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Only for training and service purposes
LGE Internal Use Only
2-7
NO
NO
Check the connection line of
DRV_MUTE.
YES
YES
YES
Check the cable connection
with MECHA.
Do not put in disc
and close tray.
YES
YES
YES
Motor
Driver DRV_MUTE
pin is high?
NO
Check the related circuit of
SLEGN.
Motor
Driver DRV_MUTE
pin is High?
NO
Check the amp circuit on
motor driver.
SLED+ and
SLED- output
properly?
Does
the SLED move to inner
side when it is at outer
position?
NO
NO
Check Focus connection on
MT1389/L and motor driver.
Check cable connection with
pick-up head.
YES
YES
Proper Focus outputs
to motor dricer?
NO
Check the amp circuit on motor
driver.
Proper F+ & F- outputs?
Optical Lens
has movements for
searching Focus?
B
C
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