manual de servicio de minicomponente panasonic sa ak280
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
PSG0903007CE
CD Stereo System
Model No. SA-AK280EBSA-AK280EGSA-AK280EP
Product Color: (K)...Black Type
TABLE OF CONTENTSPAGE PAGE
1 Safety Precautions----------------------------------------------- 31.1. GENERAL GUIDELINES-------------------------------- 31.2. Before Repair and Adjustment ------------------------- 31.3. Protection Circuitry ---------------------------------------- 31.4. Safety Parts Information --------------------------------- 41.5. Caution for AC Cord (For EB only)-------------------- 5
2.1. Prevention of Electrostatic Discharge (ESD)to Electrostatic Sensitive (ES) Devices---------------6
2.2. Precaution of Laser Diode -------------------------------72.3. Service caution based on Legal restrictions --------82.4. Handling Precautions for Traverse Unit --------------9
3 Service Navigation --------------------------------------------- 113.1. Service Information-------------------------------------- 11
Notes: This model’s CD mechanism unit is CR14C. Please refer to the original service manual (Order No. MD0805031CE) for this mechanism
4 Specifications ---------------------------------------------------- 125 Location of Controls and Components------------------ 13
5.1. Main Unit Key Button Operation---------------------- 135.2. Remote Control Key Button Operation ------------- 14
6 Self-Diagnosis and Special Mode Setting -------------- 156.1. Doctor Mode Summary Table ------------------------- 156.2. Service Mode Summary Table------------------------ 156.3. Doctor Mode Table--------------------------------------- 166.4. Service Mode Table for CD Mechanism Unit
(CR14C) ---------------------------------------------------- 186.5. Reliability Test Mode (CD Mechanism Unit
8 Service Fixture & Tools --------------------------------------- 318.1. Service Tools and Equipment ------------------------- 31
9 Disassembly and Assembly Instructions --------------- 329.1. Disassembly Flow Chart-------------------------------- 349.2. Main Components and P.C.B. Locations ----------- 359.3. Disassembly of Top Cabinet--------------------------- 369.4. Disassembly of CD Mechanism Unit (CR14C) --- 369.5. Disassembly of Rear Panel---------------------------- 389.6. Disassembly of Front Panel Assembly ------------- 389.7. Disassembly of Panel P.C.B. -------------------------- 409.8. Disassembly of Dynamic Bass Knob &
Dynamic Bass Button Unit ----------------------------- 419.9. Disassembly of CD Lid---------------------------------- 42
9.10. Disassembly of Deck Mechanism unit -------------- 439.11. Disassembly of Deck P.C.B.--------------------------- 439.12. Disassembly of Deck Mechanism P.C.B.----------- 449.13. Disassembly of Deck Mechanism-------------------- 469.14. Disassembly of Cassette Lid -------------------------- 549.15. Disassembly of CD Servo P.C.B --------------------- 549.16. Rectification for Tape Jam Problem ----------------- 559.17. Disassembly of D-Amp P.C.B. ------------------------ 569.18. Replacement of Audio Digital Power Amp IC
(IC5000) ---------------------------------------------------- 579.19. Disassembly of Main P.C.B. --------------------------- 589.20. Disassembly of SMPS P.C.B. ------------------------- 599.21. Replacement of Switching Regulator IC
(IC5701) ---------------------------------------------------- 599.22. Replacement of Rectifier Diode (D5702)----------- 619.23. Replacement of Regulator Diode (D5801)--------- 629.24. Replacement of Regulator Diode (D5802)--------- 629.25. Replacement of Regulator Diode (D5803)--------- 639.26. Disassembly of AC Inlet P.C.B. ----------------------- 649.27. Disassembly of USB P.C.B. --------------------------- 659.28. Disassembly of MPort/Headphone P.C.B. --------- 669.29. Assembling and Disassembling of Traverse
Unit Assembly--------------------------------------------- 6610 Service Position ------------------------------------------------- 68
10.1. Checking and Repairing of Main P.C.B. ------------ 6810.2. Checking and Repairing of Panel P.C.B., Deck
P.C.B., USB P.C.B. & MPort/HeadphoneP.C.B.-------------------------------------------------------- 68
10.3. Checking and Repairing of D-Amp P.C.B. --------- 6910.4. Checking and Repairing of SMPS and AC
Inlet P.C.B. ------------------------------------------------- 6911 Procedure for Checking Operation of Individual
Parts of Deck Mechanism Unit ----------------------------- 70
11.1. Operation Check with Cassette Tape--------------- 7011.2. Operation Check without Cassette Tape ---------- 70
19.1. CD SERVO, MPORT/HEADPHONE & DeckP.C.B. -----------------------------------------------------105
19.2. Main P.C.B.-----------------------------------------------10619.3. Panel P.C.B.----------------------------------------------10719.4. Deck Mechanism, USB & AC Inlet P.C.B. --------10819.5. D-Amp P.C.B. --------------------------------------------10919.6. SMPS P.C.B.--------------------------------------------- 110
20 Terminal Function of ICs ------------------------------------ 11120.1. IC2801 (RFKWMAK280PN): IC
Microprocessor------------------------------------------ 11120.2. IC6901(C0HBB0000057): IC FL Driver ----------- 111
21 Exploded View and Replacement Parts List---------- 11321.1. Exploded View and Mechanical replacement
Part List --------------------------------------------------- 11321.2. Electrical Replacement Part List -------------------- 119
2
1 Safety Precautions1.1. GENERAL GUIDELINES
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated ordamaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properlyinstalled.
3. After servicing, carry out the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.1.1. LEAKAGE CURRENT COLD CHECK1. Unplug the AC cord and connect a jumper between the two prongs on the plug.2. Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each exposed metallic cabinet part on
the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to thechassis, the reading should be between 1MΩ and 5.2MΩ.When the exposed metal does not have a return path to the chassis, the reading must be
1.1.2. LEAKAGE CURRENT HOT CHECK1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.2. Connect a 1.5kΩ, 10 watts resistor, in parallel with a 0.15µF capacitors, between each exposed metallic part on the set and a
good earth ground such as a water pipe, as shown in Figure 1.3. Use an AC voltmeter, with 1000 ohms/volt or more sensitivity, to measure the potential across the resistor.4. Check each exposed metallic part, and measure the voltage at each point.5. Reverse the AC plug in the AC outlet and repeat each of the above measurements.6. The potential at any point should not exceed 0.75 volts RMS. A leakage current tester (Simpson Model 229 or equivalent)
may be used to make the hot checks, leakage current must not exceed 1/2 milliamp. In case a measurement is outside of thelimits specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it isreturned to the customer.
Figure 1
1.2. Before Repair and AdjustmentDisconnect AC power to discharge unit AC Capacitors as such (C5700, C5701, C5703, C5704, C5705, C5706, C5707) through a10 Ω, 10 W resistor to ground.Caution:
DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.After repairs are completed, restore power gradually using a variac, to avoid overcurrent.Current consumption at AC 220V~240 V, 50 Hz in NO SIGNAL mode volume minimal should be ~ 500 mA.
1.3. Protection CircuitryThe protection circuitry may have operated if either of the following conditions are noticed:
• No sound is heard when the power is turned on.• Sound stops during a performance.
The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.If this occurs, follow the procedure outlines below:
1. Turn off the power.2. Determine the cause of the problem and correct it.3. Turn on the power once again after one minute.
3
Note:When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.
1.4. Safety Parts InformationSafety Parts List:
There are special components used in this equipment which are important for safety.
These parts are marked by in the Schematic Diagrams & Replacement Parts List. It is essential that these critical partsshould be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original designwithout permission of manufacturer.
Safety Ref. No. Part No. Part Name & Description Remarks
11 REXX0684-1 BLACK WIRE (AC-SMPS)
12 REXX0685-1 RED WIRE (AC-SMPS)
22 RGRX0070V-B1 REAR PANEL EG/EP
22 RGRX0070V-C1 REAR PANEL EB
42 RKMX0144A-K TOP CABINET
340 RAEX0190A-V TRAVERSE ASS'Y (RTL)
A2 K2CQ2CA00007 AC CORD EG/EP
A2 K2CZ3YY00005 AC CORD EB
A3 RQTX0199-E O/I BOOK (En/Po/Cz) EP
A3 RQTX0200-D O/I BOOK (Ge/It/Fr/Sp) EG
A3 RQTX0201-H O/I BOOK (Du/Da/Sw) EG
A3 RQTX0202-B O/I BOOK (En) EB
PCB1 REPX0714D SMPS P.C.B (RTL)
PCB10 REPX0714D AC INLET P.C.B (RTL)
DZ5701 ERZV10V511CS ZNR
L5701 ELF15N035AN LINE FILTER
L5703 ELF22V020A LINE FILTER
T2900 G4D1A0000117 SWITCHING TRANSFORMER
T5701 ETS42BN1A6AD SWITCHING TRANSFORMER
T5751 ETS19AB256AG SWITCHING TRANSFORMER
PC5701 B3PBA0000402 PHOTO COUPLER
PC5702 B3PBA0000402 PHOTO COUPLER
PC5720 B3PBA0000402 PHOTO COUPLER
PC5799 B3PBA0000402 PHOTO COUPLER
F1 K5D502BNA005 FUSE
FP2901 K5G4013A0001 FUSE PROTECTOR
TH5001 D4CC11040013 THERMISTOR
TH5701 D4CAC8R00002 THERMISTOR
TH5860 D4CC11040013 THERMISTOR
P5701 K2AA2B000017 AC INLET
C5700 F1BAF1020020 1000pF
C5701 F0CAF334A087 0.33uF
C5703 F0C2H1040001 0.1uF 500V
C5704 F1BAF1020020 1000pF
C5705 F1BAF1020020 1000pF
C5706 F1BAF1020020 1000pF
C5707 F1BAF1020020 1000pF
4
1.5. Caution for AC Cord (For EB only)
For your safety, please read the following text carefully.This appliance is supplied with a moulded three pin mains plug for your safety and convenience.A 5-ampere fuse is fitted in this plug.Should the fuse need to be replaced please ensure that the replacement fuse has a rating of 5-ampere and that it is approved by ASTA or BSI to BS1362.Check for the ASTA mark or the BSI mark on the body of the fuse.
