Read LG 47SL90QD-AA (CHASSIS:LB91L) Service Manual online
Making
Revision
2009. 2 . 1
21/25
LCD TV
Symptom
HDMI-DTV No Audio Problem
HDMI Video OK ?
Revision
YES
Check the ADJUST MENU
EDID OK ?
Download EDID
(Refer to Adjustment Spec)
NO
YES
NO
Check the HDMI Cable
Replace MAIN B’D IC100
YES
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