[sdiy] 909 power supply diode

[Trevor Page]

Hi Mark,

These are zener diodes. They are 6.8V and 5.6V zeners respectively. So you
need to obtain a 5.6V zener diode- very easy to obtain.

Hope this helps.

Trev

==========

----- Original Message -----
From: mark verbos <a0284520 at addcom.de>
To: synth DIY <synth-diy at node12b53.a2000.nl>
Sent: Friday, February 23, 2001 1:25 PM
Subject: [sdiy] 909 power supply diode


> Hello-
>
> I have a tr-909 that doesn't like the AC line I have to give it. (note
> it is a US power version and I live in Germany. I have 2 converters and
> it only works at all from one) If I make too many LEDS turn on, it shuts
> off for a second and restarts. This is rather annoying.
>
> I found a note on the net somewhere about how later models changed diode
> D701 from RD6.8JB2 to RD5.6JB2 and that it allows reliable opperation
> from up to 20% below optimal voltage. I would like to perform this mod
> on mine, but I don't know exactly what these diodes are. Is there a
> western equivalent?
>
> thanks in advance.
>
> --
> mark verbos
>
> "if you want something done right, build it yourself."
>
> verbos at simple-answer.com
> www.simple-answer.com
>
> watch out for...
> on my label SIMPLE ANSWER "World of Illusion" Simple Answer 003 and
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> Integrale, UK
>
> also...
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> I have moved to Berlin!
>
>
>