Question about Panasonic DMR-EZ28K DVD Recorder

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Recoding problem. Sound is good but no picture,

Recoding problem. Sound is good but no picture, completely blank

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Posted on Oct 14, 2013

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Our 2055 x5 sport has lost its satnav and screen is blank after a flat battery, I have checked fuses and disconnected battery for 10 minutes now the radio but no satnav and just a blank screen ,


need to recode the nav system. the system thinks you disconnected it and it wont work until it is recoded by the dealership.
This prevents theft as it wont work with other cars.

Sep 06, 2015 | 2005 BMW X5 3.0d

1 Answer

Why do we have sound but no picture?


This is an older picture-tube projection TV.
There are just a few things that can affect all three color tubes at the same time. One of these is "Blanking" and the other is the High Voltage.

Blanking happens when there is not a good signal to the TV, and the high voltage and therefore picture are shut off to protect the high voltage system. Make sure there is a good, strong signal to test it from, like a DVD player, otherwise the TV could blank off from low signal levels. A signal good enough to produce sound may not be good enough to keep the picture on, so that is not a good indication of good signal.

The other, High Voltage, is complicated and dangerous to work on and best left to a qualified technician to work on. High voltage in a TV can hurt or even kill you if you get across it.

Jul 06, 2014 | Mitsubishi WS-55313 55" Rear Projection...

1 Answer

My dvd player TF-DVD1021 DOESNT SHOW PICTURE OR SOUND


Those units are bottom of the barrel. Sorry. You and I have already spent more time on it than it is worth. Check power, and switches. Ewaste. Invest In a Panasonic or other major brand. You will enjoy the picture a lot more also. Check Fry's or Ebay.

Nov 16, 2013 | Coby TF-DVD7005 Portable DVD Player

1 Answer

I have one bundle of Verbatim blank DVD's with printable surface. When I tried to recode it says " insert blank DVD " or it is ejecting automatically. I tried in different writers with new blank disc ,...


this may sound strange but what is the rom's you are trying to use them on as some rom's will not take 8x recording or R - or + and it will say there is no disk and ejecting the disc. and dvd disc only work with dvd drives designed for instant record. most models take data/dvd disc as it can be formated in both formats to record but dvd is just one setting that most dont have.

Oct 18, 2013 | Verbatim 94889 - Datalifeplus 8XdvdR Media...

1 Answer

I turn the TV on. Then about 3 minutes later the picture goes out but the sound is fine. I turn the TV off, then back on. The picture returns only to cut off againg.This happens when viewing the in TV mode...


When picture goes away do you see the screen still emitting light or does it go completely blank?

Depending on the answer there are two possiblities:

if the screen goes completely blank then the problem is likely in the TV's inverter and more specifically very likely in some of the high-frequency transformers. Best solution there is replacement.
Unfortunately inverters are often on one board with power in smaller TVs.

if the screen is still emitting light albiet being blank then the problem is more likely in the main board and, less often, in a cable.

Main boards often overheat and ICs relying on soldering contact bonds of 1/10 sq.mm. start misbehaving in all kinds of ways , including like you describe.

There's no simple cure for that problem - usually it's cheaper to replace the whole board or even the whole TV than to troubleshoot it.

Perhaps not great news, but that's what I know about it.

Good luck!
Bobby
http://www.coppelltvrepair.com

Jan 23, 2010 | Toshiba 20HLV86 Television

1 Answer

Cannot record sound


Normally every Lap is coming wit internal mic; so

1- Simply check your mic is mute or not

2 - Check your mic volume

3 - Use sound recorder that comings with windows (just record & play)

4 - Use an external MIC (known as working) with sound recorder

5 - Check in control panel->sound and audio device --> default recording device and Voice recoding device as your system’s built-in audio device (some times it’s changing when we installing b-tooth deice)

6 - Check device manager --> under sound audio controller for any issues

7 – Uninstall & install completely your Audio Device driver with default settings.

** If you didn’t solve your prob; my advice is take your lap to a good technician with component level Repair skills.

Thank you & Best Regards
Dinu..

Dec 20, 2008 | Toshiba Satellite A215-S4697 Notebook PC

2 Answers

Sound and No Picture Blank Screen


the board that runs the tubes may be bad or you have a loose connection somewhere

Sep 10, 2008 | Akai PT5598HD 55" Rear Projection...

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