Sony CD Walkman D-E770 Service Manual Download Page 5

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SECTION 3

DISASSEMBLY

3-1. CABINET (UPPER)

3-2. CDM-3123EBA AND MAIN BOARD

Five screws
(2

Cabinet (upper)

(There are 7 claws.)

Open the lid, battery case.

Three claws

Claw

S802

S803

Knob (AVLS)

Knob (JOG)

Knob (HOLD)

Two screws

CDM-3123EBA

Main board

(Be careful that S802 and S803

engage with the knob when

they are re-assembled.)

Note :

Follow the disassembly procedure in the numerical order given.

Summary of Contents for CD Walkman D-E770

Page 1: ...MANUAL PORTABLE CD PLAYER MICROFILM Model Name Using Similar Mechanism NEW CD Mechanism Type CDM 3123EBA Optical Pick up Name DAX 23E SPECIFICATIONS Photo D EJ711 Abbreviation AUS Australian model CH Chinese model CND Canadian model EE East European model FR French model G German model HK Hong Kong model JE Tourist model KR Korea model Ver 1 1 2000 05 ...

Page 2: ...r CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when sold...

Page 3: ...that the light focuses on the reflection surface of the disc Therefore be sure to keep your eyes more then 30 cm apart from the object lens when you check the emission of laser diode Laser Diode Checking Methods During normal operation of the equipment emission of the laser diode is prohibited unless the upper lid is closed while turning ON the S801 push switch type The following two checking meth...

Page 4: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual ...

Page 5: ...pper There are 7 claws 2 Open the lid battery case Three claws Three claws Claw S802 S803 Knob AVLS Knob JOG Knob HOLD 2 Two screws 1 3 CDM 3123EBA 4 Main board Be careful that S802 and S803 engage with the knob when they are re assembled Note Follow the disassembly procedure in the numerical order given ...

Page 6: ...cedure 1 Connect the oscilloscope to the test points TP629 RF and TP635 AGND on the MAIN board 2 Set a disc YEDS 18 3 Press the u button 4 Check the oscilloscope waveform is as shown below A good eye pattern means that the diamond shape in the center of the waveform can be clearly distinguished RF Signal reference Waveform Eye Pattern VOLT DIV 100 mV With the 10 1 probe in use TIME DIV 500 ns To w...

Page 7: ...Hz XWRE monitor for debug purpose on XQOK monitor for debug purpose on Analog mute on VCC2 switching System reset Serial clock to CXD3027R Serial input from CXD3027R Serial output to CXD3027R CXD3027R wake up Mode selection Charging monitor Set key detection Battery monitor Lid key detection Remocon key detection DC in monitor Lid open detection Analog GND for A D Analog Vdd for A D Digital Vcpu S...

Page 8: ...1 C1 C0 STOP TEST SCSY_0 XBACKLIGHT_O RESET_I XIN XOUT Description Charge pump C Charge pump C 0 5Vcpu input Charge pump C Charge pump C STOP mode release signal input 68k pull down External BB control LCD backlight control MCU reset input Crystal input from CXD3027R No connection ...

Page 9: ...85 D OUT RFAC 71 RFDC 58 A 62 B 61 E 59 97 L OUT1 LINE OUT OPTICAL 104 L OUT2 23 SDTO 25 CLOK 24 XLAT 28 XSOE 26 SENS 17 SCOR 35 FOK 21 XRST X601 16 9MHz 30 R4M Q501 AVDD PAPC 78 VLG02 69 42 SRDR 47 7 SYNC FO3 RO3 FI3 RI3 FO4 RO4 FI4 RI4 FO1 RO1 FI1 RI1 C C S S MDP 43 3 1 4 IC402 XTAO 94 XTAI 93 F 60 DIGITAL OUT OPTICAL J301 REMOTE J302 DRY BATTERY SIZE AA IEC DESIGNATION LR6 2PCS 3V DC IN 4 5V J4...

Page 10: ... pattern face are indicated Parts face side Parts on the parts face side seen from SIDE A the parts face are indicated Ref No Location D401 A 8 D404 A 7 D406 C 5 D409 A 5 D410 C 4 D461 C 10 D601 D 3 IC301 E 8 IC351 E 8 IC401 C 7 IC402 C 10 IC404 A 4 IC601 D 2 IC602 D 9 IC801 B 4 IC802 B 4 Q301 E 9 Q302 E 9 Q401 A 7 Q402 A 7 Q403 A 7 Q404 A 7 Q405 D 4 Q406 D 4 Q407 D 4 Q408 D 4 Q412 A 7 Q413 A 5 Q5...