If the plug contains a removable fuse cover you must ensure that it is refitted when the fuse is replaced.If you lose the fuse cover the plug must not be used until a replacement cover is obtained.A replacement fuse cover can be purchased from your local dealer.
If a new plug is to be fitted please observe the wiring code as stated below.If in any doubt please consult a qualified electrician.
IMPORTANTThe wires in this mains lead are coloured in accordance with the following code:Blue: Neutral, Brown: Live.As these colours may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Black or Blue.The wire which is coloured Brown must be connected to the terminal which is marked with the letter L or coloured Brown or Red.
WARNING: DO NOT CONNECT EITHER WIRE TO THE EARTH TERMINAL WHICH IS MARKED WITH THE LETTER E, BY THE EARTH SYMBOL OR COLOURED GREEN OR GREEN/YELLOW.
THIS PLUG IS NOT WATERPROOF KEEP DRY.
Before useRemove the connector cover.
How to replace the fuseThe location of the fuse differ according to the type of AC mains plug (figures A and B). Confirm the AC mains plug fitted and follow the instructions below.Illustrations may differ from actual AC mains plug.
1. Open the fuse cover with a screwdriver.
2. Replace the fuse and close or attach the fuse cover.
CAUTION!IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND DISPOSED OF SAFELY.THERE IS A DANGER OF SEVERE ELECTRICAL SHOCK IF THE CUT OFF PLUG IS INSERTED INTO ANY 13-AMPERE SOCKET.
Figure A Figure B
Fuse cover
Figure A Figure B
Fuse(5 ampere)
Fuse(5 ampere)
A A
5
2 Warning2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive
(ES) DevicesSome semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec-trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors andsemiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damagecaused by electrostatic discharge (ESD).
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on yourbody by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as alumi-num foil, to prevent electrostatic charge buildup or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.4. Use only an anti-static solder removal device. Some solder removal devices not classified as “anti-static (ESD protected)” can
generate electrical charge sufficient to damage ES devices.5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most
replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or compara-ble conductive material).
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective materialto the chassis or circuit assembly into which the device will be installed.Caution:
Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the
brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) suf-ficient to damage an ES device).
6
2.2. Precaution of Laser Diode
Caution:This product utilizes a laser diode with the unit turned “on”, invisible laser radiation is emitted from the pickup lens.Wavelength: 785 nm (CD)Maximum output radiation power from pickup: 100 µW/VDELaser radiation from the pickup unit is safety level, but be sure the followings: 1. Do not disassemble the pickup unit, since radiation from exposed laser diode is dangerous. 2. Do not adjust the variable resistor on the pickup unit. It was already adjusted.3. Do not look at the focus lens using optical instruments.4. Recommend not to look at pickup lens for a long time.
7
2.3. Service caution based on Legal restrictions
2.3.1. General description about Lead Free Solder (PbF)The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for thisequipment in considering the globally environmental conservation.
The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free solder is the alloy mainly consists of tin(Sn), silver (Ag) and Copper (Cu), and the melting point of the lead free solder is higher approx.30 degrees C (86°F) more than thatof the normal solder.
Definition of PCB Lead Free Solder being used
Service caution for repair work using Lead Free Solder (PbF)• The lead free solder has to be used when repairing the equipment for which the lead free solder is used.
(Definition: The letter of “PbF” is printed on the PCB using the lead free solder.)• To put lead free solder, it should be well molten and mixed with the original lead free solder.• Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC.• Since the melting point of the lead free solder is higher than that of the normal lead solder, it takes the longer time to melt the
lead free solder.• Use the soldering iron (more than 70W) equipped with the temperature control after setting the temperature at 350±30 degrees
C (662±86°F).Recommended Lead Free Solder (Service Parts Route.)
• The following 3 types of lead free solder are available through the service parts route.RFKZ03D01K-----------(0.3mm 100g Reel)RFKZ06D01K-----------(0.6mm 100g Reel)RFKZ10D01K-----------(1.0mm 100g Reel)
Note* Ingredient: tin (Sn), 96.5%, silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%
The letter of “PbF” is printed either foil side or components side on the PCB using the lead free solder. (See right figure)
8
2.4. Handling Precautions for Traverse UnitThe laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must betaken avoid caution to electrostatic breakdown when servicing and handling the laser diode in the traverse unit.
2.4.1. Cautions to Be Taken in Handling the Optical Pickup UnitThe laser diode in the optical pickup unit may be damaged due to electrostatic discharge generating from clothes or human body.Special care must be taken avoid caution to electrostatic discharge damage when servicing the laser diode.
1. Do not give a considerable shock to the optical pickup unit as it has an extremely high-precise structure.2. To prevent the laser diode from the electrostatic discharge damage, the flexible cable of the optical pickup unit removed
should be short-circuited with a short pin or a clip.3. The flexible cable may be cut off if an excessive force is applied to it. Use caution when handling the flexible cable.4. The antistatic FPC is connected to the new optical pickup unit. After replacing the optical pickup unit and connecting the flexi-
ble cable, cut off the antistatic FPC.
Figure 1
2.4.2. Grounding for electrostatic breakdown preventionSome devices such as the DVD player use the optical pickup (laser diode) and the optical pickup will be damaged by static electric-ity in the working environment. Proceed servicing works under the working environment where grounding works is completed.
2.4.2.1. Worktable grounding1. Put a conductive material (sheet) or iron sheet on the area where the optical pickup is placed, and ground the sheet.
9
2.4.2.2. Human body grounding1. Use the anti-static wrist strap to discharge the static electricity form your body.
Figure 2
10
3 Service Navigation3.1. Service InformationThis service manual contains technical information which will allow service personnel’s to understand and service this model.Please place orders using the parts list and not the drawing reference numbers.
If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original servicemanual.
• CD Mechanism unit (CR14C):
1) This model uses CD mechanism unit (CR14C).
2) This service manual does not contain the following information on CR14C - Schematic Diagram, Block Diagram and P.C.B. layout of CR14C P.C.B. - Parts List for individual parts of CD mechanism unit (CR14C). - Exploded View and Part List for individual parts of CD mechanism unit (CR14C). Please refer to original service manual (Order No. MD0805031CE)
• Micro-processor & EEPROM IC:
1) The following components are supplied as an assembled part. - Micro-processor IC, IC2801 (RFKWMAK280PN). - EEPROM IC, IC2951 (RFKWEAK280PN).
• Speaker system:
1) The information, please refer to Original Service Manual, SB-AK280PN-K (Order No. PSG0902012CE).
11
4 Specifications
Main unit SA-AK280EB/EG/EP-KAMPLIFIER SECTION
RMS Output Power Stereo ModeFront CH (both channels driven):
125 W per channel (3 Ω), 1 kHz, 10% THDTotal RMS stereo mode power:
250 WFM/AM TUNER, TERMINALS SECTION
Preset station: FM 30 stations AM 15 stationsFrequency Modulation (FM)
Record/playback Solid permalloy headErasure Double gap ferrite headMotor DC servo motorRecording system AC bias 100 kHzErase system AC erase 100 kHzTape speed 4.8 cm/s
Overall frequency response (+3, -6 dB) at DECK OUTNORMAL 35 Hz to 14 kHzS/N Ratio 50 dB (A weighted)Wow and flutter 0.18% (WRMS)Fasr forward and rewind time Approx. 120 second with C-60
cassette tapeDISC SECTION
Discs played [8 cm or 12 cm]:(1) CD-Audio (CD-DA)(2) CD-R/RW (CD-DA, MP3* formatted disc)(3) MP3** MPEG-1 layer 3, MPEG-2 Layer 3Pick up
Wavelength: 785 nmAudio output (Disc)
Number of channels 2 (FL, FR)USB SECTION
USB PortUSB standard: USB 2.0 full speedMedia file format support: MP3 (*.mp3)USB device file system: FAT12, FAT16, FAT32USB Port power: Max. 500 mA
GENERALPower Supply AC 220 to 240 V, 50 HzPower Consumption 65 WDimensions (WxHxD) 250 x 333 x 310 mmMass 4.5 kgOperating temperature range 0 to 40 °COperating humidity range 35 to 80% RH
(no condensation)
Power Consumption in standby mode:
0.4 W (approx.)
SYSTEM SC-AK280EB-K Music center: SA-AK280EB-K Speaker: SB-AK280PN-K SC-AK280EG-K Music center: SA-AK280EG-K Speaker: SB-AK280PN-K SC-AK280EP-K Music center: SA-AK280EP-K Speaker: SB-AK280PN-KNote:
1. Specifications are subject to change without notice.Mass and dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum analyzer.
Solder:This model uses lead free solder (PbF).
12
5 Location of Controls and Components5.1. Main Unit Key Button Operation
Reduce the volume level and connect the headphones. Headphones plug type : 3.5 mm stereo (not included).
Avoid listening for prolonged periods of time toprevent hearing damage.
Excessive sound pressure from earphones and headphones can cause hearing loss.
Headphone jack
Press to switch the unit from on to standby mode or vice versa.In standby mode, the unit is still consuming a small amount ofpower.
Tape recording function
USB play or pause
Cassette deck open
Standby/on switch ( /l, POWER)
[ REC, TAPE]
[
Skip, rewind, fast forward, Tape Program Sensor (TPS), sound quality adjustment, time adjustment
[] / [
USB port
Tape play
[MUSIC P./AUX]
[MANUAL EQ] selection
[
[
USB,
[ , OPEN]
[ , OPEN/CLOSE]
Disc tray open or close
[ , EXCHANGE]
Multiple discs change
Disc play and pause
Disc direct play
Tuner (FM/AM) Selection
Increase or decrease the pitch[BASS CONTROL]
This feature reproduce the frequencies lost during recording to give you a sound closer to original.
[RE-MASTER]
Skip and play your desired track[Track]
[
[
CD,
Stop playback, demonstration function
Cassette holder
Display Panel
Disc Ttrays
Remote control signal sensor
Volume control
Music port jack
13
5.2. Remote Control Key Button Operation
Press to switch the unit from on to standby mode or vice versa.In standby mode, the unit is still consuming a small amount ofpower.
