Motorola APX 3000 Detailed Service Manual page 95

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Table of Contents

Troubleshooting Charts: Power-Up Failure

Power-Up Failure – B+ Incorrect Voltage

B+ Incorrect Voltage

Check Voltage at

(Main Board)

Check Voltage at

C6593 (Controller)

Replace Main

Check input and

output voltage at

Replace any non

Functional Parts

Check circuitry from

battery contact to fuse.

Replace any non-

function part.

Troubleshooting