55
ViewSonic Corporation
Confidential - Do Not Copy
PRO8100-1
Power Source Troubleshooting:
Note:
(check one by one)
No Power Source
after turning on
Replace AC
socket
Replace keypad
and FPC
Replace power
board
Replace
mainboard
OK
OK
OK
NG
NG
NG
Check 12 pin
Power output
Check AC socket and
connector
Check LED and keypad
FPC
Fan failure after
turning on
Reconnect fan
Replace fan
Replace
Mainboard
NG
NG
NG
OK
OK
Check
Mainboard
Check
Fan
Check fan
connection
Check
Fuse
OK