Motorola APX 7000 - Advanced Features; Selecting a Keyset; Erasing the Selected Encryption Keys

5-16 Troubleshooting Charts: DC Supply Failure
5.4.2 DC Supply 3 Volt Failure
Yes
Remove shield SH14
Check voltage Pin B2 of
U201 Via C208
Voltage 3V
Yes
No
Check Voltage Pin A2 of
U201 Via C207
Voltage 3.6V
Replace U201
No
Check for open in the
branch, to the section you
are troubleshooting.
Check 40 Pin connector
P101 to J1001 Pin 37 for
an open
Yes
Refer to Vocon
troubleshooting guide for
the 3.6V SW1 supply.
Open found?
No
Replace 40 Pin
connector