Motorola MOTOTRBO XPR 7550e - Troubleshooting Charts; Controller Troubleshooting Flow Charts (Sheets 1-5)

5-8 Troubleshooting Charts
2.0 Troubleshooting Charts
Figure 5-8.Troubleshooting Flow Chart for Controller (Sheet 1 of 5)
Board
Programming
Level Check
Boardableto
Power Up?
Current Drain
Normal (~0.04A)?
Flashing
Successful?
Able to Reboot and
Enter Test Mode?
Fuse F4020
Functional?
Change Fuse
Check Whether Power
Management IC Powers Up
Properly
Check for Process Issue. ie.
Solder Short, Cold Solder,
Missing Components, etc.
Rework Problematic Section
Check All Supplies and
Subsection Load
Pass Board
Programming!
No
No
YesYes
Yes
Yes
Yes
Yes
NoNo
No
No
Check Microprocessor/ Memory
Section