Fostex Cr300 Service Manual

Page 1

Service Manual

Model

COMPACT DISC RECORDER

FOR U.S. MODELSNECESSARY INFORMATION FOR DHHS

RULES MARKED ON THE REAR BASE AND ON

THE TOP OF CD MECHANISM AS BELOW.

DANGER - LASER RADIATION WHEN OPEN.

AVOID DIRECT EXPOSURE TO BEAM.

Page 2

SAFETY INSTRUCTIONSRead instructions - All the safety and operating instruc-tions should be read before the appliance is operated.Retain instructions - The safety and operating instructionsshould be retained for future reference.Heed warnings - All warnings on the appliance and in theoperating instructions should be adhered to.Follow instructions - All operating and use instructionsshould be followed.Water and Moisture - The appliance should not be usednear water - for example, near a bathtub, washbowl,kitchen sink, laundry tub, in a wet basement, or near aswimming pool, and the like.Carts and Stands - The appliance should be used onlywith a cart or stand that is recommended by the manufac-turer.

An appliance and cart combination should be moved withcare. Quick stops, excessive force, and uneven surfacesmay cause the appliance and cart combination to over-turn.Wall or Ceiling Mounting - The appliance should bemounted to a wall or ceiling only as recommended by themanufacturer.Ventilation - The appliance should be situated so that itslocation or position does not interfere with its proper ven-tilation. For example, the appliance should not be situ-ated on a bed, sofa, rug, or similar surface that may blockthe ventilation openings; or, placed in a built-in installa-tion, such as a bookcase or cabinet that may impede theflow of air through the ventilation openings.

Heat - The appliance should be situated away from heatsources such as radiators, heat registers, stoves, or otherappliances (including amplifiers) that produce heat.Power Sources - The appliance should be connected to apower supply only of the type described in the operatinginstructions or as marked on the appliance.Grounding or Polarization - The precautions that shouldbe taken so that the grounding or polarization means ofan appliance is not defeated.Power Cord Protection - Power supply cords should berouted so that they are not likely to be walked on orpinched by items placed upon or against them, payingparticular attention to cords at plugs, convenience recep-tacles, and the point where they exit from the appliance.Cleaning - The appliance should be cleaned only as rec-ommended by the manufacturer.Nonuse Periods - The power cord of the appliance shouldbe unplugged from the outlet when left unused for a longperiod of time.Object and Liquid Entry - Care should be taken so thatobjects do not fall and liquids are not spilled into the en-closure through openings.Damage requiring Service - The appliance should be ser-viced by qualified service personnel when:A.

B.

C.D.

E.

Servicing - The user should not attempt to service the ap-pliance beyond that described in the operating instruc-tions. All other servicing should be referred to qualifiedservice personnel.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

CAUTIONRISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

TO PREVENT ELECTRIC SHOCK, MATCH

WIDE BLADE OF PLUG TO WIDE SLOT,

FULLY INSERT.

POUR ÉVITER LES CHOCS ÉLECTRIQUES,

INTRODUIRE LA LAME LA PLUS LARGE DE

LA FICHE DANS LA BORNE CORRE-

SPONDANTE DE LA PRISE ET POUSSER

JUSQU' AU FOND.

CAUTION:

ATTENTION:

The exclamation point within an equilateraltriangle is intended to alert the user to thepresence of important operating and mainte-nance (servicing) instructions in the literatureaccompanying the appliance.

The lightening flash with arrowhead symbol,within an equilateral triangle, is intended toalert the user to the presence of uninsulated“dangerous voltage” within the product's en-closure that may be of sufficient magnitude toconstitute a risk of electric shock to persons.

“WARNING”“TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOIS-TURE.”

1.

2.

3.

4.

5.

6.

7.

8.

The power supply cord or the plug has been damaged;orObjects have fallen, or liquid has been spilled into theappliance; orThe appliance has been exposed to rain; orThe appliance does not appear to operate normally orexhibits a marked changed in performance; orThe appliance has been dropped, or the enclosuredamaged.

9.

10.

11.

12.

13.

14.

15.

16.

17.

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CR300

3

The following check should be performed for the continuedprotection of the customer and service technician.

LEAKAGE CURRENT CHECKMeasure leakage current to a known earth ground (waterpipe, conduit, etc.) by connecting a leakage current testersuch as Simpson Model 229-2 or equivalent between theearth ground and all exposed metal parts of the appliance(input/output terminals, screw heads, metal overlays,control shaft, etc.). Plug the AC line cord of the appliancedirectly into a 120V AC 60Hz outlet and turn the AC powerswitch on. Any current measured must not exceed 0.5mA.

SAFETY PRECAUTIONS

Leakagecurrenttester

Reading shouldnot be above0.5mADevice

undertest

Test allexposed metalsurfaces

Also test withplug reversed(Using AC adapterplug as required)

Earthground

AC Leakage Test

ANY MEASUREMENTS NOT WITHIN THE LIMITSOUTLINED ABOVE ARE INDICATIVE OF A POTENTIALSHOCK HAZARD AND MUST BE CORRECTED BEFORERETURNING THE APPLIANCE TO THE CUSTOMER.

Many electrical and mechanical parts in the appliance havespecial safety related characteristics. These are often notevident from visual inspection nor the protection affordedby them necessarily can be obtained by using replacementcomponents rated for voltage, wattage, etc. Replacementparts which have these special safety characteristics areidentified in this Service Manual.

Electrical components having such features are identifiedby marking with a on the schematics and on the parts listin this Service Manual.The use of a substitute replacement component which doesnot have the same safety characteristics as the PIONEERrecommended replacement one, shown in the parts list inthis Service Manual, may create shock, fire, or otherhazards.

Product Safety is continuously under review and newinstructions are issued from time to time. For the latestinformation, always consult the current PIONEER ServiceManual. A subscription to, or additional copies of, PIONEERService Manual may be obtained at a nominal charge fromPIONEER.

2. PRODUCT SAFETY NOTICE

(FOR USA MODEL ONLY)

NOTICE

(FOR CANADIAN MODEL ONLY)

Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement parts must

be of identical designation.

REMARQUE

(POUR MODÉLE CANADIEN SEULEMENT)

Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent que les pièces

de remplacement doivent avoir la même désignation.

This service manual is intended for qualified service technicians ; it is not meant for the casual do-

it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been

trained to properly and safely repair complex products such as those covered by this manual.

Improperly performed repairs can adversely affect the safety and reliability of the product and may

void the warranty. If you are not qualified to perform the repair of this product properly and safely,

you should not risk trying to do so and refer the repair to a qualified service technician.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to

cause cancer, birth defects or other reproductive harm.

Health & Safety Code Section 25249.6 Ð Proposition 65

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CR300

4

1. Laser Interlock MechanismThe position of the switch (S601) for detecting loadingstate is detected by the system microprocessor, and thedesign prevents laser diode oscillation when the switch(S601) is not on CLMP terminal side (CLMP signal is OFFor high level.). Thus, the interlock will no longer function ifthe switch (S601) is deliberately set to CLMP terminal side(low level).The interlock also does not function in the test mode *.Laser diode oscillation will continue, if pin 1 of M51593FP(IC101) on the PRE-AMP BOARD ASSY mounted on thepickup assembly is connected to GND, or pin 19 isconnected to low level (ON), or else the terminals of Q101are shorted to each other (fault condition).

