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42LH4000, 42LH4010, 42LH4020 (CHASSIS:LD91G) - LG TV Service Manual (repair manual). Page 65

Read LG 42LH4000 / 42LH4010 / 42LH4020 (CHASSIS:LD91G) Service Manual online

HDMI Video OK ?
YES
Check the ADJUST MENU
EDID OK ?
YES
Download EDID
(Refer to Adjustment Spec)
NO
Check the HDMI Cable
Replace MAIN B’D IC100
YES
Making 
Revision 
2009. 2 . 1
26/34
 LCD TV
Symptom
HDMI-DTV No Audio Problem
26~42LH2000
32~47LH3000/LH4000
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