LG GCC-4242N Service Manual page 50

Sled Motor Servo is abnormal.
Pick up doesn't move to inner
position
Is Control signal normal?
TL349, TL350.
NG
Is Control signal normal?
R232,R233 of IC201
NG
1) Check +3.3V & +5V.
2) Check soldering of
IC201.
OK
Replace IC201.
sled control signal when closed a tray from the
pick-up outter.
52
1) Check
OK
soldering PG301.
2) Check insertion and damage
of Main FPC.
OK
Check LPF (R232, R233, C260,
C261).
OK
Replace Unit Mecha and Execute
LD Calibration.
sled control signal when closed a tray from the
pick-up inner.