Project: Upgrading Mitsubishi DA-A10 to DA-A15 - diyAudio
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Old 10th July 2012, 04:51 PM   #1
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Lightbulb Project: Upgrading Mitsubishi DA-A10 to DA-A15

I wanted to upgrade my Mitsubishi amp in a while, and decided to just get in up to 150 watts instead as it drives my JBL S7 system extremely well.

There are only a few parts that need to be replaces in the DA-A10 to get in to the DA-A15. The power transistors, the "Big Cans" (.10F to .12F), some diodes and the Big Cans Casing. This is all from the service manual (Yes there is a specific page named "Parts different from DA-A10's")

So far, I know I need:
  1. 4x 2SC1585 Transistors
  2. 4x 2SA908 Transistors
  3. 1x 2SB616 Transistors
  4. 2x 10D2 Diodes
  5. 2/4 x SS-5 Diodes
  6. 2/4x SS-5R Diodes
  7. 2x 0.12F Capacitors and their Casing***

***If I'm not able to find the capacitor kit with its casing that fits on the amp, I'll try to find a capacitor that fits the current Casing.

That's all I have for now.
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Old 10th July 2012, 05:30 PM   #2
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Hello dont you think you are missing something?? Isnt the supply voltages diferent???

regards
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Old 10th July 2012, 05:41 PM   #3
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Quote:
Originally Posted by vicelord View Post
Hello dont you think you are missing something?? Isnt the supply voltages diferent???

regards
I guess you're right, I'll have to look deeper into that, but for now i'll just order the parts I know.

As of the Schematics: T11 and T51 (Transformers)
DA-A10DC 220V to 34V
DA-A15DC 220V to 40V

Weird thing is, in the service manual they don't make any reference to T11 and T51 at any point.
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