LG 55G2 - 2. Trouble shooting - No video (Digital TV video)

Check RF Cable & Signal
Check Tuner 3.3V Power
L6503
Replace L6503
Check Tuner 1.8V Power
IC6503 2pin : 1.8V
Check DIF_P/N Signal
TU6500 10/11 Pin
Replace IC6503
Check L9 Ace (IC101) Chip
Replace IC101
ok
ok
ok
ok
No
No
No
No
Bad Tuner. Replace Tuner.
2. Trouble shooting - No video (Digital TV video)
Check L9 D-chip (IC100) Chip
Replace IC100 or Main Board.
No
ok
Check DIF at destination
C116, C117
Bad Capacitor.
Replace Capacitor.
ok
No
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