Suppose that the alarm system of Figure 4-80 is operating so that the alarm goes on continuously

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Suppose that the alarm system of Figure 4-80 is operating so that the alarm goes on continuously as soon as the car is started, regardless of the state of the other inputs. List the possible faults and write a procedure to isolate the fault.

Data from Figure 4-80

IGN DRIV BELTD PASS BELTP 3 +5 V 14 4 2 4 2 5 Z2 Z2 6 6 9 10 Z2 8 12 13 +5V 14 Z2 ||| Z1: 74LS04 Z2: 74LS00

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Digital Systems Principles And Application

ISBN: 9780134220130

12th Edition

Authors: Ronald Tocci, Neal Widmer, Gregory Moss

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Question Posted: Nov 11, 2023 04:20 AM

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Suppose that the alarm system of Figure 4-80 is operating so that the alarm goes on continuously

Question:

IGN DRIV BELTD PASS BELTP 3 +5 V 14 4 2 4 2 5 Z2 Z2 6 6 9 10 Z2 8 12 13 +5V 14 Z2 ||| Z1: 74LS04 Z2: 74LS00 11 ALARM

Step by Step Answer:

Possible faults IGN input is shorted to 5V DRIV input is shorted to 5V BELTD input is shorted to 5V PASS input is shorted to 5V Z1 74LS04 IC is faulty ...View the full answer

Digital Systems Principles And Application

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