Technics SL-EH560 Service Manual
  1. Manuals
  2. Brands
  3. Technics Manuals
  4. CD Player
  5. SL-EH560
  6. Service manual
Technics SL-EH560 Service Manual

Technics SL-EH560 Service Manual

Hide thumbs Also See for SL-EH560:
Table of Contents

Advertisement

Quick Links

Download this manual
Table Of Contents
Service Manual
COVER
1 Note
TOP NEXT
2 Handling Precautions for
Traverse Deck
AD0002042C2
2.1 Handling of traverse
deck (optical pickup)
2.2 Grounding for
electrostatic breakdown
prevention
2.2.1 Human body
grounding
2.2.2 Work table grounding
Compact Disc Player
3 Precaution of Laser Diode
4 Location of Controls
5 Operation Checks and
Component
ReplacementProcedures
5.1 Checking for the main P.
C.B.
5.2 Checking for the CD
servo P.C.B.
SL-EH560
5.3 Replacement for the
traverse deck ass'y
Traverse Deck:RAE0152Z-1 Mechanism series
5.4 Replacement for the
belt, loading motor ass'y and
Colour
loading switch
6 Error Code Display and
(S)..........Silver Type
Servo Adjustment Function
6.1 Error Code Display
Area
Procedure
6.1.1 Automatic Adjustment
(E)..........Europe.
Results
6.1.2 Checking the
mechanism switches
6.2 Servo Adjustment
Procedure
6.3 Error code based on
troubleshooting
7 To Supply Power Source
8 Schematic Diagram Notes
9 Schematic Diagram
10 Printed Circuit Board
Diagram
11 Type Illustration of ICs,
Transistors and Diodes
12 Wiring Connection
Diagram
13 Block Diagram

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SL-EH560 and is the answer not in the manual?

Questions and answers

Related Manuals for Technics SL-EH560

Summary of Contents for Technics SL-EH560

  • Page 1 5 Operation Checks and Component ReplacementProcedures 5.1 Checking for the main P. C.B. 5.2 Checking for the CD servo P.C.B. SL-EH560 5.3 Replacement for the traverse deck ass’y Traverse Deck:RAE0152Z-1 Mechanism series 5.4 Replacement for the belt, loading motor ass’y and Colour...
  • Page 2 14 Troubleshooting Guide 15 Terminal Function of ICs 15.1 IC451 (M38504M6200F):System Control 15.2 IC701 (AN8839NSBE2):Servo Amp 15.3 IC702 (MN662790RSA1):Servo Processor/Digital Signal Processor/Digital Filter/D/A converter 15.4 IC703 (AN8739SBE2): Focus Coil/Tracking Coil/Traverse Motor/ SpindleMotor Drive 16 Replacement Parts List 17 Cabinet Parts Location 18 Loading Unit Parts Location ©...

  • Page 3: Table Of Contents

    Table Of Contents COVER 1 Note 2 Handling Precautions for Traverse Deck 2.1 Handling of traverse deck (optical pickup) 2.2 Grounding for electrostatic breakdown prevention 2.2.1 Human body grounding 2.2.2 Work table grounding 3 Precaution of Laser Diode 4 Location of Controls 5 Operation Checks and Component ReplacementProcedures 5.1 Checking for the main P.C.B.
  • Page 4 6.3 Error code based on troubleshooting 7 To Supply Power Source 8 Schematic Diagram Notes 9 Schematic Diagram 10 Printed Circuit Board Diagram 11 Type Illustration of ICs, Transistors and Diodes 12 Wiring Connection Diagram 13 Block Diagram 14 Troubleshooting Guide 15 Terminal Function of ICs 15.1 IC451 (M38504M6200F):System Control 15.2 IC701 (AN8839NSBE2):Servo Amp...
  • Page 5 Service Manual TOP NEXT AD0002042C2 Compact Disc Player SL-EH560 Traverse Deck:RAE0152Z-1 Mechanism series Colour (S)..Silver Type Area (E)..Europe.
  • Page 6 © 2000 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. •@ TOP NEXT...

