Panasonic prism ptm4597s

Everything is fixable, but it is a 17 year old set, with old technology. In these days of Internet connectible, Smart televisions with 4K picture quality, you would notice a big difference. I would say you have had your moneys worth out of it. Its up to you, service centre, or a new one.

Panasonic TH-PX77U review - CNET.com

www.cnet.com > reviews > panasonic-viera-th-50px77u...

Apr 12, 2007 - Panasonic's internal menu system is intuitive enough, although we disliked the ease with which you can inadvertently erase your picture settings. With a native resolution of 1,366x768, the Panasonic TH-50PX77U matches the resolution of just about every available 50-inch plasma today.

https://www.fixya.com/support/r29790007-repairing_own_television

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Dear User,
People who have faced such problems have tried sticking th epower plug (Going into the TV) a little harder and the thing never went off again.

If this is not the case, then it could be the cat5 network cable. Try keeping it out and observe.
Let us know further
Regards,
Sid

Plasma screen expired how old is it how many hours function does it have ?

Normally the event that you saw is the power supply. Sometimes it can be a failure on one of the boards that caused the power supply to go in to protect, or be damaged.

You must consider that after about 40,000 to 50,000 hours most electronic devices reach their expected life. There is something called MTBF (mean time between failure). This spec for consumer products is evaluated at normal room temperature of about 72F. A warmer operating environment will reduce the expected MTBF.

As you stated your set is about 2.5 years old. This is before the average MTBF period. Your set must have maybe 25,000 hours at most. I would expect to have a few years more with it.

From my experience when a TV, or appliance, or moist any electronic device has about 5 years of age it should be at its end of life period. At this age of a device investing money to service it has risk something else can fail.

check all the fuses on all the boards there are about 7 of them

My IM600 did the same thing to me, here my solution:
1) Turn offand disconnect power cord
2) Take battery out (2 small screws on the back)
3) Disconnect battery
4) Short circuit all 3 battery terminals (with this you make sure battery is not in a latency/histeresis state)
5) Leave open and disconnected for a couple of hours
6) Assemble all back
7) Turn it on and it works
8) If it doesn't replace battery

THIS SYMTOM MEANS THERES A POWER PROBLEM DEPENDING ON HOW MANY BLINKS WILL TELL YOU WHAT BOARD OR PANEL IS BAD OR NEEDS TO BE CHECKED IT MAY BE A BLOWN FUSE

COUNT THE TIMES IT BLINKs and i can tell you what internal circut board is bad..

vga board is bad ot the components on it are blown out.

Do you have full version off this program or TRIAL V????