Transcript
HCD-NXM4DE Model
Australian ModelSERVICE MANUAL
DISPLAY SIDE Hi-Fi COMPONENT SYSTEMSony CorporationHome Audio CompanyPublished by Sony Engineering Corporation
9-877-971-012004F02-1 2004.06
SPECIFICATIONS
Ver 1.0 2004. 06
Continued on next page
HCD-NXM4D is the Amplifier, DVD player,tape deck and tuner section in DHC-NXM4D.
Model Name Using Similar Mechanism NEWDVD DVD Mechanism Type CDM81A-DVBU60
Section Base Unit Name DVBU60Optical Pick-up Name DBU-3
TAPE Model Name Using Similar Mechanism HCD-CPX22Section
Main unitAmplifier sectionThe following measured at AC 120, 127, 220, 240 V, 50/60 HzDIN power output (rated): 60 + 60 watts
(6 ohms at 1 kHz, DIN)Continuous RMS power output (reference)Front speaker: 75 + 75 watts
(6 ohms at 1 kHz, 10% THD)Center speaker: 40 watts (6 ohms at 1 kHz, 10% THD)Surround speaker: 40 + 40 watts
(6 ohms at 1 kHz, 10% THD)Sub woofer: 120 watts
(4 ohms at 100 Hz, 10% THD)InputsVIDEO/SAT IN (phono jacks):
voltage 250/450 mV, impedance 47kilohms
MIC1/MIC2 (phone jacks): sensitivity 1 mV, impedance 10kilohms
OutputsVIDEO/SAT OUT (phono jacks):
voltage 250 mV, impedance 1 kilohmVIDEO OUT (phono jack): max. output level
1 Vp-p, unbalanced, Sync negative,load impedance 75 ohms
S VIDEO OUT (4-pin/mini-DIN jack):Y: 1 Vp-p, unbalanced,Sync negative, C: 0.286 Vp-p, loadimpedance 75 ohms
COMPONENT VIDEO OUT:Y: 1 Vp-p, 75 ohmsPB, PR: 0.7 Vp-p, 75 ohms
PHONES (stereo mini jack): accepts headphones of 8 ohms ormore
FRONT SPEAKER: Use only the supplied speakerSS-NXM4D
SURROUND SPEAKER: Use only the supplied speakerSS-RS400S
CENTER SPEAKER : Use only the supplied speakerSS-CT400S
SUB WOOFER SPEAKER: Use only the supplied speakerSS-WG4D
2HCD-NXM4D
Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270C
during repairing. Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times). Be careful not to apply force on the conductor when soldering
or unsoldering.
CAUTIONUse of controls or adjustments or performance of proceduresother than those specified herein may result in hazardousradiation exposure.
This appliance is classified asa CLASS 1 LASER product.This label is located on the rearexterior.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITHMARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.
Disc player sectionSystem Compact disc and digital audio and
video systemLaser Semiconductor laser
(DVD: =650 nm, CD: =780 nm)Emission duration: continuous
Frequency response DVD (PCM 48 kHz):2 Hz 22 kHz (1 dB)CD: 2 Hz 20 kHz (1 dB)
Video color system format Latin American model: NTSCOther models: NTSC, PAL
Tape deck sectionRecording system 4-track 2-channel stereoFrequency response 50 13,000 Hz (3 dB), using Sony
TYPE I cassette
Tuner sectionFM stereo, FM/AM superheterodyne tunerFM tuner sectionTuning range 87.5 108.0 MHz (50 kHz step)Antenna FM lead antennaAntenna terminals 75 ohms unbalancedIntermediate frequency 10.7 MHzAM tuner sectionTuning rangeLatin American models: 530 1,710 kHz
(with the interval set at 10 kHz)531 1,710 kHz(with the interval set at 9 kHz)
Saudi Arabian models: 531 1,602 kHz(with the interval set at 9 kHz)
Other models: 531 1,602 kHz(with the interval set at 9 kHz)530 1,710 kHz(with the interval set at 10 kHz)
Antenna AM loop antennaAntenna terminals External antenna terminalIntermediate frequency 450 kHz
GeneralPower requirementsAustralian model: 230 240 V AC, 50/60 HzSaudi Arabian model: 120 127 V or 220 240 V AC,
50/60 HzAdjustable with voltage selector
Thai model: 220 V AC, 50/60 HzOther models: 120 V or 220 240 V AC, 50/60 Hz
Adjustable with voltage selectorPower consumption 315 watts
Dimensions (w/h/d) Approx. 230 x 290 x 355 mmMass Approx. 7.0 kg
Design and specifications are subject to change without notice.
3HCD-NXM4D
TABLE OF CONTENTS
1. SERVICING NOTES ................................................ 4
2. GENERALLocation of Controls ........................................................ 5
3. DISASSEMBLY3-1. Disassembly Flow ........................................................... 73-2. Case ................................................................................. 83-3. Back Panel ....................................................................... 83-4. DVD Section ................................................................... 93-5. Main Board ...................................................................... 103-6. Front Panel ...................................................................... 103-7. Front Amp Boardm Sur Amp Board ................................ 113-8. Tape Mechanism Deck .................................................... 123-9. Panel Board ..................................................................... 123-10. Video Board ..................................................................... 133-11. DMB07 Board, DVD Mechanism Deck
(CDM81A-DVBU60) ...................................................... 133-12. Tray .................................................................................. 143-13. Motor Board, M761 (LD/ST Motor),
M762 (BU U/D Motor) ................................................... 143-14. Base Unit (DVBU60) ...................................................... 153-15. RF Board ......................................................................... 153-16. Optical Pick-Up (DBU-3) ............................................... 16
4. TEST MODE .............................................................. 17
5. MECHANICAL ADJUSTMENTS ....................... 19
6. ELECTRICAL ADJUSTMENTSDeck section .................................................................... 26Video Section .................................................................. 27
7. DIAGRAMS7-1. Circuit Board Location .................................................... 297-2. Block Diagram DVD DSP (1/2) Section .................. 317-3. Block Diagram DVD DSP (2/2) Section .................. 327-4. Block Diagram Tuner/Tape Deck Section ................ 337-5. Block Diagram Main Section ................................... 347-6. Block Diagram Amp Section .................................... 35
7-7. Printed Wiring Board RF Board ............................... 367-8. Schematic Diagram RF Board .................................. 377-9. Printed Wiring Board DVD Mechanism Board ....... 387-10. Schematic Diagram DVD Mechanism Board .......... 397-11. Printed Wiring Board DMB07 Board (Side A) ........ 407-12. Printed Wiring Board DMB07 Board (Side B) ........ 417-13. Schematic Diagram DMB07 Board (1/6) ................. 427-14. Schematic Diagram DMB07 Board (2/6) ................. 437-15. Schematic Diagram DMB07 Board (3/6) ................. 447-16. Schematic Diagram DMB07 Board (4/6) ................. 457-17. Schematic Diagram DMB07 Board (5/6) ................. 467-18. Schematic Diagram DMB07 Board (6/6) ................. 477-19. Printed Wiring Board Video Board .......................... 487-20. Schematic Diagram Video Board ............................. 497-21. Printed Wiring Boards Main Board .......................... 507-22. Schematic Diagram Main Board (1/3) ..................... 517-23. Schematic Diagram Main Board (2/3) ..................... 527-24. Schematic Diagram Main Board (3/3) ..................... 537-25. Printed Wiring Boards Panel Board ......................... 547-26. Schematic Diagram Panel Board ............................... 557-27. Printed Wiring Board Disc SW, Vol, HP Board ....... 567-28. Schematic Diagram Disc SW, Vol, HP Board .......... 577-29. Printed Wiring Board Front Amp Board .................. 587-30. Schematic Diagram Front Amp Board ..................... 597-31. Printed Wiring Board SURAmp Board .................... 607-32. Schematic Diagram SUR Amp Board ...................... 617-33. IC Block Diagram ........................................................... 638. EXPLODED VIEWS8-1. Case, Rear Panel Section ................................................. 788-2. Front Panel Section ......................................................... 798-3. Chassis Section ................................................................ 808-4. DVD Mechanism Deck Section-1
(CDM81A-DVBU60) ..................................................... 818-5. DVD Mechanism Deck Section-2
(CDM81A-DVBU60) ..................................................... 828-6. DVD Mechanism Deck Section-3
(CDM81A-DVBU60) ..................................................... 838-7. Base Unit (DVBU60) ...................................................... 84
9. ELECTRICAL PARTS LIST ................................ 85
4HCD-NXM4DSECTION 1
SERVICING NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCKOR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostaticbreak-down because of the potential difference generated by thecharged electrostatic load, etc. on clothing and the human body.During repair, pay attention to electrostatic break-down and alsouse the procedure in the printed matter which is included in therepair parts.The flexible board is easily damaged and should be handled withcare.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused onthe disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission, observefrom more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATION CHECK
Carry out the S curve check in CD section adjustment and checkthat the S curve waveform is output several times.
SERVICE POSITION FOR TAPE MECHANISM DECK
tape mechanism deck
Jig (J-2501-271-A)
Jig (J-2501-270-A)CN301
CN302
NOTE ON CD/DVD MECHANISM DECK EXCHANGEIf CD/DVD mechanism deck is exchanged while the desk had gone into trays 2 or 3, since the address is memorized by the microprocessor,the set will not operate normally.In this case, please perform cold reset with reference to test mode (page 17.)
AbbreviationE2 : 120 V AC Area in E modelE3 : 240 V AC Area in E modelE15 : Iran modelEA : Saudi Arabia modelSP : Singapore modelMY : Malaysia modelAUS : Australian modelTH : Thai model
MODEL IDENTIFICATION Back Panel
MODEL PART No.SP, MY models 4-253-361-0[]E2 model 4-253-361-1[]E3, E15 model 4-253-361-2[]EA model 4-253-361-3[]AUS model 4-253-361-4[]TH model 4-253-361-5[]
PART No.
5HCD-NXM4DSECTION 2GENERAL This section is extracted
from instruction manual.LOCATING THE CONTROLS
Main unit
ALBUM +/ qaCD SYNC wgDeck A w;Deck B qgDIMMER whDISC 1 5 3Disc tray 9DISPLAY wjDisplay window 4DSGX qsDVD eaDVD MENU qaDVD TOP MENU qa
ECHO LEVEL qjMIC1/MIC2 jacks qhMIC LEVEL qkPHONES jack qlRemote sensor 2SOUND MODE control wd SOUND SELECT control ws TAPE A/B wlTUNER/BAND e;TUNING +/ 0VIDEO/SAT wkVOLUME control qd
?/1 (power) 1nN (play) 5X (pause) 6x (stop) 7DVD Z (open/close) 8.m/M> (rewind/fast
forward, go back/go forward) 0TAPE Z B (eject) qfA TA PE Z (eject) waz START (record) wf
List of button locations and reference pages
ALPHA BETICAL ORDER
A D E Z
BUTTON DESCRIPTIONS
1 2 3 4
56789
0
qa
qs
qd
qf
e;ea
wlwk
wjwhwgwfwdws
wa
w; qg
qhqjqkql
6HCD-NXM4DThis section is extractedfrom instruction manual.
