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LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
11. Speaker out audio
Make sure you
can°Øt hear only speaker out
OK
First check the TV SPEAKER Menu Toggle the menu
No
OK
Check sound cable for damageor
OK
Check Mstar exteral speaker out
R164,165
Replace Mstar(IC100)
or Main board
No
OK
Check IC602 exteral speaker out
15, 22PIN
Replace Sub
amp(IC602)
No
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