ALPHATRON MARINE USA JMA-610 Marine Radar User Manual Part 3

ALPHATRON MARINE USA, INC. Marine Radar Part 3

User Manual Part 3

SECTION 7 TROUBLE SHOOTING 7.1 Fault Finding.................................................. 7-3 7.2 Trouble Shooting........................................... 7-4 7.3 Replacement of Major Parts ......................... 7-6
7-1 WARNING Never carry out internal inspection or repair work of the equipment by users. Inspection or repair work by unauthorized personnel may result in fire hazard or electric shock. Ask the nearest branch, business office or a dealer for inspection and repair. Turn off the main power before maintenance work. Otherwise, an electric shock may result. Turn off the main power before cleaning the equipment. Especially, make sure to turn off the indicator if a rectifier is used. Otherwise, equipment failure, or death or serious injury due to electric shock may result, because voltage is outputted from the rectifier even when the radar is not operating. For operating the radar equipment in the good conditions, it is necessary to make the maintenance work as described below. If maintenance is made properly, troubles will reduce. It is recommended to make regular maintenance work. Common points of maintenance for each unit are as follow: Clean the equipment. Remove the dust, dirt, and sea water rest on the equipment cabinet with a piece of dry cloth. Especially, clean the air vents with a brush for good ventilation.
7-27. TROUBLE SHOOTING yyyyyyy7 WARNING Turn off the main power source before starting maintenance. Otherwise, an electric shock or injury may be caused. Turn off the main power if you need to be near the scanner unit for maintenance or inspection purposes. Direct exposure to electromagnetic waves at close range in death or serious injury. Set the safety switch for stopping the scanner unit to the OFF position. Otherwise, an accidental contact with the rotating scanner unit may cause injury.
7-37.1 FAULT FINDING In case of semiconductor circuits, it is deemed that there are few cases in which the used semiconductor devices have inferior quality or performance deterioration except due to insufficient design or inspection or by other external and artificial causes. In general, the relatively many causes are disconnection in a high-value resistor due to moisture, a defective variable resistor and poor contact of a switch or relay. Some troubles are caused by defective parts, imperfect adjustment (such as tuning adjustment) or insufficient service (such as poor cable contact). It will also be effective to check and readjust these points. Melted fuses are caused by any clear cause. When a fuse is replaced, it is necessary to check the related circuits even if there is no trouble. In checking, note that there is some dispersion in the fusing characteristics. Table 7-1 shows a lit of alarm message displayed on the screen. Table 7-1 Alarm message list ALARM TYPE MASSAGE REASON TRX(SSW OFF) SCANNER SAFETY SWITCH OFF TRX(AZI) SCANNER azimuth pulse error TRX(MHV) TRANSMITTER high voltage error TRX(TRIGGER) TRANSMITTER trigger error PANEL CONTROL PANEL communication error DOCKING No docking data GPS No GPS input GPS(DATA) GPS data error GPS(STATUS) GPS status error PROC(INT) PROCESSOR interrupt error PROC(AZI) PROCESSOR detects no azimuth pulse PROC(HL) PROCESSOR detects no heading pulse PROC(REVERSE) PROCESSOR detects SCANNER rotating in reverse. ASIC1 TO RADAR Interrupt, form ASIC1 to RADA, error PROC(VIDEO) PROCESSOR detects no radar video. PROC(TRIGGER) PROCESSOR detects no trigger COM1 Serial port 1 error COM2 Serial port 2 error COM3 Serial port 3 error COM4 Serial port 4 error HEADING No heading data DEPTH No depth data DEPTH(DATA) Depth data error FAN Fan error RUDDER No rudder data AUTOPILOT No autopilot data ROT No rate of turn data SYSTEM FAILURE TRIP No trip data CAN’T TRANSMIT Attempted to select TRANSMIT while it is not allowed.NO HEADING DATA SHM OFFSET attempted with no heading data. NOT ALLOWED Function attempted while not allowed. GENERAL WARNING POSN RESET L/L sentence is switched. Table 7-2 shows a list of fuses used in the equipment. Table 7-2 Fuse List Location Parts No. Current Rating Protection Circuit Type Transmitter-receiver Unit F401 5A Scanner unit without motor ST4-5AN1 Motor Unit F402 8A Motor (CBP-169) ST6-8AN1
