Samsung PS51E450A1W - Page 38

4.Troubleshooting
1
6 Gra y Patte rn
16 Gra y Wa ve Form
H-sync
Gray
Level
Ye s
Ye s
Ye s
Re place the Main Board.
Check the output of LVDS .
Is it normally ope rating?
Re place the S MP S .
Check the each output of the S MP S.
Is it normally ope rating?
Check the ea ch output of the S MP S a fte r
disconnecting the powe r cable from S MPS .
And re pla ce X-Ma in, Y-Main Board,
Y-S ca n Board.
Check the LED ope ration of Logic Board
whitch is normally ope rating?
Re place the Logic Board.
No
No
No
Re place the Y-S ca n Board.
No
<PCInput–1(V-sync,H-sync,R/G/B)>
<PCInput–2(V-sync,H-sync,R/G/B)>
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