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Sony Walkman WM-EX2000, Service Manual

The Sony Walkman WM-EX2000 is a sleek, portable cassette player that delivers high-quality audio on the go. Need assistance in maximizing its potential? Look no further as you can easily download the free Service Manual from manualshive.com to ensure you get the most out of this exceptional device.

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Ref. No.

Part No.

Description

Remarks

Ref. No.

Part No.

Description

Remarks

— 27 —

< IC >

IC301

8-759-579-12 IC   TA2123AF(EL)

IC302

8-759-597-24 IC   NJM2190V(TE2)

IC303

8-759-488-80 IC   NJM2185AV-TE2

IC601

8-759-553-51 IC   LB1994M-TLM

IC701

8-759-553-28 IC   XC6383C251ML

IC702

8-759-692-22 IC   XC61CS1RXXNR

IC703

8-759-438-27 IC   MM1305BWBE

IC704

8-759-572-21 IC   S-80808ANNP-E7Y-T2

IC705

8-759-833-30 IC   ML63514-024TBZ060

< JACK >

J301

1-779-867-81 JACK (

i

)

< JUMPER CHIP >

JC102

1-218-990-11 SHORT

0

JC202

1-218-990-11 SHORT

0

JC702

1-218-990-11 SHORT

0

< COIL >

L701

1-412-032-11 INDUCTOR

100uH

< PHOTO INTERRUPTER >

PH701

8-749-016-61 REFLECTOR NJL5197K-W-F20(TE1)

PH702

8-749-016-61 REFLECTOR NJL5197K-W-F20(TE1)

< TRANSISTOR >

Q301

8-729-425-46 TRANSISTOR

XP4315-TXE

Q302

8-729-426-36 TRANSISTOR

XP1215-TXE

Q303

8-729-425-46 TRANSISTOR

XP4315-TXE

Q304

8-729-426-36 TRANSISTOR

XP1215-TXE

Q305

8-729-038-06 TRANSISTOR

HN1K02FU(TE85L)

Q306

8-729-037-63 TRANSISTOR

UN9115J-(TX).SO

Q307

8-729-426-36 TRANSISTOR

XP1215-TXE

Q308

8-729-046-89 TRANSISTOR

2SB970-S(TX).S0

Q309

8-729-053-70 TRANSISTOR

2SA202800LS0

Q310

8-729-038-06 TRANSISTOR

HN1K02FU(TE85L)

Q311

8-729-038-06 TRANSISTOR

HN1K02FU(TE85L)

Q312

8-729-230-63 TRANSISTOR

2SC4116-YG

Q313

8-729-426-36 TRANSISTOR

XP1215-TXE

Q314

8-729-230-63 TRANSISTOR

2SC4116-YG

Q315

8-729-038-06 TRANSISTOR

HN1K02FU(TE85L)

