Japan Radio Co. JMA-5212-4 Field Service Manual Download Page 2 | Manualshive

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Summary of Contents for JMA-5212-4

Page 1: ...MARINE RADAR MARINE RADAR EQUIPMENT EQUIPMENT FIELD SERVICE FIELD SERVICE MANUAL MANUAL JMA 5212 4 6 JMA 5212 4 6 JMA 5222 7 9 JMA 5222 7 9 JMA 5212 4HS 6HS JMA 5212 4HS 6HS...

Page 2: ......

Page 3: ...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...

Page 4: ...54 4 15 4 1 11 Magnetron fan replacement NKE 2254 4 17 4 1 12 Modulator fan replacement NKE 2254 4 18 4 1 13 NKE 2103 scanner unit parts replacement 4 21 4 1 14 Magnetron Replacement for the NKE 2103...

Page 5: ...Check Keyboard Test 6 4 6 1 4 Performance Monitor MON Display 6 5 6 1 5 System Alarm Log Display Alarm List Log 6 5 6 1 6 System Information Display System INFO 6 6 6 2 Error Message Lists 6 7 6 2 1 E...

Page 6: ...2 Overall System Diagram of the Radar JMA 5212 4 6 4HS 6HS 7 12 7 3 Inter Unit Connection Diagram 7 13 7 3 1 Inter Unit Connection Diagram of the JMA 5222 7 9 7 13 7 3 2 Inter Unit Connection Diagram...

Page 7: ...Chapter 1 Equipment Overview...

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Page 9: ...rail display function target tracking function 1 and AIS information display function 1 1 The function is optional for radar equipment not an IMO radar which is designed for fishing boats 1 2 Scanner...

Page 10: ...ipal Functions This radar equipment satisfies the performance requirements defined in the IMO standard MSC 192 79 and has the following functions Sensitivity adjustment and sea clutter and rain snow c...

Page 11: ...Chapter 2 Equipment Overview...

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Page 13: ...T ANTENNA 25kW X 24rpm CAT 2 JMA 5222 9 9 FT SLOT ANTENNA 25kW X 24rpm CAT 2 Type of transmitted radio wave P0N for all the models Non IMO compliance MODEL NUMBER SCANNER TRANSMITTED OUTPUT POWER BAND...

Page 14: ...2254 7 NJU 85 NCD 4380 DC24V JMA 5222 9 NKE 2254 9 NJU 85 NCD 4380 DC24V Non IMO compliance MODEL NUMBER SCANNER PERFORMANCE MONITOR UNIT DISPLAY SYSTEM SHIP S MAINS JMA 5212 4 NKE 2103 4 NJU 85 NCD...

Page 15: ...neck heater and that a deicing mechanism cannot be installed in the NKE 2103 A scanner unit and display system are indicated on the nameplate of the equipment as follows SCANNER UNIT DISPLAY UNIT The...

Page 16: ...elay 5V AVR 3 3V Poly sw Poly sw Filter Filter Motor Motor Control AVR System Power Supply Scanner Unit NKE 2103 2254 NSK UNIT NCT 4106A option Power SW Keyboard Unit NCE 7699A 15 inch LCD NWZ 164 To...

Page 17: ...with the constant in the power circuit CBD 1702A The P 12V power supply is active even when the power switch on the operation unit is turned off This power supply is used with circuits such as the co...

Page 18: ...MMY LOAD DC 24V Serial Com BP BZ VD TRIG NKE 2254 Scanner Unit POWER SUPPLY CIRCUIT MOTOR CONTROL POWER PC1501 Rotation Control Speed control Status DC 24V Tx Trigger Pulse Width DC 24V ENCODER ROTARY...

Page 19: ...lator switching circuit After high voltage switching for the modulator the high voltage pulse is further boosted by the pulse transformer and applied to the magnetron for obtaining pulse modulated mic...

Page 20: ...log compressed signal The antenna rotation signal is an incremental signal and 2048 rotation pulses and reference bearing pulses per cycle are used When a specified time has passed during the stoppin...

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