Sony Walkman WM-EX527 Service Manual Download Page 15

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WM-EX527

C202

C305

C708

C102

R712

R212

R211

R717

R111

R112

C711

R726

D711

IC703

IC702

IC301

D710

C608

C606

C307

C308

C312

R721

R734

R737

R725

R723

R736

R722

R735

R720

R733

R714

R739

R213

R113

R307

C703

C207

C304

C107

R732

R731

C601

R601

R724

R603

R604

R623

R624

R622

R701

R703

R702

C310

C201

C101 +

C301 +

C702

C701

CB301

IC701

C303

Q304

Q301

D702

THP601

S701

(DIRECTION)

C314

C313

C306

C322

R302

R707

R605

R705

R704

R711

R727

R306

R114

R214

R205

R107

R206

R106

R305

R304

R303

R108

R207

R602

C607

C605

C323

C321

C233

C133

C709

C320

C203

C302

C104

C204

C319

C209

R715

R708

R738

R308

JC201

JC101

R718

R750

R728

R710

R706

R713

R740

R105

R208

FB101

FB201

R203

R202

R103

R104

R204

R201

R102

R101

C603

C604

C602

C311

C109

C108

C103

C316

C309

C208

IC704

IC601

D709

Q303

D701

RV601

COM

X701

Q702

Q701

S707

HOLD

HOLD OFF

RV301

VOL

–2

–1

J301

MAIN BOARD

(SIDE A)

MAIN BOARD

(SIDE B)

L701

1-676-381-

(11)

1-676-381-

(11)

FWD

CENTER

REW

S704

FF AMS

BL SKIP/

S705

D706

S708

FUNCTION

S706

SOUND

D705

AVLS

S702

D703

BATT

TP36

(PHOTO IN)

TP46

(GND)

(CHASSIS)

DRY BATTERY

SIZE AA

(IEC DESIGNATION R6)

1PC.1.5V

PM901

(PLUNGER)

S901-1

(TAPE DETECT)

S901-2

(ATS)

BP701

M901

CAPSTAN/

REEL

PH701

REW

L-CH

HP901

(PLAYBACK)

L-CH

R-CH

FWD

GND

REMO

DATA

VCC

REPEAT

S703

REW AMS

AVLS

JC702

6-3.

PRINTED WIRING BOARD

IC301

C-6

IC601

J-13

IC701

F-4

IC702

H-8

IC703

D-2

IC704

H-11

PH701

I-4

Q301

B-6

Q303

C-15

Q304

C-3

Q701

G-4

Q702

J-4

w w w . x i a o y u 1 6 3 . c o m

Q Q 3 7 6 3 1 5 1 5 0

T E L

1 3 9 4 2 2 9 6 5 1 3

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for Walkman WM-EX527

Page 1: ...uced in Japan Note The battery life may be shorter depending on the operating condition the surrounding temperature and battery type Frequency response Playback 30 18 000 Hz Output Headphones i jack Load impedance 8 300 1 Power requirements 1 5 V One R6 size AA battery Dimensions w h d Approx 78 1 x 108 0 x 28 1 mm excluding projecting parts and controls Mass Approx 161 g main unit only Supplied a...

Page 2: ...tion Description 16 7 EXPLODED VIEWS 7 1 Case Section 18 7 2 Mechanism Deck Section MT WMEX505 162 19 8 ELECTRICAL PARTS LIST 20 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 soldering or unsolderi...

Page 3: ...this timing and set to the center position 3 FF REW modes 1 Check that the preset state is set 2 Input the square wave or sine wave to the TP36 PHOTO IN and the TP46 GND 3 Press the x button S702 to set the STOP mode 4 Press the FF button S704 or the REW button S705 4 PLAY mode 1 Check that the preset state is set 2 Input the square wave or sine wave to the TP36 PHOTO IN and the TP46 GND 3 Press t...

