Question about Samsung DLP HL-P5663W 56" TV
There seems to be some kind of dirt or mark on the other side of the TV's screen. This just appeared the other day, actually it appeared the day after my son threw a part at my house while i was away. I am not sure if maybe one of his friends spilled something near or placed a drink on top of the TV.
It almost seems like smudge and I'm not sure if it's really on the screen part or if part of the TV was damaged and it's part of the picture. There are two blackish streaks in the middle of the TV, only towards the bottom of the screen.
Is there any way to take off the screen and see if i could narrow down the problem?
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Posted on Jan 02, 2017
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.
Posted on May 06, 2008
There is a link to a forum with the solution, it's your DLP chip on the DMD board:
Samsung denies this is an issue, to express ouroutrage a facebook group is created:
Posted on May 12, 2009
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