Q316

8-729-046-89 TRANSISTOR

2SB970-S(TX).S0

Q317

8-729-426-36 TRANSISTOR

XP1215-TXE

Q601

8-729-043-94 TRANSISTOR

CPH3106-PM-TL

Q602

8-729-420-24 TRANSISTOR

2SB1218A-QRS

Q603

8-729-039-36 TRANSISTOR

MDC06TR

Q701

8-729-046-89 TRANSISTOR

2SB970-S(TX).S0

Q702

8-729-037-63 TRANSISTOR

UN9115J-(TX).SO

Q703

8-729-427-51 TRANSISTOR

XP4215-TXE

< RESISTOR >

R101

1-218-967-11 RES-CHIP

15K

5%

1/16W

R102

1-218-943-11 RES-CHIP

150

5%

1/16W

R103

1-218-977-11 RES-CHIP

100K

5%

1/16W

R104

1-218-963-11 RES-CHIP

6.8K

5%

1/16W

R105

1-218-963-11 RES-CHIP

6.8K

5%

1/16W

R106

1-218-955-11 RES-CHIP

1.5K

5%

1/16W

R107

1-218-955-11 RES-CHIP

1.5K

5%

1/16W

R108

1-218-969-11 RES-CHIP

22K

5%

1/16W

R109

1-244-161-11 RES-CHIP

2.2

5%

1/16W

R110

1-218-963-11 RES-CHIP

6.8K

5%

1/16W

R111

1-218-959-11 RES-CHIP

3.3K

5%

1/16W

R112

1-218-971-11 RES-CHIP

33K

5%

1/16W

R113

1-208-675-11 METAL CHIP

470

0.5%

1/16W

R114

1-218-989-11 RES-CHIP

1M

5%

1/16W

R115

1-218-967-11 RES-CHIP

15K

5%

1/16W

R116

1-218-973-11 RES-CHIP

47K

5%

1/16W

R117

1-218-943-11 RES-CHIP

150

5%

1/16W

R201

1-218-967-11 RES-CHIP

15K

5%

1/16W

R202

1-218-943-11 RES-CHIP

150

5%

1/16W

R203

1-218-977-11 RES-CHIP

100K

5%

1/16W

R204

1-218-963-11 RES-CHIP

6.8K

5%

1/16W

R205

1-218-963-11 RES-CHIP

6.8K

5%

1/16W

R206

1-218-955-11 RES-CHIP

1.5K

5%

1/16W

R207

1-218-955-11 RES-CHIP

1.5K

5%

1/16W

R208

1-218-969-11 RES-CHIP

22K

5%

1/16W

R209

1-244-161-11 RES-CHIP

2.2

5%

1/16W

R210

1-218-963-11 RES-CHIP

6.8K

5%

1/16W

R211

1-218-959-11 RES-CHIP

3.3K

5%

1/16W

R212

1-218-971-11 RES-CHIP

33K

5%

1/16W

R213

1-208-675-11 METAL CHIP

470

0.5%

1/16W

R214

1-218-989-11 RES-CHIP

1M

5%

1/16W

R215

1-218-967-11 RES-CHIP

15K

5%

1/16W

R216

1-218-973-11 RES-CHIP

47K

5%

1/16W

R217

1-218-943-11 RES-CHIP

150

5%

1/16W

R301

1-218-981-11 RES-CHIP

220K

5%

1/16W

R302

1-218-955-11 RES-CHIP

1.5K

5%

1/16W

R303

1-218-985-11 RES-CHIP

470K

5%

1/16W

R304

1-218-969-11 RES-CHIP

22K

5%

1/16W

R305

1-218-969-11 RES-CHIP

22K

5%

1/16W

R306

1-218-983-11 RES-CHIP

330K

5%

1/16W

R307

1-218-969-11 RES-CHIP

22K

5%

1/16W

R308

1-220-803-81 RES-CHIP

4.7

5%

1/16W

R309

1-218-971-11 RES-CHIP

33K

5%

1/16W

R310

1-218-961-11 RES-CHIP

4.7K

5%

1/16W

R311

1-218-937-11 RES-CHIP

47

5%

1/16W

R312

1-218-969-11 RES-CHIP

22K

5%

1/16W

R313

1-208-939-11 METAL CHIP

150K

0.5%

1/16W

R314

1-208-927-11 METAL CHIP

47K

0.5%

1/16W

R315

1-218-985-11 RES-CHIP

470K

5%

1/16W

R316

1-218-985-11 RES-CHIP

470K

5%

1/16W

R317

1-218-985-11 RES-CHIP

470K

5%

1/16W

R318

1-218-941-11 RES-CHIP

100

5%

1/16W

R319

1-218-969-11 RES-CHIP

22K

5%

1/16W

R320

1-218-985-11 RES-CHIP

470K

5%

1/16W

R321

1-216-829-11 RES-CHIP

4.7K

5%

1/16W

R601

1-218-973-11 RES-CHIP

47K

5%

1/16W

R602

1-218-973-11 RES-CHIP

47K

5%

1/16W

R603

1-218-969-11 RES-CHIP

