Question about Samsung HLP4663W 46" Rear Projection HDTV

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Scrambled picture with DVD or Video Game

My Samsung 46" DLP looks great while watching cable. If we try to watch a dvd or video game the picture becomes scrambled. Have tried multiple ports and dvd players with the same result. Can't figure out what is causing this.

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You have a bad digital board. Expect to spend some serious money to repair this.



michtech

Posted on Feb 20, 2009

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When i turn it on it winds and turn off.


  1. Check the power. Don't be embarrassed if your problem is as simple as an unplugged power cord. It's better that you should discover this than pay a repair technician to come out to your house and find out.
  2. Isolate the problem. The main troubles that will crop up with a TV set are either no picture, no sound or both.
  3. Check the input setting on your remote control. If you have other devices connected to the TV, such as a video game system, those devices must be used with a different input setting than the input you use for watching programs or movies on a DVD or Blu-Ray player. Chances are, the kids were playing a game and forgot to turn the input back the way it was.
  4. Press the Input button on your remote control to return to the setting you wish to use. For example, the cable box might be connected to Input 1 and your DVD player might be connected to Input 2. Newer television sets have at least 3 inputs.
  5. Check the coaxial connection from your cable or satellite receiver to the television. The cable should be attached securely by twisting the round lock nut clockwise. Also check the power connections for the satellite or cable receiver. If either is unplugged, you won't receive a programming signal on the TV.
  6. 6 Make sure the video cable is securely attached to the TV jack if you have a home theater system. The video cable runs from the Video Out jack on your home theater receiver to the Video In jack on the back of your TV.
  7. 7 Check your receiver setting. Home theater receivers manage several components, so if you have the receiver set to operate the CD player but you are trying to watch a movie on your Blu-Ray player, you'll need to change the selection to Blu-Ray to watch the movie on your TV.
  8. Check the TV speakers to see whether they have been muted by accident. Press the volume button on your remote control or go to the Menu section and scroll down until you reach TV Speakers. Toggle left or right to turn the speakers on or off.
  9. Press the speaker button on your receiver to make sure your external home theater speakers are activated. Many home theater systems use external for their superior audio rather than the speakers inside a television.

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1 Answer

Mitsubishi dlp 50'' TV flickers on top and left from time to time. Any ideas? Color is good sound is good, balance of screen seems to be fine. Does not do this all the time.


This could have something to do with the video board, your cable box, or DVD player, or it could be the DLP chip.

If it doesn't do this all the time, I'd take note of when it does occur. Figure out what you're watching, how you're watching it (DVR, Cable, DVD), and then even play around with swapping the cables first.

Then you can narrow it down to the DMD board or the video board. Those can be costly, so you want to rule out all other possibilities first.

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Picture is scrambled after power surge. Have a


Check if it has a scrambled image on all sources ie - DVD- VCR - cable/satellite box. Since the PIP is normal it sounds like the signal source is bad.
Post back with more info about your set up (what's hooked to your TV) if you need more info

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Our dlp tv shows great color when watching tv but when we watch a dvd the red is brown and the pink is tan? HELP


if you already check your cables.. and it's still the same.. the problem is probably the VIDEO BOARD

here is a picture of what is a video board..

b880fd9.jpg

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I have just hooked up a dvd player to the TV, and we watched it one time just fine. Now when we try to watch a DVD we just get an audio sound for about 2 seconds, and then nothing at all. There is no...


have you attempted a different video source into the TV (Gaming system, another DVD player, Reciever)?
The issue may be that the cables you are using may be old, and are severely damaged. inside of those cables is a standard RG-59 Coaxial Line that is extremely flimsie.
try and use separate cables or a separate input.
If the input change works, is most likely the switchboard on your TV (Hardware) and will need to be serviced. Another option to use is a Video switch ($35USD), and not pay $300+ for system repairs.

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your problem is the 2hdw board is located in the signal board.

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If you are getting the same problem with both TV monitors it could then be assumed it's an input problem to the TV monitor. If you are using a digital output from your receiver it could be the cabling. If you are using an analog output from your receiver it is probably coming from the receiver.
Digital video processing does have issues with darker scenes.
Can you try another video source seperate from the receiver like a DVD or better yet an analog VHS, if you still have one. Good luck and let me know.

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This can be a fault in the tuner, IF, or primary part of the video processing. With age and use some of the parts, and especialy capacitors, in these sets can become thermo sensitive and unstable.

To service these types of faults can be very time consuming. On top of this would be the cost of the parts.

Considering the age and type of set that you have, I would suggest that it is time to be looking for a new set.


Jerry G.

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1 Answer

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This sounds like an o-so familar problem. It sounds like the Switching IC or the MICOM has failed

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