Sony CDP-CA80ES Service Manual page 18

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6. Check the level B of the oscilliscope's waveform and the A
(DC voltage) of the center of the Traverse waveform.
Confirm the following :
A/B x 100 = less than ± 22%
Traverse waveform
0V
Press the 8 button. (The tracking servo and sledding servo
7.
are turned ON.) Confirm the C (DC voltage) is almost equal to
the A (DC voltage) is step 6.
Traverse waveform
0V
Tracking servo
Sledding servo
OFF
TE
L 13942296513
8. Disconnect the lead wire of TP2 (ADJ) connected in step 2.
Adjustment Location :
[BD BOARD] – SIDE A –
TP(FE1)
TP(TE)
TP(FE2)
TP(RF)
TP(VC)
www
TP(IOP)
CN102
.
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Center of the waveform
B
A (DC voltage)
+ 0.7
level : 1.3 mVp-p
– 0.6
C (DC
voltage)
Tracking servo
Sledding servo
ON
IC101
x ao
y
i
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8
Q Q
3 6 7 1 3
[MAIN BOARD] – CONDUCTOR SIDE –
IC501
(ADJ)
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
R544
TP2
TP1
m
(AFADJ)
co
9 9
2 8 9 9