Dc Supply Fail Troubleshooting Chart (1 Of 3) - Motorola XTS 2500 Service Manual

6.3-6

6.3.7 DC Supply Fail Troubleshooting Chart (1 of 3)

Problem with DC supply
distribution network
Check voltage VSW1 at
R711
No
Voltage
=3.6V
+/- 5%
Yes
Check voltage V1.55 at
R718
Check voltage V1.875 at
L703
No
Voltage
=1.875V
Yes
Check voltage V2.9 at
L704
February 14, 2012
UHF2 Troubleshooting Charts: DC Supply Fail Troubleshooting Chart (1 of 3)
Replace Q702
No
Voltage
=1.55V
Yes
No
Voltage
=2.9V
Yes
3
No
Yes
Problem
Solved?
Replace U701
End
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