LG GCC-4241N Service Manual page 49

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