-13-
ELECTRICAL ADJUSTMENT-1/3
< TUNER SECTION >
1. AM IF Adjustment
Test point: IC101 (TDA1083) 8PIN
Adjustment location: T103, T104
T103, T104 .......................................... 455KHz (LH MODEL)
T103, T104 ........................................... 460KHz (EZ MODEL)
2. AM Frequency Range Adjustment
Test point: IC101 (TDA1083) 8PIN
Adjustment location: T106, VC1D
T106 ............................................................................. 515KHz
VC1D ......................................................................... 1635KHz
Test point: IC101 (TDA1083) 8PIN
Adjustment location: L105, VC1C
L105 .................................................... 600KHz waveform max
VC1C ................................................. 1400KHz waveform max
4. FM IF Adjustment
Test point: IC101 (TDA1083) 8PIN
Adjustment location: T101, T102, T105
T101, T102, T105 ...................................................... 10.7MHz
5. FM Frequency Range Adjustment
Test point: IC101 (TDA1083) 8PIN
Adjustment location: L104, VC1B
L104 ................................................... 87.4MHz (EZ MODEL)
L104 ...................................................... 87MHz (LH MODEL)
VC1B ................................................ 108.3MHz (EZ MODEL)
VC1B ................................................... 109MHz (LH MODEL)
6. FM Tracking Adjustment
Test point: IC101 (TDA1083) 8PIN
Adjustment location: L102, VC1A
L102 ..................................................... 88MHz waveform max
VC1A ................................................. 108MHz waveform max
A530 EZ, LH MODEL
L105
NW COIL
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L104
L102
T104
T105
T103
IC101
T102
T106
T101
VC1
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8
test point
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