All questions need 'make model (what is is)' as first 3 words in every question please.
Television? Stereo? Sound bar? ICE?
The grinding noise makes me think you have a cooling fan issue, in which case the flashing LED would be signaling an overheat situation.
You can Google
sony model blink codes
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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Unlock procedure and to override the password lock to many popular brand TVs are given.
Question edited for clarity and add CAPS.
To update the software, it has to be connected to the Internet, and it sounds like there is no internet connection via the television, so it is looking for a USB Cable to a computer.
https://www.google.com/search?q=ematic+at103b+update+the+software+version
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https://www.justanswer.com > Ford Repair
Jun 10, 2007 - I need the wiring diagram for the factory radio on a 2005 GMC/Yukon - Answered by a verified Ford Mechanic.
1 answer · Top answer: Hi, beloware the diagrams, I had to break them up being they were so big, thanks ...
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55 Luxury 2004 Gmc Yukon Bose Radio Wiring Diagram- Car radio installation trimmings comprise of harness adapters leads, fascia adapters, ...
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Feb 17, 2015 - I need the wire diagram for 04 Yukon with the Bose system the pin lay out that plugs in the back of the radio. Share this conversation.
1 answer · Top answer: Gary : Welcome! My name is ***** ***** I will do my best to assist you with this problem. ...
philips tv's test them selves when turned on if something is wrong it shuts down you need a tech to determine your problem more than likely it is you power supply