Sony Walkman WM-GX400 Service Manual Download Page 22

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WM-GX400

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

5-3. MECHANISM SECTION-1 (MT-WMGX400-175)

101

3-704-197-01 SCREW (M1.4), SPECIAL HEAD

102

3-225-429-01 BELT (AR)

103

3-225-390-01 PULLEY (REVERSE)

104

X-3379-877-1 FLY ASSY, CAPSTAN

105

3-386-694-01 WASHER

106

3-029-278-01 WASHER

107

3-029-275-01 WASHER (STOPPER N)

108

3-042-480-01 SCREW (M1.4)

109

X-3379-882-1 PINCH (N) ASSY, ARM

110

3-019-776-01 GEAR (REEL-S)

111

3-225-399-01 LEVER (N SHUT OFF)

112

X-3379-883-1 PINCH (R) ASSY, ARM

HRPE3011-500-685-11 HEAD, MAGNETIC (REC/PB/ERASE)
M601

1-763-687-11 MOTOR, DC(CAPSTAN/REEL)

(INCULUDING PULLY)

110

107

106

105

103

102

101

107

106

104

111

109

112

108

A (Included in No.151)

M601

HRPE301

not
supplied

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

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Summary of Contents for Walkman WM-GX400

Page 1: ...ches excl projecting parts and controls Mass Approx 190 g 6 8oz main unit only Supplied accessories Stereo headphones or earphones 1 Stereo microphone 1 Sony dry battery R6P SR 2 Sony World Model only Design and specifications are subject to change without notice Battery life Approx hours EIAJ Sony alkaline LR6 SG Sony R6P SR using headphones earphones playback 24 6 radio 48 15 mic recording 20 4 ...

Page 2: ...tion of IC Terminals 7 4 2 Block Diagrams Tape Section 8 4 3 Block Diagrams Tuner Section 9 4 4 Printed Wiring Board Main Section Side A 10 4 5 Printed Wiring Board Main Section Side B 11 4 6 Schematic Diagram Main Section 1 2 12 4 7 Schematic Diagram Main Section 2 2 13 4 8 Printed Wiring Board Display Section Side A 14 4 9 Printed Wiring Board Display Section Side B 15 4 10 Schematic Diagram Dis...

Page 3: ... When installing the cassette lid ASSY insert the one side of the spring toggle and set the other side into the gap on the cabinet front as shown in the figure 7 3 6 Remove from projection 6 Remove from projection 1 Screws B1 7X9 2 Claws 5 Flexible board 22 core CN302 4 Flexible board 22 core CN301 Lid cassette ASSY Cabinet front Cabinet rear Hand strap Spring toggle www xiaoyu163 com QQ376315150 ...

Page 4: ...N303 1 Remove soldering four places Main board 2 1 Screws IB LOCK Cabinet front Mechanism deck MT WMGX400 175 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 5: ...5 2 5 DISPLAY BOARD 2 4 HRPE301 REC PB ERASE HEAD M601 CAPSTAN REEL MOTOR BELT AR Attaching belt AR 3 Belt AR 4 Screws M1 4 1 Screws M1 4 5 M601 CAPSTAN REEL motor 2 HRPE301 REC PB ERASE head 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 htt...

Page 6: ... maximum SPEAKER HEADPHONE switch i headphone AVLS switch OFF FUNCTION switch OFF ISS switch 1 TAPE DECK SECTION 0 dB 0 775 V Test Tape Type Signal Used for WS 48A 3 kHz 0 dB Tape Speed Adjustment Tape Speed Adjustment Procedure 1 Set REC TIME switch S706 to NORMAL 4 8cm s 2 Play back the center portion of tape in REVmode adjust RV602 so that the reading on the frequency counter becomes 3 000 Hz 3...

Page 7: ... SYSTEM CONTROL LCD DRIVE LC72349W 9A27 TUNER SECTION 0 dB 1 µV AM Section FUNCTION switch AM FM Section FUNCTION switch FM Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors AM IF ADJUSTMENT Adjust for a maximum reading on level meter RV2 999 kHz 1 000kHz AM TRACKING ADJUSTMENT Adjust for a ma...

