Question about Vizio VO47L 47 in. LCD TV

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I have vizio sv470m and all of the 4 hdmi plugs stopped working one at a time.

I have my cable box hooked up to the Hdmi plugs on the TV. It would thunder and It would lose signal. I would move the wire to another HDMI plug and it would work fine till it would storm and the HDMI plug would go dead till all 4 were Dead. The thunder was not even close or knock the power out.

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  • Paul Webber Oct 23, 2012

    I had same problem with my E470VL.. Replaced reciever and HDMI cable did not fix it. Tv works with other connections.  Hope there is a fix.

  • Gary Bentley Sr.
    Gary Bentley Sr. Oct 27, 2018

    No body is telling me the f i x

  • Gary Bentley Sr.
    Gary Bentley Sr. Oct 27, 2018

    Same problem paul weber

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  • Vizio Master
  • 10,543 Answers

Power doesn't have to be knocked out for a cable box to destroy the HDMI ports on a TV. Thunder miles away will put voltage spikes on the cable system which in turn trashes the main board in the TV. You can get parts for your TV here: TV Parts Universal TV Stands DLP Chips ShopJimmy

Posted on Jan 30, 2018

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5 Suggested Answers

Anonymous

  • 56 Answers

SOURCE: Vizio Model#:L37HDTV10A

Is the HDMI port 2 work? Try to turn it off and turn it back on. If it is still not working then the HDMI ports have gone bad. You will need to replace the main board.

Posted on May 12, 2009

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Anonymous

  • 1077 Answers

SOURCE: 50" Vizio Plasma reads "No Signal" on all inputs?

Well, your TV is still under warranty. That's the good part.
The only thing I can recommend without voiding the warranty is leaving the TV unplugged for 30min. That way, the TV can reset itself and hopefully correct the problem.

If that doesn't solve the problem, it's time to use the VIZIO warranty.
Here's contact info if you need it.

Technical Support
Toll-Free: 877.698.4946
(877 MY V I Z I O)
Technical Assistance Emails:
techsupport@vizio.com
Customer Service
Toll-Free:888.849.4623
(888 VIZIO CE)

Posted on Jun 17, 2009

Chi Chu

  • 8457 Answers

SOURCE: My Vizio VX20L Flat HDMI TV shows

Tries change another HDMI cable,reset all HDMI setting to reset factory setting.

Posted on Nov 10, 2009

FixinFax

Leroy Elliott

  • 3085 Answers

SOURCE: Purchased and set up both Vizio SV370XVT HDTV and

Try setting your cable box for Closed Captioning. Worked for me.

Posted on Jan 21, 2010

JT92677

Jeff Towle

  • 14 Answers

SOURCE: I have a VIZIO LED/LCD VF551XVT hooked up to a

I have the same set, same problem with one of my MOTOROLA boxes, but not with another. I have a SONY TV that works fine with this new MOTO box, but the new VIZIO does not. The audio is coming through the HDMI cable just fine, and the fact that it works when you cycle power on your TV means it's the SYNC between the TV and the BOX. I have the identical problem and am taking back the MOTO box for another one. I spoke to VIZIO for about 45 minutes trying different things. They think it's the MOTOROLA box, COX (my cable company) thinks it's this particular box, who knows.

Posted on Feb 04, 2010

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