Motorola APX 7000 Detailed Service Manual page 117

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Table of Contents

Troubleshooting Charts: Power-Up Failure

Power-Up Failure – Low VCC_SW_5 Voltage

Low VCC_SW_5 Voltage

Measure Radio

Current more

than 15mA above

Voltage at L6503

Inspect U6505 and

All Supporting

Are Parts Solder

Connections and

Placement Correct

Replace VOCON

Board has a short,

Replace VOCON

Incorrect B+

Replace or Repair

Troubleshooting