Troubleshooting Using Led And Osd - Fujitsu Plasmavision P50XHA10US Service Manual

TROUBLESHOOTING USING LED AND OSD

1. Display
(1) OSD
Three kinds of error messages are displayed on the screen, and the power is turned off 10 sec later.
(2) LED
LED error is displayed continuously after the power is turned off.
2. Error types and check points
(1) OSD
On screen display
ERROR MESSAGE CONDITION 1
ERROR MESSAGE CONDITION 2
(2) LED
LED lamp display status
Steady light (Red)
Continuous
Flashes continuously (Red)
1 time
Flashes once every 4 sec. (Red)
2 times
Flashes twice every 5 sec. (Red)
4 times
Flashes four times every 7 sec. (Red)
5 times
Flashes five times every 8 sec. (Red)
Cause
Fan protector operated
Temperature protector
operated
Cause
Stand-by status
No power
Power supply protector
operated
Fan protector operated
Temperature protector
operated
Main/Digital circuit faulty
Video circuit faulty
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Check point
Fan
Main/Digital PCB
Ambient temperature of unit
Main/Digital PCB
Temp. sensor IC757
Check point
Main/Digital PCB
PDP panel
Fan
Main/Digital PCB
Ambient temperature of unit
Temperature sensor IC757
Main/Digital PCB
Main/Digital PCB
Video PCB Assy