LG 42LV4400 - TV Side Audio Issues

CONFIDENTIAL – DO NOT COPY
Page 9-7
File No. SG-0000034
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(TV_SIDE, AUDIO) IS NOT DISPLAY CORRECTLY
Start
Input signal good?
1. Check Audio source
2. Check the player of source
Input correct?
1. Check signal of Main Board
2. Check amplifier (U51)
Check amplifier OK?
END
Check signal correct?
1. Check MT5387 audio out ,R838
& R839
1. Check 12V of U51
.