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Hi, i have a pioneer SA-6500II intergrated amp, need a sort out, in general a new volume swith as it is running on basically mono sound ( only one channel) cheerz joe

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Hi Joe, Pioneers have a relay which need to be cleaned fairly often. It is usually near the center of the main board. You will need to remove the plastic cover, and I use contact cleaner on paper wiped between the contacts.

Posted on Apr 21, 2008

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it's a somewhat common problem with that model. It needs a new cpu board.

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How to hook up external amp need to know how to run jacks to the amp and speakers which out put for amp to run the front speakers on a panasonic sa-he70


Manuals help.

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Panasonic-SA-HE70K-Receivers-manual/id/312ag701/t/2/

Not knowing anything about your 'external' amp or how you want it to function the only thing you could do is feed it the analog stereo output of the SA-HE70 from one of its OUTs (Tape or VCR). It won't be volumed-controlled by the SA-HE70.

Jun 01, 2011 | Panasonic SA-HE70 Receiver

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I am playing Cd's and have a pair of Definitive Technology- Model BP-10 tower speakers connected to my Technics SA-DX1040 5.1 Channels Receiver and while the music is playing, all of a sudden the music...


There are 2 major possibilities and since you didn't say if the sound comes back here's the general split.
1. The power amp section could be having problems and/or protection circuits are kicking in. In this case repair of the amp will be needed.
2. There is a bad connection somewhere making the audio path go bad. In this case a good can of contact cleaner applied to all switches and controls may help. If not, the bad connection may be internal. If tapping (or rapping) on the unit makes it come back, there's probably a bad internal connection.
If letting the unit cool down brings back the sound, its the power amp section.

Dec 27, 2010 | Technics SA-DX1040 Receiver

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Fan quit working. Is it likely the board, or the fan? Currently have a Radio Shack fan mounted; it's 120v, plugged into the AUX power on the back of the unit. It's noisy, otherwise unit works and runs...


Hi, Have got and still use a Technics SA-GX910 Dolby Amp. It had an overheating problem too due to Air temp and power drain etc and the internal fan only engaged at certain volume level. Overheating was overcome by adding another internal fan.
Your unit however might need a bit more of a fix-me-up or throw it away

Oct 09, 2010 | Technics SA-DX1040 Receiver

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I have a Technics SA-G90 AV Receiver. I have all the original speakers and they still sound great. I was wondering if there was any way to buy a subwoofer and hook it up to this receiver. I know this...


Sight unseen, any powered subwoofer can be hooked to any older gear. Just run a pair from an unused Tape Output to the Sub (you might have to get a Y-cable to make it a mono input). You might not be able to match levels, though, so you sub amp should have some kind of volume control.

Nov 05, 2009 | Audio & Video Receivers

1 Answer

Pioneer VSX-D209 receiver shuts off when too loud


Dear Tabasco,

Your receiver is basically going into protect mode.

Just check your speaker cabling again. Make sure that all of them are seated properly, none is touching each other or the body of receiver. Take out all the wire and put them back again if necessary..
Some times even a little tiny frayed wire touching the receiver could trigger the protect mode. Be careful, since protect mode is sometimes not fast enough and it could blown a few trasistors in the power circuit.
Just check your speaker as well....whether they play all right thru another receiver or amplifier. its posiible they might be shorting inside. A little frayed wire could also trigger the protect circuit in your receiver.
I hope this should solve your problem.

If everything else seems all right and still your receiver shut down when you raise the volume then it possible that there are bad connections on the main board that are set in.

This would generally happen if the system is slighly old or have dry solder and when you raise up the volume. This should be a simple repair that will not require parts. If you can solder, you will be able to repair this yourself. If not, then a local service center will change the local labor rate.
Hope you can sort out your problem with the above trouble shooting. Let me know if I can guide you further.
Best of luck! Thanks for using FixYa!

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Subwoofer Connection: Speaker wire to Mono RCA


The easiest solution to use your subwoofer is to buy an amp for it. Any old stereo receiver from a garage sale will probably do just fine.
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  3. make sure the cheap receiver's volume is all the way down. turn your Sony up to about the loudest you'll listen to it. turn up the subwoofer amp until it's loud enough to sound good.
  4. leave the subwoofer amp alone, the Sony volume will all you ever need to touch from now on.

You can even now turn off your subwoofer / adjust the volume easily now!

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2 Answers

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This happens on mine also. My theory is a relay. If you turn the volume up (Waaay up) momentarily, you "burn through" the oxidation on the relay and the sound comes back - for awhile. Some day, I'll get in there and replace it with something more robust.

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PANASONIC SA HE9 RECIEVER 5.1


If the sub has a volume control, turn it down then turn up the volume on the amp to the very high volume you mentioned. If it still has very low muffled sound, then we know the problem is about the amp.

Apr 24, 2007 | Panasonic SA-HE90 Receiver

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