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We have an RCA LE55C55 tv. Hung on the wall, comcast did…

We have an RCA...

We have an RCA LE55C55 tv. Hung on the wall, comcast did connect and confirm their box is working. Remote will turn the tv on and off. However, the buttons on the side of the right hand side of the tv don't work, except for power. When it is turned on a Box appears upper right that says A-4 AIR. I can't get the input to work, volume buttons..is there a way to hard reset the buttons on the tv? They did work but then the installer got frustrated, so I don't know if buttons were pushed, or what. Is there any kind of reset?

Technician's Assistant: Is your LE55C55 connected to a surge protector or power strip?

Yes, I already unplugged it and tried it that way.

Technician's Assistant: Have you tried to power reset your TV (unplugging the power for 1-2 minutes, then plugging it back in)?

Yes

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Answered in 5 minutes by:
3/27/2018
Nathan
Nathan, Installer
Category: TV
Satisfied Customers: 30,724
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 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 for this brand. These are some of the lowest quality tvs on the market. They are built to meet a certain price point, not for quality or reliability. It is completely normal and expected to see them last just a year or so at best.

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 brand/age however, replacement will make more sense. You can get a brand new 4k LED tv with a fresh warranty, from a more reputable brand, 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: 30,724
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
That's what I kind of thought. We are home builders and it was just to hang on a wall at the model home. Thank you so much.

You're very welcome!

If replacing, I recommend sticking to the name brands, which tend to be the most reliable, such as LG, Panasonic, and Samsung, for example: http://amzn.to/2CxVZhP

The “off brand” sets just aren’t worth the savings, they have high failure rates and are poorly supported if parts/repairs are ever needed.

If you happen to be a costco member (or know someone who is) I'd suggest buying it there. They tend to have very good pricing to begin with, but will also double the factory warranty to 2 years instead of 1, and they have a square trade extended warranty you can buy up to an extra 5 years for $50 or so which is well worth it.

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