LG FLATRON E1940T Service Manual page 22

No Power
(Power Indicator Off)
Check AC line
Check
CN701=12V?
Check Vout about
35V?
Check main board
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Only for training and service purposes
volt
YES
Check the
adapter
YES
YES
YES
Replace panel
5. POWER
NO
NO
NO
NO
NO
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Check AC line & AC
socket
Replace adapter
Check FB701,C716
Check L801,D801,Q801
Check main board
LGE Internal Use Only