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Lots of problems please help!

I have the CA 3550 i got it for Christmas 2 years ago. i stopped using it when i lost the power supply about a year and a half ago. Now when i go to plug it in it just buzzes and thats it. no power light on or anything just buzzing. but when i plug in a smaller output plug the lights turn on but still buzzing.

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Re: Lots of problems please help!

  1. firstly you check the cable loose/break,
  2. check it by using multimeter
  3. dry soldering, loose contact
  4. resolder soldering points or reconnect cable
  5. your powersupply transformer coil may breaked now it become loose contact.
  6. you check the supply output voltage with and without load
  7. if low or no output voltage replace supply
  8. if you don't get the proper transformer rewind it
  9. also check power amplifier section short ckt

Posted on Jan 17, 2008

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