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 Non working DS-2 (want to bring back from the dead		  New Topic  Reply to Topic
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/09/2010 :  03:46:17  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
i just purchased a non working DS-2 (intentionally)

and am wanting to bring it back from the dead

should be here tomorrow

would like to know where to start diagnosing it

all the person said/all i know is that "it doesnt work"

will post more when i rec' the pedal

zerksies
Double Platinum Member

USA
3406 Posts
Posted - 04/09/2010 :  04:01:39  Show Profile  Send zerksies an AOL message  Click to see zerksies's MSN Messenger address  Send zerksies a Yahoo! Message  Reply with Quote
build an audio probe

http://www.bossarea.com/forum/topic.asp?TOPIC_ID=6284
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/09/2010 :  04:31:10  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
quote:
Originally posted by zerksies

build an audio probe

http://www.bossarea.com/forum/topic.asp?TOPIC_ID=6284


already did a while back

when i was modding my DS-1
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Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 04/09/2010 :  04:37:02  Show Profile  Visit Laurie's Homepage  Reply with Quote
Then we wait... need SOME hard data about what it is doing.
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/09/2010 :  04:49:34  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
is this a good schematic

http://www.freeinfosociety.com/electronics/schematics/audio/pictures/bossds2.gif
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Ptak
Bronze Member

141 Posts
Posted - 04/09/2010 :  06:32:53  Show Profile  Reply with Quote
I've brought my ds-2 back from the dead around three times now lol i modded it up and shes soundin sweeet. Yeah you kind of jumped the gun on this thread huh...
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/09/2010 :  22:19:44  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
ok........just found the DS-2 on my doorstep

need pics first to do a visual inspection, (burnt parts, etc. although i dont see any thing burnt) or go ahead and probe for signal?

internal pic coming
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MullyFX
Gold Member

Germany
753 Posts
Posted - 04/09/2010 :  22:32:17  Show Profile  Visit MullyFX's Homepage  Reply with Quote
I'd start with cleaning the inputs and outputs and then try to see if it still works.
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/09/2010 :  22:55:37  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
ther is only one wire connected to the remote jack

no wires connected to the other three legs of the remote jack

is this correct or not?
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Pepe
Silver Member

Germany
230 Posts
Posted - 04/09/2010 :  23:11:53  Show Profile  Visit Pepe's Homepage  Reply with Quote
It's the same at my OD-2R and it works! I have also been surprised to see only one connection!
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Laurie
Double Platinum Member

Canada
4854 Posts
Posted - 04/09/2010 :  23:18:19  Show Profile  Visit Laurie's Homepage  Reply with Quote
quote:
Originally posted by PepeMusic

I have also been surprised to see only one connection!
The ground connection is done through the pedal body. Those little spikey washers between the jack and pedal body are essential - they connect the "sleeve" of the jack to ground (the pedal case). It is done like that instead of with a ground wire in many cases to minimise ground-loops (hum).
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/09/2010 :  23:24:14  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
here we go guys..............

not getting any power/signal whatsoever plugged into adapter and/or w/battery...power LED not coming on either way...nothing at all w/ probe
Edited by - kelmaur on 04/09/2010 23:46:58
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zerksies
Double Platinum Member

USA
3406 Posts
Posted - 04/09/2010 :  23:46:56  Show Profile  Send zerksies an AOL message  Click to see zerksies's MSN Messenger address  Send zerksies a Yahoo! Message  Reply with Quote
ok so what does it do does the led light up, you get bypassed sound
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/10/2010 :  00:05:18  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
quote:
Originally posted by zerksies

ok so what does it do does the led light up, you get bypassed sound


No and No.........

read my post again "power LED not coming on either way"

probing around and not getting anything anywhere
Edited by - kelmaur on 04/10/2010 00:24:16
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/10/2010 :  02:42:47  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
ok i got the power LED to come on while probing....but it wouldnt stay on for long

as i was probing around where wires 10 - 14 are located it would go off and stay off maybe around a minute and then come back on after probing around where the wires from the LED go to the board

green and orange wires (that go to the LED)

then the LED would go off again and i would drag the probe across some random solder joints and it would come back on in a matter of seconds

drag across random solder joints again and the LED would go off

no popping noise (signal) as i was probing though
Edited by - kelmaur on 04/10/2010 02:47:42
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kelmaur
Gold Member

USA
505 Posts
Posted - 04/10/2010 :  03:56:01  Show Profile  Send kelmaur a Yahoo! Message  Reply with Quote
ok been probing around more and just witnessed that when i probed one leg of R7 and one leg of R10, the LED would go on and off

cant remember which was which R7 on R10 off or vice versa

so i deducted that those resistors have something to do with the LED

-----x R10

x
| R7
|
|
|

x shows which legs i probed when i noticed the LED went on and off
Edited by - kelmaur on 04/10/2010 04:06:35
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