DD-2/3 repair notes

Luke Drifter
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Location: West Australia

Re: DD-2/3 repair notes

Post by Luke Drifter » Wed Feb 16, 2022 8:49 am

Thanks!
Jerem, Jeremy on BAF and SBZ

irishrock
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Joined: Tue Feb 01, 2022 10:10 pm

Re: DD-2/3 repair notes

Post by irishrock » Wed Feb 16, 2022 10:37 pm

Ref Failed capacitors thank you for the info,Just checking the value of these capacitors C30 =47uF 63volt C31 + 10uF 16volt C34 10uF 16volt.this is what I see is the circuit diagram is this right?

Thank you again

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laurie
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Re: DD-2/3 repair notes

Post by laurie » Thu Feb 17, 2022 1:25 am

irishrock wrote:
Wed Feb 16, 2022 10:37 pm
Ref Failed capacitors thank you for the info,Just checking the value of these capacitors C30 =47uF 63volt C31 + 10uF 16volt C34 10uF 16volt.this is what I see is the circuit diagram is this right?

Thank you again
Values are correct. Don't worry about the voltage - as long as they are 16V or higher and physically fit (space is tight).

sunnydayjr
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Joined: Tue Jan 16, 2024 4:48 am

Re: DD-2/3 repair notes

Post by sunnydayjr » Tue Jan 16, 2024 6:18 am

Hi all, hoping someone can help me with my DD-2 D6 diode. The diode I removed from the pedal either had no line indicating polarity or it burnt off when the diode failed. Can anyone help me out in terms of its orientation? I'm a novice at all this stuff, but in the schematic, it looks like it's orientation is the opposite of all the other diodes. The other diodes have their cathodes (+ end) facing toward the top of the pedal. Should the cathode for D6 be facing the board?

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laurie
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Re: DD-2/3 repair notes

Post by laurie » Tue Jan 16, 2024 4:16 pm

I can't recall off-hand, but will be able to answer definitively tonight after I finish work.

sunnydayjr
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Re: DD-2/3 repair notes

Post by sunnydayjr » Tue Jan 16, 2024 8:54 pm

Oh thank you - that would be amazing. I realized I didn't ask the question very well but I think you know what I'm trying to ask. Maybe a better way of asking is whether the side with the shortest leg on the original diode the anode or the cathode? I appreciate your help!

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laurie
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Re: DD-2/3 repair notes

Post by laurie » Wed Jan 17, 2024 12:23 pm

Stripe goes in the hole closest to the 4164 memory chips.

sunnydayjr
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Re: DD-2/3 repair notes

Post by sunnydayjr » Thu Jan 18, 2024 1:09 am

laurie wrote:
Wed Jan 17, 2024 12:23 pm
Stripe goes in the hole closest to the 4164 memory chips.
Thank you!

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