LG 24BK550Y Service Manual page 21

Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. No Video
Check input signal
format
Is it supported?
Y
Check Dsub Cable
for Damage or
Open Connector
Y
Check
JK200,201,202,P20
0 for proper
connection or
Damage
Y
Check I2C
Signal(JK200,201,2
02,P200
Y
Replace Main
Scaler (IC100)
N
Replace Connector
N
Re Download EDID
Data
-21 -
LGE Internal Use Only