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Yamaha DSP A-1000 input selector switch not working properly

Hello, my aging A-1000 still works good except when playing DVD movies. It appears to be a lose contact at the input selector switch. If I giggle with the input selector switch the sound comes back for a while. But it repeats the problem by "no sound from right speaker to static sound" and it is annoying especially watching movies. I recently made the DVD input in the back of the unit to LD (because A-1000 was made pre-DVD era, I have been using TV/DBS as a DVD source.) It now works better than before, but still the problem comes back. The strange thing is this rarely happens when playing music CD thourgh the same DVD player (effect off). Would you agree that it is the input selector switch that is the problem? If so, where can I get a replacement switch? Thanks.

yamaha a-1000

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  • ferova Jun 14, 2008

    when I press the input selector switch, it starts moving back and forth not getting to the input entry I want. I have to do it manually. Eventhough some times the input selector switch continues to be unstable. What can I do to fix this problem?

  • Anonymous Jan 11, 2009

    Same problem no solution so far



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  • 38 Answers

I did not post that....and why would fixya be asking the poster of a problem for a solution?????
Bug? Pls delete these posts moderator.

Posted on Mar 10, 2008


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Posted on Jan 02, 2017

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SOURCE: Yamaha DSP A-1000 input selector switch not working properly

flying yeti.... yup... it's definitely your input switch. im from yamaha service before at saudi arabia. that is a normal trouble specially in high humidity places. you can only get a replacement at yamaha service though. their newer model are better they dont use contact switches nomore.

Posted on Mar 18, 2008

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Hi. my YAMAHA DSP-A1000, works well only the input selector does not to select. its all static noise and does not seem to lock onto an mode. i have to use the tape 2 monitor to hear music.

The INPUT SELECTOR is defective. Order part number VT148000; it costs $51.04. As of 14 Jan 2011, the part is on backorder until the later part of Feb 2011.

Register online to order the part yourself, or you can place your order by phone at the Yamaha Parts Department at (714) 522-9011 or (888) 892-6242, Monday - Friday, 7:30 am - 5:00 pm PDT.

I hope this post also clarifies the problem from the posts above.

IMPORTANT: After installing the new Input Selector switch, place the knob at 1230 position (between LD and DAT/Tape 1) BEFORE turning the unit ON. The Yamaha Tech said this procedure ensures the input source is properly programmed and aligned.


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Hi cfipp
You could fix this problem with a quick squirt of CRC 2-26 into the function selector switch connected to the knob you are wriggling. This will sort out the problem. If you need further advice, feel free to ask me. I will help you. 
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As that unit is well over 5+ years old, I seriously doubt the part is available any longer. I doubt that you will even find a used part, and even if you do, it will probably be as bad as your switch. As I have worked on audio for over40 years, I would use LPS 2. It is a lubricant. Do not try this with WD40 or similar. Just spray the LPS on the wafers, or through any open holes in the switch. You just need a little. If you just squeeze the button, you will see just a little bit of foam. That is all you need. No more; no less. Rotate the switch from from left to right and back again multiple times. Try that. BTW, no manufacture uses these mechanical switches any more.The controls are now called Rotary Encoders, which basically are inputs to a display microprocessor IC(a computer within the new product) which in turn controls the inputs of a switching IC. It's the same as your old switch, just electronic, and much more complicated. If you need more information, or would like to inquire about repairing your unit, please visit my website at You may contact me there. Thank you.

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i believe that the problem is in the movie itself it has a password somewhere on the case try playing it on antoher dvd , c if it does it agian windman

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