7-47.2 TROUBLE SHOOTING yyyyyyy77.2 TROUBLE SHOOTING As this radar equipment includes complicated circuits, it is necessary to request a specialist engineer for repair or instructions for remedy if any circuit is defective. There are also troubles by the following causes, which should be referred to in checking or repair work. 1 Poor Contact in Terminal Board of Inter-Unit Cables a) Poor contact in terminal board b) The cable end is not fully connected, that it, contacted with earthed another terminal. c) Disconnected cable wire 2 Poor Contact of Connector within Unit Reference: This radar equipment is provided with 7-3 standard spares. Table 7-3 Spares (7ZXRD0020, JMA-610) 7ZXRD0020 Name Type/Code Shape (mm) In use Spare Parts No. Location Fuse ST4-5AN1 (5ZFCA00050) 1 3 F401 Inside processing unit Fuse ST6-8AN1 (5ZFCA00052) 1 3 F402 Inside processing unit Table 7-4 Special Parts [I] JMA-610-7 Parts No. Name Type Manufacturer Location Code V101 Magnetron MSF11562B NewJRC Scanner 5VMAA???? A101 Circulator FCX68R Toshiba Scanner 6AJRD00001 A102 Diode Limiter NJS6930 NewJRC Scanner 5EZAA00024 31.8 Φ6.3531.8 Φ6.35
7-5Table 7-5 Circuit Block to be Repaired (JMA-610) Location Circuit Block Type Remarks Scanner Motor with gear CBP-169 DC brush less motor (ordinary) Scanner Modulator CPA-276-1 Excluding Magnetron Scanner Receiver NRG-237 Scanner Power supply circuit CBD-1783 Scanner Terminal board circuit CQD-2186 Scanner Revolwtior coutrol circuit Scanner Filter circuit CFR-193R Processor Radar processing circuit CDC-1371 Processor Terminal board circuit CQD-2185 Processor Power circuit CBD-1655 Processor DC-DC convertor CBD-1701 Operation panel unit Operation circuit CCK-892A Operation panel unit Track ball CHG-198
7-67.3 REPLACEMENT OF MAJOR PARTS yyyyyyy77.3 REPLACEMENT OF MAJOR PARTS CAUTION Turn off the main power source before replacing parts. Otherwise, an electric shock or trouble may be caused. Before replacing the magnetron, turn off the main power source and wait for 5 minutes or more until the high voltage circuits are discharged. Otherwise, an electric shock may be caused. Take off your wrist watch when bringing your hands close to the magnetron. Otherwise, your watch may be damaged because the magnetron is a strong magnet. Two or more persons shall replace the liquid crystal monitor. If only one person does this work, he may drop the LCD, resulting in injury. Even after the main power source is turned off, some high voltages remain for a while. Do not contact the inverter circuit in the LCD with bare hands. Otherwise, an electric shock may be caused.
7-7Parts Required for Periodic Replacement Here are parts required for periodic replacement Part name Interval 1. Magnetron 4000 hours 2. Motor 10000 hours 3. Fan motor 20000 hours 4. Backup battery 3 years Replacement of magnetron (V101) Remove the shield cover of the modulator and check that no charge remains in the high-voltage modulator circuit. Then, remove the socket of the magnetron. The magnetron can be demounted by removing the screws fixing it. When mounting a new magnetron, do not touch the magnet with a screwdriver or put it on an iron plate. After replacement, connect the lead wire correctly. Handling of Magnetron under Long-Time Storage The magnetron that has been kept in storage for a long time may cause sparks and operate unstably when its operation is started. Perform the aging in the following procedures: (1) Warm up the cathode for a longer time than usually. (20 to 30 minutes in the STBY state.) (2) Start the operation from the short pulse range and shift it gradually to the longer pulse ranges. If the operation becomes unstable during this process, return it to the standby mode immediately. Keep the state for 5 to 10 minutes until the operation is restarted. Replacement of Diode Limiter (A102)(JMA-610-7) Remove the 4 screws fixing the receiver. Remove the 4 screws fixing the diode and the limiter, and remove diode limiter. When mounting the diode limiter, take care of the mounting direction and mount it in the arrow direction facing it the receiver. Connect the wiring in the same way as before the replacement.
