Dc Supply Fail Troubleshooting Chart (3 Of 3) - Motorola XTS 2500 Service Manual

6.4-8

6.4.9 DC Supply Fail Troubleshooting Chart (3 of 3)

5
Check
Voltage at
C517
Voltage =
3.0V +/- 5%?
Y es
Check
Voltage at
C516
Voltage =
3.0V +/- 5%?
Y es
Check
Voltage at
C514
Voltage =
5.0V +/- 5%?
Y es
End
February 14, 2012
700/800 MHz Troubleshooting Charts: DC Supply Fail Troubleshooting Chart (3 of 3)
Check R595,
No
L511, C518,
and C560
Check R595,
No
L503, C511,
and C561
Check C513,
N o
and C566
No
Components
OK?
Y es
Replace
U502
No
Components
OK?
Y es
Replace
U501
No
Components
OK?
Y es
Replace
U500
Replace
Problem
Component
Replace
Problem
Component
Replace
Problem
Component
6816985H01-F