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pioneer

  1. mgrisoli

    Pioneer QX-9900 Protection board

    So, this is the third QX-9900 I'm working on. I'm still to see a protection board as called out in the SM: None of the units I worked on have this board. This time I took the proper time to reverse engineer and document the board that is actually in the receiver: And now I am sharing with...
    • mgrisoli
    • Thread
    • pioneer protection board protection circuit qx-9900
    • Replies: 0
    • Forum: Pioneer Audio
  2. S

    Moving a US Pioneer PL-A35 to Europe – Hunting for a 50Hz Pulley

    Hi everyone, I am sending my old beloved Pioneer PL-A35 to a friend in Europe. Fortunately, my deck features the built-in multi-voltage transformer (100V-240V selector), so adapting to European voltage is already covered. However, it currently has the native US 60Hz motor pulley installed...
  3. absinthe77

    Pioneer RT-909 Brakes Don't Engage + Controls Lock Up After Auto-Stop

    There are some similar issues on the forum but not the same, at least not that have been solved. This thread is the closest I have found, but remains unresolved. I have two RT-909 units on the bench and both are doing the same thing! The issue: Transport controls operate normally with a tape...
  4. HMrules

    Replacing Rotel RA-985BX: HK 6650R vs. Pioneer A-77X for JBL ES90?

    Hi everyone, I am considering selling my current integrated amplifier, a Rotel RA-985BX, and upgrading to something that fits my sonic preferences and speakers better. I have narrowed down my choices to two specific models available to me: the Harman Kardon HK 6650R and the Pioneer A-77X. My...
    • HMrules
    • Thread
    • harman kardon jbl pioneer rotel
    • Replies: 0
    • Forum: Solid State
  5. Pharssa

    Pioneer DSS-9 Speakers Crossover Networks Recap

    Hi, I am considering replacing the old capacitors in my DSS-9 speaker networks. I am handy with soldering but need help identifying and ordering correct replacement parts. Each speaker has two networks. The parts list from the service manual is: All Parts (Both Networks in a speaker)...
  6. Wolfindel

    Pioneer XD-Z64M Tape Deck - Mechanism locked

    Hello, and it’s a pleasure to meet you all. My name is Javier and I’ve just joined the forum. I’m quite desperate because of a fault affecting both cassette decks in my system. I have a Pioneer XD-Z64M, with its radio modules, turntable and speakers. I’m very fond of it because it’s my older...
    • Wolfindel
    • Thread
    • cassette cassette repair pioneer stereo
    • Replies: 1
    • Forum: Tape
  7. PattonD

    Pioneer SX-1500T Faceplate Lettering Restoration: Beginner Seeking Guidance

    I’m still a beginner at electronics repair and this estate-find Pioneer SX-1500T is the oldest unit I’ve worked on. I’ve ordered a recap kit and an LED bulb kit, and with the faceplate off for the bulb install, I want to restore the missing lettering around the Power/Speakers knob and bottom...
    • PattonD
    • Thread
    • decals diy faceplate pioneer restoration sx-1500t
    • Replies: 2
    • Forum: DIY
  8. cvsolfari

    PD-M510 CD Not Spinning

    I am the original owner of a 6 disc Pioneer PD-M510 CD changer. It has been stored for several decades and worked fine when I stopped using it, sometime in the early aughts. I decided to get it out and see how it worked. Played a number of CDs and was having an issue with skipping and cleaned...
  9. Subchannel

    Pioneer CS-822A woofer replacement

    I have bought a mint condition Pioneer CS-822A speaker pair, but with unoriginal Vifa woofers. I want to replace them wioth more accurate (for the speaker) woofers, but it´s not possible to find any useful data on the original drivers ( Small/ Thiele). Is there anyone who have the chance/...
    • Subchannel
    • Thread
    • cs-822a pioneer speaker data woofer replacement
    • Replies: 4
    • Forum: Speakers
  10. sae-7125

    cartridge/stylus identification request i.e. this is a weird one...

    https://www.grammofoon.com/frameset.htm?https://www.grammofoon.com/Pioneer/Pioneer_SB2.htm&ContentFrame *not in english, some translation needed. this model is light blue and has three knobs vs two+switch shown on website above outer shell, top cover. no identification stickers found...
    • sae-7125
    • Thread
    • battery powered easy re-cap mono cartridge pioneer pioneer hawaiian portable phonograph vintage turntable zero transistors
    • Replies: 23
    • Forum: Turntables
  11. Stereoboy70

    Pioneer Spec 2 Power supply Board AWR-093

    Hello all. Does anyone have a lead or any info as to where I could locate an AWR-093 Power supply board for a Spec 2 Amp? I got this unit in for a repair and I was told it kept blowing fuses. On further inspection I found that the power supply board had a huge hole burned through it under one...
  12. J

    Pioneer SA-9500II Restoration/Overhaul

    Long time lurker, first time poster. Picked this up a couple of months ago and have been making steady progress fixing it up. Listing said it "survived" a housefire. I made it my mission to make sure that ended up being true. I got it for about $150 +shipping. I ended up tearing it all the...
  13. C

    Help Needed: need replacements for 2SA912, 2SC1914, 2SC1885 on a Pioneer

    Hello, like the title says i am trying to fix a intermittently unstable Pioneer SA-3000 amp for good, it has one of the following issues at one time or all together: random popping and crackling from speakers even with volume closed and no signal being fed (like a very very dirty record)...
    • Cosmic_S
    • Thread
    • equivalent help pioneer replacement
    • Replies: 3
    • Forum: Solid State
  14. A

    Is it possible to connect a Pioneer SPEC-1 preamp to a pair of L-05Ms?

