Read LG 37LT760H (CHASSIS:LD2FF) Service Manual online
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3. Analog RF Video Trouble Shooting guide
Check RF cable & signal.
Check tuner 3.3V power L6502.
Check tuner 5V power R6513.
Check MTK LVDS output.
Check TU6500 Pin8.
(Video output)
Check tuner 1.8V power IC6501
2pin : 1.8V
Replace L6502
Check IC2404.
Replace IC105.
Replace Tuner..
Replace IC6501.
Replace IC2404.
N
N
N
N
N
Y
Y
Y
Y
Y
N
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