TM 5-3895-385-23-1
0191
Table 1. Right Screed Aug/Conv Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
23. Communication connector Y11
1. Measure for continuity (WP
1. If continuity is present, replace
has a short circuit.
0443, Vol 3) between
communication connector Y11
communication connector Y11
(WP 0386, Vol 2).
P1 Pin A and all other pins on
Y11 P1 (WP 0451, Vol 3, Figure
16).
2. If no continuity is present,
proceed to next test.
2. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between
communication connector Y11
communication connector Y11
(WP 0386, Vol 2).
P1 Pin B and all other pins on
Y11 P1 (WP 0451, Vol 3, Figure
16).
2. If no continuity is present,
proceed to next test.
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) between
communication connector Y11
communication connector Y11
(WP 0386, Vol 2).
P1 Pin C and all other pins on
Y11 P1 (WP 0451, Vol 3, Figure
16).
2. If no continuity is present,
proceed to next malfunction.
24.Communication connector Y10
1. Measure for continuity (WP
1. If continuity is present, proceed
has an open circuit.
0443, Vol 3) between
to next test.
communication connector Y10
P1 Pin A and Y10 P2 Pin A (WP
0451, Vol 3, Figure 51).
2. If no continuity is present,
replace communication
connector Y10 (WP 0386, Vol 2).
2. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) between
to next test.
communication connector Y10
P1 Pin A and Y10 P3 Pin A (WP
0451, Vol 3, Figure 51).
2. If no continuity is present,
replace communication
connector Y10 (WP 0386, Vol 2).
0191-17