2. When the cover is opened with the servo mechanism blockremoved and turned over, close viewing of the objectivelens with the naked eye will cause exposure to a Class 1laser beam.

Additional Laser Caution

* Refer to page 13.

IMPORTANTTHIS PIONEER APPARATUS CONTAINSLASER OF CLASS ΙΙΙ b.SERVICING OPERATION OF THE APPARATUSS H O U L D B E D O N E B Y A S P E C I A L L YINSTRUCTED PERSON.

LASER DIODE CHARACTERISTICSMAXIMUM OUTPUT POWER: 23 mWWAVELENGTH: 778 - 787 nm

LABEL CHECK

CR300 USA

Printed on Rear Panel

Printed on Rear Panel

CR300 EUR

CR300 EUR

CR300 EUR

Page 5

CR300

5

Parts marked with this sign are safety critical components. They must always be replaced with identical

components. Refer to the Fostex Parts List and ensure exact replacement.

CAUTION

TABLE OF CONTENTS

1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. CONTROLS, INDICATORS & CONNECTORS . . . . . . . . . . .

3. ADJUSTMENT PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . .

4. ASSEMBLING & DISASSEMBLING . . . . . . . . . . . . . . . . . .

5. EXPLODED VIEW, PCB ASSEMBLY & PARTS LIST . . . . .

6. CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . .

Adjusting procedures, assembling & disassembling, exploded view, PCB assembly, parts list, circuit diagrams

and general information are given in this manual to assist the service technician in maintaining the Model

CR300.

NOTES*

6

9

13

19

25

37

50

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CR300

6

1. SPECIFICATIONSFUNCTION LIST

Automatic Disk RecognitionSampling Rate Converter Automatic conversion (48 kHz, 32 kHz → 44.1 kHz)

ON/OFF switchable (44.1 kHz)Synchronous Recording Synchronous to one song / all songs / DAT IDAuto Stop Delay in Digital Synchro 0 sec, 10 sec, offCopy Bit Setting No restriction / one time only / prohibitedAuto Track Increment 6 levelsManual Track IncrementREC MUTEFade In / Fade Out Fade time: 6 sec, 9 sec, 12 sec, 18 secPREVIOUS End section of previous track can be played back while in

REC PAUSE modeErase Mode (CD-RW) Last Track, All Track, Disc, TOCDirect Search Operational through remote controller onlyTrack SearchManual SearchOne Song / All Song / Program Repeat Operational through remote controller onlyProgram PlaybackSkip PlaybackSampling MonitorDisplayed Time Elapsed playback time, Remaining playback time,

Total remaining playback time, Total playback time,Elapsed recording time, Remaining recording time,Total recording time

Laser Hour MeterMargin DisplayAuto PauseAuto Power CalibrationRemote Controller On / OffDigital Out On / OffBalanced Input Sensitivity Switching + 4 dBu / -10 dBV

DISPLAYFL Display Play, Pause, REC (Rec), RPT-1 (Repeat, 1-Repeat),

AUTO TRACK (Auto Track No.), PGM (Program),FADER (Fader), SKIP ON (Skip ON/OFF),32/44/48 (Input sampling frequency),SYNC (Digital Synchronous Recording),CD-RW/FINALIZE (Disc Type)

LED Display Track number, Level meter, Elapsed playback time,Remaining playback time, Total remaining playback time,Total playback time, Elapsed recording time,Remaining recording time, Total recording time

INPUT/OUTPUT TERMINALAudio Input (Input Impedance) RCA pin (27 kΩ or more)

Balanced XLR-3 (10 kΩ)Audio Output (Output Impedance) RCA pin (1 kΩ)

Balanced XLR-3 (1 kΩ or less)

Page 7

CR300

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DIMENSIONS & WEIGHTMaximum Dimensions 482 (W) x 105 (H) x 393 (D) mm

19 (W) x 4 - 1/8 (H) x 15 - 1/2 (D) inchWeight (w/o package) 7.0 kg (15.4 lb)

POWER REQUIREMENTPower Supply AC120 V, 60 Hz

AC220 ~ 230 V, 50/60 HzPower Consumption 24 W

AUDIO UNIT CHARACTERISTICSCD Playback (Analog RCA Output)

Frequency Response 4 Hz ~ 20 kHz ± 1.0 dB (EIAJ)S/N 100 dB or more (EIAJ)Dynamic Range 90 dB or more (EIAJ)Total Harmonic Distortion 0.01 % or less (EIAJ)Channel Separation 90 dB or more (EIAJ)De-emphasis Deviation 0 ± 1.5 dB or less (EIAJ)Level Difference between Channels 1 dB or less (EIAJ)Output Voltage 2.0 ± 0.3 Vrms (Load impedance: 10 kΩ, EIAJ)

Monitor (Analog RCA Input →→→→→ Analog RCA Output)Frequency Response 4 Hz ~ 20 kHz ± 1.0 dB (EIAJ)S/N 83 dB or more (EIAJ)Dynamic Range 83 dB or more (EIAJ)Total Harmonic Distortion 0.01 % or less (EIAJ)Maximum Input Level 3.2 Vrms or more (EIAJ)Minimum Input Level 0.4 Vrms or less (EIAJ)

5

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PARALLEL REMOTE TERMINAL

INPUT/OUTPUT TERMINAL (continued)Digital Input (Input Impedance) Optical EIAJ CP-1201 TYPE2

Coaxial RCA IEC958 (75 Ω)AES/EBU XLR-3 (110 Ω)

Digital Output (Output Impedance) Optical EIAJ CP-1201 TYPE2Coaxial RCA IEC958 (75 Ω)

Headphone Output ∅ 6 (1/4 inch) standard stereo phone jackParalell Remote Control DIN 8-pin

Page 8

CR300

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AUDIO UNIT CHARACTERISTICS (continued)Record & Playback (Analog RCA Input →→→→→ Analog RCA Output)

Frequency Response 4 Hz ~ 20 kHz ± 1.0 dB (EIAJ)S/N 83 dB or moreDynamic Range 83 dB or moreTotal Harmonic Distortion 0.01 % or less

Monitor (Digital Coaxial Input →→→→→ Analog RCA Output)Frequency Response 4 Hz ~ 20 kHz ± 1.0 dB (EIAJ)S/N 95 dB or more (EIAJ)Dynamic Range 90 dB or more (EIAJ)Total Harmonic Distortion 0.01 % or less (EIAJ)Maximum Input Level 0.6 Vp-p or more (EIAJ)Minimum Input Level 0.2 Vp-p or less (EIAJ)

Record & Playback (Digital Coaxial Input →→→→→ Analog RCA Output)Frequency Response 4 Hz ~ 20 kHz ± 1.0 dB (EIAJ)S/N 95 dB or moreDynamic Range 90 dB or moreTotal Harmonic Distortion 0.01 % or less

