MDS-JE640

SERVICE MANUAL
Canadian Model AEP Model UK Model E Model

Photo: SILVER

US and foreign patents licensed form Dolby Laboratories Licensing Corporation.
Model Name Using Similar Mechanism MD Mechanism Type Optical Pick-up Type

NEW MDM-7A KMS-260B/J1N

SPECIFICATIONS
System Disc Laser Laser output MiniDisc digital audio system MiniDisc Semiconductor laser ( = 780 nm) Emission duration: continuous MAX 44.6 W1) 1) This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture. Laser diode Revolutions (CLV) Error correction Sampling frequency Coding Modulation system Number of channels Frequency response Signal-to-noiseratio Wow and flutter Material: GaAlAs 400 rpm to 900 rpm ACIRC (Advanced Cross Interleave Reed Solomon Code) 44.1 kHz ATRAC (Adaptive TRansform Acoustic Coding)/ATRAC 3 EFM (Eight-to-Fourteen Modulation) 2 stereo channels 5 to 20,000 Hz 0.3 dB Over 98 dB during play Below measurable limit Inputs ANALOG IN Jack type: phono Impedance: 47 k Rated input: 500 mVrms Minimum input: 125 mVrms Connector type: square optical Impedance: 660 nm (optical wave length) Connector type: square optical Impedance: 660 nm (optical wave length) Jack type: phono Impedance: 75 Rated input: 0.5 Vp-p, 20 %

DIGITAL IN

DIGITAL OPTICAL IN (AEP, UK, CIS models) DIGITAL COAXIAL IN (AEP, UK, CIS models) Outputs PHONES (MDS-JE640 only) ANALOG OUT
Jack type: stereo phone Rated output: 28 mW Load impedance: 32 Jack type: phono Rated output: 2 Vrms (at 50 k) Load impedance: over 10 k

Continued on next page

MINIDISC DECK

DIGITAL OUT

Connector type: square optical Rated output: 18 dBm Load impedance: 660 nm (optical wave length)
Power consumption Dimensions (approx.)
15 W 285 mm (3/1/4 in.) (w/h/d) incl. projecting parts and controls 3.1 kg (6 lbs 14 oz)
DIGITAL OPTICAL OUT Connector type: square optical (AEP, UK, CIS models) Rated output: 18 dBm Load impedance: 660 nm (optical wave length) General Power requirements Where purchas ed Canadian AEP, UK, CIS Singapore, Malaysia Power requir ements 120 V AC, 60 Hz V AC, 50/60 Hz or V AC selectable, 50/60 Hz

Mass (approx.)

Supplied accessories Audio connecting cords (2) Optical cable (1) Remote commander (remote) (1) R6 (size-AA) batteries (2)
US and foreign patents licensed from Dolby Laboratories. Design and specifications are subject to change without notice.

SELF-DIAGNOSIS FUNCTION

The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box in the instruction manual. For details on how to check error codes during servicing, refer to the following Procedure for using the SelfDiagnosis Function (Error History Display Mode).

Self-diagnosis function

The decks self-diagnosis function automatically checks the condition of the MD deck when an error occurs, then issues a three- or five-digit code and an error message on the display. If the code and message alternate, find them in the following table and perform the indicated countermeasure. Should the problem persist, consult your nearest Sony dealer.

Three- or fivedigit code/ Message C11/Protected Cause/Remedy The inserted MD is record-protected. , Take out the MD and close the recordprotect slot (page 14). You tried to record a CD with a format that the external device connected to the deck does not support, such as CD-ROM or video CD. , Remove the disc and insert a music CD. The recording was not made properly. , Set the deck in a stable surface, and repeat the recording procedure. The inserted MD is dirty (with smudges, fingerprints, etc.), scratched, or substandard in quality. , Replace the disc and repeat the recording procedure. The deck could not read the TOC on the MD properly. , Take out the MD and insert it again.
Three- or fivedigit code/ Message
Cause/Remedy The deck could not read the TOC on the MD properly. , Insert another disc. , If possible, erase all the tracks on the MD (page 32). The sound source is a copy of commercially available music software, or you tried to record a CD-R (Recordable CD). , The Serial Copy Management System prevents making a digital copy (page 52). You cannot record a CD-R. The sporadic appearance of this message is caused by the digital signal being recorded. This will not affect the recording.

