test

Well what happened is you've shorted the negative rail to ground. Judging by your module dates I'm going to make the assumption you've got a doepfer linear PSU. It's more than likely you need a new LM337 regulator. You will also need a new piece of insulation to go between the regulator and heat sink. I built my own PSU without remembering to insulate the heat sink and the regulator blew immediately.

On 23 Oct 2016, at 07:38, sj230962@... 1 < Doepfer_a100@yahoogroups.com > wrote:

EDIT.....

dismantled all of the modules from the monster base- issue is that there is no -12V getting to the 2 left hand side power boards...so its not a module problem (I should have checked the modules in a different case).

Question now moves onto why I have no -12V, but I do have +12V

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27227 Re: 1 Re: Both My A-118s and an A-140 have failed