LG 60LB5900 Service Manual page 19

5. HDMI Video
Check input signal f ormat.
Is it supported?
ok
Check HDMI Cable conductors
f or damage or open conductor.
ok
Check EDID
R810,R811,R815,R816 I2C Signal
ok
Check JK800, JK801
ok
Check HDMI_DET(HPD)
ok
Check HDMI Signal
ok
Check Mstar LVDS Output
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
No
Re-download EDID data
No
Replace Jack
No
Replace R809, R814
Check other set
No
If no problem, check signal line
No
Replace Mstar(IC101) or Main Board.
- 19 -
No
Replace Main Board
LGE Internal Use Only