CD Playback (Analog XLR-3 +4 dBu Output)Frequency Response 4 Hz ~ 20 kHz + 1.0, -1.5 dB (EIAJ)S/N 100 dB or more (EIAJ)Dynamic Range 90 dB or more (EIAJ)Total Harmonic Distortion 0.01 % or less (EIAJ)Channel Separation 90 dB or more (EIAJ)De-emphasis Deviation 0 ± 1.5 dB or less (EIAJ)Level Difference between Channels 1 dB or less (EIAJ)Output Voltage 20 ± 1.5 dBm (Load impedance: 100 kΩ, EIAJ)Output Voltage (-10 dBV) 8 ± 1.0 dBm (Load impedance: 100 kΩ, EIAJ)

Monitor (Analog XLR-3 +4 dBu Input →→→→→ Analog XLR-3 +4 dBu Output)Frequency Response 4 Hz ~ 20 kHz + 1.0, -1.5 dB (EIAJ)S/N 83 dB or more (EIAJ)Dynamic Range 83 dB or more (EIAJ)Total Harmonic Distortion 0.01 % or less (EIAJ)Maximum Input Level 13 Vrms or more (EIAJ)Minimum Input Level (-10 dBV) 0.4 Vrms or less (EIAJ)

Record & Playback (Analog XLR-3 +4 dBu Input →→→→→ Analog XLR-3 +4 dBu Output)Frequency Response 4 Hz ~ 20 kHz + 1.0, -1.5 dB (EIAJ)S/N 83 dB or moreDynamic Range 83 dB or moreTotal Harmonic Distortion 0.01 % or less

Specifications and appearance are subject to change without notice for product improvement.

Page 9

CR300

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2. CONTROLS, INDICATORS & CONNECTORS

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Page 10

CR300

10

< DISPLAY PANEL >

Lights when automatic digital-source synchro recording is activated.

Lights during repeat playback.

Lights in the program mode.

Lights during random playback.

Lights duringplayback.

Blinks during fade-in/out.

Lights or blinks during pause.

Displays the track No.

Displays messages.

Blinks during disc identification and lights steadily. CD: Lights when a disc is loaded. CD-R: Lights if the loaded disc is a CD-R disc before finalization. CD-RW: Lights if the loaded disc is a CD-RW disc

Lights if the loaded disc is a finalized CD-RW disc.

Displays the sampling frequency (Fs) of the current digital input. All indicators are off when the input signal is interrupted.

Lights during record mode. Blinks in the record muting mode.

Lights when automatic track number write during recordingis activated.

Displays the elapsed playing time, remaining playing time, total playing time, elapsed recording time, remaining recording time, total recording time and remaining time until the end of finalization. (See below.)

Lights, goes off or blinks during skip ID setting orclearing.The disc contains skip ID data, the SKIP ON indicator lights automatically.

Displays the input level during record or the play level during playback

Switching the time displayThe following operation allows you to check the recording time information during recording or playing time information

during playback. Every time the TIME button is pressed, the time information contents are switched in the order of A → B

→ C → D → A • • •.The display mode varies depending on whether the current operation is recording or playing back (in the order of A → B →C → A → • • • during recording).

A : Elapsed recording time(2 min. 16 sec. after thestart of track No. 2)

C : Total recording time(3 min. 50 sec. of 2-track recording )

B : Remaining recordingtime (56 min. 10 sec.remaining on the disc)

A : Elapsed playing time(2 min. 16 sec. after thestart of track No. 1)

D : Total playing time(60 min. 0 sec. for 8tracks)

B : Remaining playing time of trackbeing played (3 min. 20 sec.remaining for track No.1)

C : Remaining playing time of all trackon disc being played (46 min. 40sec. remaining on the disc)

During recording During playback

Page 11

CR300

11

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Page 12

CR300

12

1 2 3

4 5 6

7 8 9

10 10 TIME

PGM CHECK CLEAR

REPEAT

FADERTRACK NO.

WRITE

MODEL 8317

REC

CHECK button

PGM (Program) button

*Record buttons ( REC)

*Manual search buttons( )

*Record muting button ( )

,

*Track search buttons( )

*Play button ( )

*Pause button ( )

*TIME button

CLEAR button

FADER button

*TRACK No. WRITE(MANUAL) button

REPEAT button

*Stop button ( )

Numeric buttons(1 to 10, >10)

,

For recording, press the twobuttons simultaneously.

< REMOTE CONTROL UNIT MODEL 8317 >

3030

7m(23 ft)

Remote control may be impossible if there is an obstacle between the

remote control unit and main unit or if the remote control unit is operated

at too great of an angle from the remote control sensor.

Erroneous operation may occur if strong light such as direct sunlight or

fluorescent lamp light is incident to the remote control sensor.

The main unit may operate erroneously if it is used near equipment

radiating infrared rays or if it is used near control unit of other equipment

is used near the unit. On the contrary, if this remote control unit is operated

near another piece of equipment which can be control wit infrared rays,

the equipment may operate erroneously.

Replace batteries when the remote controllable range decreases noticeably.

·

·

·

·

Remote controllable range

Page 13

CR300

13

3. ADJUSTMENT PROCEDURES

3-1. TEST DISCSWhen adjusting the servo system, the following CD test discs should be used.

STD-903 or equivalent

STD-914 or equivalent

3-2. TEST EQUIPMENTLaser Power Meter

The following power meter manufactured by Advantest Corporation, LEADER Corporation or equivalent:

TQ8210 + TQ82017 (Advantest Corporation)

TQ8215 + TQ82021 (Advantest Corporation)

TQ8215 + TQ82010 + TQ82017 (Advantest Corporation)

LE8010 (LEADER Corporation)

Audio Analyzer

Oscilloscope

Distortion Factor Meter

CD Jitter Meter

Block Error Rate Counter

(1)

(2)

(3)

(4)

(5)

(6)

3-3. TEST MODE

For adjustment, set the unit to the Test Mode. Referring to the Fig.

1 on the right, turn on the unit with the Test Mode short-circuit

pattern on the FUNCTION PCB Ass’y to enter the Test Mode. In

the Test Mode, all the displays (FL, LEDs) on the unit should be

lit. If not, turn the power off and repeat the same steps again.

3-3-1. Test ModeShort-circuit

Fig. 1 Enter the Test mode

SIDE B

FUNCTION ASSY

In the Test Mode, the following adjustment functions are assigned

to the buttons, as explained in the Fig. 2 & 3.

3-3-2. Operation in Test Mode

LED for confirmation ofLD emission LD emitting

LD not emittingSwitching CD, CD-R and CD-RW

Fig.2 During adjustment of LD power (Input selector: analog)

ERASE button

(RECORD) and (REC MUTE) buttons

(STOP) button

TIME/MARGIN

DIGITALSYCHRO

ANALOG

0

8

6

7

9

5

10

4

1

2

3

DIGITAL

RECMUTE

OPEN /CLOSE RECORD

INPUT SELECTOR REC LEVELREC LEVEL

OPT

AES / EBU

LINE

L R

COAX XLR / -10XLR / +4••

•

•

• •• •

•

•

•

•

•

•

•

•

PHONES LEVEL

MAXMIN

MENUSETPOWER

OFF ON

COMPACT DISC RECORDER

CLEAR SKIP PLAY

FINALIZE ERASEAUTO /MANUAL

WRITE(MANUAL)

SKIP ID

TRACK NO.

