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Sony Walkman WM-FX193, Service Manual

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Sony Walkman WM-FX193 Service Manual Download Page 8

– 8 –

[MAIN BOARD]  (Conductor side)

[MAIN BOARD]  (Component side)

CT4 : AM Frequency 
        Coverage Adjustment

CT3 : FM Frequency Coverage Adjustment

L3: FM Frequency Coverage Adjustment 

L4 : AM Frequency Coverage Adjustment 

T1 : AM IF Adjustment

CT1 : AM Tracking Adjustment

CT2 : FM Tracking Adjustment

L1 : AM Tracking Adjustment

L2 : FM Tracking Adjustment

Adjustment Location :

Summary of Contents for Walkman WM-FX193

Page 1: ...requirement 3 V DC batteries R6 AA x 2 Dimensions 89 1 x 117 7 x 35 5 mm w h d incl projecting parts and controls Mass Approx 140 g Approx 220 g incl batteries and a cassette Supplied accessories Stereo headphones or Stereo earphones 1 Belt clip 1 Design and specifications are subject to change without notice Battery life approximate hours EIAJ Sony alkaline LR6 SG Sony R6P SR playback 25 7 5 radi...

Page 2: ...CTRICAL PARTS LIST 21 Flexible Circuit 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 ...

Page 3: ...lowing procedure Main board Cabinet rear sub ASSY Holder sub ASSY Cassette Mechanism deck Belt Capstan reel moter M901 Set 1 Screws B1 7x9 3 Claws 4 2 6 Claws Holder sub ASSY Cassette Cabinet front Cabinet rear sub ASSY 3 Claws 3 Claws 5 Claw 4 Claws 4 Claw 5 Claw 5 Claw 1 Screw WH1 4 3 Claws 2 Remove solder 4 Head flexible board Red White Orange Black Cabinet front Main board ...

Page 4: ...ECK 2 4 BELT CAPSTAN REEL MOTOR M901 2 Mechanism deck 1 Insert the precision screwdriver 1 4 mm flat blabe in to the slit and release two claws Cabinet front Mechanism deck 2 Screws M1 4 3 Capstan reel motor M901 1 Belt ...

Page 5: ... sub ASSY Cassette Cabinet front 5 4 1 3 2 Spring torsion Hinge Hinge Dial indicator 2 5 HOLDER SUB ASSY CASSETTE z CAUTIONS DURING ASSEMBLY 1 Insert the dial indicator to the square hole of the cabinet front and align to the pointer 2 Insert the spring torsion in to the L shape slot as shown in the figure 3 4 Insert the hinge of the Holder sub ASSY Cassette 5 Close the Holder sub ASSY Cassette th...

Page 6: ...TRICAL ADJUSTMENTS PRECAUTION Supplied voltage 2 5V Switch and control position MEGA BASS switch OFF FX195 VOLUME control maximum AVLS switch NORM Test Tape Type Signal Used for WS 48A 3kHz 0dB Tape Speed Adjustment Tape Speed Adjustment Procedure 1 Playback WS 48A tape center part and adjust RV601 so that the frequency counter reading becomes 3 000Hz Standard value 2 985 3 015Hz 2 Playback WS 48A...

Page 7: ... 505kHz 516 5kHz CT4 1 690kHz 1 770kHz 1 631 5kHz AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L1 620kHz CT1 1 400kHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L3 86MHz 87 35MHz CT3 109 5MHz 108 25MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L2 86MHz 87 35MHz CT2 109 5MHz 108 25MHz C12 TP339 TP338 FB101 FB301 JR5 JR...

Page 8: ...Coverage Adjustment CT3 FM Frequency Coverage Adjustment L3 FM Frequency Coverage Adjustment L4 AM Frequency Coverage Adjustment T1 AM IF Adjustment CT1 AM Tracking Adjustment CT2 FM Tracking Adjustment L1 AM Tracking Adjustment L2 FM Tracking Adjustment Adjustment Location ...

Page 9: ...DIAGRAM Signal path F FM f AM E PB SECTION 4 DIAGRAMS Abbreviation CND Canadian EA Saudi Arabia CH Chinese E Indication of country of origin E9 No Indication of country of origin CEV Ukrine Hungary Czech E5 E6 South America FR French ...

Page 10: ... C309 C307 IC301 C9 JR329 R2 JR372 R320 JR5 C28 C3 FX193 US CND TP320 R9 C6 C7 C8 JR370 C4 C13 R6 C21 C314 C18 C19 JR2 IC1 C608 L5 JR3 FB201 JR213 C10 JR214 C2 R307 C22 C16 JR334 JR335 C5 JR4 JR401 C14 JR212 JR367 JR1 D120 R8 JR211 TP1 TP222 JR302 JR371 JR369 TP223 JR303 C315 TP3 JR305 C26 JR201 TP11 TP10 TP4 TP5 TP12 TP209 TP211 Q302 R7 R10 R321 JR304 TP232 TP635 TP634 TP230 TP319 TP636 TP233 TP2...