Remote control
ALBUM + 7ALBUM qaANGLE qkAUDIO qkBAND wgCLEAR wlCLOCK/TIMER SELECT e;CLOCK/TIMER SET e; DISC SKIP wfDISPLAY waDVD DISPLAY whDVD MENU 7DVD SETUP wsDVD TOP MENU qaENTER wj
FM MODE 5FUNCTION +/ 0KARAOKE/MPX qfNumber buttons qdPLAY MODE 4 REPEAT 5SLEEP qhSOUND FIELD +/ wdSUBTITLE qkTUNER MEMORY 3TUNING MODE 4TUNING +/ wkTV CH +/ qgTV/VIDEO eaTV VOL +/ 2VOLUME +/ 8
?/1 (power) 1nN (play) 6X (pause) 6x (stop) 6KEY CONTROL #/29>10 qsTV ?/1 qjO RETURN qlm (rewind) w;M (fast forward) w;SLOW /y w;M/m/ (go forward) wk
ALPHABETICA L ORDER
A E F Z
BUTTON DESCRIPTIONS
O
bB
V
v
+
+
+
+
+
+
+
+
XbB
yy + yy
x
m M. >
O
bB
V
v
+
+
+
+
+
XbB x
m M. >
ws
1
wk
qa
wd
2qg
qh
qf
qs
qd
3
4
5
6
7
8
90
qj
qk
w;
wa
ql
e;
ea
wl
wf
wgwhwj
7HCD-NXM4DSECTION 3
DISASSEMBLY This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
3-2.CASE(Page 8)
3-3.BACK PANEL(Page 8)
3-7.FRONT AMP BOARD, SUR AMP BOARD (Page 11)
3-11. DMB07 BOARD,DVD MECHANISM DECK(CDM81A-DVBU60)(Page 13)
3-10.VIDEO BOARD (Page 13)
3-6.FRONT PANEL (Page 10)
3-9.PANEL BOARD (Page 12)
3-12. TRAY(Page 14)
3-14. BASE UNIT (DVBU60)(Page 15)
3-16. OPTICAL PIC-UP (DBU-3)(Page 16)
3-15. RF BOARD(Page 15)
3-8.TAPE MECHANISM DECK (Page 12)
3-4.DVD SECTION (Page 9)
3-13. MOTOR BOARD,M761 (LD/ST MOTOR),M762 (BU U/D MOTOR)(Page 14)
SET
3-5.MAIN BOARD(Page 10)
8HCD-NXM4D
Note: Follow the disassembly procedure in the numerical order given.
3-2. CASE
3-3. BACK PANEL
1 three screws (CASE 3 TP2)
2 three screws (CASE 3 TP2)
3 two screws (sumitite (B3))
4 two screws (sumitite (B3))
5 screw (sumitite (B3))
6
7 CASE
1 screw (+BVTP 3X8)
2 two screws (+BVTP 3X8)
3 four screws (+BVTP 3X8)
4 two screws (+BVTP 3X8)
5 two screws (+BVTP 3X8)
6 back panel section
7 CNP204
8 connector (CN506)
9HCD-NXM4D
3-4. DVD SECTION
1 CNP2002 CNP202 3 CNP372
6 DVD section
7 connector (CN102)
4 screw (+BVTP 3X8)
5 two screws (sumitite (B3))
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HCD-NXM4D
3-5. MAIN BOARD
1 two screws (sumitite (B3))
2 connector (CN102)
3 connector (CN103)
4 MAIN board
5 CNP3036 connector (CN108)
7 connector (CN301)
8 connector (CN302)
0 connector (CN101)
qa CNP112
qs CNP110qd CNP109
9 connector (CN102)
3-6. FRONT PANEL
1 two screws (+BVTP 3X8)
2 front panel section
3 connector (CN505)
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HCD-NXM4D
3-7. FRONT AMP BOARD, SUR AMP BOARD
1 two screws (sumitite (B3))
2 two screws (sumitite (B3))
3 FRONT AMP board
4 connector (CN502)
qa screw (+BVTP 3X8)
qs screw (+BVTP 3X8)qd two screws
(+BVTP 3X8)
qf bracket
qg two screws (+BVTP 3X8)
qh bracket
8 SUR AMP board
5 screw (+BVTP 3X8)
6 two screws (+BVTP 3X8)
7 screw (+BVTP 3X8)
9 connector (CN503)
q; connector (CN507)
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HCD-NXM4D
3-8. TAPE MECHANISM DECK
3-9. PANEL BOARD
1 four screws (+BVTP 2.6X8)
2 screw (+BVTP 2.6X8)
3 screw (+BVTP 2.6X8)
4 bracket (main)
5 screw (+BVTP 2.6X8)
6 three screws (+BVTP 2.6X8) 7 PANEL board
1
2
3 two screws (+P 2.6X3)
4 two screws (+BVTP 2.6X8)
5 tape mechanism deck
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HCD-NXM4D
3-10. VIDEO BOARD
3-11. DMB07 BOARD, DVD MECHANISM DECK (CDM81A-DVBU60)
1 CNP1101
2 screw (+BVTP 3X8)
3 screw (+BVTP 3X8)
4 VIDEO board
1 CNP501
2 CNP105 3 CNP107
4 two screws (+BVTP 3X8)
5 screw (+BVTP 3X8)
6 screw (+BVTP 3X8)
7 DMB07 board
8 two screws (+BVTP 3X8)
9 screw (+BVTP 3X8)0 screw
(+BVTP 3X8)
qa screw (+BVTP 3X8)
qs DVD mechanism deck (CDM81A-DVBU60)
14
HCD-NXM4D
3-12. TRAY
1 two screws (+BTP 2.6X8)
2 two screws (+BTP 2.6X8)
3 bracket
4
5 tray
3-13. MOTOR BOARD, M761 (LD/ST MOTOR), M762 (BU U/D MOTOR)
1 screw (+BTP 2.6X8)
2 bracket
3 screw (+BTP 2.6X8)
4 MOTOR board
5 Remove soldering from the two points.
6 M761 (LD/ST MOTOR)
7 Remove soldering from the two points.
8 M762 (BU U/D MOTOR)
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HCD-NXM4D
3-14. BASE UNIT (DVBU60)
3-15. RF BOARD
1 two floating screws (+PTPWH2.6)
2 base unit (DVBU60)
1 screw (+BTP 2.6X6)
2 screw (+BTP 2.6X6)
4 CNP101
3 RF board
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HCD-NXM4D
3-16. OPTICAL PICK-UP (DBU-3)
1 screw (+BTP 2.6X8)2 two screws
(+BTP 2.6X8)
3 holder (DBU1) assy
4 step screw
5 step screw
6 step screw
8 optical pick-up (DBU-3)
7 9 insulator
0 insulator
qa insulator
17
HCD-NXM4DSECTION 4TEST MODE
[Change-over of AM Tuner Step between 9 kHz and 10 kHz] A step of AM channels can be changed over between 9 kHz
and 10 kHz.
Procedure:1. Press ?/1 button to turn the set ON.2. Select the function TUNER, and press [TUNER/BAND]
button to select the BAND AM.3. Press ?/1 button to turn the set OFF.
4. Press x button continuously, then press ?/1 button. Theset will POWER on automatically, and the display offluorescent indicator tube changes to AM 9 kHz step or AM10 kHz step, and thus the channel step is changed over.
[Cold Reset] The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode whenreturning the set to the customer.
Procedure: 1. Press x button continuously, then press [DIMMER]
and ?/1 buttons.
[Switching MD/VIDEO Functions]Procedure:
1. Press the ?/1 button to turn the set ON.2. Press the ?/1 button while holding the VIDEO/SAT button
depressed to toggle between SAT and VIDEO. Theselected mode is displayed.
[Aging Mode]This mode can be used for operation check Tape deck section.
If an error occurred:The aging operation stops and is displayed status.
If no error occurs:The aging operation continues repeatedly
Aging mode in Tape Deck section
Procedure:1. Load the tapes into the decks A and B respectively.2. Press ?/1 button on the set ON3. Select the function TAPE A
4. Press x button continuously, then press X and [TAPE A/B]buttons. and aging mode is started.
5. To exit from the aging mode perform [Cold Reset].
In the aging mode ,the program is executed in the followingsequence.
Step Operation Display1 Rewind the TAPE A TAPE A AG-12 Rewind the TAPE B TAPE B AG-13 Play the TAPE A (t) (2 minute) TAPE A AG-24 FF. (AMS) the TAPE A TAPE A AG-35 Play the TAPE A (T) (2 minute) TAPE A AG-46 Rewind the TAPE A TAPE A AG-57 Play the TAPE B (t) (2 minute) TAPE B AG-28 FF.(AMS) the TAPE B TAPE B AG-39 Play the TAPE B (T) (2 minute) TAPE B AG-410 Rewind the TAPE B TAPE B AG-5
[GC Test Mode] All fluorecent segments and LEDs are tested. Microprocessor virsion. Keyboard and jog check. Display check.
Procedure: 1. To enter the test mode, press x button coutinuously, then
press X and [TUNER/BAND] buttons.2. All segments and LEDs (without STANDBY LED) are turned
on.
3. Press the [TUNING -] button to increment the microprocessorsoftware version.
4. Press the [TUNING -] button to change the indication for themicroprocessor software version.
3. Press the b B button to set the check mode for the entries(KEY, JOG, etc.).
4. Press the X button to display the current VACS level. 7. Press the x button to enter the mode to check the display. If
you press this button repeatedly, the display will changesequentially as the button is pressed.
8. Press x button coutinuously, then press X and [TUNER/BAND]buttons.
[MC Test Mode] (Amplifier SECTION) This mode is used to test the function of the amplifier section.
Procedure:1. Press ?/1 button to turn the set ON.
2. To enter the test mode, press x button coutinuously, then press X and z START buttons.
3. Turn [VOLUME] knob to counter-clockwise, the function ofthe equalizer is set to MIN.
4. Turn [VOLUME] knob to clockwise, the function of theequalizer is set to MAX.
5. Whenever turn [SOUND MODE] knob to clockwise, the displayswitches as follows.
TONE MAX tTONE MIN tTONE FLAT6. Press [DSGX] button to select DBFB ON or OFF.7. To exit from this mode, press ?/1 button to turn the set
OFF.8. Press ?/1 button to turn the set ON.
9. To enter the test mode, press x button coutinuously, then press X and z START buttons.
10. Select SOUND FIELD mode by turn the SOUND MODEknob.
11. Change the speaker output by turn the SOUND SELECT knob.
[MC Test Mode] (Tape section) This mode is used to test the functions of the Tape Section.
Procedure:1. Press ?/1 button to turn the set ON.
2. To enter the test mode, press x button coutinuously, then press X and z START buttons.
3. While holding the [DIMMER] button depressed, turn the ALCON.
4. Press the z START button to start REC (recording).5. While recording, press the [TUNING +] button to perform
automatic rewind and automatic playback (for FF version).Also, press the [TUNING -] button to perform automatic rewindand automatic playback (for FR version).
6. Select the function TAPE A or TAPE B
18
HCD-NXM4D
7. Press the [CD SYNC] button while TAPE A or TAPE Bis selected, to perform AMS check. EDG[ ] is displayed.A number appears inside[ ].
8. To exit from this mode, press ^/1 button to turn the set OFF.
[DVD Ship Mode (LOCK) ] This mode moves the pick-up to the position durable to
vibration. Use this mode when returning the set to the customerafter repair.
Procedure: 1. Press ^/1 button to turn the set ON.
