Mechanical Alignment; Photo Interruptor Position Adjustment - Sony LDP-1500P Service Manual

SECTION 3
MECHANICAL ALIGNMENT
Fixture Required
Reference Disc (D1); J-6160-700-A
3-1. PHOTO INTERRUPTOR POSITION
ADJUSTMENT
1. Insert the reference disc.
2. Turn on the POWER switch and press the OPEN/CLOSE
button and th.en perform loading.
3. After the chucking, turn off the POWER switch.
joint
photo
A
4. Adjust the position of DUS-130 board in the direction shown
by the arrow in Fig. 3-1 so that the space A meets 1 to 1.5 mm.
interrupter----+--
:r::'.!t~.t====::!~~~.::;-
1-1.5mm
5. Tighten the fixing screw.
6. Perform loading with the reference disc, and confirm that there
is no worse.
Note: When the disc is not chucking normally, the centering guide
on the spindle motor may not be operated. Following check
is required.
When pressing the centering guide with the finger, confirm that the
centering guide is lowered smoothly. If centering guide is not
lowered smoothly, lubricate the shaft
@
portion in Fig. 3-2 with
an extremely small amount of grease.
3-1
fixing
screw
Fig. 3-1
shaft
Fig. 3-2
DUS-130
board
centering
guide