Motorola ATS 3000

February 14, 2012 6816985H01-F
6.3-6 UHF2 Troubleshooting Charts: DC Supply Fail Troubleshooting Chart (1 of 3)
6.3.7 DC Supply Fail Troubleshooting Chart (1 of 3)
Problem with DC supply
distribution network
End
Check voltage VSW1 at
R711
Voltage
=3.6V
+/- 5%
Check voltage V1.55 at
R718
Replace Q702
Problem
Solved?
Yes
No
Check voltage V1.875 at
L703
Voltage
=1.875V
Yes
No
Voltage
=1.55V
Replace U701
Yes
No
Check voltage V2.9 at
L704
Yes
No
Voltage
=2.9V
No
Yes
3