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LED lamp blinking
Turn power on and check
state of lamp.
Not lighted.
LAMP STATE
Power supply
PCB faulty.
POWER SUPPLY STATE
Check PDP Panel.
Check PDP Panel.
REMEDY
Power turned off
immediately.
RED
Blinks continuously.
Power turned off
immediately.
RED
Blinks once
Power turned off
after 10 sec.
RED
Check 1
Blinks twice
Power turned off
after 10 sec.
RED
Check 2
Blinks four times
Power not turned
off, LED blinks only.
RED
Replace Main/Digital
PCB Assy.
Blinks five times
Power not turned
off, LED blinks only.
RED
Replace Video PCB
Assy.
Is on-screen display
normal?
Check PDP Panel.
Video PCB faulty.
Video PCB faulty.
Signal processing
PCB faulty.
Replace Main/Digital
PCB Assy.
Replace Main/Digital
PCB Assy.
Replace Video PCB
Assy.
Replace Video PCB
Assy.
Signal processing
PCB faulty.
Check 3
Lights steadily for
more than 10 sec.
GREEN
NO
YES
All input image
faulty.
Video input image
faulty.
S-video input image
faulty.
Component video
input image faulty.
RGB 1, 2 input image
faulty.
Note : 1. Since a voltage is applied to the Main Power
PCB heat sinks while the set is operating, do
not touch the heat sinks.
2. If the Main Power PCB insulation sheet is not
installed when assembling, the Main Power
PCB fuse will blow.
TROUBLESHOOTING FLOWCHART
