Read LG 50PH670S-ZD (CHASSIS:PD32A) Service Manual online
12. HDMI Audio Trouble Shooting
Check video output
Y
N
Follow procedure HDMI video
trouble shooting
trouble shooting
N
Ch k DDC Li
Replace one R3302, R3303, R3312,
R3313 R3320 R3321
R3313 R3320 R3321
Check EDID Pull-Up Voltage
N
Replace one R3330, R3374, R3315,
R3316, R3311, R3314
R3316, R3311, R3314
Check DDC Line
R3313, R3320, R3321
& Recheck
& Recheck
Y
Follow procedure All source audio
trouble shooting
trouble shooting
N
Y
p
g
Maybe LGE2122 (MTK Main IC,
IC105) audio block has problems.
Replace it
IC105) audio block has problems.
Replace it
,
,
& Recheck
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