Digital / Analog Tv Video; Av Video - LG 55LF6000 Service Manual

2. Digital / Analog TV Video

Check RF Cable & Signal
ok
Check Tuner 3.3V Power
L1600
ok
Check IF_P/N Signal
TU1601 6/7 Pin
ok
Check Mstar LVDS Output

3. AV Video

Check input signal f ormat.
Is it supported?
Check AV Cable f or damage
f or damage or open conductor
Check JK1702, CVBS Signal Line
R237
Check CVBS_DET Signal
R1713
Check Mstar LVDS Output
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Only for training and service purposes
ok
ok
ok
ok
No
Replace L1600 or Tuner
No
Bad Tuner. Replace Tuner.
No
Replace Mstar(IC101) or Main Board.
No
Replace Jack
No
Replace R1713 or R1710
No
Replace Mstar(IC101) or Main Board.
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LGE Internal Use Only