Read LG 19LV2500-UA (CHASSIS:LA01T) Service Manual online
4. AV Video
Check input signal format.
Is it supported?
Check AV Cable for damage
for damage or
open conductor
Check JK1604
CVBS Signal Line
R246
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 JK1603
Y/PB/PR signal Line
ok
ok
ok
No
Replace Jack
ok
Check CVBS_DET Signal
Replace jack or R1666
No
Check Mstar LVDS Output
Replace Mstar(IC100) or Main Board.
No
Check COMP_DET Signal
Replace R1615
No
Check Mstar LVDS Output
Replace Mstar(IC100) or Main Board.
ok
No
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