LG XH-T3029S Service Manual page 31

B
Does the SLED
move to inner side when it is
at outer position?
Yes
Do not put in disc and close
tray.
Optical Lens
has movements for
searching Focus?
Yes
C
LGE Internal Use Only
Motor
No
Driver DRV_MUTE
pin is high?
Yes
Motor
Driver DRV_MUTE
pin is High?
Yes
SLED+ and
SLED- output
properly?
Yes
Check the cable connection
with MECHA.
Proper Focus outputs
to motor dricer?
Yes
Proper F+ & F- outputs?
Yes
Check cable connection with
pick-up head.
No
Check the connection line of
DRV_MUTE.
No
Check the related circuit of SLEGN.
No
Check the amp circuit on motor driver.
No
Check Focus connection on
ES8380 and motor driver.
No
Check the amp circuit on motor driver.
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