+ key– key

StopFocus in

Fig.3 During adjustment of servo system (Input selector: optical)

FINALIZE button

SetSET button Average

DIGITALSYNCHRObutton

Mode switch

AUTO/MANUALbutton

(RECORD) button

Sled move

buttons

(REC MUTE) button

(STOP) button

Tracking close (PAUSE) button

Spindle kick (PLAY) button

,

TIME/MARGIN

DIGITALSYCHRO

ANALOG

0

8

6

7

9

5

10

4

1

2

3

DIGITAL

RECMUTE

OPEN /CLOSE RECORD

INPUT SELECTOR REC LEVELREC LEVEL

OPT

AES / EBU

LINE

L R

COAX XLR / -10XLR / +4••

•

•

• •• •

•

•

•

•

•

•

•

•

PHONES LEVEL

MAXMIN

MENUSETPOWER

OFF ON

COMPACT DISC RECORDER

CLEAR SKIP PLAY

FINALIZE ERASEAUTO /MANUAL

WRITE(MANUAL)

SKIP ID

TRACK NO.

Page 14

CR300

14

In the Test Mode, since each servo circuit operates independently, playing back a disc

requires that your operate the keys in the correct order to close the servo circuits.

Here is the key operation sequence for playing back a disc in the Test Mode.

Wait at least 2 ~ 3 seconds between each of these operations.

3-3-3. How to Playback a Disc in Test Mode FINALIZE

3-4. ADJUSTMENT 1 (LASER DIODE POWER ADJUSTMENT)

Test Point

Adjustment Point

Adjustment Value

[Procedure]

3-4-1. Playback Power Adjustment

Pickup objective lens

VR101 (PB. PW)

0.60 mW ± 0.05 mW

Check that “CD” is displayed on the FL display. If “CD-R” or “CD-RW” is displayed, press the STOP button repeatedly

until “CD” is displayed.

Press the RECORD button. The LED for confirmation of LD emission will light in orange.

Press the REC MUTE button. The LED for confirmation of LD emission will light in red. The LD is emitting in this

status.

Turn VR101 clockwise until the adjustment value to be reached is obtained.

Press the STOP button to shut off the LD.

(1)

(2)

(3)

(4)

(5)

CN102

Fig. 4 Adjustment points

VR104RW REC.PW0

VR101PB. PW VR103

R REC.PW2

VR102R REC. PW1

VR105RW REC.PW1

VR106RW REC.PW2

CN354

1

1

6

6

SERVO DIGITAL ASSY

Playback power

Playback CD-R recording

CD-R overdrive

CD-R recordpower

CD-RW record power

CD-RW biaspower

CD-RW recording

Fig.5 Output power of the laser diode

CD-RW erasepower

Note 1: Attach the remote sensor of the laser power meter to a point angled awayabout 10 degrees against the pickup lens and where the maximum poweris detected, so that there will be no light reflected onto the pickup.

Note 2: When adjusting with VR101 to VR106, first turn them completely counter-clockwise and then adjust clockwise, so that the value to be reached is notexceeded.

Note 3: Set the wavelength of laser power meter to 780 nm.Note 4: The following adjustments 1 through 3 must be

done with the Input Selector set to the Analog position(LD power adjustment mode).

ANALOGDIGITALINPUT SELECTOR

OPT

AES / EBU

LINE

COAX XLR / -10XLR / +4••

•

•

••

DANGER - LASER RADIATION WHEN OPEN.

AVOID DIRECT EXPOSURE TO BEAM.

Page 15

CR300

15

Test Point

Adjustment Point

Adjustment Value

[Procedure]

3-4-2. CD-R Record Power Adjustment

Pickup objective lens

VR102 (R REC. PW1), VR103 (R REC. PW2)

VR102: 4.60 mW ± 0.1 mW

VR103: Addition of 0.1 mW ± 0.01 mW to the adjustment value of VR102

Turn VR102 and VR103 fully counterclockwise to set their power output to minimum.

Press the ERASE button once so that “CD-R” appears on the FL display. If the indication is “CD” or “CD-RW”,

press the ERASE button repeatedly until “CD-R” is displayed on the FL display.

Press the RECORD button. The LED for confirmation of LD emission will light in orange.

Press the REC MUTE button. The LED for confirmation of LD emission will light in red. The LD is emitting in this

status.

(1)

(2)

(3)

(4)

CD-R record power adjustmentTurn VR102 clockwise until the adjusted value is 4.60 mW ± 0.1 mW.(5)

CD-RW overdrive power adjustmentTurn VR103 clockwise until the adjusted value becomes adjusted value at Step 5 above + (0.1 mW ± 0.01 mW).

Press the STOP button to shut off the LD.

(6)

(7)

Test Point

Adjustment Point

Adjustment Value

[Procedure]

3-4-3. CD-RW Record Power Adjustment

Turn VR104, VR105 and VR106 fully counterclockwise to set their power output to minimum.

Press the ERASE button twice so that “CD-RW” appears on the FL display. If the indication is “CD” or “CD-R”,

press the ERASE button repeatedly until “CD-RW” is displayed on the FL display.

Press the RECORD button. The LED for confirmation of LD emission will light in orange.

Press the REC MUTE button. The LED for confirmation of LD emission will light in red. The LD is emitting in this

status.

Turn the VR104 clockwise until the adjusted value is 0.40 mW ± 0.05 mW.

(1)

(2)

(3)

(4)

(5)

CD-RW record power adjustmentTurn VR106 clockwise until the adjusted value is 2.40 mW ± 0.1 mW.(6)

CD-RW erase power adjustmentTurn VR105 clockwise until the adjusted value is 5.90 mW ± 0.1 mW.

Press the STOP button to shut off the LD.

(7)

(8)

DANGER - LASER RADIATION WHEN OPEN.

AVOID DIRECT EXPOSURE TO BEAM.

Pickup objective lens

VR104 (RW REC. PW0), VR106 (RW REC. PW2), VR105 (RW REC. PW1)

VR104: 0.40 mW ± 0.05 mW

VR106: 2.40 mW ± 0.1 mW

VR105: 5.90 mW ± 0.1 mW

DANGER - LASER RADIATION WHEN OPEN.

AVOID DIRECT EXPOSURE TO BEAM.

Page 16

CR300

16

3-5. ADJUSTMENT 2 (SERVO SYSTEM ADJUSTMENT)

CN102

CN1021 : VC2 : TESTEQRFP3 : TE4 : MPP5 : MPXOUT6 : FMOUT

CN3541 : RF2 : TE3 : TEIN4 : VC5 : FEIN6 : FE

Fig. 6 Adjustment points

CN354 (TP201)

1

1

6

6

SERVO DIGITAL ASSY

For servo adjustment, set the INPUT SELECTOR to OPTICAL.

Use the RECORD and REC MUTE buttons to make the adjustments.

To reset the adjusted values to the initial settings, press and hold the(SKIP ID) CLEAR button for 4 seconds.

To register an adjustment, press the (SKIP ID) SET button.

