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TROUBLESHOOTING USING LED AND OSD
1. Display
(1) OSD
Two 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
On screen display
Cause
Check point
ERROR MESSAGE CONDITION 1
Fan protector operated
• Fan
• Main power PCB
• PFC PCB
• Main/Digital PCB
ERROR MESSAGE CONDITION 2
Temperature protector
operated
• Ambient temperature of unit
• Main/Digital PCB
• Temp. sensor IC757.
(1) OSD
LED lamp display status
Cause
Check point
Steady light (Red)
Stand-by status
–––––––––––
Continuous
Flashes continuously (Red)
No power
Power supply protector
operated
• Main power PCB
• PFC PCB
• PDP panel
1 time
Flashes once every 4 sec. (Red)
Fan protector operated
• Fan
• Main power PCB
• Main/Digital PCB
2 times
Flashes twice every 5 sec. (Red)
Temperature protector
operated
• Ambient temperature of unit
• Temperature sensor IC757
• Main/Digital PCB
4 times
Flashes four times every 7 sec.
(Red)
Main/Digital circuit faulty
• Main/Digital PCB
5 times
Flashes five times every 8 sec.
(Red)
Video circuit faulty
• Video PCB Assy
(2) LED
Содержание Plasmavision PDS4229W-B
Страница 1: ...PDS4229W B Copy Prohibited FUJITSU GENERAL Proprietar y ...
Страница 44: ...May 2001 Printed in Japan 0105J1859 ...