Electrical Adjustments - Sony MXD-D4 Service Manual

MD SECTION
Note: MD always plays double speed.
1. PARTS REPLACEMENT AND ADJUSTMENT
If malfunctions caused by Optical pick-up such as sound skipping are suspected, follow the following check.
Check before replacement
6-2.
Laser Power Check
6-3.
6-4.
Other faults are suspected.
Check the mechanism
(sled motor, etc).
32

ELECTRICAL ADJUSTMENTS

Start
NG
(See page 35)
OK
NG
Iop Compare
(See page 35)
OK
NG
Auto Check
(See page 36)
OK
SECTION 5
Replace optical pick-up or MDM-74X2A