yes, I'm an idiot, but the rotovibe wires are too much thin

Started by nooneknows, June 03, 2006, 06:55:33 PM

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nooneknows

Trying to understand what to do to fix my dunlop rotovibe supply (another topic), pull away the board a bit too much, snapping off the three wires that goes to the depth pot.... Yes, I know I'm a f@#*er, but these wires are really thin!
They are blue, yellow and green: could anyone who owns the pedal tell me what wire goes to the center lug? Please, help an idiot.
thank you,
Marcello
   

donald stringer

I have that pedal , is the depth pot the one under the treadle.  With the bottom facing up the  one pot is on the left with the lugs facing the back of the pedal. There are three wires connected from top to bottom black grey and white. They connect to the board along side all the other offboard connections from left to right black ,red,[battery snap], brown, orange,yellow,green,blue,black,the next three go to the pot on left black grey, white...and the last one pink. The wires that connect to the treaddle header are from left to right brown, orange,yellow,green, blue, no connection,pink. I cant see which one goes to the center lug on the tredle pot without taking it off. I hope this helps. I will take it apart if necessary. Mine isnt working either and I just noticed there is an transistor [Q7] thats cracked down the middle. Which is a pretty good reason not to  work. Do you know what  numbers are on that one? I wouldnt have found that out unless I was looking for your wire colors. That transistor is located where the power supply plugs in.
troublerat

nooneknows

Hi, thank you so much for the reply.
Unfortunately, the wire color doesn't match, but the order could be, maybe, correct so I'll give a try.
The transistor close to the power supply jack is named 78L09AWC, it isnt' a tranny indeed but a voltage regulator IC
It is possible that, in your case, the Ic is not the only thing not working, maybe you should change the 2 caps around. I'm waiting an answer from Dunlop about the correct values (mine is broken too), althought I think they're 0.22 uF (the one behind the 78L09) and 0.1 uF (the little yellow one on the side of the IC).
Thank you!
Marcello




trevize

take pictures with your digital camera of anything you disassemble! i passed an "alligator clips" night on a small stone cause i didn't know where to resolder three broken wires (yes electro harmonix wires are too thin too).

The Tone God

Digital pictures are good advice. If you don't have a camera before you take something apart grab a notebook or have a white board hand make notes. I too have broken wires on my Rotovibe so I feel your pain.

Andrew