Standby/on switch ( /l, POWER)
USB play or pause
Select and play the other loaded discs.
Numberic selection
Delete function
Program function
AUX selection
Skip, rewind, fast forward, Tape Program Sensor (TPS), sound quality adjustment, time adjustment
RE-MASTER selection
Manual EQ selection
D.BASS selection
Album selection
Display function
Music Port selection
Tape play
Disc play and pause
Tape recording function
Clock or timer setting
Play timer or record timer setting
Sleep timer
Auto off
Muting function
Stop playback, demonstration function
Play mode function
Preset EQ selection
Repeat function
Dimmer function
Tune mode
Tuner (FM/AM) Selection
14
6 Self-Diagnosis and Special Mode SettingThis unit is equipped with features od self-diagnosis & special mode setting for checking the function & reliability.Special Note: Checking of the reliability (ageing) & changer operation must be carry out to ensure good working condition in unit.
6.1. Doctor Mode Summary Table
6.2. Service Mode Summary Table
6.2.1. Service Mode Summary Table for CD Mechanism Unit (CR14C)
Main unit buttons Remote control unit buttons Application Note
[ ] [4], [7] Enter into doctor mode. (Refer to the section “6.3.1. Doctor Mode Table 1” for more information.)
Doctor Mode Main unit [ ]or
[IDDF] (special Remocon)
Display firmware version and EEPROM check-sum
(Refer to the section “6.3.2. Doctor Mode Table 2” for more information.)
[4] Cold Start when reset start is executed the time
In Doctor mode:1. Press [4] button on remote control.
In Doctor mode:1. Press [MUTE] button on remote control.
In Doctor mode:1. Press [3] button on remote control.
In Doctor mode:1. Press [7],[8],[9],[>10] button on remote control.
To exist, press [ok] button onremote control or press [ /I, POWER] button on mainunit or remote control.
To exist, press [ok] button onremote control or press [ /I, POWER] button on mainunit or remote control.
To exist, press [ok] button onremote control.
In Doctor mode:1. Press [2] button on remote control.
In Doctor mode:1. Press [0] button on remote control.
In Doctor mode:1. Press [DISC] button on remote control.
Volume
FL Display and all LED shall be all OFF.When the keys of the main set are pressed,the various corresponding gridsand segments of the FL display shall light up in any sequence.When all the keys are pressed and detected, all segment and LED will ON.
To exist, press any key
17
6.4. Service Mode Table for CD Mechanism Unit (CR14C)
6.4.1. Service Mode Table 1
In self-diagnostic mode, press [1] button on main unit.
To exit, power off the main unit
Press [EXCHANGE] on main unitfor error code.
FL DisplayKey Operation
Front Key
Item
DescriptionMode Name
In DVD/CD mode (ensure no disc is inserted):Press and hold [STOP] button for five seconds, followed by [ /FF/ ] button on the main unit.
To exit, press [ , AC IN] button on main unit or remote control unit.
To enter into self-diagnostic checking for CR14 mechanism.
Self-DiagnosticMode
To unlock the mechanism unit for service.
In this mode, the disassembly of CR14can be carry out. (Refer to original service manual for CR14)
1. All trays are set to "STOCK" position.2. Mechanism set to tray 1.3. Cam gear set to "HOME" position.
Service Mode 1
In self-diagnostic mode, press [2] button on main unit.
To exit, power off the main unit
Press [EXCHANGE] on main unitfor error code.
To unlock the traverse unit for service.
In this mode, traverse unit can bedisassembled. (Refer to original service manual for CR14)
1. Tray 5 set to "Play" position.2. Mechanism set to tray 5.3. Cam gear set to "HOME" position.
Service Mode 2
/l
(Refer to section 8.6.1. for information)
18
6.4.2. Service Mode Table 2
FL DisplayKey Operation
Front Key
Item
DescriptionMode Name
The counter willincrement by one.When reach 99999will change to 00000
In this mode, the trays are loaded & unloaded.
In self-diagnostic mode, press [1] button on remote control.
To exit, press [ ] button on the main unit or remote control unit.
Reliability1
(Load cycle Test)
To determine open/close operation of themechanism (all trays).
In self-diagnostic mode, press [2] button on remote control.
To exit, press [ ] button on the main unit or remote control unit.
Reliability2
(Traverse CycleTest)
To determine playability operation.
In self-diagnostic mode, press [3] button on remote control.
To exit, press [ ] button on the main unit or remote control unit.
Reliability3
(Combi CycleTest)
The combine test for both load &traverse cycle test.
/l
/l
/l
Display 1
Display 2
The counter willincrement by one.When reach 99999will change to 00000
Display 1
Display 2
The counter willincrement by one.When reach 99999will change to 00000
Display 1
Display 2
19
6.5. Reliability Test Mode (CD Mechanism Unit CR14C)Below is the progress flow chart of ageing for the Mechanism unit (CR14C).
Fig. 1
Fig. 2
20
Fig. 3
Fig. 4
21
Fig. 5
22
6.6. Error Code Table DisplaySelf-Diagnosis Function (refer Section “6.” Service Mode Table 1”) provides information on any problems occurring for the unit andits respective components by displaying the error codes. These error code such as U**, H** and F** are stored in memory and heldunless it is cleared.The error code is automatically display after entering into self-diagnostic mode.
Normal operation duringmecha transition, MODESW abnormal ismemorized. The content ofabnormality can beconfirmed in the abnormaldetection mode explainedin the later section.
For deck mechanism unit.Press [ ] on main unit fornext error.
H02 Rec INH SWabnormal
The content of abnormalitycan be confirmed in theabnormal detection modeexplained in the latersection.
For deck mechanism unit.Press [ ] on main unit fornext error.
H03 HALF SW abnormal For deck mechanism unit.Press [ ] on main unit fornext error.
F01 Reel pulse abnormal For deck mechanism unit.Press [ ] on main unit fornext error.
F02 TPS abnormal For deck mechanism unit.Press [ ] on main unit fornext error.
The mode change tohorizontal operation cannotcomplete when time outreversing --> operatesagain then time out again, itis memorized. Modechange to horizontal.
For CD Mechanism unit (CR14C).Press [EXCHANGE] on main unit fornext error.
INITIALIZE Initialize operationfaulty
The initialize operationcannot complete, it ismemorized.
For CD Mechanism unit (CR14C).Press [EXCHANGE] on main unit fornext error.
- Overcurrent detection USB Device driver functionwas interrupted.USB not properly connected.
DEVICE_ERROR Display will maintain until system is RESET either by Power OFF ON or by changing selector to other thanUSB mode and back to USB.
25
7 Troubleshooting Guide7.1. Troubleshooting Guide for F61 and/or F76This section illustrates the checking procedures when upon detecting the error of “F61” and/or “F76” after power up of the unit. It isfor purpose of troubleshooting and checking in SMPS, D-Amp & Main P.C.B.
Touch-up the solder crack area/ Change the defective parts.
· Q5860,Q5861,Q5862,TH5860 (Temperature Detect)
· QR5801 & QR5802 ( 30V Detect)
· Touch-up the necessary areas
· IC5801, D5806, PC5720, D5725
SMPSP.C.B.
Refer to Fig. 1
First Power ON Display immediate show "F61".
Check Speaker output by using multi-meter,· If there is a DC Voltage around
30V· Check Output IC (Pin 10 &
14) which have DC Voltage at Speaker output short to Vdd/Vss
· If shorted that means D-Amp damage already.
Change the defective parts.
D-AMP IC: IC5000P/N = C1BA00000487
For ConfigurationRefer to Table 1
D-AMP P.C.B.
Refer to Fig. 2
Power ON for a while then only trigger "F61". (Symptom always happen)
Check the soldering of the SMPS P.C.B. · Is there any solder crack at area
(Q5860,Q5861, Q5862,TH5860, QR5801)
· Check all the supply line 30V
Touch-up the solder crack area/ Change the defective parts.
· Q5860,Q5861,Q5862,TH5860 (Temperature Detect)
· QR5801 & QR5802 ( 30V Detect)
Feedback Circuit: IC5801, PC5720, D5725
SMPSP.C.B.
Refer to Fig. 1
Power ON for a while and then trigger "F76"
Check all supply voltages as follows:Step 1: Check for supply voltages from SMPS P.C.B to Main P.C.B at pin 2,5,6,7,8,9 of CN5802.If there are supply voltages,proceed to Step 2.If no voltages detected, check wire connection and circuitry connection from SMPS P.C.B.
Step 2: Check if there is supply voltages for Vp, FL1 & FL2CN2806
· If tere is supply voltages of-13V, +7.5V (CR14), +12V(Motor), +6V (SYS6V), +9V& +18V at CN5802
9 Disassembly and Assembly Instructions“ATTENTION SERVICER”Be careful when disassembling and servicing.Some chassis components may have sharp edges. Special Note:
1. This section describes the disassembly procedures for all the major printed circuit boards and main components. 2. Before the disassembly process was carried out, do take special note that all safety precautions are to be carried
out. (Ensure that no AC power supply is connected during disassembling.)
3. For assembly after operation checks or replacement, reverse the respective procedures.Special reassembly procedures are described only when required.
4. Do take note of the locators on each printed circuit board during reassembling procedures.5. The Switch Regulator IC may have high temperature after prolonged use. 6. Use caution when removing the top cabinet and avoid touching heat sinks located in the unit.
