Assume that you have been assigned to locate a major malfunction that has developed in a central office telephone
Exercises 18 through 20 are based on the above situation.
Different types of diagrams are used to help the technician locate and repair malfunctions. The type of diagram is
best suited for checking proper equipment hookup is the:
As the telephone operator you ask the technician how you can learn to read and understand a schematic diagram.
One recommended procedure is for you to:
memorize the schematic symbols.
learn to read the resistance and voltage measurements.
learn the physical position of each circuit component.
memorize the circuit diagram and all voltage points.
Shown in the illustration below are the symbols for a battery, a ground, a resistor, and a capacitor. Which of the
following illustrations shows the symbols in the stated order.
CHECK YOUR ANSWERS AGAINST LESSON 1 SOLUTION SHEET (PAGE 192) AND MAKE NECESSARY