Motorola ASTRO XTS 2500 - Radio Power-Up Fail Troubleshooting Chart (3 of 3)

6816985H01-B August 16, 2007
900 MHz Troubleshooting Charts: Radio Power-Up Fail Troubleshooting Chart (3 of 3) 6.5-5
6.5.6 Radio Power-Up Fail Troubleshooting Chart (3 of 3)
Y
es
Problem
Solved?
Follow DC
Supply Failure
Flowchart
MAEPF-27333-O
End
No
Y
es
Y
es
Y
es
No
No
No
2
Components
OK?
Replace
Problem
Component
Check for
32.768kHz
signal on
R747
Signal
Present?
Replace U712
and Retest
Signal
Present?
Problem
Solved?
End
Follow DC
Supply Failure
Flowchart
No
Check For
32.768kHz
signal on
R745
Signal
Present?
Replace
U713