Page 4: ...ley clutch assy F gear Y cam gear gear REEL T side motor pulley idler A gear T side gear NR FWD left side REW right side idler B gear idler A gear S side gear REEL S side insert flywheel N insert flywheel R reverse pulley clutch assy F gear Y cam gear motor pulley gear FR REW right side idler A gear S side gear REEL S side www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4...

Page 5: ...n unit to show the direction to turn up the volume The button has a tactile dot SECTION 2 GENERAL This section is extracted from instruction manual www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 6: ...AYBACK HP901 Page 11 3 8 MOTOR CAPSTAN REEL M901 Page 10 3 5 BATTERY HOLDER Page 8 3 7 MAIN BOARD Page 9 3 6 BELT F2 Page 8 Note 1 The process described in can be performed in any order Note 2 Without completing the process described in the next process can not be performed SET 4 cassette lid assy 2 two screws M1 4 2 screw M1 4 1 Open the cassette lid assy 3 boss www xiaoyu163 com QQ376315150 9 9 ...

Page 7: ...eel ornament block assy 1 claw knob hold S707 On installation reel ornament adjust the S707 and knob hold www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 8: ...ery terminal 1 Break the soldering of battery terminal 1 belt F2 See page 4 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 9: ...r solders of motor 1 Remove four solders of leaf switch 3 main board slider NRA S701 main board On installation main board adjust the S701 and slider NRA www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 10: ...e assy M 5 lock lever S M 4 screw M1 4 6 boss 9 Remove the holder FS section to direction of the arrow 8 Remove six solders of flexible board www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 11: ...h more than 4 90 mN m FF REW CQ 201B more than 50 g cm more than 0 7 oz inch SECTION 4 MECHANICAL ADJUSTMENTS SECTION 5 ELECTRICAL ADJUSTMENTS TAPE SPEED ADJUSTMENT Setting PRECAUTION 1 Specified voltage 1 3 V DC 2 Switch setting SOUND NORM MB GRV NORM normal AVLS OFF BL SKIP OFF MODE s VOLUME MAX HOLD OFF TEST TAPE Procedure 1 Playback WS 48A tape center in the FWD state 2 Adjust RV601 so that th...

Page 12: ...h more than 4 90 mN m FF REW CQ 201B more than 50 g cm more than 0 7 oz inch SECTION 4 MECHANICAL ADJUSTMENTS SECTION 5 ELECTRICAL ADJUSTMENTS TAPE SPEED ADJUSTMENT Setting PRECAUTION 1 Specified voltage 1 3 V DC 2 Switch setting SOUND NORM MB GRV NORM normal AVLS OFF BL SKIP OFF MODE s VOLUME MAX HOLD OFF TEST TAPE Procedure 1 Playback WS 48A tape center in the FWD state 2 Adjust RV601 so that th...

Page 13: ...2 ATS PRE OUT L MTL DRV L FWD IN L REV IN L L CH R CH FWD L CH R CH REV R CH R CH R CH R CH R CH R CH R CH S701 DIRECTION OSC OSC IN MOTOR DIR AMS OUT F R SW M N SW 25 8 7 5 DR 6 10 9 11 W 3 V 1 U W V U 19 5 X2 26 X1 27 34 LED BATT 31 18 VCC 19 RF OUT 17 20 22 21 29 EQ L 30 40 BST SW 43 AGC IN 35 BEEP 39 28 32 33 AMS IN 12 7 8 46 44 F R CTL 16 TAPE SW 13 F R SW 3 AVLS CTL 18 GRV MB CTL 19 AMS IN 4...

Page 14: ... designation A B Line H adjustment for repair Total current is measured with no cassette installed Power voltage is dc 1 5V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground in playback mode no mark PLAYBACK Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveform...

Page 15: ...B C E S707 HOLD HOLD OFF RV301 VOL 2 1 J301 MAIN BOARD SIDE A MAIN BOARD SIDE B 1 3 5 4 L701 1 676 381 11 11 1 676 381 11 11 FWD CENTER REW B E C S704 FF AMS BL SKIP BL SKIP S705 D706 S708 FUNCTION S706 SOUND D705 AVLS S702 D703 BATT TP36 PHOTO IN 1 3 5 4 TP46 GND CHASSIS DRY BATTERY SIZE AA IEC DESIGNATION R6 1PC 1 5V PM901 PLUNGER S901 1 TAPE DETECT S901 2 ATS BP701 K K K K A M901 CAPSTAN REEL P...

