• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

receiver

  1. Snow_

    Yamaha cr-820 relay not clicking, where to start troubleshooting?

    Hello folks, my yamaha cr-820 had shorted output transistors on the left channel, due to a broken piece of plastic allowing a short to the heatsink. I fixed that by replacing both of the left channel transistors and now the 68ohm fusible resistor doesnt burn up on me anymore. But neither does...
    • Snow_
    • Thread
    • help receiver troubleshoot yamaha yamaha cr-820
    • Replies: 18
    • Forum: DIY
  2. K

    Pioneer SA-610 NOS... worth $40 and a short drive??

    Hello all, I've been looking for components to build a secondary system in either the bedroom, or perhaps the garage. I came across a new old stock Pioneer SA-610 about an hour ago. According to the seller, it was bought brand new by his father, but never put in to service. It's still in the...
    • Kcusick81
    • Thread
    • integrated nos opinions pioneer receiver solid state thoughts?
    • Replies: 4
    • Forum: Dollars and Sense
  3. M

    Need AM Ferrite Bar 4 Yamaha CR2020

    I recently acquired a Yamaha CR2020 and the am ferrite bar antenna is broken. I'm new to the forum and to this world, but really want to listen again in the way I used to when I was younger, to vinyl etc., and the radio. Questions 1. I looked on eBay, there are no replacement Yamaha antenna...
    • Matapet
    • Thread
    • am antennas receiver yamaha
    • Replies: 2
    • Forum: Yamaha
  4. D

    Nakamichi AV-500 Receiver help

    Hi everyone! I am new here, looking for help with an issue my dad is having with his receiver. I'm not an expert so I hope you'll forgive any mistakes here! My dad has a Nakamichi AV-500 receiver, which he's had for around 25 years, and it's always worked great apart from some minor things...
    • dusacat
    • Thread
    • nakamichi nakamichi av-500 receiver troubleshooting
    • Replies: 0
    • Forum: Solid State
  5. D

    Marantz 4270 - Very weak left channel

    Hello! I bought a 4270 about 5 months ago. When I bought it, it has a very weak left channel, basically no sound. You have to turn the volume up all the way to get any sound out. Every other channel works fine. After pulling the pre-main bridges and putting the right preamp into the left main...
  6. E

    Sansui TR 707a - Tuner Light Modification

    Hello guys, first post here. I got my hands on an old Sansui TR707a receiver that has a lot of potential. I'm not a certified technician, I'm a hobbyist and I have restored/cleaned different units in the past, changed bulbs, did a bit of soldering, etc but I'm still a noob. What I would love to...
  7. W

    What's This from a HK 730

    Recently received my NEW/OLD Harman Kardon 730. I'm pretty adept at mechanical and electrical. I needed to take off the front in order to get to the push button switches which were in poor shape and were causing dropouts and noise. Lamps were out as well and function selector switch needed a...
  8. C

    Yamaha cr-420 intermittent distortion and bias drop. Output level triggered.

    Hello guys, I need your assistance once again. I bought a yamaha cr-420 for dirt cheap. Symptoms - distortion in left channel. I was surprised it worked flawlessly for like half an hour. Then it started to act up. Well, this was't the only problem. Right channel bias couldn't be adjusted. I...
    • Cichoslav
    • Thread
    • bias cr-420 distortion receiver yamaha
    • Replies: 14
    • Forum: Yamaha
  9. R

    Yamaha Amp or Receiver that will fit my headphones (DT 880 600OHM)

    Hi I am searching for a Yamaha Receiver or Amp that will fit my requirements. I am going to listen to music on my JBL LX44G speakers as well as on my Beyerdynamic Dt 880 (600 Ohm) headphones. The Amp/Receiver can be vintage as well I don't care. I am looking for a decent headphone sound that...
    • Ronin53
    • Thread
    • amp headphones receiver
    • Replies: 1
    • Forum: Yamaha
  10. T

    Sansui 551 receiver knob broken off?

    I just bought a sansui au 551 from a flea market and during the ride home the speaker selector knob broke off. This is very annoying as this is probably the hardest off all the switches / potentiometers on this device to replace as it also acts as a power switch. Any tips on how this can be...
  11. mcaddie7

    HarmAn Kardon 930 Bias Adjustment Help

    I want to preface this with I'm a pretty big nob and have never touched a transistor or biased anything. I have however recapped my Harmon Kardon 930 to what seems great success. There are several guides on this site for biasing this receiver but non include pictures and thus I really can't...
    • mcaddie7
    • Thread
    • bias adjustement harmon kardon harmon kardon 930 hk twin power receiver
    • Replies: 21
    • Forum: Solid State
  12. mcaddie7