2. Select the function DVD. 3. Press x button and [DVD] button simultaneously.
4. The STANDBY display blinks instantaneously, and the DVDship mode is set.
5. To fluorescent indicator tube displays LOCK.
[DVD Ship (LOCK) & COLD RESET MODE]Procedure:
1. Press ^/1 button to turn the set ON.2. Select the function DVD.
3 Press x button continuously, then press X and VIDEO/SATbuttons.
4. The STANDBY display blinks instantaneously and DVDship mode is set.
5. To fluorescent indicator tube displays LOCK and the set isreset.
[DVD power -manage function] This mode let you switch on or off power supply to the BU
during TUNER function. When DVD POWER is set to OFF, the power supply to the
BU is cut off during TUNER function. It will increase thetime taken to access DVD when function change from TUNERto DVD but it will improve tuner reception.
When DVD POWER is set to ON, the power supply to theBU is not cut off during TUNER function. It will reduce thetime taken to access DVD when function change from TUNERto DVD but it will decrease tuner reception performance.
Procedure:
1. Press ^/1 button to the set ON.2. Select the function DVD.
3. Press ^/1 button to turn the set OFF.
4. Press x button continuously, then press ^ /1 button.The setwill POWER on automatically, and the display of fluorescentindicator tube changes DVD POWER OFF or DVDPOWER ON.
5. Press ^/1 button to turn the set OFF.
[DISC Tray Lock]
Procedure:
1. Press ^/1 button to the set ON.2. Select the function DVD.
3. Press x button continuously, then press DVD Z button for5 seconds.And the displays of fluorescent indicator tube changes toLOCKED or UNIOCKED.
4. Press ^/1 button to turn the set OFF.
[DVD Repeat 5 Times Limit Release Mode]
Procedure: 1. Press ^/1 button to turn the set ON.
2. Select the function DVD. 3. Press x button continuously, then press [CD SYNC]
button.4. The message LIMIT OFF is displayed.
5. Press ^/1 button to the set OFF.
19
HCD-NXM4D
[GENERAL DESCRIPTION]The Test Mode allows you to make diagnosis and adjustment easilyusing the remote commander and monitor TV. The instructions,diagnostic results, etc. are given on the on-screen display (OSD).
[STARTING TEST MODE]1. Press the +/1 button to turn the power on, and set the function
to DVD.2. While pressing the x and Z button, turn the [VOLUME]
knob clockwise to enter the test mode.3. It displays SERVICE IN on the liquid crystal display, and
displays the Test Mode Menu on the monitor screen as follows.(At the bottom of the menu screen, the model name andrevision number are displayed)
Test Mode Menu
0. Syscon Diagnosis1. Drive Auto Adjustment2. Drive Manual Operation3. Mecha Aging4. Emergency History5. Mecha Error History6. Version Information7. Video Level Adjustment
Exit: POWER KeyModel :DHC-NXMxxRevision :x.xx
4. To execute each function, select the desired menu and pressits number on the remote commander.
5. To release from test mode, press the +/1 button and turn thepower off.
[OPERATING TEST MODE]0. SYSCON DIAGNOSISThe same contents as board detail check by serial interface can bechecked from the remote commander operation.On the Test Mode Menu screen, press [10/0] key on the remotecommander, and the following Check Menu will be displayed.
### Syscon Diagnosis ###
Check Menu0. Quit1. All2. Version3. EEPROM4. GPIO5. SD Bus6. Video
0-0. QuitQuit the Syscon Diagnosis and return to the Test Mode Menu.
0-1. All (All items continuous check)This menu checks all diagnostic items continuously. Normally, allitems are checked successively one after another automaticallyunless an error is found, but at a certain item that requires judgmentthrough a visual check to the result, the following screen is displayedfor the key entry.
Example display
### Syscon Diagnosis ###
Diag All CheckNo.2 Version
2-3. ROM Check SumCheck Sum = xxxx
Press NEXT Key to ContinuePress PREV Key to Repeat
For the ROM Check, the check sum calculated by the Syscon isoutput, and therefore you must compare it with the specified valuefor confirmation.Following the message, press the [NEXT ] button to go to thenext item, or press the [ PREV] button to repeat the sameoperation again.To quit the diagnosis and return to Check Menu screen, press the[RETURN] key on the remote commander to display Check Menu.
Error occurredIf an error occurred, the diagnosis is suspended and error is displayed.Press the [RETURN] key on the remote commander to quit thediagnosis, or press the [ PREV] button to repeat the same checkwhere an error occurred, or press the [NEXT ] button to continuethe check from the item next to faulty item.
General Description of Checking MethodSelecting 2 and subsequent items calls the submenu screen of eachitem. And selecting 2 and subsequent items executes respectivemenus and outputs the results.For the contents of each submenu, see Check Items List as below.
Check Items List:0-2. Version
0-2-1. All0-2-2. Revision0-2-3. ROM Check Sum0-2-4. Model Type0-2-5. Region
0-3. EEPROM Check0-3-1. Sampling Check0-3-2. Detail Check
0-4. GP I/O Check0-5. SD Bus Check0-6. Video Check
0-2. Version0-2-2. Revision
The revision number of ROM (IC206) that the programfor the DVD system processor (IC207) is stored.
0-2-3. ROM Check SumCheck sum is calculated.(4 digits hexadecimal number)
0-2-4. Model TypeModel name is displayed. (DHC-NXMXX)
>
.
>
.
DVD OSD Test Mode
20
HCD-NXM4D
0-2-5. RegionModel destination code is displayed. (2 digits number)
0-3. EEPROM Check0-3-1. Sampling Check
EEPROM check at every 64 words.It compares read data with write data of each address.When there are discrepancies between two data, it displayserror.
0-3-2. Detail CheckEEPROM check at every 1 word.It compares read data with write data of each address.When there are discrepancies between two data, it displayserror.
0-4. GP I/O CheckPull up/down setting check of the DVD system processor (IC207)pin 150, 151 and 154 (for clock setting port).
0-5. SD Bus CheckSD bus data check between DVD decoder (IC701) and D-RAM(IC706).
0-6. Video CheckOutput the color bars for video level adjustment.
1. DRIVE AUTO ADJUSTMENTOn the Test Mode Menu screen, press the [1] key on the remotecommander, and the Adjustment Menu will be displayed.
Use DVD reference disc unless othermise indicated.[DVD reference disc]
LUV-P01 (4-999-032-01) (CD)TDV-540C (J-2501-235-A) (DVD-DL) TDV-520CSO (J-2501-236-A) (DVD-SL)
## Drive Auto Adjustment ##Adjustment Menu
0. ALL 1. DVD-SL 2. CD 3. DVD-DL
Exit: RETURN
Normally, [10/0] is selected to adjust DVD (single layer), CD andDVD (dual layer) in this order. But, individual items can be adjustedfor the case where adjustment is suspended due to an error. In thismode, the adjustment can be made easily through the operationfollowing the message displayed on the screen.The disc used for adjustment must be the one specified foradjustment.
1-0. ALLPress the [10/0] key on the remote commander, and the servo setdata in EEPROM will be initialized. Then, 1. DVD-SL disc, 2. CDdisc and 3. DVD-DL disc are adjusted in this order.Each time one disc was adjusted, it is ejected. Replace it with thespecified disc following the message. You can finish the adjustmentby pressing the [RETURN] button on the remote commander.
Note: During adjustment of each disc, the measurement for disc type judg-ment is made. As automatic adjustment does not judge the disctype unlike conventional models, take care not to insert wrong typediscs. Also, do not give a shock during adjustment.
1-1. DVD-SL (single layer)Press the [1] key on the remote commander and insert a DVD singlelayer disc following the message. Then the adjustment will be madethrough the steps below, then adjusted values will be written to theEEPROM.
DVD Single Layer Disc Adjustment Steps:1. Sled reset2. Disc check memory SL3. Wait 300 msec4. Set disc type SL5. LD on6. Spindle start7. Wait 1 sec8. Focus servo on 09. Auto track offset adjust10. CLVA on11. Wait 500 msec12. Tracking on13. Wait 1 sec14. Sled on15. Check CLV on16. Auto focus offset adjust17. Auto focus gain adjust18. Auto focus offset adjust19. EQ boost adjust20. Auto track gain adjust21. All servo stop22. EEP copy loop filter offset
1-2. CDPress the [2] key on the remote commander and insert a CD discfollowing the message. Then the adjustment will be made throughthe steps below, then adjusted values will be written to the EEPROM.
CD Adjustment Steps1. Sled tilt rest2. Disc check memory CD3. Wait 500 msec4. Set disc type CD5. LD on6. Spindle start7. Wait 500 msec8. Focus servo on 09. Auto track offset adjust10. CLVA on11. Wait 500 msec12. Tracking on13. (TC display start)14. Wait 1 sec15. Sled ON16. Check CLV on17. Auto focus offset adjust18. Auto focus gain adjust19. Auto focus offset adjust20. EQ boost adjust21. Auto track gain adjust22. All servo stop
21
HCD-NXM4D
In using the manual operation menu, take care of the followingpoints. These commands do not provide protection, thus requiringcorrect operation. The sector address or time code field is displayedwhen a disc is loaded.
Note:1. Set correctly the disc type to be used on the Disc Type
screen.
2. In case of an alarm, immediately press the x button tostop the servo operation, and press the +/1 button toturn the power off.
Basic operation:(controllable from front panel or remote commander) +/1 : Power OFF (release the Test Mode) x : Servo stop Z : Stop and eject/Loading[RETURN] : Return to Operation Menu or Test
Mode Menu[ PREV], [NEXT ] : Transition between sub modes of menu[1] to [9], [10/0] : Selection of menu itemsCursor o / O : Increase/Decrease in manually
adjusted value
2-1. Disc Type
Disc Type
Disc Type Select
1. Disc Type Auto Check 2. Set Disc Type DVD 3. Set Disc Type CD 4. Set Disc Type Hybrid
Exit: RETURN
2-1-1. Disc Type Auto Check1) Press the [1] key on the remote commander to display the Disc
Type Auto Check screen.2) Insert a disc and press the [ENTER] key on the remote
commander.3) It judges the type of inserted disc automatically and displays
the disc type and so on as below.
Disc Type Auto Check
Disc Type xx Layer xx Mirr Time xx Mirr Count xx FZC Count xx PI Reference xx PI Peak xx
ENTER.Execute
Exit: RETURN
Disc Type : CD, DVD or Hybrid (SACD)Layer : SINGLE, DUAL or HYBRIDMirr Time : Mirror time of between disc surface and record
surface when disc type judgment. (hexadecimal number)
1-3. DVD-DL (dual layer)Press the [3] key on the remote commander and insert a DVD duallayer disc following the message. Then the adjustment will be madethrough the steps below, then adjusted values will be written to theEEPROM.
DVD Dual Layer Disc Adjustment Steps:1. Sled tilt reset2. Disc check memory DL3. Wait 500 msec4. Set disc type DL5. LD on6. Spindle start7. Wait 1 sec
Layer 1 Adjust8. Focus servo on 09. Auto track offset adjust10. CLVA on11. Wait 500 msec12. Tracking on13. Wait 500 msec14. Sled on15. Check CLV lock16. Auto loop filter offset adjust, Auto focus adjust17. Auto focus gain adjust18. Auto focus offset adjust19. EQ boost adjust20. Auto loop filter offset adjust21. Auto Track Gain Adjust
Layer 0 Adjust22. Focus jump (L1 t L0)23. Auto track offset adjust L024. CLVA on25. Wait 500 msec26. Tracking on27. Wait 500 msec28. Sled on29. Check CLV lock30. Auto Focus Adjust31. Auto focus gain adjust32. Auto focus offset adjust33. EQ boost adjust34. Auto track gain adjust35. All servo stop
2. DRIVE MANUAL OPERATIONNote: This mode is used for design, and not used in service fundamen-
tally.
