Question about JVC AV-48P575 48" Rear Projection HDTV-Ready Television

2 Answers

2 problems- 1-gasket is hanging loose on top of protection screen. 2- TV goes blank and I lose the picture and sound only on some channels at 9:00pm every night

I don't know how to get the protective screen off so I can re-affix the gasket. Also,I don't know if it's cable or the TV that's causing the screen to go blank (no picture, no sound) for about 1 minute every night at 9:00pm. It only happens on certain channels (maybe 6 channels) and only if I happen to be watching those channels at 9:00pm. If I'm on any channels other than these, it doesn't happen.

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  • keaghan Dec 15, 2007

    We have the a problem with a gasket hanging in the screen from the inside..can you send us infomation or the manual to fix the problem..Our Tv is still under warranty and the repair man needs a manual to investigate before attempting to fix...

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2 Answers

Unscrew the screws along the sides and top at back. gently lower screen forward and look inside--you should see the gasket--reattach it or remove it...I just removed it after staring at it for a year or more

Posted on Feb 17, 2008

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Might be a broadcast switch over.normally at the tranmitting station.

Posted on Sep 10, 2007

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No video at all!


I recommend you switch from using HDMI cables to using component (R/G/B RCA-style) cables. HD picture is superior through component cabling, and solves several HD picture issues, including HDCP (High Def Copy Protection) through HDMI issue. Component cabling should eliminate this problem.

I hope that helps.
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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.

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1 Answer

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