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Mesjoggah
Gold Member

Netherlands
595 Posts
Posted - 12/05/2008 :  13:09:12  Show Profile  Click to see Mesjoggah's MSN Messenger address  Reply with Quote
Boss PS-3 pitch shifter/delay s/n zg47652 july 1994
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DeFrag
Moderator

USA
3409 Posts
Posted - 12/10/2008 :  21:20:48  Show Profile  Visit DeFrag's Homepage  Click to see DeFrag's MSN Messenger address  Reply with Quote
Here's a link to many internal pedal pics:
http://www.beavisaudio.com/gg/index.htm
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Dr. Bob
Moderator

Australia
6593 Posts
Posted - 12/11/2008 :  11:41:07  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
Hi DeFrag

Some very nice pics there.
I like the ones of the Dd-20.

Thanks for the link.

Regards Dr. Bob
4300
Edited by - Dr. Bob on 12/11/2008 11:41:35
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samseng
Copper Member

Singapore
1 Posts
Posted - 12/18/2008 :  18:09:16  Show Profile  Reply with Quote
quote:
Originally posted by plautz

Well, this is my first post.
I have only one GE-7 (MIT) that I fix. Serial number is BF64073 and was produced in november 1993. The unit number is 24073.

Solder Side:



Download Attachment: ge7-brd.jpg
125.87�KB

Components Side:



Download Attachment: ge7-boardcompos1.jpg
113.04�KB

Thanks for all and sorry for my Bad English.




Hello everyone. Its my first time posting here and I'm from Singapore.
This looks like its GE-7 MIJ. And IC1 had been replaced with TL072CP.
I have enhance the photo. Refer to Monte Allums site here http://www.monteallums.com/images/GE7_Vin.jpg and the MIT version here http://www.monteallums.com/images/GE7_New.jpg
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DeFrag
Moderator

USA
3409 Posts
Posted - 12/18/2008 :  18:32:18  Show Profile  Visit DeFrag's Homepage  Click to see DeFrag's MSN Messenger address  Reply with Quote
Welcome to Bossarea samseng!
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MullyFX
Gold Member

Germany
753 Posts
Posted - 12/22/2008 :  17:38:18  Show Profile  Visit MullyFX's Homepage  Reply with Quote
t.c. electronic SPE Sustain + Parametric EQ (original version)
Edited by - MullyFX on 12/22/2008 17:38:39
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Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 12/22/2008 :  22:49:15  Show Profile  Visit Laurie's Homepage  Reply with Quote
Current version, made in USA Electro-harmonix Big Muff Pi. Date unknown. Serial N/A (these don't have a serial).
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Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 12/25/2008 :  05:40:36  Show Profile  Visit Laurie's Homepage  Reply with Quote
Boss digital CH-1, MIT, ES59599
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Mesjoggah
Gold Member

Netherlands
595 Posts
Posted - 12/25/2008 :  07:47:43  Show Profile  Click to see Mesjoggah's MSN Messenger address  Reply with Quote
Boss HM-2 mij S/N 621900 jan. 1986
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Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 12/28/2008 :  19:24:24  Show Profile  Visit Laurie's Homepage  Reply with Quote
DD-3 "digital" MIT S/N: GW17095

Note: IC1 (4558 SMD opamp) has been replaced by a non SMD version on this board.
Edited by - Laurie on 12/29/2008 06:05:43
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verivorax
Platinum Member

Canada
1185 Posts
Posted - 12/30/2008 :  13:17:56  Show Profile  Reply with Quote
I can't believe there's no SD-1 in this thread, at least, according to the index. So I did a twin pic of my two SD-1s for comparison. One has no serial to speak of, but does have the JRC chip. If anyone knows how to date these chips, that'd be handy - I can't find a reference anywhere.

Two SD-1s.. Left - no serial, unknown date, likely MIJ (from original purchaser's memory). Right, #267500, Jan.83. Note the difference in substrate colours.. both chips are JRC4558DD - which I'm assuming should be normal for their age.




Board from #267500. Inset: chip detail from SD-1 of unknown date. Does the code on the 4558DD help to date this in any way?




DC-2 #613300, Dec.85.



solder side.. no actual burnt look - that's photoshop to bring down the flash flare.


better view of the switches:


--

All the flash and flare problems I've been having when taking pics of pedals and internals makes me want to set up a little macro rig with some nice flashes.. hopefully I'll have a chance to do it during the break.
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Mesjoggah
Gold Member

Netherlands
595 Posts
Posted - 12/30/2008 :  17:45:33  Show Profile  Click to see Mesjoggah's MSN Messenger address  Reply with Quote
The one on the left is newer than the right one.
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verivorax
Platinum Member

Canada
1185 Posts
Posted - 12/30/2008 :  19:00:37  Show Profile  Reply with Quote
That's straightforward enough..

I was wondering about actually dating them.. The GE-7 on this page is from 1993 and its JRC4558DD is coded 32479. The Jan83 SD-1's says "2462". Can we calibrate a rough date-coding system from the JRCs in pedals with known production dates?
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fabs
Silver Member

France
213 Posts
Posted - 01/02/2009 :  18:04:12  Show Profile  Reply with Quote
Ibanez OD-9 MIJ 1983
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Right Foot Boss
Gold Member

USA
881 Posts
Posted - 01/03/2009 :  06:41:58  Show Profile  Visit Right Foot Boss's Homepage  Send Right Foot Boss an AOL message  Reply with Quote
My first post and second visit to this part of the forum.

A Maxtone distortion.





Sorry forgot the exterior
Edited by - Right Foot Boss on 01/03/2009 06:47:29
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