7. Select items from the following index when checks or replacement are required.• Disassembly of Top Cabinet• Disassembly of Rear Panel• Disassembly of CD Mechanism Unit (CR14C)• Disassembly of Rear Panel• Disassembly of Front Panel Assembly• Disassembly of Panel P.C.B.• Disassembly of D-Bass Knob D-Bass Button Unit• Disassembly of CD Lid• Disassembly of Deck Mechanism Unit• Disassembly of Deck P.C.B.• Disassembly of Deck Mechanism P.C.B.• Disassembly of Deck Mechanism• Disassembly of Cassette Lid• Rectification for Tape Jam Problem• Disassembly of D-Amp P.C.B.• Replacement of Audio Digital Power Amp IC (IC5000)• Disassembly of Main P.C.B.• Disassembly of SMPS P.C.B.• Replacement of Switching Regulator IC (IC5701)• Replacement of Rectifier Diode (D5702)• Replacement of Regulator Diode (D5801)• Replacement of Regulator Diode (D5802)• Replacement of Regulator Diode (D5803)• Disassembly of AC Inlet P.C.B.• Disassembly of USB P.C.B.• Disassembly of MPort/Headphone P.C.B.• Assembling and Disassembling of Traverse Unit Assembly
32
33
9.1. Disassembly Flow Chart
9.3. Top Cabinet
9.26. AC Inlet P.C.B.
9.6. Front Panel Assembly
9.10. Deck MechanismUnit
9.9.CD Lid
9.7. Panel P.C.B.
9.8. Dynamic Bass Knob & Dynamic Bass Button Unit
9.4. CD Mechanism Unit(CR14C)
9.5. Rear Panel 9.30.Traverse Unit
9.16.Rectification forTape Jam Problem
9.17.D-Amp P.C.B.
9.19. Main P.C.B.
9.20. SMPS P.C.B.
9.21.Switching RegulatorIC (IC5701)
9.22. Rectifier Diode (D5702)
9.23. Regulator Diode(D5801)
9.24. Regulator Diode(D5802)
9.11. Deck P.C.B.
9.12. Deck MechanismP.C.B.
9.13. Deck Mechanism
9.15. CD Servo P.C.B.
9.27. USB P.C.B.
9.28. MPort/HeadphoneP.C.B.
9.25. Regulator Diode (D5803)
9.18. Audio Digital Power Amp IC (IC5000)
9.14. Cassette Lid
34
9.2. Main Components and P.C.B. Locations
35
9.3. Disassembly of Top Cabinet
Step 1 Remove 3 screws on each side of main unit.
Step 2 Remove 5 screws.
Step 3 Lift the sides of top cabinet outwards as arrow shown.
Step 4 Push the top cabinet backwards as arrow shown torelease the catches.
Step 5 Remove the top cabinet.
9.4. Disassembly of CD Mecha-nism Unit (CR14C)
• Follow (Step 1) to (Step 5) of Item 9.3
36
Step 1 Remove 1 screw at the rear panel.
Step 2 Detach 22P FFC at the connector (CN2801) on MainP.C.B.Step 3 Detach 11P FFC at the connector (CN2805) on MainP.C.B.
Step 4 Release the claw outwards on both sides.
Step 5 Release CD mechanism unit (CR14C) from the catches& locators.Step 6 Lift up the CD Mechanism Unit (CR14C) in the directionof arrow to remove CD Mechanism Unit (CR14C).
• Disassembly of Mecha Chassis
37
Step 7 Remove 2 screws.Step 8 Remove the Mecha Chassis as arrow shown.
9.5. Disassembly of Rear Panel• Follow the (Step 1) to (Step 5) of Item 9.3
Step 1 Remove 9 screws at Rear Panel.Step 2 Release 2 catches from the each side of the RearPanel.
Step 3 Slightly lift up the CD Mechanism Unit (CR14C) torelease from the two locators.Step 4 Remove Rear Panel in the direction of arrow.
9.6. Disassembly of Front PanelAssembly
• Follow the (Step 1) to (Step 5) of Item 9.3
38
Step 1 Detach 22P FFC at the connector (CN3200) on MainP.C.B.Step 2 Detach 27P FFC at the connector (CN2806) on MainP.C.B.Step 3 Detach 8P FFC at the connector (CN2012) on MainP.C.B.
Step 4 Detach 12P FFC at the connector (CN2011) on MainP.C.B.Step 5 Detach 8P FFC at the connector (CN2807) on MainP.C.B.Step 6 Detach 2P FFC at the connector (CN2001) on MainP.C.B.
Step 7 Release the claws on both sides. Step 8 Release catches at both side. Caution: During assembling procedure, ensure both the claws and catches are fully catched.
Step 9 Release the tabs at the bottom.
39
Caution: Do not exert strong force when releasing the tabs.
Step 10 Remove the Front Panel Assembly in the direction ofarrow.
9.7. Disassembly of Panel P.C.B.• Follow the (Step 1) to (Step 5) of Item 9.3• Follow the (Step 1) to (Step 8) of Item 9.6
Step 1 Remove Volume Knob as arrow shown.Step 2 Remove Track Knob as arrow shown.
Step 3 Remove 8 screws on Panel P.C.B.Step 4 Remove 1 screw on Support P.C.B.
Caution: During assembling of Dynamic Bass P.C.B., ensure that the diodes on Panel P.C.B. are in upright posi-tion.
9.8. Disassembly of Dynamic BassKnob & Dynamic Bass ButtonUnit
• Follow the (Step 1) to (Step 5) of Item 9.3• Follow the (Step 1) to (Step 8) of Item 9.6• Follow the (Step 1) to (Step 6) of Item 9.7
9.8.1. Disassembly of Dynamic BassKnob
Step 1 Release 4 catches on solder side of Panel P.C.B.
Step 2 Remove the Dynamic Bass Knob Assembly.
Step 3 Release 3 catches at the Dynamic Bass Knob.Step 4 Remove the Dynamic Bass Knob.
41
Caution 1: Do not misplace the Volume Gear.Caution 2: Volume gear to align to Volume Knob & engage to Dynamic Bass Knob during assembly.
9.8.2. Disassembly of Dynamic Bass But-ton Unit
Step 1 Release 4 catches at Dynamic Bass Button Assembly.
Step 2 Release 2 catches at Dynamic Bass Button Unit.
Step 3 Remove Dynamic Bass Button Unit.
9.9. Disassembly of CD Lid• Follow the (Step 1) to (Step 5) of Item 9.3• Follow the (Step 1) to (Step 10) of Item 9.6
Step 1 Remove the spring as arrow shown in order ofsequences (1) to (3).
42
Caution: During assembling, please ensure that the spring is assembly at right position.
Step 2 Remove CD Lid as arrow shown.
9.10. Disassembly of Deck Mecha-nism unit
• Follow the (Step 1) to (Step 5) of Item 9.3• Follow the (Step 1) to (Step 10) of Item 9.6
Step 1 Remove 4 screws at Deck Mechanism unit.
Step 2 Push the level upward as arrow shown to open thecasette lid.
Step 3 Remove the Deck Mechanism unit as arrow shown.
9.11. Disassembly of Deck P.C.B.• Follow the (Step 1) to (Step 5) of Item 9.3• Follow the (Step 1) to (Step 10) of Item 9.6• Follow the (Step 1) to (Step 3) of Item 9.10
43
Step 1 Remove 2 screws.
Step 2 Remove the shield plate as arrow shown.
Step 3 Desolder 2P wire at the Capstan Motor Ass’y.
Step 4 Detach the Head Connector Cable at the connector(CP1301) to remove the Deck P.C.B. as arrow shown.
9.12. Disassembly of Deck Mecha-nism P.C.B.
• Follow the (Step 1) to (Step 5) of Item 9.3• Follow the (Step 1) to (Step 10) of Item 9.6• Follow the (Step 1) to (Step 3) of Item 9.10
44
Step 1 Desolder the plunger terminals.
Step 2 Remove 1 screw.
Step 3 Release 4 catches.
Step 4 Remove Deck Mechanism P.C.B.
45
Caution : During assembling, ensure that the Deck Mecha-nism P.C.B. is seated properly with the guide of the loca-tors.
9.13. Disassembly of Deck Mecha-nism
9.13.1. Disassembly of Pinch Roller ‘F’Ass’y and Head Block Sub Ass’y
• Follow the (Step 1) to (Step 5) of Item 9.3• Follow the (Step 1) to (Step 10) of Item 9.6• Follow the (Step 1) to (Step 3) of Item 9.10
Step 1 Release catch to remove Pinch Roller ‘F’ Ass’y as arrowshown.
46
Step 2 Release 2 catches at the sides of the Head Connectoras arrows shown.Step 3 Remove the Head Connector as arrow shown..
Caution: Avoid exerting strong force as it may damage the FPC.
Step 4 Remove 1 screw.
Step 5 Remove 1 screw.
47
Step 6 Remove Head Block Sub Ass’y as arrow shown.Caution: During assembling, ensure that the FPC is placed into the slot of the Head Block Sub Ass’y.
9.13.2. Replacement of Capstan MotorAss’y and Capstan Belt ‘A’
• Follow the (Step 1) to (Step 4) of item 9.11.• Follow the (Step 2) to (Step 3) of item 9.13.1.
- Disassembly of Capstan Motor Ass’y and Capstan Belt ‘A’
Step 1 Remove 3 screws.
48
Step 2 Lift up to remove the Sub-Chassis Ass’y as arrowshown.
Step 3 Remove 2 screws to remove Capstan Motor Ass’y.Caution: Support Capstan Motor Ass’y by hand to prevent it from falling during removal and assembly of Capstan Motor Ass’y.
Step 4 Remove Capstan Belt ‘A’.
- Assembly of Capstan Motor Ass’y and Capstan Belt ‘A’
Step 1 Coil Capstan Belt ‘A’ to Flywheel ‘F’ Ass’y and the 2
49
bosses temporarily as diagram shown.Caution: Keep Capstan Belt ‘A’ away from grease during assembly of Capstan Belt ‘A’.
Step 2 Fix the Capstan Motor Ass’y to the Sub-Chassis Ass’y.Step 3 Fit the Capstan Motor Ass’y to the Sub-Chassis Ass’yby fixing 2 screws.
Step 4 Install the Sub-Chassis Ass’y to the Deck MechanismUnit.
Caution: Ensure the Sub-Chassis Ass’y seats properly on the bosses.Step 5 Fix 3 screws.
Step 6 Release Capstan Belt ‘A’ to the pulley of Capstan MotorAss’y as diagram shown.
9.13.3. Replacement of Winding Belt• Follow the (Step 1) to (Step 4) of item 9.11.• Follow the (Step 2) to (Step 3) of item 9.13.1.• Follow the (Step 1) to (Step 4) of item 9.13.2.
