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Puchased A Yamaha DSP-A1092 Amp from Auction turns off

The Amplifier keeps turnnig off intermitently, you need to turn it back on at the amp only, could this be Caps in the power supply?

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I doubt it. Sounds like it is going into protection due to bad output transistors or some such. Time for a trip to the repair shop it sounds like.

Posted on Nov 14, 2008

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1 Answer

Yamaha dsp a1000 won't power up


Your power suply is defective and needs repair.
Or the power amp is shorted will blow inside fuse power line
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1 Answer

Keeps tripping out


Had a very similar problem on a DSP-A1092, found to be the temperature sensor on the heatsink open circuit. I fitted a variable resistor to mine and adjusted it to just below the specified resistance of the temp sensor (I had the service manual at the time). Permanently cured the fault. As the amp never ran hot,it was not a problem if well ventilated. Of course it could also be shorted speaker wires at any of the outputs too.

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With the Yamaha A3090, we have it hooked up to our TV with is Satilite and have speakers hooked up but, when watching TV the Auto Detect feature keeps coming on and it is going back and forth from VCR2...


Hi,

This can be a system malfunction, make sure that there was no stuck buttons on both tv and remote, try to remove and replace the remote battery.

Hope this helps

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These issues can only be fixed by an audio-tech.

Do a websearch around your area for a repair person

Sep 30, 2009 | Yamaha DSP-A3090 7-Channel Amplifier

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Where i could find the schematic diagram of yamaha amps model DSP-A1000


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Problem with Yamaha Amplifier 361


volume levels on all channels varies depending on what dsp mode you are using. to be able to determine the level you desire, just chnge the level setting of those channels. either you do it by remote control or the front panel of the amp. try setting the dsp mode on disco and you should hear higher vol levels on all channels. Do not expect as well all channels to produce same vol levels as your effects speakers may not be able handle higher power levels.

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Yamaha Dsp-A1000 5 ch amp Bought a used amp will be hooked to an awia reciever and speakers also have two subwoofers need help to install correctly witch connections to use


if you wanted to use your receiver as your controller and source then try to find out the receivber has got a bridge (jumper) between the pre-amp stage and the power amp stage. if your receiver does not have that, then you can just connect your receiver tape record out to one of your DSP inputs. subwoofers, the DSP has got a sub woofer out connector. you can use that (RCA type) to your sub woofers. put in series because DSP has got only one output for sub. or, you can connect your subs directly to the mains speakers, parallel connections. maybe one sub to your left and the other to your right channel.

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Dsp-a1000 dead


output stage problem, systems trips due to protection. have the power amp transistors checked. the rotating of function switch is normal, its like a routine system check

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3 Answers

Flashing volume control


THE MUTING CIRCUIT IS ON AND IT CANNOT BE DEACTIVATED BY UNPLUGGING UNIT...YOU MUST HAVE THE REMOTE TO DEACTIVATE.

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