Sony Walkman WM-FX251, Service Manual

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Page 17: ...60 11 BELT 167 3 014 709 01 SPRING FR LEVER OW 168 X 3372 959 1 CHASSIS COMP ASSY GL O Ref No Part No Description Remark 22 indicates corrected portion Sony Corporation Personal A V Products Company 97L0590 1 Printed in Japan 1997 12 Published by Quality Engineering Dept Shibaura 9 923 168 91 101 3 938 627 11 BELT 167 3 933 324 01 SPRING FR LEVER 168 X 3371 589 1 CHASSIS ASSY 23 RPC 97011 ...

Page 18: ...ce of the set concerned requires the motor to be replaced make sure the shape of motor following the identification method shown below then replace it with the same type motor Ref No Part No Description Remark clamp screw hole clamp screw hole clamp screw hole clamp screw hole FORMER NEW Ref No Part No Description Remark M901 1 698 839 11 MOTOR CAPSTAN REEL Sony Corporation Personal A V Products C...

Page 19: ... ADJUSTMENT Adjust for a 9 0 14 5 0 5 Vdc reading on digital voltmeter L3 108 MHz 0 5 0 FM Tuning Voltage Adjustment digital voltmeter MAIN board VT GND FM TUNING VOLTAGE ADJUSTMENT Adjust for a 9 0 9 2 Vdc reading on digital voltmeter L3 108 MHz AM Tuning Voltage Adjustment AM TUNING VOLTAGE ADJUSTMENT Adjust for a 1 4 0 1 Vdc reading on digital voltmeter L4 530 531 kHz Except US Canadian model d...

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Page 22: ...with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark FM AM TAPE PLAYBACK Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Ci...

Page 23: ...0 TX D301 8 719 049 09 DIODE 1SS367 T3SONY D302 8 719 801 78 DIODE 1SS184 D303 8 719 801 78 DIODE 1SS184 D401 8 719 801 78 DIODE 1SS184 E MX 9E D402 8 719 801 78 DIODE 1SS184 AEP 2CE7 IT IC IC1 8 759 493 20 IC TA2111F EL IC301 8 759 285 29 IC LA4582CM IC401 8 759 459 71 IC uPD17015GS 545 GJG E1 IC601 8 759 447 73 IC LB1979V TLM JACK J301 1 565 287 11 JACK 2 J302 1 750 061 11 JACK DC POLARITY UNIFI...