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Chapter 4 Troubleshooting and on-board repair MDC-2900 Series

4-26

0092629012-07

4.4 Repair

4.4.1 Replacement of fuse

The location of the fuses is on the back panel of Display unit.

Fuse type and rating

Application

Type, dimension (mm)

Fuse characteristic

Rating

Main power

Tubular (

6.4 x 30)

Normal blow

15 A

Modulator high voltage

Tubular (

5.2 x 20)

Normal blow

0.5 A

Antenna drive motor

Tubular (

5.2 x 20)

Normal blow

5 A

Fuse location

Modulator high voltage

Antenna drive motor

Main power

Zoom

Figure 4.3 Fuse locations on display unit back panel

Содержание MDC-2900

Страница 1: ......

Страница 2: ...nfiguration Equipment Chapter 3 Chapter 4 Chapter 6 7 0092629012 07 2013 08 22 Chapter 4 8 9 10 Document No Revised Version Norm When part of the document needs to be revised the document has advanced revision number The document No is indicated at the lower right side on the cover and at the left or right side of the footer region of each page 2009 2013 Koden Electronics Co Ltd All rights reserve...

Страница 3: ... ones and some parts may be omitted Koden is not liable for damages and troubles arisen from misunderstanding of the contents in this manual Koden is not liable for any damages caused by earthquake lightning wind and flood damage and fire for which Koden is not responsible and actions by third parties other accidents customer s unintended error abuse and the use under other abnormal conditions Kod...

Страница 4: ... death or serious injury caused by electric shock when not dealing with it correctly Mark for caution This symbol denotes that there is a risk of slight injury or damage of device when not dealing with it correctly Mark for prohibition This symbol denotes prohibition of the specified conduct Description of the prohibition is displayed near the mark IMPORTANT Mark for important matters This mark de...

Страница 5: ...is inadvertently powered on during work you will be electrified To prevent such accident from occurring ensure to switch off the power in the boat and the power of equipment Furthermore it is safer to hang the caution tag with description of Under Work near the power switch of equipment Caution on dust Inhaling dust may cause A respiratory disease When cleaning the inside of equipment be careful n...

Страница 6: ... effect on human bodies but some kind of medical devices such as heart pacemakers are sensitive even under the low energy electromagnetic wave Any personnel with such a device should keep away from the electromagnetic wave generating position at all times Specified power density and distance from the radar in accordance with the provision as specified in IEC 60945 Model name Xmit power Antenna len...

Страница 7: ...amage Caution on the remaining high voltage A high voltage may remain in the capacitor for several minutes after you have powered off Before inspecting inside wait at least 5 minutes after powering off or discharging the remaining electricity in an appropriate manner Then start the work The information displayed in this unit is not provided directly for your navigation For your navigation be sure ...

Страница 8: ...sposal and collection rules may be different depending on each municipal district Obey the directions of each district Disposal of this radar This radar shall be disposed according to the municipal regulations or rules A high energy density lithium ion cell is built in this radar Improper disposal of a lithium ion cell is discouraged as the cell has a possibility of short circuiting If it gets wet...

Страница 9: ...5 Cable wiring and interconnection 1 3 1 5 1 Antenna Scanner unit 1 3 1 5 2 Display unit 1 3 Chapter 2 Method of installation 2 1 2 1 How to install the Antenna Scanner unit 2 1 2 1 1 Installation of the Antenna Scanner unit 2 1 2 1 2 Mounting Antenna 2 2 2 1 3 Connecting the cables 2 3 2 2 Interconnection diagram of cable 2 5 2 3 Installation of the Display unit 2 6 2 3 1 Installation of MRD 105 ...

Страница 10: ...3 1 3 1 4 Adjustment of transmitting delay time Trigger Delay 3 2 3 1 5 Display bearing adjustment 3 3 3 1 6 Setup of MBS value Main Bang Suppression 3 3 3 1 7 Function key usage 3 4 3 2 Setup Interface 3 5 3 2 1 Setup TIME 3 6 3 2 2 Use without connection of HDG SPD LAT LON and Way Point etc 3 6 3 2 3 Set up heading interfaces 3 7 3 2 3 1 Connection of KGC 1 for obtaining ship s bearing signal 3 ...

