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Ver 1.0  2000.10

WM-GX100

SERVICE MANUAL

RADIO CASSETTE-CORDER

SPECIFICATIONS

E Model

Chinese Model

• Frequency range

FM: 65.0 - 107.9 MHz (Eastern Europe)

87.5 - 108 MHz (Italy and Saudi Arabia)
87.6 - 108 MHz (North, Central and South America)
87.6 - 107.9 MHz (Other countries)

AM:526.5 - 1,606.5 kHz (Italy and Saudi Arabia)

530 - 1,710 kHz (North, Central and South America)
531 - 1,602 kHz (Other countries)

• Power requirement

– 3V DC batteries R6 (AA) x 2
– External DC 3 V power sources

• Dimensions

88.8 x 118.6 x 38.0 mm (3 

1

2

 x 4 

3

4

 x 1 

1

2

 inches) (w/h/d)

• Mass

Approx. 160 g (5.7 oz)

• Supplied accessories

Stereo headphones or Stereo earphones (1), Belt clip (1),
Stereo microphone (1)

Design and specifications are subject to change without notice.

Battery life (approximate hours) 

(EIAJ*)

Sony alkaline LR6 (SG)**

Sony R6P (SR)

playback

24

7

radio

50

16

mic recording

11

3.5

radio recording

10

2.5

* Measured value by the standard of EIAJ (Electronic Industries

Association of Japan). (Using a Sony HF series cassette tape)

** When using LR6 (SG) Sony “STAMINA” alkaline dry batteries

(produced in Japan).

Note

• The battery life may be shorter depending on the operating condition,

the surrounding temperature and battery type.

Model Name Using Mechanism Type

WM-SR1

Similar Mechanism Tape Transport

MF-WMSR1-114

www. xiaoyu163. com

QQ 376315150

9

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2

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TEL 13942296513

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4

2

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0

5

1

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Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

http://www.xiaoyu163.com

http://www.xiaoyu163.com

Summary of Contents for Walkman WM-GX100

Page 1: ...ophone 1 Design and specifications are subject to change without notice Battery life approximate hours EIAJ Sony alkaline LR6 SG Sony R6P SR playback 24 7 radio 50 16 mic recording 11 3 5 radio recording 10 2 5 Measured value by the standard of EIAJ Electronic Industries Association of Japan Using a Sony HF series cassette tape When using LR6 SG Sony STAMINA alkaline dry batteries produced in Japa...

Page 2: ...uit 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 careful not to apply force on the conductor when soldering or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam ...

Page 3: ... and knobs with arrow direction z CAUTIONS DURING CABINET REAR ASSEMBLY S310 S308 S2 S305 S307 Cabinet Front Main board Cabinet rear Holder sub ASSY Cassette Mechanism deck MF WMSR1 114 Motor M901 Head Magnetic HRP901 Set 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 892498...

Page 4: ... Remove solder 4 places M901 4 Claws 5 1 Claws Mechanism deck MF WMSR1 114 2 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: ...the belt M901 2 4 Holder sub ASSY cassette 3 Spring tortion Hinge 1 Move hinge awsy from projection 1 Move hinge awsy from projection Hinge 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: ...TTING THE POINTER 2 Install the pointer and align it with A section A Pointer Pointer 1 Turn the tuning knob in the arrow direction 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 7: ...screwdriver for the adjustments 3 These measurement and adjustment should be performed with the rated power supply voltage 2 5 V unless otherwise noted Torque Measurement Mode Torque meter Meter reading 1 97 2 94 mN m FWD 20 30 g cm CQ 102D 0 28 0 41 oz inch FWD less than 0 19 mN m less than 2 g cm back tension less than 0 027 oz inch more than 3 93 mN m FF REW CQ 201B more than 40 g cm more than ...

Page 8: ... 2 109 5MHz 108 25MHz Repeat the procedures in each adjustment several times and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors SaudiArabia model J302 L1 L2 L3 L4 T1 CT1 4 CT1 3 CT1 1 CT1 2 J302 FM Frequency Coverage Adjustment AM Frequency Coverage Adjustment AM IF Adjustment AM Tracking Adjustment Tape speed adjustment RV601 FM Tracking Adjustmen...