SECTION 8 AFTER-SALES SERVICE
8-1yyyyyyyy··········· When you Request for Repair ·························································· If you suppose the product may be out of order, read the description in Section 8 carefully and check the suspected point again. If it is still out of order, you are recommended to stop operation of the equipment and consult with the dealer from whom you purchased the product, or our branch office in your country or district, the sales department in our main office in Tokyo. z Repair within the Warranty Period If any failure occurs in the product during its normal operation in accordance with the instruction manual, the dealer or JRC will repair free of charge. In case that any failure is caused due to misuse, faulty operation, negligence or force major such as natural disaster and fire, the product will be repaired with charges. z Repair after the Warranty Period If any defective function of the product is recoverable by repair, the repair of it will be made at your own charge upon your request. z Necessary Information for Repair ☆ Product name, model, manufacturing date and serial number ☆ Trouble conditions (as detailed as possible. Refer to “Radar Failure Check List” in page 8-2. ) ☆ Name of company/organization, address and telephone number ··········· Recommended Maintenance ···························································· The performance of the product may deteriorate due to the secular change of the parts used in it, though such deterioration depends upon the conditions of operation. So checkup and maintenance is recommendable for the product in addition to your daily care. For maintenance, consult with the near-by dealer or our sales department. Such maintenance will be made with charges. For further details of after-sale service, contact the JRC Offices in the list at the end of this manual.
8-28 AFTER-SALES SERVICE yyyyyyyyRadar Failure Check List When placing an order for repair of the product, it is requested that you could confirm the check items and fill the results and sent the sheet to our contact. If there is any unclear items, contact the ship on which the product is installed, and give the correct information on the product. Ship name: Phone: Fax: Radar general model name: JMA- Serial No. : (Write the full model name correctly) (1) Check the following items in the order of the number, and circle the applicable answer between YES or NO. If the item cannot be determined as YES or NO, explain in detail in the item (18), others. (2) If any of the items (1) to (5) is marked as NO, check the fuse of the NDC-1486. (3) Check the items (4) to (15) while the transmission (TX) is ON. * Functions mentioned in the items (14), and (15) may be optional, answer is not necessary. No. Check Item Result (1) Power can be turned on. (The lamp on the operation panel is lit) YES NO (2) A few minutes after powering-on, it will become standby status (TX Ready). YES NO (3) When powering-on (or TX ON), LCD displays something (LCD is lit). YES NO (4) The scanner rotates at the transmission (TX) ON. (Check the following items while transmission is ON) YES NO (5) Current is supplied to the magnetron. (Refer to the instruction manual) YES NO (6) Turning is enabled. (Check with the range of 8 km or more) YES NO (7) Fixed marker is displayed. YES NO (8) VRM is displayed. YES NO (9) While noise is displayed while set at STC and FTC minimum, GAIN maximum, IR-OFF and range 32km. YES NO (10) Target reflection echo is displayed. YES NO (11) Sensitivity of reflection echo is normal. YES NO (12) EBL is displayed. YES NO (13) Cursor mark moves. YES NO*(14) GYRO course can be set and normally displayed. YES NO*(15) LOG speed can be normally displayed. YES NO (16) Others (Error message, etc. )
8-3yyyyyyyy
SECTION 9 DISPOSAL 9.1 DISPOSAL OF THE UNIT ...................... 9-1 9.2 DISPOSAL OF USED BATTERIES ....... 9-2 9.3 DISPOSAL OF USED MAGNETRON .... 9-3
9-1DISPOSAL 9.1 DISPOSAL OF THE UNIT When disposing of this unit, be sure to follow the local laws and regulations for the place of disposal.
9-2DISPOSALyyyyyyyyy9 9.2 DISPOSAL OF USED BATTERIES WARNING When disposing of used lithium batteries, be sure to insulate the batteries by taping the ⊕ and ○ terminals. Otherwise, heat generation, explosion or a fire may occur. In this unit, Lithium batteries are used for the following parts: Radar Processing circuit (CDC-1371): BT1 (Maxell: CR3032) z Do not store used lithium batteries. Dispose of them in accordance with regulations of local government. z When disposing of used lithium batteries be sure to insulate the batteries by taping the ⊕ and ○ terminals. For disposal of batteries, be sure to follow the local laws and regulations. For detail, consult with the dealer you purchased the product our business office, or local government. −−
9-39.3 DISPOSAL OF USED MAGNETRON Magnetron is used in the Scanner （NKE－316） z When the magnetron is replaced with a new one, return the used magnetron to our dealer or business office. For detail, consult with our dealer or business office.