Страница 11: ...3 17 3 3 13 2 Change of Signal gradation 3 17 3 4 Setting of CCRP common reference position and own ship profile 3 18 3 5 Stopping of transmission to certain angle 3 18 3 6 Backup of set values 3 19 3 6 1 Internal storage 3 19 3 6 2 External storage 3 19 3 7 Use of interswitch function 3 20 3 7 1 Cross connection 3 20 3 7 2 DUAL connection 3 20 3 7 3 MASTER SLAVE connection 3 21 3 7 4 Connection o...

Страница 12: ...er unit 4 24 4 4 Repair 4 26 4 4 1 Replacement of fuse 4 26 4 4 2 Replacement of Internal Battery 4 27 Chapter 5 Maintenance 5 1 5 1 Regular service and cleaning up 5 1 5 1 1 Monthly inspection 5 1 5 1 2 Annual inspection 5 1 Chapter 6 Input output data 6 1 6 1 Input data 6 1 6 1 1 Details of the data input format 6 1 6 1 2 Priority of received data 6 6 6 2 Details of TT ARPA tracking data output ...

Страница 13: ...W 406 5M CW 406 5M CW 387 5M CW 576 0 5M Slave display MRD 105 105P MRO 105 CW 373 10M CW 561 10M External monitor Analog SXGA CW 560 2M J9 10P J1 8P J2 12P J3 VDR CW 560 2M GYRO SYNCHRO or step signal LOG pulse GYRO NMEA signal CW 406 5M NAV J5 J6 L1N Log pulse NMEA converter Antenna RW701A 04 RW701A 06 CW 376 5M ATA Board E56 7010 AIS Board E59 7100 C MAP Card Connecting cable 242J159098B 15M St...

Страница 14: ...le VV 2D8 3M GPS Compass S2N Gyro converter AIS CW 376 5M CW 376 5M CW 406 5M CW 406 5M CW 387 5M CW 576 0 5M Slave display MRD 105 105P MRO 105 CW 373 10M CW 561 10M External monitor Analog SXGA CW 560 2M J9 VDR CW 560 2M Alarm out GYRO SYNCHRO or step signal LOG pulse Operation unit MRO 105 E 6P SXGA Monitor Display GYRO NMEA signal CW 406 5M NAV J5 EPFS Electric position Fixing System J6 L1N Lo...

Страница 15: ...5 kg 1 10 Document MDC 2900 SER OM E Operation manual 1 11 Document MDC 2900 SER IM E Installation manual 1 12 Document MDC 2900 SER QR E Quick Reference 1 MDC 2910 No Name Type Comment Weight Length Quantity 1 Antenna RW701A 04 4 ft 6 kg 1 RW701A 06 6 ft 8 kg 2 Scanner unit RB718A 12 kW 17 kg 1 3 Display unit MRD 105 15 kg 1 4 Operation unit MRO 105 1 8 kg 1 5 Connecting cable 242J159098B 15M Wit...

Страница 16: ... Document MDC 2900 SER OM E Operation manual 1 11 Document MDC 2900 SER IM E Installation manual 1 12 Document MDC 2900 SER QR E Quick Reference 1 MDC 2960BB No Name Type Comment Weight Length Quantity 1 Antenna RW701A 04 4 ft 6 kg 1 RW701A 06 6 ft 8 kg 2 Scanner unit RB717A 6 kW 17 kg 1 3 Processor unit MRM 105 12 4 kg 1 4 Operation unit MRO 105 1 8 kg 5 Connecting cable 242J159098B 15M With conn...

Страница 17: ...0 SER OM E Operation manual 1 10 Document MDC 2900 SER IM E Installation manual 1 11 Document MDC 2900 SER QR E Quick Reference 1 MDC 2920BB No Name Type Comment Weight Length Quantity 1 Antenna RW701A 04 4 ft 6 kg 1 RW701A 06 6 ft 8 kg 2 Scanner unit RB719A 25 kW 21 kg 1 3 Processor unit MRM 105 12 4 kg 1 4 Operation unit MRO 105 1 8 kg 5 Connecting cable 242J159098B 15M With connectors on the bo...