22K

5%

1/16W

R604

1-218-977-11 RES-CHIP

100K

5%

1/16W

R605

1-218-985-11 RES-CHIP

470K

5%

1/16W

R606

1-218-981-11 RES-CHIP

220K

5%

1/16W

R607

1-218-979-11 RES-CHIP

150K

5%

1/16W

R608

1-218-977-11 RES-CHIP

100K

5%

1/16W

R609

1-218-963-11 RES-CHIP

6.8K

5%

1/16W

R610

1-218-977-11 RES-CHIP

100K

5%

1/16W

MAIN

Summary of Contents for Walkman WM-EX2000

Page 1: ... Sony Engineering Corporation 9 873 022 13 2003K16 1 2003 11 Frequency response Dolby NR off Playback 30 18 000 Hz Output Headphones i jack Load impedance 8 300 Ω Power requirements 1 2 V One rechargeable battery Dimensions w h d Approx 76 3 108 4 17 5 mm 31 8 43 8 23 32 inches Mass Approx 145 g 5 2 oz Supplied accessories Stereo headphones or earphones with remote control 1 Battery charging stand...

Page 2: ... MECHANICAL ADJUSTMENT 9 5 ELECTRICAL ADJUSTMENT 9 6 DIAGRAMS 6 1 Block Diagram 10 6 2 Printed Wiring Board 12 6 3 Schematic Diagram 1 2 15 6 4 Schematic Diagram 2 2 18 6 5 IC Block Diagrams 21 6 6 IC Pin Function Description 23 7 EXPLODED VIEWS 7 1 Cabinet Block 24 7 2 Mechanism Deck Block 25 8 ELECTRICAL PARTS LIST 26 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LIN...

Page 3: ... of 10 Hz at 1 3 Vp p to both PH IN T land TP31 and PH IN S land TP32 with jumper wire 4 Connect DC 1 3V from external regulated power supply to 3 and terminals of the battery 2 PRE SET status The set must be in this state before the PLAY FF and REW modes can be entered 1 Make sure that the slider F R is in the center position and that the F R switch S702 is in the center position Make sure that t...

Page 4: ...gear reel S side idler gear A T side idler gear A S side gear NR FWD REV idler gear B gear Y clutch assy F reverse pulley flywheel R assy flywheel N assy motor pulley gear FR gear reel T side idler gear A T side reverse pulley flywheel R assy flywheel N assy gear Y clutch assy F gear reel S side idler gear A S side motor pulley gear FR gear Y clutch assy F reverse pulley flywheel R assy flywheel N...

Page 5: ...Y CASSETTE 3 2 CASE BLOCK ASSY 3 4 1 Two screws 1 4 2 Screw 1 4 Lid block assy cassette Mechanism deck block 3 Two screws 1 4 4 Screw 1 4 5 2 Two screws 1 4 Case block assy 1 Lid battery case Claw Lid Block Assy Cassette Case Block Assy Ornament OPEN Block Assy Switch Leaf S704 Main Board Belt F0 Motor M601 Set Holder FA Assy Pinch Lever NF RF Assy Head Magnetic HP701 ...

Page 6: ... S704 MAIN BOARD Mechanism deck block Ornament open block assy 2 1 1 3 Screw 5 Screw M1 4 1 Screw 4 Unsolder the 4 places 7 Unsolder the plunger 0 Claw 6 Switch leaf S704 2 Screw M1 4 qa MAIN board 8 Unsolder the flexible board 9 Unsolder the motor ...

Page 7: ...ER FA ASSY 8 Screw M1 4 qa Remove soldering from Head flexible board 0 Bracket CASSETTE assy 9 Shaft 6 Shaft 5 Two screws M1 4 7 Lever B assy lock qd Remove the holder FA assy in the direction of the arrow 2 Screw M1 4 qs Head flexible board 3 Hook spring 1 Spring tension 4 Spring tension Ver 1 2 2003 11 ...

