ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Table 4-9. PADS Diagnostic/Alignment Program Malfunction Words Continued
Malfunction
Bit Location
BDFAIL 3 (DISCRETE LONG LOOP TEST)
(OUTPUT LINE FAILED "O" or "l")
o
1
2
IMU Flag Set (to CDU)
3
+5 VDC
4
115 VAC
5
6
+24 VDC
7
8
9
10
11
12
13
14
15
BUFAIL (CDU TEST)
Serial data bus busy too long G.T. 90 usec
o
SDB parity error short loop
1
SDB data error short loop
2
SDB parity error CDU to computer
3
SDB parity error computer to CDU (ADR)
4
SDB parity error computer to CDU (data)
5
SDB long loop data error (KYBD word)
6
Display Reg. 1 contents incorrect
7
2
8
3
9
4
10
5
11
6
12
7
13
8
14
15
BUFT (SDB LONG LOOP TEST SPU)
SDB busy too long G.T. 90 usec
0
SDB parity error short loop
1
SDB data error short loop
2
SDB parity error computer to SPU
3
SDB parity error SPU to computer
4
SDB data error long loop
5
SDB parity error discrete L.C.
6
7
SDB parity error D/R, D/S L.C.
SDB parity error D/DC L.C.
8
4-63
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