On the Test Mode Menu screen, press the [2] key on the remotecommander, and the Operation Menu will be displayed. For themanual operation, each servo on/off control and adjustment can beexecuted manually.
## Drive Manual Operation ##Operation Menu
1. Disc Type 2. Servo Control 3. Track/Layer Jump 4. Non EEPROM Write Adjust 5. EEPROM Write Adjust 6. Memory Check 7. Disc Check Memory 8. Error Rate Display 9. SACD Water Mark
Exit: RETURN
>.
22
HCD-NXM4D
Mirr Count : The number of times which mirror counts between disc surface and record surface when disc type judging.
FZC Count : The number of times which focus zero cross points of each layer when lens down.
PI Reference : The average of PI reference voltage. (hexadecimal number)
PI Peak : PI peak level voltage. It performs only when disc type judgment is successful. (hexadecimal number)
2-1-2. Disc Type DVDIt sets up so that it may judge as a disc type of specification of thedisc with which the set was inserted.
[1]: DVD single layer disc (12 cm)[2]: DVD dual layer disc (0 layer, 12 cm)[3]: DVD dual layer disc (1 layer, 12 cm)[4]: DVD-RW disc (12 cm)[5]: DVD single layer disc (8 cm)[6]: DVD dual layer disc (0 layer, 8 cm)[7]: DVD dual layer disc (1 layer, 8 cm)[8]: DVD-RW disc (8 cm)
2-1-3. Disc Type CDIt sets up so that it may judge as a disc type of specification of thedisc with which the set was inserted.
[1]: CD disc (normal speed, 12 cm)[2]: CD disc (double speed, 12 cm)[3]: CD disc (normal speed, 8 cm)[4]: CD disc (double speed, 8 cm)[5]: CD-RW disc (normal speed, 12 cm)[6]: CD-RW disc (double speed, 12 cm)[7]: CD-RW disc (normal speed, 8 cm)[8]: CD-RW disc (double speed, 8 cm)
2-1-4. Disc Type HybridIt sets up so that it may judge as a disc type of specification of thedisc with which the set was inserted.
[1]: SACD Hybrid disc (SACD layer, 12 cm)[2]: SACD Hybrid disc (CD layer, normal speed, 12 cm)[3]: SACD Hybrid disc (CD layer, double speed, 12 cm)[4]: SACD Hybrid disc (SACD layer, 8 cm)[5]: SACD Hybrid disc (CD layer, normal speed, 8 cm)[6]: SACD Hybrid disc (CD layer, double speed, 8 cm)
2-2. Servo ControlNote: Be sure to perform the disc type setup before performing this item.
Servo Control 1.LD off R.Sled FWD 2.Focus off L.Sled REV 3.SPDL off U.Sled Reset 4.CLVA off D.Sled Limit 5.Trk. off 6.Sled off 7.Fcs.Srch off
0.All Servo Off
Exit: RETURN
On this screen, the servo on/off control necessary for replay isexecuted. Normally, turn on each servo from 1 sequentially andwhen CLVA is turned on, the usual trace mode becomes active. Inthe trace mode, DVD sector address or CD time code is displayed.This is not displayed where the spindle is not locked.The spindle could run overriding the control if the spindle system isfaulty or RF is not present. In such a case, do not operate CLVA.
[1] LD : Turn on/off the laser.[2] Focus : Search the focus and turn on the focus.[3] SPDL : Turn on/off the spindle.[4] CLVA : Turn on/off normal servo of spindle servo.[5] Trk. : Turn on/off the tracking servo.[6] Sled : Turn on/off the sled servo.[7] FCS. Srch : Turn on/off the focus search.[10/1] : All servo off.[R] Sled FWD (right cursor) : Move the sled forward.[L] Sled REV (left cursor) : Move the sled reverse.[U] Sled FWD (up cursor) : Reset the sled.[D] Sled REV (down cursor) : Limit in the sled.
2-3. Track/Layer Jump
Track/Layer Jump 1. 1Tj FWD 2. 1Tj REV 3.500Tj Fine FWD 4.500Tj Fine REV 5.10kTj Dirc FWD 6.10kTj Dirc REV 7.20kTj Dirc FWD 8.20kTj Dirc REV
0. All Servo Off
Exit: RETURN
On this screen, track jump, etc. can be performed. Only for the DVDdual layer disc, the focus jump and layer jump are displayed in theright field
[1] 1Tj FWD : 1 track jump forward.[2] 1Tj REV : 1 track jump reverse.[3] 500Tj FWD : 500 track jump (fine search)forward.[4] 500Tj REV : 500 track jump (fine search) reverse.[5] 10kTj FWD : 10k track jump (direct search) forward.[6] 10kTj REV : 10k track jump (direct search) reverse.[7] 20kTj FWD : 20k track jump (direct search) forward.[8] 20kTj REV : 20k track jump (direct search) reverse.[10/0] : All servo off.
2-4. Non EEPROM Write Adjust
Non EEPROM Write Adjust
1. Focus Offset 2. Focus Gain 3. Trk. Offset Coarse 4. Trk. Offset Fine 5. Trk. Gain 6. EQ Boost
0.All Servo Off
Exit: RETURN
On this screen, each item can be adjusted manually. Select the desirednumber [1] to [10/0] from the remote commander, and current setting forthe selected item will be displayed, then increase or decrease numericvalue with the O key or o key. If CLV has been applied, the jitter isdisplayed for reference for the adjustment.
23
HCD-NXM4D
[1] Focus Offset : Adjusts focus offset.[2] Focus Gain : Adjusts focus gain.[3] TRK. Offset coares :
Adjusts tracking offset of the RF amp (IC001) side.
[4] TRK. Offset fine : Adjusts tracking offset of the DSP (IC401) side.
[5] TRK. Gain : Adjusts track gain.[6] EQ Boost : Adjusts amount of boost of equalizer.[10/0] : All servo off.
2-5. EEPROM Write Adjust
EEPROM Write Adjust
1. Focus Offset 2. Focus Gain 3. Trk. Offset Coarse 4. 5. Trk. Gain 6. EQ Boost
0.All Servo Off
Exit: RETURN
On this screen, each item can be adjusted automatically. Select thedesired number [1] to [10/0] from the remote commander, andselected item is adjusted automatically.
[1] Focus Offset : Adjusts focus offset.[2] Focus Gain : Adjusts focus gain.[3] TRK. Offset coarse :
Adjusts tracking offset of the RF amp (IC001) side.
[5] TRK. Gain : Adjusts track gain.[6] EQ Boost : Adjusts amount of boost of equalizer.[10/0] : All servo off.
2-6. Memory CheckDisplay images are shown as follows, and all two screens are ableto switch by the O key (UP) or o key (DW).
EEPROM Data 1/2 CD SL L0 L1Focus Gain xx xx xx xxTrk. Gain xx xx xx xxFocus Offset xx xx xx xxTrk. Offset xx xx xx xxEQ. Boost xx xx xx xxPI Level xx xx -- --Fcs. Balance -- xx -- --Jitter xx xx xx xxMirror Time xx xx xx --FE Level -- xx -- --Traverse Lv1. -- xx -- --Next:DW Default:CLR Exit:RET
EEPROM Data 2/2 CDRW DVDRWFocus Gain xx xxTrk. Gain xx xxFocus Offset xx xxTrk. Offset xx xxEQ. Boost xx xx
Prev:UP Default:CLR Exit:RET
On this screen, current servo adjusted data stored in the EEPROMare displayed. The adjusted data are initialized by pressing the[CLEAR] key, but be careful that they are not recoverable afterinitialization.Before clearing the adjusted data, make a note of the set data. Thisscreen will also appear if [0]-All is selected in the Drive AutoAdjustment. In this case, default setting cannot be made.
2-7. Disc Check Memory
Disc Check Memory
1. SL Disc check 2. CD Disc check 3. DL Disc check
Exit: RETURN
On this screen, measure the mirror time of chucked disc, and writeto the EEPROM.
2-8. Error Rate Display
Error Rate DisplayUC CR Address
PI1 Err Now xx xxxx xxxxxxxxMax xx xxxx xxxxxxxxAvg xx xxxx
PI2 Err Now xx xxxx xxxxxxxxMax xx xxxx xxxxxxxxAvg xx xxxx
PO Err Now xx xxxx xxxxxxxxMax xx xxxx xxxxxxxxAvg xx xxxx
START: ENTER STOP: RETURN
On this screen, measure and display the error rate.
UC : Incorrect valueCR : Correct valueAdd : Address
24
HCD-NXM4D
2-9. SACD Water Mark Check (Not used)
SACD Water Mark Check
PSP AMP PSN
Adjust Error Failed Start: ENTER Stop: RETURN
On this screen, measure the PSP AMP value and PSN value of SACDwater mark.
3. MECHA AGINGOn the Test Mode Menu screen, selecting [3] executes the aging ofthe mechanism deck.
## Aging Test MENU ##
** Pls use over 40min. CD **Operation Menu
1. Open/Close Test
Exit: RETURN
1) On the Aging Test MENU screen, press the [1] key on theremote commander to display the Open/Close Test screen.
2) Insert discs and press the [ENTER] key on the remotecommander.
3) Is starts the aging.During aging, the disc number, operating status and repeatcycle are displayed. Aging can be aborted at any time bypressing the [RETURN] key. After the operation is stopped,press the [RETURN] key to return to the Aging Test MENU.
4. EMERGENCY HISTORYOn the Test Mode Menu screen, selecting [4] displays theinformation such as servo emergency history.The history information from last 1 up to 10 can be scrolled withthe O key or o key. Also, specific information can be displayedby directly entering that number with ten keys.
### EMG. History ###
Laser Hours CD xxxxhxxmDVD xxxxhxxm
a. bb xx xx xx xx xx xx xxxx xx xx xx xx xx xx xx
a. bb xx xx xx xx xx xx xxxx xx xx xx xx xx xx xx
Select:1-9 Scroll:UP/DOWN (1.Latest EMG.) Exit: RETURN
xxxxhxxm : The laser on total hours. Data below minutes are omitted.
a. : Error number.bb : Error code.xx : Not used.
Clearing History InformationClearing laser hours:
Press the [DVD DISPLAY] and [CLEAR] keys in this order.Then both CD and DVD data are cleared.
Clearing emergency history:Press the [DVD TOP MENU] and [CLEAR] keys in this order.
Initializing set up data:Press [DVD MENU] and [CLEAR] keys in this order.The data have been initialized when EEPROM InitializeFinished message is displayed. Code list of Emergency History
10 : Communication to RF AMP (IC001) failed.11 : Each servo for focus, tracking, and spindle is unlocked.12 : Check sum error of EEPROM (IC204).14 : Communication to servo DSP (IC509) failed, or servo
DSP (IC509) is faulty.15 : Communication to DVD decoder (IC701) failed, or DVD
decoder (IC701) is faulty.16 : Communication to DSD decoder (IC801) failed, or DSD
decoder (IC801) is faulty. (Not used)20 : Initialization of sled servo failed. It is not placed in the
initial position.23 : Sled servo operation error.24 : Made a request to move the sled servo to wrong position.30 : Tracking balance adjustment error.31 : Tracking gain adjustment error.33 : Focus bias adjustment error.34 : Focus gain adjustment error.35 : Equalizer adjustment error.40 : Focus servo does not operate.41 : With a DVD dual layer disc, focus jump failed.50 : CLV (spindle) servo does not operate.51 : Spindle does not stop.60 : Made a request to seek nonexistent address.61 : Seek error of retry more than regulated times.70 : Control data could not be read.80 : Disc reading failed.
