Read Sony CDP-EX77 / CDP-EX770 / DHC-EX77MD / DHC-MD77 / MHC-EX66 Service Manual online
– 15 –
A
B
Traverse waveform
level: 300 ± 100 mVp-p
7. After check, remove the lead wire connected in step 1.
Focus/Tracking Gain Adjustment (RV102, RV103)
This gain has a margin, so even if it is slightly off. There is no
problem.
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.
This gain has a margin, so even if it is slightly off. There is no
problem.
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]
– Side B –
specified value:
2 (A+B)
A-B
×
100 = less than ± 7%
• A+B = 300 ± 100 mVp-p
•
[DISPLAY BOARD]
– Conductor Side –
RF
TEI
FEO
FOK
IC102
PCK
FEI
RV101
RV103
TEO
VC
RV102
IC101
GND
IC104
IC501
TP501
(ADJ)
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