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Sansui 6060 Receiver - Noisy/Staticy Audio one channel!

Discussion in 'Electronic Repair' started by [email protected], Jan 18, 2007.

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  1. Guest

    I am working on a Sansui 6060 receiver that has one channel
    noisy/staticy when powered on. I've seen the noise on the 'scope but
    cannot track the bugger down. I have no s/m so it makes it harder to
    diagnose. Have anyone had this problem with this receiver before?
    Does anyone have the manual or schematic to send me? Thanks!
     
  2. Meat Plow

    Meat Plow Guest

    Noise all the time or does it go away?
     
  3. BOB Urz

    BOB Urz Guest

    clean the pots and switches with a contact cleaner preservative
    such as Caig pro gold.

    Bob
     
  4. Tim Schwartz

    Tim Schwartz Guest


    Hello,

    I've seen a couple of Sansui receivers that have 150 ohm, .25 watt
    'fuseable' resistors that go WAY off value or open in the power amps,
    and can cause all sorts of problems. Oddly the other resistors of the
    same type seem to be OK. I cant remember if they are used in the x0x0
    series of receiver or the 'G' series, or both. Have a look to see if
    this amp uses them.

    WARNING: replacing parts in the power amp requires that you check the
    bias and DC offset adjustments when done. If you can't do this, then
    send the amp to a repair shop that can.

    Also please note that there are many other problems that can cause
    staticy noise in the unit. If the receiver has pre-main jumpers, pull
    them out and see if the problem goes away. If the noise is gone, then
    the problem is likely in the preamp section. Best of luck.

    Regards,
    Tim Schwartz
    Bristol Electronics
     
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