LG FB163U Service Manual page 46

A
YES
Does the
SLED move to inner side
when it is at outer
position?
YES
Do not put in disc and
tray close.
YES
Optical
Lens is moving
for searching Focus?
YES
B
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NO
Motor Drive
DRV_MUTE pin
is high?
YES
SLED signal is OK?
YES
Check the cable connection
with MECHA.
Proper
NO
Focus outputs
to motor driver?
YES
Proper F+ & F-outputs?
YES
Check cable connection
with pick-up head.
3-33
YES
Check the MD
YES Check the related circuit of SLED
and Motor driver IC ( IC401)
NO
Check Focus connection on
ES8390 and motor driver IC.
NO
Check the motor driver (IC401).
LGE Internal Use Only