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Re: No picture but has sound
If your t.v.has built-in blue screen when there is no signal, then the DVD may have been accidentally switched to progressive scan mode, or defaults to that setting if new. If your T.V. is not capable of displaying in progressive scan mode, you will just get a blue screen. If you have an older tv, without blue screen, then connect it to that, and if you get a black and white split screen when you turn on the DVD, then progressive scan is the problem. Check the manual for the DVD player for the procedure to get out of that mode, and it should then work. If you still have no video, and you are using the yellow composite video jack on the back of your DVD player, then it must be brought in for service.
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Please check if the DVD players progressive scan is enabled. If it is disable it. You will get instruction in the last chapter of the owners manual under troubleshooting. Or find out how to do a factory reset, because all DVD players come with progressive scan disabled from the factory.
You DO NOT use "Channels" to View a DVD player it usually connected to the AV External input. via AV, Yellow, (Video) Red & White, (Audio) or Component Video, Blue, Red & Green. (Video) + Red & White (Audio). These are selected via the External Inputs.
This will fix change the dvb312 to region free for an individual dvd. Must be repeated each time you want region free.
Insert the different region dvd.
A message will appear on the screen "check region" (or something like that)
On you remote control press the "display" button.
Quickly press the number buttons, "1", "2" and "3".
It should now let you play the dvd.
It has worked on mine which was bought in 2003. We have watched a ton of region 2 movies.
1) Plug the DVD player into a TV through the same S-Video cable
If the movie plays on the TV, then the DVD player and cable are OK.
2) Plug another source of S-video signals (if you have one) into the computer input.
If it works, than the computer hardware & software are OK
3) The third and most likely possibility is that the DISK is copy protected, and the obedient DVD player is adding MACROVISION analog copy protection into the S-video output stream.
S-Video is an analog video format that has two separate channels: 1 for composite B&W video (i.e. Y, or luminance) and the other for the color (Chroma). Sound is separate.
Macrovision analog protection technology corrupts the vertical synchronization and blanking pulses within the B&W video stream,
which confuses the Automatic Gain Control (AGC) circuitry of most VCRs. Bill Clinton passed a bill callsed the
"Digital Milenium Act", which makes such garbage VCRs compulsory within the US.
Macrovision also adds digital pulses into the invisible scan lines of the output video stream, which are recognized by DVD recorders, and possibly your computer, such that they will refuse to accept or record the movie.
Often a macrovision message comes up.
4) Finally, if the video is fine and you don't have Macrovision problems, there is a strong chance that your computer's device drivers are not installed or configured properly, or there is a hardware problem within the computer.
In either case, the computer manufacturer (tech support) should be obligated to resolve this issue (4)
5) Inexpensive Macrovision remover boxes are widely available by searching Google.
On 12/29/2007 at 1135pm, I found the solution for yours and my problem. Here is what you need to do. I did the same thing and couldnt get video. If you set Progressive Scan to ON in error , you must reset the unit. Play your dvd, then press "STOP" to stop the disc from playing. Hold the stop button on the dvd player for approx 5 seconds before releasing it. The video output will be restored to the standard setting, and a picture will once again be visible on a conventional analog TV or monitor.
Do you use AV inputs for your Cable box? If so, try swapping the audio inputs in the TV, that is, interchange the AV inputs for your DVD and cable box. If sound is audible in a different input, then the Audio input (for Cable) on your TV is faulty. One simple suggestion, Why don't you route your Cable signal through the Tuner of your VCR?