Page 8: ...ote Be careful of the claw 2 Remove the pinch lever NF assy in the direction of the arrow Note Be careful of the claw 5 Remove the head magnetic HP701 in the direction of the arrow 1 Remove the spring HD2 2 Remove the spring HDA 3 Remove the seat H Lever head 4 Remove the head lever while the head magnetic HP701 is kept attached ...

Page 9: ...AX SOUND mode NORM DOLBY mode OFF Test tape Tape Speed Adjustment Procedure 1 PlaybackWS 48A tape center part in the FWD state and adjust RV601 so that the frequency counter reading becomes 3 000 Hz Specification Value 2 Check that frequency counter reading is within 2 of reading of step 1 Adjustment Location Digital frequency counter 2 985 to 3 015 Hz Type WS 48A Signal 3 kHz 0 dB Used for tape s...

Page 10: ... VREF FWD L FWD R REV L REV R L R L R REF V ICI1 VI1 VI2 IV U IN V IN W IN CTRL 1 CTRL 2 DIR PSIG UT VT WT UT VT WT WS VS US TU TW TV TU TW TV W V U W V U C 16 WS VS US W OUT V OUT U OUT MCENTER MC B BATT SYSTEM CONTROL IC705 6 PM CTL DATA RMUM 1 AUDIO ATT 17 RESET 35 1 2 A B SW 13 FWD SW CEN SW RVS SW 2 BATT DET 15 NOIZE SELECT 14 B DDC SURROUND CONTROL Q303 9 SURROUND AMP IC302 VCC B DDC B 2 0V ...

Page 11: ...56 11 11 11 11 1 679 256 MAIN BOARD SIDE A MAIN BOARD SIDE B S301 w VOL AVLS J301 MIN NORM MAX S704 1 TAPE IN SWITCH S704 2 ATS SWITCH PM701 PLUNGER V U W TV TW C TU L CH L CH FLEXIBLE BOARD R CH R CH HP701 PLAYBACK REV FWD BATTERY CASE DRY BATTERY SIZE AA IEC DESIGNATION R6 1PC 1 5V RECHAGEABLE BATTERY NH 14WM 1 2V 1400mA 16 JOG FF REW bB x REVTCNTTFWD A B Ref No Location D701 B 5 D702 E 3 IC301 ...

Page 12: ...H adjustment for repair Power voltage is dc 1 3V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark PLAY Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be not...

Page 13: ...t to ground under no signal detuned conditions no mark PLAY Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Refer to page 22 for IC Block Diagrams Refer to page 23 for IC Pin Function ...

Page 14: ...E SW F R SW BST SW PW SW NT SW AMS OUT BEEP MT TC CAMP SW AMS IN PRE NF R PRE OUT R MTL DRV R MTL DRV L PRE OUT L PRE NF L REV IN L REV IN R REF OUT FWD IN R FWD IN L IC701 XC6383C251ML BIAS CIRCUIT WEIGHT G2 G1 V I ACH BLOCK GM SUN BCH BLOCK SAME ACH 14 13 12 11 10 9 8 1 2 3 4 5 6 7 GND IREF VREF INB OUT B DC B DET B VCC SW VEXT IN A OUT A DC A DET A IC303 NJM2185AV IC302 NJM2190V 9 LIN VREF C3 G...

Page 15: ... 5 6 1 2 9 7 8 14 15 16 17 18 19 20 21 22 24 23 25 26 27 30 29 28 36 35 34 33 32 31 WS MC U IN 3 VCC V IN W IN CTRL1 CTRL2 DIR VS US U OUT NC V OUT W OUT WT VT UT PGND FC CT2 CT1 IR ICI2 ICI1 I SOFT M CENTER GND VI2 VI1 IV VC 13 PW 12 CI 11 Vref 10 P SIG IC703 MM1305BWBE 1 2 3 4 8 7 6 5 VCC CE RIPPLE GND OUT 1 OUT 2 OUT 3 OUT 4 ...