ANALOGDIGITALINPUT SELECTOR

OPT

AES / EBU

LINE

COAX XLR / -10XLR / +4••

•

•

••

RECMUTERECORD

SET CLEAR

SKIP ID

Test Point

Adjustment Point

Adjustment Value

[Procedure]

3-5-1. Focus Offset Adjustment

CN354 - pin 6 (FE)

RECORD and REC MUTE buttons

0 mW ± 10 mW

Press the AUTO/MANUAL button until “01_F4” appears on the FL display.(1)

Adjust with the RECORD and REC MUTE buttons until the value for Pin 6 of CN354 is 0 mV ± 10 mV.

Press the SET button to register the adjustment. Once the adjustment is registered with the SET button, “?” will

disappear.

(2)

(3)

Oscilloscope

10:1 probe

10 : 1FE

VC

Page 17

CR300

17

Test Point

Adjustment Point

Adjustment Value

[Procedure]

3-5-2. M-S Mix Ratio Adjustment

CN102 - pin 3 (TE) and pin 4 (MPP)

RECORD and REC MUTE buttons

Adjust until the value of output signal from pin 3 (TE) and pin 4 (MPP) of CN102 are the same,

or the differential output of these signals is minimal.

Press the AUTO/MANUAL button so that “02_F3” appears on the FL display.

Press the FINALIZE button for focus-in.

Press the PLAY button for CAV-servo spindle kick (the status where the spindle rotates with the focus servo on and

tracking servo off).

Adjust with the RECORD and REC MUTE buttons until the value to be reached is obtained.

Press the SET button to register the adjustment.

Once the adjustment is registered with the SET button, “?” on the FL display will disappear.

Press the STOP button to stop the unit.

(1)

(2)

(3)

(4)

(5)

(6)

Oscilloscope

10:1 probe

10 : 1

10 : 1

TE CH1

CH2

39kΩ

39kΩ

VC

MPP

0.001µF

0.001µF

NOTE: For adjustment, use the following circuits.

NOTE: Adjustment must be done around mid-radius on a disc.

Test Point

Adjustment Point

Adjustment Value

[Procedure]

3-5-3. Tracking Offset Adjustment

CN354 - pin 2 (TE) or CN102 - pin 3 (TE)

RECORD and REC MUTE buttons

0 mV ± 10 mV

Press the AUTO/MANUAL button so that “03_F6” appears on the FL display.

Press the RECORD and REC MUTE buttons until the above adjustment value to be reached is obtained.

Press the SET button to register the adjustment.

Once the adjustment is registered with the SET button, “?” on the FL display will disappear.

(1)

(2)

(3)

Oscilloscope

10:1 probe

10 : 1FE

VC

NOTE: Perform the adjustment in STOP mode.

This adjustment is possible with the low-pass filter used in adjustment 5 above attached.

Page 18

CR300

18

Test Point

Adjustment Point

Adjustment Value

[Procedure]

3-5-4. Focus Bias Adjustment

CN354 - pin 1 (RF)

DIGITAL SYNCHRO, RECORD and REC MUTE buttons

Adjust until the RF jitter is minimal or that the eye pattern of the RF waveform is most open.

Press the DIGITAL SYNCHRO button in Stop mode.

NOTE: Make sure that the unit is in Stop mode.

Check that “48” appears on the FL display.

Press the AUTO/MANUAL button so that “04_34” appears on the FL display.

Press the FINALIZE button for focus-in.

Press the PLAY button for CAV-servo spindle kick.

Press the PAUSE button to close the tracking servo, then set the unit to Playback mode.

Adjust with the RECORD and REC MUTE buttons until the above adjustment value to be reached is obtained.

Press the SET button to register the adjustment. Once the adjustment is registered with the SET button, “?” on the FL

display will disappear.

Press the STOP button to stop the unit.

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

NOTE: Perform the adjustment in STOP mode.

This adjustment is possible with the low-pass filter used in adjustment 5 above attached.

Jitter Meter

10:1 probeor

10 : 1

Oscilloscope

RF

VC

Page 19

CR300

19

4. ASSEMBLING & DISASSEMBLINGPlease refer to the following drawings for assembling & disassembling the CR300.

4-1. Under Base, PCB Mold & Insulator

4-2. Under Base, Mecha Base & Rear Base

Label, caution, EUR * (8218764000)

Label, caution, HE, CR300 *(8218787000)

Screw, ABA1011(8204178000)

Rear base(EUR: 8221307006)(USA: 8221307003)

Screw, PBA1112(8204188000)

Clamper, cord(8221114000)

Mecha base(N/A)

*: EUR version only

PCB mold (N/A)

Under base (N/A)

Insulator, CR300 (8207013100)

Screw, ABA1011 (8204178000)

Page 20

CR300

20

4-3. Transformer PCB Assy

4-4. Power, Audio & Servo Digital PCB Assys

B12 J2

Power PCB assy(EUR: 8274236006)(USA: 8274236003)

Fuse, T500mA/250V, EUR(8239119000)

Fuse, 1A/250V, USA(8239118000)

Audio PCB assy(EUR: 8274235006)(USA: 8274235003)

Servo Digital PCB assy(EUR: 8274232006)(USA: 8274232003)

Screw, ABA1011(8204178000)

Terminal, screw, SI-A2475(8245316000)

Screw,BBZ30P080FCC

(8214379000)

Cord stopper(N/A)

Screw, RBA1132(8204179000)

Transformer PCB assy(8274241000)

Transformer cover(N/A)

Rivet(8207012700)

Transformer, power(EUR: 8242267006)(USA: 8242267003)

Page 21

CR300

21

4-5. Power, Audio & Servo Digital PCB Assys Wiring

4-6. I/O Angle

J2

IC308

Screw, ABA1011(8204178000)

Screw, IBZ30P180FCC(8204185000)

Screw, 3 x 6, B (8204158000)

Screw, ABA1011(8204178000)

Screw, ABA1011(8204178000)

Screw, 3 x 6, B(8204158000)

Screw, IBZ30P180FCC(8204185000)

Screw, IBZ30P180FCC(8204185000)

Cord stopper(N/A)

J21

B402

FMEA

J801

B404

CN803B401

CN

302

J4

Cord stopper(N/A)

Screw, IBZ30P200FMC (8204186000)

Screw, ABA1011 (8204178000)

I/O angle(N/A)

Card spacer(N/A)

Cable, 2mm pitch, parallel, 3P, L550(8277480000)

Cable assy, 3P, wht(8277484000)

Cable assy, 2mm pitch, 8P, red(8277483000)

Page 22

CR300

22

4-7. Input PCB Assy

4-8. Input PCB Assy Wiring & Front Panel

KN8021

CN8003

CN8004

CN3002

CN8101

CN8102

KN8014

Screw, ABA1011 (8204178000)

Input PCB assy(EUR: 8274234006)(USA: 8274234003)

Screw, PMZ30P060FCC(8204161000)

Screw, PMZ26P040FMC(8204164000)

KN8017

J709

CN

8006

J3

B12

J851

CN805

FMEACN403

CN202

J709

J11

FMEA

J709

J701

J701

CN8005

J709

KN8012KN8010

FMEA

FMEA

CN8006

Binder(N/A)

