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fm muting

  1. G

    Project/One Mark IVB - Deviton 4080 FM mute and stereo problem

    Hi guys, I've encountered an odd problem with this Deviton 4080 receiver I've pickup up. First of all, it's an obscure German rebranding of an already obscure Project/One mark IVB receiver. (It says Mark IVB on the transformer and meters.) So I haven't been able to find any schematics or...
    • Gertjan90
    • Thread
    • deviton fm muting fm stereo ha1137w mark ivb project/one
    • Replies: 0
    • Forum: Solid State
  2. tusntuk2

    Could use some help on a +B Power Supply problem in a Kenwood KR-5600

    I'm restoring a Kenwood KR-5600 that was in working condition, at least I know the FM and the Tape inputs were working, and I started with the power supply. The KR-5600 has a history of heat problems with its design, so I boosted the clumped resistors to 3 watts and the caps to UPW 100/50v...
  3. tusntuk2

    Could use some help on a +B puzzle in a Kenwood KR-5600

    I'm restoring a Kenwood KR-5600 that was in working condition, at least I know the FM and the Tape inputs were working, and I started with the power supply. The KR-5600 has a history of heat problems with its design, so I boosted the clumped resistors to 3 watts and the caps to UPW 100/50v...
    • tusntuk2
    • Thread
    • 2630-10 fm muting kenwood kr-5600 phono ic's power supply rails recapping
    • Replies: 3
    • Forum: Solid State
  4. goldswimmerb

    Sansui 7000FM Muting Question

    Hey, so I have a Sansui 7000 here want wanted to know what the normal behavior of the FM muting is with this unit, basically this one seems to not mute without an antenna, once an antenna is added FM muting works as it should, muting between stations. I've tried adjusting the muting threshold...
  5. R

    CR-620 FM Mute Issues

    Long time reader, but first time member to AK. I need some help with my CR-620. Like other folks, I obtained this Yamaha for the spare change in my pocket at a garage sale. Bought it mostly because of the way it looked. It has been my trusty garage unit for some time, and I recently decided to...
    • rbatty
    • Thread
    • cr-620 fm muting
    • Replies: 5
    • Forum: Yamaha
  6. Michael Bishop

    Pioneer SX-1250 FM muting not working

    My Pioneer SX-1250 has developed a problem where the FM muting between stations no longer works. With my volt/ohm meter, I have verified that the issue is not the muting switch, nor the wiring from the switch board to the FM tuner board. Looking at the FM tuner board, I see no obvious visual...
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