1.
WARNING
Read WARNING
on following page.
TEST OPTIONS
Voltage Test or
STE/ICE-R Test #89
YES
NO
REASON FOR QUESTION
Go to step 2 of this fault.
2-2300
Change 2
START
TM 9-2320-366-20-3
TEST OPTIONS
Circuit breaker CB8 is not
tripped.
POSSIBLE PROBLEMS
x6. NO POWER TO SINGLE CHANNEL GROUND & AIR BORNE RADIO (SINCGARS)/FORCE XXI
BATTLE COMMAND BRIGADE OR BELOW (FBCB)
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-2)
Materials/Parts
Ties, Cable, Plastic (Item 69, Appendix D)
Tools/Special Tools
Multimeter, Digital (Item 22, Appendix C)
Tool Kit, Genl Mech (Item 46, Appendix C)
Personnel Required
(2)
Faulty circuit breaker CB8.
Faulty digitization rack power
supply.
Faulty SINCGARS/FBCB.
Is 24 VDC present at
terminal lug TL2?
If 24 VDC is not present, go to
step 2 of this fault.
If 24 VDC
is present, perform SINCGARS/
FBCB troubleshooting.
Contact supervisor, SINCGARS/FBCB
troubleshooting needs to be performed.