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Post Info TOPIC: Ibanez OD855 Overdrive
andregarcia57


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Ibanez OD855 Overdrive
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Hello everything well? 
I set up a pedal of Ibanez OD855 Overdrive ,  
I set up and I revised all the connections and pieces.  
Didn't the pedal work, did anybody already set up this pedal?


 


 


Help Please!!!!



-- Edited by andregarcia57 at 05:46, 2005-02-21

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olman


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Hi,
Sorry for my bad english, but I´m from Germany.
Well, I´ve built up that stompbox 2 times but it doesn´t work, yet.
I´ve checked all soldierpoints and changed every part.
There´s no signal coming out.
Does anybody has some checkpoints where I could controll voltages etc.?
I´ve tried it with different kinds of transistors and diodes.
For the original 2n5088 I use BC 549C, BC 109B or BC 109C
For the original 1n34a I use 1N823, BAT41 or AA119 (=1N60)

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olman


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Date:
Ibanez OD855 -It works now!!!
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Hi,
i´ve checked some other schematics off the Ibanez OD-855 and I found 2 points that are not right.
There are 2 resistors connected to ground. That´s wrong. I think you´ve to connect them to +4,5V Vr.
You can find the first 100K resistor at the third IC connector and the second 10K resistor at the fith IC connector.
I had the problem that the was absolutely no signal comming out. Now I can hear something :). But perhaps you can find some more of wrong points in the schematic.
I´ve compared the schematic with this one:
http://topnet.com.au/~hairbear/OD855_schem.gif

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