Trouble Shooting - Panasonic JS-925WS-010 Service Manual

7. Trouble Shooting

No Power, No boot, No starting, No Display
Start
LED Green?
Yes
POST displays?
Yes
=
"Remove disks or other media..." display?
Yes
Swap HDD
Boot normal?
Yes
Reformat and reinstall
OS and application to
original HDD
Boot normal?
Yes
HDD's data was
broken
This is not including cable connection checks. Please check cable connections as well.
No
LED Red?
Yes
Swap Switch & LED
PCB
Boot normal?
Yes
Original Switch & LED
PCB Failure
No
Connect External
monitor to VAG port
External monitor displays POST?
Yes
Swap Inverter
POST displays?
Yes
Original Inverter Failure
No
Main PCB Failure
Replace Main PCB
No
Main PCB Failure
Replace Main PCB
No
Swap HDD
Reinstall OS and
application
Boot normal?
Yes
Original HDD Failure
177
No
AC Cord is connected? No
Yes
Power Supply Failure
Replace Power Supply
No
Main PCB Failure
Replace Main PCB
No
Main PCB Failure
Replace Main PCB
No
LCD Failure
Replace LCD
Remount original
No
Main PCB Failure
Replace Main PCB
Connect AC Cord