LG 22LF4520 - Page 16

- 16 -
LGE Internal Use Only
Copyright © LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. No Video - HDMI
Replace Main
Scaler
(IC300)
Check input signal format
Is it supported?
Check JK100 for proper
connection or Damage
Replace Connector
Y
N
Check I2C Signal
(JK100)
Re Download EDID Data
Y
N
Y
Check HDMI Cable for Damage or
Open Connector
Y