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Re: no picture on screen
Initially, this would either be a defective LCD panel or its
interface. A way to verify is to play the portable DVD using an
external video monitor such as your TV. If still gray or blue screen
(no video) even in the TV/monitor, then it would be the video
If the video is displayed, then it would just be the LCD panel display.
it turns out to be the LCD display, it is very possible that it is a
backlighting issue. Most likely, it would be in the inverter and/or CCF
(cold cathode florescent) lamps. This is a relatively easy repair by
re-soldering. It is perhaps more of a task to open the panel lid/cover
of the LCD display.
This of course would require a fair
familiarity of electronic components/circuitry and safety procedures,
use of a DVM and a soldering iron. It would be to your added advantage
access to a service manual or at the very least a schematic diagram
with voltage readings. Should you be uncomfortable performing a DIY
(do-it-yourself), perhaps your best bet would then be to seek the
services of a qualified professional.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
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Open your left eye ...
OK, just kidding. If your TV or its remote control has a Reset button you can press it twice to reset the TV to original factory conditions (but you lose all customised picture and sound settings). If the TV receives its signal from a cable box or DVR, try connecting a different device such as a DVD or Blu-ray player and play a movie disc. If the problem on your TV screen still exists that suggests the TV needs repair or replacement. If the picture is OK when playing a DVD movie that suggests that your cable box or DVR is faulty and needs replacing (usually free from the cable TV company).
If you look very closely, is there an extremely dark picture, or a solid black screen?
If it's an extremely dark picture, you just need a new backlight.
If it's a black screen, you either have a bad connection (broken, shorted or unplugged cable), or need a new LCD.
Let me know, and we'll go from there.
Perhaps 2 things. Does TV get a picture without DVD connected? If so I would bet you have a faulty connection in your signal board where the in jacks are at the back of the TV . Check to make sure cable from DVD are not bad, I have used cables before and got a false positive. Try turning and spinning the jacks once you have a picture.Make sure your signal board is firmly pressed into its slot on the signal board chassis. Thats it for now. Good luck.
If the player is doing that for all DVDs but playing CDs properly, the player has gone bad due to either the laser and lens being out of whack or the DVD drive just doesn't recognise DVDs anymore and needs repaired or replaced.
Sounds like the back lighting of the LCD screen is faulty. Is it a new unit - take it back. You might try the brightness and contrast controls and turn them up. If that doesn't help it needs to be repaired.
sounds like a faulty Backlight.. If you just bought this take it back and get it replaced, Check if the Manufacturer's warranty is still valid. if this was bought second hand (out of warranty) I would take it back. as it is unlikely that the prev owner did not know of this issue.
I responded to Parisica's problem, so you have read the "bad news" already. All I can add, is that we see your problem quite often, and without spouting a bunch of tech jargon, lets just say it is easier for the laser to read Cd's than DVD's, so quite often when the laser begins to fail, DVD's will no longer play, but Cd's are fine. I'm not an expert on your model, but Parisica mentions a menu setting that turns DVD video on & off, which may be worth checking, and also cleaning may help, as a dirty laser lense can give the same symptoms as a weak laser.
I don't want to get your hopes up, 2-3 years of service can certainly be long enough for laser problems, depending on how much you used it.