ADA Preamps > Original MP-1

Fixing Richards 240v MP-1

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rnolan:
So I bought this MP-1 a while ago and also got a US MP-1 in the deal.  The US one works fine.  The 240v MP-1 worked ok for 15 mins or so then stopped responding to program changes and now won't boot up completely.  So when you power it on it goes through some checks, display 1.38 (EPROM version) the displays ADA and goes no further.

I have given it to my tech Tim to fix and also created an account for him on here (username Tim) So he can hopefully post about the repair and also ask questions etc if/as needed.  Obviously any ideas anyone has will be greatly appreciated.

So far he thinks its power related (IIRC MJMP said that to ages ago when I first fired it up).  So first he said he'd check the caps around the power supply.

MarshallJMP:
What's a power relater????

So it starts up or does it get stuck in the boot sequence?

MikeB:
Pretty sure he means "power related".

MarshallJMP:
Ah yes I see it now, stupid of me  :facepalm:

Dante:
Fun fact: the power relator comes directly after the powerlator

move along...nothing to see here... C:-)

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