LG S75A1-D - Hdmi

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ELECTRICAL TROUBLESHOOTING GUIDE
7. HDMI
‘HDMI IN’ should be displayed, when HDMI cable to HDMI IN is connected well.
If there is no sound,
even though all of above things are OK.
Check HDMI OUT cable. Check MPEG (IC501).
Replace IC306.
Check AMP.
NO
NO
Check power.
L800 should be 5 V.
Pin1 of IC306
should be 5.3 V.
YES
YES