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repair help

  1. 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
  2. A

    ITT HiFi 8051 C Distortion A+B Issue

    So i bought a restored audio system that i mentioned in the title, worked fine at home for a couple months, never had issues everything works even the cassette player, so my problem is that i moved out and took the speakers with me, assembled everything in the same manner and there's heavy...
    • abxove
    • Thread
    • audio system distortion distortion in one channel german itt repair repair help vintage
    • Replies: 0
    • Forum: Speakers
  3. A

    NAD 326BEE amp problem

    Hello, I have a 326BEE with a problem that's proving pretty difficult to pin down. The first thing I noticed a little pop from the unit and the left channel went out. The only damaged component I could find was R250, which looked like it had blown, but was maybe just scortched and was still...
  4. D

    Power supply help for qx-747

    Working on a pioneer quad for about ever now. Recapped and replaced transistors on the power supply board. Did not replace any resistors or diodes. Attached a pic of readings I’m getting compared to spec. Of by almost exactly half at pin 23, by 30% at pin 17. I don’t understand yet how to...
    • Dkat69
    • Thread
    • advice needed power amp board repair advice help needed repair help
    • Replies: 5
    • Forum: DIY
  5. A

    First time restorer sanity check

    Hi, I recently picked up a non-functional marantz 2238b and I've gotten it mostly working, but there is significant 60Hz noise/hum. Is that kind of expected when you're operating an amp all disassembled and splayed out on a bench? Basically, I'm not sure if this is a problem that I should be...
  6. C

    Tandberg 3001A Buttons Springs Oh my!

    I took apart my 3001A to fix a stuck tuning system, which seems to have been successful. (I pulled out the piece in the middle and sprayed various cleaners and oils while gently turning. It barely could move before and now moved in response to the tuning dial. Rewinding the string confused me a...
    • CharleyP
    • Thread
    • 3001a buttons repair help tandberg
    • Replies: 7
    • Forum: Tuners
  7. P

    Automatic mechanism not working Dual 601

    I've been using this turntable I bought refurbished for a year now, and slowly the automatic movement of the tonearm has degraded. Can anybody please give me some advice on how to fix? The issue is that when I start the record player, the arm doesn't move over, it simply raises and falls...
    • pizza2006
    • Thread
    • dual dual 601 repair advice repair help turntable turntable repair vintage 70's
    • Replies: 2
    • Forum: Turntables
  8. K

    Pioneer CT-F9191 General Maintenance Clean/Lube Service - Instructions?

    Good morning all, I posted a couple of weeks ago about my CT-F9191 that has been sitting for a while, and is now not operating properly. The basics are this, FF works fine, Rewind does not, Play seems to function properly but I'm not getting any sound. Also, with no tape installed and the...
    • Kcusick81
    • Thread
    • cassette deck issues ct-f9191 repair lubrication maintenance pioneer pioneer cassette deck repair help
    • Replies: 2
    • Forum: Tape
  9. C

    Kenwood KX-400 barn find to repair nightmare?

    I'm trying to restore this tape deck to working conditions. I thought it was a nice project to tip my toes into the fascinating world of vintage electronics but I think I'm biting more than I can chew. I replaced the belts but I have the following issues: - mechanism: playback seems to work...
  10. N

    Blaupunkt LAB062 speakers replacement

    Hey there, I recently got hold of a Blaupunkt Granada Stereo and it came with the LAB062 speakers. I originally bought them because they're 2 pin DIN and I needed some for my Crown SHC-7000. Problem: when I went to play a record, everything connected, I think I blew out the speakers. I tried...
    • noisure
    • Thread
    • blown speakers repair advice repair help replace speaker speaker advice
    • Replies: 0
    • Forum: Speakers
  11. JamesWest...

    Channel output Issue Marantz 1150

    Hello dwellers of the Marantz subforum. :) I am seeking knowledge about a Marantz 1150 (not the D model). This amp is a friends, and they asked me to take a look at it. I have a rudimentary knowledge of electronics (mainly tinkering with them for fun) and can solder confidently. A bit of...
    • JamesWest...
    • Thread
    • 1150 amplifier repair marantz marantz 1150 output board repair advice repair advice help needed repair amplifier repair help
    • Replies: 9
    • Forum: Marantz Audio
  12. PaulBowman

    Infinity RS6 subwoofer Removal/Replacement

    My dad has a pair of Infinity RS6s from forever ago. I imagine they'd sound decent if it wasn't for the ring of foam around the 8'' woofer dry rotting. I've begun to take the speaker apart to re-foam or replace the woofer entirely (depending on which is cheaper and yields better results), but...
    • PaulBowman
    • Thread
    • infinity infinity rs 6 old components repair repair help
    • Replies: 7
    • Forum: Speakers
  13. Oscarshock

