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No volume Re Samsung 1080i rear projection tv.   There is no volume on all but 1 tv channel but the sound also works perfectly on the dvd. Was changing channels with the tv remote accidentally (only had the tv 2 weeks) and then realised and changed to STB remote with the result no sound on other channels

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Re: no volume

Normally when you have only one channel with audio the cause is usually SAP is turned on, either on the television or the cable or Sat elite box.
If you were pushing buttons on the remote, I would suggest that the SAP button is on the remote.
On a Samsung remote, the MTS button identifies this function. It may be labeled stereo.
Make sure the remote is in the TV mode to change or check on the TV.
It may also be a button on the remote for the Cable or Sat elite box. If not then you may have to search in the menu's of the Television or the boxes.
If the set is only two weeks old (the actual set, not how long you have owned it) then it probably has an ATSC turner labeled Air that will receive local HD by using rabbit ears. If the set is over 3 years old, it will not have this feature.
It's difficult to give a full de script explanation of a solution without knowing the model or configuration of the input signal.
If this does not help, respond to this post and I will reply.

Posted on Nov 18, 2007

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sounds like a scaler problem.
hd bypasses the scaler, any non hd will be bad, try other stuff like dvd and video games. if its consistent, you need a new digital main pcb

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Have a samsung projection hd tv monitor 1080i auto perfect focus tv....that's what it says on the tv front. my grandson came by and he's 1 and pushed the video/tv button, now i tried to turn my tv on and...

This is the best solution for your problem as a 40 year experience with wires etc. Go to the source of your cable signal connector . Open it and clean the terminals with emery paper , sand the end of the cable shiny clean from corrosion , get a new barrel connectors with gold terminals if possible lengthen the ends of the cable , insert and tighten good, use thick rg-16 or rg 40 cable with good insulation ends crimped professionally with a crimpier or buy ready made , not from dollar store. Get a gold plated professional splitter if you need one or two , it will cost about 15 or more each . Make the cable runs as short as possible, using the thick good cables. If needed get a signal magnifier. From radio shack or the source etc. Connect them good and tight . Ground the splitters . Problem solved , you will get crystal clear channel 2 to 7 including 3 and 4 . Isolate the TV cable from other cables and power wires. Vitally

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Satellite input

Most tv setups require that you change the input source to gain the ability to watch the proper peripheral e.g. if satellite is connected on video one and the dvd is connected to the tv on another input such as video 2.

If the satellite runs into the dvd unit and from there the dvd is connected to tv you may have to power off or on the dvd player to resolve conflict.

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