5. MECHA ERROR HISTORYOn the Test Mode Menu screen, selecting [5] displays theinformation of mechanism deck error history.The history information from last 1 up to 8 can be scrolled withthe O key or o key.
### Mecha Error History ###
1. xx xx xx xx xx xx xx xx 2. xx xx xx xx xx xx xx xx 3. xx xx xx xx xx xx xx xx 4. xx xx xx xx xx xx xx xx 5. xx xx xx xx xx xx xx xx 6. xx xx xx xx xx xx xx xx 7. xx xx xx xx xx xx xx xx 8. xx xx xx xx xx xx xx xx
Scroll:UP/DOWN(1.Latest Err.) Exit: RETURN
25
HCD-NXM4D
aa: Initialization is completed or not.FF : Complete.
other number : Not complete.bb: Operating status of mechanism deck at an error occurred.
(lod sq jcp)00 : Initializing.10 to 15 : Open operating.16 to 19 : Kicking cause open failed.1A to 1F : Open operating.20 to 27 : Complete the open operation.28 : No disc and complete the open operation.29 to 2F : Complete the open operation.30 to 3F : Close requesting.40 to 4F : Open requesting.50 to 5F : Close operating.60 to 6F : Complete the chucking operation.80 to 8F : Complete the release operation.
(BU is home position)90 to 9F : BU down operating.A0 to AF : Opening/closing the shutter. Or stationary state
in open/close the shutter is enablement.B0 to BF : BU up requesting.C0 to CF : BU down requesting.D0 to DF : BU upping.E0 to EF : No disc checking in disc loading.
cc : Operating status of table at an error occurred. (tbl sq jcp) 13 : The rotation stop position determination error of a table 11 to 12 : The loading position determination error of a table
dd: Operating status of mechanism deck at an error occurred. (lod OP jcp)
00 : Complete the operation.10 to 1F : Open operating.20 to 2F : Close operating.30 to 3F : Release operating.60 to 6F : Chucking operating.70 to 7F : Kicking operating.80 to 8F : Returning the BU to home position. (after kicking)
ee : The status of table operation. (n is unfixed) (tbl op jcp) 1n : Rotating in the direction of a forward. 2n : Rotating in the direction of a reverse.
6. VERSION INFORMATIONOn the Test Mode Menu screen, selecting [6] displays the ROMversion and region code.The parenthesized hexadecimal number in version field is checksumvalue of ROM.
## Version Information ##
IF con. Ver.x. xx
SYScon. Ver.x. xx (xxxx)Model DHC-NXMXXRegion 0xConfig xxxxxxxx
xxxxxxxx Front End Ver.x.xx
Exit: RETURN
IF con. : The version of system controller (IC501).SYScon. : The version of DVD system processor (IC207).Front End : The version of mechanism controller (IC901).
7. VIDEO LEVEL ADJUSTMENT
On the Test Mode Menu screen, selecting [7] displays color bars forvideo level adjustment. During display of color bars, OSD disappearsbut the menu screen will be restored if pressing the [RETURN] key.
26
HCD-NXM4D
SECTION 5MECHANICAL ADJUSTMENTS
SECTION 6ELECTRICAL ADJUSTMENTS
Precaution1. Clean the following parts with a denatured alcohol-moistened
swab:record/playback heads pinch rollerserase head rubber beltscapstan idlers
2. Demagnetize the record/playback head with a headdemagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.4. After the adjustments, apply suitable locking compound to
the parts adjusted.5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
Torque Measurement
3.06 N m to 6.96 N mFWD CQ-102C 31 to 71 g cm
(0.43 0.98 oz inch)
FWD0.19 N m to 0.58 N m
back tensionCQ-102C 2 to 6 g cm
(0.02 0.08 oz inch) 3.06 N m to 6.96 N m
REV CQ-102RC 31 to 71 g cm(0.43 0.98 oz inch)
0.19 N m to 0.58 N mREVCQ-102RC 2 to 6 g cmback tension
(0.02 0.08 oz inch)6.96 N m to 14.02 N m
FF/REW CQ-201B 71 to 143 g cm(0.98 1.99 oz inch)
9.80 N mFWD tension CQ-403A 100 g or more
(3.53 oz or more)9.80 N m
REV tension CQ-403R 100 g or more(3.53 oz or more)
Mode Torque meter Meter reading
0 dB=0.775 VDECK SECTION
1. Demagnetize the record/playback head with a headdemagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.3. After the adjustments, apply suitable locking compound to the
parts adjust.4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.5. The adjustments should be performed in the order given in
this service manual. (As a general rule, playback circuitadjustment should be completed before performing recordingcircuit adjustment.)
6. The adjustments should be performed for both L-CH and R-CH.
7. Switches and controls should be set as follows unless otherwisespecified.
Test Tape
RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT
DECK A DECK B
Note: Perform this adjustments for both decksProcedure:
1. Mode: Playback
Tape Signal Used forP-4-A100 10 kHz, 10 dB Azimuth Adjustment
set
MAIN boardCN304Pin 1 (L-CH)Pin 3 (R-CH)
MAIN boardCN304Pin 2 (GND)
+
level meter
test tapeP-4-A100(10 kHz, 10 dB)
27
HCD-NXM4D
2. Turn the adjustment screw and check output peaks. If the peaksdo not match for L-CH and R-CH, turn the adjustment screwso that outputs match within 1dB of peak.
3. Mode: Playback
4. After the adjustments, apply suitable locking compound tothe pats adjusted.
Adjustment Location: Playback Head (Deck A).Record/Playback/Erase Head (Deck B).
Screwposition
L-CHpeak
within1dB
Outputlevel
L-CHpeak
R-CHpeak
within1dB
Screwposition
R-CHpeak
MAINboardCN301set
test tapeP-4-A100(10 kHz, 10 dB)
pin 3
oscilloscopeL-CH
R-CH
V H
waveform of oscilloscope
in phase 45 90 135 180good wrong
pin 2pin 1
L
R
forwardreverse
VIDEO SECTION
Note :1. DBM07 board is basically designed to operate without adjust-
ment. Therefore, check each item in order given.2. Use DVD reference disc unless othermise indicated.
[DVD reference disc] LUV-P01 (4-999-032-01) (CD)TDV-540C (J-2501-235-A) (DVD-DL) TDV-520CSO (J-2501-236-A) (DVD-SL)
3. Use an oscilloscope with more than 10M impedance.4. Clean the object lens by an applicator with neutral detergent
when the signal level is low than specified value with thefollowing checks.
Video Level Check (DBM07 BOARD)PurposeThis adjustment is made to satisfy the NTSC standard, and if notadjusted correctly, the brightness will be too large or small.
Procedure:1. Connect oscilloscope to VIDEO output.2. Load a DVD reference disc playback.3. Check the video signal level is 1.000.05Vp-p.
J1102VIDEO OUTPUT
75
Oscilloscope
set
1.00 0.05 Vp-p
(WHITE 100%)
RE-ADJUSTMENT OF THE SERVO CIRUITThe re-adjustment of the servo circuit is necessary whenthe part which relates to the servo circuit is replaced.Referring to 1. DRIVE AUTO ADJUSTMENT (see page 20).Choose ALL and do the re-adjustment of each item ofDVD-SL, CD and DVD-DL.
THE PART THAT THE RE-ADJUSTMENT OF THE SERVO CIRCUIT IS NECESSARY.
1. Optical pick-up2. RF AMP (IC001)3. DSP IC (IC509)4. Motor driver IC (IC501)5. EEPROM (IC204)
28
HCD-NXM4D
RFMON Level CheckPerform a RFMON level check before exchanging optical pick-up.Connection:
RFMON signal waveform
Standard value
Test Disc RFMON levelStandard Value
DVD TDV-520CSO 1.090.2Vp-p(J-2501-236-A)CD LUV-P01 1.050.2Vp-p(4-999-032-01)
VOLT/DIV: 200 mVTIME/DIV: 500 ns
RFMON level
RR
C042R013
RC034
C036C035
C033C012
R031
C051
IC001
32
33 16
17
+
JL005(RFMON)
oscilloscope
RF board (side B)
JL005(RFMON)
VC
29
HCD-NXM4D
SECTION 7DIAGRAMS
7-1. CIRCUIT BOARD LOCATION
FRONT AMP boardHP board
VOL board
DISC SW board
PANEL board
MAIN board
switching regulator
SUR AMP board
RF boardENCODER board
SENSOR board
MOTOR board
SW(1) board
SW(2) board
RELAY board
VIDEO board
DMB07 board
30
HCD-NXM4D
For schematic diagrams.Note: All capacitors are in F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolyticsand tantalums.
All resistors are in and 1/4
W or less unless otherwisespecified.
f : internal component. 2 : nonflammable resistor. 5 : fusible resistor.
C : panel designation. A : B+ Line. B : B Line. H : adjustment for repair. Voltages and waveforms are dc with respect to ground
under no-signal conditions.RF, DMB07, VIDEO boards section
no mark: DVD PLAYOther board section
no mark: TUNER (FM/AM)( ) : DVD PLAY< >: TAPE REC[ ]: TAPE PLAY
* : Impossible to measure Voltages are taken with a VOM (Input impedance 10 M).
Voltage variations may be noted due to normal produc-tion tolerances.
Waveforms are taken with a oscilloscope.Voltage variations may be noted due to normal produc-tion tolerances.
Circled numbers refer to waveforms. Signal path.F : TUNER (FM/AM)E : TAPE PLAY (DECK A)d : TAPE PLAY (DECK B)G : RECORDJ : DVD PLAYN : MIC INPUT
AbbreviationE2 : 120V AC Area in E modelE3 : 240V AC Area in E modelEA : Saudi Arabia mdoelE15 : Iran modelSP : Shingapore modelMY : Malaysia modelAUS : Australian mdoelTH : Thai model
Note: The components identified by mark 0 or dotted linewith mark ! are critical for safety.Replace only with part number specified.
(The other layers' patterns are not indicated.)
Indication of transistor.
AbbreviationE2 : 120V AC Area in E modelE3 : 240V AC Area in E modelEA : Saudi Arabia mdoelE15 : Iran modelSP : Shingapore modelMY : Malaysia modelAUS : Australian mdoelTH : Thai model
Caution:Parts face side: Parts on the parts face side seen from(Side A) the parts face are indicated.Pattern face side: Parts on the pattern face side seen from(Side B) the pattern face are indicated.
C
BThese are omitted.
EQ
B
These are omitted.
C E
Q
B
These are omitted.
C E
Q
Note on Printed Wiring Boards: X : parts extracted from the component side. : Pattern from the side which enables seeing.
