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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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
Isolate the problem. The main troubles that will crop up with a TV set are either no picture, no sound or both.
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.
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.
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.
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.
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
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.
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.
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.
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
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.
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.