C14/Toc Error

C41/Cannot Copy

C12/Cannot Copy

C71/Din Unlock

C13/REC Error

E0001/ MEMORY NG
While recording from a digital component connected through the DIGITAL IN connector, the digital connecting cable was unplugged or the digital component turned off. , Connect the cable or turn the digital component back on. There is an error in the internal data that the deck needs in order to operate. , Consult your nearest Sony dealer. There is a problem with the optical pickup. , The optical pick-up may have failed. Consult your nearest Sony dealer.

E0101/ LASER NG

C13/Read Error
Procedure for using the Self-Diagnosis Function (Error History Display Mode). Note: Perform the self-diagnosis function in the error history display mode in the test mode. The following describes the least required procedure. Be careful not to enter other modes by mistake. If you set other modes accidentally, press the MENU/NO button to exit the mode.
1. While pressing the AMS knob and x button, connect the power plug to the outlet, and release the AMS knob and x button. When the test mode is set, [Check] will be displayed. 2. Rotate the AMS knob and when [Service] is displayed, press the YES button. 3. Rotate the AMS knob and display Err Display. 4. Pressing the YES button sets the error history mode and displays op rec tm. 5. Select the contents to be displayed or executed using the AMS knob. 6. Pressing the AMS knob will display or execute the contents selected. 7. Pressing the AMS knob another time returns to step 4. 8. Pressing the MENU/NO button displays Err Display and exits the error history mode. 9. To exit the test mode, press the REPEAT button. The unit sets into the STANDBY state, the disc is ejected, and the test mode ends.

ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS
Selecting the Test Mode Display op rec tm History Displays the total recording time. When the total recording time is more than 1 minute, displays the hour and minute When less than 1 minute, displays Under 1 min The display time is the time the laser is set to high power, which is about 1/4 of the actual recording time. Displays the total playback time. When the total playback time is more than 1 minute, displays the hour and minute When less than 1 minute, displays Under 1 min Displays the total rotating time of the spindle motor. When the total rotating time is more than 1 minute, displays the hour and minute When less than 1 minute, displays Under 1 min Displays the total number of retry errors during recording and playback Displays r xx p yy. xx is the number of errors during recording. yy is the number of errors during playback. This is displayed in hexadecimal from 00 to FF. Displays the total number of errors Displays total xx. This is displayed in hexadecimal from 00 to FF. Displays the past ten errors. Displays 0x ErrCd@@. X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the error code. Select the error history number using the AMS knob. Displays the past five retry addresses. Displays xx ADRS yyyy, xx is the history number, yyyy is the cluster with the retry error. Select the error history number using the AMS knob. Mode for erasing the error and retry address histories Procedure 1. Press the AMS knob when displayed as er refresh. 2. Press the YES button when the display changes to er refresh?. When complete! is displayed, it means erasure has completed. Be sure to check the following after executing this mode. *Data has been erased. *Perform recording and playback, and check that the mechanism is normal. Mode for erasing the total time of op rec tm, op play tm. These histories are based on the time of replacement of the optical pickup. If the optical pick-up has been replaced, perform this procedure and erase the history. Procedure 1. Press the AMS knob when displayed as op change. 2. Press the YES button when the display changes to op change?. When Complete! is displayed, it means erasure has completed. Mode for erasing the total spdl rp tm time These histories are based on the time of replacement of the spindle motor. If the spindle motor has been replaced, perform this procedure and erase the history. Procedure 1. Press the AMS knob when displayed as spdl change 2. Press the YES button when the display changes to spdl change? When Complete! is displayed, it means erasure has completed.

op play tm

spdl rp tm

retry err

total err

err history

retry adrs

er refresh

op change

spdl change

Table of Error Codes
Error Code 51 Could not load Loading switches combined incorrectly Timed out without reading the top of PTOC Could read top of PTOC, but detected error Timed out without accessing UTOC Timed out without reading UTOC Error in UTOC Could not start playback Error in sector Retry cause generated during normal recording Retried in DRAM overflow Retry occurred during TOC writing Retry aborted during S.F editing Other than access processing, and could not read address. Focus NG occurred and overran. Description
TABLE OF CONTENTS 1. SERVICING NOTES.. 5 2. GENERAL.. 11 3. DISASSEMBLY
3-1. Upper Case (408226)... 12 3-2. Front Panel Section... 12 3-3. Main Board... 13 3-4. PT Board, VOL-SEL Board.. 13 3-5. Mechanism Deck Section (MDM-7A).. 14 3-6. BD Board... 14
4. TEST MODE... 15 5. ELECTRICAL ADJUSTMENTS. 20 6. DIAGRAMS
6-1. Circuit Boards Location.. 31 6-2. Block Diagrams BD Section... 32 Main Section... 33 6-3. Printed Wiring Board BD Section .. 35 6-4. Schematic Diagram BD Section (1/2) .. 36 6-5. Schematic Diagram BD Section (2/2) .. 37 6-6. Printed Wiring Board Main Section (Side A) .. 38 6-7. Printed Wiring Board Main Section (Side B) .. 39 6-8. Schematic Diagram Main Section (1/3) . 40 6-9. Schematic Diagram Main Section (2/3) . 41 6-10. Schematic Diagram Main Section (1/3) . 42 6-11. Printed Wiring Board Power Section .. 43 6-12. Printed Wiring Board Display Section .. 44 6-13. Schematic Diagram Display Section . 45 6-14. IC Block Diagrams... 46 6-15. IC Pin Functions... 48

