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troubleshooting amplifier

  1. S

    Pioneer A-8 static noise

    Hello. Recently found my parents old Pioneer A-8 amplifier, but it makes this loud static noise which makes it annoying to listen to anything. The loudness of the static is relative to how much the treble is turned up or down. The amp also has a "line straight" button which makes the signal...
    • SakVil
    • Thread
    • pioneer static/hiss troubleshooting amplifier
    • Replies: 1
    • Forum: Solid State
  2. 24hrPrtyPrsn

    “Check DSP ROM” Error on SR5001. Desperately need help/guidance on a journey through DIY repair (very little prior experience).

    Hi, I have an older model Marantz receiver and I’ve been getting a recurring error that says “Check DSP ROM”. Started to take it apart to get into the guts of the unit and am finding that I have almost no clue what I’m doing once I get there. EEK. First off, I do want to try to fix this unit...
  3. _charizard

    Right channel stops working when volume is low

    Amp in question is Adcom GCA 510. Already happend when i bought it then i took it for cleaning and after a year it started happening again. So it works perfectly fine when volume is decently high (above 10-15% on amp and 100% in windows) and when i want to listen slightly quieter sometimes right...
    • _charizard
    • Thread
    • troubleshooting troubleshooting amplifier
    • Replies: 10
    • Forum: Solid State
  4. M

    Beloved MCS 3865 Amp Right channel started popping. Thoughts?

    I have been using a Modular Component Systems 3865 in my workshop. It has plenty of power to drive my Technics SB-G800 (97 db/watt) speakers. Have used it for 2 years until the right channel just started popping loudly every minute or less. Needle jumps (yes, one needle still works on the watt...
    • MarkHaslett
    • Thread
    • amplifier audio amplifier repair mcs mcs 3865 modular component system amplifier troubleshooting amplifier
    • Replies: 10
    • Forum: General Audio Discussion
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