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Re: Yamaha Receiver loses audio when changing DTV...
I believe changing stations is triggering the protection on receiver. When you go to another input and back you give time for the protection circuitry to release speakers again. Try muting your receiver before changing channels. Good luck!
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Last update: 05/02/2008
Connect the audio outputs jacks from the TV to any available audio input terminals on the Yamaha receiver, other than the phono input. You can use any analog audio Left (White) and Right (Red) inputs on your receiver such as the DTV/CBL, SAT or VCR input. There are no special settings needed on the receiver, other than selecting the correct input. There may be some settings that will need to be changed on the TV. Consult the TV ownersEmanual for setting up the TV to output audio to an external source. If youre TV has a digital output (Optical or Coaxial) it can also be run to one of the digital inputs on the Yamaha receiver, such as DTV/CBL or DVD. There may be some settings that will need to be changed on your TV. As always, consult the TV ownersEmanual for setting up the TV to output digital audio to an external source.
NOTE: When the source of the audio signal is coming from an HDMI device connected to the TV, the TV may not output in 5.1 surround sound.
In order for you to be able to have a different audio source from your video, i.e.; have "radio sound" instead of "video game sound", you have to connect your HDMI cables from the game console directly to the TV/Monitor.
The reason for this is that video and audio are carried simultaneously over a single connection on HDMI. If you make your HDMI connections through a receiver to a monitor, whenever you change your input to the radio you also lose your video game picture.
So to summarize;
Power off your receiver and game console.
Disconnect your game console HDMI cable from the receiver.
Reconnect the HDMI cable to the TV.
Turn on the TV, then the receiver, then your game console. Then change your receiver input to the radio.
You have to configure your DTV input to use optical audio instead of analog dtv audio (red/white plugs). Input assignment should be described in the manual. Come back to me if you have still problems with it.
If you are not getting sound on "Any" input except "multi channel" you have a bad DSP chip in the receiver.In short, you need a new receiver, it's a 500.00 repair. If you get sound on "All" inputs except "DTV/CBL" You need to get into the main menu of the Yamaha and select audio, toggle to input, then DTV/CBL and select "Auto". If you still do not get audio, it would be due to the version of HDMI software in your receiver. If it's under warranty, Yamaha will update hardware and software for you at N/C. If it's out of warranty, use digital coaxial or optical as your audio input for TV and run your HDMI directly to the TV. (The repair for this too would run 250-350) I hope I've covered all the possibilities. If you need further help, post a comment and I can help you more.
You will not be able to record local station from a DTV converter connected thru a directv receiver unless there is a a/v input on the directv samsung receiver. Also check the user manual for this receiver if recording from an external source such as a DTV converter box is possible. The answer to seperating the DTV converter box from the directv samsung receiver is possible if your tv has multiple inputs. Try connecting the DTV box to the RF input and the directv samsung box to an a/v input then change inputs using the tv remote. you will need an av cable (yellow/ red/white) for the directv box and a rf jumper cable for the DTV box.
Actually I found in the sound menu on the receiver that there is an input source setting changer for the 3 digital audio inputs. Also you can change the names of the other inputs to match your components needs.
Is Yamaha HTR-640 a receiver? Try HDMI from PS3 to receiver or Sony HDTV. If HDMI from PS3 to receiver the you need and HDMI from receiver to out Sony HDTV. You could connect everything to receiver and HDMI out to HDTV. You can not have an HDMI cable AND an optical cable coming out of the PS3, only one or the other.