MODEL IDENTIFICATION

BACK PANEL

Part No.

AEP, UK, CIS models Canadian model SP, MY models Abbreviation SP : Singapore model MY : Malaysia model

PARTS No.

4-228-638-0s 4-228-638-3s 4-228-638-4s

7. EXPLODED VIEWS

7-1. Chassis Section.. 54 7-2. Front Panel Section... 55 7-3. Mechanism Section-1 (MDM-7A).. 56 7-4. Mechanism Section-2 (MDM-7A).. 57

4-6. FUNCTIONS OF OTHER BUTTONS
Function G Contents Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo turns ON/OFF. x M m REC MODE PLAY MODE LEVEL/DISPLAY/CHAR A REPEAT Stops continuous playback and continuous recording. The sled moves to the outer circumference only when this is pressed. The sled moves to the inner circumference only when this is pressed. Switches between the pit and groove modes when pressed. Switches the spindle servo mode (CLV S y CLV A). Switches the displayed contents each time the button is pressed. Ejects the disc. Exits the test mode.

4-7. TEST MODE DISPLAYS

Each time the LEVEL/DISPLAY/CHAR button is pressed, the display changes in the following order. When CPLAY and CREC are started, the display will forcibly be switched to the error rate display as the initial mode. 1. Mode display Displays TEMP ADJUST, CPLAY1MODE, etc. 2. Error rate display Displays the error rate in the following way. C1 = AD = C1 = Indicates the C1 error. AD = Indicates ADER. 3. Address display The address is displayed as follows. (MO:recordable disc, CD:playback only disc) If the LEVEL/DISPLAY/CHAR button is pressed after pressing the PROGRAM button, the display switches from groove to pit or vice versa. h= s= (MO pit and CD) a= (MO groove) h= h = Indicates the header address. s = Indicates the SUBQ address. a = Indicates the ADIP address. Note: is displayed when the address cannnot be read.
Mode display Error rate display Address display Auto gain display (Not used in servicing) Detrack check display (Not used in servicing) IVR display (Not used in servicing) C1 error and Jitter display (Not used in servicing) AD error and Jitter display (Not used in servicing)
4-8. MEANINGS OF OTHER DISPLAYS
Contents Display G X REC SYNC L.SYNC OVER B/1 A-/REP TRACK/(LP) 4/Calendar frame DISC/LP2 SLEEP/SHUF MONO Servo ON Tracking servo OFF Recording mode ON CLV low speed mode ABCD adjustment completed Tracking offset cancel ON Tracking auto gain OK Focus auto gain OK Pit High reflection CLV S CLV LOCK Groove Low reflection CLV A CLV UNLOCK Tracking offset cancel OFF When Lit Servo OFF Tracking servo ON Recording mode OFF CLV normal mode When Off
4-9. AUTOMATIC SELF-DIAGNOSIS FUNCTION
This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up. To perform this test mode, the laser power must first be checked. Perform AUTO CHECK after the laser power check and Iop check. Procedure 1. Press the YES button. If LDPWR is displayed, it means that the laser power check has not been performed. In this case, perform the laser power check and Iop compare, and then repeat from step 1. 2. If a disc is in the mechanical deck, it will be ejected forcibly. DISC IN will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded. 3. If a disk is loaded at step 2, the check will start automatically. 4. When XX CHECK is displayed, the item corresponding to XX will be performed. When 06 CHECK completes, the disc loaded at step 2 will be ejected. DISC IN will be displayed. Load the check disc (MD) TDYS-1. 5. When the disc is loaded in step 4, the check will automatically be resumed from 07 CHECK. 6. After completing to test item 12, check OK or NG will be displayed. If all items are OK, CHECK ALL OK will be displayed. If any item is NG, it will be displayed as NG:xxxx. When CHECK ALL OK is displayed, it means that the optical pick-up is normal. Check the operations of the other spindle motor, thread motor, etc. When displayed as NG:xxxx, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.