    HARMAN Kardon 930 Restoration Process

    So bought a HK 930 and have been using it for several months. Given the superb shape of the thing, I wanted to make sure it would sing for another 40+ years and wanted to dip my toes in receiver restoration. I work in turntable currently but receivers are a lot more electrically technically...
    • mcaddie7
    • Thread
    • harmon kardon harmon kardon 930 hk twin power hk 930 receiver vintage
    • Replies: 61
    • Forum: Solid State
  13. A

    Nikko QSR-4040 Distortion Questions

    Hello AK users, I'm still working through my Nikko QSR-4040 quadraphonic receiver. I have gone through it; replaced caps, bulbs, cleaned controls twice, etc. However, when I got the unit it had bad bass distortion on both front channels, the rear mimics front in 2CH. I'll do more thorough...
  14. D

    Technics SA-R530 - No sound

    Hello, first post here. I recently bought an SA-R530 from goodwill. It turns on, the EQ syncs with the music playing, and everything appears to be working correctly. The problem is, I can't get it to output at all. I have tried the main, remote, and surround channels and nothing. I even...
  15. I

    Pairing help for a rookie and a small room

    Greetings, Audiokarma community. A few weeks ago I became curious about setting up my own stereo system since a friend of mine gave me a record player, and it seems to be in good shape. I've been reading forums and looking reviews about all types of hifi equipment (mostly receivers and speakers)...
    • iggytakov
    • Thread
    • bookshelf speaker harman kardon help help needed pairing receiver small room
    • Replies: 10
    • Forum: Speakers
  16. kevka

    JVC JR-S400 with a noise problem, any ideas?

    Hello and best regards! I have a JVC JR-S400 “Mark I” that is looking for some use. However, it doesn’t quite work as I had imagined. In and of itself, everything is almost fine, but there is always some sort of noise in the background that can also be influenced by changing the volume control...
    • kevka
    • Thread
    • amplifier jr-s400 jvc noise receiver
    • Replies: 0
    • Forum: Solid State
  17. SX828POWER

    Acquired my first Kenny Receiver - Kenwood KR 9400

    Good afternoon, all, I don't post on here as frequently as I would like, but anyways I felt compelled to share my latest audio purchase... I picked up a very nice KR 9400 last night not far from home. The guy was also offering a nice Eleven III, but I think the 9400 is a superior unit. The...
  18. F

    Diagnosing old Sansui

    First off I'm new to the site, glad to be here . I tried finding somewhere on reddit that could help me out but I figured here would net me better results. Tldr I was cleaning out aunt's shed and stumbled on this old Sansui 9900z that she ended up giving me and now I'm trying to get it...
  19. F

    Which receiver is better?

    Hi. Im thinking of getting the Klipsch Reference 5.1.4 surround speakers and nok im looking at a few receivers but sonet know which one to get. Im looking at the Yamaha TSR-700 7.2 surround receiver. And the Sony STR-DH790 - 7.2. The yamaha is nice because it has a bunch of features like google...
  20. F

    Any recomendations on a good home system

    Is there anyone who knows a good 5.1 or 7.1 surround sound system with or without atmos for a good price? I want thw whole package with receiver and speakers. Thanks in advance.
    • fhk
    • Thread
    • home theater receiver speakers speakers & amps surround sound
    • Replies: 11
    • Forum: Home Theater & Video
  21. AudioScout

    Marantz 2275 Receiver - No Sound Left Channel

    Receiver: Marantz 2275 Problem: No sound, left channel. (Both Speaker and Headphone) What I've done so far: Connected the main out and in via RCA and swapped the cables. Left Channel still out. Swapped P700 Output board positions. left Channel still out. Swapped Output capacitor positions...
  22. davstev

    Sansui 210: A channel dead and humming

    Hi folks, I have acquired a nice Sansui 210 that has one channel with a consistent humm but with no actual signal. Hum is unaffected by volume. Other channel working fine, no hum. Any suggestions as to where to begin? Previous owner said there was an audible pop of some kind leading to its...
  23. 1

    Sony GX909ES volume control issues

    I have a nice unit in excellent condition other than the motor that controls the volume intermittently does not work. However typically you can manually move the nob around then you can remotely control it again. Looking for any recommendations to fix this issue. Thanks
  24. Keymaster

    JVC Receiver powers up and comes out of protection, but I have 12 VDC backfeeding out of the RCA inputs.....

    I picked up a JVC RX-705V recently in a bundle of gear. Unfortunately, it was sold untested and everything worked except this receiver. It will power up, come out of protection in just a couple of seconds but that's where the good news ends. There are two things that stand out at first. With...
  25. M

    Yamaha CR-1020 Case Measurements

    Hey folks, I was just wondering if one of your number could do me a favour and measure their original Yamaha CR-1020 case from the front edge that butts up against the faceplate to the front edge of the top grill? I have my receiver out for reconditioning a few hours away and forgot to take...
    • Marc44
    • Thread
    • cabinet case receiver wood yamaha
    • Replies: 1
    • Forum: Yamaha
Back
Top Bottom