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LGE Internal Use OnlyCopyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
8. HDMI Video
Check input signal format.
Is it supported?
Check HDMI Cable conductors
for damage or open conductor.
Check EDID
R4033,R4034,R4035,R4036,
R4037,R4038 I2C Signal.
Check JK801, JK802, JK803.
ok
ok
ok
No
No
Replace the defective IC or re-download EDID data.
Check HDCP EEPROM(IC103)
Power & I2C Signal
Replace the defective IC.
ok
No
Replace Jack.
Check HDMI Signal.
Check other set.
If no problem, check signal line.
ok
No
Check Mstar LVDS Output.
Replace Mstar(IC101) or Main Board.
ok
No
Replace Main Board.
No
Check HDMI_DET(HPD).
No
ok
Replace R830,R828,R862.