  • Page 7: Note

    1 Note TOP PREVIOUS NEXT Refer to the service manual for Model No. SA-EH560 (OREDER No. AD0002043C2) for information on Packaging. •@ TOP PREVIOUS NEXT...

  • Page 8: Handling Precautions For Traverse Deck

    2 Handling Precautions for Traverse Deck TOP PREVIOUS NEXT The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by static electricity of clothes or human body. So be careful of electrostatic breakdown during repair of the traverse deck (optical pickup). 2.1 Handling of traverse deck (optical pickup) 2.2 Grounding for electrostatic breakdown prevention 2.2.1 Human body grounding...

  • Page 9: Handling Of Traverse Deck (Optical Pickup)

    2.1 Handling of traverse deck (optical pickup) TOP PREVIOUS NEXT 1. Do not subject the traverse deck (optical pickup) to static electricity as it is extremely sensitive to electrical shock. 2. To protect the laser diode against electrostatic breakdown, short the flexible board (FFC board) with a clip or similar object.

  • Page 10: Grounding For Electrostatic Breakdown Prevention

    2.2 Grounding for electrostatic breakdown prevention TOP PREVIOUS NEXT 2.2.1 Human body grounding 2.2.2 Work table grounding •@ TOP PREVIOUS NEXT...

  • Page 11: Human Body Grounding

    2.2.1 Human body grounding TOP PREVIOUS NEXT Use the anti-static wrist strap to discharge the static electricity from your body. Refer to Fig. 2-2. Fig. 2-2. •@ TOP PREVIOUS NEXT...

  • Page 12: Work Table Grounding

    2.2.2 Work table grounding TOP PREVIOUS NEXT Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pickup) is placed, and ground the sheet. Refer to Fig. 2-3. Fig. 2-3. Caution: The static electricity of your clothes will not be grounded through the wrist strap. So take care not to let your clothes tough the traverse deck (optical pickup).

  • Page 13: Precaution Of Laser Diode

    3 Precaution of Laser Diode TOP PREVIOUS NEXT CAUTION: This product utilizes a laser diode with the unit turned on, invisible laser radiation is emitted from the pickup lens. Wave length: 780 nm Maximum output radiation power from pickup: 100μW/VDE Laser radiation from pickup unit is safety level, but be sure the followings: 1.
  • Page 14 •@ TOP PREVIOUS NEXT...

  • Page 15: Location Of Controls

    4 Location of Controls TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...

  • Page 16: Operation Checks And Component Replacementprocedures

    5 Operation Checks and Component Replacement/Procedures TOP PREVIOUS NEXT This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when required.

  • Page 17: Checking For The Main P.c.b

    5.1 Checking for the main P.C.B. TOP PREVIOUS NEXT Check the main P.C.B. as shown above. •@ TOP PREVIOUS NEXT...

  • Page 18: Checking For The Cd Servo P.c.b

    5.2 Checking for the CD servo P.C.B. TOP PREVIOUS NEXT Follow the (Step 1) (Step 3) of item 5.1.
  • Page 19 Check the CD servo P.C.B. as shown below. •@ TOP PREVIOUS NEXT...

  • Page 20: Replacement For The Traverse Deck Ass'y

    5.3 Replacement for the traverse deck ass’y TOP PREVIOUS NEXT Follow the (Step 1) (Step 3) of item 5.1. Follow the (Step 1) (Step 5) of item 5.2.

  • Page 25: Replacement For The Belt, Loading Motor Ass'y And Loading Switch

    5.4 Replacement for the belt, loading motor ass’y and loading switch TOP PREVIOUS NEXT Follow the (Step 1) (Step 3) of item 5.1. Follow the (Step 1) (Step 5) of item 5.2. Follow the (Step 1) (Step 9) of item 5.3.
  • Page 26 •@ TOP PREVIOUS NEXT...

