Question about Panasonic Viera TH-42PZ80U Plasma TV

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TV shut off 2 times the first day I bought it

Hi, I just bought th-42pz80u yesterday and last night it shut off 2 times.......then it sounded like it was resetting (click noise) and when we hit the manual power button it turned back on......any ideas? Thanks

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  • shannon98 Jan 25, 2009

    I checked sleep mode and nothing was programmed.....wasn't able to check timer as time had not been set so I don't think that was the problem. tv is near a gas fireplace but not direct heat - do you think it could be a heat sensor thing? ,

  • natou34 Jan 31, 2009

    I have the same problem with my th42pza80u. My dh played with it and was able to turn it back on but when we turn it off it wont go back on the red light continue with the red light flashing 10 times and the worst part is I do not have waranty, any one had this problemand solved it please help

  • harry_tate Feb 02, 2009

    I have the same problem but the set was only 7 days old so still under warranty. Panasonic set me up with a local authorized service person. He called and after listening to my description (10 led blinks) said he would order parts. Took a week for the parts to arrive. They were the wrong parts; seems my set is an "A" varient so he ordered new parts. One more week passed and he said Panasonic had decided to replace the set and he was waiting for them to send him the new set and he would try to get me a loaner. Five days later he brought a loaner and took bad set away. Two+ weeks have now pasted. I'm still waiting for the new TV.

  • Anonymous Mar 02, 2009

    TH-42PX80U has same issue. If the set has HDMI 1 or 2 selected as the input during power-up and the HDMI device is turned on, it trips some kind of breaker and causes the power light to flash 10 times.

    The work-around has been to unplug the HDMI, then push and hold the power button for 10 seconds or so. After the set is powered up, plug the HDMI back in.

  • Dick Fletcher Mar 10, 2009

    tv turns off and power light is on.Turns back on again as if nothing happend......clock and all auto turn off are disabled ?

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Sleep mode or timer? check settings

Posted on Jan 25, 2009

  • shyspeed Jan 25, 2009

    could be an overheat sensor as you suggested.... you fixed it your self !!!! .... :)

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Panasonic tv viera


Check the speaker/s first. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

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Panasonic th-42pz80u...dead set...red LED blinks twice at turn-on...the 15v supply on pin 1 of P7 comes up for a second then shuts down


I'm no expert but I have the same tv I'm trying to fix,different problem from yours.I think you can take a resistance reading from that pin to ground and if there is a short,you can start unplugging different boards and when you have the right one the short will go away,if not its the power supply.Put in a search on google with something like board layout for TH-42PZ80U and click on the link 11th generation and you can tell if I told you right or not

Oct 12, 2011 | Panasonic Viera TH-42PZ80U Plasma TV

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Hi Is it possible for you, send to me the part number of power supply of my Panasonic TV #TH-42PZ80U?


Hi,
You may view the part no. at this LINK. It is advisable to get the actual part no. listed on the power supply board itself because there some version made by the manufacturer.
Hope I helped you.
Have a nice day!
Thanks for using fixya.
Jdvillanueva

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It's called Cyan and it's sound like you are having a problem on your D-board. Look for capacitors bulging out and replace first if not then order D-board

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I have a Panasonic TH-42PZ80U 42" plasma tv I would now like to mount on a wall. I have gotten conflicting information as to whether it is VESA or not. Can you tell me anything about wall mounts for...


Just purchase a mount for 42" and above They come in different styles for your likening and make sure the wall bracket gets mounted into the wall studs and your all set. No major job. I get $150 all day long for those installs.

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How many times is that light blinking? For example a 7 blink error code would blink 7 times pause 7 times etc. What is your's blinking?

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Hold it all day it wont fix it!.Are you sure a Panasonic tech said this?

the problem is an IC chip that is faulty.
The only other possibility is that if you moved the TV recently you may have twisted or jolted one of the ribbon cables loose.

The last problem can be fixed by checking the ribbon cables are all on firmly when you open the panel up.
The first suggestion requires a return for service. If the unit is under warranty claim it now.

Please rate our help to keep the FREE service onlime++++Thanks for using FIXYA

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Service menu codes


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