Read LG 55LE4500 (CHASSIS:LT01D) Service Manual online
4. AV Video
Check input signal format.
Is it supported?
Check AV Cable for damage
for damage or open conductor
Check JK3801
CVBS Signal Line
R3817,R3811
ok
ok
ok
No
Replace Jack
5. Component Video
Check input signal format.
Is it supported?
Check Component Cable
for damage or open conductor.
Check JK3801
Y/PB/PR signal Line
ok
ok
ok
No
Replace Jack
ok
Check CVBS_DET Signal
Replace R3802 or R3803
No
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board.
No
Check COMP_DET Signal
Replace R3804 or R3805
No
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board.
ok
No
Click on the first or last page to see other 55LE4500 (CHASSIS:LT01D) service manuals if exist.