  • Page 27: Error Code Display And Servo Adjustment Function

    6 Error Code Display and Servo Adjustment Function TOP PREVIOUS NEXT This unit has an error code display function, so that if the unit operates incorrectly, the fault is displayed using an error code on the FL display of the Tuner/Amplifier (SA-EH560). It also has a servo adjustment function for displayingthe status of servo system functions (Focus, Tracking, CLV servo) on the FL display of the Tuner/Amplifier.

  • Page 28: Error Code Display Procedure

    6.1 Error Code Display Procedure TOP PREVIOUS NEXT 6.1.1 Automatic Adjustment Results 6.1.2 Checking the mechanism switches •@ TOP PREVIOUS NEXT...

  • Page 29: Automatic Adjustment Results

    6.1.1 Automatic Adjustment Results TOP PREVIOUS NEXT 1. Turn on the power. 2. Load the test disc (SZZP1054C). 3. Hold down the REPEAT button for at least 2 seconds, and then press the STOP button for at least 2 seconds while continuing to hold down the REPEAT button. 4.

  • Page 30: Checking The Mechanism Switches

    6.1.2 Checking the mechanism switches TOP PREVIOUS NEXT 1. Press the F.SKIP button. 2. A mechanism OK/NG error code is displayed. Refer to Table 6-1. This error code can be used diagnose whether the mechanism is OK or not. If there are multiple errors, these can be displayedsuccessively by pressing the F.SKIP button.

  • Page 31: Servo Adjustment Procedure

    6.2 Servo Adjustment Procedure TOP PREVIOUS NEXT 1. Turn on the power. 2. Load the test disc (SZZP1054C). 3. Hold down the REPEAT button for at least 2 seconds, and then press the PAUSE button for at least 2 seconds while continuing to hold down the REPEAT button. 4.
  • Page 32 6. Remove the disc and turn off the power. •@ TOP PREVIOUS NEXT...

  • Page 33: Error Code Based On Troubleshooting

    6.3 Error code based on troubleshooting TOP PREVIOUS NEXT This unit is satisfactory if the error code is Before testing, check that the test disc is free of scratches and optical pickup is clean. Symptom Probable Signal to check Normal voltage and waveform values error cause Signal...
  • Page 34 IC702- 1.7 V 33 pin IC702- 1.7 V 1.7 V 28 pin IC702- 1.7 V 1.7 V 27 pin KICK IC702- 26 pin /FLOCK IC702- 11 pin /RFDET IC702- 3.3 V 38 pin TJ701 1.0 V STAT IC702- 3.3 V 17 pin E04, Best Eye...
  • Page 35 E08, Focus and Scratches or IC702- 1.7 V Tracking contaminants 32 pin gain on disc adjustment surface. Focus and completed Tracking in specified servo circuit time period. (check waveforms, voltages and part values.) Optical pickup. IC702- 1.7 V 33 pin /TLOCK IC702- 12 pin...

  • Page 36: To Supply Power Source

    7 To Supply Power Source TOP PREVIOUS NEXT This unit is designed to operate on power supplied from system connected./When a component requires service, use the system connections to supply power source./For system connections, refer to Fig.7-1. Fig. 7-1. •@ TOP PREVIOUS NEXT...

  • Page 37: Schematic Diagram Notes

    8 Schematic Diagram Notes TOP PREVIOUS NEXT This schematic diagram may be modified at any time with the development of new technology. Notes: S601: CD edit switch (EDIT) S602: Repeat switch (REPEAT) S603: Random play switch (RANDOM) S611: Disc tray open/close switch/( OPEN/CLOSE) S612: Pause switch (...
  • Page 38 Play switch ( S615: Stop switch ( S616: R.Skip/search switch ( S701: Rest detect switch in OFF position S790: Disc tray close detect switch in OFF position S791: Disc tray open detect switch in OFF position Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard.
  • Page 39 Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used. When replacing any of components, be sure to use only manufacturer’s specified parts shown in the parts list.