Page 8: ...1 S707 S303 BATT TUN MODE MOTOR CTL 10 MOTOR BLK 19 AMP ON 29 2 3 22 TAPE BATT 28 REC 13 VERSION 18 TUNING A 31 TUNING B 11 PUSH C B A COM BATT PAUSE X2 N R SW PB1 PB2 PA0 PA1 PA2 COM1 COM4 S706 48 45 44 33 S1 S2 SYSTEM CONTROL IC701 1 2 MOTOR DRIVE SPEED CONTROL IC301 IC302 1 2 REC PB AMP BATT DETECT IC702 S302 REC PB S301 FWD REV RADIO ON MUTE C MAIN BOARD 2 2 GATE SWITCH Q356 MIC VCC VCC BATT Q...

Page 9: ...2 SYSTEM CONTROL IC701 2 2 RADIO ON MUTE C IC101 L CH IC201 R CH IC302 2 2 PRE AMP IC1 FM AM TV FRONT END IF DET FM MPX L4 D2 L3 AM FERRITE BAR ANTENNA CT1 D1 L7 L6 D4 L4 FM TRACKING L7 CT1 AM TRACKING DISPLAY BOARD 3 3 MAIN BOARD 2 2 T401 L401 D402 TUNER VCC VCC J301 i SP101 SPEAKER L CH SP201 SPEAKER R CH DFTO MPXI LOUT ROUT PLT2 COMP TUNE BAND RADIO ON LPF OUT MUTE R CH AM OSC FM TV OSC AMP B S...

Page 10: ... R281 R176 R177 R178 C179 C279 R278 R277 R376 R375 R201 C203 R604 R603 R609 C105 C335 R505 C186 EXCEPT CND 5E CND 5E R441 C187 R181 R180 C357 R280 R403 R402 C404 C403 C406 C402 C401 C407 Q401 L401 C405 R19 D402 R8 Q307 CT1 R6 Q3 R1 Q1 C2 R21 C16 JC3 C32 R10 R13 C25 R308 L4 C37 C30 C39 R159 R205 R105 C43 C42 C48 R352 R309 C49 C50 C53 C51 C375 D403 FB303 C410 RV1 RV2 R22 JC2 R404 BCE BCE BCE BCE BCE...

Page 11: ...CEPT CND 5E TP358 TP363 TP360 TP359 1 5 9 TP356 REV FWD TP357 TP362 TP361 C201 TP472 TP471 C181 TP323 TP336 TP337 R279 Q374 R259 D406 C188 R372 R377 R283 C171 C271 R179 C44 R282 C177 C173 C273 C277 R174 T401 R254 C3 TP364 TP365 TP366 TP3 TP367 TP368 TP369 TP370 J302 MIC PLUG IN POWER FB302 D401 R401 C408 BLK ORG WHT RED C409 R378 IC301 C352 C503 C371 J501 L7 S301 F R SW S302 REC PB C504 1 5 10 15 ...

Page 12: ... 15k 15k 22P CXA1960Q 2SC3931 LPF 47 4V 0 01 1 10k 2200p 2200p 10k 2 2k 1 6 8k 1 10k 47 4V 220k 220 0 01 15k 330k 0 1 2200p 0 01 10k 220 220k 0 01 10k 1 0 0 1k 1 1000p 10k 0 047 1k 0 1000p 2SC3931 RN1311 2SA1586 RN1311 CXA2500N 1 DC DC CON TRANCE FM RF 1 2 3 4 5 6 7 8 9 10 11 1213 1415 16 FM IN AVLS N R SW REC TAPE MUTE LED GND TUNER VCC GND LPF OUT AM IN MIC MIC GND MIC VCC MONO COMP X SD BAND RA...

Page 13: ...0p 2SC4207 1k 47k 0 01 0 01 47k 1k 47 4V 2SC4116 10 0 01 1000p 10k 47 1 10k 100k TAPE POWER SW 4 7k 100k 1000p 1 LB1979V 22P NJM2073M NJM2073M 0 100 4V MOTOR REEL CAPSTAN 680 1 1 1k 33k 3 3K 3900PPM 0 470 100 4V 100 4V RN2307 2SC4116 2SC4213 2SD596 T1DV4 2SA1362 RN1307 2SC4116 2SA1362 2SC4207 RN1311 2SA1745 2SA1745 0 4 7k 1 2 3 4 5 12 10 7 6 8 9 13 11 16 15 14 R L FWD REV FWD REV R L ERASE MOTOR B...

