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Sony Walkman WM-EX527, Руководство по обслуживанию

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WM-EX527

12

12

SECTION  6

DIAGRAMS

6-1.

BLOCK  DIAGRAM

+ 
–

PREAMP

AMS

AGC

DET

COMPARATOR

IC704

BEEP

V/I

EQ

METAL

CONTROL

SPEED

CONTROL

DIRECTION CONTROL

PHOTO REFLECTOR

SWITCH & BUFFER

Q702

PLUNGER

DRIVE

Q701

AVLS CONTROL

 SWITCH

Q304

MEGA BASS/GROOVE

SWITCHING

Q303

RIPPLE FILTER

Q301

RESET SIGNAL

GENERATOR

IC703

ROTATION DETECT

SENSOR

PH701

CAPSTAN/REEL

MOTOR DRIVE

IC601

SYSTEM CONTROLLER

IC701

M901

(CAPSTAN/REEL)

HP901

(PLAYBACK)

AUDIO MASTER AMP

IC301

  SIGNAL PATH

: PLAYBACK

MOTOR

DRIVE

CIRCUIT

SWITCH &

LOGIC

CIRCUIT

BIAS

REFERENCE

VOLTAGE

OSC

CIRCUIT

DRY BATTERY

SIZE   AA

(IEC DESIGNATION R6)

1PC. 1.5V

BATT B+

DDC B+

BATT B+

X701

4MHz

THP601

TAPE SPEED

RV601

START

VREF

IN+

COMPARATOR

VSP

OUT

VCC

DATA

REMO

GND

BATT B+

BATT B+

BASE

PW OUT-L

PW OUT-R

PW OUT-C

POWER AMP

POWER AMP

POWER AMP

PW

NF-L

BASS BOOST

AMP

PW
IN-L

PW
IN-C

BST
OUT

VOL

RV301-1

HOLD

S707

J301

S901-2

(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

A

VLS

CTL

18

GRV/MB CTL

19

AMS IN

4

BST CTL

20

SPEED CTL

35

MOTOR CTL

33

BEEP

15

MT SW

41

MUTE

36

PW SW

42

AMP CTL

11

RMUM

14

R DA

TA OUT

30

KEY IN

2

1

5

S901-1

(TAPE DETECT)

+

+

+

FWD

CENTER

REV

OFF

HOLD

D703
BATT

PHOTO IN

8

PHOTO CTL 10

PM CTL

PM901

(PLUNGER)

38

DDC B+

BA

TT DET

1

DDC B+

RESET

12

W

AKE UP

LED BL SKIP

40

D706

BL SKIP/        

LED AVLS

39

D705

AVLS

S702 – 706, 708 

R-ch is omitted due to same as L-ch.

DC/DC

CONVERTER

D702, IC702, L701

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

Содержание Walkman WM-EX527

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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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