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My plasma ultravision 55HDT52 was fine when last turned off.

My plasma ultravision 55HDT52...

My plasma ultravision 55HDT52 was fine when last turned off. Now it will not come on--no video--just black screen and intermittent audio. Same with or without cable connected. Have tried rebooting several times with same result. App 10 yrs. old. Is it fixable and is it worth It?

Technician's Assistant: What's the exact make and model of your television? And what have you tried as far as getting this connected goes?

Hitachi 55HDT52. Can't get behind it for more info. Have tried all manual solutions, including checking connections. No video--screen black as if turned off.

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

No screen to check anything. It doesn't come on at all--neither remote or power button.

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

Two days. Nothing happened--just turned off and will not turn on.

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

That's all I know

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Answered in 57 minutes by:
11/14/2017
Nathan
Nathan, Installer
Category: TV
Satisfied Customers: 28,038
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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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 2006 model tv, that type of failure wouldn’t be surprising. This tv is over doulbe its service life at this point and plasma technology is long obsolete.

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 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

Nathan
Nathan, Installer
Category: TV
Satisfied Customers: 28,038
Experience: Custom home theater installer, authorized dealer top brands.
Verified
Nathan and 87 other TV Specialists are ready to help you
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Customer reply replied 3 months ago
Thanks for your reply confirming what I expected. Time to purchase a new TV.

You're very welcome!

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Nathan
Nathan
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Category: TV
Satisfied Customers: 28,038
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Experience: Custom home theater installer, authorized dealer top brands.

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