JRC JMA-5212-4/6 Service Manual

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Contents
Chapter 1_Equipment Overview
1.1. Overview ................................................................................................................................ 1-1
1.2. Scanner Unit .......................................................................................................................... 1-1
1.3. Display System ...................................................................................................................... 1-2
1.4. Principal Functions................................................................................................................. 1-2
Chapter 2_Equipment Overview
2.1. Configuration.......................................................................................................................... 2-1
2.1.1. Scanners and Transmitted Output Powers ..................................................................... 2-1
2.1.2. Radar Configuration and Ship's Mains............................................................................ 2-2
2.2. Power System Diagram ......................................................................................................... 2-4
2.3. Functional System Diagram ................................................................................................... 2-6
2.3.1. Scanner Unit ................................................................................................................... 2-6
2.3.2. Display System ............................................................................................................... 2-9
2.4. Input/Output Specifications .................................................................................................. 2-12
2.4.1. SCANNER (J2) ............................................................................................................. 2-12
2.4.2. GPS (J3) ....................................................................................................................... 2-13
2.4.3. GYRO/COMPASS (J5).................................................................................................. 2-13
2.4.4. AIS/NMEA (J6).............................................................................................................. 2-14
2.5. DIP-SW/Jumper Setting ....................................................................................................... 2-15
2.5.1. Power Circuit CBD-1702A............................................................................................. 2-15
2.5.2. GYRO I/F Circuit CMJ-304E ......................................................................................... 2-17
2.5.3. Radar Processing Circuit CDC-1350 ............................................................................ 2-20
2.5.4.
AIS Processing Circuit CDC-1353 ................................................................................ 2-20
2.5.5. T/R Control Circuit CMC-1205R.................................................................................... 2-21
Chapter 3_Service Parts
3.1. Service Parts Lists for the Units ............................................................................................. 3-1
3.1.1. Spare Parts .....................................................................................................................3-1
3.1.2. Special Parts ...................................................................................................................3-2
3.1.3. NKE-2103 (JMA-5212-4/6/4HS/6HS).............................................................................. 3-2
3.1.4. NKE-2254 (JMA-5222-7/9).............................................................................................. 3-3
3.1.5. NCD-4380....................................................................................................................... 3-3

JRC JMA-5212-4/6 Specifications

General

Brand	JRC
Model	JMA-5212-4/6
Category	Marine Radar
Language	English