Page 16: ... IC Block Diagrams w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 17: ...gnal output for power on off to the audio master amplifier or power supply output for the Dolby NR amplifier H power on Dolby NR amplifier Not used in this set 12 WAKE UP I Input of acknowledge signal for the key entry Acknowledge signal is input to accept function in the power off status On at input of H 13 TAPE SW I Cassette tape detect switch input terminal L cassette detected 14 RMUM I Connect...

Page 18: ...r on 39 LED AVLS O LED drive signal output of the AVLS indicator L LED on 40 LED BL SKIP O LED drive signal output of the BL SKIP s indicator L LED on 41 42 NC Not used 43 AVDD Power supply terminal 2 5V for A D converter 44 AVREF I Reference voltage input terminal 2 5V for A D converter www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 139...

Page 19: ...9 590 05 SCREW IB LOCK 10 3 038 054 01 LEVER B M LOCK 11 3 375 114 81 SCREW 12 X 3377 717 2 BRACKET ASSY M 14 3 237 997 21 COVER MD 15 3 225 996 09 SCREW M1 4 EG PRECISION PAN 16 X 3383 061 1 LID ASSY CASSETTE S SILVER 16 X 3383 062 1 LID ASSY CASSETTE L BLUE 17 X 3377 719 1 BRACKET CASSETTE ASSY M 18 3 365 630 41 SCREW M1 4 19 3 042 006 41 ORNAMENT REEL for SILVER 19 3 042 006 51 ORNAMENT REEL fo...

Page 20: ...REFLECTION 120 X 3378 107 3 CHASSIS FB ASSY 121 3 010 274 02 TABLE REEL 122 3 010 954 01 SPRING BT COMPRESSION 123 3 029 282 01 GEAR Y 124 3 029 285 02 GEAR CAM 125 3 029 284 03 LEVER TRIGGER 126 3 029 281 01 GEAR IDLER B 127 3 010 273 02 GEAR REEL 128 3 029 273 01 GEAR FR 129 3 029 283 02 GEAR IDLER A 130 3 029 286 01 GEAR NR 131 3 029 288 01 PULLEY REVERSE 132 3 033 757 01 SHEET H HP901 1 500 63...

Page 21: ...o standardization replacements in the parts list may be different from the parts speci fied in the diagrams or the components used on the set XX and X mean standardized parts so they may have some difference from the original one RESISTORS All resistors are in ohms METAL Metal film resistor METAL OXIDE Metal oxide film resistor F nonflammable Items marked are not stocked since they are seldom requ...

Page 22: ... R702 1 216 855 11 METAL CHIP 680K 5 1 10W R703 1 216 853 11 METAL CHIP 470K 5 1 10W R704 1 216 853 11 METAL CHIP 470K 5 1 10W R705 1 216 821 11 METAL CHIP 1K 5 1 10W R706 1 216 843 11 METAL CHIP 68K 5 1 10W R707 1 218 911 11 METAL CHIP 470K 0 5 1 10W R708 1 218 863 11 METAL CHIP 4 7K 0 5 1 10W R710 1 216 853 11 METAL CHIP 470K 5 1 10W R711 1 216 853 11 METAL CHIP 470K 5 1 10W R712 1 216 853 11 ME...

Page 23: ...771 888 11 SWITCH LEAF TAPE DETECT ATS ACCESSORIES 3 247 273 41 MANUAL INSTRUCTION ENGLISH TRADITIONAL CHINESE KOREAN 8 954 008 90 RECEIVER EAR MDR E808SP C SET A 3052 138 A REMOTE CONTROL ASSY RM WME5 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu1...

Page 24: ...xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 25: ...he revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2003 01 New www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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Sony Walkman WM-EX527, Service Manual

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