SECTION 10 SPECIFICATIONS 10.1 JMA-610 TYPE RADAR ............................................................................. 10-1 10.2 SCANNER (NKE-316) ................................................................................ 10-2 10.3 CONTROL UNIT(NDC-1486)...................................................................... 10-3 10.4 INPUT SIGNAL .................................................................................... 10-4 10.5 OUTPUT SIGNAL .................................................................................... 10-5 10.6 STANDARD EQUIPMENT COMPOSITION ...............................................10-5 10.7 DISTANCE BETWEEN UNITS ................................................................... 10-5
10-110.1 JMA-610 TYPE RADAR (1) Type of Emission P0N (2) Display type PPI method, vertically long display (3) Display panel Radar video effective diameter of 270mm (min) (4) Range Scale 0.15, 0.3, 0.5, 0.8, 1.2, 1.6, 2, 4, 8, 16 and 32km (5) Range Resolution Less than 15m (6) Minimum Detective Range Less than 15m (7) Range Accuracy Within ±1.5% of range in use or ±5m (8) Bearing Accuracy Less than 1° (9) Bearing Indication Relative Motion mode: Head-up/Course-up/North-up (10) Ambient Condition According to IEC60945 Temperature Scanner: -25 to +55℃ (Storage Temperature: -25 to +70℃) Other Unit except Scanner: -15 to +55℃ Relative Humidity 93% at +40℃ Vibration 2 to 13.2Hz, amplitude ±1mm ±10% 13.2 to 100Hz, Gravity acceleration 0.7m/s2 Velocity of the wind 27.8m/s(54kt) (11) Power Supply Input +24VDC (Display Unit) +24VDC (Scanner) * Display Unit and Scanner correspond to 100VAC/220VAC when use NBA-3308. (12) Power Consumption Approx. 400W (In maximum wind velocity) (13) Power Supply Voltage +24VDC –10/+30% (Display Unit) Fluctuation +24VDC –10/+30% (Scanner Unit) (14) Pre-heating Time Approx. Within 1min30sec
10-210.2 SCANNER (NKE-316)yyyyyyyyyy10 10.2 SCANNER (NKE-316) (1) Dimensions Height 458mm×Swing Circle 2270mm (2) Mass Approx. 41kg (3) Polarization Horizontal Polarization (4) Directional Characteristic Horizontal Beam Width: 1.0° (-3dB width) Vertical Beam Width: 25° (-3dB width) Sidelobe Level: Below –26dB (within ±10°) Below –30dB (outside ±10°) (5) Revolution Approx. 24/36/48 rpm (6) Peak Power 4.9kW (7) Transmitting Frequency 9410 ±30MHz (8) Transmitting Tube MSF1562B (9) Pulse width/Repetition Frequency 0.15km 0.05μS/4000Hz 0.3km 0.05μS/4000Hz 0.5km 0.05μS/4000Hz 0.8km 0.05μS/4000Hz 1.2km 0.05μS/4000Hz 1.6km 0.05μS/4000Hz 0.1μS/2000Hz 2km 0.05μS/4000Hz 0.1μS/2000Hz 4km 0.1μS/2000Hz 0.3μS/2000Hz 8km 0.3μS/2000Hz 0.6μS/1000Hz 16km 0.6μS/1000Hz 32km 0.6μS/1000Hz (10) Duplexer Circulator + Diode Limiter (11) Mixer MIC Front End (12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz Receiver characteristic = Logarithmic receiver (13) Overall Noise Figure 7.5dB(Average)
10-310.3 CONTROL UNIT(NDC-1486) (1) Mounting Table mounting (2) Video Output RGB, H-sync and V-sync (SXGA) (3) Range Scale 0.15, 0.3, 0.5, 0.8, 1.2, 1.6, 2, 4, 8, 16 and 32km (4) Range Ring 0.05, 0.1, 0.1, 0.2, 0.2, 0.4, 0.4, 1, 2, 4 and 8km (5) Variable range marker Digital read-out on the screen (4 characters) 2 kinds of VRM (6) EBL Digital read-out on the screen (4 characters) 2 kinds of EBL (7) Cursor Range, Bearing, and Lat./Lon’ (8) Dimension Processing Keyboard Height: approx. 170mm 45mm Width: approx. 360mm 290mm Depth: approx. 340mm 123mm (9) Mass Processing Keyboard approx. 