To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eye-sight.
5-3. PRECAUTIONS FOR USE OF OPTICAL PICKUP (KMS-260B)
As the laser diode in the optical pick-up is easily damaged by static electricity, solder the laser tap of the flexible board when using it. Before disconnecting the connector, desolder first. Before connecting the connector, be careful not to remove the solder. Also take adequate measures to prevent damage by static electricity. Handle the flexible board with care as it breaks easily.

pick-up flexible board

laser tap
Optical pick-up flexible board
5-4. PRECAUTIONS FOR ADJUSTMENTS
1) When replacing the following parts, perform the adjustments and checks with in the order shown in the following table. 2) Set the test mode when performing adjustments. After completing the adjustments, exit the test mode. Perform the adjustments and checks in group S of the test mode. 3) Perform the adjustments to be needed in the order shown. 4) Use the following tools and measuring devices. Check Disc (MD) TDYS-1 (Parts No. 4-963-646-01) Test Disk (MDW-74/GA-1) (Parts No. 4-229-747-01) Laser power meter LPM-8001 (Parts No. J-2501-046-A) or MD Laser power meter 8010S (Parts No. J-2501-145-A) Oscilloscope (Measure after performing CAL of prove.) Digital voltmeter Thermometer Jig for checking BD board waveform (Parts No. : J-2501-196-A) 5) When observing several signals on the oscilloscope, etc., make sure that VC and ground do not connect inside the oscilloscope. (VC and ground will become short-circuited.) 6) Using the above jig enables the waveform to be checked without the need to solder. (Refer to Servicing Note on page 6.) 7) As the disc used will affect the adjustment results, make sure that no dusts nor fingerprints are attached to it.
Parts to be replaced Adjustment 5-7. Initial setting of adjustment values 5-8. Recording of Iop information 5-9. TEMP ADJUST 5-10. Laser power adjustment 5-11. Iop NV Save 5-12. Traverse adjustment 5-13. Focus bias adjustment 5-16. Auto gain adjustment 5-6-4. AUTO CHECK Optical Pick-up IC101 IC102 IC151 IC190 IC195 D101
5-5. USING THE CONTINUOUSLY RECORDED DISC
* This disc is used in focus bias adjustment and error rate check. The following describes how to create a continuous recording disc. 1. Insert a disc (blank disc) commercially available. 2. Rotate the AMS knob and display CREC1 MODE. 3. Press the YES button again to display CREC1 MID. Display CREC (0300) and start to recording. 4. Complete recording within 5 minutes. 5. Press the MENU/NO button and stop recording. 6. Press the AEJECT button and remove the disc. The above has been how to create a continuous recorded data for the focus bias adjustment and error rate check. Note : Be careful not to apply vibration during continuous recording.
Checking Procedure: 1. Set the laser power meter on the objective lens of the optical pick-up. (When it cannot be set properly, press the m button or M button to move the optical pick-up.) Connect the digital volt meter to CN105 pin 1 (I+3V) and CN105 pin 2 (IOP). 2. Then, rotate the AMS knob and display LDPWR CHECK. 3. Press the YES button once and display LD 0.9 mW $. Check that the reading of the laser power meter become 0.84 to 0.92 mW. 4. Press the YES button once more and display LD 7.0 mW $. Check that the reading the laser power meter and digital volt meter satisfy the specified value. Specified Value : Laser power meter reading : 7.0 0.2 mW Digital voltmeter reading : Optical pick-up displayed value 10% (Optical pick-up label)

