AOC e1649Fwu Service Manual - Page 22

Trouble Shooting - cables

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7.2 Trouble Shooting 1.No Power No power Check power cable is tightened? OK NG Re-plug the power cable Check Power "On/Off" is "On"? NG Turn on the Power "On/Off" switch OK Check the LED indicate is OK? NG Check the AC power OK Replace the converter board NG Replace main board and check connections NG Replace key board and check connections 22

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7.2 Trouble Shooting
1.No Power
OK
NG
No power
Check power cable is
tightened?
Check Power
“
On/Off
”
is
“
On
”
?
Re-plug the power cable
Replace main board and check connections
Check the LED
indicate is OK?
Check the AC power
Replace the converter board
OK
NG
OK
NG
NG
Turn on the Power
“
On/Off
”
switch
Replace key board and check connections
NG