Страница 18: ... 2 Fuse MF51NN250V5A Normal type Tubular 5 2 x 20 1 Motor power 3 Fuse FGMB A 250V0 5A Normal type Tubular 5 2 x 20 1 High voltage power supply 4 Carbon brush 24Z125209B 1 set Antenna motor Installation material list M12 BOLT KIT No Name Specification Quantity Usage 1 Hexagon bolt B12X55U 4 Antenna unit 2 Nut N12U 8 Antenna unit 3 Plain washer 2W12U 8 Antenna unit 4 Spring washer SW12U 4 Antenna u...

Страница 19: ...or cable for data 5 m CW 406 5M With a 8 pin water resistant connector and one end plain cable for THD 5 m CW 376 5M With a 6 pin water resistant connector and one end plain cable for data 5 m CW 387 5M With a 8 pin water resistant connector and one end plain cable for AIS 5 m CW 561 select 10M or 30M With 12 pin water resistant connectors at both ends connector for slave display 10 m or 30 m CW 5...

Страница 20: ... check the appearance of each unit carefully confirm that any dent and crack free Moreover please also check the interior of each unit and confirm that there is no electric or mechanical damage The illumination panel back light of the LCD module is made of glass If the unit is dropped damage may occur Since the presence of damage might not be found by checking of the appearance please confirm in t...

Страница 21: ...s much as possible 5 The Antenna Scanner unit should be installed in front of large objects or exhaust stack to prevent a blind sector or the effects on the Antenna by engine exhaust soot 6 Keep sufficient maintenance area 7 Keep safety distance from magnetic compass Table 1 1 Safety distance of compass from the Scanner unit Scanner unit type Standard compass Steering compass RB717A 1 4 m 0 95 m R...

Страница 22: ... 5 1 Antenna Scanner unit 1 The connecting cable between the Antenna Scanner unit and the Display unit should run apart from any other radio antenna cable or power cables of the other devices Do not lay the radar cable in parallel to the sea surface together with other cables These considerations are effective to prevent random radio interference between systems When these measures cannot be appli...

Страница 23: ...n diameter are made in the attachment side on the platform with reference to Figure 2 1 2 The Antenna Scanner unit is put on the location secured with four 12mm stainless steel bolts contained in installation material Unit mm inch 100φ Figure 2 1 Plain view of mounting hole 199 7 83 in 185 7 28 in 0 55 in 3 97 in Notch of Scanner Heading Antenna rotating radius R700 4 ft Antenna unit R1000 6 ft An...

Страница 24: ...ntenna and install the Scanner unit to the rotating base Align the direction of antenna radiation side KODEN mark side with the projection mark on the rotating base 3 Fix the aerial with four bolts removed in step 2 Antenna radiation side KODEN mark side Antenna Rotating base Remove Protective cap Projection mark Installation bolt Figure 2 3 Antenna assembly to the rotating shaft Rotating base Fla...

Страница 25: ...e cable holder plate together with lug terminal after removing the edge portion of heat contraction tube of the antenna cable 7 Mount the TR unit after connecting the J3 and J4 connectors removed in 3 by fixing bolts 8 7 pin connector shall be connected to J2 of the TR unit 9 pin connector to J1 9 Antenna cable shall be clamped onto the TR unit Please make sure the antenna cable does NOT touch mag...

Страница 26: ...le holder plate together with lug terminal after removing the edge portion of heat contraction tube of the antenna cable 7 Mount the TR unit after connecting the J3 and J4 connectors removed in 3 by fixing bolts 8 7 pin connector shall be connected to J2 of the TR unit 9 pin connector to J1 9 Antenna cable shall be clamped onto the TR unit Please make sure the antenna cable does NOT touch magnetro...

