Question about Toshiba SD-3990 DVD Player
SOURCE: incorrect disc
The first thing i would suggest you to do is a hard reset by unpluging the the player for 30min and then try again.
If this does not solve your problem then please see if the player tries to read the disc.
Load a disc and listen.Does the player make squealing noises or is it totally quiet? Squealing noises may indicate that the player is trying to synchronize with the disc but can't due to an obstruction on the lens or in the laser path inside the pickup or a defect in the pickup. This can also be caused by an intermittent signal problem due to a faulty ribbon cable.
Totally silent means that the photo sensor is not getting any usable input from the laser at all, meaning that the pickup is "blind" for lack of a better word.
This can be caused by an obstruction of the beam by foreign matter on the lens or inside the pickup all the way to a marginal or failed laser diode and/or photosensor array. This can also be caused by a bad ribbon cable with one or more severed traces.
You could try to clean the optics. This is the most common malfunction as far as i know in all disc players. It would involve taking the cover off and finding a way to expose the lense, and then cleaning it with a very gentle brush. some players have a cover for the lense that swings to the side during playing, this greatly reduces the chance of dust accumulating, but its still worth the try.
If you actually see dust on the lense, then its just that simple. clean, close, play.
It may also be worth your while to check on the small shafting that guides the carriage of the laser pickup. Dirt, grome, dust and solidified lubricant can cause stoppage of the carriage and the laser eye then fails to read the next track. Please refer to the image below.
If the problem still persists then you will have to get it repaired and thats the only solution..
Posted on Mar 20, 2008
SOURCE: No disc message appears
Just re-seating the flat cable, many times, didn't work for me. Instead, I very carefully cut about about 1mm off the end with a straight, smooth edge scissors. Then I plugged it in, pushed the clip down, and it worked! Be sure to cut straight, or the fine pitch contacts might not line up.
Posted on Jul 07, 2008
Ocasionally this can happen with DVD's. As you haven't mentioned any other problems with the burner in your computer I think there maybe a slight problem with the disc itself or that it has a lot of finger prints on it which will need to be cleaned off using a lint free soft cloth. If you look at recorded sided of the disc under a light you may see a distortion in the surface a bit like a wavy line, this could indicate a flaw in the manufacture. The reason why your dvd player can run it is often down to the quality of the laser pickup. I was once told that Pioneer dvd players are particualy good at playing a disc when other machines won't as disc manufacturer's do/did use Pioneer machines to test the quality of their discs at manufacture. I can only recomend that if your box set is new then take them back to the shop where you purchaced them from and ask for a replacement stating that one of the discs won't play on your machine.
Hope this helps,
Posted on Apr 25, 2010
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