I am hooking up a Sony STR-DH700 using HDMI. If I don't plug in the HDMI out cable, I get audio from the speakers. If I plug in the HDMI out, I get no sound and no video. If I plug my ps3 directly to TV, I get video. Any ideas?

Sony STR-K840P Sound center speaker - Questions - Fixya

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... sound from center channel during viewing, or during speaker level test- all other speakers emit tone, but center is dead. I have optical digital cable and hdmi ...

Sony STR-K840P Sound center channel - Questions - Fixya

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... sound from center channel during viewing, or during speaker level test- all other speakers emit tone, but center is dead. I have optical digital cable and hdmi ...

Sony STR-DB940 pulled back from the brink - Page 2 - Badcaps ...

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un plug ac power. then disconnect all the speakers. plug in ac power and turn on. Still in protect? Could be blown amplifier.
Not in protect? one or more of the speakers or speaker wire is shorted

Probably not if it takes RCA input, but the receiver needs to be informed of the sub's presence and hw you want to share low frequencies among the rest of the speakers and itself. Then you need to set the relative levels using test tones, which also proves the sub works.

http://www.retrevo.com/support/Sony-STR-DH700-Receivers-manual/id/23341dj691/t/2/

Page 102

Set the subwoofer to YES (Page 43)

http://esupport.sony.com/US/perl/model-documents.pl?mdl=STRDH700

The one common component in this case is YOU. Maybe you might look at the impedances of your speakers to make sure you're not presenting too little to the amp. And turn it down. It's not like the result is totally UNexpected.

The Sony manual for this receiver is not wrong, it is just a little misleading.
It does in fact use HDMI but ONLY for the HIGH DEFINITION video portion of the signal, as output from the receiver to your television. High Definition Multimedia interface carries both audio and video, however, your receiver is not decoding the high definition AUDIO portion of it and passing it through the HDMI, nor is it passing any form of multichannel audio through HDMI. So you can see why the receiver is no longer available for sale from the Sony website. The HDMI connection on your receiver is redundant unless you are not using a multichannel audio format, in which case you would be using either the TV speakers or connect an additional audio cable from the TV's "audio out" back into the receiver for external speakers.
All that should be done is use the HDMI cable from your blu-ray player connected directly to your TV. That will give you your picture, and possibly a better one since the receiver will no longer be in the signal path.
Then connect either a coaxial or optical cable from the blu ray player to the receiver for your audio. You will then be able to have Dolby Digital and DTS surround formats.
Your service person was wrong.

no sound via hdmi cables, you must use optical or coaxial

Had a set of bose AM-10 that I had to take back cuz Sony said that their receivers needed a powered sub woofer. got AM-15's and hooked them up-AMAZING SOUND.

make sure the FM antenna is connected and in a good place then check to see if the A-B speaker selector is selected properly.check to see that the sound field is set properly, My 800 allows for several different options and if your speaker wires are reversed or not in the correct position front left at front left etc it will not send the signal to those speakers. try using the TEST TONE feature if you have one it will send a signal to each speaker in sequence (LF< C< RF<in order) it will go all the way around to see if they are connected properly, that way you can tell if they are connected at all or in the wrong spot on the back interface. I dont know if that is what you meant by AUTO CAL, but that is a seperate feature when you use the connected mic to determine range, height and distance to the position in the room you are most likely to be seated for optimal sound.

Hook up Composite / Component Monitor Out wire from receiver to TV video input because receiver will not change analog input into HDMI
You need to connect receiver and TV through analog video terminals as above.
Actually you are expecting that receiver will convert DVD player and Xbox analog video input into digital HDMI signal for TV and This is incorrect.