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Transformer is blown

I am trying to get a replacement transformer or even the value for this unit (AKAI AM-A1) problem is it about 20 years old,help!

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Hi,

Have you checked to see if the thermal fuse has failed on the transoformer. This can be repaired. Get back to me here if you want to know more about it.

regards
robotek

Posted on Nov 17, 2008

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My one year old microwave just stopped working. The light is on, but nothing else.


Sorry to read about your problem, I hope this helps you out.

here are some issues, but you still maybe under warranty.
  1. Blown fuse in HV transformer primary circuit or HV fuse (if used).
  2. Bad connections (particularly to magnetron filament).
  3. Open thermal protector or thermal fuse.
  4. Open HV capacitor, HV diode, HV transformer, or magnetron filament.
  5. Shorted HV diode, HV capacitor (will blow a fuse), or magnetron.
  6. Damaged protective VDR from filament to chassis (not commonly used).
  7. Defective HV relay (not commonly used).
Microwaves must be serviced by technicians due to the inherent dangers involved in repairing these appliances. Internal capacitors can retain a lethal electrical charge even though the unit is completely unplugged. A microwave radiation leakage test must be performed on the unit following any internal component repair.

I tried to help you. Please help me and Rate/Vote on my response. We take the time to answer your question's. take the time to rate us.Thanks and good luck

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Yes, you need to have service manual copy to repair this complicated tv. Below is an image of required service manual for this tv that can be downloaded from some sites for small fee.

60f98b4.jpg

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You have not mentioned the make and model of the oven. Any way you can check if there is a fuse between the highvoltage terminal of the transformer and the high voltage capacitor. If it is blown off youcan replace it by similar value. Still it is not heating you have to replace the magnetron.

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I'm not sure if Akai has made any of the sets that carry their name; some have come from Samsung and others purportedly by Funai but when I have tried to find service information on given models, it has been a dead end regardless of who made it. The true manufacturers refuse to recognize model numbers assigned by Akai.
If you had just burned resistors, I might be able to help you but when missing, you're kind of stuck. 

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Have a nearly 30-year old Akai stereo receiver AA-R30. Power light just stopped turning on. Opened up case and found main fuse between AC power cord and power transformer blown. When I replace the fuse,...


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