Page 9: ... A REC OUT A 9 3 EQ AMP POWER AMP POWER AMP POWER AMP MODE CONTROL CIRCUIT PB AMP REC AMP RADIO TAPE 11 12 PWSW REC PB R CH S303 1 4 S303 2 4 REC PB S303 REC PB REC PB S303 4 4 REC PB REC PB S303 4 4 REC PB NORM LIMIT CrO2 METAL NORM PB EQ S310 VREF OFF ON MEGA BASS S306 AVLS S305 OFF ON PAUSE ç S308 MUTE PRE OUT R FWD R REV R VREF VREF 23 30 29 32 EQ AMP VREF VREF MIX 2 MIX 1 T351 BIAS OSC S307 I...

Page 10: ... 2 CV1 2 CV1 TUNING CT1 1 CV1 1 L3 FM OSC CT1 3 CV1 3 L4 AM OSC CT1 4 CV1 4 CT1 3 L3 FM FREQUENCY COVERAGE CT1 4 L4 AM FREQUENCY COVERAGE CT1 1 L1 AM TRACKING CT1 2 L2 FM TRACKING T1 AM IF B P F FL1 FM AM BAND SELECT SWITCH Q33 34 FM B D33 ANT A TUNER MUTE C TUNER L R B SIGNAL PATH FM AM 02 11 ST LED AGC TUN LED ST LED MUTING CONTROL SWITCH Q30 32 AM B FM B DET OUT AF AMP MPX IN QUAD 18 17 S2 FM M...

Page 11: ...cated Parts face side Parts on the parts face side seen from the Side A parts face are indicated D33 E 7 D101 G 10 D102 G 10 D301 F 8 D302 F 8 D305 D 9 D306 D 9 D308 G 2 D309 F 9 D405 F 8 D502 E 2 D503 E 2 IC1 C 3 IC301 E 3 IC341 D 2 IC601 G 2 Q30 F 9 Q31 F 7 Q32 F 7 Q33 D 7 Q34 D 7 Q101 F 2 Q141 B 10 Q201 F 2 Q241 B 10 Q301 F 3 Q302 F 3 Q303 F 3 Q304 F 3 Q305 E 10 Q310 E 9 Q311 F 9 Q341 D 10 Q343...

Page 12: ... for Notes z Refer to page 19 for Waveforms 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 13: ... for Notes z Refer to page 19 for Waveforms 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 14: ...o waveforms Signal path F FM f AM E PB d REC N MIC Abbreviation EA Saudi Arabia CH Chinese TW Taiwan E Indication of country of origin 9E No Indication of country of origin IC1 TA2111F EL r IC Block Diagrams AM RF IN FM RF OUT FM RF IN RF GND AM LOW CUT FM AM MIX OUT AGC VCC AM IF IN FM IF IN GND TUN LED ST LED QUAD FM OSC AM OSC AFC DET OUT MPX IN LPF2 LPF1 L OUT R OUT 7 5 4 3 1 2 6 8 9 12 10 11 ...

Page 15: ...OW BOOST SYSTEM CONTROL DET DET RIPPLE FILTER PRE 1 PRE 2 MIX 1 MIX 2 PWR 1 PWR C PWR 2 REF REF REF REF REF FC GND VCC VCC FC WB VCC NC UOUT VOUT WOUT P GND VB UB GND TO CONTROL BLOCKS TO EACH BLOCKS RI OUT VSP IN VREF S S COM OSC 7 5 4 3 1 2 6 8 9 10 11 12 13 14 15 16 18 20 19 STARTING DETECT POWER SUPPLY BIAS OSCILLATING CIRCUIT SPEED CONTROL REFERENCE VOLTAGE REFERENCE VOLTAGE CURRENT DETECT SP...