- Disassembly of Winding Belt
Step 1 Release 2 catches and press the tip of the WindingLever downwards.
50
Caution: Avoid pushing too much. This is to prevent the parts from falling out from the Deck Mechanism (Gear side).
Step 2 Remove the Winding Lever.Step 3 Remove the Thrust Spring.Step 4 Remove the Winding Arm Ass’y.Step 5 Remove the Flywheel ‘F’ Ass’y.Step 6 Remove the Winding Belt.Caution: Keep Thrust Spring in a safe place for assembling purpose.
- Assembly of Winding Belt
Step 1 Install the Winding Arm Ass’y.
Step 2 Coil the Winding Belt to the Winding Arm Ass’y and the2 bosses temporarily as diagram shown.
51
Step 3 Install Flywheel ‘F’ Ass’y.
Caution: Ensure that the boss and the marking hole of the Main Gear are positioned such that they form a horizontal line parallel to the Deck Mechanism Unit.
Step 4 Install the Thrust Spring.Step 5 Install the Winding Lever.
Caution 1: Ensure that the Winding Arm Ass’y is pulled towards to the right as arrow shown to enable full insertion of the Winding Lever. The Winding Lever must be seated on the Main Gear as diagram shown.
52
Caution 2: Ensure that the Winding Lever is firmly inserted and properly catched on the tape side as diagram shown.
Caution 3: Ensure that the Winding Belt is above the Wind-ing Lever as diagram shown.
Step 6 Release the Winding Belt on Flywheel ‘F’ Ass’y as dia-gram shown.
9.13.4. Disassembly of Main Gear• Follow the (Step 1) to (Step 4) of item 9.11.• Follow the (Step 2) to (Step 3) of item 9.13.1.• Follow the (Step 1) to (Step 4) of item 9.13.2.• Follow the (Step 1) to (Step 6) of item 9.13.3.
53
Step 1 Remove Main Gear using tweezers.
Caution: Ensure that the boss and the marking hole of the Main Gear are positioned such that they form a horizontal line parallel to the Deck Mechanism during assembly of the Main Gear.
9.14. Disassembly of Cassette Lid• Follow (Step 1) to (Step 5) of Item 9.3• Follow (Step 1) to (Step 10) of Item 9.6• Follow (Step 1) to (Step 3) of Item 9.9
Step 1 Remove the spring.Step 2 Push the Cassette Lid in the direction of arrow.
9.15. Disassembly of CD Servo P.C.B• Follow (Step 1) to (Step 5) of Item 9.3• Follow (Step 1) to (Step 8) of Item 9.4
Step 1 Turn the CD Mechanism Unit (CR14C).
54
Step 2 Desolder 4 solder points.
Step 3 Remove 3 screws.
Step 4 Flip over the CD Servo P.C.B.Step 5 Detach the 16P FFC at connector (CN7001) at CDServo P.C.B.Step 6 Remove CD Servo P.C.B.
9.16. Rectification for Tape JamProblem
• Follow (Step 1) to (Step 5) of Item 9.3
Step 1 Rotate the flywheel F in the direction of the arrow toremove it.
Step 2 Push the lever upward and open the cassette lid.Note: Follow Disassembly of Cassette lid to remove the cas-sette tape.
55
9.17. Disassembly of D-Amp P.C.B.• Follow (Step 1) to (Step 5) of Item 9.3• Follow (Step 1) to (Step 6) of Item 9.4
Step 1 Remove 4 screws at the Rear Panel.
Step 2 Detach 17P FFC cable at the connector (CN5050) on D-Amp P.C.B.Step 3 Detach 8P cable at the connector (CN5500) on D-AmpP.C.B.
Step 4 Remove 2 screws at D-Amp P.C.B. chassis support.
Step 5 Lift up the D-Amp P.C.B. together with Inner Chassisassembly as arrow shown.
56
Step 6 Place the D-Amp P.C.B on support block.Step 7 Remove 3 screws.
Step 8 Lift up to remove D-Amp P.C.B. as arrow shown.
Caution: During assembling, ensure the D-Amp P.C.B. is
seated properly on the locator of the Inner Chassis.
9.18. Replacement of Audio DigitalPower Amp IC (IC5000)
• Follow (Step 1) to (Step 5) of Item 9.3• Follow (Step 1) to (Step 6) of Item 9.4• Follow (Step 1) to (Step 8) of Item 9.17
9.18.1. Disassembly of Audio DigitalPower Amp IC (IC5000)
Step 1 Flip over D-Amp P.C.B.Step 2 Desolder pins of the Audio Digital Power Amp IC(IC5000) on the solder side of D-Amp P.C.B.
Step 3 Remove 1 screw.Step 4 Remove TR Spring in the direction of arrow shown.Step 5 Remove Audio Digital Power Amp IC (IC5000) from theheat sink unit.
57
Caution: During replacement of the part, avoid touching the heatsink. It may lead to injuries.
9.18.2. Assembly of Audio Digital PowerAmp IC (IC5000)
Step 1 Mount & solder the Audio Digital Power Amp IC(IC5000) on the solder side of D-Amp P.C.B.Step 2 Screw back TR Spring to hold the Audio Digital PowerAmp IC (IC5000) onto the Heatsink Power Unit.Caution: Ensure the Audio Digital Power Amp IC (IC5000) is well tightened to prevent overheat.Note: Use a blower to remove the minute particles that mightcaused left on the TR Spring.
9.19. Disassembly of Main P.C.B.• Follow (Step 1) to (Step 5) of Item 9.3• Follow (Step 1) to (Step 6) of Item 9.4• Follow (Step 1) to (Step 6) of Item 9.6• Follow (Step 1) to (Step 5) of Item 9.17
Step 1 Detach 11P FFC at the connector (CN5802) on MainP.C.B.
Step 2 Remove 2 screws at the Rear Panel.
58
Step 3 Remove 2 screws on at bottom chassis.Step 4 Remove the Main P.C.B. according to the arrow shown.
9.20. Disassembly of SMPS P.C.B.• Follow (Step 1) to (Step 5) of Item 9.3• Follow (Step 1) to (Step 6) of Item 9.4• Follow (Step 1) to (Step 5) of Item 9.17
Step 1 Detach 11P cable at the connector (CN5802) on SMPSP.C.B.Step 2 Remove 4 screws.Step 3 Lift up the SMPS P.C.B. as arrow shown.
Caution: During assembling and assembly on Main P.C.B., be careful of the electrical components on Main P.C.B.
Step 4 Flip the SMPS P.C.B. and desolder the wire’s pin (Red,Black wires).
Caution: During assembling, ensure the SMPS P.C.B. is seated properly at the locators.
9.21. Replacement of Switching Reg-ulator IC (IC5701)
• Follow (Step 1) to (Step 5) of Item 9.3.• Follow (Step 1) to (Step 6) of Item 9.4.• Follow (Step 1) to (Step 7) of Item 9.17.• Follow (Step 1) to (Step 4) of Item 9.20.
9.21.1. Disassembly of Switching Regula-tor IC (IC5701)
59
Step 1 Desolder pins of the switching regulator IC (IC5701) onthe solder side of SMPS P.C.B.
Step 2 Remove 1 screw from the Switching Regulator IC(IC5701).Step 3 Remove the Switching Regulator IC (IC5701) from theHeatsink Unit B.Caution: Handle the Heatsink Unit B with caution due to itshigh temperature after prolonged use. Touching it maylead to injuries.
9.21.2. Assembly of Switch Regulator IC(IC5701)
Step 1 Apply grease to the Heatsink Unit B.Step 2 Mount the Switching Regulator IC (IC5701) to theSMPS P.C.B.Caution: Ensure the switching regulator IC (IC5701) is tightly screwed to the Heatsink Unit B.
Step 3 Solder pins of the Switching Regulator IC (IC5701) onthe solder side of SMPS P.C.B.
Step 4 Screw the Switching Regulator IC (IC5701) to the Heat-sink Unit B.
60
Caution Ensure pins of the switching regulator IC (IC5701) are properly seated and soldered on SMPS P.C.B.
9.22. Replacement of Rectifier Diode(D5702)
• Follow (Step 1) to (Step 5) of Item 9.3.• Follow (Step 1) to (Step 6) of Item 9.4.• Follow (Step 1) to (Step 7) of Item 9.17.• Follow (Step 1) to (Step 4) of Item 9.20.
9.22.1. Disassembly of Rectifier Diode(D5702)
Step 1 Desolder pins of the Rectifier Diode (D5702) on the Sol-der side of SMPS P.C.B.Step 2 Desolder pins of the Heatsink Unit B.
Step 3 Remove 1 screw from the Switching Regulator IC(IC5701).Step 4 Remove the Heatsink Unit B in the direction of arrows.
Step 5 Remove 1 screw.Step 6 Remove the Rectifier Diode (D5702) from the HeatsinkUnit B.Caution: Handle the Heatsink Unit B with caution due to itshigh temperature after prolonged use. Touching it maylead to injuries.
9.22.2. Assembly of Rectifier Diode(D5702)
Step 1 Apply grease to the Heatsink Unit B.Step 2 Screw the Rectifier Diode (D5702) to the Heatsink UnitB.Caution: Ensure the Rectifier Diode (D5702) is well tight-ened to the Heatsink Unit B.Step 3 Mount the Heatsink Unit B & Rectifier Diode (D5702) onthe solder side of SMPS P.C.B.Step 4 Screw the Switching Regulator IC (IC5701) to the Heat-sink Unit BCaution: Ensure the Heatsink Unit B is properly seated on SMPS P.C.B.
61
Step 5 Solder pins of the Rectifier Diode (D5702) on the solderside of SMPS P.C.B.Step 6 Solder pins of the Heatsink Unit B on the solder side ofSMPS P.C.B.
9.23. Replacement of RegulatorDiode (D5801)
• Follow (Step 1) to (Step 5) of Item 9.3.• Follow (Step 1) to (Step 6) of Item 9.4.• Follow (Step 1) to (Step 7) of Item 9.17.• Follow (Step 1) to (Step 4) of Item 9.20.