Page 14: ...OCAL DX 2 3 4 5 6 7 8 9 10 A 1 B C D E 4 8 PRINTED WIRING BOARD DISPLAY SECTION SIDE A Note X parts extracted from the component side a Through hole Pattern from the side which enables seeing Abbreviation CND Canadian 5E Indication of country of origin DX LOCAL 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 ...

Page 15: ... TP747 TP728 TP729 TP730 TP705 TP703 TP706 C704 C722 C726 R715 R713 TP738 TP735 TP740 TP732 TP733 TP741 BLK RED R750 R751 C751 R739 C721 R728 C730 R714 R710 R712 R729 R730 R716 TP716 TP715 TP709 CN702 TP748 TP749 C712 R754 C732 BLK TP750 R706 C727 CHASSIS 1 5 10 15 20 22 1 5 10 15 20 22 2 3 4 5 6 7 8 9 10 A 1 B C D E Note X parts extracted from the component side a Through hole Pattern from the si...

Page 16: ...72349W 10k 22P 22P 330k 10k 10k 10k 10k XC62RP1602MR 10k 33k 75kHz 0 10 4V 1000p S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 COM1 COM2 COM3 COM4 COM2 COM3 COM4 COM1 FM IN AM IN LPF OUT GND MONO COMP BAND X SD RADIO ON MIC MIC GND MIC VCC AVLS N R SW REC TAPE MUTE LED GND MOTOR BRK MOTOR CTL AMP ON PAUSE BATT GND GND ISS 2 ISS 3 TAPE SPEED VDD SP R SP R SP R SP R S...

Page 17: ...oscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM f AM E PB a REC N MIC Abbreviation CND Canadian FR French EA Saudi Arabia CH Chinese JEW Tourist E Indication of country of origin ST MONO 9E No Indication of country of origin 5E Indication of country of origin DX LOCAL 1 IC401 C VOLT DIV 0 5 V AC TIME DIV 0 1 µsec MAIN ...

Page 18: ... 28 23 24 25 26 22 21 11 REFERENCE MIC INPUT A PB OUTPUT A REC DRIVE INPUT A REC DRIVE OUTPUT A AGC TIME CONSTANT TAPE TUNER SELECTOR 1 2 PB PRE INPUT A PB NF A 3 4 5 PB EQ SWITCH A TUNER INPUT A LINE OUTPUT A 6 7 8 9 10 11 12 REC DRIVE OUTPUT B VCC PB REC SELECTOR 13 14 15 PB OUTPUT B PB NF B PB PRE INPUT B MIC INPUT B GND 20 21 22 23 24 TUNER INPUT B PB EQ SWITCH B 18 19 REC DRIVE INPUT B LINE O...

Page 19: ... 14 15 16 18 20 19 STARTING DETECT POWER SUPPLY BIAS OSCILLATING CIRCUIT SPEED CONTROL REFERENCE VOLTAGE REFERENCE VOLTAGE CURRENT DETECT SPEED DETECT WAVEFORM DETECT COMMUTATION STARTING LOGIC SOFT SWITCH PRE DRIVER 17 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 89249829...

Page 20: ... 5E 2 3 225 573 41 CABINET FRONT CND 5E 3 3 225 572 11 BUTTON REC 4 3 225 569 11 BUTTON STOP 5 3 225 568 11 BUTTON PLAY 6 3 225 571 11 BUTTON REW 7 3 225 570 11 BUTTON FF 8 A 3021 364 A MAIN BOARD COMPLETE AEP E 9E CH EA JEW 8 A 3021 367 A MAIN BOARD COMPLETE CND 5E 8 A 3021 369 A MAIN BOARD COMPLETE FR 9 3 927 521 01 CUSHION BATTERY CASE LID 10 3 225 577 11 LID BATTERY CASE 11 3 226 525 01 TERMIN...

Page 21: ...9 01 HOLDER CASSETTE 61 3 034 792 01 SCREW TAPPING B2 0 62 3 375 114 31 SCREW 63 3 229 667 01 CUSHION MIC 64 3 039 027 01 SPACER MIC 65 3 229 210 01 SPRING CASSETTE 66 X 3380 888 1 LID CASSETTE ASSY 67 3 229 212 01 PLATE MAGNETICALLY SHIELD MIC301 1 542 386 11 MICROPHONE ELECTRET CONDENSER SP101 1 505 493 11 SPEAKER 3 6cm SP201 1 505 493 11 SPEAKER 3 6cm 52 51 53 53 59 63 58 58 65 62 61 67 61 66 5...

