Table 3-3. Aviation Unit Maintenance Troubleshooting Procedures
(continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3. Using a multimeter, refer to
Figure 3-1
and perform Test 1 in accordance with
the chart below. If no failure is detected, proceed to Step 4. If a failure is detected,
replace the communication cord in accordance with Paragraph 3-3.7 (Page 57).
Proceed to Step 5.
NOTE:
Numbers in the Test 1 chart correspond to numbered call-outs in
Figure 3-1
.
Test 1 Chart
FROM
TO
OPEN
SHORTED
1
1
1
1
2
2
2
5
2
3
5
6
4
5
6
6
Good
Bad
Good
Good
Bad
Good
Good
Good
Bad
Good
Bad
Bad
Good
Bad
Bad
Bad
(Continued on next page)
45
Figure 3-1. Test Points for Test 1
1
2
3
4
6
5
Summary of Contents for HGU-56/P
Page 2: ......
Page 4: ......
Page 72: ...66 Figure 4 2 Dual Visor Assembly Plain 2 3 1 11 7 9 4 5 6 10 8...
Page 80: ...74 Figure 4 7 ANVIS Direct Mount Dual Visor Assembly 1 11 7 9 4 5 6 10 8 3 2 12 14 15 13...
Page 84: ...NOTES...
Page 85: ......