HCD-NXM4D
3131HCD-NXM4D
7-2. BLOCK DIAGRAM DVD DSP (1/2) SECTION
R-ch is omitted due to same as L-ch. Signal pathJ : DVDF : AUDIO
OPTICAL PICK-UPBLOCK(DBU-3)
A +5V
Q001
RF1
2
4
5
RF AC
TXD
RXD
CN901(RS232C)
IC001DVD/CD RF AMP
VC
CD A16CD B15CD C
SDEN
PI/CE
DATA RFCLK RF
MIRR
FFDR
AVC
FRDR
TFDRTRDR
SPIN
1413171820
1
21
CD D
A12B11C10
9 D
CD FCD E
DVD LD
A23B24C25
6 D2
DVDLD
PD
FCS+FCS-
TRK+TRK-
SW
DVDRFP
INLIM
IC501MOTOR/COIL DRIVE
36DO1-DO1+
DO2+
DO2-
DO3+DO3-DO4+DO4-
37
3435
32
19202122
30
DO5+27
IN6-46
IN6+47
29
DO5-28
31
481
40
34
10
7
13
3132
44
SLEDMOTOR
SPINDLEMOTOR
IN1+
IN1-
IN2+
IN2-
IN3-
IN4-
39POWERSAVE
IN5-
AVC AVC
45OUT6
SPO
SLED
_B
62
FG
7
FCS_
JMP_
1
8
FCS_
JMP_
2
61 8180
SLED RT
D
TXD
26
SCOR
CDSP
2
6
MNT
1
22
INIT
0_DV
D
23
INIT
1_DV
D
84XW
R85
XRD
12XC
S_DV
D25
XRST
_188
2
14-21D0-D7A8
89-96A0-A7
52
SQSO
54
SQCK
SLED
_A
TRDRTFDR
3334 FRDR
FFDR
IC901(1/2)MECHANISMCONTROLLER
57RFAC
321
4
MEVOIC003
OP AMP
31MIN
40FE
VC
VCC
BADCE
F
RF
DSP
GND
39TE
42
36
MNTR
VI25
39 FE
41 TE40 SE
434238
RFDCCEVC
RFIN
48SDEN47SDATA46SCLK
2
SDEN
40 XTALX901
20MHz 41 EXTAL
83
SDAT
A_RF
82
SDCL
K_RF
27MIRR
26LDON LDON
HDB-DATA
ANALDG-IN-L
INT/EXT
BCKLRCKXCK
XSRQ
XSAK#
SDEF#
XDCK#
I/O0-I/O15
768FS-2768FS-1
IC70616M DRAM
A0-A11
IC701DVD DECODER
IC509CD DECODERSERVO DSP
MDB0-MDB9,MDBA-MDZBF
MA0-MA9/MNT0
XMWR WEXRAS RASXMOE OEXCAS
MA11/MNT2
D0-D7 A0-A7
UCASLCAS
ANALDG-IN-R
SLEDA+SLEDA-SLEDB+SLEDB-
SPDL+
SPDL-
12
16
Q901
LDDRIVE
22 CD LD
23 DVDPD24 CDPD
CDLDLD GND
M
M
66
PI
50 RFAC
65LRCK66PCMD67BCK
71XTAI
69XTSL
76
SQSO
77
SQCK
79SBSO80EXCK
4
DATA
5
XLAT
6
CLOK
7
SENS
8
49 27 50 9 72
SCLK
DATA
_CD
LAT_
CDCL
OK_C
DSE
NS_C
DSC
LK_C
D
71
GFS_
CD
30
COUT
_CD
74
FOK_
CD
75
LOCK
_CD
31
INLI
M
10WFCK
13
GFS
14C2PO15SCOR17
45WDCK
21DFCT
19
COUT
22
FOK
24
LOCK
768F
S
25MDP
26
SSTP
MUT
E12
MUT
E34
MUT
E5TS
D-M
29576
SFDR30 SRDR
28
LDON
20 MIRR
76
LDSE
L
73
TSD-
M
63
SP_O
N
60
MUT
E_2D
43
135
164
MDIN2137
MDIN1138
MDSOUT142
117
LRCK163
65
TE
67
FE
29
MIR
R
Q002LD
DRIVE
IC503AMP
5 SDASCLWP
SDA_EEPSCL_EEPWP_EEP 7
65
99100
IC903EEPROM
IC703(1/2)AMP
IC703(2/2)AMP
MDAT160
APE0109 GFS 107
170
BCLK158SBIN148EXCK147
3
MUT
E
59
MUT
E_CD
2XR
ST
98
XDRS
T
WFCK151C2PO155SCOR150GSCORDFCT
146
46HDRQ
XSAK
HDB0
HDB7
HDB8
XDCK
XSAK#
SDEF#
XDCK#
AV7AV0AV1AV2AV6
XSAK#SDEF#XDCK#
INVERTER
48XHWR
XSAKXDCK
53XHACXSRQXSRQ
26HDB8 SDEF
XTL1
45
SCK_
DSD
58
GFS_
DVD
64
JIT
3
DOCT
RL/IS
BTES
T63
MD2
76
172-1761,2,4
5,7,9-14
17187833943435
95
XRD
17
XWR
18
XCS
19
XINT
0
20
XINT
1
21
HDB0-HDB7
MA10/MNT1 92
93
44,41,39,3532,30,27,24
66-69,71,73-75,
96,97,99,101,102,104-106
2-5,7-10,
41-44,46-49
79,80,82-87,89,91
21-24,27-32,20,19
8 8
XRST
XRST
B
A DVD DSP (2/2)SECTION(Page 32)
H MAINSECTION(Page 34)
DRV
DRV
DRV
DRV
42
43
DVD DSP (2/2)SECTION(Page 32)
10 97
-
-
2
9
-ID
8D
-1Q
8Q
-19
12
OE
IC256 DATA LATCH
IC258 DATA LATCH
IC259 DATA LATCH
Q201
R-CH
IC352 A/D CONVERTER
R-CH
L-CH
AVO-AV7
1
OE
OE
2 1D
3 2D
4 3D
191Q
182Q
173Q
1
191Q8 7D
7 6D9 8D
182Q171615141312
3Q4Q5Q6Q7Q8Q
151 VINL DOUT
2 VINR
ADC DATA
LRCKBCK
14 BCK13 LRCK
16 SYSCK
1
HCD-NXM4D
3232HCD-NXM4D
7-3. BLOCK DIAGRAM DVD DSP (2/2) SECTION
Signal pathJ : DVDg : VIDEO
M-REQVMUTEVIDEO SWSYS RESET
I2C-CLK I/O
I2C-DATA
IC901 (2/2)MECHANISMCONTROLLER
131VDAC 0 VI/P SW
CY
CB/RCR/B
I2C-DA
D +3.3V
I2C-CL
125VDAC 2128VDAC 1
122VDAC 3
7-9
12-19
119
HA1-22
HA4-22
HA1-3
HA1-3
HAD0
-15
VDAC 4WIDE107VS
190ALE195HCS025WEH.UDS27HREAD
IC207DVD SYSTEM PROCESSOR
IC231,232,233ADDRESS LATCH
184
HIRQ
1DR
VIRQ
36
191
RST_
SPC
RST
38
DRVR
DY
37
161
I2C
DAI2
C_SI
O
78
160
I2C
CLI2
C_SC
L
79
202
RESE
T
185
DRVC
LKSC
K_ZI
VA
35
186
DRVT
XSO
_ZIV
A
34
187
DRVR
XSI
_ZIV
A
33
162
CS (Z
IVA_
E2P)
165
WRI
TE_C
TRL
(ZIV
A_E2
P)
116
HIRQ
2
188 DRVRDY
D+3.3VAUDIO+5V
CS_Z
IVA
32
3 MO1SO2SO3
27M768FS768FS768FS-2
768FS-1 1310
IC906CLOCK GENERATOR
IC111SWITCH
6CLR
CKQ3 1
21
4
IC904FF
IC902GATE
5DI4SK3CS1R/B
DOWC 8
6
IC204EEPROM
HDB-DATA
DCKLRCK
XCK
SDEN179X SAK#SDCLK183X DCK#
X SRQ SDREQ178
139XIN
IC203 SDRAM
DQ0-DQ31
A0-A9,A10/AP,NC
MD0-MD31
SDDATA0-SDDATA7,
MA0-MA11
HAD0-HAD15
MDQM0-MDQM3DQM0-DQM3MWEWEMCASCASMRASRASMCS0CS
12
32
8
4
5316,71,28,59
1718 5219 5120 49
BA0BS0 22 48BA1BS1 23
1 3
47MCLKCLK 68 56
CKE 67
57-6064-7175-7881-8488-95
99-102
2-9
2,4,5,7,8,10,11,13,
74,76,77,79,80,82,83,85,31,33,34,36,37,39,40,42,45,47,48,50,51,53,54,56
42-3345,46
22,19-14,11-3
HA1-HA3 2,207,206
177-174171-168
25-2760-6624,21
150DATA0(DM)151DATA1(FLR)154DATA2(SLR)155DATA3(CSW)
149BCK148LRCK147XCK
110MREQMREQ
BCK-1LRCK-1
XCK1
113MDI
108I/P SW
114MC115ML
MDIMCML
MDI
RSTAUDIOD +3.3V
MCML
Q202
1LE
IC302D/A CONVERTER
DATA3DATA2DATA1DATA4BCK
VOUT7
IC392
+3.3VREG.
A3V-2D +5V 1 3
IC907
+3.3VREG.
D +3.3V D +1.8V1 3
IC211
IC502
+1.8VREG.
D +5V A3V-11 3+3.3VREG.
