Daewoo DSP-4210GM, Service Manual

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