B.P.F. ABCD AMP

ABCD FOCUS ERROR AMP FE

79 F0CNT SPINDLE SERVO

E DETECTOR C D E F

CPU INTERFACE

MONITOR CONTROL

A00 A09

34 31, 36 40, 45

5, 9 12, 14 18

SWDT SCLK XLAT

MNT0 MNT1 MNT2 MNT3
E F I-V AMP TRACKING ERROR AMP

EQ 3T WBL

COMMAND ILCC PD LD AUTOMATIC POWER CONTROL Q121, APC LD/PD AMP

SHOCK XBUSY

SERIAL/PARALLEL CONVERTER, DECODER

V-I CONVERTER

SWDT SCLK
XOE 43 XWE 47 XRAS 46 XCAS 44

OE WE RAS CAS SWDT, SCLK

LASER DIODE

APCREF

LASER ON SWITCH Q101

DQ1 DQ4

1, 2, 24, 25
ADIP DEMODULATOR/ DECODER

49, 48, 50, 51

SUBCODE PROCESSOR

INTERNAL BUS

29 LDON 47 DIG-RST 35 WR-PWR
16 PSB M101 (SPINDLE) SPFD SPRD XRST 13 RECP AUTOMATIC POWER CONTROL 64

OUT4F OUT4R

IN4R IN4F
AUX1 ABCD FE TE SE PEAK BOTM
FOCUS/TRACKING COIL DRIVE, SPINDLE/SLED MOTOR DRIVE IC141
SYSTEM CONTROLLER IC1 (1/2)
MNT1 (SHOCK) MNT2 (XBUSY)
LRCK1 LRCK 34 DATA1 CLIP DATA 44 XBCK1 CLIP CLK 46

SCLK XLATCH

SIGNAL PATH : PLAY (ANALOG OUT) : PLAY (DIGITAL OUT) : REC (ANALOG IN) : REC (DIGITAL IN)

14 MOD

UNREG +5V

LIMIT-IN 30

S101 (LIMIT IN) S103 (OUT SW)
LOADING MOTOR DRIVE IC440

M102 (SLED)

27 OUT2F 25 OUT2R

IN2F 29 IN2R 30

SFDR SRDR

ANALOG MUX

REFERENCE VOLTAGE SWITCH Q440, LD-LOW

OUT-SW 51

PWM GENERATOR
A/D CONVERTER DIGITAL SERVO SIGNAL PROCESS

PLAY-SW 49

2 FROM CPU INTERFACE XLRF XLAT 80 CKRF SCLK 81 DTRF SWDT 82 HF MODULE SWITCH IC102, Q131 134

10 REC-P 43

S104 (PLAY SW)

2-AXIS DEVICE

(TRACKING)

(FOCUS)

21 OUT1F 23 OUT1R

IN1F 19 IN1R 18

Abbreviation APC: Auto Power Control AGC: Auto Gain Control
IC151 CXD2662R Digital Signal Processor, Digital Servo Signal Processor (BD BOARD) Pin No. 31 to 36 to Pin Name MNT0 (FOK) MNT1 (SHCK) MNT2 (XBUSY) MNT3 (SLOC) SWDT SCLK XLAT SRDT SENS XRST SQSY DQSY RECP XINT TX OSCI OSCO XTSL DIN0 DIN1 DOUT DADTI LRCKI XBCKI ADDT DADT LRCK XBCK FS256 DVDD A03 to A00 A10 A04 to A08 A11 DVSS XOE XCAS A09 XRAS XWE I/O O O O O I I (S) I (S) O (3) O (3) I (S) O O I O I I O I I I O I I I I O O O O O O O O O O O O O H is output when focus is on Track jump detection signal output to the system control (monitor output) Monitor 2 output to the system control (monitor output) Monitor 3 output to the system control (monitor output) Writing data signal input from the system control Serial clock signal input from the system control Serial latch signal input from the system control Reading data signal output to the system control Internal status (SENSE) output to the system control Reset signal input from the system control L: Reset Subcode Q sync (SCOR) output to the system control L is output every 13.3 msec. Almost all, H is output Digital In U-bit CD format or MD format subcode Q sync (SCOR) output to the system control Laser power switching input from the system control Interrupt status output to the system control Recording data output enable input from the system control System clock input (512Fs=22.5792 MHz) System clock output (512Fs=22.5792 MHz) (Not used) System clock frequency setting L: 45.1584 MHz, H: 22.5792 MHz (Fixed at H) Digital audio input (Optical input) Digital audio input (Optical input) Digital audio output (Optical output) Serial data input LR clock input H : Lch, L : R ch Serial data clock input Data input from the A/D converter Data output to the D/A converter LR clock output for the A/D and D/A converter (44.1 kHz) Bit clock output to the A/D and D/A converter (2.8224 MHz) 11.2896 MHz clock output (Not used) +3V power supply (Digital) DRAM address output DRAM address output (Not used) DRAM address output DRAM address output (Not used) Ground (Digital) Output enable output for DRAM CAS signal output for DRAM Address output for DRAM RAS signal output for DRAM Write enable signal output for DRAM H: Recording, L: Playback Function FOK signal output to the system control (monitor output)
* I (S) stands for Schmidt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O

