Re: Panasonic 42 Plasma no audio no video

I have been searching the internet for the board but all sites show it as out of stock including Shopjimmy. In the mean time I am l trying to find out how to be sure it is the "A" board.

Since I am not getting any A/V I imagine doing a Hard Reset would not do anything?

Some people said they replaced the "A" board and after a couple of months it goes out again. I am also thinking of just replacing the TV and parting out this TV. I do not know who would buy these 4+ year old parts (although little...

Re: Panasonic 42 Plasma no audio no video

Attached is a picture of the A board ID# which is TNPH0716 followed by a "3" in a circle then an "A" in a square with the letters "PbF" in an oval shaped like a lemon above the board ID. DO I need to find a board with the exact numbers/letters?...

Re: Panasonic 42 Plasma no audio no video

My A board is a little physically different from the A board in the picture in the downloaded service manual from [url]http://www.toms-service-manuals.com/index.php[/url]. If I am to replace the A board what/where are the identifying numbers on my a board that I would need to get the correct replacement. And Do you have any suggestions where to find a replacement board.Re: Panasonic 42 Plasma no audio no ...ce manual from

I just started a thread titled "Panasonic 42 Plasma no audio no video". You seem to be extremely knowledgeable and it would be great if you could let me know your thoughts of the problem. Thanks. ZZZBruce

Panasonic Plasma 42" no audio no video. Dated November 2008, Model#TH42PX80U. When A/C is connected the relays click and the red led on lower right corner of “A” board goes on and after a few seconds relay again clicks and red led goes out. When front on/off button is depressed relays click and green leds on SS and SC boards go on, front screen slightly lightens and and front red led goes on. Front red led does not blink. Afterwords, about every 10 minutes the relays will clink with no change--no audio/video. To stop clinking TV must be unplugged. I downloaded the service manual from...

I have a Panasonic Plasma 42 in that has no audio or video. It is dated Nov 2008, Model#TH42PX80U. When A/C is connected the relays click and red led on lower right corner of “A” board goes on. After a few seconds relay again clicks and red led goes out. When front on button is depressed relays click and green leds on SS and SC boards go on, front screen slightly lightens and front red led goes on. Front red led does not blink. Afterwords, the relays will click with no change--no sound no picture & click every 10 minutes until I unplug TV. I downloaded the service manual from your...

Re: New Members - please post your introductions here

Although I have a AA degree in electronics, I have not worked in the field for years but like to to repair things electronic or anything mechanical. I joined this forum to see what it is all about and if I could get assistance in getting our Panasonic Plasma 42 inch working. It is dated November 2008, Model#TH42PX80U. It has no picture or sound. When A/C is connected the relays click and the red led on lower right corner of “A” board goes on and after a few seconds relay again clicks and red led goes out. When front on/off...

Re: New Members - please post your introductions here

Although I have a AA degree in electronics, I have not worked in the field for years but like to to repair things electronic or anything mechanical. I joined this forum to see if I could get assistance in getting our Panasonic Plasma 42 inch working. It is dated November 2008, Model#TH42PX80U. It has no picture or sound. When A/C is connected the relays click and the red led on lower right corner of “A” board goes on and after a few seconds relay again clicks and red led goes out. When front on/off button is depressed relays...