Fujitsu Plasmavision PDS4229W-B Service Manual page 14

Check 6
Start
Can this unit select
only RGB mode ?
No
Is picture
displayed on screen
normal when new video
PCB Unit
installed ?
No
Are brightness
and color difference
signals connected to
input terminals
correctly ?
Yes
Is signal input level
normally ?
No
Check input signal.
∗ SYNC. signals are added to the Y signal.
Component input signals (Y/Pb/Pr) are abnormal.
Power lamp : Lighted green
(10 sec or more)
Yes
Install video PCB
Unit firmly.
Yes
Video PCB Unit
faulty.
No
Check connection
cable.
Yes
Signal processing
circuit faulty.
– 17 –
Replace Video PCB
Assy.
Replace Main/Digital
PCB Assy.