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HD audio is on but no picture tv says no signal, AV working fine what could be the problem

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  • Brett Duxbury
    Brett Duxbury Dec 21, 2016

    Hi Arthur Fesel, we want to help you with your question, but we need more information from you. Can you please add details in the comment box?
    Is aerial cable connected ?
    Did you use a proper Aerial cable ? or a video cable ? There is a difference in the impedance but they look identical !

  • Arthur Fesel
    Arthur Fesel Dec 22, 2016

    The tv is connected to a HD pvr decoder, the HD picture as been fine since i bought and installed it.after a rather heavy thunder storm (dont know if this is connected) the HD format says no signal, i have lightning safe plugs on all my devices and they seem to be fine. On the decoder menu it also says no signal from my router.

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It might be that your eye on your dish outside is faulty of the heavy weather

Posted on Dec 22, 2016

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Westinghouse ltv 32w4 hdc 32.02 in. hdtv lcd tv / dvd combo

My 42" Westinghouse HDMI inputs just stopped working. I thought it was the TW Explorer 4250HDC issue so I got a new one from TW. Still said no signal from HDMI. So, I shut the TV down and pulled the power cord out of the back. I waited a few seconds and reconnected the pwr cord. The TV "re-booted" so to say and now the HDMI inputs work. I think TVTEK has the right idea that it is firmware/software related. In the mean time, you might want to give that a try.

Posted on Jan 04, 2008

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SOURCE: no sound on the hd setting on my lcd phillips hd tv

look in the owners manual about installing devices or components--- sounds like you have something hooked up wrong that is not allowing the video and sound to work--- if that doesnt work--- try using a combination device and hooking the two items to it--then run that device's wires to the television

Posted on Feb 24, 2009

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SOURCE: Problem with AV Input and TV signal distorted but i know signals are fine from source

change devices to other ports, if you are sure some ports are not working properly then you will need to replace the mainboard.

Posted on May 27, 2009

  • 43 Answers

SOURCE: when i connect cable to the cable tv port the

make sure your cable tv input is set to analog and not digital. In the tv setup you need to select cable and not air.

Posted on Aug 15, 2009

  • 1 Answer

SOURCE: No Audio in my Vizio HD TV

I solved the problem by going into settings. Then audio. I had one of the audio settings turned off

Posted on Oct 06, 2009

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U have audio signal incompatibility. If the audio output is digital it may not work with an analog input, etc.

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Possible that the SIF- sound intermediate frequency section- is faulty.lt must be checked with a audio signal trace from the VIF/SIF sections to the preamplifier.
Since your AV is working and the DVD works fine , this section can be faulty.

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I have a JVC G40 DVD home theater system and when I play DVD's the voice and picture don't match up. Specifically, Peoples lips move and then a second later what they say is heard...how do I fix this?


When viewing on Digital TV:-
Sometimes Audio and Video signal can not be transmitted simultaneously due to additional process time for the video signal compared to that of the audio signal.
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I have a Marantz SR5004 AV Surround Receiver. There is an HDMI cable from the cable box to the Marantz and another from the Marantz to a Samsung HDTV. Everything is fine when the cable box is set to an HD...


Hello First off i would determine if the same thing happens when the cable box is connected directly to the TV with the hdmi cable.

If the picture goes out get a new box from your cable company.

If it works fine then its time to call Marantz

My Denon avr 4310 does a similar thing and after a lot of research it seems that the problem is with how digital signals are sent through the HDMI cable and how the control board of your receiver processes those signals.

Here what I mean

HDMI is meant to simplify connections by transmitting video, audio and CONTROL signals through 1 cable.

The problem becomes when you introduce a "middleman" in this case your receiver the control signal doesn't always get interpreted correctly.

My TV has the capability to "turn off" the "control" signal coming through the cable if yours does try that first (i have a sharp 52" led) this solved some of the issues.

My receiver has the capability to accept different inputs and merge them so here is how I get around the problem.

1. I use HDMI for video signal but also use the optical for audio this allows me to send the "complete" hdmi signal through the receiver and to the TV this complicates things but also allows you to get audio through your tv speakers so if you want to watch something late at night you aren't waking people up when the receiver gets loud. This stopped things like the video flickering or turning off.

You will have to play with your menu's to see if you can do this on your unit.

How to fix this easily? Dump HDMI and use component (red, blue green RCA's) for video yes its still HD and yes you will have to run audio separately. but it eliminates all the digital processing issues that receiver manufacturers haven't worked out.

I was pretty upset when I spent $1500 for my Denon receiver and Denon then told me that HDMI doesn't always make anything better.

Hope that helps





Feb 14, 2010 | Marantz SR5001

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Nintendo Wii AV Cables not work


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Problem with AV Input and TV signal distorted but i know signals are fine from source


change devices to other ports, if you are sure some ports are not working properly then you will need to replace the mainboard.

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No picture or sound on the tv


where you put the cables for the sound and picture if you look on the end where you plug it into the xbox 360 you will see a little switch it has HD and TV on it depending on what your tv supports (HD ready TV) (normal TV) switch that switch to what TV you have (e.g. HD TV, switch the switch to HD) if that doesnt work then try checking that you have all the cables in the right ports if you have pluged the HD cables into a normal TV then this is not going to work, check cables and check the switch!

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