Adding External Controls For Functionality Tests; Figure 43. Correct Orientation Of Both The 8 Pin 12C508 Afa Chip And 14 Pin 74Act00 Ics - NORCAL NC2030 Manual

U15 - 74ACT00 - Caution! Make sure the orientation is correct for this part!
orientation of the installed IC is shown below.
then solder the rest of the pins

Figure 43. Correct orientation of both the 8 pin 12C508 AFA chip and 14 pin 74ACT00 ICs.

R94 - 1K
Q18 - FJV3102R digital transistor – not shown installed above.
C121 C122 - 33pF
C123 C124 C128 - 0.1uF
X2 - 4MHz Crystal
IC1 - 8 pin dip – 12c508 - SSS AFA chip -
this part! Correct orientation of the installed IC is shown above.
check orientation, then solder the rest of the pins

Adding external controls for functionality tests

Take the ribbon cable supplied and strip out the following two and three wire combinations
- Black and White
- Violet and Grey
- Brown, Red, and Orange
- Yellow, Green, and Blue
CW button – Black & White 4" length – S3
AFA button – Black & White 4" length – S2
Solder one pin, double check orientation,
Caution! Make sure the orientation is correct for
Norcal NC2030 v5 12-18-05
Page 45 of 128
Correct
Solder one pin, double