LG HT552TH Service Manual page 32

Dvd/cd receiver
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B
Motor
Driver DRV_MUTE
pin is High?
Motor
Driver DRV_MUTE
pin is High?
SLED+ and
SLED- output
properly?
3-5
Check the connection line of
DRV_MUTE
Check the related circuit of
SLEGN
Check Focus connection on
ES8381 and motor driver.

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