-19-
< TUNER SECTION >
1. AM IF Adjustment
L007 ....................................................................... 530kHz
2. AM VT Adjustment
Settings:
• Test point: C39
+
• Adjustment location: L004
Method:
Set to AM 1710kHz adjust L004 so that the test
point becomes 5.5V±0.05V
3. AM Tracking Adjustment
L003 ....................................................................... 600kHz
TC001 ................................................................... 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±0.05V
5. FM Tracking Adjustment
L005 ........................................................................ 98MHz
< TAPE SECTION >
6. Bias frequency Adjustment
L330 ............................................................. 56kHz ±2kHz
7. Tape speed Adjustment
Settings:
• Test tape: MT111
• Test point: PHONES JACK (J251)
• Adjustment location: SFR761
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 8kHz signal of the test tape and
adjust screw so that the output becomes
maximum.
< CD SECTION >
9. Focus Bias Adjustment
Settings:
• Test CD: TCD-782 (A-BEX)
• Test point: IC401 PIN20, PIN58
• Adjustment location: SFR430
Method:
Play back the #15 of the test CD and adjust
SFR430 so that the voltage between pin20 and
pin 58 of IC401 becomes 0V ±0.1mV.
ELECTRICAL ADJUSTMENT-1/1
L003
3
BAR ANT
FRONT C.B
MAIN C.B
CD C.B
L007
IC001
1
4
2
L005
L006
L004
5
3
9
SFR430
7
SFR761
L330
J251
6
78
24
TC001
C39
RPH/PH
8
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