-12-
ELECTRICAL ADJUSTMENT-1/2 (A275 MODEL)
< TUNER SECTION >
1. AM IF Adjustment
Settings:
• Test point TP3
• Adjustment location: T3
T3 ................................................................................ 450kHz
2. AM Frequency Range Adjustment
Settings:
• Test point TP3
• Adjustment location: L6, TC4
• Test point TP3
• Adjustment location: TC1, L5
Settings:
• Input point TP2
• Test point TP3
• Adjustment location: T2
T2 .............................................................................. 10.7MHz
5. FM Frequency Range Adjustment
Settings:
• Input point TP1
• Test point TP3
• Adjustment location: TC3, L3
TC3 ................................ 109MHz (EXCEPT EZHC MODEL)
TC3 .............................................. 108.3MHz (EZHC MODEL)
L3 ................................... 87MHz (EXCEPT EZHC MODEL)
L3 ................................................. 87.4MHz (EZHC MODEL)
6. FM Tracking Adjustment
Settings:
• Input point TP1
• Test point TP3
• Adjustment location: TC2, L2
TC2 .............................................................................. 106MHz
L2 ................................................................................ 90 MHz
Test point TP3
TP3
SP+
SP-
3
4
5
6
L5
L3
L6
Input point TP1
Input point TP2
TP2
C34
R8
TC4
TC3
TC2
L2
TC1
2
2
3
TP1
ANT1 C1
T2
T3
1
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TEL 13942296513 QQ 376315150 892498299
