Sony Walkman WM-EX402 Service Manual Download

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Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

MAIN

C352

1-126-157-11 ELECT

10uF

20%

16V

(EXCEPT EX402)

C353

1-162-964-11 CERAMIC CHIP

0.001uF

10%

50V

(EXCEPT EX402)

C354

1-113-619-11 CERAMIC CHIP

0.47uF

10V

(EXCEPT EX402)

C601

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C602

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C603

1-115-467-11 CERAMIC CHIP

0.22uF

10%

10V

C604

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C605

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C606

1-124-434-00 ELECT

220uF

20%

C607

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C608

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C609

1-162-974-11 CERAMIC CHIP

0.01uF

50V

C701

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C702

1-162-957-11 CERAMIC CHIP

220PF

50V

C703

1-162-957-11 CERAMIC CHIP

220PF

50V

C704

1-115-467-11 CERAMIC CHIP

0.22uF

10%

10V

C705

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

C707

1-124-434-00 ELECT

220uF

20%

C708

1-107-826-11 CERAMIC CHIP

0.1uF

10%

16V

< CONNECTOR >

CN301

1-766-819-11 CONNECTOR, FPC (ZIF) 6P

CN701

1-766-585-11 CONNECTOR, FPC (ZIF) 8P

< DIODE >

D301

8-719-422-46 DIODE MA8056

< FERRITE BEAD >

FB301

1-414-385-11 INDUCTOR, FERRITE BEAD

< IC >

IC301

8-759-332-69 IC LA4585M-TLM

IC302

8-759-488-80 IC NJM2185AV-TE2 (EXCEPT EX402)

IC601

8-759-526-37 IC MM1370XVBE

IC701

8-759-526-56 IC TMP47C243LM-FV81CS

IC703

8-759-296-60 IC PST9018NL

< JACK >

J301

1-580-680-31 JACK (

)

< JUMPER RESISTOR >

JC1

1-216-864-11 METAL CHIP

1/16W

JC2

1-216-864-11 METAL CHIP

1/16W

(EX402)

JC3

1-216-864-11 METAL CHIP

1/16W

(EX402)

JC4

1-216-295-00 SHORT

JC5

1-216-295-00 SHORT

0 (EXCEPT EX402)

JC6

1-216-864-11 METAL CHIP

1/16W

JC7

1-216-864-11 METAL CHIP

1/16W

JC8

1-216-864-11 METAL CHIP

1/16W

JC9

1-216-295-00 SHORT

JC10

1-216-864-11 METAL CHIP

1/16W

JC11

1-216-295-00 SHORT

< COIL >

L301

1-410-997-31 INDUCTOR CHIP 2.2uH

< PHOTO REFLECTOR >

PH701

8-719-988-23 PHOTO REFLECTOR PR-11-C-TL

< TRANSISTOR >

Q101

8-729-421-26 TRANSISTOR UN5216QRS

Q201

8-729-421-26 TRANSISTOR UN5216QRS

Q303

8-729-807-86 TRANSISTOR 2SB1295-UL5

Q304

8-729-230-60 TRANSISTOR 2SA1586-YG

Q602

8-729-141-48 TRANSISTOR 2SB624-BV345

Q603

8-729-141-48 TRANSISTOR 2SB624-BV345

Q604

8-729-141-48 TRANSISTOR 2SB624-BV345

Q605

8-729-028-76 TRANSISTOR DTA114YUA-T106

Q606

8-729-028-76 TRANSISTOR DTA114YUA-T106

Q607

8-729-028-76 TRANSISTOR DTA114YUA-T106

Q608

8-729-421-26 TRANSISTOR UN5216QRS

Q609

8-729-421-26 TRANSISTOR UN5216QRS

Q610

8-729-028-76 TRANSISTOR DTA114YUA-T106

Q701

8-729-421-26 TRANSISTOR UN5216QRS

Q702

8-729-230-60 TRANSISTOR 2SA1586-YG

Q703

8-729-230-60 TRANSISTOR 2SA1586-YG

Q704

8-729-230-60 TRANSISTOR 2SA1586-YG

Q705

8-729-602-21 TRANSISTOR 2SC4154-F

< RESISTOR >

R101

1-216-841-11 METAL CHIP

47K

1/16W

R102

1-216-841-11 METAL CHIP

47K

1/16W

R103

1-216-855-11 METAL CHIP

680K

1/16W

R104

1-216-835-11 METAL CHIP

15K

1/16W

R105

1-216-835-11 METAL CHIP

15K

1/16W

R106

1-216-820-11 METAL CHIP

820

1/16W

R107

1-216-795-11 RES,CHIP

6.8

1/16W

(EXCEPT FR)

