Motorola ATS 3000

February 14, 2012 6816985H01-F
6.5-8 900 MHz Troubleshooting Charts: DC Supply Fail Troubleshooting Chart (3 of 3)
6.5.9 DC Supply Fail Troubleshooting Chart (3 of 3)
No
No
No No
No
N
o
Y
es
Y
es
Y
es
Y
es
Y
es
Y
es
5
Check R595,
L511, C518,
and C560
Components
OK?
Replace
Problem
Component
Replace
U502
Check C513,
and C566
Replace
U501
End
Replace
U500
Replace
Problem
Component
Components
OK?
Replace
Problem
Component
Components
OK?
Check
Voltage at
C517
Voltage =
3.0V +/- 5%?
Check
Voltage at
C516
Check
Voltage at
C514
Voltage =
5.0V +/- 5%?
Voltage =
3.0V +/- 5%?
Check R595,
L503, C511,
and C561