Service manual

P1165E&P5260E 23
Power Source Troubleshooting:
How to check the power board?
- check the 380v output on connector 3 (see ballast board page 35)
- check the fuse on the power board
No Power Source
after turning on
Replace AC
socket
Replace power
board or reinstall
Replace keypad
and FPC
Replace power
board
Replace main
board
OK
OK
OK
OK
NG
NG
NG
NG
Check 16 pin
Power output
Check
Safety Switch
Check AC socket and
connector
Check LED and keypad
FPC
Fan failure after
turning on
Reconnect fan
Replace fan
Replace Main
board
NG
NG
NG
OK
OK
Check
Main board
Check
Fan
Check fan
connection
Check
Fuse
OK
Replace fuse
NG
Fuse
380V