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Elenco Deluxe Digital / Analog Trainer with Tools Kit Version User Manual

Page 45

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VOLTAGE ANALYSIS OF DIGITAL SECTION

Plug the power supply into a 117 volt power source. The values given below are approximate.

From

To

Switch Position

Volts

Volts Measured

X

GND In up position

5V

X

GND In up position

less than 1V

Y

GND In up position

5V

Y

GND In up position

less than 1V

SW1

GND In up position

5V

SW2

GND In up position

5V

SW3

GND In up position

5V

SW4

GND In up position

5V

SW5

GND In up position

5V

SW6

GND In up position

5V

SW7

GND In up position

5V

SW8

GND In up position

5V

X

GND In down position

less than 1V

X

GND In down position

5V

Y

GND In down position

less than 1V

Y

GND In down position

5V

SW1

GND In down position

less than 1V

SW2

GND In down position

less than 1V

SW3

GND In down position

less than 1V

SW4

GND In down position

less than 1V

SW5

GND In down position

less than 1V

SW6

GND In down position

less than 1V

SW7

GND In down position

less than 1V

SW8

GND In down position

less than 1V

High Positions

SW1-8

X

X

Y

Y

LOGIC SW

DATA SWITCHES

X X Y Y SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8