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Nathan
Nathan, Installer
Category: TV
Satisfied Customers: 22626
Experience:  Custom home theater installer, authorized dealer top brands.
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My tv power on have no sound black screen wh

Customer Question

My tv power on have no sound black screen wh
Submitted: 1 year ago.
Category: TV
Expert:  Nathan replied 1 year ago.

Hello, I’m Nathan, and I’ll be assisting you today. My livelihood depends on your positive feedback, so your satisfaction is my highest priority.

Sorry to hear you’re having trouble.

Can you see the on screen setup menu at all?
Is the screen lit/glowing, or entirely flat black, as if powered off?

Customer: replied 1 year ago.
Is flat black
Customer: replied 1 year ago.
Green light on but the screen is black
Customer: replied 1 year ago.
Are you there
Expert:  Nathan replied 1 year ago.

Yes, I"m here.

Please reply only once. When you send multiple replies they all get pushed down the queue and it takes me even longer to get them.

Expert:  Nathan replied 1 year ago.

Unfortunately, the issues you are experiencing are symptomatic of an internal hardware defect, often 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 2007 model tv, that type of failure wouldn’t be surprising.

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 tv

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 would require dismantling the set (removing the back panel of the tv), diagnostics with a digital multimeter to test voltages inside, changing out boards as needed, and possibly desoldering/removing and soldering/replacing capacitors (a common failure point).

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/type however, repairs are typically not feasible. You can get a brand new and updated LED tv with a fresh warranty of this size in the $400 range which is more practical in the long run.

Depending how you’d like to proceed here, I can help with finding parts, finding a repair shop, or recommending replacement options. Just let me know.

Best regards, ***** ***** for the news,

Nathan