VOUT8DM-LDM-R
SL-INSR-IN
LFE-IN
FL-INFR-IN
C-IN
VOUT1VOUT2
VOUT5
VOUT3VOUT4
VOUT6
LRCKSCKI
47464531404138
1620
1413
10
1211
9
363534
37
62,73,86,97
DATA1DATA0
DATA2DATA3
26
11
CE
DQ0-DQ15
A0-A21
HAD0-15
HAD0-15
11 WE28 OE
IC206RAM
29-36,38-45
25,24,23,22-18,8-1,48,17,16,9,10,13
7XTIX902
27MHz8XTO
D MAINSECTION(Page 34)
BDVD DSP(1/2)SECTION(Page 31)
CMAIN
SECTION(Page 34)
ADVD DSP (1/2)SECTION(Page 31)
23CVBS OUT4 CVBS INCVBS
6 Y-INY/G2 C-INC
12
14
CB-INCB/R
CR-IN
SI
13 MUTE2
3
9
MUTE1
I/P
10 CY-IN
CR/B
25WIDE
I/P SW
Y-OUTC-OUT
2126
IC1101VIDEO AMP/BUFFER
20CY-OUT
18CB-OUT
16CR-OUT
VIDEOOUTVIDEO
J1102
COMPONENTVIDEO OUT
J1103
S VIDEOOUT
J1101C Y
Y
PB/CB
PR/CR
SDERROR182SDEF#
4 3
61
2S-CD
1S-1D
2,5
I/PSWITCHQ1101
HCD-NXM4D
3333HCD-NXM4D
7-4. BLOCK DIAGRAM TUNER/TAPE DECK SECTION
TUNER
Q25,26Q270
R-CHL OUTR OUT
ST-MUTETUNERST-CE
ST D OUTST D INST CLK
STEREO
DECK-A
DECK-B
L
R
HP901
HP901
L
R
HE901
HRP901
HRP901
TAPE
F REC
B SHUTA HALFA PLAYB PLAY
A HALFA PLAYB PLAY
R-RECB HALF
A SHUT
CAPM+
A TRIG+
B TRIG+
R-CH
R-CH
Q303Q314,315
Q301,302Q311-313
Q104Q31,22R-CH
L
R
R-CH
L
R
VIDEO/SAT
MIC1J1060
J1061MIC2
MECHANISM DECK
64
61
66
27
18
505152535455
63
5
10
3
11
REC/PBSWITCH
MUTESWITCH
REC/PBSWITCH
BIASOSC
Q318T301
Q316,317BIAS
REC/PB
BIASSWITCH
TC RECMUTE
12
CAP MDRIVE
Q326,327
Q323,324
Q321,322
IC1060(1/2)
IC1061MIC ECHO
RV1060
A TRIGDRIVE
9091
86
89
87
88
3
29
4
67 468 2669 25
65
58
97100
92
LINE MUTE
A MUTE
ST-MUTETUNEDST-CE
ST-DINST-CLK
B HALF
FDRONT RELAY
57STK-MUTE
56TA MUTE
STBY RELAY
I/O EXP CLK
M16537 CLK
M16537 DATA
SPEC-INVACS INAMS IN
I/O EXP LAT
I/O EXP DATYA INI/O EXP DATA OUT
CLK
DATA
D182
A SHUT
A TRIG
B TRIG
MIC SW
LPF1 INLPF1 OUT
LPF2 OUT
CAPM-CNT1
TC REC MUTE
60 TC REC/PB
59 BIAS
B SHUT
ON/OFF(SWITCHING REGULATOR)
ST-DOUT
8081
19
8
20212223
18
17
9
R-CH
CN102
SURR-L
FL-OUT
AMPSECTION(Page 35)
MAINSECTION(Page 34)
MAINSECTION(Page 34)
AMPSECTION(Page 35)
CN103
Q21,22Q1Q101
FL
SW
FR
SW
DBFB FEED BACKPROTECT
STK MUTEFRONT RELAY
HP SWFAN CTL
SW RELAY
MIC SIG
63
62
71
70
68 67 66 65
7 8 11 53 51
56
50 5948 34 35
R-CH
Q341-343Q103Q29,30
Q140Q33,34
SELECTOR
R-CH
AMSDPL-2
DPL-2
42 41 37
29
R-CH
S2
FL
CLK DATA
CLK DATAEQ
AGC
MD BUSTONE
TRE
AMSMUTE
AMSBUFFER
PB MUTE
LEDSWITCH
LEDSWITCH
AMS-MUTESTEREO
Q1026
D1021
D1001-1005
Q1001-1005
B PLAYA PLAYA HALF
CLK
LED 9V
VCC
LATCHDI 1DO 2
IC951I/O EXPANDER
IC401 (1/2)SYSTEM CONTROL
IC101INPUT SELECT SWITCHELECTRICAL VOLUMEI
HP IN
HALF PLAY
AMS MUTEDISC1
DISC2DISC3DISC4DISC5
PROTECT
24
7SW RELAY
FAN
MUTESWITCH
B TRIGDRIVE
Q401MIC
SWITCH
SURR
UNREG+5V
SWITCHINGREGULATOR
UNREG+12V
AC-IN
MCUI/F
I
E
L
K
SW-OUTM
F
52
IN
OUT
ANALOG-IN-L J
3031
BUFFER
TA MUTE N
RV1061
IC1060(2/2)
Q903.904
REG SW
3
IC901
REG 1
3
IC903
REG 1
AUDIO+9V
Q901
REG
2
5
IC906
REG 1D+3.3V
2
5
IC905
REG 1D+5.5V
M+9V,LED+9V 3
IC902
REG 1
D+3.3V
Q906
REG
DVD+5V
2
4
IC904
REG 1M+12V
Q902
REG SW
G DVD POWER
3 1
MIC LEVEL
ECHO LEVEL
6 7
MAINSCTION
(Page 34)
R-CH
L-OUTR-OUT
MAINSECTION(Page 34)
MAINSECTION(Page 34)
MAINSECTION(Page 34)
MAINSECTION(Page 34)
HH
H
R-ch is omitted due to same as L-ch. Signal pathF : TUNERE : PLAY BACK (DECK A)d : PLAY BACK (DECK B)G : RECORDJ : DVDN : MIC
HCD-NXM4D
3434HCD-NXM4D
7-5. BLOCK DIAGRAM MAIN SECTION
IC401 (2/2)SYSTEM CONTROL
FL-DATAFL-CLKFL-CS
FL-RESET
M61530CLK
DVD POWER
DVD A MUTE
M61530DATA
SIRCD
AD-KEY2
AD-KEY1
JOG2-A
JOG1-A
VOL-A
POWER KEY
DISPLAY KEY
XC-IN
X-OUT
XC-OUT
X-IN
858483
33 LD MTR POSU/D MTR NEGU/D MTR POS
SUB TRAY OUTSUB TRAY INTRAY CLOSE SWTRAY OPEN SW
ST-E1ST-E2ST-E3ST-E4MD-E1MD-E2MD-E3MD-E4D,SENSER
EVER+4V
EVER+4V
4734463545
CDN-MOT-NEG-1(LD)CDN-MOT-POS-1(LD)
CDN-MOT-NEG-2(U/D)CDN-MOT-POS-2(U/D)
CDM-MAIN-SW-OPEN(SW2)CDM-MAIN-SW-CLOSE(SW4)
CDM-SUB-SW-OPEN(SW2)CDM-SUB-SW-CLOSE(SW3)
CDM-ENC-B-3(MDM4)CDM-ENC-B-2(MDM3)
CDM-ENC-B-1(MDM2)CDM-ENC-B-0(MDM1)
CDM-ENC-A-3(STE4)CDM-ENC-A-2(STE3)
CDM-ENC-A-1(STE2)CDM-ENC-A-0(STE1)
DISC SENS
LED-STANDBY
RESET
AC-CUT
48 LD MTR NEG
CLCK
DATADVD POWER
1
2
28
27
3644
43384239
37
414075
REAR RELAY 6
72
12
20
SW MUTE 19 LD/ST MTR POSBU U/D MTR NEGBU U/D MTR POS
SW3 SUB TRAY OUTSW2 SUB TRAY OUT
SW4 SUB TRAY CLOSE OUTSW1 SUB TRAY OPEN OUT
ST-E1ST-E2ST-E3ST-E4
MD-E1MD-E2MD-E3MD-E4
D,SENSER
LD/ST MTR NEG
CN201
ANALOG-IN-R R-CH
R-CH
CN104
RELAYC-INSR-INSL-IN
SURR-R
SURR-L
R-CH
FL-OUT FL-OUT
R-CH
L-OUTR-OUT
ANALOG-IN-L
L-OUT
R-CH
ANALOG-IN-LQ102
DM-L L OUT
DM-R
DM-LDM-R
SL-INC-IN
FR-INFL-IN
SR-INLFE-IN
ANALOG-IN-L
OUTSIRCS
IC1050
41
KEY2-1KEY2-2
S1043S1001-1005
S1051
KEYNETWORK
94
ROTARYENCODER
ROTARYENCODER
ROTARYENCODER
TREBLE 78JOG2-B79
S1050
76JOG1-B77
S1052
S1042
70VOL-B71
74
95
BASS
BASS
X40136.768kHz
X40216MHz
VOLUME
S1021-1027,1029-1031S1032-1036
REMOTECONTROLRECEIVER
KEYNETWORK
S102873DISPLAY
10
11
13
15
82
LEDSWITCH
MUTESW
Q270
MUTESW
Q271
MUTESW
Q272
MUTESW
Q273
MUTESW
Q274
MUTESW
Q275
MUTESW
Q276
MUTESW
Q277
MUTESW
Q25,26
S,WSURR-L
DVDA MUTE
Q1041
D1050
IC391RESET
Q391
3 1LEVEL
DETECT
IC701LD/ST MOTOR DRIVER
9 RINFIN
OUT1M761
(LD/ST)ROTARY
ENCODER(ST U/D)
S781
OUT2742
IC711U/DOTOR DRIVER
9 RINFIN
OUT1OUT27
42
25 SYS RESETVIDEO SWVMUTE
I2C DATAI2C CLK I/O
24232930
DVD MUTE REQDVD SYS RESTDVD VIDEO SW
DVD VIDEO MUTEIIC-CLK
IIC-DATA
26 M-REG
IC1020DISPLAY CONTROL/KEY CONTROL
IC201INPUT ATTENUATOR
LPF, AGC, BASS BOOST
8765
51I
15
321
64I
57
56
55
4
54
GREIDDRIVE
Q1021
GRIDDRIVE
Q1022
55 GRIDDRIVE
Q1023
SDATASCKCSRESET
SEG00I
SEG35
DEG01
FL1020FLUORESCENT
INDICATORTUBE
F1
F2
DEG11
DEG12/SEG36
DEG13/SEG37
DG00
DIG14SEG38
VF1
VP D/D CON+9V
Q1024T801D1023-1026
VF2
VPRECT
BIASOSC
DVD DSP(2/2)SECTION(Page 32)
D
G
L
Q23,24,40
ANALOG INMUTE
37 38
R OUT39
EL OUT34
12
5
FL IN
40
FR IN
41
CIN
2
SL-IN
13
SR-IN
6
SWSW
10
LFE-IN14
15
9
24
11
3
4
25
8
9
23
32
33
22
29
26
SW-LPF
Q3
MUTESW
R-ch
Q21,22
TAMUTE
DATACLOCK
Q19,20
SWMUTE
Q6
SWMUTE
Q4
SW
MUTESW
M
O
TA MUTE
DATA
CLOC
K N 17 18
M
M762(U/D)
MAIN TRAYOPEN/IN
S721
S731
OPEN
CROSE
M
(SUB TRAY OUT)
(SUB TRAY OUT)S761
ROTARYENCODER
(MD)
S771
SENSESWITCH
Q751
D+3.3V
IC751(DISC SENSOR)
DVD DSP(1/2)SECTION(Page 31)
H
DVD DSP(2/2)SECTION(Page 32)
TUNER/TAPEDECK
SECTION(Page 33)
TUNER/TAPEDECK
SECTION(Page 33)
C
J
I
K
TUNER/TAPE DECKSECTION(Page 33)
TUNER/TAPE DECKSECTION(Page 33)
TUNER/TAPE DECKSECTION(Page 33)
AMPSECTION(Page 35)
TUNER/TAPE DECKSECTION(Page 33)
TUNER/TAPE DECKSECTION(Page 33)
R-ch is omitted due to same as L-ch. Signal pathF : AUDIOJ : DVD
HCD-NXM4D
3535HCD-NXM4D
7-6. BLOCK DIAGRAM AMP SECTION
R-ch is omitted due to same as L-ch. Signal pathF : AUDIO
18
19
STKMUTE
SWITCH
8 9
FL
FR
SW
DBFB FEED BACK
CN501
R-CH
STK MUTE
FRONT RELAY
HP SW
FAN CTL
PROTECT
SW RELAY
CN508
FAN
3
2
1
4
10
11
22
21
-VHSUPP
TEMPDETECT
MUTESWITCH
-VH
D501Q507,508
D507
Q854
RELAYDRIVE
Q509
R-CH
R-CH
SL IN
SR IN
C IN
RELAY
R-CH
R-CH
L
Q854
IC850OVER CURRENT PROTECTER
IC601SURROUND AMP
IC501POWER AMP
Q850-852
Q501,502Q503
Q858-861
MUTECONTROL
OCP
OUTVP
CT
Q868,869,890
Q505
-PRE +PRE
TM502
+VH
OVERLOAD
DETECT
SPEAKERPROTECT
RELAYDRIVE
RELAYDRIVE
Q510
R
L
R
PHONES
SUB WOOFER
FRONT
SURROUND
CENTER
J1063
Q506OVERLOAD
DETECT
FANMOTORDRIVE
FAN
E
F
TUNER/TAPEDECK
SECTION(Page 33)
TUNER/TAPEDECK
SECTION(Page 33)
OMAINSECTION(Page 34)
3
15
8
13
Q603 Q601
Q610
SL SP
C SP
PROTECT
OVER DCDETECT
OVER DC CURRENT DETECT
PROTECTSWITCH RELAY
DRIVE
SPEAKEROUT
CN601
PROTECTSWITCH
HCD-NXM4D
3636HCD-NXM4D
7-7. PRINTED WIRING BOARD RF SECTION See page 29 for Circuit Boards Location.