  • Page 40: Schematic Diagram

    9 Schematic Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...

  • Page 41: Printed Circuit Board Diagram

    10 Printed Circuit Board Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...

  • Page 42: Type Illustration Of Ics, Transistors And Diodes

    11 Type Illustration of ICs, Transistors and Diodes TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...

  • Page 43: Wiring Connection Diagram

    12 Wiring Connection Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...

  • Page 44: Block Diagram

    13 Block Diagram TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...

  • Page 45: Troubleshooting Guide

    14 Troubleshooting Guide TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...

  • Page 46: Terminal Function Of Ics

    15 Terminal Function of ICs TOP PREVIOUS NEXT 15.1 IC451 (M38504M6200F):System Control 15.2 IC701 (AN8839NSBE2):Servo Amp 15.3 IC702 (MN662790RSA1):Servo Processor/Digital Signal Processor/Digital Filter/D/A converter 15.4 IC703 (AN8739SBE2):Focus Coil/Tracking Coil/Traverse Motor/SpindleMotor Drive •@ TOP PREVIOUS NEXT...

  • Page 47: Ic451 (M38504M6200F):System Control

    15.1 IC451 (M38504M6200F):/System Control TOP PREVIOUS NEXT Pin No. Terminal Name I/O Function Power supply terminal VREF Reference voltage input AVSS GND terminal SYNC Power failure detect signal input SUBQ Sub-code Q data signal input SQCK O Sub code Q resistor clock signal output BLKCK Block clock signal input CD REQ...
  • Page 48 STAT Status signal input HALH CD mechanism motor speed control signal output (Not used, open) CD mechanism solenoid control signal output (Not used, open) O CD mechanism motor control signal output (forward direction) O CD mechanism motor control signal output (reverse direction) PSTN Position sensor detect signal input (Not used, open)

  • Page 49: Ic701 (An8839Nsbe2):Servo Amp

    15.2 IC701 (AN8839NSBE2):/Servo Amp TOP PREVIOUS NEXT Pin No. Terminal Name I/O Function Tracking signal input terminal 1 (E ch) Tracking signal input terminal 2 (F ch) Power supply terminal Focus signal input terminal 1 (A ch) Focus signal input terminal 2 (B ch) Laser PD signal O Laser power auto control output O RF amp terminal...

  • Page 50: Ic702 (Mn662790Rsa1):Servo Processor/Digital Signal Processor/Digital Filter/D/A Converter

    15.3 IC702 (MN662790RSA1):/Servo Processor/ Digital Signal Processor/Digital Filter//D/A converter TOP PREVIOUS NEXT Pin No. Terminal Name I/O Function BCLK Serial bit clock output (Not used, open) LRCK L/R discriminating signal output (Not used, open) SRDATA Serial data signal output (Not used, open) DVDD1 Power supply terminal DVSS1...
  • Page 51 O Turntable motor drive signal output (Servo error signal) KICK Kick pulse output (Not used, open) O Tracking drive signal output O Focus drive signal output VREF D/A drive output normal voltage input FBAL O Focus balance adj. output TBAL O Tracking balance adj.
  • Page 52 X1 IN Crystal oscillator terminal (f=33.8688 MHz) X2 OUT Power supply terminal BYTCK Byte clock signal (Not used, open) /CLDCK Sub-code frame clock signal (Not used, open) FCLK Crystal frame clock (Not used, open) IPFLAG Interpolation flag terminal (Not used, open) FLAG Flag terminal (Not used, open) CLVS...

