Ld Side B Adjustment - Sony MDP-V10 Service Manual

7-6-2. LD Side B Adjustment

1 Loosen the side B RD screw and TAN screw (hexagonal screw
2.6) on the feed base.
2 Put the LD alignment disc (HLV-8) in with the CAV side to the
side B, playback it and pause at the chapter 3 (#2201).
3 Turn off the SLED and TRACKING, and adjust inserting an
eccentric screwdriver to B RD adjustment hole so that the
Lissagous waveform meets standard.
Jig terminal : E, F
Mode : TRACKING, SLED OFF
Oscilloscope : X/Y Lissagous range
(Each 20 mV/div.)
Phase difference : 1 : 3 or more
Fig. 7-10.
4 Connect an oscilloscope to LD RF terminal on the MD adjust-
ment cable and adjust RV702 so that the RF waveform goes
maximum in the state the TRACKING and SLED are on.
Fig. 7-11.
5 Insert an eccentric screwdriver to B TAN adjustment hole and
adjust the RF waveform goes maximum similarly to the step 4.
6 Play #770 and pause.
At this time in the same manner as the side A, check that the
vertical bar appears on TV monitor and right and left crosstalks
(moire) are the same level and maximum.
7 Take out the disc to tighten B TAN and RD screw.
Maximum
7-5
B RD adjustment hole
RD spare screw
RD screw
TAN spare screw
TAN screw
Fig. 7-12.
B TAN
adjustment
hole