LG 27GL850 Service Manual page 12

3. No Video – HDMI
Check input signal format
Is it supported?
Y
Check HDMI Cable for Damage or
Open Connector
Y
Check JK102 for proper
connection or Damage
Y
Check I2C Signal
(EDID)
Y
Check IC102 AUX Signal
(#J1,H1)
Y
Check IC103 AUX Signal
(#3,4)
Y
Replace the G-SYNC Module
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Only for training and service purposes
N
Replace the Connector
N
Replace the IC100
N
Replace the IC102
N
Replace the IC103
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