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Evgen74 23rd October 2012 11:39 AM

I need help/ dd m1 old
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Hello from Russia. Sorry for my bad English.
Need help with amplifier DD m1. burned board EOB-013-22 control board power supply.
need a diagram or photo. Or where I can not find.

Perry Babin 23rd October 2012 12:03 PM

1 Attachment(s)
Post a good quality photo of the face of the driver board if no one can help. It may be similar to other amps.

What do you need to be able to see in a photo? The following photo should be similar to your board. If it is, email me. I have a diagram that should be close.

Evgen74 23rd October 2012 12:25 PM

Thank you very much for the detailed photo!!!!
If there is a scheme can and put?

Evgen74 23rd October 2012 12:44 PM

1 Attachment(s)
Here is the board itself

Perry Babin 23rd October 2012 01:22 PM

1 Attachment(s)
The carbonized parts of the board will have to be cut away.

The attached photo shows one way to repair these boards. The collectors are soldered to the ground plane on the back of the board. The terminals of the two 220 ohm resistors (that you can't see in the photo) are soldered to pins 9 and 10.

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