Pin No. 50, 85 D1 D0

Pin Name
I/O I/O I/O I/O I (S) O I (A) I (A) I (A) O (3) I (A) I (A) I (A) I (A) I (A) I (A) I (A) I (A) I (A) I (A) I (A) I (A) I (A) I (A) I (S) O O O O O O O Data input/output for DRAM

Function

D2, D3 MVCI ASYO ASYI AVDD BIAS RFI AVSS PCO FILI FILO CLTV PEAK BOTM ABCD FE AUX1 VC ADIO AVDD ADRT ADRB AVSS SE TE DCHG APC ADFG F0CNT XLRF CKRF DTRF APCREF TEST0 TRDR

Clock input from an external VCO (Fixed at L) Playback EFM duplex signal output Playback EFM comparator slice level input +3V power supply (Analog) Playback EFM comparator bias current input Playback EFM RF signal input Ground (Analog) Phase comparison output for the recording/playback EFM master PLL Filter input for the recording/playback EFM master PLL Internal VCO control voltage input for the recording/playback EFM master PLL Light amount signal peak hold input from the CXA2523AR Light amount signal bottom hold input from the CXA2523AR Light amount signal input from the CXA2523AR Focus error signal input from the CXA2523AR Auxiliary A/D input Middle point voltage (+1.5V) input from the CXA2523AR +3V power supply (Analog) A/D converter operational range upper limit voltage input (Fixed at H) A/D converter operational range lower limit voltage input (Fixed at L) Ground (Analog) Sled error signal input from the CXA2523AR Tracking error signal input from the CXA2523AR Connected to +3V power supply Error signal input for the laser digital APC (Fixed at L) ADIP duplex FM signal input from the CXA2523AR (22.kHz) Filter f0 control output to the CXA2523AR Control latch output to the CXA2523AR Control clock output to the CXA2523AR Control data output to the CXA2523AR Reference PWM output for the laser APC PWM output for the laser digital APC (Not used) Tracking servo drive PWM output ()
O (A) Filter output for the recording/playback EFM master PLL
O (A) Monitor output of the A/D converter input signal (Not used)
Abbreviation EFM: Eight to Fourteen Modulation PLL : Phase Locked Loop VCO: Voltage Controlled Oscillator

Pin No. 96 to 100 TFDR

Pin Name DVDD FFDR FRDR FS4 SRDR SFDR SPRD SPFD FGIN TEST1 to TEST3 DVSS EFMO
I/O O O O O O O O O I (S) I O Tracking servo drive PWM output (+) +3V power supply (Digital) Focus servo drive PWM output (+) Focus servo drive PWM output ()
176.4 kHz clock signal output (Xtal) (Not used) Sled servo drive PWM output () Sled servo drive PWM output (+) Spindle servo drive PWM output () Spindle servo drive PWM output (+) Test input (Fixed at L) Ground (Digital) EFM output when recording