Page 11: ...onent U B Line Power voltage is dc 3V and fed with regulated dc power supply from external power voltage jack J301 no mark FM AM TAPE PLAY Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F FM E PB Abbreviation CND Canadian EA Saudi Arabia CH Chinese E Indication of country of origin E9 No Indication of country of ...

Page 12: ... LID BATTERY CASE 6 A 3021 289 A MAINBOARD COMPLETE FX195 E E9 CH 6 A 3021 290 A MAINBOARD COMPLETE FX193 E E9 CH 6 A 3021 291 A MAINBOARD COMPLETE FX193 EA 6 A 3021 292 A MAINBOARD COMPLETE FX193 E5 E6 6 A 3021 293 A MAINBOARD COMPLETE FX193 US CND 6 A 3021 294 A MAINBOARD COMPLETE FX193 AEP CEV 6 A 3021 295 A MAINBOARD COMPLETE FX193 FR 6 A 3021 296 A MAINBOARD COMPLETE FX193 Italian 6 A 3021 29...

Page 13: ...W M1 4 SPECIAL HEAD 53 3 921 042 01 GEAR REEL 54 3 703 816 73 SCREW M1 4 SPECIAL HEAD 55 X 3369 749 1 PINCH LEVER N ASSY 5 2 MECHANISM SECTION 1 MF WMFX195 114 56 3 920 996 01 SPRING PINCH N HP901 1 500 641 11 HEAD MAGNETIC PLAYBACK M901 1 763 073 11 MOTOR CAPSTAN REEL INCLUDING PULLEY 54 53 55 56 52 51 M901 HP901 ...

Page 14: ...P 108 3 938 613 01 LEVER OW DETECTION 109 3 728 091 01 WASHER STOPPER 110 3 923 530 01 SLEEVE M 111 3 921 335 01 WASHER LEVER 112 3 920 990 01 SPRING UD COMPRESSION 113 3 921 050 01 GEAR B 114 X 3372 619 1 WHEEL ASSY P CAPSTAN 115 3 921 043 11 GEAR D 116 3 036 664 11 SPRING FR LEVER OWN 117 X 3377 890 1 CHASSIS ASSY GL 02C 118 3 016 989 01 SPRING SW CP 5 3 MECHANISM SECTION 2 MF WMFX195 114 105 10...

Page 15: ...PF 0 5PF 50V C6 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C7 1 165 128 11 CERAMIC CHIP 0 22uF 0 16V C8 1 164 360 11 CERAMIC CHIP 0 1uF 16V C9 1 115 156 11 CERAMIC CHIP 1uF 0 10V C10 1 164 360 11 CERAMIC CHIP 0 1uF 16V C11 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C12 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C13 1 163 091 00 CERAMIC CHIP 8PF 0 25PF 50V EXCEPT Italian EA C13 1 163 217 11 CERAMIC CHIP 1...

Page 16: ...D TYPE DC IN 3V E E9 CH EA J302 1 565 287 11 JACK i JUMPER RESISTOR JR1 1 216 864 11 METAL CHIP 0 5 1 16W EXCEPT US CND E5 E6 JR2 1 216 864 11 METAL CHIP 0 5 1 16W EXCEPT US CND E5 E6 JR3 1 216 821 11 METAL CHIP 1K 5 1 16W EXCEPT US CND E5 E6 JR4 1 216 864 11 METAL CHIP 0 5 1 16W US CND E5 E6 JR5 1 216 864 11 METAL CHIP 0 5 1 16W US CND E5 E6 JR201 1 216 295 00 METAL CHIP 0 5 1 10W JR211 1 216 295...

Page 17: ...AL CHIP 2 2K 5 1 16W R7 1 216 815 11 METAL CHIP 330 5 1 16W R8 1 216 797 11 METAL CHIP 10 5 1 16W R9 1 216 815 11 METAL CHIP 330 5 1 16W R10 1 216 827 11 RES CHIP 3 3K 5 1 16W FX193 US CND R21 1 216 829 11 METAL CHIP 4 7K 5 1 16W R22 1 216 829 11 METAL CHIP 4 7K 5 1 16W R101 1 216 821 11 METAL CHIP 1K 5 1 16W R103 1 216 855 11 METAL CHIP 680K 5 1 16W R104 1 216 839 11 METAL CHIP 33K 5 1 16W R106 1...

Page 18: ...ER ASSY CERAMIC MISCELLANEOUS HP901 1 500 641 11 HEAD MAGNETIC PLAYBACK L1 1 754 084 11 ANTENNA FERRITE ROD AM TRACKING M901 1 763 073 11 MOTOR CAPSTAN REEL ACCESSORIES PACKING MATERIALS 1 505 521 11 HEADPHONE MDR 023 FX193 US CND AEP Italian FR CEV FX195 CND 3 020 998 01 CLIP BELT 3 867 998 11 MANUAL INSTRUCTION AEP Italian FR ENGLISH FRENCH SPANISH PORTUGUESE GERMAN ITALIAN DUTCH SWEDISH FINNISH...

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