  • Page 53: Ic703 (An8739Sbe2):Focus Coil/Tracking Coil/Traverse Motor/Spindlemotor Drive

    15.4 IC703 (AN8739SBE2):/Focus Coil/Tracking Coil//Traverse Motor/Spindle/Motor Drive TOP PREVIOUS NEXT Pin No. Terminal Name I/O Function /RST Not used, open Not used Motor driver 2 input Turntable motor drive signal input (L: ON) Not used Motor driver 1 input PVCC1 Driver power supply terminal 1 PGND1 Driver GND terminal 1...

  • Page 54: Replacement Parts List

    All parts are supplied by MESA. Ref. No. Part No. Part Name& Description Pcs Remarks RKM0400-1S TOP CABINET RHD30007-S SCREW XTBS3+8JFZ1 SCREW REX0976 CONNECTOR ASS’Y(6P) RGK1136-1S TRAY ORNAMENT RKA0105-K RUBBER RKA0106-N FOOT RING RYP0897A-1S FRONT PANEL ASS’Y RGB0025-A TECHNICS BADGE XTBS3+8JFZ1 SCREW XTB3+8FFZ SCREW REZ1199...
  • Page 55 RFKJXDT07-K LOADING CHASSIS ASS’Y 101-1 RDG0142 GEAR 101-2 RDG0193 GEAR 101-3 RDP0065 PULLEY REM0019 MOTOR ASS’Y RMK0255 BELT COVER RGQ0144-K DISC TRAY RAE0152Z-1 TRAVERSE DECK ASS’Y 105-1 SHGD113-1 FLOATING RUBBER 105-2 SNSD38 SCREW 105-3 RAF0150A-1 OPTICAL PICK-UP 105-4 RDG0247 DRIVE GEAR 105-5 RDG0248 GEAR...
  • Page 56 RXQ0380 HOLDER XTN26+6G SCREW RMA0793-1 DISC CLAMPER ASS’Y XYN2+F6FZ SCREW RMG0158 BELT XTN2+6G SCREW ECBT1E103ZF 25V 0.01U RCE1AKA101BG 10V 100U ECA1CM471 16V 470U ECBT1E103ZF 25V 0.01U ECEA1AKS221 10V 220U ECEA1AKS221 6.3V 220V ECBT1H102KB5 50V 1000P ECBT1C103MS5 16V 0.01U C151,52 ECBT1H102KB5 50V 1000P C401 RCE1HKA3R3BG 50V 3.3U...
  • Page 57 C714 ECEA0JKS101 6.3V 100U C715 ECUV1H272KBN 50V 2700P C716 ECUV1H821KBN 50V 820P C717 ECUWNE104ZFN 25V 0.1U C718 ECUV1E104KBN 25V 0.1U C721,22 ECUV1H030CCN 50V 3P C723 ECEA1AKS221 10V 220U C724 ECUZNE104MBN 25V 0.1U C725,26 ECUE1H102KBN 50V 1000P C727,28 ECEA1HKS010 50V 1U C730 ECUWNE104ZFN 25V 0.1U C731,32...
  • Page 58 MA4082LTA DIODE MA165 DIODE D12-14 MA165 DIODE D401-04 MA165 DIODE D406,07 MA165 DIODE D606 SML79455C D801 MA165 DIODE UPC29M33HB IC451 M38504M6200F IC452 TC74HCT7007A IC701 AN8839NSBE2 IC702 MN662790RSA IC703 AN8739SBE2 IC790 TA7291S JK401 RJT065K20 SYSTEM CONNECTOR(20P) L701,02 RLBN102V-Y COIL PCB1 REP2822A-2M MAIN PCB ASS’Y [RTL] Q2,Q3...
  • Page 59 R21,22 ERDS2FJ100 1/4W 10 ERDS2FJ100 1/4W 10 R155,56 ERDS2FJ473 1/4W 47K R157,58 ERDS2FJ221 1/4W 220 R401 ERDS2FJ681 1/4W 680 R402 ERDS2FJ104 1/4W 100K R403 ERDS2FJ472 1/4W 4.7K R404 ERDS2FJ222 1/4W 2.2K R405 ERDS2FJ104 1/4W 100K R406 ERDS2FJ101 1/4W 100 R407 ERDS2FJ471 1/4W 470 R408...
  • Page 60 R620 ERDS2FJ821 1/4W 820 R621 ERDS2FJ102 1/4W 1K R622 ERDS2FJ122 1/4W 1.2K R623 ERDS2FJ152 1/4W 1.5K R624 ERDS2FJ182 1/4W 1.8K R701 ERJ6GEYJ4R7V 1/10W 4.7 R702 ERJ6GEYJ103V 1/10W 10K R704 ERJ6GEYJ102V 1/10W 1K R705 ERJ6GEYJ154V 1/10W 150K R706 ERJ6GEYJ102V 1/10W 1K R707 ERJ6GEYJ393V 1/10W 39K...
  • Page 61 RJ724 ERJ6GEY0R00V CHIP JUMPER RJ726-28 ERJ6GEY0R00V CHIP JUMPER RJ731-36 ERJ6GEY0R00V CHIP JUMPER RJ750 ERJ6GEY0R00V CHIP JUMPER S601-03 EVQ11G05R SW,PUSH S611-16 EVQ11G05R SW,PUSH S701 RSH1A043-U SW,REST S790,91 RSH1A005 SW,OPEN/CLOSE DET. X401 RSXY8M00D01T OSCILLATOR X701 RSXB33M8J01T OSCILLATOR •@ TOP PREVIOUS NEXT...

