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I have a panosonic TV, model no ys8540556 wont switch on a…

I have a panosonic...

I have a panosonic TV, model no ys8540556 wont switch on a channel aft er reen light blinks 5 or 6 times only, are they supposed to blink 10 tmes?

Technician's Assistant: What's the make/model of your device? How old is it?

2008 plaza

Technician's Assistant: How long has this been going on? What troubleshooting have you tried?

Blowing out the duct holes with a compressor

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

No just a friendly help thankyou

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Answered in 3 minutes by:
10/23/2017
Nathan
Nathan, Engineer
Category: Consumer Electronics
Satisfied Customers: 30,183
Experience: Engineer
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 your details here.

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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 2008 model tv, that type of failure wouldn’t be surprising. This tv is nearly double 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 $300 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, Engineer
Category: Consumer Electronics
Satisfied Customers: 30,183
Experience: Engineer
Verified
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