LCD TV SERVICE MANUAL
LCD TV SERVICE MANUAL
LCD TV SERVICE MANUAL
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4. AV Video<br />
Check input signal format.<br />
Is it supported?<br />
ok<br />
Check AV Cable for damage<br />
for damage or open conductor<br />
ok<br />
Check JK9800 (*JK3302)<br />
CVBS Signal Line<br />
R137 (*R114)<br />
ok<br />
Check CVBS_DET Signal Replace R9802 or R9803<br />
ok<br />
No<br />
No<br />
Replace Jack<br />
No<br />
Check Mstar LVDS Output Replace Mstar(IC100) or Main Board.<br />
5. Component Video<br />
Check input signal format.<br />
Is it supported?<br />
ok<br />
Check Component Cable<br />
for damage or open conductor.<br />
ok<br />
Check JK9800<br />
Y/PB/PR signal Line<br />
(R121/120/122)<br />
ok<br />
No<br />
No<br />
Replace Jack<br />
Check COMP_DET Signal Replace R9800,R9801<br />
ok<br />
No<br />
Check Mstar LVDS Output Replace Mstar(IC100) or Main Board.<br />
* JK3302 is Side AV supported model<br />
26/32LD350 models<br />
Copyright ⓒ 2010 LG Electronics. Inc. All right reserved.<br />
Only for training and service purposes LGE Internal Use Only
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