Read Sony CDP-CE525 / CDP-CE535 Service Manual online
– 14 –
7. 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%
Confirm the following :
A/B x 100 = less than ± 22%
Traverse waveform
8. Press the
8 button. (The tracking servo and sledding servo are
turned ON.) Confirm the C (DC voltage) is almost equal to the
A (DC voltage) is step 7.
A (DC voltage) is step 7.
Traverse waveform
9. Disconnect the lead wire of TP1 (ADJ) connected in step 1.
Adjustment Location :
[BD BOARD] – SIDE A –
0V
level : 1.3 mVp-p
A (DC voltage)
Center of the waveform
B
+ 0.7
– 0.6
– 0.6
0V
C (DC
voltage)
voltage)
Tracking servo
Sledding servo
OFF
Sledding servo
OFF
Tracking servo
Sledding servo
ON
Sledding servo
ON
CN102
IC101
TP(FEI)
TP(VC)
TP(IOP)
TP(RF)
TP(TE)
TP(FE)
TP
(R151)
CN402
IC302
TP1
(ADJ)
TP2
(AFADJ)
[MAIN BOARD] – CONDUCTOR SIDE –
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