TM 5-6675-316-14
Table 2-5. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. NO POWER.
Step 1.
Check for presence of 120 V ac output from constant voltage
transformer at TB1.
(a) If present, proceed to step 2.
(b) If not present, refer to direct/general support maintenance.
Step 2.
Check for presence of 120 V ac at input of line filter FL1.
(a) If present, proceed to step 4.
(b) If not present, proceed to step 3.
Step 3.
Check fuse F1 for continuity.
(b) If not, replace fuse (paragraph 2-20. 1).
Step 4.
Check output of line filter FL1 for 120 V ac.
(a) If present, proceed to step 5.
(b) If not, replace line filter (paragraph 2-16.1).
Step 5.
Check input of transformer T1 for 120 V ac.
(a) If present, replace transformer (paragraph 2-16.2).
(b) If not present, refer to direct/general support maintenance.
4. NO VOLTAGES FROM POWER SUPPLY.
Check transformer for continuity.
Step 1.
(a) If continuity exists, proceed to step 2.
(b) If defective, replace transformer (paragraph 2-16.2).
2-155
