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repair advice

  1. tlann

    HH Scott Stereomaster 340b — Service Advice

    I got a little carried away yesterday morning and accidentally won an auction for a Scott 340b with a nice wood case. I got it for a decent price but will have to pay for shipping — and I have no idea what shape the receiver is in, other than that it's cosmetically pretty good. Even if it starts...
    • tlann
    • Thread
    • hh scott repair repair advice scott scott 340b stereomaster stereomaster 340b tube tube amp
    • Replies: 14
    • Forum: Tube Audio
  2. L

    Pioneer PL 512 (Second Hand) Repair

    Hello Everyone! Finally after 1,000 years I decided to buy a TT, but I didn't want a new plug-and-play one, I wanted to fix an old one to understand how it works. From a flea market I bought this pioneer PL-512 made in Japan from 1978 (see photos) without antiskating to be fixed. First of...
    • LaOhm
    • Thread
    • pioneer pl512 repair advice vintage
    • Replies: 9
    • Forum: Turntables
  3. S

    Baby's First Capacitor Repair / Replacement

    Purchased a hobby homemade set of monoblock amp a few months ago in Japan. Unfortunately one of the amps stopped working. Tried to swap tubes, cables, speakers - nothing. When I moved the amp from the shelf, I noticed an oily residue below it. I took a look at the inside amp and found what...
    • SadTrombone
    • Thread
    • capacitor repair advice repair advice help needed
    • Replies: 8
    • Forum: DIY
  4. B

    Yamaha m4 needs some help

    Hey all, first post here. I recently picked up a Yamaha M4 amp on Facebook. When we tested it it sounded good (BA A200 speakers) but had dirty pots. I have since cleaned the pots with deoxit and they turn smoothly. When I plugged everything in the right channel (speaker A) would go in and out...
    • Bootcoot
    • Thread
    • repair advice yamaha m-4
    • Replies: 22
    • Forum: Yamaha
  5. I

    Pioneer A-331

    Hi Guys, I'm new to these forums. I'm a qualified tech who's getting back into audio repair after a few years of absence. I have a Pioneer A-331 with no sound on all input circuits except the CD and only when the CD Direct button is turned on. The sound is less amplified, the Balance fader...
  6. A

    Restoring the lights on a Harman Kardon HK 430.

    Hello, This is my first post here. I've bought an otherwise pristine HK 430 off ebay here in Europe (Belgium to be specific). As mentioned by the seller, not all of the front panel lights work on my unit (attached photo). I've been looking at kits to replace the lamps on this unit and have so...
    • aamwgm
    • Thread
    • harman kardon 430 repair advice
    • Replies: 3
    • Forum: Solid State
  7. L

    Repair Sony SS-7300 Midrange "Diaphragm"

    Hello everyone, I’m relatively new to HiFi repairs and have been wanting to get an old HiFi system for quite some time now. I recently came across some old Sony SS7300 speakers, which I’ll be picking up soon. On one of the speakers, the diaphragm of the midrange driver is missing. The seller...
    • lucaspriv
    • Thread
    • diaphragm replacement repair advice vintage sony
    • Replies: 3
    • Forum: Speakers
  8. Z

    Pioneer SX-980 Stereo Indicator Lamp Failure

    Hello all, hope I'm posting this in the right forum as this is my first thread. Service Manual I have a SX-980 that is working in all but one area, the Stereo Indicator lamp. From what I know, it is either the lamp or the MPX Decoder. I'm having trouble locating the MPX Decoder for further...
    • zatchison
    • Thread
    • pioneer sx 980 repair advice stereo indicator lamp
    • Replies: 3
    • Forum: Pioneer Audio
  9. S

    Shopping for Caps and this doesn't look right.

    New to shopping for caps. Looking to replace these 8200 50v caps on an old Onkyo with one of the following https://www.digikey.com/en/products/detail/nichicon/LKG1H822MESBAK/7698791 or https://www.digikey.com/en/products/detail/cornell-dubilier-knowles/380LX822M050J452/1699765 but the lifespan...
  10. T

    Marantz 7C repair advice - San Francisco Bay Area

    Hi all, I recently inherited a Marantz 7C. After being assured it worked, I foolishly went to turn it on and the light on the front won’t turn on and doesn’t seem to work. Here are the internals/externals. Would anybody know of a place I can go in San Francisco (or the Bay Area generally) to...
    • tommysully
    • Thread
    • amp bay area marantz marantz 7c repair repair advice repair advice help needed san francisco tube vintage
    • Replies: 11
    • Forum: Marantz Audio
  11. J

    AKAI GXC-730D repair advice

    AKAI GXC-730D repair advice My AKAI cassette Deck is not functioning properly and I am requesting advice from the experts. I attached a video link showing the deck's issues.
  12. buckeye56

    EPI 100s

    I have a pair of EPI 100 speakers that need re-foaming, maybe some other work. I'm aware that there's a "specialist" in NH, I think, who works with EPIs. I don't want to send them up there, so how critical is it they be repaired with perhaps "dedicated" EPI materials, so-to-speak? Also, any...
    • buckeye56
    • Thread
    • epi 100 repair advice speakers
    • Replies: 19
    • Forum: Speakers
  13. I

    Luxman PD-264: Anti-Skating Not Working – AS Dial Moves Rod, No Effect

    Hi all, I’m dealing with an anti-skating issue on my Luxman PD-264. No matter how I adjust the dial (I’ve turned it fully each way), the tonearm consistently pulls toward the center. I see that the anti-skating dial pivots a thin rod underneath. The rod stretches from its pivot point into the...
    • Iterr
    • Thread
    • anti skate repair anti-skate anti-skating luxman luxman pd262 luxman pd264 pd-264 pd262 repair advice troubleshooting
    • Replies: 3
    • Forum: Turntables
  14. D

    Mission 70 Mk II drivers question

    Hey everyone! I just recently got a pair of Mission Model 70 MK II made in britain. 8 ohms 75 watts So good so far until i opened to see the interior, judging from the images on internet i think the drivers have been changed at some point. But im unable to see what kind of drivers they are...
  15. D

    Is there an Angie’s List for audio gear repair?

    Is there a list of reputable repair shops by location that have reviews? I have searched here trying to find someone to go through my Pioneer SX-1250 receiver (I’m the second owner), but the only post I saw was from 2015 and didn’t contain much helpful info. I’m in Phoenix, AZ. My receiver is...
  16. bornonatrain

    Sansui AU-417 Issues Ongoing

    Hi All, Long time first time. I have owned my Sansui AU-417 for over 12 years. Purchased through Craigslist in tandem with an AU-217. I believe it cost $150 total. Since then I have used KLH Model 5 speakers and this AU-417 as primary for Tape/CD/Tuner/Aux (Home theater > DAC). I'm not neophyte...
  17. 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
  18. streetlevel

    SA-706 Amplifier restore. Dead channel and more..

    Hi all I'm restoring a Pioneer SA-706 amp, my first real restoration project, and have come to a dead end. The amp was Originally blowing the main fuse and lighting up the DBT. I recapped the unit entirely and replaced multiple transistors. new Relay and filter caps also I found that...
  19. 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
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