Read LG 50PH470U-ZD (CHASSIS:PD32C) Service Manual online
7. HDMI Video Trouble Shooting
Check Signal Format
Is it supported signal?
Is it supported signal?
Y
Check HDMI Cable
Y
N
Check EDID D/L
Re-Download EDID
Check HDMI Jack
JK3301, JK3302, JK3303
JK3301, JK3302, JK3303
N
Y
Replace Jack
Y
Maybe LGE2122 (IC105)
has problems
has problems
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