LG 50PG30 Service Manual page 39

HDMI Audio Trouble Shooting
Check EDID NVRAM (IC801, 802, 804)
Power & I2C Signal (#5, #6)
Follow procedure All source audio trouble
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Only for training and service purposes
TROUBLE SHOOTING GUIDE
Check video output
Y
Y
shooting
N Follow procedure HDMI video trouble
shooting
N
Replace it or re-download
N Maybe Mstar audio block has problems.
Replace it
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