Question about Panasonic VIERA TH-65PV500 65 in. Plasma Television

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Panasonic th-42px80u screen is completely green when using HDMI input (as usual). Just happened today and TV is 16 months old with no issues until today. Suggestions?

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Ur backlight video board begining to have problem.When it complely green or no video picture the backlight video board it dead.

Posted on Dec 10, 2009

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1 Answer

Green and black screen when I use turn Direct TV box


Try changing the input device to something you are sure, works such as a DVD player.

Switch off TV manually, switch off power, remove plug and retry after 48 hours.

If problem persists, please refer it to a qualified service technician.

Aug 02, 2012 | Panasonic Viera TH-42PX80U Plasma TV

2 Answers

Can i connect my panasonic viera th-42px8ou plasma tv,to my vista desk top? my tv has hdmi on it,my vista tower also says it has 1 hdmi connector on the back of it


You can buy an HDMI to DVI adapter (around 20$) to connect your HDMI computer cable to your TV. You will need separates audios cables, right and left, to bring the sound to the TV.

Dec 28, 2010 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

Panasonic TH-46PZ85U Plasma TV All 3 HDMI was working fine with cable box, PS3, XBOX360. I used to connect my pc to the tv with a dvi-hdmi cable, but recently unplugged it. So I tried to plug in the same...


Symptom:
TV shuts off unless all the input (phono and HDMI) cables are disconnected. The
symptom may be intermittent.
Cause:
There is an abnormal AC voltage entering the TV from one of the input cables or AC
outlet.
Remedy:
Follow the Testing procedure to determine if there is a problem external to the product.

Concept
Constant symptom
If the TV no longer shuts off when all input cables are disconnected, then one of the
input cables is introducing abnormal voltages into the TV. Panasonic Plasma TV sets
have 3 wire AC plugs.
As a result, abnormal voltages introduced into this TV will cause the TV to shut off for
protection.
Intermittent symptom
If the abnormal input voltage is borderline (marginal), the TV shut off symptom may be
intermittent. However the cause may still be detectable with a voltmeter.
Protection Proof:
Release the protect mode - the TV has to be unplugged to reset this protection circuit.

Threats from the HDMI input:
Excessive voltage from an HDMI cable connected product will activate the Plasma TV’s
protection circuitry. Placing an isolating / buffering connector (sometimes called a voltage
conditioner) between the TV and the HDMI input cable often solves the problem.
Testing -
Unplug all the HDMI inputs from the TV. Turn on the TV. Plug in the HDMI inputs one at a
time. The cable that causes the TV to enter the protection state is connected to the product
that has the excessive voltage (and signal). Avoid connecting this product until an isolating
connector is found.

Jan 27, 2010 | Panasonic Viera TH-46PZ85U Plasma TV

2 Answers

HDMI inputs are not working


As crcelect suggests you can run the TV on RCA. You should also be able to use coax directly from your cable box. If you don't have cable you can use an rf converter to connect coax.
I have exactly the same problem with my Panasonic TH-42PX75U. I've been told that I may need to run a setup on my cable box to fix the problem. If I find a solution I'll provide details in a future post.

Nov 01, 2009 | Panasonic Viera TH-42PX80U Plasma TV

2 Answers

TH-42PX80U JUST TURNED ITSELF OFF


The 7 blinks indicates that a failure has happened within the Y main and the upper and lower y drive panels. I recommend you taking it in to a Service center for and evaluation.

May 23, 2009 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

Panasonic th-42px60u plasma tv not turning on


Power LED on front panel blinks several times, there is a delay, then repeats. After fiddling and fuming (mostly fuming) I found that changing the input signal source allowed the TV to be turned on. When I changed the input signal source back everything was ok.

In other words...

My TV is connected to my PC's video card via an HDMI connector. My card has 2 HDMI connectors. I moved the connector (the part that comes from my computer) from one HDMI out to the other. The screen powered up. When I changed the connector back to the original HDMI out I got my display back.

So yeah, try changing your input signal source. If you're using cable try switching to your Xbox/PS3/whatever, or vice versa. If you only have one possible signal source then I have no clue.

It's almost like the TV doesn't get any signal from the current cable then goes into sleep mode until it gets another signal. My problem had to do with me changing a bunch of sleep/timeout/screensaver settings on my TV/comp.

Hope this helps someone.

Dec 30, 2008 | Panasonic TH-42PX60U Television

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