Question about Samsung HLR5067WX 50" Rear Projection HDTV

2 Answers

HLR-5067WAX/XX Screen freezes and resets every few seconds

I just replaced the light engine as a whole in this set, now occasionally the set hangs on a signal. It freezes for a few seconds, the screen goes dark and then it resets and works for another few minutes before freezing and repeating. I have found that while the screen goes dark the bulb is still lit, also this happens on all inputs and even if the volume or menu is on a black or static screen. The static too looks odd. It has green and purple lines coursing through it instead of the normal salt and pepper. I have found that if I unplug the tv while it is still on and then plug it back in within a few seconds, the tv will then work flawlessly for a few days before going back to the resetting. During the working periods I can watch blurays, play xbox, high def or standard def.
I just recently hooked this up to cable and it does the same thing with the hdtv cable box. It hangs on the signal. Can anyone point me in the right direction? Is the DMD on the new light engine shot? Or is it something with the signal board. HELP!

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  • Axle80
    Axle80 May 25, 2009

    Great! thanks for the wisdom. Give me a few days to do some diagnosing and I will post back shortly.

  • Axle80
    Axle80 May 28, 2009

    Thanks f


2 Answers

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  • Samsung Master
  • 2,923 Answers

You have to check the 3 main boards inside your TV. Here are the boards that you need to check:

1. Analog board
2. Digital board
3. DMD board

A problem in the small signal stage will only be amplified in the final stage output so be sure where the problem originates. Here are the things that you need to do to check the DMD board:

* Access Factory Service Mode:

In Standby mode, press "Mute", "1", "8", "2" and "Power" to turn the screen on and enter service mode

Input screen will be whatever you have set as main input.
Check if there is an error in the DMD board:

Highlight the DDP1011, then TEST PATTERN
Press the right arrow key on remote to scan through the following screens:
Full Screen, WHITE, BLACK, RED, GREEN, BLUE, etc. until you get back to your initial input.
If the above screens do not appear, this is a DMD board error.

When the DMD board has been determined to be error free based on the test patterns check the DNIe:

Input screen will be whatever you have set as main input.
Check if there is an error in the digital board before the DMD.

Highlight the DNIe, then TEST PATTERN
Press the right arrow key on remote to scan through the following screens:
Full Screen, WHITE, BLACK, RED, GREEN, BLUE, etc. until you get back to your initial input.

If the above screens do not appear, IT MAY BE from a DMD board, an ATI error or there is an Analog board malfunction.

If the DDP1011 and the DNIe passed, try to access a known working Analog board to complete my diagnosis for board change out then hopefully take this to component level repair.

It's also recommended to consult the manufacturer for second opinion.

Have a great day!

Posted on May 21, 2009

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  • Samsung Master
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Do u need more assistance on this problem, sounds like the high voltage supply (flyback transformer) is shorted

Posted on May 26, 2009

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