In Example 4-24, we listed three possible faults for the situation of Figure 4-36. What procedure would

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In Example 4-24, we listed three possible faults for the situation of Figure 4-36. What procedure would you follow to determine which of the faults is the actual one?


Example 4-24

Refer to the circuit of Figure 4-36. A technician uses a logic probe to determine the conditions at the various IC pins. The results are recorded in the figure. Examine these results and determine if the circuit is working properly. If not, suggest some of the possible faults.


Figure 4-36

3 +5V 14 Z1 4 B 2 +5V 14 Z2 3 X Pin Condition Z1-3 Pulsing Z1-4 LOW Z2-1 LOW Z2-2 HIGH Z2-3 HIGH

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Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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