=== Preparing the board ===

== Identify parts ==

Look at the parts you got and make sure you can identify them

  * [[http://commonsound.com/other/parts1.jpg|Photo of some parts]]

  * [[http://commonsound.com/other/parts2.jpg|Photo of more parts]]

//Note: we now use different switches and jacks than in the second photo//


For resistors, pay attention to the color bands as follows:
  * 100: brown black brown gold
  * 330: orange orange brown gold
  * 1k: brown black red gold
  * 4k7: yellow purple red gold
  * 10k: brown black orange gold
  * 47k: yellow purple orange gold
  * 100k: brown black yellow gold
  * 220k: red red yellow gold
  * 470k: yellow purple yellow gold
  * 1M: brown black green gold

Now look closely at the board diagram. Make sure you know what symbols represent resistors, capacitors, IC sockets, transistors, FETs, diodes, wires, etc..


== Drill the holes ==

  * Use a dremel and a tiny bit (#60 or #66) to drill a hole on every circle on the soldering side. www.mouser.com sells the bits, part number 5876-409-66
  * Make sure to drill 8 or 14 holes for each IC
  * Periodically check the opposite side to make sure you're still lined up (hold the drill vertical, not at a slant)
  * Depending on the IC sockets you have, you may need to ream out the holes for the IC sockets using a thumbtack or a larger drill bit. If your board is too thick (e.g. masonite), you may need to counter-sink the IC socket holes

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Next: [[filling the board]]