DI AG NOS TICS
33
The Algorithms in this section provide an aid to fault
diagnosis in the transceiver. The algorithms enable
fault diagnosis down to module level and also identify wiring
faults. Entry to the algorithms is via Failure Messages
generated by the display.
PRE-REQUISITES
34
The diagnostic routines in the flow charts assume that
the radar has been working, and that the system is set
up for normal operation at the time the fault occurred.
FAIL URE MES SAGES
35
These failure messages appear in the data field of the
display monitor if certain signals are missing. See
Table 1 for details.
36
Fault diagnosis algorithms covering these failures are
provided in Figure 12e, sheets 1 and 2.
TEST EQUIP MENT
37
Routine field maintenance requires fault location down
to fuse replacement level. The only test equipment
required for fault finding is a high impedance multimeter.
May 01
7d.6
Original
KH 2020
Chap 7d
SIGNAL
FAILURE
MESSAGE
SIGNAL
FAILURE
MESSAGE
Sync
No Sync.
Azimuth
No Azimuth
Video
No Video
Heading Line
No Heading
Line
Table 1 - Failure Messages
FUSE No.
LOCATION
RATING
FS1
Power Unit
Resettable
FS2
Power Unit
Resettable
FS3
Power Unit
Resettable
FS1
Tx Microcontroller PCB
Resettable
Table 2 - Fuses
Summary of Contents for Kelvin Hughes Nucleus 3 5000 Series
Page 27: ...THIS PAGE IS INTENTIONALLY BLANK Sep 01 ii Amdt 1 KH 2020 Index Introduction ...
Page 73: ...THIS PAGE IS INTENTIONALLY BLANK KH 2020 Chap 2a July 03 2a 6 Amdt 5 ...
Page 101: ...THIS PAGE IS INTENTIONALLY BLANK May 01 3 6 Original KH 2020 Chap 3 ...
Page 109: ...THIS PAGE INTENTIONALLY BLANK July 03 viii Amdt 5 KH 2020 Index Chap 1 3 ...
Page 119: ...THIS PAGE IS INTENTIONALLY BLANK Sep 01 x Amdt 1 KH 2020 Contents Chap 4 5 ...
Page 150: ...THIS PAGE IS INTENTIONALLY BLANK May 01 4b 12 Original KH 2020 Chap 4b ...
Page 157: ...THIS PAGE IS INTENTIONALLY BLANK May 01 4c 6 Original KH 2020 Chap 4c ...
Page 163: ...THIS PAGE IS INTENTIONALLY BLANK May 01 4c 14 Original KH 2020 Chap 4c ...
Page 176: ...THIS PAGE IS INTENTIONALLY BLANK May 01 4c 28 Original KH 2020 Chap 4c ...
Page 234: ...THIS PAGE IS INTENTIONALLY BLANK May 01 4f 6 Original KH 2020 Chap 4f ...
Page 257: ...THIS PAGE IS INTENTIONALLY BLANK May 01 4f 30 Original KH 2020 Chap 4f ...
Page 275: ...THIS PAGE IS INTENTIONALLY BLANK July 03 5 18 Amdt 5 KH 2020 Chap 5 ...
Page 279: ...THIS PAGE IS INTENTIONALLY BLANK Sep 01 iv Amdt 1 KH 2020 Index Chap 4 5 ...
Page 309: ...THIS PAGE IS INTENTIONALLY BLANK Sep 01 xiv Amdt 1 KH 2020 Contents Chap 7 8 ...
Page 356: ...Original 7c 19 May 01 KH 2020 Chap 7c CD 2413 Figure 16c Modulator PCB Switches Test Points ...
Page 359: ...THIS PAGE IS INTENTIONALLY BLANK May 01 7c 22 Original KH 2020 Chap 7c ...
Page 381: ...THIS PAGE IS INTENTIONALLY BLANK Sep 01 7d 26 Amdt 1 KH 2020 Chap 7d ...
Page 425: ...THIS PAGE IS INTENTIONALLY BLANK May 01 8a 22 Original KH 2020 Chap 8a ...
Page 445: ...THIS PAGE INTENTIONALLY BLANK July 03 8aA 16 Amdt 5 KH 2020 Chap 8a Annex A ...
Page 463: ...THIS PAGE IS INTENTIONALLY BLANK May 01 8c 12 Original KH 2020 Chap 8c ...
Page 472: ...THIS PAGE IS INTENTIONALLY BLANK May 01 8c 22 Original KH 2020 Chap 8c ...
Page 476: ...THIS PAGE IS INTENTIONALLY BLANK May 01 8d 4 Original KH 2020 Chap 8d ...
Page 498: ...THIS PAGE IS INTENTIONALLY BLANK Original 8e 19 May 01 KH 2020 Chap 8e ...