ELECTRICAL ADJUSTMENTPRACTICAL SERVICE FIGURE
1. LW IF Adjustment<LW SECTION>
Setting : Y Test point : TP1, 2(IN), TP8, 9(OUT)SensitivityLess than 60 dB (150 kHz)
T2 . . . . . . . . . . . . . . . . . . . . . 450 kHz(S/N 10dB)Less than 58 dB (200/285 kHz)
S/N (Input 70dB)Less than 15 dB (150/200/285 kHz)
2. FM IF AdjustmentDistortionLess than 3 % (1000 kHz)
Setting : Y Test point : TP2, 3(IN), TP8, 9(OUT)Intermediate frequency 450kHz
IT1 . . . . . . . . . . . . . . . . . . . . 10.7 MHz
<FM SECTION>
3. LW FREQ, RANGE AdjustmentSensitivity (3% dist.) Less than 20 dB (88/98/108 MHz)
Setting : Y Test point : L1(IN), TP6, 7, 8, 9(OUT)Distortion (at 60dB)Less than 2% (98MHz)
L4 . . . . . . . . . . . . . . . . . . . . . 145 kHzIntermediate frequency 10.7MHz
TC4 . . . . . . . . . . . . . . . . . . . . 295 kHz
4. LW Tracking Adjustment
Setting : Y Test point : L1(IN), TP6, 7(OUT)
L1 . . . . . . . . . . . . . . . . . . . . . 150 kHz
TC1 . . . . . . . . . . . . . . . . . . . . 285 kHz
5. FM FREQ, RANGE Adjustment
Setting : Y Test point : TP4, 5(IN), TP6, 7, 8, 9(OUT)
L3 . . . . . . . . . . . . . . . . . . . . 87.4 MHz
TC3 . . . . . . . . . . . . . . . . . . 108.3 MHz
6. FM Tracking Adjustment
Setting : Y Test point : TP4, 5(IN), TP6, 7(OUT)
TC2 . . . . . . . . . . . . . . . . . . . 106 MHz
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ACEC