Ref. No. LocationIC101 D-8IC251 C-6IC301 C-8IC303 B-8
Q10 E-4
SemiconductorLocation
C023
C028
C040
C037
R004
R005
C038
C022C020
R016
R003
R018
R014R012
C027C0
41
C010
Q002
Q001
R007
C039
R001
C021C013
R009
R008
C008
EE
C017C015
C011
C009
R021CN00
3
CN001124
CN00
2
C049
IC003R033
13
54
R034R047R046
C050
C052
R091
R024
R025
R023C029
C026R026
C024
R027
R017R015
C042R013
R019
L002
L001
C003
D002
D001
R022
R020
C031
R011
C006
C005
C034
R006
R028R029
C036
C032
C035JL005
RFMONC033
C004
C012
C025R
010
C002
C030
C018C016
C014
C019
R035
C001
R041
R031
C051VC
IC001
32
33
4849 64
1
16
17
12(12)
1-684-822-12(12)
1-684-822-
ADMB07BOARD
(Page40)
OPTICAL PICK-UPBLOCK(DBU-3)
OPTICAL PICK-UPBLOCK(DBU-3)
(SIDE A)RF BOARD (SIDE B)RF BOARD
2 3 4 5 6 7 8 9
A
1
B
C
D
HCD-NXM4D
3737HCD-NXM4D
7-8. SCHEMATIC DIAGRAM RF BOARD See page 63 for IC Block Diagram. See page 62 for Waveforms.
JL001
JL003
JL006C014
C015
C016
C017
C018
C019
JL002
JL004
C020
C021
C022
C023
C042
CN001
CN002
L00147uH
L00247uH
R006 R010
R011
R012
R013
R014
R015
R016
R017
R018
R021
R025
R027
R028
R029
IOP1IOP2
JL005
JL007
CN003
D001 D002
R031
R047
IC001
Q002Q001C002C010
IC003
R004R003
R005
R007 R008
C0340.1u
R091
C036
C040
C051
C039
C038
C037
C041
C050 R046
C011
C004
C001 C003R009
C012 C005C033C032
C006
C013
C031C029
C030
C028C027
C025
C026
C024
R026
R023R024
C008
C009
R001
C049
C035
R020R019
C052
R033
R034
R022
2200p B
2200p B
2200p B
2200p B
5600p B
5600p B
22p
CH22
pCH
22p
CH22
pCH
180p CH
24PTO DBU-1
29PTO MAIN
470 470
0
0
0
0
0
0
0
0
0
100
0
0
0
9PTO DBU-1/KHM240A
/KHM270A
1SS355TE-17 1SS355TE-17
100
33k
SP3723CAF0PM
2SB1132-T100-QR2SB1132-T100-QR1016V
1000p
TL343IDBVR
3333
47k
33 33
B
560k
0.47
0.1
0.47
0.03
3
0.03
3
680p
0.1
0.0033 10k
1000p
1016V
1006.3V
1006.3V
47k
0.1 2210V
0.10.047
2210V
0.1
1000p0.01
0.01
0.10.1
0.1
0.1
0.01
12k
8200
0.1
0.1
100
0.1
0.1
00
0.1
100k
470
220
MIRR
CD_LD
DVD_LD
LDON
SDEN
DATA_RF
CLK_RF
LDONA
B
C
D
F
TE
FE
MIRR
PD
RFMON
B
A
F
D
C
CD_LD
DVD_LD
PDFD-
FD+
TD-
TD+
FD+
FD-
TD+
TD-
SLB-
SLB+
SLA-
SLA+
PI/CE
SLA+
SLB+
SLB-
SLA-
FE
TE
PI/CE
SDENDATA_RF
CLK_RF
RFMON
DVD/CD RF AMP
OP AMP
BOARDDMB07
(1/6)(Page42)
HCD-NXM4D
3838HCD-NXM4D
7-9. PRINTED WIRING BOARD DVD MECHANISM BOARD See page 29 for Circuit Boards Location.
JW701
S761(SUB TRAY OUT)
R753R754R751
C702
JW71
3
Q751
R752
R755
JW71
2
JW709
JW710JW711
JW714
IC71
1R7
12
R711
C701
JW702R701
R702
CN761
CN751
JW705
JW707JW708
JW706
IC701
CN70
5
CN731
CN771CN701
C703
IC751
JW703
JW704
S721(MAIN TRAY IN/OUT)
S731(SUB TRAY N)
S771ROTARY ENCODER
(MD)
S781ROTARY ENCODER
(ST U/D)
CN721
JW715
JW716JW718
JW71
9
JW720 JW71
7
CN70
6
CN70
2
CN707
CN703
C762
C761
D701D7
11
MOTOR BOARD
SENSOR BOARD
SW(2) BOARD
SW(1) BOARD
ENCODER BOARD
RELAY BOARD
12(12)1-861-241-
12(12)
1-861-242-
12(12)1-861-243-
11(12)1-861-245-
12(12)
1-861-244-
12(12)1-861-240-
MAIN BOARD
(Page 50)B
M761(LD/ST MOTOR)
M762(BU U/D MOTOR)
43
21
G
1
1
1
1
11
1
1
6
2
3
3
3
3
1
1
2
2
3412
34
G
G
9
9
20
21
16
2 3 4 5 6 7
A
1
B
C
D
E
F
Ref. No. LocationD701 D-4D711 D-4
IC701 D-4IC711 E-3IC751 B-6
Q751 D-2
SemiconductorLocation
HCD-NXM4D
3939HCD-NXM4D
7-10. SCHEMATIC DIAGRAM DVD MECHANISM BOARD
M761
M762
S761
S731 CN731 CN703
IC751
CN751 CN705
R711R712
D711
IC711
D701
C762
C761 R702
R701
C701
IC701
CN702 CN721S721
CN701
C702
R751
R754 Q751
R753
R752R755
CN707 CN771
S771
S781
CN706CN761
RF500TB
RF500TB
(SUB TRAY OUT)
(SUB TRAY IN) 2P 2P
RPR-359F
3P 3P
680100
MTZJ-T-77-4.3A
BA6956AN
MTZJ-T-77-4.7B
0.01
0.01 100
680
4716V
BA6956AN
3P 3P(MAIN TRAY
IN/OUT)
21PIN
1016V
91
12k 2SC2785-HFEDISC SENSOR
10k
10k10k
5P 5P
ROTARY ENCODER(MD)
ROTARYENCODER
6P6P
ST-E2ST-E3ST-E4
ST-E1
ST-E4ST-E3ST-E2ST-E1
(1/3)(Page 51)
See page 66 for IC Block Diagram.
HCD-NXM4D
4040HCD-NXM4D
7-11. PRINTED WIRING BOARD DMB07 BOARD (Side A) See page 29 for Circuit Boards Location.
OMAIN
BOARD(Page50)
K MAINBOARD(Page50)
A RFBOARD(Page36)
N MAINBOARD(Page50)
P VIDEOBOARD(Page48)
C576
R964
C539
JW501
R805
JW801
JW806JW805
JW802JW804
JW803
A5
A6
A9
A10
A13
A14
A17
A18
A15
A16
A19
FL703
CN101
R718
R769
C717
R767
C777
C778
C779
C780
R975
CN901
FL702
R908
R765R764
R763
R762
C702
R250R2
15
C705
IC90
6
IC9041 4
18
169 8
13
4 55 IC902
C706
C708
C530
C711
FL20
4
C712
R927 R9
31
C130
2
C917
C916
C915C914
C907
C715
C716
C533
C556
C561
R751
C588
X902
C771
C773
C774
C701
FL70
1
IC701
C259
C258
R601
R788
R707
R708
R226
R225
R327
R296
R217
R916
R219
R709
R629
R984
R284
R283
R277
R276
R275
R274
R273R2
69
R917
R15
R268
R505
R267
R266
R265
R264
R263
R14
R988
R254
R13
R994R995
R997
R998
C364
C357
C356
C355
R571
C352
R711
R234
R712
R231R230
153
104
208
157
52
156 105
C781
R552
R5481
1
3
2021
1
4
8
5
40 41 6061
80
C213
C215
R202
C325
1
12
36
25
13 24
48 37
C321
R714
C305
X901
C304
C303
121
2D1
303
D130
4R1
302
R978
IC259
IC25
8IC
256 1
10
20
12
34
11
110
21
1617
2011
110
2011
R716
IC207
FL20
5
D202
CN202CN105
R717
R719
FL20
6
C502
R907
R906
R905
C552
C201
C517
C518
R921
R922
R923
C522
R928 R929
C526
11 7
1 44
132 89
4588
176
133
229
28
C528
C101
C151
JW39
2
C531
C534
C535
C543
C544C5
45
C548 C5
51C553
IC211
C558
C560
C563
C565
C567
C568
C569
C573
C590
C366
FL101
C901
C902
C924
12 12
13
C903
C905
C926
C927
R962
R958
C592
R747
FB10
5
C202
R748
CN501
D901
FL50
1
FL50
2
FL90
1
IC503
IC509
IC901
C532
R758
C286
C284
L103
R760
R504
C266
C265
C263
R506
Q201
E
R510
R511
R523
C261
R599
R593
C253
C252
R588
R586
R584
R9985R3
14
C925
C3941 13
C393
C392
C248
R940
R942
R572
R943
R568
R567
C246
R566
R565
R564R563
R562
IC302
CN102
R561
R560
FL352
R559
FL30
3
FL302
R9984 R9983
R9982
C245
C242
C241
C239
CN10
7
R970
C227
R551R550
C214
R545
R536
R938
R936
R213
C283
C278
C277
C904
125
265051
75
76 100
C306
R197
R198
C287
C279
IC231110
2011
110
2011
IC232
C733
C291
L501
C547
(SIDE A)DMB07 BOARD
12(12)
1-861-848-
R299
2 3 4 5 6 7 8 9 10
A
1
B
C
D
E
F
G
Ref. No. LocationD1303 C-1D1304 C-1D202 D-6D901 E-3
IC207 C-8IC211 D-6IC231 E-9IC232 E-9IC256 C-7IC258 C-7IC259 B-7IC302 C-2IC503 D-5IC509 E-6IC701 E-8IC901 D-4IC902 D-7IC904 D-7IC906 D-7
Q201 B-7
SemiconductorLocation
HCD-NXM4D
4141HCD-NXM4D
7-12. PRINTED WIRING BOARD DMB07 BOARD (Side B) See page 29 for Circuit Boards Location.
R549
R270
JW393
IC392
IC90
7
IC50
2
JW35
2
B5
B6
B8
C542
B7
B11
R369
R368
C727
C767
C769
R789
C729
FL70
6
R799
R777
R776
R778
C703
R335
FL90
3
C709
FB903
FB90
2
R932
R933
C713
C714
C516
C524
C718
C720
C721
C722C723
C724
C725
C726
C728
C730
1
110
2011
25
5026
C740
C741
C742
C743
C744
C745
C752
C760
C761
C762
C763
C765
C766
C768
C772
C775
C782
C783
FL70
5
C367C368
R785
R786
IC706
R700
C275
C264
C205
R787
R294 R293
R222R221
R228
R100
0
R329R328
IC206
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