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repair

  1. canuckken

    Peachtree iNova Died

    The title indicates the problem but I don't know where to go with it. I purchased the iNova and a Peachtree 220 power amp from the same seller a few months back. I was using the iNova as a pre with the 220 and it worked and sounded fine with one exception, I would receive an occasional...
  2. rocketrobo

    JDS Labs Element - DAC - how to open?

    I have a JDS Labs Element 1.53 DAC / headphone amp, it makes a bit of a scratchy noise sometimes. Taking the base off, it looks like there is some capacitor leakage under the board. I'm able to troubleshoot this, and to replace anything that needs it. Does anyone know how to open the unit to...
    • rocketrobo
    • Thread
    • jds labs element repair
    • Replies: 1
    • Forum: DACs
  3. R

    Volume drop on one side of headphones

    Hello, Is there a most-likely cause for headphones losing significant volume on one side? Suddenly I'm only getting about 30-40% volume on the left side. My diagnostic capabilities are limited to taking a multimeter to the plug, and I'm getting the same resistance reading from both channels...
  4. creator12

    Just got my first McIntosh! A MAC 4200 Receiver.

    Hello! Over the course of the last couple of years I have been split between two systems that were both primarily made up of Yamaha components. My first system at home contained a Yamaha R-100 receiver, K-2000 cassette deck, Genesis 1+ speakers, ADC Sound Shaper One Ten MK.II, and a Dual...
    • creator12
    • Thread
    • battery mcintosh memory new purchase reciever repair replacement setup tuner
    • Replies: 8
    • Forum: McIntosh Audio
  5. C

    KLH Model 6 silent tweeter

    Hello, First off I apologize if I'm putting this in the wrong area or messing up formatting, this is my first post haha. So I recently picked up a pair of KLH Model 6 speakers for $10. Physically they're good, no sign of abuse or anything. One sounds awesome, however the other's tweeter is...
    • cojobe
    • Thread
    • diy help klh model six repair
    • Replies: 10
    • Forum: DIY
  6. chowder857

    Information on how to diagnose problems in an amplifier

    Hello all - I have a JVC AS-3 integrated amplifier from around 1979. I had not used it in many years, so I hooked it up and found that it has weak output and almost no channel separation. Part of me is thinking it might be a fun project to try and diagnose what's wrong, given that I can solder...
  7. K

    Sony STR-7065--PCB char-is it a make or break issue?

    All, New here and newbie to repair. Stick with description please! I picked up an 7065. Did some cleaning and inspection. Several caps seem new? Speaker B and C channels right, sometimes left were not working. Speaker A seemed to be OK. I noticed up near speaker inputs on supply board there...
  8. V

    SX-636 no longer working properly after using DBT

    To preface this, I am new to audio repair and definitely did not think I was going to be getting into a full repair with this receiver. I'm handy with a soldering iron and have a multimeter, but I don't have a huge amount of experience or knowledge with electronics. I'm excited to learn, but...
  9. goldswimmerb

    Marantz PM300 bias won't adjust down

    Hey guys, I'm working on a Marantz PM300 (not the greatest work by Marantz but honestly not too bad either) The dim bulb lights up bright, however both channels do produce output, testing I noticed that my bias for one channel was at 310mv at the lowest adjust point on the trimmer, and can only...
  10. A

    Marantz 1030 repair - left channel noise

    Hi all, I´m new here. My Marantz 1030 has a loud hum/noise in the left channel, right is ok. The noise is there with volume at 0, I´ve made a little video to demonstrate: I´ve built a couple of effects pedals, so I know a little about reading schematics and I can solder, but this is completely...
    • artrr
    • Thread
    • 1030 hum left channel marantz repair
    • Replies: 8
    • Forum: DIY
  11. Taavip

    Kenwood KA-5500 left channel repair

    Hello from Estonia! Hope you are all well. Got my hands on this really sweet '77 year Kenwood amp. Unfortunately left channel is dead. I really like this amp, so I would like to repair and restore it. Hopefully you can give some little guidance needed to bring this amp back to life. Before I...
  12. R

    Repair Denon PMA-280

    I am trying to repair my Denon PMA-280. The fuse blew, and it keeps blowing after replacement. I measured the transistors attached to the heatsink (C3853 and A1489), and one of them shorted on all combinations of the legs. This is the C3853 at place TR319 (schematic), for speaker channel B. I...
    • Rinkert
    • Thread
    • amplifer denon repair transistor
    • Replies: 4
    • Forum: DIY
  13. goldswimmerb

    Sx-990 rebuild + Questions

    Hey guys, so I am currently working on restoring a "barn find" SX-990 and had a few questions. I've gone and rebuilt the amplifier stage as it originally had a blown output, but noticed a few things and wanted to see if anyone with experience could weigh in. I replaced the driver Transistors...
  14. Sergimm

    Marantz 1050 assessment

    Hi, I am determined to repair a Marantz 1050 amplifier that was going to be thrown away. I have some knowledge of electronics, basic soldering skills, and basic tools (alas, no oscilloscope, but a good multimeter). I've been lurking in these forums and reading about amp recapping, and I have...
  15. B

    Replacing fixed RCA cables

    I have had a Technics SL-2000 for about 15 years. I picked it up for free because the previous user busted the RCA cables. The first thing I did upon picking it up was to remove the bottom of the turntable and use some electrical tape and some twisting to attach the new RCA cable to the fixed...
    • bphh
    • Thread
    • rca repair sl 2000 technics turntable
    • Replies: 2
    • Forum: DIY
  16. PioneerPoet

    BIC Venturi v820 - help needed

    I have a pair of BIC Venturi v820. I bought them on FB marketplace for mighty cheap a while ago, but I wasn’t able to hear them when I bought them. When I hook them, the tweeters play, but there is no base coming out of them. The subs are not moving at all. I took the hookup panel off and the...
    • PioneerPoet
    • Thread
    • base bic help problem repair speakers venturi
    • Replies: 1
    • Forum: Speakers
  17. S

    repair advise wanted

    I have a Sansui G9000 and 9090DB both inoperable at the moment and I would like to have them repaired. I am located in Michigan on the west side of the state near Holland. If anyone knows of a repair shop that can be trusted please advise. I am not adverse to shipping these but would prefer...
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