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1. No Video – USB-C Up
N
Ch eck C950
Voltage Level (20V)
Y
N
Ch eck IC903 Output
Voltage Level (3.3V)
Y
N
Ch eck IC092 Output
Voltage Level (1.8V)
Y
N
Ch eck IC904 Output
Voltage Level (1.1V)
Y
N
Ch eck X500 Clock
14.318MHz
Y
R e place IC501 Flash
M e mory
TROUBLE SHOOTING GUIDE
Y
Ch eck P ower connector
OK ?
R e place IC903 &
R e check
R e place IC902 &
R e check
R e place IC904 &
R e check
R e place X500
P ower board
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Only training and service purposes.
LG Electronics Inc. All rights reserved.
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