Power Source Troubleshooting:
No Power
Source after
turning on
Replace AC
socket
Replace power
board or reinstall
Replace keypad
and FFC
Replace
power board
Replace
main board
OK
OK
OK
OK
NG
NG
NG
NG
Check 7 pin
Power output
Check
Safety Switch
Check AC socket
and connector
Check LED and
keypad FFC
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
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
27
Summary of Contents for Pro8400 Series VS13647
Page 10: ...D Remote Control Confidential Do Not Copy ViewSonic Corporation Pro8400 7 ...
Page 11: ...Confidential Do Not Copy ViewSonic Corporation Pro8400 8 ...
Page 15: ...1 4 Pro8400 System Block Diagram Confidential Do Not Copy ViewSonic Corporation Pro8400 12 ...
Page 51: ...7 2 Packing drawing Confidential Do Not Copy ViewSonic Corporation Pro8400 48 ...
Page 52: ...Confidential Do Not Copy ViewSonic Corporation Pro8400 49 ...
Page 56: ...Confidential Do Not Copy ViewSonic Corporation Pro8400 53 ...
Page 57: ...Appendix B IR Control Code Confidential Do Not Copy ViewSonic Corporation Pro8400 54 ...