Hdmi 1~4 All No Video Problem - LG 42SL90QD Service Manual

LCD TV
Symptom
Check Signal format
Is it supported?
YES
Check the HDMI Cable
YES
Check the ADJUST MENU
EDID OK ?
NO
YES
Replace
MAIN B'D IC601 (HDCP KEY)
NO
Replace MAIN B'D IC 100 Replace MAIN B D IC 100
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes

HDMI 1~4 All No Video Problem

Download EDID
(Refer to Adjustment Spec) (R f t Adj t t S )
Making 2009. 2 . 1
Revision Revision
11/25
LGE Internal Use Only