LG FB162I Service Manual page 42

B
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
C
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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.
NO
Proper Focus
outputs to motor
driver?
YES
Proper F+&F-
outputs?
YES
Check cable connection
with pick-up head.
NO
NO
Check the related circuit of SLED
NO
Check Focus connection on ES8380
NO
Check the motor driver (IC401).
5-3
Check the MD
and Motor driver IC (IC401)
and motor driver IC.
LGE Internal Use Only