Страница 27: ...ND Yellow 3 3 Orange thick 12V 40V Red thick 4 4 Yellow GND 40V Yellow thick 5 5 Shield DATA RTN 40V RTN Green thick 6 6 Red coax DATA 40V RTN Blue thick 7 7 8 Brown coax BP SHF P1 9 Shield BP SHF RTN Description Cable colour No 10 Grey coax V TRIG 24V Blue 1 11 NC 2 12 Red thick 40V 12V Orange thick 3 13 Yellow thick 40V DATA RTN Shield 4 14 Shield V TRIG RTN DATA Red coax 5 15 Green thick 40V RT...

Страница 28: ... Display unit is secured on the mounting bracket 2 Remove the Display unit from the mounting bracket and put it on a stable flat and horizontal place 3 Place the mounting bracket in the appropriate setting position and secure it with five M5 screws 4 Remount the Display unit on the mounting bracket and secure it with knob bolts which were removed in 1 Figure 2 6 Diagram of installation procedure o...

Страница 29: ...splay unit on the table some maintenance space is required for cabling connector access fuse replacement fastening of bolts etc as shown in the following figure Mounting dimensions Front Figure 2 7 Maintenance space necessary for tabletop display Unit mm inch Hole diameter 1 4 80 3 5 32 Maintenace space ...

Страница 30: ... figure Figure 2 8 Opening and nut holes for display unit 1 Cut an opening and drill 4 5 mm eight holes with the size shown in Figure 2 8 on the side for attachment of a display unit on a panel 2 Unscrew four knob bolts that hold the display unit to the mounting bracket 3 Remove the display unit from the mounting bracket and put it on a horizontal stable place Figure 2 9 Flush mount Installation 4...

Страница 31: ...t MRM 105 can be mounted on a table or a panel The procedure is as follows 1 Drill four nut holes with the size shown in Figure 2 10 2 Fit the Processor unit 4mm screw for 4holes 308 mm 12 1 8 inch 308 mm 12 1 8 inch 308 mm 12 1 8 inch 308 mm 12 1 8 inch Figure 2 10 Holes for mounting a Processor unit Unit mm inch ...

Страница 32: ... cap with fingers Take care not to damage the bezel of Operation unit by the tip of flat blade screwdriver 2 Remove M4 4 mm screws and remove the Operation unit from the mounting bracket 3 Mark the place as shown in the following figure and then secure the mounting bracket with 5M 5 mm tapping screws at four places 4 Secure the Operation unit to clamps with M4 4 mm screws that were removed in 2 an...

Страница 33: ...hapter 2 Method of installation 0092629012 07 2 11 Mounting dimesions Figure2 12 Maintenance space necessary for Operation unit 3 15 16 100 5 37 64 141 5 1 37 64 40 15 5 32 385 1 37 64 40 Unit mm inch Maintenance space ...

Страница 34: ... 13 45 64 348 Unit mm inch Installation 1 Remove corner guard caps of four corners of the Operation unit 2 Insert the Operation unit and its connecting cable into the opening and adjust the Operation unit parallel to the mounting face Figure 2 14 3 Secure the Operation unit to the panel with 4 mm tapping screw 4 places 4 Return corner guard caps removed in 1 to the original places Figure 2 13 Diag...

Страница 35: ...gure 2 15 Figure 2 15 Cable connections for standard configuration of MRD 105 Display unit View of CW 259 connector Power cable pin assignment No Wire color Signal name 1 Black DC Main power 2 White DC Main power 3 Grey Ground 1 2 3 AC Power cable Ordered goods AC DC Rectifier PS 010 or VL PGS001 DC Power supply 21 6 to 41 6 VDC Connecting cable Type 242J159098B 15M Standard length 15 m DC Power c...

Страница 36: ...ector Power cable pin assignment No Wire color Signal name 1 Black DC Main power 2 White DC Main power 3 Grey Ground 1 2 3 AC Power cable Ordered goods AC DC Rectifier PS 010 or VL PGS001 DC Power supply 21 6 to 41 6 VDC Connecting cable Type 242J159098B 15M Standard length 15 m DC Power cable CW 259 2M Standard length 2m Processor unit MRM 105 Antenna Scanner unit Operation unit MRO 105 Zoom Zoom...

