Question about Yamaha DSP-A1 Receiver

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Yamaha dsp a1

Can anybody tell me how to activate the internal self diagnostic program

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What will this do when in the diagnostic mode... My display is going in and out of service

Posted on Jul 09, 2008

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To get to the diagnostic menu on the machine press power button set menu + button and next key all at the same time which will take you to the diagnostic menu

Posted on Mar 12, 2008

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Can i connect a powered subwoofer to center channel pre-out connection inYamaha DSP-A1


Can i connect a powered subwoofer to center channel pre-out connection inYamaha DSP-A1

Jun 14, 2012 | Yamaha DSP-A1 Receiver

1 Answer

My Yamaha DSP A1 after switching ON goes OF itself after 2-3 seconds! Please give me advice what to do Thanks, Alex


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Yamaha-DSP-A1-Amps-manual/id/319ag811/t/2/

See Page 73 Troubleshooting.

Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Mar 06, 2011 | Yamaha DSP-A1 Receiver

1 Answer

Can you help me connect my Yamaha hi-fi system? I want to connect my Yamaha ampliier DSP A1 to my Yamaha equalizer 630 but I don't how to.


Your EQ will be connected to the amp via one of the Tape loops. Connect rec out from the EQ to play in on the A1 Tape input,and rec out from the A1 to play in on the EQ. Then select Tape Monitor on the A1 to hear sound with the EQ settings applied. It won't affect the surround channels,only the main ones. You can also connect the EQ across the pre out and main in sockets for the front channel on the A1

Aug 13, 2010 | Yamaha DSP-A1 Receiver

3 Answers

Yamaha DSP-A1 sound drops at startup


In the manual it says switch off leave for 30 seconds and switch back on .

Aug 07, 2009 | Yamaha DSP-A1 Receiver

1 Answer

Please Help about a Yamaha DSP-A1


The A1 has an internal self diagnostic program which you can go through to find the fault. You can access the diagnostic program by simultaneously pushing some buttons on the front panel. The Yamaha service manual for the A1 tells how to do it and what the diagnostic codes mean. You can get a copy of the service manual on the web from several suppliers for a small fee.

Jan 08, 2008 | Yamaha DSP-A1 Receiver

5 Answers

Zone 2 problem


Your unit's internal breaker is tripping out. Hmmm...I think all of these high end Yamaha AVRs have a self diagnostic program. I have an earlier Yamaha model (1998) DSP-A1 and it does. You should be able to access the diagnostic readout by pushing the right buttons on the front panel. I have a service manual for my DSP-A1 and it shows how to do it for my unit. The diagnostic program stores in memory what fault caused the internal breaker to trip. I would suggest you get a copy of the service manual for the Z9. You can readily get one on the web from various suppliers for a small fee. My guess would be a high temperature trip as I have heard the z9s run very hot.

Dec 29, 2007 | Yamaha RX-Z9 Receiver

1 Answer

Volume level dropping unexpectadly


The A1 has an internal self diagnostic program which you can go through to find the fault. You can access the diagnostic program by simultaneously pushing some buttons on the front panel. The Yamaha service manual for the A1 tells how to do it and what the diagnostic codes mean. You can get a copy of the service manual on the web from several suppliers for a small fee.

Nov 18, 2007 | Yamaha DSP-A1 Receiver

3 Answers

Amp powers off after switching on


The DSP-A1 has an internal self diagnostic program which you can access from the front panel. The service manual shows how to do it and what the readout codes mean as far as the fault that caused the trip. Service manuals are cheap and readily available on the web.

Mar 15, 2007 | Yamaha DSP-A1 Receiver

3 Answers

DSP-A1 Power Off


i am no expert but i had simmilar problems and it turned out that some capacitors needed replacing

Oct 25, 2006 | Yamaha DSP-A1 Receiver

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