Abbreviation EFM: Eight to Fourteen Modulation
IC1 M30805SGP SYSTEM CONTROL (MAIN BOARD)
Pin No. 5 to Pin Name DATA(FL) CLK(FL) A1-IN SIRCS NC MUTE AD/DA RESET AD/DA LATCH LD-LOW LDIN LDOUT MOD BYTE CNVSS XIN-T XOUT-T RESET XOUT VSS XIN VCC NMI DQSY P.DOWN SQSY K.B-CLK LDON LIMIT-IN A1 OUT XINIT BEEP LRCKI WR PWR IIC CLK IIC DATA SWDT VCC SRDT VSS SCLK REC-SW CLIP DATA RX0(CLIP) CLIP CLK DIG-RST SENS PLAY-SW XLATCH OUT-SW RDY ALE/RAS HOLD I/O O O I I O O O O I O O I O O I O I I I I I I O I O I O I O I/O I/O O I O I O I O O I I O I I O I Function Serial data signal output to the display driver. Serial clock signal output to the display driver. L: Active A1 Control input. (Fixed at L) Remote control input. Not used. Line out muting output. L: Mute Reset signal output to the AK4524. L: Active Latch signal output to the AK4524. L: Active Loading motor voltage control output L: High voltage H: Low voltage Loading motor control input. H: IN Loading motor control output. H: OUT Laser modulation switching signal output. L: OFF H: ON Data bus changed input. (Connected to ground.) Ground. Not used. Not used. System rest input. L : ON Main clock output. (10MHz) Ground. Main clock input. (10MHz) Power supply. (+3.3V) Fixed at H. (Pull-up) Digital in sync input. (Record system) Power down detection input. L: Power down ADIP (MO) sync or subcode Q (PIT) sync input from CXD2662R.(Playback system) Keyboard clock input. Laser ON/OFF control output. H: Laser ON Detection input from the limit switch. L: Sled limit-In H: Sled limit-Out A1 Control output. Interrupt status input from CXD2662R. Beep output. LR clock input. Write power ON/OFF output. L: OFF H: ON IIC serial clock input/output. IIC serial data input/output. Writing data signal output to the serial bus. Power supply. (+3.3V) Reading data signal input from the serial bus. Ground. Clock signal output to the serial bus. Detection signal input from the recording position detection switch. L: REC CLIP serial data output. CLIP serial data input. CLIP serial clock output. Digital rest signal output to the CXD2662R and motor driver. L: Reset Internal status (SENSE) input from the CXD2662R. Detection signal input from the playback position detection switch. L: PLAY Latch signal output to the serial bus. Detection signal input from the loading out detection switch. Fixed at H. (Pull-up) Microprocessor mode output. (Not used.) Fixed at H. (Pull-up)
Pin No. 77 to to to to 117, to 122 123, to 143 144
Pin Name HLDA/ALE MNT2 (XBUSY) VSS (MNT1) SHCK VCC EEP-WP SDA BUS CLK OE BHE CASH WE R/W SCL REFLECT-SW PROTECT-SW CS0 CS1 CS2 A20 A19 VCC A18 VSS A17 to A9 MODEL SEL 1 to 4 WP VCC A8 VCC A7 to A0 LB D15 to D4 K.B-CLK-CTRL IIC BUSY K.B-DATA REC-VOL B, A D3 to D0 JOG1, JOG0 LATCH(DA) REC NC CS(FL) POWER(IIC) VSS STB VCC IOP (A/D-6) (A/D-5) TIMER/BEEP SW KEY 3 to KEY 1 AVSS KEY0 VREF AVCC NC

I/O O I I O I/O O O O O O I I O O O O O O O O O O O I/O O O O O I/O I O O O O O O I I I I I I I Microprocessor mode output. (Not used.)
Function In the state of executive command from the CXD2662R Ground. Track jump signal input from the CXD2662R Power supply. (+3.3V) EEP-ROM write protect signal output. L: write possibility Data signal input/output pin with the EEP-ROM. Not used. Read signal output. Not used. Write signal output. Clock signal output to the EEP-ROM. Disk reflection rate detection input from the reflect detection switch. H: Disk with low reflection rate Recording-protection claw detection input from the protection detection switch. H: Protect Chip select signal output to the Flash ROM. Not used. Not used. Not used. Address bus signal output to Flash ROM. Power supply. (+3.3V) Address bus signal output to Flash ROM. Ground Address bus signal output to Flash ROM. Not used. Write protect signal to the Flash ROM. Power supply. (+3.3V) Address bus signal output to Flash ROM. Power supply. (+3.3V) Address bus signal output to Flash ROM. Data bus signal input/output to the Flash ROM. Keyboard clock ON/OFF signal output. L: OFF H: ON IIC cable connect check. L: Active Keyboard data output. Not used. Data bus signal input/output to the Flash ROM. Jog dial pulse input from the rotary encoder. Not used. Mute signal output when Beep Rec. Not used. Chip select signal output to the display driver. Media commucator start-up check. Ground. Strobe signal output to the power supply circuit. H: Power supply ON: L: standby Power supply. (+3.3V) Optical Pick-up voltage (current) detect signal input. Model discrimination. Model discrimination. Timer mode select signal input. Key input pin (A/D input) Ground. (Analog) A/D reference voltage. Power supply. (+3.3V) Power supply. (+3.3V) Not used.

SECTION 7 EXPLODED VIEWS

NOTE: -XX, -X mean standardized parts, so they may have some differences from the original one. Items marked * are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference number in the exploded views are not supplied. Hardware (# mark) list and accessories and packing materials are given in the last of this parts list. Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) X Parts color Abbreviation CND : Canadian model SP : Singapore model MY : Malaysia model
The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Les composants identifis par une marque 0 sont critiques pour la scurit. Ne les remplacer que par une pice portant le numro spcifi.