    Revox b790 troubleshooting

    Basically the technician who gave service to my turntable said that it is difficult and complex to address this problem and he said this will not have significant impact to the performance of the turntable so I should content with it as long as it actually develops into a issue in the future...
  14. N

    Otari MX5050B-2HD repair project questions

    Hi all, I'm working on a project to do some light repair and maintenance work on an Otari MX5050B-2HD machine. I work in an archive and we use this machine for transferring archival tapes to digital for preservation (we never use it for recording). It was a generally alright machine, though...
    • natg7719
    • Thread
    • otari otari mx5050 repair help
    • Replies: 8
    • Forum: Tape
  15. S

    need help on issue on a Technics SL-JS1

    Hello i'm new here so if it's in the wrong section of the forum please excuse me i tought it was the most appropriate on to ask into if not please move my post to the appropriate section. So on the topics i own a SL-js1 from technics it"s been bought in 86 don't know if there difference...
    • snorlax
    • Thread
    • repair help
    • Replies: 6
    • Forum: DIY
  16. Gaoming

    Yamaha B-3 Overhaul in Japan

    Hi All, I recently bought a Yamaha B-3 power amp on a Japanese auction site and am interested in having it checked out and brought up to spec before I bring it home. I will be in Japan next week and am hoping to find a tech there to work on the machine (I go there a few times a year, so I could...
    • Gaoming
    • Thread
    • japan repair help yamaha yamaha b-3
    • Replies: 9
    • Forum: Yamaha
  17. W

    Restoring Magnavox Micromatic Turntable

    I purchased a Magnavox stereo console from a thrift store earlier this year and I'm working to restore the turntable. The changer is a Magnavox Imperial Micromatic. After tearing it down and cleaning/lubing everything I can get the turntable to spin and it keep accurate speed. However, I can't...
    • Weston_R
    • Thread
    • magnavox micromatic record changer repair help restoration turntable
    • Replies: 10
    • Forum: Turntables
  18. A

    Marantz 1150 Power Supply Issue

    Working on restoring a very nice condition 1150 but am running into a couple issues, and really struggling to identify the source. Started by recapping P800 power supply with mostly Nichicon PW/PJ as well as a couple of Rubycon ZLJ caps of originals equivalent value. Also fully cleaned the...
  19. pbeverage

    Pioneer CS-905 - Tone Selector Issues (Normal Tone Only)

    Good day, all -- I am sure some folks here absolutely hate these speakers, but they are related to my childhood, all of which is lost, save a couple picture albums. I will not be replacing them, even though there are objectively better speakers I could find, vintage or otherwise. Please keep...
    • pbeverage
    • Thread
    • pioneer cs-905 repair help repair manual
    • Replies: 8
    • Forum: Speakers
  20. P

    Kenwood 700m repair help

    Ok, so I have two kenwood 700m amplifiers and both are having the act same problem after I recapped them. The first one I went all in and replaced everything. As soon as I power it up, it cooks the large white ceramic resistor mounted to the inside of the rear panel. So I buy another one and...
  21. B

    Logitech Speakers with torn surround

    Hello I bought some logitech speakers (Z533) for really cheap with one of the smaller (midrange I believe?) speakers having a small tear in the surround. It sound good to me even at max volume. I was looking at speaker repairs and I wondered if I should try to repair it or buy just the speaker...
    • bobi
    • Thread
    • damaged surround logitech repair repair help speakers torn surround
    • Replies: 8
    • Forum: Speakers
  22. S

    Zenith stereo system record repair. 1960s Y928 Model?

    Hello everyone, A year ago, I purchased this Zenith stereo system primarily for the radio functionality, but I was also intrigued by the record player. Although I've received vinyl records as gifts in the past, I've never actually owned a record player before and have had very little personal...
    • Sanchez501
    • Thread
    • 1960 record player repair help zenith
    • Replies: 3
    • Forum: DIY
  23. folklore

    Pioneer A35

    I've been collecting some vinyl for about 10 years now because I always knew I'd get a turntable, but due to the cost, I never have. My mom has bought me some of those suitcase record players throughout the years, but I always told her to take them back. Finally, my dad has decided to give me...
    • folklore
    • Thread
    • pioneer a35 pioneer pl-a35 repair repair help
    • Replies: 22
    • Forum: Turntables
  24. J

    Kenwood KD-5033 Selector Knob Issue

    Hi everyone, I managed to get a very nice Kenwood KD-5033 for practically free at an estate auction and had a question regarding the Automatic (record size) / Manual selector knob operation. I'm able to run the table in manual mode without issue and I can move the selector knob to '17' in order...
  25. xkrebstarx

    Sears SolidState by Silvertone repair

    Hi audiophiles, Newbie millennial here that just purchased my first record player. I have no clue how to use it. Lol. I found it at an estate sale for $35, so figured I'd take the risk. She's a mid century beauty. To me at least, looks like low/middle end cabinet in big picture. Best part is...
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