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troubleshooting

  1. C

    Yamaha CR-640: Lights up but no sound.

    Hi AudioKarma, I am not a very smart man. I was recently gifted my father's Yamaha CR-640. The unit sounded great, it was just missing some lamps. I got replacement lamps today and replaced all four above the tuner. Now, this is where I made a HUGE mistake... I turned the unit on to make sure...
    • ChuckSunset
    • Thread
    • help! no sound receiver troubleshooting yamaha yamaha cr-640
    • Replies: 24
    • Forum: Yamaha
  2. Bungalow Dyl

    Sansui R-70 Troubleshooting

    Hi, I'd like to introduce myself first of all. I'm an avionics technician apprentice from Newfoundland, Canada's most easternly island province. I recently graduated college and moved west to the prairies. I have this old Sansui R-70 reciever and a pair of Audio Research AR 176A speakers. The...
    • Bungalow Dyl
    • Thread
    • first project sansui troubleshooting
    • Replies: 9
    • Forum: DIY
  3. Jinxt

    Troubleshooting: 2000A, no right channel.

    Just returned home from picking this receiver up on craigslist. Cleaned the wood case, sprayed the knobs down with deoxit and fumbled with them for around 20 minutes to try to get them clean. Hooked it up to my speakers and turntable, put on some Smashing Pumpkins and I hear the most glorious...
    • Jinxt
    • Thread
    • 2000a issues receiver sansui service troubleshooting
    • Replies: 3
    • Forum: Exclusively Sansui
  4. nightwing761

    New here, will this work:

    Hiya Audiokarma, I have recently gotten into playing Vinyls and have purchased a turntable. I ended up going with the Audio-Technica lp120usb. I know newer tt's get a hard time here but bare with me. It already has a preamp (which I'll replace later for a nicer one), and right now I'm trying...
    • nightwing761
    • Thread
    • audio receiver speakers troubleshooting turntable voltage wattage
    • Replies: 21
    • Forum: Turntables
  5. georgerm

    Mitsubishi DA-A15DC Transformer giving me fits...

    Hello all, I've got a pair of Mitsubishi da-a15dc power amps that have been sitting for years. Initially I was able to power both of them up, but each one displayed some type of problem. I took on the task of opening them up, inspecting and re-capping. During that process I found several issues...
    • georgerm
    • Thread
    • da-a15dc help! mitsubishi transformer troubleshooting
    • Replies: 6
    • Forum: DIY
  6. Two Steps

    Yamaha RX-700u Loudness Dial/Control Problem

    Hey all, In a recent purchase, I had a Yamaha RX-700u thrown in because the older woman was going to take it to Goodwill, so I gladly took it off her hands for free. I know that it could look like she was getting rid of it because it was broken, but I do not believe that to be the case. The...
    • Two Steps
    • Thread
    • balance channel volume eq louder loudness malfunction problem troubleshooting variable loudness control yamaha
    • Replies: 2
    • Forum: Solid State
  7. A

    AU-317 mkII troubleshooting - help appreciated

    If anyone has time to share some thoughts, it would be much appreciated. The 317 mkII stopped working. Cutting to the chase, I opened it up and did some checks. The following thread was most helpful...
  8. F

    Carver C-2 Headphone Output Reversed?

    I recently bought a Carver C-2 preamp on ebay, in slightly rough cosmetic shape but purportedly good working order. Having used it for a week or two now that seems to mostly be the case, but there's one really weird issue: the stereo on the headphone output is reversed. That is, the left...
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