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When comcast connected the chanel on my 47 inch the sound…

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When comcast connected the chanel...
When comcast connected the chanel on my 47 inch the sound came on but screen remained black is there a reset button on TV that might correct this? TV is only 12 months old.
Submitted: 1 year ago.Category: TV
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Answered in 30 minutes by:
7/30/2017
TV Technician: Shahid, Technician replied 1 year ago
Shahid
Shahid, Technician
Category: TV
Satisfied Customers: 13,472
Experience: I have been repairing electronic gear since 1993 as a qualified Sony tech
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Hi, my name is ***** ***** I will do my best to help you today. To make sure I don’t miss anything, please give me a minute to review your question.

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TV Technician: Shahid, Technician replied 1 year ago

- Does the screen show any graphics/ input source select screen when press input button on TV remote?

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Customer reply replied 1 year ago
No it is just a black screen. You can hear the sound but the screen stays black. Comcast checked the TV and said it had nothing to do with their hookup.
TV Technician: Shahid, Technician replied 1 year ago

OK - Could you please get me the complete model number written on back cover or side panel of TV?

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