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Louie, Technician
Category: TV
Satisfied Customers: 2557
Experience:  25+ yrs. experience in the field and 5+ yrs. online, down to component level.
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I have a TH_50PX500U. About 7 years, What happened I was

Customer Question

I have a TH_50PX500U.
JA: What's the make/model of your device? How old is it?
Customer: About 7 years
JA: How long has this been going on? What troubleshooting have you tried?
Customer: What happened I was having a problem with Comcast my TV was stuck on one channel, the technician tried re setting the system, that did not work. So she told me to try changing the channel on the tv. When I did that I now have a snowy screen and I can not get my picture back
JA: Anything else you want the electronics expert to know before I connect you?
Customer: No
Submitted: 11 months ago.
Category: TV
Expert:  Jack replied 11 months ago.

Hi , I`m Jack and I will be helping you today
Please note that I am an independent tech. that depends on your positive rating to get paid by this website and I have no control over the phone (or other) offers , they are sent by the website ,not by me but let me know if you`d rather do this on the phone.
That being said , a few questions coming up ;

Is this tv connected to a cable box/converter,satellite receiver,digital converter etc ?
Or directly to antenna/cable from the wall outlet ,no box with its own remote ?

Customer: replied 11 months ago.
I have Comcast cable
Expert:  Jack replied 11 months ago.

Yes but is there a cable box and a cable company remote in this setup or cable straight from the wall outlet ??

Expert:  Jack replied 11 months ago.

Sorry but there was a payment failure on that phone request , although I`m not privy to billing here this usually means your CC company did not recognize the charges and declined them , you would have to contact them to OK the transaction .
But we can continue in this chat mode as well

Expert:  Jack replied 11 months ago.

Hello ??

Expert:  Jack replied 11 months ago.

Just tell me if there is a cable box or not and I`ll tell you what is happening