51
Is Control signal normal?
TL303, TL304.
1) Check
soldering PG101.
2) Check insertion and damage
of Main FPC.
Sled Motor Servo is abnormal.
Pick up doesn’t move to inner
position
NG
Is Control signal normal?
IC201(139,140).
NG
1) Check +3.3V & +5V.
2) Check soldering of
IC201.
OK
Replace Unit Mecha and Execute
LD Calibration.
Check LPF (R232, R233, C260,
C261).
Replace IC201.
OK
OK
OK