Page 11: ...s Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path J CD PLAY ANALOG OUT c CD PLAY OPTICAL OUT Abbreviation FR French model Note The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Note Les composants identifiés par une...

Page 12: ... B1 7 5 TAPPING 102 4 218 820 01 CHASSIS 103 A 3328 628 A SCREW FEED ASSY 104 4 218 823 01 GEAR B 105 4 964 564 01 SCREW M1 2 1 6 106 4 218 821 01 COVER GEAR 107 4 218 825 01 SPRING SLED 108 3 895 823 31 SCREW B1 4 2 3 TAPPING 109 4 220 645 01 SHAFT STANDARD 110 4 223 600 01 RACK 111 4 218 827 01 BRACKET SHAFT 112 3 686 458 03 SCREW P1 4 3 5 TAPPING 0113 X 4952 506 1 OPTICAL PICK UP DAX 23E M901 A...

Page 13: ...01uF 10 25V C402 1 164 505 11 CERAMIC CHIP 2 2uF 16V C403 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C404 1 125 822 11 TANTALUM 10uF 20 00 10V C405 1 115 156 11 CERAMIC CHIP 1uF 10V C406 1 110 569 11 TANTAL CHIP 47uF 20 00 6 3V C407 1 162 965 11 CERAMIC CHIP 0 0015uF 10 50V C408 1 162 919 11 CERAMIC CHIP 22PF 5 50V C409 1 110 569 21 TANTAL CHIP 47uF 20 4V C410 1 110 569 21 TANTAL CHIP 47uF 20 4V C4...

Page 14: ... 8 759 642 56 IC TB2119F IC402 8 759 651 13 IC NJU7116F TE2 IC404 8 759 651 13 IC NJU7116F TE2 IC601 8 752 398 18 IC CXD3027R IC602 8 759 498 44 IC MSM51V4400D 70TSK IC801 8 759 649 82 IC TMP88CM22F MIR1 2 IC802 8 752 397 55 IC CXD751 103R JACK J301 1 793 659 11 JACK OPTICAL OUT LINE OUT OPTICAL J302 1 778 368 31 JACK HEADPHONE REMOTE J401 1 778 153 21 JACK DC POLARITY UNIFIED TYPE DC IN 4 5V COIL...

Page 15: ...1 16W R435 1 218 887 11 METAL CHIP 47K 0 5 1 16W R436 1 216 864 11 METAL CHIP 0 5 1 16W R438 1 216 861 11 METAL CHIP 2 2M 5 1 16W R439 1 216 859 11 RES CHIP 1 5M 5 1 16W R440 1 216 825 11 METAL CHIP 2 2K 5 1 16W R441 1 216 861 11 METAL CHIP 2 2M 5 1 16W R443 1 216 811 11 METAL CHIP 150 5 1 16W R444 1 216 817 11 METAL CHIP 470 5 1 16W R445 1 216 864 11 METAL CHIP 0 5 1 16W R446 1 216 821 11 METAL C...

Page 16: ...ATE 16 9MHz MISCELLANEOUS 8 1 418 565 11 SWITCH UNIT 0113 X 4952 506 1 OPTICAL PICK UP DAX 23E M901 A 3328 627 A MOTOR ASSY SLED WITH GEAR M902 A 3328 759 A MOTOR ASSY TURN TABLE SPINDLE ACCESSORIES PACKING MATERIALS 1 418 670 11 REMOTE CONTROL UNIT RM CD6 EJ715 US 1 418 730 11 REMOTE CONTROL UNIT RM CD11L EXCEPT EJ711 EJ715 US 0 1 467 007 21 ADAPTOR AC AC E455 EJ715 AUS 0 1 467 009 21 ADAPTOR AC ...

Page 17: ... EJ715 EE 3 868 103 41 MANUAL INSTRUCTION POLISH EJ715 EE 3 868 103 51 MANUAL INSTRUCTION SLOVAK EJ715 EE 3 868 103 61 MANUAL INSTRUCTION KOREAN EJ715 KR 4 223 953 01 CASE MIS CARRYING EJ715 KR 4 224 787 01 CASE MIR CARRYING EXCEPT EJ715 KR 8 953 304 90 RECEIVER MDR E805SP EXCEPT EJ711 EJ715 US 8 953 342 93 HEADPHONE MDR 24 EJ711 8 953 774 90 RECEIVER EAR MDR G051SP EJ715 US ...

Page 18: ... 26 D E770 EJ711 EJ715 Sony Corporation Personal Audio Division Company 2000A1686 1 Printed in Japan 2000 1 Published by General Engineering Dept 9 927 629 11 ...

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