Sony MDP-440 MDP-640D Service Manual page 94

3. LD Cross Talk Batanee Adjustment.
1) TAN cam adjustment (MD)
'The cam is always set to the initial position, When
replacing the optical block and so on, set the cam
te the mechanical center."
Mechanical center =
Marked with the notch of the cam located at the
oppasite side of the optical block chassis shaft.
Adjustment mothod
1) Turn the TAN eam on the bottom (See Mig. 71)
with 4 hexagonal wreach.
Torn with a
hexagonal
wrench
Notch of the cam
Optical black chassis
Shaft of the
optical block
chassis
Fig. 7-7.
2) RAD TILT adjustment (SV-33 board)
[Meoge Stilt
Signal Frame 167 (V BAR) (ReFPi
Measurement Point | Monitor TV
Measuring Equipment | Monitor TV
Adjusting Element | RV105 i
Cross talk (wavering) with
minimum as weil as the
same level,
Specified Value
Adjustment method =
1) Select STILL (4) mode,
2) Search the frame 767 and apply a vertical bar
signal.
2) Adjust sith RVIO5 so that the rigth and left cross
talks (wavering) become minimum as well as the
evel
Cross ttle (wavering)
Adjust so that cross talks appeared on the both sides
'on the moniter display become minimum as well as
the same level,
Fig. 7-8.
2) Focus balance adjustment (SV-23 board)
Mode Sti
Signal Frame 767 (V BAR) iREFI?)
Measurement Point | Monitor TV
Measuring Equipment | Monitor TV
Adjusting Etement_ | RVIC2
Gross talk Cwavering) with
minimum ay well as the
some level.
Specified Value
Adjustment. method
1) Select STILL (4) mode.
2) Search the frame 767 and apply a vertical bar
signal,
3) Adjust with RV102 to
cross talks (wavering? ievel,
ze the right and lett
Cross salle (wavering?
Fig. 7-8.
-130—