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varistors

  1. drmazzei

    Marantz 2230 Varistor replacement

    While re-capping my Marantz 2230 P750 board, the varistor H005 (su-3a) wire broke off. Since this particular part (#HV0000212) isn't made anymore, what is an acceptable replacement?
  2. C

    Replacing a Varistor

    I'm working on a MC2105 for a friend and had it working great. He brought it back a week later with a blown main fuse. After examining, the varistor near the main filter caps started smoking, cracked, and the main 5A fuse blew. It looks like he may have had a power surge of some sort. I replaced...
  3. MBuras

    Modern Sub for MV-1 Varistor?

    I'm in the middle of a Marantz 1122DC restoration and originally noted the amp boards were missing four of the MV-1 varistors listed in the service manual. Once I pulled the board apart I found them on the backside (why?), covered in clear shrink and nasty glue. Looks like they're black and...
    • MBuras
    • Thread
    • diodes epoxy mv-1 varistors
    • Replies: 2
    • Forum: Solid State
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