Talk:ProDev DDT

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Revision as of 22:00, 25 July 2023 by Roughana (talk | contribs)
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Please post your support questions here and ReActiveMicro or someone from the Community will be glad to assist you!

Here is a pic of the top silk layer with all the location markings and values.

Parts list and locations

Capacitors

C1 10 25v small green bulb
C6 471 flat brown
C14 *7501 brown bulb
C16 & C18 221 flat brown x2
C19 22uf 50v electrolytic can
All other C positions: 104 tantalum cap x12

Resistors

R4 & R10 Brown Black Brown 100 ohms x2
R9 Brown Black Red 1k
All other R positions: Brown Black Orange 10k x7

Other

Q1 2N3904 Transistor (Not needed for IIgs version) DDT1 DM74S287N DDT2 DM74S571N

Questions

Is there a build instructions somewhere? The technical folder includes photo of a required wire... This should be called out elsewhere somehow because I had no idea it was necessary from looking at the main wiki page.

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