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I have a Panasonic 1080p led lcd tv n i will not stay on,i…

Customer Question
I have a Panasonic...

I have a Panasonic 1080p led lcd tv n i will not stay on,i press the power button and it will cut on but shortly would cut off

Technician's Assistant: What's the model number of your TV? How old is it?

Tc-55as680u

Technician's Assistant: Does the TV menu work? Do you have the same problem on all sources/inputs?

The tv wont stay on long enough for me to get to the menu screen

Technician's Assistant: How long has this been an issue? What happened right before this popped up?

It started about a week ago but the 3x it happened i was able to get it to stay on again

Technician's Assistant: Anything else you want the Expert to know before I connect you?

No not really,i only had this tv for like 2-3yrs

Submitted: 8 months ago.Category: TV
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Answered in 45 minutes by:
9/19/2017
TV Technician: Nathan, Installer replied 8 months ago
Nathan
Nathan, Installer
Category: TV
Satisfied Customers: 29,610
Experience: Custom home theater installer, authorized dealer top brands.
Verified

Hi, I'm Nathan.
Sorry to hear that you're having trouble, but I'll do my best to help you. Please give me a few moments to review and reply.

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TV Technician: Nathan, Installer replied 8 months ago

Unfortunately, the issues you are experiencing are symptomatic of an internal hardware defect, meaning a faulty power supply or main/control board, though there are many possible failure points. This issue could be a manufacturing defect, but is also often caused by a power event (shock/surge, prolonged over/under voltage condition, etc).

This could also be the result of age related wear and tear; as a 2014 model tv, that type of failure wouldn’t be surprising; this type of board failure is common (on all brands) after a few years.

There is one step you can take here, both as a possible fix, as well as a diagnostic evaluation:
1) Unplug the power cord from the outlet

2) Wait at least 1 hour (60+ Minutes)

3) Press and hold the power button (on the set, not the remote) for 60 seconds
4) Keep holding power button while plugging back in, and for another 60 seconds after. When plugging back in, go directly to the wall outlet, bypassing any power strips or surge protectors.

If this reset process does not work, it would unfortunately confirm an internal hardware failure.

This is something that would require repairs to correct; if you're thinking about a do it yourself repair, you'll need to be comfortable and skilled with electronics repairs, which could include dismantling the set (removing the back panel of the tv), diagnostics testing with a multimeter, changing out boards as needed, and possibly desoldering/removing and soldering/replacing individual components.

If you’re considering repair at a local shop, you’ll find a typical repair to be around $300 for diagnostics, parts, and labor.

For a tv of this size/age however, replacement will make more sense. You can get a brand new 4k LED tv with a fresh warranty in the $500 range.

I can help you with finding parts, finding a repair shop, or recommending replacement options, if desired.

My apologies for the news,

Nathan

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TV Technician: Nathan, Installer replied 8 months ago

Hello, it appears your question is still open.

Do you need more help with this?
If so, just reply back on this page. If I’ve answered your question, please let me know you are satisfied, to conclude our session – this is the only way I am credited for my work as an independent technician.

Please note: You have already paid your fee to the site; I'd like to help you and provide value for that fee, but I do need to communicate with you here to do so, if more help is needed.

Nathan

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Satisfied Customers: 29,610
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Experience: Custom home theater installer, authorized dealer top brands.

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