Question about Samsung DLP HL-P5663W 56" TV

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46" Samsung DLP Lines & Freeze up

46" Samsung DLP, 2 years old. The symptoms vary from:
Picture freezes.
Color is all distorted.
Can't turn TV off, need to unplug it.
5 evenly spaced wide vertical bars. Each bar is made up of 7 narrower
bars.


Model # HLR4667WAX/XAA

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  • Nickandlisa Apr 12, 2008

    I am having the same exact issues. have you gotten anywhere yet? Also does the TV internal menu still work. Mine still does , it's just the incoming image that looks bad.

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  • Samsung Master
  • 1,646 Answers

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.


Posted on May 06, 2008

  • walooway Dec 29, 2010

    How do you change a color wheel I would like to do it myself and save $$$ I've changed 3 lamp,one door switch and now I need a color wheel turn it on and it makes a whinning sound was told it was the color wheel b4 this last lamp change it glass grinding sound musta damaged wheel also.. thanks walooway@Bellsouth.net

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