NO POWER TO SINGLE CHANNEL GROUND & AIR BORNE RADIO (SINCGARS)/FORCE XXI BATTLE COMMAND BRIGADE OR BELOW (FBCB)

TM 9-2320-366-20-3

x6. NO POWER TO SINGLE CHANNEL GROUND & AIR BORNE RADIO (SINCGARS)/FORCE XXI

BATTLE COMMAND BRIGADE OR BELOW (FBCB)

INITIAL SETUP

Equipment Conditions

Tools/Special Tools

Engine shut down (TM 9-2320-366-10-2)

Multimeter, Digital (Item 22, Appendix C)

Tool Kit, Genl Mech (Item 46, Appendix C)

Materials/Parts

Ties, Cable, Plastic (Item 69, Appendix D)

Personnel Required

(2)

START

WARNING

Read WARNING

TEST OPTIONS

on following page.

Voltage Test or

Circuit breaker CB8 is not

STE/ICE-R Test #89

tripped.

Is 24 VDC present at

REASON FOR QUESTION

terminal lug TL2?

POSSIBLE PROBLEMS

If 24 VDC is not present, go to

step 2 of this fault. If 24 VDC

Faulty circuit breaker CB8.

is present, perform SINCGARS/

Faulty digitization rack power

FBCB troubleshooting.

supply.

Faulty SINCGARS/FBCB.

YES

Go to step 2 of this fault.

Contact supervisor, SINCGARS/FBCB

troubleshooting needs to be performed.

Change 2