Troubleshooting Flowchart - Fujitsu PlasmaVision P42HHA30WS Service Manual

TROUBLESHOOTING FLOWCHART

LED lamp blinking
Turn power on and check
state of lamp.
LAMP STATE
Not lighted.
Blink LED
Blinks
1 time (Red)
continuously.
1 time (Green)
Blink LED
1 time (Red)
2 times (Green)
Blink LED
1 time (Red)
3 times (Green)
Blink LED
6 times (Red)
Blink LED
2 times (Red)
Blink LED
3 times (Red)
Blink LED
4 times (Red)
Blink LED
5 times (Red)
GREEN
Lights steadily for
more than 10 sec.
Is on-screen display
normal?
YES
POWER SUPPLY STATE
Power supply
circuit faulty.
Power turned off Power turned off
immediately. immediately.
Power turned off
immediately.
Power turned off
immediately.
Power turned off
after 10 sec.
Power turned off
after 10 sec.
Power not turned
off, LED blinks only.
Power not turned
off, LED blinks only.
Power not turned
off, LED blinks only.
NO
All input image
faulty.
Video input image
faulty.
S-video input image
faulty.
Component video
input image faulty.
RGB input image
faulty.
- 19 -
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.
REMEDY
∗ Replace Main
Power PCB.
∗ Vs and V
Check 1 Check 1
Check PDP Panel.
Check Main/Digital
PCB
Check 2
Check 3
Replace Main/Digital
PCB.
Replace Main/Digital
PCB Assy.
Replace Video PCB
Assy.
Check 4
Signal processing
PCB faulty.
Check 5
Check 5
Check 6
Check 7
a must be adjusted.
Replace Main/Digital
PCB Assy.