  • Page 62: Cabinet Parts Location

    17 Cabinet Parts Location TOP PREVIOUS NEXT •@ TOP PREVIOUS NEXT...

  • Page 63: Loading Unit Parts Location

    18 Loading Unit Parts Location TOP PREVIOUS •@ TOP PREVIOUS...
  • Page 68 AN8839NSBE2 (RF) OPTICAL PICKUP IC701 TJ701 SERVO AMP SEMICONDUCTOR LASER RFIN CSBRT OFTR RFENV TENV Q701 DET. VREF. LASER OFTR POWER VREF. DRIVE DET. VREF. /RFDET /RFDET DET. FE IN A CH SUB- VREF. TRACTER VCBA FE OUT LDON PHOTO DETECTOR Vref.
  • Page 69 MN662790RSA1 IC702 SERVO PROCESSOR / DIGITAL SIGNAL PROCESSOR DIGITAL FILTER / D/A CONVERTER 79 80 IOSEL CLVS OUTR BLKCK BLKCK R CH /CLDCK SBCK SBCK SUBC SUBC OUTL DEMPH SSEL FLAG SQCK SQCK IPFLAG SUBQ SUBQ DIGITAL AUDIO INTERFACE Q702 SWITCH- PLLF DIGITAL AUDIO...
  • Page 70 JK401 SYNC CD REQ CT.GND Q2,3 REGULATOR +B(10V) D.GND +10V UPC29M33HB SCLK DATA REGULATOR Q403, Q402 Q4,5 INTER- INTER- V.GND FACE FACE REGULATOR TO SOUND PROCESSOR BLOCK DIAGRAM/ TO CASSETTE DECK BLOCK DIAGRAM CD R CH R CH A.GND CD L CH Q401 RESET X401...
  • Page 71 SCHEMATIC DIAGRAM-1 NOTE: CD SERVO CIRCUIT :POSITIVE VOLTAGE LINE :CD SIGNAL LINE The number which noted at the connectors on the schematic diagram as "SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2" indicates the schematic diagram Q701 serial number located on the left corner 2SB709STX in the schematic diagram.
  • Page 72 SCHEMATIC DIAGRAM-2 :POSITIVE VOLTAGE LINE :CD SIGNAL LINE 3.4V TP23 R717 C727 50V1 C731 6.3V220 PLAY 2.2V C730 1kHz, 0dB TP21 R718 C728 50V1 2.4V L702 3.4V F=33.8688MHz C722 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 3.4V BCLK 1.6V...
  • Page 73 SCHEMATIC DIAGRAM-3 MAIN CIRCUIT :POSITIVE VOLTAGE LINE LOADING MOTOR CIRCUIT IC790 TA7291S MOTOR DRIVE 7.8V 0.6V 7.8V 7.8V 0.6V 7.8V CP790 CN405 LOADING MOTOR OPERATION CIRCUIT R624 R623 R622 R621 R620 W401B W401A 1.8K 1.5K 1.2K R612 R611 D606 SML79455C (0V) 4.5V (4.5V)
