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resistor burned

  1. J

    Kenwood KA-3500 blown resistor after recap

    Hi all, I've been using my dad's old KA-3500 for some time now and it started to have some channel imbalance a few months ago. Just finished a full recap today. However, when I powered it on I saw a glow in the reflection of the heatsink plus a bit of smoke. I immediately turned it off and tried...
  2. J

    Resistor Fail Modes in Vintage Receiver (Marantz)

    Hi All, Do you know what might be the most probable failure mode for a resistor within a vintage receiver? The context: I recently opened up my Marantz 2220B for a cleaning and I realized a resistor within the power supply assembly board (R805; 330 ohms, 2W, 5%) looked very discolored with dark...
    • jorgealk
    • Thread
    • capacitors marantz recap and restoration resistor burned resistors restoration help
    • Replies: 19
    • Forum: DIY
  3. G

    Denon PMA-925R burns resistor

    Hi! I need some help finding out whats wrong with a Denon PMA-925R amp. Right after a relay clicks in, it makes burning smell and maybe after 5-10 seconds, there was a smoke. Any ideas on what can be causing this? One channel seemed to work fine. While the other one didnt produce any sound and...
    • GytisB
    • Thread
    • denon denon pma denon pma-925r pma-925r resistor resistor burned
    • Replies: 0
    • Forum: DIY
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