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No fader, No poti movement

Discussion board for Mackie's d8b Digital Console users.

Re: No fader, No poti movement

Postby schehf » Tue Apr 29, 2014 3:03 pm

Here is a little video of the d8b
what it does and what it does not do.

http://youtu.be/eVJJ4UeXZbA

If anyone has a suggestion, that would be very appreciated.
Thank you !
schehf
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Re: No fader, No poti movement

Postby TerryO » Tue Apr 29, 2014 4:15 pm

Hi, Me again! Having looked at your video and heard about the connecting of the board to 230 volts I suspect that the Linear/Analog power supply has been damaged. The transformer is designed to work on 110v. (I can see 110 marked on it). This PSU provides + and - 16v and 48volts. There are 3 fuses on that power supply. Have you checked them? If they are OK, with the aid of a meter, I'd check that the transformer is functioning. Good luck.
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Re: No fader, No poti movement

Postby schehf » Wed Apr 30, 2014 2:16 am

Thank you!
schehf
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Re: No fader, No poti movement

Postby schehf » Mon May 12, 2014 10:44 pm

TerryO wrote:Hi, Me again! Having looked at your video and heard about the connecting of the board to 230 volts I suspect that the Linear/Analog power supply has been damaged. The transformer is designed to work on 110v. (I can see 110 marked on it). This PSU provides + and - 16v and 48volts. There are 3 fuses on that power supply. Have you checked them? If they are OK, with the aid of a meter, I'd check that the transformer is functioning. Good luck.


Thanks again for your help.
Finally it works now. I am so happy.

I checked all the voltages on the LInear Power Supply Board
and saw that the Transformer only gets 20V instead of the full 110V
So I changed the Fuse before the distribution of the transformer, even though it looks OK
and now everything works. Fader, Potis, Sound.
Perfect!

Thanks again.
schehf
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Posts: 12
Joined: Sat Mar 29, 2014 1:28 am

Re: No fader, No poti movement

Postby TerryO » Mon May 12, 2014 11:22 pm

That's great. Well done!
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