  • Page 74 SCHEMATIC DIAGRAM-4 :POSITIVE VOLTAGE LINE 7.8V 4.8V PLAY 3.3V PLAY 3.3V PLAY 26.6ms. F=75Hz F=75Hz 26.6ms. (0.2V) (0.2V) (4.8V) (3.3V) 4.8V 3.3V 4.8V R436 Q402 4.7K 0.2V 2SC3311ATA INTERFACE R440 D403 D404 1.4V MA165TA MA165TA 0.5V R441 0.5V 4.7K IC452 Q403 TC74HCT7007A 2SC3311ATA...
  • Page 75 SCHEMATIC DIAGRAM-5 MAIN CIRCUIT :POSITIVE VOLTAGE LINE :CD SIGNAL LINE +10V 1/6W0.33 10.2V 7.8V 2SB621ARSTA 8.2V REGULATOR 10.2V 4.8V 7.8V 7.4V 8.2V UPC29M33HB Q2,3 1000P REGULATOR 2SD1862QRTV6 REGULATOR 2SC3311ATA 3.4V 7.8V REGULATOR 7.4V 2.2K 3.3V D12-14 MA165TA 2.8V D12 D13 D14 JK401 SYNC MA165TA...
  • Page 76 This printed circuit board diagram may be modified at any time with the development of new technology. ELECTRICAL PARTS LOCATION CD SERVO P.C.B. Ref. No. Lo. No. Ref. No. Lo. No. (RF) TJ701 CD SERVO P.C.B. IC701 R753 RJ734 IC702 RJ701 TP30 TP20...
  • Page 77 MAIN P.C.B. To SOUND PROCESSOR & ELECTRICAL PARTS LOCATION CASSETTE DECK Ref. No. Lo. No. Ref. No. Lo. No. MAIN P.C.B. JK401 R415 R157 IC451 R416 R158 IC452 R419 R155 R420 R156 D402 R421 R422 A.GND R424 Q401 R426 Q402 R429 Q403 R432...
  • Page 78 OPERATION P.C.B. D606 W401B ELECTRICAL PARTS LOCATION Q801 S614 R802 E C B Ref. No. Lo. No. Ref. No. Lo. No. E C B S613 OPERATION P.C.B. Q802 Q801 S616 S612 Q802 W401B D606 R610 R621 D801 R611 S611 S601 R612 S616 OPEN/...
  • Page 79 CD SERVO P.C.B. CN702 CN701 OPTICAL PICKUP M702 (SPINDLE MOTOR) M701 (TRAVERSE MOTOR) RED MARK LOADING MOTOR P.C.B. WHITE CP790 1 ..6 ..CN402 ..CN405 MAIN P.C.B.
  • Page 80 AN8739SBE2 TC74HCT7007A M662790RSA1 TA7291S 28PIN AN8839NSBE2 ..M38504M6200F 42PIN ......
  • Page 81 D Random play button (RANDOM) E Repeat button (REPEAT) F CD edit button (EDIT) H Disc tray open/close button (< OPEN/CLOSE) OPEN/CLOSE RANDOM REPEAT EDIT I Skip/search buttons (4, 5) J Disc tray K Stop button (∫) » L Pause button (;) M Play button and indicator (!) The color of the indicator depends on the operation taking place.

Table of Contents