AIWA FRA270 Repair Manual

ELECTRICAL ADJUSTMENT-1/2 (A275 MODEL)
MAIN C.B (PARTS SIDE) 1
T3
L6TP3
SP+
2Test point TP3
SP-
L3
2TC4
TC3
3TC1R8T2
TC2C34
TP2
6
Input point TP2
L2
TP1
L5
Input point TP1
C1
ANT1
543
< TUNER SECTION >
1. AM IF Adjustment5. FM Frequency Range Adjustment
Settings: Y Test point TP3Settings: Y Input point TP1
Y Adjustment location: T3Y Test point TP3
T3 ................................................................................Y Adjustment location: TC3, L3450kHz
TC3................................ 109MHz (EXCEPT EZHC MODEL)
2. AM Frequency Range AdjustmentTC3.............................................. 108.3MHz (EZHC MODEL)
Settings: Y Test point TP3L3 ................................... 87MHz (EXCEPT EZHC MODEL)
Y Adjustment location: L6, TC4L3 .................................................87.4MHz (EZHC MODEL)
TC4 .................................. 1635kHz (EXCEPT UHC MODEL)
TC4 ..................................................6. FM Tracking Adjustment1750kHz (UHC MODEL)
L6 ................................................................................Settings: Y Input point TP1515kHz
Y Test point TP3
3. AM Tracking AdjustmentY Adjustment location: TC2, L2
Settings: Y Test point TP3TC2.............................................................................. 106MHz
Y Adjustment location: TC1, L5L2 ................................................................................ 90 MHz
TC1 .................................. 1400kHz (EXCEPT UHC MODEL)
TC1 .................................................. 1500kHz (UHC MODEL)
L5 ................................................................................ 600kHz
4. FM IF Adjustment
Settings: Y Input point TP2
Y Test point TP3
Y Adjustment location: T2
T2 .............................................................................. 10.7MHz
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