9.23.1. Disassembly of Regulator Diode(D5801)
Step 1 Desolder pins of the Regulator Diode (D5801) on thesolder side of SMPS P.C.B.
Step 2 Remove 1 screw.Step 3 Remove the Regulator Diode (D5801) from the HeatsinkUnit C.Caution: Handle the Heatsink Unit C with caution due to itshigh temperature after prolonged use. Touching it maylead to injuries.
9.23.2. Assembly of Regulator Diode(D5801)
Step 1 Apply grease to the Heatsink Unit C.Step 2 Mount & screw the Regulator Diode (D5801) to theHeatsink Unit C on the SMPS P.C.B.Caution: Ensure the Regulator Diode (D5801) is well tight-ened to the Heatsink Unit C.
Step 3 Solder pins of the Regulator Diode (D5801) on the sol-der side of SMPS P.C.B.Caution: Ensure pins of the Regulator Diode (D5801) is properly seated and soldered on SMPS P.C.B.
9.24. Replacement of RegulatorDiode (D5802)
• Follow (Step 1) to (Step 5) of Item 9.3.• Follow (Step 1) to (Step 6) of Item 9.4.• Follow (Step 1) to (Step 7) of Item 9.17.• Follow (Step 1) to (Step 4) of Item 9.20.
9.24.1. Disassembly of Regulator Diode (D5802)
62
Step 1 Desolder pins of the Regulator Diode (D5802) on thesolder side of SMPS P.C.B.
Step 2 Remove 1 screw.Step 3 Remove the Regulator Diode (D5802) from the HeatsinkUnit C.Caution: Handle the Heatsink Unit C with caution due to itshigh temperature after prolonged use. Touching it maylead to injuries.
9.24.2. Assembly of Regulator Diode(D5802)
Step 1 Apply grease to the Heatsink Unit C.Step 2 Mount & screw the Regulator Diode (D5802) to theHeatsink Unit C on SMPS P.C.B.
Caution: Ensure the Regulator Diode (D5802) is well tight-ened to the heatsink unit C.
Step 3 Solder pins of the Regulator Diode (D5802) on the sol-der side of SMPS P.C.B.Caution: Ensure pins of the Regulator Diode (D5802) is properly seated and soldered on SMPS P.C.B.
9.25. Replacement of RegulatorDiode (D5803)
• Follow (Step 1) to (Step 5) of Item 9.3.• Follow (Step 1) to (Step 6) of Item 9.4.• Follow (Step 1) to (Step 7) of Item 9.17.• Follow (Step 1) to (Step 4) of Item 9.19.
9.25.1. Disassembly of Regulator Diode(D5803)
Step 1 Desolder pins of the Regulator Diode (D5803) on thesolder side of SMPS P.C.B.
63
Step 2 Remove 1 screw.Step 3 Remove the Regulator Diode (D5803) from the HeatsinkUnit C.Caution: Handle the Heatsink Unit C with caution due to itshigh temperature after prolonged use. Touching it maylead to injuries.
9.25.2. Assembly of Regulator Diode(D5803)
Step 1 Apply grease to the Heatsink Unit C.Step 2 Mount & screw the regulator diode (D5803) to the Heat-sink Unit C on SMPS P.C.B.Caution: Ensure the Regulator Diode (D5803) is well tight-ened to the Heatsink Unit C.
Step 3 Solder pins of the Regulator Diode (D5803) on the sol-
der side of SMPS P.C.B.Caution: Ensure pins of the regulator diode (D5803) are properly seated and soldered on SMPS P.C.B.
9.26. Disassembly of AC Inlet P.C.B.• Follow (Step 1) to (Step 5) of Item 9.3.
Step 1 Remove 1 screw.Step 2 Release the tab at the rear panel according to the arrowshow.
Step 3 Cut 2 tie wraps.Step 4 Remove 2 screws on AC Inlet P.C.B.
64
Step 5 Lift up AC inlet P.C.B. from bottom chassis.
Step 6 Turn over AC Inlet P.C.B. to the solder side.Step 7 Desolder black wire pin and red wire pin on AC InletP.C.B.
Caution 1: During assembling procedure, ensure the AC Inlet P.C.B. is seated properly at the locators.Caution 2: Remember to use tie wraps to tie the red, black to the bottom chassis as diagram show.
9.27. Disassembly of USB P.C.B.• Follow (Step 1) to (Step 5) of Item 9.3.• Follow (Step 1) to (Step 8) of Item 9.6.
Step 1 Remove 2 screws.Step 2 Remove the USB Unit.
Step 3 Desolder 3 pins.
Step 4 Remove USB P.C.B.
65
9.28. Disassembly of MPort/Head-phone P.C.B.
• Follow (Step 1) to (Step 5) of Item 9.3.• Follow (Step 1) to (Step 8) of Item 9.6.
• Follow the (Step 1) to (Step 5) of item 9.3.• Follow the (Step 1) to (Step 10) of item 9.6.• Follow the (Step 1) to (Step 3) of item 9.10.• Follow the (Step 1) to (Step 4) of item 9.27.• Follow the (Step 1) to (Step 3) of item 9.28.
Step 1 Position front panel assembly according to the diagramshow. Step 2 Connect 22P FFC at the connector (CN3200) on MainP.C.B.
Step 3 Connect 27P FFC at the connector (CN2806) on MainP.C.B. Step 4 Connect 8P FFC cable at the connector (CN2012) onMain P.C.B.
Step 5 Connect 12P FFC at the connector (CN2011) on MainP.C.B. Step 6 Connect 8P FFC at the connector (CN2807) on MainP.C.B. Step 7 Connect 2P wire at the connector (CN2001) on MainP.C.B.
Step 8 Check and repair Panel P.C.B., Deck P.C.B., USBP.C.B. and MPort/Headphone P.C.B.
68
10.3. Checking and Repairing of D-Amp P.C.B.
• Follow the (Step 1) to (Step 5) of item 9.3.• Follow the (Step 1) to (Step 6) of item 9.4.• Follow the (Step 1) to (Step 7) of item 9.17.
Step 1 Position CD Mechanism Unit (CR14C) according to thediagram show.Step 2 Connect 11P FFC at the connector (CN2805) on MainP.C.B.Step 3 Connect 22P FFC at the connector (CN2801) on MainP.C.B.Step 4 Attach original cable with extension cable (REXX0683)(8P cable from H5801 to CN5500).Step 5 Connect extension cable (REEX0930) (17P FFC cablefrom CN2341A to CN5050).Step 6 Check and repair D-Amp P.C.B.
10.4. Checking and Repairing ofSMPS and AC Inlet P.C.B.
• Follow the (Step 1) to (Step 5) of item 9.3.• Follow the (Step 1) to (Step 6) of item 9.4.• Follow the (Step 1) to (Step 7) of item 9.17.• Follow the (Step 1) to (Step 3) of item 9.20.• Follow the (Step 1) to (Step 5) of item 9.26.• Follow the (Step 1) to (Step 5) of item 10.3.
Step 1 Position SMPS P.C.B., AC Inlet P.C.B. according to thediagram show.Step 2 Attach original cable with extension cable (REXX0680)(11P cable from CN2701 to CN5802).Step 3 Connect 8P cable to the connector (CN5500) on D-AmpP.C.B.Step 4 Check and Repair SMPS and AC Inlet P.C.B.
69
11 Procedure for Checking Operation of Individual Parts ofDeck Mechanism Unit
11.1. Operation Check with Cassette Tape
1. Pull up the EJECT lever using a rubber band. (Fig. 2)2. Supply DC5V to MOTOR. (→ MOTOR rotates.) (Fig. 1)3. Insert a cassette tape to the unit.4. Supply DC9V to the plunger, and turn the power ON and OFF. (→ Power +PL, -PL) (Fig. 1)
a. FWD PLAY: Supply the plunger power in a flash. (ON: approx. 5msec)b. FWD FF: Supply the plunger power in a flash at PLAY mode. (ON: approx. 5msec)c. STOP: Supply the plunger power in a flash at FWD FF mode. (ON: approx. 5msec)d. REV PLAY: Supply the plunger power in a normal timing at STOP mode. (ON: approx. 200msec)e. REV REW: Supply the plunger power in a flash at REV PLAY mode. (ON: approx. 50msec)f. STOP: Supply the plunger power in a flash at FF mode. (ON: approx. 50msec)
Repeat the operation (→ FWD PLAY)(Note) Other operation may start if a timing of supplying the plunger power is missed.
11.1.1. Connection Status between Mechanism and Power Supply (Motor, Plunger)
Fig. 1
11.1.2. Operative Parts of Deck Mechanism Unit (EJECT lever fitted with rubber band, Plunger/Rib operation)
Fig. 2
11.2. Operation Check without Cassette Tape
1. Pull up the EJECT lever using a rubber band. (Fig. 2)2. Supply DC5V to MOTOR. (→ MOTOR rotates.)3. Lift up the mechanism unit’s plunger/rib with the tip of a negative screwdriver, and operate the unit in the same timing as
supplying the power. (Fig. 3)
70
Fig. 3
71
12 Measurements and Adjustments12.1. Cassette Deck Section
12.1.1. Requirements• Test tape (QZZCFM) (QZZCWAT)• Normal blank cassette tape (QZZCRA)• Digital frequency counter• Oscilloscope• Electrical voltmeter• Headphone jack output jig (Fig 1)
12.1.2. Setting of Unit• VOLUME: MAX
12.1.3. Preparations1. Apply under [9. Assembling and Disassembling].2. Remove 4 screws from the mechanism unit to disassemble. under [9.10 Disassembly of Deck Mechanism Unit].3. Connect the headphone jack output jig (Fig 1) to headphone jack.
Fig. 1
Fig. 2
12.1.4. Tape Speed Adjustment• Normal speed adjustment (only during forward playback)
(Product reference value: 3,000±90Hz)1. Connect a frequency indicator. (Fig 3)2. Playback the middle portion of the test tape (QZZCWAT).3. Adjust the motor screw so that the following output level is produced. (Fig 4)
Adjustment Range: 3,000 ± 90Hz (a constant speed)
Fig. 3
72
Fig. 4
12.1.5. Bias Voltage Check1. Connect an electrical voltmeter. (Fig 5) (Fig 2 for location of Test point)2. Set the function to “TAPE” position.3. Insert a normal blank cassette tape (QZZCRA).
