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trev
Copper Member

Canada
1 Posts
Posted - 05/21/2008 :  16:54:41  Show Profile  Reply with Quote
Hello!
Can anyone tell me where/who can return the trim pots of a 1982 DM-2 to they're original fatory settings? I got the pedal dirt cheap, because there's a slight "digital"-type distortion present on the repeats, when the delay times are turned up. I think someone messed with trim pots... Any suggestions are welcome/appriciated...
Edited by - trev on 05/21/2008 16:59:04

Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 05/21/2008 :  17:27:02  Show Profile  Visit Laurie's Homepage  Reply with Quote
HAH!! Exactly the same as the problem with my DM-2. See the end of this thread:
http://www.bossarea.com/forum/topic.asp?TOPIC_ID=4507&whichpage=3

Go to this web site for the service notes. You will need an oscilloscope to do the adjustments...
http://www.godiksennet.com/default.asp?main=Schematics
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bossarea
Forum Admin

United Kingdom
3652 Posts
Posted - 05/21/2008 :  17:30:25  Show Profile  Visit bossarea's Homepage  Reply with Quote
You need a signal generator and a scope to be sure you get it back to the original setting. You can find the schematic here with adjustment instructions. I guess it's possible to set the trim pots by ear but I wouldn't trust my own.

Edit: Doh, spent time searching for the schematic and Laurie beat me to it
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Dr. Bob
Moderator

Australia
6593 Posts
Posted - 05/22/2008 :  08:35:16  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
Hi trev

Welcome to the from from Australia.

Regards Dr. Bob
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DeFrag
Moderator

USA
3409 Posts
Posted - 05/22/2008 :  08:40:42  Show Profile  Visit DeFrag's Homepage  Click to see DeFrag's MSN Messenger address  Reply with Quote
Welcome to Bossarea trev!

Oh, & Laurie has 666 posts.. bwahhaha..
Edited by - DeFrag on 05/22/2008 08:43:20
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Dr. Bob
Moderator

Australia
6593 Posts
Posted - 05/22/2008 :  09:06:23  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
quote:
Originally posted by DeFrag

Welcome to Bossarea trev!

Oh, & Laurie has 666 posts.. bwahhaha..



Maybe that's why his DM-2 was in such bad condition...

Regards Dr. Bob
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Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 05/22/2008 :  14:11:24  Show Profile  Visit Laurie's Homepage  Reply with Quote
Yeah... I was going to comment on the 666 thing, but of course if I did, I would have become 667 by doing it
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Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 05/23/2008 :  01:01:31  Show Profile  Visit Laurie's Homepage  Reply with Quote
quote:
Originally posted by trev

Hello!
Can anyone tell me where/who can return the trim pots of a 1982 DM-2 to they're original fatory settings? I got the pedal dirt cheap, because there's a slight "digital"-type distortion present on the repeats, when the delay times are turned up. I think someone messed with trim pots... Any suggestions are welcome/appriciated...



G'day Trev!

Have you had a chance to try the adjustments yet? I havent got to mine yet - will do on the weekend.
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