Motorola MOTOTRBO XPR 7550e - Troubleshooting Flow Chart for Controller (Sheet 5 of 5)

5-12 Troubleshooting Charts
Figure 5-12.Troubleshooting Flow Chart for Controller (Sheet 5 of 5)
No Input Audio
Ensure No Process Issue
Check Connectivity from
Power Management IC to
Factory Testpoint
Correct SSI Signal from
Power Management IC to
Microprocessor
Is Power Management IC
Mic Setting Correct?
Check Microprocessor
Setting
Change Power Management IC
(U3000)
Yes
No
Yes
No