4. While pressing and holding down [REC( )] button, press [TAPE( )] button to pause the recording mode. (Repeatpressing the buttons till the recording pause mode is activated.)
5. Check that the output level is within the standard range.Standard Range: 14 ± 4mV
Fig. 5
12.1.6. Bias Frequency Check 1. Connect a digital frequency counter (Fig 6).2. Set the function to “TAPE” position.3. Insert a normal blank cassette tape (QZZCRA) and press “REC” mode on main unit.4. Check that the output frequency is within the standard range.
Fig. 6
Standard Value: 100 ±8 kHz
73
13 Voltage & Waveform ChartNote:
• Indication Voltage Values are in standard values for the unit measured by the DC electronic circuit tester (high-impedance) withthe chassis taken as standard.Therefore, there may exist some errors in voltage values, depending on the internal impedance of the DC circuit tester.
• Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point because itmay differ from actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.
: AUDIO OUTPUT SIGNAL LINE: CD/TAPE AUDIO INPUT SIGNAL LINE : FM/AM SIGNAL LINE: AUX/M.PORT INPUT AUDIO SIGNAL LINE : USB SIGNAL LINE
15.4. D-Amp
+
-
+
-
DRIVERHIGH
DRIVERLOW
DRIVERHIGH
DRIVERLOW
VD
DP
2
VS
SP
2V
DD
P1
VS
SP
1
BOOT1
BOOT2
OUT1
OUT2
9
10
15
14
1311
816
30V SENSE
30V SENSE
FRONT L
FRONT R
SPEAKERS
3
JK5001
4
JK5001
1
JK5001
2
JK5001
FL +
FR +
SA-AK280EB/EG/EP D-AMP BLOCK DIAGRAM
86
3 15
CN5050
CN5050
CN2341A
CN2341A
CN5050CN2341A
CN5050CN2341A
CN5050CN2341A
CN5050CN2341A
1 17
17 1
13 5
14 4
16 2
IC5500
INVERTER GATE(CLOCK GENERATOR)
C0JBAB000902
X5500X5501
D5501
D-TYPE FLIP-FLOPC0JBAF000716
CP1 O1
IC5501
6 810 9
14
14
11 3
D15
4 6
O1 2
154321
CD1 SD1
D5502 FAN DC
SWITCH
Q5601
SWITCH
Q5603
SWITCH
Q5604
IN1M
IN2M
IN1P
IN2P
SGND1
SGND2
OSC
MODE
INPUTSTAGE
INPUTSTAGE
CONTROLAND
HANDSHAKE
TEMPERATURE SENSORCURRENT PROTECTIONVOLTAGE PROTECTION
PWMMODULATOR
OSCILLATOR MANAGER
STABI
RELEASE2
SWITCH2
ENABLE2
MUTE
MUTE
MODE
2
3
5
19
23
1
21
22
PWMMODULATOR CONTROL
ANDHANDSHAKE
RELEASE1
SWITCH1
ENABLE1
ST
AB
I
PR
OT
IC5000
C1BA00000487
AUDIO DIGITAL POWER AMP12 7
- 30V SENSE +
-
DC DETECT
Q5101,Q5102
TH5001
FRONT R
MOD DA
MUTE F SW
FRONT L
FHOP
DC DET
: AUDIO OUTPUT SIGNAL LINE
FROMMAIN (1/2)
FROM MAIN (2/2)
FROM MAIN (2/2)
FROM/TOMAIN (1/2)
9 4
CN2011CN1303
8 5
CN2011CN1303
7 6
CN2011CN1303
3 8
CN2012CN1304
1 12
CN2011CN1303
6 7
CN2011CN1303
5 8
CN2011CN1303
INVERTER
Q1304, Q1303
PHOTO
DECK AD2
DECK AD1
FROM/TOMAIN (2/2)
FROM/TOMAIN (1/2)
SA-AK280EB/EG/EP DECK BLOCK DIAGRAM
87
15.5. Deck
19
4
PB LOUT
REC LIN
REC RIN
PB ROUT
16
7
TPS OUT
PB/REC SW
6
9
PB RIN1
PB LIN22
REC LOUT15
REC ROUT8
LCHR/P HEAD
RCHR/P HEAD
ERASE HEAD
: AUDIO OUTPUT SIGNAL LINE: TAPE AUDIO INPUT SIGNAL LINE
PB/REC PRE AMPAN7326K
IC1001
CN13014
CN13013
CN13012
CN13015
4
2 3
5
GND
CTRL2
CTRL1
HEAD SW
AUDIO HEAD SWITCHC1AA00000612
IC1000
BEATPROOFSWITCH
Q1317
SWITCH
Q1312
MOTORDRIVE
Q1316
MOTOR DRIVECONTROL
Q1314
L1301
6
4
5
1
3
2
D1301
Q1309, Q1310
BIASSWITCH
310
CN
1303
CN
2011
PHOTO INTERUPTORCNB13030R2AU
IC971
VREF
D951
-
2
-
1
WR1903*
WR1903*
MOTOR
M
5 6
CN2012CN1304
1 10
CN2012CN1304
2 9
CN2012CN1304
6 5
CN2012CN1304
MOTOR 9V
MOTOR 9V
S951 MODE
S952 HALF
S953 REC SW
VREF-
15.6. Power
D5701
Q5720,Q5722
CURRENTLIMITINGSWITCH
Q5721
SWITCHING SWITCHINGREGULATOR
C5HACYY00003
VCC
D
FB
4
1
6
IC5701
TH5701
D5798
D
VCC
FB
SWITCHINGREGULATOR
MIP4110MSSCF
5
4
2
3 CL
IC5799
SA-AK280EB/EG/EP POWER BLOCK DIAGRAM
L5701DZ5701
F1
AC INP5701
L5703
88
MAINTRANSFORMER
T5701
T5751
D5896
PC5799
FEED BACK
BACKUPTRANSFORMER
PC5701
FEED BACK
PC5702
SYNCSWITCH
3
2
6
7
D5804
D5803
D5805
D5801
D5802
Q5860,Q5861,Q5862
TRANSFORMERTEMP. DETECT
3
1
2
FEED BACKFEED BACK CIRCUIT
C0DAEMZ00001
SHUNTREGULATOR
IC5899
PC5720
SHUNTREGULATOR
IC5801
Q5802, D5806
C0DABFC00002
TH5860
QR5801DC DETECT
3, 4
H5801*
7, 8
H5801*
5
CN5802CN2701
8, 9
CN5802CN2701
- 30V SENSE
- 13V
DC18V
+ 30V SENSECN5500
CN5500
Q5803
SWITCHING
5
2
8
4
7
18
15
17
11
14
QR5802DC DETECT
C0CAAKG00046
SWITCHINGREGULATOR
+12V REGULATOR
C0DAAYG00001
OUT VCC 12
OUT VCC 13
Q2761
-9V REGULATOR
Q2763
POWERCONTROL
Q2751
+9V REGULATOR
Q2711
+3.3V REGULATOR
4
CN5802CN2701
IC2731
IC2701
MAIN (1/2)TO
PCONT
SYNC
SYS6V
MAIN (1/2)TO/FROM
+ 30V SENSE
A9V
- 30V SENSE
1
H5801*CN5500 FAN 18VFAN DC
2
CN2011CN1303
FROMMAIN (1/2)
AMBP
Q2771, Q2772
DC DETECT
Q2735
+7.5V REGULATOR
CD 3.3V
MOTOR 9V
+7.5V
11
LED SUPPLY
-9V
DC DET PWR
10
CN2701* CN5802
1
CN2701* CN5802
11
CN2701* CN5802
QR5810
INVERTER
Q5898
INVERTER
SA-AK280EB/EG/EP WIRING CONNECTION
FOR SOFTWARE
TUNER PACK
TO CR14CMECHANISM UNIT
CN2801
CN2805
CN2806 CN3200CN20117
CN2701* CN2341A
CN2811
JK2801
AUX
Z3601*
CN2012
21
21
22
21
1011
12
12
27
27
26
26
21 21
222
1
21
1112
11121
8
1
11
21
21 16
17
1617
217
8
3
2
14
10
9
8
76
5
43
2
1
21
21
910
910
CN6001
Z6601
VR6500
VOLUME
VR6630
882
D.BASSSENSOR
12
2726
1 2 3
13 2
1 2 3
12
B MAIN P.C.B. (SOLDER SIDE)
C PANEL P.C.B. (SOLDER SIDE)
89
16 Wiring Diagram
NOTE: " * " REF IS FOR INDICATION ONLY.
TO OPTICAL PICKUP UNIT
CN7002
CN7001
1615
1 2
2221
2221
21
21
CN6807
JK6800
HEADPHONE
JK6810
ZJ6801*
MUSICPORT
TO MOTOR
TO R/P HEAD
WR1903* CN1303
CN1301
217
8
7 6
543
21
7 6
543
21
1 2
1
2
12
1112
12
34
5
CN280CN2001
21
2
7
78
1
2
VR6
ROTARY
3
CN1304
SOLENOID
PL-PL+
12
9
10
P901P903
USBPORT
12
2221
4
3
2
15
6
P5701 BLK
RED
AC IN
220V-240V50Hz
(SWITCHINGTRANSFORMER)
T2900
SPEAKERS
CN5050
CN5500
JK5001
2
1
16
17
1
8
4
3
2
1
RED
BLK
(MAIN TRANSFORMER)
CN5802
T5751T5701
(BACKUP TRANSFORMER)
H5801*
1
11
1
8
A CD SERVO P.C.B. (SOLDER SIDE)
D MPORT/HEADPHONE P.C.B. (SOLDER SIDE)
E DECK P.C.B. (SOLDER SIDE)
F DECK MECHANISM P.C.B. (SOLDER SIDE)
G USB P.C.B. (SOLDER SIDE)
H D-AMP P.C.B. (SOLDER SIDE)
I SMPS P.C.B. (SOLDER SIDE)
J AC INLET P.C.B. (SOLDER SIDE)
PbF
PbF
PbF
PbF
PbF
PbF
PbF
PbF
PbF
PbF
90
17 Schematic Diagram Notes• This schematic diagram may be modified at any time with the development of new technology.
Notes:
• Important safety notice:
Components identified by mark have special characteris-tics important for safety.Furthermore, special parts which have purposes of fire-retar-dant (resistors), high quality sound (capacitors), low-noise(resistors), etc are used.When replacing any of components, be sure to use onlymanufacturer’s specified parts shown in the parts list.
