TM 5-3895-385-23-1
0191
Table 1. Right Screed Aug/Conv Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between
communication connector Y7
communication connector Y7 P1
(WP 0386, Vol 2).
Pin C and all other pins on Y7
P1 (WP 0451, Vol 3, Figure 51).
2. If no continuity is present,
proceed to next malfunction.
28. Communication connector Y6
1. Measure for continuity (WP
1. If continuity is present, proceed
has an open circuit.
0443, Vol 3) between
to next test.
communication connector Y6 P1
Pin A and Y6 P2 Pin A (WP
0451, Vol 3, Figure 51).
2. If no continuity is present,
replace communication
connector Y6 (WP 0386, Vol 2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y6 P1
Pin A and Y6 P3 Pin A (WP
0451, Vol 3, Figure 51).
2. If no continuity is present,
replace communication
connector Y6 (WP 0386, Vol 2).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y6 P1
Pin B and Y6 P2 Pin B (WP
0451, Vol 3, Figure 51).
2. If no continuity is present,
replace communication
connector Y6 (WP 0386, Vol 2).
4. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y6 P1
Pin B and Y6 P3 Pin B (WP
0451, Vol 3, Figure 51).
2. If no continuity is present,
replace communication
connector Y6 (WP 0386, Vol 2).
0191-21