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sa-9100

  1. M

    SA-9100 On The Way!

    Hi all, I have a pretty nice SA-9100 on the way from "the bay". It's my first Pioneer Integrated and I'm excited to get it back in shape! The seller had posted a video that shows it coming out of protection normally and passing audio in both channels. I hope that is the case when it arrives...
  2. M

    Repair Note: Pioneer SA-9100 Power-off Pop AWM-025C Protection Board

    Most SA-9100 schematics (all that I could find, anyway) show the AWM-025A board, mine has an AMW-025C with a resistor (R29) that doesn't appear on the AWM-025A board.The person who worked on this before me replaced R29, a 47k resistor per the AMW-062 schematic, with a 2.2k resistor. The result...
  3. R

    Pioneer SA-910 vs SA-9100

    I have a Pioneer SA-910, which is the Japanese version of SA-9100, runs at 100V instead of 120V. It used to function with a hiss on right channel, but now it's going into protection mode, after a few minutes. I am looking purchase a recap kit, to recap the entire unit and change out the...
  4. S

    SA-9100 stuck in protection

    I was given a non-working SA-9100 a while ago and I'm now digging in. It's stuck in protection. Here are the voltages from the protection bard, AWM025: 1 -81.3mv 2 -13.1v 3 +0.7v 4 0 5 -81.8mv 6 -81.3mv 7 -83.5mv 8 -85.1mv 9 +39.4v 10 +39.5v 11 +39.4v 12 -3.4mv All four outputs test...
  5. barbazoo

    Pioneer SA-9100 volume potentiometer issues

    Hi! I've read several posts on this, but i do not want to hijack an old thread. I have a SA-9100 that worked great until i wanted to clean the front panel, in doing so the volume knob was really stuck on the potentiometer shaft so when i pulled it off it must have been damaged in some way...
    • barbazoo
    • Thread
    • issue potentiometer problem repair help sa-9100 sweden volume
    • Replies: 0
    • Forum: Pioneer Audio
  6. R

    SA-910 (SA-9100) Hiss/static and other issues

    I recently acquired a Pioneer SA-910 integrated amp. This is the Japanese 100V version of the SA-9100. Although it sound OK when I heard it at the seller's place, I realize it has a hiss coming from both speakers at all times, a bit louder on the left channel. The hiss is there even at 0 volume...
    • r_s_guy
    • Thread
    • filter caps hiss pioneer recap sa-910 sa-9100
    • Replies: 7
    • Forum: Pioneer Audio
  7. jinjabred

    SA-9100 Extremely output

    Hello, I am an amateur electronics technician. I'm having a problem with my loved SA-9100. I recently had transistor Q4 of Power Supply Circuit B puke it's guts up. I was pouring a glass of Dr Pepper as the needle dropped and I'm suprised it didn't end up all over the floor. So I replaced...
  8. IndyAdamC

    Vintage Pioneer & Ohm Walsh 2 - ?s

    Greetings all. I am a brand new member to the Audiokarma community and recently decided to make my passion for sound a full fledged hobby. I’ve always admired and appreciate the technicality of achieving a sound that appeals to my own ears but ha e historically relied on others opinions to steer...
  9. P

    Pioneer SA-9100 restored - Thanks to all who contribute to this forum

    I discovered Audiokarma.org via google search when I was asked to repair a Pioneer SA-9100 that had been given to my brother. I have quite a bit of electronics experience but had never taken on attempting to repair a vintage amp as nice as this one. I learned from this forum that the...
    • PakyGeek
    • Thread
    • pioneer repair sa-9100
    • Replies: 2
    • Forum: DIY
  10. T

    SA-9100 Protection light on and off

    I have a SA-9100 that recently goes into protection after about 5 minutes. The light will turn on for about 2 seconds, I'll hear the relay, light turns off for about half a second, and then turns back on again. What's more weird is that I'll turn it off for a couple minutes and when I turn it...
  11. QSilver

    Reservoir capacitor upgrade...

    I'm going through an SX-838 I got recently in great condition. I've gone through it all and I'm planning on migrate some of the regulators to heatsinks as theres plenty of room in the case. I was wondering about changing the main filter capacitors for the power amp and I just so happen to have...
    • QSilver
    • Thread
    • capacitors pioneer power supply sa-9100 sx-838
    • Replies: 43
    • Forum: DIY
  12. QSilver

    SA-9100 Protection releasing too soon.

    I've been going through a very abused SA-9100. To cut a long story short, I looked through a number of threads dealing with them and rebuilt the power supply and all the other boards, powered on and everything is great except for this one problem. I read that the protection shouldn't disengage...
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