Install guide

ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-9. PADS Diagnostic/Alignment Program Malfunction Words – Continued
Bit Location
Malfunction
BDFAIL 3 (DISCRETE LONG LOOP TEST)
(OUTPUT LINE FAILED “O” or “l”)
o
1
2
3
IMU Flag Set (to CDU)
4
+5 VDC
5
115 VAC
6
7
+24 VDC
8
9
10
11
12
13
14
15
BUFAIL (CDU TEST)
o
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
Serial data bus busy too long G.T. 90 usec
SDB parity error – short loop
SDB data error – short loop
SDB parity error CDU to computer
SDB parity error computer to CDU (ADR)
SDB parity error computer to CDU (data)
SDB long loop data error (KYBD word)
Display Reg. 1 contents incorrect
2
3
4
5
6
7
8
BUFT (SDB LONG LOOP TEST – SPU)
SDB busy too long G.T. 90 usec
SDB parity error – short loop
SDB data error – short loop
SDB parity error computer to SPU
SDB parity error SPU to computer
SDB data error – long loop
SDB parity error discrete L.C.
SDB parity error D/R, D/S L.C.
SDB parity error D/DC L.C.
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