Read LG 26LV2500-DA (CHASSIS:LT01T) Service Manual online
2. Digital TV Video
Check RF Cable & Signal
Check Tuner No 14 pin
(3.3V Power)
Check Tuner No 13 pin
(1.2V Power )
Check IF_P/N Signal
TU5001 17/18 Pin
Check Tuner No.3 pin
(5V Power)
Check IC406
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board.
ok
ok
ok
ok
ok
No
No
No
No
No
Replace IC406
No
Bad Tuner. Replace Tuner.
Replace Tuner
ok
Check IC405
Replace IC405
No
Replace Tuner
ok
Check IC3703
Replace IC3703
No
Replace Tuner
ok
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