TM 1-1520-238-T-6
9–713
9–369. ALL CPG CAUTION/WARNING AND MASTER CAUTION/WARNING INDICATORS –
9–369
DO NOT LIGHT WITH PRESS TO TEST INDICATOR PRESSED
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
References:
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Non-transparent
barrier removed
WARNING
Turn off power before detaching or
attaching wires and connectors. High
current 28 VDC or 115 VAC is present.
Failure to do so could result in death or
serious injury.
1. Check for 28 VDC at (A326)TB1-12-M.
Is voltage present?
YES
Go to step 3.
NO
Go to step 2.
2. Check for 28 VDC at (A77)J1-4.
Is voltage present?
YES
Repair open wire between
(A326)TB1-12-M and P766-4.
Go to paragraph 9–364.
NO
Go to paragraph 9–304 to
troubleshoot dc emergency bus
– CPG station.
3. Check for 28 VDC at J166-A17.
Is voltage present?
YES
Go to step 4.
NO
Repair open wire between
(A326)TB1-12-G and J166-A17.
Go to paragraph 9–364.
4. Check for 28 VDC at P31-d and P31-e.
Is voltage present?
YES
Go to step 5.
NO
Repair open wire between:
(A326)TB1-12-H and P31-d,
(A326)TB1-12-J and P31-e.
Go to paragraph 9–364.
5. Check for open between:
P31-g and ground,
P31-h and ground,
P31-j and J166-A19.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–364.
NO
Go to step 6.
6. Press and hold PRESS TO TEST indicator and
check for open between (DS31):
P1-A17 and P1-A19.
Does open exist?
YES
Replace CPG master
caution/warning panel
(TM 1-1520-238-23).
NO
Replace CPG caution/warning
panel (TM 1-1520-238-23).
END OF TASK
