– 13 –
6. Remove the lead wire connected in step1.
Focus/Tracking Gain Adjustment (RV102, RV103)
This gain has a margin, so even if it is slightly off. There is no prob-
lem.
Therefore, do not perform, this adjustment.
Please note that it should be fixed to mechanical center position
when you moved and do not know original position.
Adjustment Location:
[BD BOARD] — Component side —
FOK
RF
RV101
RV103
RV102
TE1
FEO
TEO
VC
FE1
GND
IC104
IC102
IC101
[MAIN BOARD] — Conductor side —
1
4
51011
15
23
20
IC101
IC301
SEP (W)
: FM Stereo Separation
Adjustment
AM TUN (W)
: AM Tuned Level
FM TUN (W)
: FM Tuned Level
Adjustment
Adjustment
TB101
A
B
0 V
specified value:
level: 300
±
100 mVp-p
×
100 = less than
±
7%
A-B
2 (A+B)
•
•
A+B = 300
±
100 mVp-p
Traverse waveform
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
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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