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50PZ540-UB, 50PZ550-UA (CHASSIS:PU13A) - LG TV Service Manual (repair manual). Page 56

Read LG 50PZ540-UB / 50PZ550-UA (CHASSIS:PU13A) Service Manual online

Great Company  Great People
HDMI Video Trouble Shooting
Check input signal format
Is it supported?
Y
Check JK200~JK203 for proper 
connection or damage
Replace connector
Y
N
Y
Check HDMI Cable for damage or open 
conductors
Check EDID
SVC REMOTCONTROL
Check HDMI SW(IC200)
Power(L200/1) & I2C Signal(R270/1)
EDID D/L
Y
N
Replace IC200
Y
N
Replace BCM3549XS(IC501)
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