    Hi, I am asking a question about matching a pair of Kenwood L-05M mono blocks to a Pioneer SPEC-1 preamp. I have been lucky to find a pair of L-05Ms and a SPEC-1 that are not modified or damaged, still in good to excellent shape. My hope is to use them together I read a post (here in AK, I...
  15. G

    Remote Android App iControl AV5 app

    Hello All, I have a Pioneer Elite SC-72 Receiver. I was using the iControl AV5 remote control for android. I accidentally uninstalled the app and now I can't find it in the android play store. It seems that it has been removed. I noticed that it is still available for Apple smartphones but not...
    • gmangarov
    • Thread
    • android download file files icontrol av5 pioneer pioneer elite pioneer receiver remote app sc-72
    • Replies: 1
    • Forum: Pioneer Audio
  16. R

    Pioneer PD-5000/PD-93 issues

    So I imported a PD-5000 from Japan and before anyone says anything, yes I understand the inherent risk of shipping these components and it was sold as untested anyways so I expected it would have issues. I have also read the CD player diagnosing thread and I'm still a bit stuck The package...
    • Rotary
    • Thread
    • diy pd5000 pd93 pioneer repair repair advice
    • Replies: 2
    • Forum: DIY
  17. R

    Pioneer PD-5000/PD-93 issues!

    So I imported a PD-5000 from Japan and before anyone says anything, yes I understand the inherent risk of shipping these components and it was sold as untested anyways so I expected it would have issues. The package arrived fine and well protected, however the unit itself did not have any of the...
    • Rotary
    • Thread
    • diy pd-5000 pd-93 pioneer repair repair advice
    • Replies: 3
    • Forum: Pioneer Audio
  18. R

    M-90a power protect problem

    I have an M-90a imported from Japan that looks like it's spent time in a river with how corroded it is, I got it for cheap so it is what it is, but I'd like to see if I can't fix it. The unit powers on but immediately enters protection mode. I have a step down transformer I'm using to power it...
    • Rotary
    • Thread
    • pioneer pioneer 100v repair repair advice repair advice help needed repair amplifier repair help restoration restoration help urushi
    • Replies: 2
    • Forum: Pioneer Audio
  19. A

    Is this part a fusible-link

    Hi, I am working on a SG-9800 Equalizer and have a question on a couple parts. This unit does not have a fuse in the circuitry. The unit does have two resistors in line with the rectified power before the regulation circuity. The initial issue was a burnt resistor (R902). This led to...
    • ampman
    • Thread
    • fusible resistor pioneer power supply sg-9800
    • Replies: 6
    • Forum: Pioneer Audio
  20. A

    Vintage Transistor Substitution Help

    Hi, Need help with a problem fixing vintage units. Attempting to source replacement BJT transistors for a couple Pioneer pieces. Running into stumbling blocks and am wondering, first, if there is a quality information source for substitutions? I've spent a couple of hours looking and am...
  21. T

    CT-A9 clutch problem?

    After sitting alone in my basement for a few years I decided to crank up my old CT-A9. Power and lights on but couldn't open the door. Took it all apart and found the common melted belts. Cleaned up, replaced those and the idler tire. Door and capstans all work fine but FF and REW as well as...
  22. R

    Nearly complete chanpagne communication series!

    The only components left is the remote (which I don't currently have a use for as I went with the CT-970 rather than the CT-9R) and the PL-88F. I would also like to upgrade my A-7 to an A-9 at some point and my SX-6 to an SX-9 as well. Either way. Here's the stack as it sits! Top to bottom on...
    • Rotary
    • Thread
    • champagne collection pioneer pioneer champagne pioneer communication stack
    • Replies: 4
    • Forum: Pioneer Audio
  23. R

    Pioneer PL-70LII Damaged in shipping

    Any advice on how to fix this damage or am I just screwed? I've got photos from before it was shipped and it was mint. I'm genuinely gutted. I imagine it's a veneer, but I also imagine finding a replacement veneer would be borderline impossible. Not to mention the fact I'd probably need to use...
    • Rotary
    • Thread
    • damaged pioneer pioneer pl-70lii pioneer pl70lii repair advice repair advice help needed restoration restoration help
    • Replies: 72
    • Forum: Turntables
  24. A

    Kenwood A-9100 or Pioneer Spec-4

    Hi, If you had the option of owning a Kenwood KA-9100 amp or the Pioneer SPEC-1/SPEC-4 combo, which would you choose? I've been a Kenwood guy since the 1970's yet hear good things about the Pioneer Spec series. Thanks for your help in understanding.
  25. B

    SX-780 High Voltage on STK-0050 Inputs

    Schematic: hfe_pioneer_sx-780_ku_kc_schematic_en.jpg Service Manual with Board Layout: http://akdatabase.com/AKview/albums/userpics/10007/Pioneer%20SX780%20Service%20Manual.pdf As a foreword, I'm not very advanced at troubleshooting electronics, but I gave it my go and would appreciate if...
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