Question about Panasonic TH-42PH9UK HD 42 Plasma Display

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HDMI input on Panasonic Plasma display stopped working

Panasonic TY-FB8HM HDMI input module stopped working. Nothing but black screen. Can these be repaired?

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  • Robert Williams Apr 26, 2014

    cahnge the board that the hdmi is connect no choic it is a double surface connection not reparable sotty

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  • Panasonic Master
  • 3,320 Answers

It is the IO board and connector. Take it to a repair shop.

Posted on Apr 21, 2014

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Panasonic TY-FB8HM died


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I would disconnect all power for 5 mins. Remove the module, inspect for overheated (burned,) areas, re-install and try it. Assuming you have not already done so.

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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.

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

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