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7. HDMI Video
Check input signal format.
Is it supported?
ok
Check HDMI Cable
for damage or open connector.
ok
Check EDID & EEPROM
IC801, IC802, IC804
I2C Signal
ok
Check JK801, JK802, JK903
ok
Check HPD
ok
Check HDCP Key EEPROM(IC103)
Power & I2C Signal
ok
Check HDMI Signal
ok
Check Mstar LVDS Output
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Only for training and service purposes
No
Replace the defective IC or re-download EDID data
No
Replace Jack
No
Replace R895, R896, R897
No
Replace the defective IC.
No
Check other set
If no problem, check signal line
No
Replace Mstar(IC101) or Main Board.
No
Replace Main Board
LGE Internal Use Only
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