-19-
ELECTRICAL ADJUSTMENT-1/1
< TUNER SECTION >
1. AM IF Adjustment
L007 ....................................................................... 450kHz
2. AM VT Adjustment
Settings:
• Test point: C39
+
• Adjustment location: L004
Method:
Set to AM 1000kHz adjust L004 so that the test
point becomes 3.7V±0.02V
3. AM Tracking Adjustment
L003 ....................................................................... 600kHz
TC001, L007 ........................................................ 1400kHz
4. FM VT Adjustment
Settings:
• Test point: C39
+
• Adjustment location: L006
Method:
Set to FM 108MHz adjust L006 so that the test
point becomes 6.0V±0.2V
5. FM Tracking Adjustment
L005 ........................................................................ 98MHz
< TAPE SECTION >
6. Bias frequency Adjustment
L801 ............................................................. 85Hz ±500Hz
7. Tape speed Adjustment
Settings:
• Test tape: TTA-100
• Test point: PHONES JACK (J251)
• Adjustment location: SFR of deck motor
Method:
Play back the test tape and adjust so that the
output frequency is 3000Hz ±30Hz.
8. Azimuth Adjustment
Settings:
• Test tape: TTA-320
• Test point: PHONES JACK (J251)
• Adjustment location:Azimuth adjustment
screw
Method:
Play back the test tape and adjust so that the
output is maximum.
L801
13
2
4
3
5
24
L004
L006
TC001
L005
IC001
L007
C39
TU C.B
L003
(BAR-ANT)
3
78
J251
6
7
M1
(DECK MOTOR)
8
TAPE C.B
HP C.B
+
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