Sonardyne 8270 - Page 7

WSM6 Manual
Document Ref: UM-8270-000
Issue: A Rev 0
October 2011 vii
Section 8 – Fault Diagnosis ..........................................................................................................89
8. Introduction...........................................................................................................................89
8.1 Test Equipment .............................................................................................................89
8.2 Quick Voltage Checks ...................................................................................................89
8.3 Diagnostic Set-up ..........................................................................................................89
8.4 Diagnostic Procedures ..................................................................................................91
8.4.1 Quiescent Checks ................................................................................................91
8.4.1.1 Quiescent Current ...........................................................................................91
8.4.1.2 18V Supply Voltage .........................................................................................91
8.4.1.3 5V Regulator Output........................................................................................91
8.4.1.4 100kHz Oscillator ............................................................................................93
8.4.1.5 CPU Operation ................................................................................................93
8.4.1.6 24V Input Test .................................................................................................93
8.5 Functional Check...........................................................................................................94
8.5.1 Transponder Mode...............................................................................................94
8.5.1.1 Pre-amplifier First Stage Output ......................................................................96
8.5.1.2 Squarer Stage Output......................................................................................97
8.5.1.3 Envelope Detector Output ...............................................................................97
8.5.1.4 IIFDET and TXPW Output ...............................................................................98
8.5.1.5 IIFDET and TXEN Output................................................................................98
8.5.1.6 Drive Amplifier Input ........................................................................................99
8.5.1.7 Drive Amplifier O/P Output ..............................................................................99
8.5.1.8 Responder Mode ...........................................................................................100
8.6 Acceptance Test..........................................................................................................101
8.6.1 Battery Off Load Voltage....................................................................................101
8.6.2 Battery Charge Circuit Function .........................................................................101
8.6.3 Serial Communications with PC Software..........................................................101
8.6.4 Transponder Test...............................................................................................101
8.6.5 Acoustic Command Test ....................................................................................102
8.6.6 Responder Trigger Test .....................................................................................102
8.6.7 Current Demand Test.........................................................................................102
8.6.8 Trickle Charge Function .....................................................................................103
8.6.9 Wideband Test ...................................................................................................103
Section 9 – Retrieval and Storage ..............................................................................................105
9. Retrieval and Storing..........................................................................................................105
Section 10 – Spares .....................................................................................................................107
10. Introduction.........................................................................................................................107
10.1 Type 8270 Wideband Sub-Mini 6G: Directional 4000 Metres .....................................107
10.2 Type 8271 Wideband Sub-Mini 6G: Omni-Directional 1000 Metres............................109
10.3 Type 8270-000-11 – Wideband Sub-Mini Directional 6G 4000m, 5-pin Female .........111
10.4 Type 8270-000-07 Wideband Sub-Mini 6G Directional 4000m 8-pin ..........................113
Section 11 – Technical Specifications .......................................................................................115
11. Technical Specification for Type 8270 / 8271 Wideband Sub-Mini 6G ..............................115
Glossary of Terms .......................................................................................................................119
Appendix A – Firmware History..................................................................................................121
Appendix B – Frequency Tables ................................................................................................122
B Frequency Tables...............................................................................................................122
B.1 HPR – 300 Frequency Table.......................................................................................122
B.2 HPR – 400 Frequency Table.......................................................................................123
B.3 Sonardyne Tone / Frequency Interrogations...............................................................124
B.4 Sonardyne Wideband Replies.....................................................................................124