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 me-5 working but chorus/flange dead?
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micro
Copper Member

France
4 Posts

Posted - 03/06/2010 :  13:53:11  Show Profile  Visit micro's Homepage  Reply with Quote
Hi all - I picked up my mysecond ME-5 the other day - it all works fine except the chrous/flange section is barely audible - very barely - but is definitely there I can just hear the effects of changing the rate etc. I have done a factory reset.

I am hoping its something simple like a bias trim pot but I cannot find a schematic for the me-5 I have checked all the usual sites.

Any suggestions would be appreciated thanks.

Dirk_Hendrik
Copper Member

Netherlands
28 Posts

Posted - 03/06/2010 :  14:37:36  Show Profile  Visit Dirk_Hendrik's Homepage  Reply with Quote
here you go;
http://www.dirk-hendrik.com/temp/ME-5.pdf
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micro
Copper Member

France
4 Posts

Posted - 03/06/2010 :  15:22:34  Show Profile  Visit micro's Homepage  Reply with Quote
thanks Dirk - I am going through that now , will report back.
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Dr. Bob
Moderator

Australia
6593 Posts

Posted - 03/06/2010 :  16:08:26  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
Hi micro
Welcome to the forum from Australia.

I see Dirk_Hendrik has helped you out already.
Good luck and;
Please keep us informed with the progress of your ME-5.

Regards Dr. Bob
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micro
Copper Member

France
4 Posts

Posted - 03/06/2010 :  17:21:52  Show Profile  Visit micro's Homepage  Reply with Quote
Hi Bob

Well I have run through all the diagnostics but I do not seem to have +6 / -6 V feeding into the flanger/circuit from IC4 - pin 2 is reading +1.4V in all chorus (1) flanger modes (2-5)

However this I imagine is simply a switch signal so perhaps does not explain the fact that the flanger is faintly audible when switched on - say, 5% of what I think would be its full value. I suppose a problem in the depth control area would explain that - I will take a look at that part of the diagnostics again. Not sure what I am looking for exactly though.

And unfortunately that is the extent of my electronics skills reached - but I have big ears for listening!
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micro
Copper Member

France
4 Posts

Posted - 03/07/2010 :  12:57:41  Show Profile  Visit micro's Homepage  Reply with Quote
well I am not going to pursue this one - there are pops when switching between patches , plus there are signs someone has 'had a go' before me ...

this one is going back to the seller I am afraid

thanks anyway folks
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