21kg 1.0kg (10) Tune mode Auto/manual mode (11) STC only manual mode (12) FTC only manual mode (13) IR 3 kinds of IR mode (14) Bearing scale 360°scale graduate at intervals of 1° (15) Ship’s heading marker Electric flash line suppressible while pushing key Ship’s stern marker can be displayed. (16) P-Line 2 Parallel line (17) Off center 3steps +60%,40%,20% of effective radius. (18) Trails Relative trails / True trails Trails length: OFF//2 scans/15/30sec/1/2/3/4/5/6min and continuation. Any time possible to select the said article. (19) Pulse length short/long ( 1.6, 2, 4, 8km) (20) Expansion OFF/FAIR/STRONG (21) display color Radar echo: 16 level (yellow, green, amber, white) Background (PPI): black, blue, dark gray Background (outside of PPI): black, gray, dark gray, bright blue Trails: 16 level (yellow, amber, white, bright blue, green) Character/Dial: green, amber, white, yellow, VRM1/VRM2: cyan, green Own ship make/ other ship make: cyan, gray, magenta, green, white
10-410.4 INPUT SIGNALyyyyyyyyyy10 10.4 INPUT SIGNAL (1) Navigation equipment IEC61162-1/2 L./L: GGA>RMC>RMA>GNS>GLL COG/SOG: VTG>RMC>RMA TIME: ZDA TRIOP: VLW ROT: ROT RUDDER : RSA AUTOPILOT: APB (2) signal for bearing HEADING: THS>HDT>HDG>HDM>VHW (3) Depth DPT>DBT>DBK>DBS (4) AIS ALR,VDM INLAND AIS sentence (5) Rate of turn ROT 20mV/degrees: 30-0-30, 90-0-90. 300-0-300 (6) Rudder RSA 20mV/degrees: 90-0-90 (7) Transmit Trigger low impedance (8) RADAR video 50 ohm matching (9) Bearing pulse Open collector (10) Ship’s heading signal Open collector
10-510.5 OUTPUT SIGNAL (1) The signal for Slave Display TIY, VD, BP (2048 pulse), BZ (2) Navigation information RADAR system data: RSD Own ship data: OSD (3) External alarm Point-of-contact signal normal close. Max current : 200mA. (4) 2ND monitor Analog RGB HD 15pin connector 1pcs (DVI connector 1pcs.) (5) AIS ACK. (6) LAN 100Mbps(100BACE-TX) Radar screen UDP/IP Multi cast. Sweep/quadrant /full screen/block Radar control TCP/IP Uni cast. All the operation except power on/off. 10.6 STANDARD EQUIPMENT COMPOSITION Scanner: 1 Processor unit: 1 Keyboard: 1 Spare parts: 1 Instruction manual:1 10.7 DISTANCE BETWEEN UNITS Maximum Standard Monitor-processor unit 5m 5m Keyboard-processor unit 7m 7m Scanner-processor unit 300m Power supply unit-processor 30m
APPENDIX
HOW TO INSERT AND REMOVE A CARD Insert or remove the JRC coastline ROM card, ERC card, C-MAP card and memory card according to the procedures below. Note: Keep a card horizontal when inserting it into a card slot. An inclined card causes a failure. Do not simultaneously insert a JRC coastline ROM card, an ERC card and C-MAP card into the card slot. A malfunction will occur on the display. Insert the card into the specified slot according to the following table: Card type Insertion slot No. JRC card Either one ERC card Either one C-Map NT+ detail card Either one Memory card Either one Note: The Background of C-Map has been built in, don’t insert C-Map NT+ background card. If the background card is inserted, the system will malfunction. Insert a card into processor unit Procedures 1 Remove the rubber packing located at the backside of the processing unit cabinet, and expose the card slot.
APPENDIX 2 Insert the card in the direction indicated by the arrow. 3 Insert the card until the card slot's eject button protrudes and complete the installation of a card. Eject a card from processor unit Procedures 1 Push the eject button corresponding to the desired card slot. 2 remove a card from processor unit

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