Page 16: ...ositive polarity side Pressure power supply terminal for backup External capacitor for step up power supply is connected to this terminal External capacitor for step up power supply is connected to this terminal Power supply terminal of positive polarity side for internal logic External crystal oscillator External crystal oscillator Test input terminal Test input terminal External capacitor for os...

Page 17: ...BOARD COMPLETE 6 3 221 642 01 LID BATTERY CASE 7 3 704 197 01 SCREW M1 4 SPECIAL HEAD 8 X 3377 726 1 TERMINAL BOARD ASSY 9 A 3052 253 A ORNAMENT OPEN BLOCK ASSY 10 3 031 460 01 SHEET BT 11 4 963 883 51 SCREW M1 4 PRECISION PAN 12 3 029 220 11 SPRING TENSION 13 3 365 630 41 SCREW M1 4 14 X 3377 717 1 BRACKET ASSY 15 X 3379 425 1 LEVER B ASSY LOCK 16 3 366 892 01 SCREW M1 4 17 X 3379 426 1 BRACKET C...

Page 18: ...R 67 3 221 357 01 BELT F0 68 3 007 433 01 SHEET N REFLECTION 69 3 029 283 01 GEAR IDLER A 70 3 029 765 01 SCREW M1 4 TOOTHED LOCK 71 X 3379 421 1 FLYWHEEL R ASSY 72 3 029 883 01 RETAINER F1 MOTOR 73 3 029 273 01 GEAR FR 74 3 010 273 02 GEAR REEL 75 3 029 288 01 PULLEY REVERSE 76 3 010 954 01 SPRING BT COMPRESSION 77 3 010 274 02 TABLE REEL 78 3 029 289 01 WASHER 79 3 029 276 01 WASHER STOPPER R 80...

Page 19: ...3V C302 1 125 926 11 TANTAL CHIP 4 7uF 20 6 3V C303 1 115 156 11 CERAMIC CHIP 1uF 10V C304 1 127 895 11 TANTAL CHIP 22uF 20 4V C306 1 107 820 11 CERAMIC CHIP 0 1uF 16V C307 1 113 600 11 TANTAL CHIP 2 2uF 20 00 6 3V C308 1 164 505 11 CERAMIC CHIP 2 2uF 16V C310 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C311 1 165 112 11 CERAMIC CHIP 0 33uF 16V C312 1 165 128 11 CERAMIC CHIP 0 22uF 16V C313 1 164 937 11...

Page 20: ...8 963 11 RES CHIP 6 8K 5 1 16W R111 1 218 959 11 RES CHIP 3 3K 5 1 16W R112 1 218 971 11 RES CHIP 33K 5 1 16W R113 1 208 675 11 METAL CHIP 470 0 5 1 16W R114 1 218 989 11 RES CHIP 1M 5 1 16W R115 1 218 967 11 RES CHIP 15K 5 1 16W R116 1 218 973 11 RES CHIP 47K 5 1 16W R117 1 218 943 11 RES CHIP 150 5 1 16W R201 1 218 967 11 RES CHIP 15K 5 1 16W R202 1 218 943 11 RES CHIP 150 5 1 16W R203 1 218 977...

Page 21: ...W R728 1 218 985 11 RES CHIP 470K 5 1 16W R729 1 218 985 11 RES CHIP 470K 5 1 16W R730 1 218 981 11 RES CHIP 220K 5 1 16W VARIABLE RESISTOR RV601 1 223 325 21 RES ADJ METAL GLAZE 100K SWITCH S301 1 692 605 11 SWITCH SLIDE w VOL S701 1 762 516 11 SWITCH PUSH 1 KEY A B S702 1 771 475 11 SWITCH SLIDE REW CONT FF S703 1 771 816 11 SWITCH LEVER SLIDE JOG Y x VIBRATOR X701 1 579 258 11 VIBRATOR CRYSTAL ...

Page 22: ...WM EX2000 MEMO ...

Page 23: ...odels addition 1 2 2003 11 Correction of Part No for Ref No 14 and 17 SPM 03054 REVISION HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page WM EX2000 ...

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