Screw, IBZ30P080FZK(8204184000)

Panel, front, CR300(8212687000)

Screw,IBZ30P060FCC(8214298000)

Screw,IBZ30P060FCC(8214298000)

Button, power, CR300(8226251000)

Screw, AMZ40P060FCU(8204162000) Cable assy, 2mm pitch,

8P, wht(8277482000)

Screw,IBZ30P080FZK(8204184000)

COM

PACT DISC RECORDER

Screw, 3 x 6, B(8204158000)

Page 23

CR300

23

4-9. Mechanism Assy Wiring

4-10. Input, Power, Front PCB Assy Wiring

A

A

CN352

KN305

CN101

CN353

KN304

Cable assy, 9P, grn(8277486000)

Screw,IBZ30P100FCC(8204180000)

Panel, tray, CR300(8212688000)

Cable assy, 5P, grn(8277485000)

COM

PACT DISC RECORDER

J709(To CN8006)

CN8006

J701(To CN51)

CN11

J11

Cable, parallel, 9P, L150(8277496000)

CN51

Cable, 2mm pitch,parallel, 4P, L250

(8277487000)

Cable, 2mm pitch,parallel, 5P, L550

(8277497000)

CN8005

To CN805(VR PCB)

CN401

Cable, 2mm pitch,parallel, 3P, L350

(8277480000)

Page 24

CR300

24

4-11. Bridge, Clamper, etc.

4-12. Bonnet & Angles

Holder, tray, CR300(8216720000)

Bridge, CR300(8221305000)

Spacer, bridge, CR300(8212685000)

Clamper, CR300 (8212682000)

Plate, clamper, CR300(8221304000)

COM

PACT DISC RECORDER

Screw, IPZ26P060FCU(8214383000)

Label, 65 ** (8218788000)

Screw, BBZ40P140FZK(8204182000)

Screw, BBZ40P140FZK(8204182000)

Angle, rack, FX,L, CR300

(8221295000)Angle, rack, FX,

R, CR300(8221296000)Bonnet, CR300 (8221306000)

Label, DOC,CR300 **

(8218790000)

Label, FCC,CR300 **

(8221295000)

COM

PACT DISC RECORDER

**: USA version only

Screw, IBP30P090FCC(8204183000)

Page 25

CR300

25

5. EXPLODED VIEWS, PCB ASSEMBLY & PARTS LISTParts marked by “N/A” are generally unavailable.

The mark found on some component parts indicate the importance of the safety factor of the parts. Therefore, when

replacing, be sure to use parts of identical designation.

Screws adjacent to mark on the product are used for disassembly.

NOTE: ••

•

5-1-1. PACKING MATERIAL & ACCESSORYRef. No. Part No. Description

1 8276 9100 00 Cord, power, AC, USA

8276 9110 00 Cord, power, AC, EUR

2 8288 8901 00 Card, warranty, USA

3 8276 9120 00 Audio cable, RCA

4 8288 4370 00 Owner’s manual, ENG, CR300

5 N/A Caution, CD-R, EUR

N/A Caution, CD-R, USA

6 8270 8290 00 Remote control unit, Model 8317

Ref. No. Part No. Description

7 N/A Cover, battery

8 N/A Battery, dry cell, manganese, UM-4

9 8228 4600 00 Protector, front, CR300

10 8228 4610 00 Protector, rear/top, CR300

11 8228 7300 00 Carton, inner, CR300

12 8228 9090 00 Carton, outer, CR300

13 8228 5750 00 Sheet, CR300

5-1. EXPLODED VIEWS

8

4

5

2 (USAversion only)

1

7

6

3

10 (3/3)

11

12

9 (1/2)

10 (2/3)9 (2/2)

10 (1/3)

FRONT

13

Page 26

CR300

26

5-1-2. OVERALL EXPLODED VIEWRef. No. Part No. Description

1 8274 2320 06 PCB assy, Servo Digital, EUR, CR300

8274 2320 03 PCB assy, Servo Digital, USA, CR300

2 8274 2350 06 PCB assy, Audio, EUR, CR300

8274 2350 03 PCB assy, Audio, USA, CR300

3 8274 2360 06 PCB assy, Power, EUR, CR300

8274 2360 03 PCB assy, Power, USA, CR300

4 8274 2410 00 PCB assy, Transformer, CR300

5 8277 4800 00 Cable, 2mm pitch, parallel, 3P, L350

6 8277 4820 00 Cable assy, 2mm pitch, 8P, wht

7 8277 4850 00 Cable assy, 5P, grn

8 8277 4860 00 Cable assy, 9P, grn

9 8242 2670 06 Transformer, power, EUR, CR300

8242 2670 03 Transformer, power, USA, CR300

10 8239 1190 00 Fuse, T500mA/250V, EUR

8239 1180 00 Fuse, 1A/125V, USA

11 8204 1780 00 Screw, ABA1011

12 8204 1580 00 Screw, 3 x 6, B

13 N/A PCB mold

14 N/A Cord stopper

15 8221 3060 00 Bonnet, CR300

16 N/A Under base

17 8221 3070 06 Base, rear, EUR, CR300

8221 3070 03 Base, rear, USA, CR300

18 N/A Mecha base

19 . . .

20 . . .

21 8207 0131 00 Insulator, CR300

22 . . .

23 8221 1140 00 Clamper, cord

24 8204 1880 00 Screw, PBA1112

25 . . .

26 . . .

27 8226 2510 00 Button, power, FX, CR300

28 8212 6880 00 Panel, tray, CR300

29 8214 3790 00 Screw, BBZ30P080FCC

30 8214 2980 00 Screw, IBZ30P060FCC

31 8204 1800 00 Screw, BBZ30P100FCC

32 . . .

33 . . .

34 8204 1850 00 Screw, IBZ30P180FCC

35 . . .

