Motorola APX 6000 - Page 114

5-8 Troubleshooting Charts: Power-Up Failure
Power-Up Failure – Low LDO8 V_5.0A Voltage
Low LDO8 V_5.0A
Voltage
Measure Radio
Current
Is Standby
Current more
than 15mA above
Average
Board has a short,
Replace VOCON
Yes
Inspect R6565
Connection
Is R6565
Soldered
Properly
Correct R6565
Soldering
No
No
Measure Voltage
at C6593
6 < V < 9?
Proceed To
Incorrect B+
Voltage Flow
Chart
Likely MAKO
Problem, Replace
VOCON Board
Yes
No
Yes