HCD-W55, MHC-W55, MHC-W77AV - Sony Audio Service Manual (repair manual). Page 10

Read Sony HCD-W55 / MHC-W55 / MHC-W77AV Service Manual online

– 10 –
2 (A+B)
A–B
X100 = less than 
±
7%
r
r
A+B = 300 
±
100mVp-p
Traverse waveform
level : 300 
±
100mVp-p
A
B
[BD BOARD]  – Conductor side –
FEI
FEO
PCK
GND
VC
RV101
RF
FOK
RV102
IC104
TEI
TEO
RV103
IC102
IC101
0V
specified value :
6. 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.
Adjustment Location :
Page of 29
Display

Click on the first or last page to see other HCD-W55 / MHC-W55 / MHC-W77AV service manuals if exist.