36 8218 7680 00 Label, black

37 8218 7870 00 Label, caution, HE, CR300

38 8218 7640 00 Label, caution, EUR

39 8218 7880 00 Label, 65, CR300

40 N/A Laser caution label

41 8245 3160 00 Terminal, screw, SI-A2475

42 8204 1790 00 Screw, RBA1132

Ref. No. Part No. Description

43 N/A Transformer cover

44 8207 0127 00 Rivet

45 8204 1810 00 Screw, BBZ40P080FCC

46 8216 7210 00 Cover, fuse, CR300

47 8277 4830 00 Cable assy, 2mm pitch, 8P, red

48 N/A I/O angle

49 N/A Card spacer

50 8204 1860 00 Screw, IBZ30P200FMC

51 8204 1610 00 Screw, PMZ30P060FCC

52 8204 1640 00 Screw, PMZ26P040FMC

53 8204 1840 00 Screw, IBZ30P080FZK

54 N/A Binder

55 8204 1620 00 Screw, AMZ40P060FCU

56 8221 2950 00 Angle, rack, FX, L, CR300

57 8221 2960 00 Angle, rack, FX, R, CR300

58 8204 1820 00 Screw, BBZ40P140FZK

59 8218 7890 00 Label, FCC, CR300

60 8218 7900 00 Label, DOC, CR300

61 8204 1830 00 Screw, IBP30P090FCC

62 8274 2340 06 PCB assy, Input, EUR, CR300

8274 2340 03 PCB assy, Input, USA, CR300

63 8277 4840 00 Cable assy, 3P, wht

64 8277 4870 00 Cable, 2mm pitch, parallel, 4P, L250

65 8277 4890 00 Cable, 2mm pitch, parallel, 6P, L300

66 8277 4900 00 Cable, 2mm pitch, parallel, 8P, L200

67 8277 4910 00 Cable, 2mm pitch, parallel, 15P, L100

68 8277 4920 00 Cable assy, 2P

69 8277 4930 00 Cable assy, 2mm pitch, 6P

70 8277 4940 00 Cable, 32P, FCC/30V

71 8277 4960 00 Cable, parallel, 9P, L150

72 8277 4970 00 Cable, 2mm pitch, parallel, 5P, L550

Page 27

CR300

27

11

21

13

13

18

2423

17

37*

38*

11

4344

4

14

42

9

J

D

24

A

A

CI B

F

34 34

11

2

1

COM

PACT DISC RECORDER E

F H

G

3053

12

58

15

58

39**

56

57

40**

31

8

12

7

28

10

Refer to “4.4 LOADINGMECHANISM ASSY.”

27

30

Refer to “4-1-3. FRONTPANEL SECTION.”

62

49

47

K

H

12

14

11

5

5011

48

12

14

3

11

11

16

46

34

29

36

53

*: EUR version only**: USA version only

G

DE J

L

L

60**59**

41

45

6

51

52

30

55

61

64

65

66

68

67

63

6970

71

72

I

C

B

K

54

M

M

Page 28

CR300

28

5-1-3. FRONT PANEL SECTIONRef. No. Part No. Description

1 8274 2380 00 PCB assy, Function A, CR300

2 8274 2390 00 PCB assy, HP, CR300

3 8274 2400 00 PCB assy, VR, CR300

4 8277 4810 00 Cable, 22P F.F.C/60V

5 8204 1770 00 Screw with washer, ABA1005

6 8226 2540 00 Knob, headphone, FX, CR300

7 8226 2550 00 Button, mode, FX, CR300

8 8226 2560 00 Button, manual, FX, L, CR300

9 8226 2580 00 Button, REC, FX, CR300

10 . . .

11 8226 2570 00 Button, manual, FX, R, CR300

12 8226 2610 00 Knob assy, VOL, CR300

13 8226 2520 00 Knob, REC, FX, L, CR300

14 8226 2530 00 Knob, REC, FX, R, CR300

15 8216 7180 00 Sheet, FL, CR300

Ref. No. Part No. Description

16 8212 6660 00 Window, FL, CR300

17 8212 6670 00 Lens, LED, CR300

18 8226 2600 00 Ring, REC, CR300

19 8212 6680 00 Lens, operation, CR300

20 8212 6860 00 Panel, sub, CR300

21 8212 6870 00 Panel, front, CR300

22 8226 2590 00 Button, play, FX, CR300

23 8204 1870 00 Screw, PPZ30P100FMC

24 . . .

25 N/A Getter label, USA

26 8236 0841 00 IC, EPROM, CR300

27 8277 4880 00 Cable, 2mm pitch, parallel, 5P, L150

28 8274 2420 00 PCB assy, Function B, CR300

COM

PACT DISC RECORDER

2323

23

8

7

17 19

26

3

9

18

22

5

2

621

Accessories for the VR ASSY

1314

20

23

4

AA

11

15

16

25

12

1

27

28

Page 29

CR300

29

5-1-4. LOADING MECHANISM SECTIONRef. No. Part No. Description

1 8277 4940 00 Cable, 32P, FCC/30V

2 N/A Earth lead unit

3 8277 4950 00 Cable assy, 2P, CR300

4 8249 0430 00 DC motor, CR300

5 8204 1900 00 Screw, DBA1055

6 N/A Motor pulley

7 8204 1910 00 Screw, VBA1055

8 8214 3920 00 Spring, tray stopper, CR300

9 8216 7190 00 Belt, rubber, CR300

10 8212 6760 00 Base, loading, CR300

11 8212 6770 00 Tray, CR300

12 8212 6780 00 Pulley, gear, CR300

13 8212 6790 00 Gear, loading, CR300

14 8212 6800 00 Gear, drive, CR300

15 8212 6810 00 Cam, drive, CR300

Ref. No. Part No. Description

16 8212 6830 00 Plate, lock, CR300

17 8212 6840 00 Stopper, tray, CR300

18 N/A CD-RW servo mecha assy

19 8204 1510 00 Screw, BBZ26P040FMC

20 8214 3840 00 Screw, IPZ20P080FMC

21 8260 5710 00 Loading motor assy, CR300

22 N/A Loading mechanism assy

23 8221 3040 00 Plate, clamper, CR300

24 8221 3050 00 Bridge, CR300

25 8212 6820 00 Clamper, CR300

26 8214 3830 00 Screw, IPZ26P060FCU

27 N/A Loading A assy

28 N/A Loading B assy

29 8216 7200 00 Holder, tray, CR300

30 8212 6850 00 Spacer, bridge, CR300

31 8221 3080 00 Stopper, CR300

· Bottom View

8

17

11

3

21

28

9

23

22

24

5

2

18

20

12

Loading Base

13

6

4

26

26

29

25

19

151

14

16

10

7

27

A

A

30

31

Page 30

CR300

30

5-1-5. SERVO MECHANISM SECTIONRef. No. Part No. Description

1 N/A PCB assy, Servo Mech

2 8260 5670 00 DC motor assy, CR300

3 N/A DC motor

4 8216 7160 00 Rubber, float, A, CR300

5 8216 7170 00 Rubber, float, B, CR300

6 N/A Rack spring

7 N/A Mirror sheet

8 8212 6690 00 Base, servo, CR300

9 8212 6700 00 Gear, pinion, CR300

10 8212 6710 00 Gear, A, CR300

11 8212 6720 00 Gear, B, CR300

12 8212 6730 00 Gear, C, CR300

13 8212 6740 00 Rack, CR300

Ref. No. Part No. Description

14 8212 6750 00 Stopper, rack, CR300

15 N/A Disc table

16 8221 3030 00 Base, carriage, S, CR300

17 . . .

18 8223 3000 00 Bar, guide, CR300

19 8223 3010 00 Bar, guide, sub, CR300

20 N/A Magnet

21 8260 5680 00 Pickup, CD-R, CR300

22 8204 1930 00 Screw, IPZ20P060FMC

23 8204 1940 00 Screw, PMZ20P030FMC

24 8204 1890 00 Screw, JGZ17P030FMC

25 8260 5690 00 Disc table assy, CR300

26 8260 5700 00 Carriage motor assy, CR300

Spacer

Spacer

OK NG

A 21

2.8mm

11mm

Disc table Assy(Pressure of about 9kg)

CarriageBase

PCB

Stopper

Spindle motor

Spacer settingPosition

Spacer

Servo Base

A

How to Install the Disc Table1 Use nippers or other tool to cut the two sections marked A in figure 1 .2 While supporting the spindle motor shaft with the stopper, put spacer on

top of the carriage base, and stick the disc table on top (takes about 9kg pressure). Take off the spacer.