• In case of AC rated voltage Capacitors, the part no. and val-ues will be indicated in the Schematic Diagram.AC rated voltage capacitors:C5700, C5701, C5703, C5704, C5705, C5706, C5707
• ResistorUnit of resistance is OHM [Ω] (K=1,000, M=1,000,000).
• CapacitorUnit of capacitance is µF, unless otherwise noted. F=Farads,pF=pico-Farad.
• CoilUnit of inductance is H, unless otherwise noted.
USB (USB / ) switch.S7201: REST switch.S7202: CD Open switch.VR6630: D.BASS Jog.VR6500: Volume Jog.VR6882: Rotary Jog.
: +B signal line: -B signal line: CD/Tape Audio input signal line
: AUX/M.Port input Audio signal line: Audio output signal line: USB signal line: FM/AM signal line: Tape audio signal line: M.Port Audio input signal line
20 Terminal Function of ICs20.1. IC2801 (RFKWMAK280PN): IC
Microprocessor
20.2. IC6901(C0HBB0000057): IC FLDriver
Pin No. Terminal Name I/O Function1 CLIP_SENS - No Connection2 BASS JOG2 I Bass Jog 23 VOL_LED O Volume LED4 USB_VE I/O Verify error for USB version up
using CD5 USB.IRQ I USB Interrupt request6 USB_TE I/O Time Out Error for USB7 MMOD0 ERROR I/O Micon mode switching for USB
version up8 BYTE - External Data Bus width width
select input. (GND)9 CNVSS - Flash Mode Terminal10 XCIN - 32.768kHz sub clock11 XCOUT - 32.768kHz sub clock12 /RESET I Reset input (Active L)13 XOUT - 10MHz main clock14 VSS - GND (0V)15 XIN - 10MHz main clock16 VCC - Power Supply (+3.3V)17 /NMI - Connected to vcc (3.3V)18 RMT I Remote control Input19 BLKCK I CD block control Input20 SYNC I AC failure detect input21 EE_CS/EFP/EPM O EEPROM chip select (Flash
EPM for on board writer)22 EE_CLK O EEPROM clock23 EE_DAT I/O EEPROM data24 MODE SW I CR14 MODE SW25 TOP SW I CR14 TOP SW26 UD SENSOR I CR14 UD Sensor27 CW O CR14 LD_CW28 CCW O CR14 LD_CCW29 USB_SCL (RXD) I/O USB I2C clock line (Flash Rx for
on board writer)30 USB_SDA (TXD) I/O USB I2C data line (Flash Tx for
on board writer)31 IPOD_TXD - For On board writer32 IPOD_RXD - For On board writer33 USB_RST(CLK) O USB reset pin. (Flash Clock for
on board writer)34 BUSY I Flash Busy for On board writer35 ASP_DAT I/O ASP DATA Signal36 ASP_CLK I/O ASP_CLK Signal37 CLOSE_SW I CR14 Close SW38 CR14 HOME_SW I Home SW for CR1439 OPEN_SW I CR14 Open SW40 CD_OPEN_SW I CR14 CD OPEN SW41 CR14 CD LOAD (L) O CR14 CD LOAD (L)42 CR14 CD LOAD (H) O CR14 CD LOAD (H)43 /RESET SW I CD limit SW Input for the most
inner point (activeLow)44 CD_RST O CD reset Output45 STATUS I CD servo LSI status input46 MLD O CD command load output47 MDATA_OUT O CD command data output48 MCLK O CD command CLK output49 NC - No Connection50 NC - No Connection51 NC - No Connection52 NC - No Connection
53 NC - No Connection54 NC - No Connection55 NC - No Connection56 RDS_DATA I RDS Data Input57 RDS_CLK I RDS CLK Input58 TU_ST I Tuner Stereo signal59 TU_SDA O Tuner Serial Data Input60 TU_SCLK O Tuner Serial Clock Input61 TU_SD I Tuner tuned signal62 VCC - Power supply (+3.3V)63 MUTE_A O Audio mute64 VSS - Ground (0V)65 NC - No Connection66 NC - No Connection67 MUTE_DA O Digital Amp Mute68 DCDET_AMP I DC detect input 1(D.Amp failure)69 F_HOP O FHOP for digital AMP70 MUTE_F O Front Muting71 MUTE_S O Surround Muting72 SMPS BP O SMPS Beat Proof73 DCDET_PWR I DC detect input 1(Power supply
failure)74 PCONT O Main transformer control output75 DECK_PHOTO I Deck Detection76 NC - No Connection77 DECK REC I/O Cassette record (ON:High).78 DECK MOTOR O Deck Motor, ON/OFF79 DECK PLUNGER O Deck Plunger control80 HP_SW I Headphone SW81 MPORTSW I Music Port SW82 FL_CLK O Serial Clock to FL driver83 FL_DOUT O Serial Data to FL driver84 FL CS O FL driver CS85 NC - No Connection86 DECK AD1 I Deck AD Input 187 DECK_AD2 I Deck AD Input 288 ROTARY_JOG I Rotary Jog89 REG I/O Region Setting90 VOL_JOG I Volume Jog91 CS I Chip Select pin92 KEY3 I Key 3 Input93 KEY2 I Key 2 Input94 KEY1 I Key 1 input95 BASS JOG1 I Bass Jog 196 AVSS - Analog power supply input (Con-
nect to GND)97 NC - No Connection98 VREF - Reference for AD (3.3V)99 AVCC - Analog power supply input100 DEMO SEL I (H= default demo; L= default
demo OFF)
Pin No.
Terminal Name I/O Function
1 P0 O No Connection2 P1 - No Connection3 P2 - No Connection4 P3 - No Connection5 OSC I Oscillator Input6 NC - No Connection7 DIN I Data Input8 CLK I Clock Input9 STB I Serial Interface Strobe
Pin No. Terminal Name I/O Function
111
10 K1 - Key Data Input 1 (No Connec-tion)
11 K2 - Key Data Input 2 (No Connec-tion)
12 VSS - GND13 VDD - Power Supply (+5V)14 S1 O Segment Output 1815 S2 O Segment Output 1716 S3 O Segment Output 1617 S4 O Segment Output 1518 S5 O Segment Output 1419 S6 O Segment Output 1320 S7 O Segment Output 1221 S8 O Segment Output 1122 S9 O Segment Output 1023 S10 O Segment Output 924 S11 O Segment Output 825 S12 O Segment Output 726 S13 O Segment Output 627 S14 O Segment Output 528 S15 O Segment Output 429 S16 O Segment Output 330 VEE - Voltage Supply31 G12 O Segment Output 232 G11 O Segment Output 133 G10 O Grid Segment Output 134 G9 O Grid Segment Output 235 G8 O Grid Segment Output 336 G7 O Grid Segment Output 437 G6 O Grid Segment Output538 G5 O Grid Segment Output 639 G4 O Grid Segment Output740 G3 O Grid Segment Output 841 G2 O Grid Segment Output 942 G1 O Grid Segment Output 1043 VDD - Voltage Supply (+5V)44 VSS - GND
Pin No.
Terminal Name I/O Function
112
(SUPPORT P.C.B.)
(PANEL P.C.B.)
(DECK P.C.B.)
Z6601
*WR1903
VR6882
VR6630
VR6500
FL6601
CN6001
CN1303
CN1301
66
65
65
60
60
60
57
52
52
51
35
35
35 35
35
35
35
35
35
32
31
28
25
18
9
6
1
a
d
r
s
10 11 12 13
SA-AK280EB/EG/EP-K
CABINET DRAWINGS
113
21 Exploded View and Replacement Parts List21.1. Exploded View and Mechanical replacement Part List
21.1.1. Cabinet Parts Location
(DECK MECHANISM UNIT)
(USB P.C.B.)
(MPORT / HEADPHONE P.C.B.)
*ZJ6801
P903
P901
JK6810
JK6800
CN6807
60
58
56
56
55
47
47
45
44
42
41
40
40
39
39 39
39
39
36
36
36
36
36
36
35
35
35
34
33
30
29
27
26
24
23
21
20
19
7
5
b
ef
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
NOTE: " * " PART IS NOT SUPPLIED / REF IS FOR INDICATION ONLY.
PS P.C.B.)
(AC-INLET P.C.B.)
ZJ5803
ZJ5702 ZJ5701
P5701F1
NIT C
UNIT B
39
39
39
39
39
39
39
39
39
38
38
38
37
12
11
l
m
m
10 11 12 13
SA-AK280EB/EG/EP-K
CABINET DRAWINGS
114
(CD MECHANISM
UNIT (CR14C))
(SM
(MAIN P.C.B.)
(D-AMP P.C.B.)
(CD SERVO P.C.B)
ZJ5801
ZJ5410
ZJ5400
*Z3601
T5751T5701
T2900
S7202
S7201
JK5001
JK2801
*H5801
E2001
CN7002
CN7001
CN5802
CN5500
CN5050
CN3200
CN2811
CN2807
CN2806
CN2805
CN2801
*CN2701
CN2341A
CN2012
CN2011
CN2001
*HEATSINK U
*HEATSINK
*HEATSINK UNIT A
347347347
340
64
63
62
61
61
59
5959
59
59
53
53
50
49
48
46
43 43
40
40
3838
38
38
38
38
38
38
38
38
38
22
15
10
8
4
3
2
a
b
c
de
f
g
g
h
h
i
i
j
j
k
k
l
p
p
q
q
t
t
1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
NOTE: " * " PART IS NOT SUPPLIED / REF IS FOR INDICATION ONLY.