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pm7200

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    Marantz PM7200 doesn't start after cleaning

    Hello everyone. I would like to get your ideas what went wrong with my amp. I bought it recently and it was very dirty - all pcb’s were covered with thick layer of dust. I cleaned dust with brush and pcb with spirit and contact cleaner, then cleaned with cotton buds. After that I switched on...
  2. M

    Marantz PM7200 Can't adjust Idle Current and DC Offset

    Thanks for reading me: After i repaired the speaker protection board of that amplifier, all was ok. So I then proceeded to adjust iddle current, got it, then DC offset. Oh, bboy. At that stage, on the left channel, after first seeing normal readings while moving the trimpot to get to the...
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    Marantz PM7200 lack of power?

    Allô everyone, thanks for this forum and your attention. This Marantz PM7200 cuts out the sound on both channels for a half a second on transients, and recovers. Until the next transient. It will do it as well on not very dynamic music with volume pushed, at the slightest peak. It does that on...
    • mossieurclo
    • Thread
    • capacitors marantz pm7200 power sound cuts out
    • Replies: 11
    • Forum: Solid State
  4. D

    PM7200 recap + reamp

    Hi, I've a PM7200, which is 15 years old and well used, it runs hot so which doesn't help interms of aging components, so I figured I'd share my experiences to help anyone modding theirs. So I started off cleaning out years of dust that accumulated in the heatsinks. I decided to upgrade all the...
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