ELECTRICAL ADJUSTMENT
TUNER C.BTUNER C.B
IFT101
TC102
TC101
L104
TP18
L102
TP12
1. AM VT Adjustment4. FM RF Adjustment
Setting : Y Test point : TP18Setting : Y Test point : TP12
Method : Set to AM 531kHz, and check the voltage 1.1 ? L102 . . . . . . . . . . . . . . . . . 87.5MHz
0.02V, and set to AM 1602kHz and check
voltage 7.2? 0.075V.5. AM IF Adjustment
Setting : Y Test point : TP12
2. FM VT Adjustment IFT101 . . . . . . . . . . . . . . . 1440kHz
Setting : Y Test point : TP18
Y Method : L1046. FM IF Adjustment
Method : Set to FM 87.5MHz, and check the voltage 2.3Setting : Y Test point : TP12
? 0.2V, and set to FM 108.0kHz and check TC101 . . . . . . . . . . . . . . . . 10.7MHz
voltage 4.1? 0.2V.
3. AM RF Adjustment
Setting : Y Test point : TP12
L112(BAR COIL) . . . . . . . 603kHz
TC102 . . . . . . . . . . . . . . . . 1440kHz |