TM 5-3895-385-23-1
0183
Table 1 Left Console Beacon Keypad Fault Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. If no continuity is present,
proceed to next test.
2. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) from C11 J1 pin B
damaged communication cable
to every other pin on C11 J1
(WP 0386, Vol 2).
(WP 0451, Vol 3, Figure 50).
2. If no continuity is present,
proceed to next test.
3. Measure for continuity (WP
1. If continuity is present, replace
0443, Vol 3) from C11 J1 pin C
damaged communication cable
to every other pin on C11 J1
(WP 0386, Vol 2).
(WP 0451, Vol 3, Figure 50).
2. If no continuity is present,
proceed to next malfunction.
9. Communication cable C10
Check communication cable C10 J1
1. If damage is found, replace
disconnected.
and J2 for proper connection and
communication cable C10 (WP
damage (WP 0451, Vol 3, Figure
0386, Vol 2).
50).
2. If communication cable is found
disconnected, reconnect
communication cable properly.
3. If no damage or loose
connection is found, proceed to
next malfunction.
10. Communication cable C10 has
1. Disconnect communication cable
an open circuit.
C10 J1from Y15 P1 (WP 0451,
Vol 3, Figure 50).
2. Disconnect communication cable
C10 J2 from C11 J1 (WP 0451,
Vol 3, Figure 50).
3. Measure for continuity (WP
1. If continuity is present, proceed
0443, Vol 3) from C10 J1 pin A
to next test.
to C10 J2 pin A (WP 0451, Vol
3, Figure 50).
2. If no continuity is present,
replace damaged
communication cable (WP 0386,
Vol 2).
0183-6
