Question about Philips 30PF9946 30 in. HD-Ready Plasma Television

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HDMI quit working

I use this tv for a PC monitor, HD satellite viewing, and XBOX 360. I was having intermittent problems with the HDMI audio bleeding in to the other inputs. Sometimes if for instance I turned on the PC, I could hear the audio from the HDMI output on the satellite receiver through the TV speakers. Other times, I might just hear a crackle in the audio when in PC mode. If I switched back and forth between HDMI and PC inputs a couple of times, both issues would go away. I tell this just as background to what happened next. Since I have my PC hooked to the VGA input on the TV, I have been forced to manually switch the HDMI input from the Satellite receiver to my XBOX 360. (Sorry, I was too cheap to buy the $100 switch). Anyway, I usuall make this switch hot (TV on, Satellite receiver on, but XBOX off. This system although a pain, was working until yesterday. I was watching HD satellite, when I decided to play XBOX. I switched the HDMI cable, but when I turned the XBOX on, it wouldn't start up. I immediately assumed my XBOX had crapped out , but when I switche the HDMI cable back to the satellite, the TV would not recognize the signal. I have since tried the XBOX and satellite on another tv with HDMI, and both still work fine. I am thinking that some sort of switch in the tv has gone out, but I don't know. Should I just junk this TV for a new 1080P? My problem with doing that is that I use PIP with the PC on one side, and HDMI on the other. This tv does that, but I can't find another tv that does.

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5 Suggested Answers

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SOURCE: Phillips hdtv

if the cable box is sending in 1080 signal the tv will not be able to format to a 480 (you can switch to either/or)
the problem you have is if your not sending 1080 to the tv your not really watching HD but you cant strech the 4:3 (non HD channels) to the 16:9
the only thing you can do is run analog signal and a digital signal then switch between the two sorces for your HD and non HD programs

Posted on Mar 12, 2008

  • 1077 Answers

SOURCE: HDMI Input only reads Digital TV and not PS3 or AV Receiver

Well, I won't take the credit of others. Many people have the same problem as you do.
In the search box on the top of this page, put in " PS3 HDMI ". The one that has the 10 solutions so far has the best answers for you.
Good Luck

Posted on Feb 16, 2009

  • 2 Answers

SOURCE: My philips lcd tv is switching inputs/channels by

tv key pad section complind

Posted on Feb 13, 2010

  • 2335 Answers

SOURCE: Philips 52'' LCD HDTV. Has PC Input Issue.

My sony lcd works fantastic with my ATI video card; the 1080 looks superb.
I use the DVI to HDMI converter on the PC as well.
I wasn't able to get audio from the PC to the AV receiver via HDMI, but apparently my pc's internal audio chipset has a component that conflicts with ATI's HDMI Audio Out drivers. Still, I do get the Dolby Digital through digital PCM cable though, - but I digress.

I have read all your comments, and would have suggested you have a bad DVI/HDMI converter, except you said that it works in safe mode, which means that everything can work - the configuration just needs tweaking.

My first gut reaction is that you might review your ati catalyst settings, (and eventually your resolution settings and refresh rate. Unplug your connection from the computer to the TV. Load up your Catalyst Control Center, and get yourself out of the dumbed down options into 'Advanced View'. Plug your TV in. Does Catalyst detect it? Does your windows device manager detect it as a display? Catalyst ought to see it as an 'attached display currently disabled.' If so, drag it from the 'disabled' area to the 'Desktop 2' area. You will need to decide if you'll be running this display as a second screen (extended desktop) or a clone of your pc's monitor.

To spur Catalyst along with finding your TV, there is a Detect Display button under the representation of the two screens (labeled 1 & 2). Additionally, you may need to right click on the the #2 monitor icon and select 'Enable'.

I'd like to help solve your home theater issues, so let me know your results from these steps, and I will take your further down the troubleshooting path as required.

I hope that helps.

Start low and work your way up to where you'd like to be. (640x
One thing to consider is 'What is different when I load my windows in Safe mode?"

Is the PC loading at a

Posted on Feb 17, 2010

  • 17 Answers

SOURCE: lose sound on phillips hdtv unless xbox360 is turned on

Common short the cover cap over the video & sound boards short out if you remove it the cap only (shield metal) it usually will fix this

Posted on May 13, 2010

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