Contents
Circuit description
Lamp matrix column decoder.
Column to listen on is encoded by soldering the appropriate connection between H1-H8 and H9.
External interfaces
JP01 |
Lamp matrix row signals |
JP01.1..8 |
lamp row 1..8 |
JP02 |
Lamp matrix column signals, 3 pin |
JP02.1 |
lamp column bit 0 |
JP02.2 |
lamp column bit 1 |
JP02.3 |
lamp column bit 2 |
JP03 |
Supply voltage, 5V= |
JP03.1 |
supply Vcc |
JP03.2 |
supply GND |
JP04..JP11 |
SIG_Fire output, 2 pin, 5V= |
JP04..11.1 |
SIG_Fire GND |
JP04..11.2 |
SIG_Fire +5V |
H1-H8 |
Coding solder points for column address 1..9 |
H9 |
Coding solder point, input |
Revisions
PB-B06.02
Images
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Changes to previous revision
PB-B06.01
(Unpublished prototype)
CategoryElectronics CategoryPinball
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