Page 22: ...PINCH N ASSY ARM 110 3 019 776 01 GEAR REEL S 111 3 225 399 01 LEVER N SHUT OFF 112 X 3379 883 1 PINCH R ASSY ARM HRPE3011 500 685 11 HEAD MAGNETIC REC PB ERASE M601 1 763 687 11 MOTOR DC CAPSTAN REEL INCULUDING PULLY 110 107 106 105 105 103 102 101 107 106 104 111 109 112 108 z A Included in No 151 M601 HRPE301 not supplied not supplied not supplied www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8...

Page 23: ...HUT OFF 163 3 225 448 01 SPRING SHUT OFF TORSION 164 3 321 813 71 WASHER COTTER POLYETHYLENE 165 X 3379 881 1 CLUTCH ASSY 166 3 315 384 31 WASHER STOPPER 167 3 225 438 01 SPRING NR SLIDER TORSION 168 3 225 396 01 LEVER DIR 169 3 225 388 01 GEAR D 170 3 225 394 01 LEVER FF ROTARY 171 3 225 444 01 SPRING FR ROTARY TENSION 151 152 153 154 155 156 157 159 160 162 164 163 165 166 167 168 169 171 170 16...

Page 24: ...P 0 001uF 10 50V C34 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C37 1 162 966 11 CERAMIC CHIP 0 0022uF 10 50V C39 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C40 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C42 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C43 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C44 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C48 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C49 1 162 964 11 CERAMIC...

Page 25: ...3V CONNECTOR CN301 1 573 362 11 CONNECTOR FFC FPC 22P CN302 1 573 931 11 CONNECTOR FFC FPC ZIF 22P CN303 1 573 349 21 CONNECTOR FFC FPC 9P TRIMMER CT1 1 141 422 11 CAP ADJ 10PF AM TRACKING DIODE D1 8 719 076 70 DIODE KV1520TL D2 8 719 076 71 DIODE KV1471ETR D4 8 719 076 71 DIODE KV1471ETR D401 8 719 073 01 DIODE MA111 K8 S0 D402 8 719 420 87 DIODE MA8130 D403 8 719 049 09 DIODE 1SS367 T3SONY D406 ...

Page 26: ... 1 216 797 11 METAL CHIP 10 5 1 16W R179 1 216 825 11 METAL CHIP 2 2K 5 1 16W FR R179 1 216 849 11 METAL CHIP 220K 5 1 16W EXCEPT FR R180 1 216 801 11 METAL CHIP 22 5 1 16W EXCEPT FR R180 1 216 809 11 METAL CHIP 100 5 1 16W FR R181 1 216 845 11 METAL CHIP 100K 5 1 16W R201 1 216 835 11 METAL CHIP 15K 5 1 16W R203 1 216 851 11 METAL CHIP 330K 5 1 16W R204 1 216 813 11 METAL CHIP 220 5 1 16W R205 1 ...

Page 27: ...N ADJ VAR 4 7K TAPE SPEED 4 8cm s SWITCH S301 1 762 081 11 SWITCH SLIDE FWD REV S302 1 762 081 11 SWITCH SLIDE REC PB S303 1 572 922 11 SWITCH SLIDE PAUSE S601 1 572 688 11 SWITCH PUSH 1 KEY TAPE TRANSFORMER T331 1 433 286 23 TRANSFORMER BIAS OSCILLATION T401 1 449 021 21 TRANSFORMER DC DC CONVERTER THERMISTOR TH601 1 810 794 11 THERMISTOR POSITIVE A 3021 365 A DISPLAY BOARD COMPLETE AEP FR CH EA ...

Page 28: ...16W R750 1 216 827 11 METAL CHIP 3 3K 5 1 16W R751 1 216 827 11 METAL CHIP 3 3K 5 1 16W R752 1 216 851 11 METAL CHIP 330K 5 1 16W R753 1 216 851 11 METAL CHIP 330K 5 1 16W R754 1 216 825 11 METAL CHIP 2 2K 5 1 16W SWITCH S701 1 473 805 11 ENCODER WITH SELECT SWITCH TUNING S702 1 571 277 51 SWITCH SLIDE SPEAKER ON OFF S703 1 692 605 31 SWITCH SLIDE ISS 1 2 3 S704 1 572 922 11 SWITCH SLIDE AVLS NORM...

Page 29: ...oyu163 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 30: ...he revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 03 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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