LG 43LF5400-UB - Page 19

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Only for training and service purposes
5. HDMI Video
Check input signal format.
Is it supported?
Check HDMI Cable conductors
for damage or open conductor.
Check EDID
AR102, AR101, AR410, AR411 I2C
Signal
Check JK403, JK404
Check HDMI_DET (HPD)
Check HDMI Signal
Check Mstar LVDS
Output
NO
NO
NO
NO NO
NO
Replace the defective IC or
re-download EDID data
Replace Jack
Replace R418, R410,
Q400, R419
Check other set
If no problem, check signal line
Replace Main Board
Replace Mstar(IC101) or
Main Board.
OK
OK
OK
OK
OK
OK