Figure 40. Picture Showing Correct Orientation Of Norcal Keyer Chip (Optional Socket Not Shown) - NORCAL NC2030 Manual

Double check parts orientation with the picture below! Install the components in the following
order:
If an optional 8 pin socket is used for IC2, the keyer chip, install it now. Make sure the socket
notch orientation matches with the notch outline on the board.
R102 - 270 (not really part of the CW Keyer, but might as well get it out of the way)
R87 R89 - 1K
R91 R92 - 2.2K
R90 - 10K
R93 - 50K small trimmer pot
C125 C130 C131 C132 - 0.01uF
C126 C127 C129 - 0.1uF
IC2 - 8 pin dip – 12F629 - Norcal Keyer Chip – Make sure the chip is installed with the
correct IC orientation! The correct IC orientation is shown below:

Figure 40. Picture showing correct orientation of Norcal Keyer Chip (optional socket not shown)

Norcal NC2030 v5 12-18-05
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