R107

1-216-807-11 METAL CHIP

1/16W

(FR)

R108

1-216-841-11 METAL CHIP

47K

1/16W

R109

1-216-825-11 METAL CHIP

2.2K

1/16W

R201

1-216-841-11 METAL CHIP

47K

1/16W

R202

1-216-841-11 METAL CHIP

47K

1/16W

R203

1-216-855-11 METAL CHIP

680K

1/16W

R204

1-216-835-11 METAL CHIP

15K

1/16W

R205

1-216-835-11 METAL CHIP

15K

1/16W

R206

1-216-820-11 METAL CHIP

820

1/16W

R207

1-216-795-11 RES,CHIP

6.8

1/16W

(EXCEPT FR)

Summary of Contents for Walkman WM-EX402

Page 1: ...earphones with remote control 1 EX406 only Stereo headphones or Stereo earphones 1 EX402 EX404 EX405 only Belt clip 1 Design and specifications are subject to change without notice SPECIFICATIONS Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be caref...

Page 2: ...sy 5 2 2 Main Board 6 2 3 Mechanism Deck 6 2 4 Cassette Lid Sub Assy 7 2 5 Display Board 7 3 MECHANICAL ADJUSTMENTS 8 4 ELECTRICAL ADJUSTMENTS 8 5 DIAGRAMS 5 1 Printed Wiring Boards 9 5 2 Schematic Diagram 11 6 EXPLODED VIEWS 6 1 Cassette Lid Section 16 6 2 Cabinet Section 17 6 3 Mechanism Deck Section 18 7 ELECTRICAL PARTS LIST 19 ...

Page 3: ... 3 SECTION 1 GENERAL This section extracted from instruction manual ...

Page 4: ... 4 ...

Page 5: ...re Set Cabinet rear assy Main board Mechanism deck Cassette lid sub assy Display board Note Follow the disassembly procedure in the numerical order given 2 1 CABINET REAR ASSY 1 screw B 1 7x12 1 screw B 1 7x12 2 Open the lid battery case 3 3 3 6 4 5 5 5 claws claws cabinet rear assy ...

Page 6: ... 6 2 2 MAIN BOARD 2 3 MACHANISM DECK 1 serrat IB lock 3 flexible MEGA BASS board 2 flexible board HEAD 4 4 5 MAIN board cabinet front assy mechanism deck cabinet front assy 1 1 1 2 ...

Page 7: ... screws DISPLAY board cassette lid Use caution when installing the cassette holder assy Install the cassette holder with the spring lid up as shown below in the drawing so that it fits into the holes on the cabinet front assy Once installed fit the left and right pieces on Press on the left right clips from the rear of the cabinet front assy and remove the boss ...

Page 8: ...cm back tension less than 0 03 oz inch more than 50 g cm FF REW CQ 201B more than 0 69 oz inch SECTION 4 ELECTRICAL ADJUSTMENTS SECTION 3 MECHANICAL ADJUSTMENTS PRECAUTION Supplied voltage 2 5 V Switches and control position TAPE switch NORM GROOVE MEGA BASS NORMAL switch NORMAL EX402 EX404 SOUND switch NORMAL EX405 EX406 VOL control maximum AVLS switch NORM DOLBY NR switch OFF Except EX402 Test T...

Page 9: ... OUT L SW OUT R PRE OUT L PRE OUT R PRE GND PRE MUTE POWER MUTE PWR OUT R VCC COM PWR GND PWR OUT L AVLS DET2 PWR IN L PRE2 PRE1 14 13 12 11 10 9 8 4 3 2 1 5 6 7 WEIGHT G2 G1 V I BIAS CIRCUIT Bch BLOCK same Ach VCC ON OFF VEXT INR OUTR DCR DETR GND IREF VREF INL OUTL DCL DETL SUM Gm Ach BLOCK 20 19 18 17 16 15 14 13 12 7 8 10 9 6 5 4 1 2 3 11 OUTPUT BIAS CIRCUIT CURRENT CONTROL VELOCITY CONTROL ST...

Page 10: ...G GENERATOR CLOCK GENERATOR INTERRUPTION CONTROL CIRCUIT INTERRUPTION PERMISSION MASTER F F INTERVAL TIMER 12BIT TIMER COUNTER 2 CHANNEL 8BIT SERIAL INTERFACE WATCH DOG TIMER ZERO CROSS FLAG C Z ALU S 8BIT A D CONVERTER PULSE OUTPUT CIRCUIT R7 5 6 11 R5 R6 16 15 17 18 19 R8 20 21 22 23 R9 KE 24 25 26 27 28 12 13 14 7 R4 8 9 10 VDD HOLD NC BEEP NC NC PHOTO CTL PHOTO IN FWD REV REV SW REW SW FF SW F...

