
Contents
Page
1. GENERAL........................................................................1-1
1.1 Purpose ............................................................................................ 1-1
1.2 General
Precautions ......................................................................... 1-1
1.3
Tools and Measurement Jigs............................................................ 1-1
1.4
System configuration for radar models ............................................. 1-2
1.4.1 non-IMO models ......................................................................................................1-2
1.4.2 IMO models ( with Performance monitor and Gyro Interface ) ...............................1-2
1.4.3 PCBs in the Unit ......................................................................................................1-2
2. CIRCUIT
DESCRIPTION
2.1 Scanner Unit ....................................................................... 2-1
2.1.1 Antenna ............................................................................................ 2-3
2.1.2 HM(Heading
Marker) pulse generator .............................................. 2-3
2.1.3 Antenna
drive motor ......................................................................... 2-3
2.1.4 Duplexer ........................................................................................... 2-3
2.1.5 Transmitter ....................................................................................... 2-3
2.1.6 Receiver ........................................................................................... 2-4
2.1.7 Performance Monitor ........................................................................ 2-5
2.1.8 Data
Communication ........................................................................ 2-7
2.1.9 Check
point and Signal..................................................................... 2-7
2.2 Processor Unit (RP100A/RP100AP) ................................. 2-10
2.2.1 POWER
PCB
(E47-600A) .............................................................. 2-10
2.2.2 LOGIC
PCB
(E47-700B) ................................................................. 2-12
(1) Video
Processing .................................................................................................2-12
(2) Video
Display .......................................................................................................2-13
2.2.3 PANEL PCB (E40-901C) ............................................................... 2-13
(1) Panel dimmer control ................................................................................................2-13
(2) Sift Resistor ...............................................................................................................2-13
(3) Operation keys ..........................................................................................................2-13
(4) Others........................................................................................................................2-13
2.2.4 ATA PCB (E35-700C) .................................................................... 2-13
(1) Radar interface..........................................................................................................2-13
(2) CPU system ..............................................................................................................2-13
2.2.5 AIS PCB (E47-7200) ...................................................................... 2-13
(1) Radar interface..........................................................................................................2-13
(2) AIS data interface......................................................................................................2-13
(3) CPU system ..............................................................................................................2-14
2.2.6 Gyro Interface PCB (E47-510A)..................................................... 2-14
2.2.7
System Interface on LOGIC PCB (E47-700B) ................................ 2-14
(1) SCANNER interface..................................................................................................2-14
2.2.8 Interface.......................................................................................... 2-14
(1) Monitor
operation .................................................................................................2-14
(2)
Signal output for slave monitor.............................................................................2-15
(3) NMEA
input/output ...............................................................................................2-15
ii
93842105-00
Содержание Simrad RA83
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