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Philips 30PF9946 30 in. HDTV-Ready Plasma Television
Problem for Philips 30PF9946 30 in. HDTV-Ready Plasma Television

Black screen with sound. Problem on every channel.




By berlee on Aug 18, 2007

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The TV worked fine when we went to bed. In the morning it turned on with a black screen and had sound. We have checked all the cable connections (We have cable fine on our other TV). We have tried to pushing different buttons on our remote as suggested by the usuers manual (this did create our sound to go off since we could not see what results we were getting from pushing these buttons). We have been told that plasma TVs have a life of only so many viewing hours, and ours may have just died. Our TV is over two years old.

Same Problem

Feb 26, 2009

-   TV wen black, but has sound.  It is only 4 years old.-   shorethings

Feb 04, 2009

-   Exactly like everyone else has described. The thing is this TV has worked perfectly for over 3 years - at least in this regard. It's February here in Sydney Australia and the weather is hot and humid. I suspect the humidity may be causing the behaviour and by the sounds of things, a repair man may not be able to fix this.-   sdowse

Aug 05, 2008

-   Same issue, 3 years old with black screen with sound - weather is hot currently which may be contributing
will try to contact philips -   Guest

Apr 19, 2008

-   I have the same tv my screen works for about 5 mins then goes black, the sound is fine, if I switch the tv off for a few secs it will work again for 5 mins then again it will go black.
very annoying
-   bighairy

Feb 24, 2008

-   Black screen with sound-   Guest

Best Solution

posted on Feb 18, 2008
Helpful)

pdpmaster

Rank: Apprentice 
Rating: 92%, 11 votes
If your tv have t296xw01 auo lcd panel the problem is a broken transformer at the inverter boar.
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Solution #2

posted on May 16, 2009
Not Rated)

lchango1

Rank: Apprentice 
Rating: 0%, 0 votes
Sound no picture or shut down Power led starts green then a short amber then turns RED . If your power supply can be confirmed to be go you have a bad Inverter board. Per the manufacture this part comes only with the panel . Not cost effective . But if you go to
lcdparts.net you will locate an inverter for $ 169.99 . I had the same problem and the inverter repaired the set . Note there are similar error codes but from what I can see from all of your complaint I do be leave that your Inverter is bad . Good luk
Chongo
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Solution #3

posted on Nov 08, 2007
Not Rated)

Terryfic

Rank: Guru  Philips Expert
Rating: 87%, 1703 votes
Has not died = needs repair by qualified tech......
Did you try hard reset by unplugging ac cord for a while?
Next, voltages need to be checked inside TV.........
Let me know where this repair is going........T.
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7 Other Users Have The Same Problem - Continued

Comment by harby72, posted on Feb 18, 2008

One day the picture and sound are fine, then suddenly the screen goes black but I can still hear sound. TV is 3 years old.

Comment by cbyrne, posted on Nov 17, 2007

I've had the same problem for the last 3 years with this TV. It began the day I bought it. I thought I had hooked up the cables incorrectly at first, but that is not the case. 
It seems to be a cold weather or low pressure weather issue. the worst months are October to April. All during the summer months in New York City is operates perfectly. 
The problem for repair is that it is so unpredictable that if you called out a repair person, there is no guarantee you can recreate the issue which is so infuriating! Any clues to what might cause this?
CB NYC area.

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