Dc Supply Fail Troubleshooting Chart (2 Of 3) - Motorola XTS 2500 Service Manual

VHF Troubleshooting Charts: DC Supply Fail Troubleshooting Chart (2 of 3)

6.1.8 DC Supply Fail Troubleshooting Chart (2 of 3)

Check
Voltage at
pin R711
No
Voltage =
3.6V +/-
5%
Y es
Check
Voltage at
pin L703
No
Voltage =
1.875V +/-
5%
Y es
Check
Voltage at
pin L704
No
Voltage =
2.9V +/-
5%
Y es
5
6816985H01-F
Check
Components
C796, C713,
L701
Component
Check R763,
L703, C717, Components
and CR700
Component
4
Y es
OK?
No
Replace
Problem
ReFLASH
Y es
HOST C
OK?
Code
No
Replace
Fixed?
Problem
Replace
U701
MAKO IC
4
Y es
End
N o
MAEPF-27333-O
February 14, 2012
6.1-7