CND SP,MY

7-1. CHASSIS SECTION

MDM-7A

UK AEP, UK, CIS, SP, MY

#1(SP, MY)

(SP, MY) #1

not supplied

not supplied not supplied
not supplied Front panel section #1

Ref. No. 2 * 3 * 12

Part No. X-4947-390-3 X-4952-299-1 4-983-762-02 3-703-150-11 3-644-407-00 1-677-820-11 4-228-689-01 4-228-643-01 1-792-812-11 1-792-811-11 4-221-887-01 4-210-291-01 4-210-291-11 4-983-661-01 4-983-661-41

Description

Remarks

Ref. No. 19 20

Part No. 1-777-071-61 1-783-531-31 4-966-267-12 4-228-638-01 4-228-638-31 4-228-638-41 1-569-972-21 A-4725-416-A A-4725-422-A A-4725-429-A 3-531-576-41 1-569-008-21 1-770-019-11 1-677-823-11
Description CORD, POWER (AEP,UK,CIS,SP,MY) CORD, POWER (CND) BUSHING (FBS001), CORD PANEL, BACK (AEP,UK,CIS) PANEL, BACK (CND)
FOOT ASSY (F50150S) (BLACK) FOOT ASSY (F50150S) (SILVER) CUSHION CLAMP CLIP, AC WIRE E PT BOARD INSULATOR SCREW (+BVTTWH M3), STEP WIRE (FLAT TYPE) (27 CORE) WIRE (FLAT TYPE) (23 CORE) SCREW, +PTTWH (M3) (S) TITE SCREW (CASE 3 TP2) (BLACK) SCREW (CASE 3 TP2) (SILVER) UPPER CASE (408226) (BLACK) UPPER CASE (408226) (SILVER)
PANEL, BACK (SP,MY) SOCKET, SHORT 2P MAIN BOARD, COMPLETE (CND) MAIN BOARD, COMPLETE (AEP,UK,CIS) MAIN BOARD, COMPLETE (SP,MY) RIVET (DIA. 3), NYLON ADAPTOR, CONVERSION 2P (SP,MY) ADAPTOR, CONVERSION PLUG 3P (UK) VOL-SEL BOARD (SP,MY)

7-2. FRONT PANEL SECTION

not supplied supplied with J791
supplied with RV791 not supplied

Ref. No. 59 59

Ref. No. * 65 * 66 67
Part No. 1-677-821-11 3-917-216-11 3-917-216-71 1-677-819-11 1-792-814-11 A-4725-412-A A-4725-418-A A-4725-424-A 4-996-686-11 4-949-935-51
Description HP BOARD KNOB (TIMER) (BLACK) KNOB (TIMER) (SILVER) KEY-SW BOARD WIRE (FLAT TYPE) (17 CORE)
X-4952-917-1 PANEL ASSY, FRONT (BLACK) (AEP,UK,CIS,SP,MY) X-4952-918-1 PANEL ASSY, FRONT (SILVER) X-4952-920-1 PANEL ASSY, FRONT (BLACK) (CND) A-4672-928-A KNOB (AMS) ASSY (BLACK) A-4672-929-A KNOB (AMS) ASSY (SILVER) 3-354-981-11 4-228-622-01 4-228-629-01 4-228-629-21 4-228-630-01 4-951-620-01 1-677-822-11 4-950-189-01 4-950-189-71 SPRING (SUS), RING WINDOW (FL) LID(MD) (BLACK) LID(MD) (SILVER) SPRING (LID), TENSION COIL SCREW (2.6X8), +BVTP KB BOARD KNOB (A) (VOL) (BLACK) KNOB (A) (VOL) (SILVER)
DISPLAY BOARD, COMPLETE (CND) DISPLAY BOARD, COMPLETE (AEP,UK,CIS) DISPLAY BOARD, COMPLETE (SP,MY) HOLDER (FL) CUSHION (FL)
4-977-593-11 RING(DIA. 50), ORNAMENTAL (AEP,UK,CIS,SP,MY) X-4952-923-1 ESCUTCHEON (MD) ASSY (BLACK) X-4952-925-1 ESCUTCHEON (MD) ASSY (SILVER) 1-517-987-11 INDICATOR TUBE, FLUORESCENT
7-3. MECHANISM SECTION-1 (MDM-7A)

214 210

215 209

203 218

219 202

205 206

202 201

Ref. No. * 209 210

Part No. 4-996-267-01 4-908-618-21 4-227-007-01 4-227-025-01 3-372-761-01 4-227-002-01 4-226-999-01 X-4952-665-1 4-228-923-01
Description BASE (BU-D) SCREW (+BTP) (2X6) GEAR (SB) BELT (LOADING) SCREW (M1.7), TAPPING GEAR, PULLEY LEVER (HEAD) SPRING (SHT) ASSY, LEAF LOCK (HOLDER)