-18-
< TUNER SECTION >
1. AM Freq. Range Adjustment
L006 ............................................................................. 517kHz
TC003 ......................................................................... 1750kHz
2. AM Tracking Adjustment
L003 ............................................................................. 600kHz
TC004 ......................................................................... 1400kHz
3. AM IF Adjustment
Settings:
• Test point: IC001 (L1828) 19PIN
• Adjustment location: L007
Method:
Adjust L007 so that the output level at 1000kHz
becomes maximum.
4. FM Freq. Range Adjustment
L005 ........................................................................... 87.0MHz
TC001 ....................................................................... 109.0MHz
5. FM Tracking Adjustment
L004 ........................................................................... 90.0MHz
TC002 ....................................................................... 108.0MHz
6. FM IF Adjustment
Settings:
• Test point: IC001 (L1828) 19PIN
• Adjustment location: L008
Method:
Adjust L008 so that the output level at 98.0MHz
becomes balanced.
7. FM Balance Adjustment
Settings:
• Test point: IC001 (L1828) 19PIN
• Adjustment location: L009
Method:
Adjust L009 so that the output level at 98.0MHz
becomes balanced.
< TAPE SECTION >
8. Tape speed Adjustment
Settings:
• Test tape: TTA-100
• Test point: J251 (PHONES jack)
• Adjustment location: SFR761
Method:
Play back the test tape and adjust SFR761 so that the
frequency counter reads 3000Hz ±5Hz.
9. Head Azimuth Adjustment
Settings:
• Test tape: TTA-320
• Test point: J251 (PHONES jack)
• Adjustment location: Azimuth adjustment screw.
Method:
Play back the 8kHz signal of the test tape and adjust
screw so that the output becomes maximum.
10. Bias frequency Adjustment
L330 .................................................................... 56kHz ±2kHz
ELECTRICAL ADJUSTMENT-1/1
L009
6
L007
L008
L005
L006
L003
L004
IC001
19
TC3
TC4
TC2
TC1
5
3
7
4
2
2
1
L330
0
SFR761
8
9
8
J251
PHONES
FRONT C.B
MAIN C.B
CD C.B
9
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
