LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database
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5. In case of no sound<br />
Symptom<br />
1) LED is green<br />
2) Screen display but sound is not output<br />
Check follow<br />
Is All input (mode)<br />
no sound?<br />
Copyright LG Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
C 2008<br />
Yes<br />
Is Only HDMI<br />
no sound?<br />
Yes<br />
Is Only RF no sound?<br />
No<br />
- 23 -<br />
Is the output speaker<br />
turned on?<br />
Yes<br />
No Is a speaker<br />
Download the EDID data.<br />
cable connected?<br />
No<br />
Check the tuner<br />
SIF, AM Audio Input.<br />
Yes<br />
IC603 is OK?<br />
Yes<br />
IC600 is OK?<br />
Yes<br />
Replace VSC board.<br />
No<br />
No<br />
No<br />
No<br />
Set the output speaker on.<br />
Connect the speaker cable.<br />
Replace IC603 (MSP4458).<br />
Replace IC600(NTP3000A).<br />
LGE Internal Use Only