Question about Samsung HLP4663W 46" Rear Projection HDTV

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Samsung dlp i have a 3 year old samsung dlp 56 inch for past week it shows white vertical lines ,i have a picture on sreen white vertical (like jail window bars) all inputs model number HLP-4663WX/XAA

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  • lbrsjs Jul 29, 2008

    thanks

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  • Samsung Master
  • 19,396 Answers

If you have have 40 vertical lines 16 pixels wide: DDP1011 or BCA, DMD panel interference: Replace the DMD board.

Posted on Jul 26, 2008

  • Ginko
    Ginko Jul 26, 2008

    It is one of the diagnostics in service manual.

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I HAVE WHITE VERTICAL LINES ON MY SAMSUNG 56 INCH DLP MODEL HLR 5656W. IS IT THE HDMI CONNECTOR ON THE DIGITAL BOARD?


White vertical lines is the result of a defective DMD IC. Please replace. Here is the part# 4719-001962. I hope this helps.

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My tv have vertcal lines wend I just tern on but wend heat up dosent do any more ?? Samsung HL-R5656W 56 in. HDTV DLP TV


You are probably seeing what looks like Jail Bars (Vertical Lines evenly spaced) on the screen. If so,then the DMD chip on the DMD board is bad and needs to be replaced

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If you get green vertical bars or green dots in the picture but not in the menu screen (Digital board symptom)

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I have a samsung HLS4266WX/XAA about 3 years old with white dots.


This is a known issue with Samsung DLP sets. Here's a link to the solution:

http://forums.cnet.com/5208-13973_102-0.html?messageID=3162774&tag=emfrnd#3162774

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HLN507W Samsung DLp Horiz. lines


it sounds like the dmd board is failiing

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need the modle number to see if there is a service flash or fix/

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46" Samsung DLP Lines & Freeze up


This is a possible fault in the power supply, and can be a problem with some decoupler caps on some of the boards. The vertical bars and unstability are usually attributed to having high frequency noise and or clocking pulses crosstalking on to the power distribution lines that run through the boards. This can be switching power supply noise, or cross-talk from clocking pulses.

Another thing that can cause your described fault is unstable clocking between the devices that are reading and writing to the data busses. There are a number of data busses running through the set for the boards to be able to communicate with each other.

The tech will use the process of board swapping to service the set, and then do the adjustments as necessary to make sure the new boards match up.

Yes... DLP sets are fairly expensive to service!

This is my personal opinion. If the set is out of warranty, I would change for a Plasma or LCD set. If you compare the performance of these to ther DLP, the difference is very big. From what I am seeing from a service point of view, the DLP's are lower in reliability.

Jerry G.


Apr 03, 2008 | Samsung DLP HL-P5663W 56" TV

2 Answers

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YOU NEED CHECK THE 3 CRYSTALS ( RED, GREEN AND BLUE). CLEAN IT WHIT "DUST REMOVER" ( compressed gas duster) AND REPLACE THE COLOR WHEEL.

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1 Answer

Samsung dlp


do they look like jail bars ,running from top to bottom.

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