Instruction manual

6881086C22-B 61
AIB DC Power Troubleshooting Chart
Yes
No
Yes
Yes
Yes
No
No
No
Is
12.0V ±10%
present between
pins 1 & 2
of J11?
No
Is
control head
present?
Is
12.0V ±10%
on power
cable?
Is
12.0V ±10%
present between
pins 1 & 2
of J11?
Is
12.0V ±10%
present between
pins 1 & 2
of J11?
All
cables
tested?
Yes
Is
switch
S101-SW1
on?
Yes
Is
SW B+
12.0V ±10%?
Yes
Move S101-SW1
to "ON" position
Done
Check
S101-SW1
Press power
button on
control head
Remove all
cables from
board connectors
Connect
power cable
to J11
Troubleshoot
power supply
and/or radio
Power-ground short
on interconnect
board, replace or
repair as necessary
Leaving power
cable connected,
connect other cables
one at a time
DC
power
ok
Verify component
cabling and consult
appropriate
component manual
Disconnect
power cable
from J11
No
No
No
Yes
MAEPF-26316-A
AIB DC POWER
START