Read LG 32LH30FD (CHASSIS:LT91A) Service Manual online
Check the SCART Cable
YES
Replace MAIN B’D
IC1103
MAIN B’D
R239 (Right Sound)
R240 (Left Sound)
signal ?
NO
YES
Replace MAIN B’D IC 100
Analog TV Audio OK
YES
Check MAIN B’D JK1100
Replace MAIN B’D JK1100
NO
YES
Check the Trouble Shooting Guide
Analog TV No video
NO
Making
Revision
2009. 2 . 1
27/34
LCD TV
Symptom
AV1 No Audio Out Problem
26~42LH2000
32~47LH3000/LH4000
32~47LH3000/LH4000
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