I have bright blue patches at the left edge of my TV, that comes and goes. This just started happening and I've had the TV for only 14 months. It's annoying because I've had my Sony Trinitron for over 25 years and it still works fine.
Re: blue patches on the left edge of my Plasma tv.
I'm experiencing the same problem. I just called Costco, since it's where I bought it from, and I was told to unplug it, press and hold the power button for a minute, then plug it back in (TV will turn on by itself, and then turn off again) now turn it back on, and see if the problem has gone away.
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Actually it would be more of a matter of how to connect your TV to your receiver. On the Television there will be a red and white connector that says "Audio Out"
The sound goes from your TV through a "patch cord" The regular RCA type cable with red and white connectors.
On the back of your receiver you will see connectors. Several of them are inputs. You could plug your TV into one of those... make sure you select that particular input on the front panel. Aux, Sat, Tape In, all will work, just select the one that you plugged the cable into. That should at least allow the TV sound come from your receiver.
Plug the TV to an open channel on your receiver via this output: *Rear, 1 x Digital audio output (coaxial) ( TOSLINK ) This will look like a single RCA output plug. Set that input channel on your receiver to some sort of virtual surround mode because it doesn't look like your HDTV has a decoder in it (meaning it will come out stereo and the receiver will have to fake it). Turn the volume all the way down on the TV and use the receiver to control TV volume just as you do with DVDs.
*Substitute this with the digital audio output on your set top box if you are sending video only to the TV from the set top box (component, DVI or s-video connections). So video goes to the TV, audio to the receiver.
I had this problem. If you are saying it happened on your plasma screen rather than the receiver box, then the problem can be that the power source inside the plasma needs to be replaced.But Philips will charge a fortune for just looking at the TV. So you might as well take it to your local repair shop.
I have found this on a site and am in the proccess of trying to mend my plasma PF9964 as it started to take longer and longer until it stopped coming on. I've got the back off so I just need to un solder capacitors and replace.
Here's the info I found.
Bad power switch circuit
If you have this problem with your Philips 32PF9964: When I switch the TV on, it appears as though it is going to start i.e the green light comes on, then after about 10 seconds it switches itself off and the standby light flashes red. It takes 10 /12 times before it starts and is getting worse.
This is the solution:
The problem is three caps.
Change the cap 2663, 2664 both 100µ/25V
and 2662,1000µ/25V. After you have changed them your TV will work again.
You will find them easy if you unscrew the back on the plasma TV.