LG LH-T7652SB Service Manual page 31

B
Motor
Driver DRV_MUTE
pin is High?
Motor
Driver DRV_MUTE
pin is High?
SLED+ and
SLED- output
properly?
3-4
Check the connection line of
DRV_MUTE
Check the related circuit of
SLEGN
Check Focus connection on
ES8381 and motor driver.