11

21

5

8

18

19

16

20

15

7

2

25

22

3

23

1

26

4

9

10

24

121422

6

SERVO MECH ASSY

Carriage Base S

13

· Bottom View

Page 31

CR300

31

5-2-

1. F

UN

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ION

, TR

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OR

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Page 32

CR300

32

5-2-

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s

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Page 33

CR300

33

F

oil s

ide

Page 34

CR300

34

5-2-

3. A

UD

IO, I

NP

UT

& P

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PC

Bs

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Page 35

CR300

35

F

oil s

ide

Page 36

CR300

36

5-2-4. LOADING A / B & SERVO MECH PCBs

LOADING A PCB ASS'Y

LOADING BPCB ASS'Y

SERVODIGITAL PCB

CN352

SERVO MECHPCB ASS'Y

SERVO DIGITAL PCBCN353

Page 37

CR300

37

6. C

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Page 38

CR300

38

6-2.

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XW

E

XA

DS

EL

NC

VC

C

PR

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EC

T

CR

CO

K

SIC

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XS

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AIN

AIN

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AO

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AO

UT

PE

GN

D

AC

K

AT

IP

SP

SE

L

MD

P

SB

SY

FS

K

WB

L

24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

VCC

SYD5

SYD4

SYD3

SYD2

SYD1

SYD0

SYA15

SYA14

SYA13

GND

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9 38

37

36 3

5 34

33

32 3

1 30

29

28 2

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A14

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1

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LV

FG

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L

MD

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AI

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CM

RF

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XR

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CD

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XL

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DA

TA

CL

OK

XL

2

LR

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EN

BL

VW

DC

2R

VW

DC

2R

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XLAT

CLOK

DATA

LRST

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SCOR

SQSI

SQCK

STCN4STCN3STCN1STCN2

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C22647/16

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CLOK

DATA

LRST

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SCOR

SQSI

SQCK

LIN

LOUT

SE

RV

O_

DIG

ITA

L(5

/6)

FU

NC

TIO

N A

CN

70

1

SERVO_DIGITAL(4/6)

SERVO_DIGITAL(6/6)

SERVO_DIGITAL(3/6)

SERVO_DIGITAL(2/6)

Page 39

CR300

39

6-2-

2. R

F P

RO

CE

SS

OR

BLO

CK

(2/

6)

AV

DD

1R

EC

DIN

RR

FM

PX

OU

TA

UX

1A

UX

2A

UX

3G

INH

INE

INF

INH

AV

CD

INC

INB

INA

IN AVDD3FPDINFVREFFPDOWREFVWDCVWDCNMPPTEINTEFEBIASAGND1VREFNC (VSS)XLATSDATASCLKMCLK

80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61123456789

1011121314151617181920

6059585756555453525150494847464544434241

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TESTEQREPTESTEQRFN

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MP

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DE

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DE

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1 2 3 4 5 6 7 8 9 10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

1 2 3 4 5 6 7 8 9 10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

MA

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1 2 3 4 5 6 7 8

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n:

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Ele

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ap

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ito

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CE

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Ce

ram

ic C

CS

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mic

CK

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ram

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mic

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Ce

ram

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CS

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catio

n: 1

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OT

HE

RS : C

hass

is G

ND

CA

UT

ION

GN

DS

SERVO_DIGITAL(3/6)

SERVO_DIGITAL(5/6)

SERVO_DIGITAL(3/6)

SERVO_DIGITAL(1/6)

SERVO_DIGITAL(6/6)

Page 40

CR300

40

6-2-

3. S

ER

VO

BLO

CK

(3/

6)

PW

M20

PW

M2+

PW

M3

PW

M30

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DL-

SP

DLO

RE

FV

GN

DR

EF

INC

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TC

TR

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CR300

41

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Page 42

CR300

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47/16

MUTE

OPIN1+

FWD1

REV1

OPIN11-

OPOUT11

OPIN12-

GND

OPOUT12

SW

OUT1-

OUT1+

REV

LDOUT-

28

27

26

25

24

23

22

21

20

19

18

17

16

15

VREF

OPIN21+

FWD2

REV2

OPIN21-

OPOUT21

OPIN22

Vcc

OPOUT22

OUT2-

OUT2+

FWD

LDOUT+

LDVcc

1

2

3

4

5

6

7

8

9

10

11

12

13

14

30 29

YB

100/16

C358

C35

447

0P

R359

GN

DU

10K

YB

C359

C36

3 6

80P

C390

R36

0

YB

10K

470P

YB680P

C357

470P

YB

IC352 BA5932FP

C362

680P

R36

520

KR

366

10K

GN

DU

YB

1

2

3

4

5

6

7

8

9

10

11

12

13

25

24

23

22

21

20

19

18

17

16

15

14

GND

MUTE1

REF1

Pow Vcc1

OUT1-

OUT1+

GND

OUT2+

OUT2-

Pow Vcc2

Pre Vcc

REF2

MUTE2

IN1'

IN1

OP2-OUT

OP2-IN-

OP2-IN+

BIAS

GND

OP1-IN+

OP1-IN-

OP1-OUT

IN2

IN2'

2726

YB

YB

C35

110

00P

R35

139

KR

355

22K

R35

822

K

C35

268

00P

C35

368

00P

IC351 BA5912AFP-Y

R352SPDL

47K

R356100K

R357100K

YB

R37

110

R36

8

V+

U

C36

50.

0110

K

R36

7

C36

60.

01

R36

910

V+

5A

R37

210R

370

10

C36

70.

01

10K

GN

DU

YB

YBYB

C386100/16

C36

80.

01

YB

C2960.01

C2970.01

C2990.01

C2980.01

R39110

R39210

R39410

R39310YB

YB

YB

YB

T+

T-

F-

F+

FE

TE

RF

DC

RF

AC

CO

MP

T+

T-

F-

F+

FE

T+

T-

F-

F+

FE

RFDC

RFAC

TE

RFDC

RFAC

TE

VC

DFCT

TZC

CN

352

V+

5A

TR

AY

GN

DA L- L+

1 2 3 4 5

L- L+G

ND

A

V+

5A

LOADING ACN501

SERVO MECHCN601

SL-

SL+

SP

+

SP

-

TO

CP

OS

GN

DA

V+

5A FG

1 2 3 4 5 6 7 8 9

SL-

SL+

SP

+

SP

-

CN

353

GN

DU

GN

DA

EU

R: 8

2742

3200

6U

SA

: 827

4232

003

SE

RV

O D

IGIT

AL

PC

B A

SS

'Y

DE

CO

DE

R B

LOC

K

CD

RM

IRR

CD

MD

P

SP

DL

FG

CD

RM

IRR

CD

MD

P

SP

DL

FG

DE

C

SERVO_DIGITAL(3/6)

SE

RV

O_

DIG

ITA

L(2

/6)

POWER_SUPPLYJ21SERVO_DIGITAL

(4/6)

SERVO_DIGITAL(1/6)