Page 16: ...9 1 HOLDER SUB ASSY B EA CASSETTE BLUE EA 7 3 930 021 11 BUTTON REC 8 3 221 751 11 BUTTON REW 9 3 221 752 11 BUTTON PLAY 10 3 221 750 11 BUTTON FF 11 3 221 749 11 BUTTON STOP 12 3 022 294 01 POINTER 13 3 022 293 01 KNOB TUNING 14 A 3021 347 A MAIN PC BOARD ASSY E 9E CH TW 14 A 3021 348 A MAIN PC BOARD ASSY EA 15 3 029 332 03 TERMINAL BATTERY 16 3 031 416 01 TERMINAL BATTERY 17 3 015 285 01 SCREW M...

Page 17: ...HER LEVER 60 3 923 530 01 SLEEVE M 61 3 728 091 01 WASHER STOPPER 62 X 3372 619 1 WHEEL ASSY NP CAPSTAN 63 3 013 560 11 BELT M901 1 698 839 11 MOTOR including PULLEY HE901 1 500 291 11 HEAD MAGNETIC ERASE HRP901 1 500 595 11 HEAD MAGNETIC RECOR PLAYBACK 51 HRP901 HE901 M901 52 53 54 55 56 57 58 59 60 61 62 63 5 2 MECHANISM DECK SECTION MF WMSR1 114 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 T...

Page 18: ...23 1 163 023 00 CERAMIC CHIP 0 015uF 5 50V C24 1 163 023 00 CERAMIC CHIP 0 015uF 5 50V C29 1 110 569 11 TANTAL CHIP 47uF 20 4V C30 1 164 346 11 CERAMIC CHIP 1uF 16V C31 1 164 346 11 CERAMIC CHIP 1uF 16V C32 1 164 346 11 CERAMIC CHIP 1uF 16V C52 1 162 995 11 CERAMIC CHIP 0 022uF 50V C53 1 162 995 11 CERAMIC CHIP 0 022uF 50V C55 1 162 995 11 CERAMIC CHIP 0 022uF 50V C100 1 124 635 00 ELECT 220uF 20 ...

Page 19: ...ERAMIC CHIP 0 47uF 10 16V C603 1 126 246 11 ELECT CHIP 220uF 20 4V C604 1 164 505 11 CERAMIC CHIP 2 2uF 16V C605 1 164 344 11 CERAMIC CHIP 0 068uF 10 25V C606 1 164 344 11 CERAMIC CHIP 0 068uF 10 25V C607 1 115 467 11 CERAMIC CHIP 0 22uF 10 10V C608 1 165 176 11 CERAMIC CHIP 0 047uF 10 16V C609 1 162 638 11 CERAMIC CHIP 1uF 16V C610 1 162 638 11 CERAMIC CHIP 1uF 16V C612 1 164 156 11 CERAMIC CHIP ...

Page 20: ...11 METAL CHIP 10 5 1 16W R112 1 216 845 11 METAL CHIP 100K 5 1 16W R139 1 216 833 11 METAL CHIP 10K 5 1 16W R141 1 216 825 11 METAL CHIP 2 2K 5 1 16W R142 1 216 833 11 METAL CHIP 10K 5 1 16W R143 1 216 849 11 METAL CHIP 220K 5 1 16W R144 1 216 833 11 METAL CHIP 10K 5 1 16W R145 1 216 833 11 METAL CHIP 10K 5 1 16W R146 1 216 845 11 METAL CHIP 100K 5 1 16W R149 1 216 817 11 METAL CHIP 470 5 1 16W R1...

Page 21: ... PUSH TAPE POWER SW S303 1 762 541 11 SWITCH SLIDE REC PB S305 1 572 922 11 SWITCH SLIDE AVLS S306 1 692 901 11 SWITCH SLIDE MEGA BASS S307 1 762 079 11 SWITCH SLIDE ISS S308 1 572 922 11 SWITCH SLIDE PAUSE S310 1 572 922 11 SWITCH SLIDE PB EQ TRANSFORMER T1 1 404 949 31 TRANSFORMER IF AM IF T351 1 427 653 21 TRANSFORMER BIAS OSCILLATION THERMISTOR TH601 1 810 794 11 THERMISTOR POSITIVE VIBRATOR X...

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