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NO Video screen ( Composite input )
Check start
Does the 'Please check input
signal or press "input" key.'
message appear?
Y
Is the signal input jack
correctly connected?
Y
Does the input source operate?
Y
Is input selection in Video mode?
Y
Does the 'DTV, PC' screen
appear after inputting signal
to DTV or PC jack?
Y
Can you see input to P502 No.43 V1
of Video PCB?
Y
Can you see input to TP Y0, V0?
Y
Can you output Sync of TP V2 : 60Hz/
50Hz H2 : 31.5KHz/KHz?
Y
1. Video signal processing is N.G
2. Change Video PCB
N
1.Make sure of
connection of
N
Jack(PDP Monitor
& A/V device)
N
Operate A/V device,
Which is used.
N
Confirm
input selection
N
1. Video signal processing is N.G
2. Change video PCB
N
1. Inspect jack PCB
2. Inspect input jack
N
1. Video S/W and 3D COMB filter
(IC402) are N.G
2. Change video PCB
N
1. Confirm if IC400 and IC401
are N.G
2. Change video PCB
CAUTION : 1.You must only remove PA603 after confirming
- 13 -
Is there a weak electronic
discharge on the screen?
Y
is PA603 properly
connected?
Y
is DVS,DHS,DCLK
of Video PCB P603
being outputted?
Y
1.Confirm other PCBs Video PCB than
2.Change PA603
that you switch off the power.
2. You must thoroughly understand instruction manual
before removing Back cover.
Service manual SP-110
N
1.Confirm AC connection
2.Confirm Power S/W on
3.Inspect Digital and X,Y
N
Confirm Video to digital
Connector PA603
Video PCB is N.G
N
Change PCB
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