LG 32LD350 Service Manual page 37

4. AV Video
Check input signal format.
Is it supported?
ok
Check AV Cable for damage
for damage or open conductor
ok
Check JK9800 (*JK3302)
CVBS Signal Line
R137 (*R114)
ok
Check CVBS_DET Signal
ok
Check Mstar LVDS Output
5. Component Video
Check input signal format.
Is it supported?
ok
Check Component Cable
for damage or open conductor.
ok
Check JK9800
Y/PB/PR signal Line
(R121/120/122)
ok
Check COMP_DET Signal
ok
Check Mstar LVDS Output
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Only for training and service purposes
No
Replace Jack
No
Replace R9802 or R9803
No
Replace Mstar(IC100) or Main Board.
No
Replace Jack
No
Replace R9800,R9801
No
Replace Mstar(IC100) or Main Board.
* JK3302 is Side AV supported model
26/32LD350 models
LGE Internal Use Only