Page 11: ...LID SECTION N N Ref No Part No Description Remark 12 12 2 3 13 5 6 7 14 1 1 5 6 7 11 11 10 9 8 4 3 2 1 1 EX404 EX404 WM EX405 EX406 WM EX402 EX404 1 3 008 298 11 SCREW EX402 EX404 2 1 667 932 11 DISPLAY BOARD 3 1 667 927 11 FLEXIBLE MEGA BASS BOARD 4 3 019 493 01 BUTTON CONTROL EX402 EX404 5 3 318 382 61 SCREW 1 7X2 5 TAPPING 6 3 019 506 01 LOCKER OPEN 7 3 025 276 01 SPRING LID UP 8 X 3374 790 1 L...

Page 12: ...1 4 SPECIAL HEAD 59 3 019 421 01 LEVER OPEN 60 3 022 856 01 SPRING KNOB TENSION 61 3 019 422 01 JOINT 62 3 019 514 01 KNOB OPEN 63 3 025 230 01 SPACER KNOB OPEN 64 3 020 507 01 CABINET FRONT EX402 64 3 020 507 11 CABINET FRONT EX404 64 3 020 507 22 CABINET FRONT EX405 EX406 65 3 364 675 01 SPRING CASSETTE 66 3 020 511 01 TERMINAL BATTERY 67 3 020 512 01 TERMINAL BATTERY 68 3 010 838 22 LOCK SERRAT...

Page 13: ...6 X 3375 024 1 CLUTCH ASSY F 107 3 021 951 01 GEAR CAM 108 3 348 953 21 WASHER 109 3 021 979 01 SPRING UDF 110 3 021 949 01 GEAR BF 111 X 3375 022 1 CHASSIS ASSY F 112 3 021 974 01 SPRING HEAD BASE 113 3 703 816 31 SCREW M1 4 SPECIAL HEAD 114 X 3375 021 1 LEVER ASSY R F PINCH 115 3 703 816 73 SCREW M1 4 SPECIAL HEAD 116 3 921 797 01 WASHER 117 3 921 003 01 BEARING 118 3 022 100 01 SPRING B T COMPR...

Page 14: ...D COMPLETE EX405 FR A 3021 020 A MAIN BOARD COMPLETE EX405 AEP EX406 A 3021 099 A MAIN BOARD COMPLETE EX402 FR 3 020 511 01 TERMINAL BATTERY 3 020 512 01 TERMINAL BATTERY CAPACITOR C101 1 162 962 11 CERAMIC CHIP 470PF 10 50V C102 1 162 962 11 CERAMIC CHIP 470PF 10 50V C103 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C104 1 126 153 11 ELECT 22uF 20 6 3V C105 1 115 156 11 CERAMIC CHIP 1uF 10V C106 1 1...

Page 15: ...HIP 0 5 1 16W JC7 1 216 864 11 METAL CHIP 0 5 1 16W JC8 1 216 864 11 METAL CHIP 0 5 1 16W JC9 1 216 295 00 SHORT 0 JC10 1 216 864 11 METAL CHIP 0 5 1 16W JC11 1 216 295 00 SHORT 0 COIL L301 1 410 997 31 INDUCTOR CHIP 2 2uH PHOTO REFLECTOR PH701 8 719 988 23 PHOTO REFLECTOR PR 11 C TL TRANSISTOR Q101 8 729 421 26 TRANSISTOR UN5216QRS Q201 8 729 421 26 TRANSISTOR UN5216QRS Q303 8 729 807 86 TRANSIST...

Page 16: ...41 11 METAL CHIP 47K 5 1 16W R708 1 216 845 11 METAL CHIP 100K 5 1 16W R711 1 218 836 11 RES CHIP 360 0 50 1 16W R715 1 216 841 11 METAL CHIP 47K 5 1 16W R716 1 216 829 11 METAL CHIP 4 7K 5 1 16W R717 1 218 836 11 RES CHIP 360 0 50 1 16W R718 1 216 845 11 METAL CHIP 100K 5 1 16W R719 1 216 833 11 METAL CHIP 10K 5 1 16W R720 1 216 845 11 METAL CHIP 100K 5 1 16W R721 1 216 845 11 METAL CHIP 100K 5 1...

Page 17: ... 22 Sony Corporation Personal A V Products Company 9 923 324 11 WM EX402 EX404 EX405 EX406 98B0468 1 Printed in Japan C1998 2 Published by Quality Engineering Dept Shibaura ...

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