Страница 37: ...0000 password and then press ENT key Note Initial password is 0000 4 Menu display is disappeared once after correct password is input Press MENU once again to use Menu 5 Please rotate the track ball and select bellow MAINTENANCE I O DETAIL KGC 1 SET INITIAL GO and then press ENT key The communication baud rate is set to 38400 bps for both Display unit and KGC 1 Start the KGC 1 to output HDT GGA an...

Страница 38: ...3 5M Attached cable CW 373 5M Radar Display MRD 105 J4 NAV EPFS SDME AIS inter switch Gyro VDR ALARM J5 J6 AUTOPILOT Cautions As the same sentence will be input from 2 ports please assign SDME ship s speed as the input port of GGA GLL VTG and ZDA As for setting see 3 2 11 Set TLL and TTM of EPFS output at 1 0 second in order to display TT on the plotter referring to 3 2 8 NMEA for GTD 110 150 GPS ...

Страница 39: ...ble GTD 110 150 CW 376 5M CW 376 5M KBG 3 Attached cable Radar Display MRD 105 J4 NAV EPFS SDME AIS Inter switch Gyro VDR ALAR J5 J6 CW 373 5M JB 10 Caution As the same sentence will be input from 2 ports please assign EPFS position as the input port of GGA GLL VTG and ZDA As for setting see 3 2 11 Set TLL and TTM of EPFS outputs at 1 0 second in order to display TT on the plotter referring to 3 2...

Страница 40: ...should be able to input analog RGB The resolution is SXGA of the VESA standard or mini D sub15pin connector Dc Buzzer Alarm output Alarm output Ship s Power DC voltage max 1A Zoom CW 560 2M or equivalent VGA cable Figure2 20 Cable connection of Display unit to ext monitor The monitor should be able to input analog RGB The resolution is SXGA of the VESA standard mini D sub15pin connector Z O O M Fi...

Страница 41: ...7 5M Zoom S2N Gyro converter or NSK unit S2N CW 406 5M NSK CFQ 6998 GYRO SYNCHRO or Step signal THD OR 1 7 2 3 4 8 6 5 Pin No CW 406 Wire color Signal name 1 White Red 1 OUT A 2 White Black 1 OUT B 3 Orange Red 1 IN A 4 Orange Black 1 IN B 5 Grey Black 1 GND 6 NC 7 NC 8 Grey Red 1 5VDC Figure 2 22 Cable connection of Display unit to Gyro converter unit or THD Serial signal IEC 61162 2 Cable connec...

Страница 42: ...rt IEC 61162 2 EPFS port IEC 61162 1 SDME port IEC 61162 1 GYRO port IEC 61162 2 The I O format can switch IEC 61162 1 or 2 in the radar menu The sentence input to these ports is shown below Position information GGA GLL GNS RMC Heading information THS HDT Spead information VBW VTG VHW Set and drift VDR Waypoint information RMB BWC Routes RTE WPL Cross track RMB XTE Datum DTM Depth DBT DPT Temperat...

Страница 43: ...splay unit can also use TT ARPA and chart option functions in the same way as the primary one 2 Connect the secondary Scanner unit to the secondary Display unit in a cross connection 3 Operation unit MRO 105 is required for MRD 105 J7 Secondary Display unit MRD 105 Connect secondary antenna unit to secondary Display unit in the case of cross connection SDME or Log pulse NMEA converter EPFS Chart p...

Страница 44: ... the Scanner unit The monitor secondary Display unit will display its range in accordance with the primary one 2 Operation unit MRO 105 is required for MRD 105 Primary Display unit MRD 105 Processor unit MRM 105 Secondary Display unit MRD 105 Processor unit MRM 105 Remote cable CW 561 10M 10m EPFS POSITION Figure 2 26 Connecting a secondary Display unit as a monitor NAV PLOTTER SDME or Log pulse N...

Страница 45: ...installation height from sea level Press MENU key to display Menu Select MAINTENANCE STARTUP ANT HEIGHT and select Antenna height from sea level then press ENT key by the trackball selectable value 0 5m 5 10m 10 20m 20m or more Note This setup value influences each curve of manual STC and automatic STC 3 1 2 Setup antenna cable length Set up antenna cable length Improper setting of antenna cable l...

Страница 46: ... of target 5 Press ENT key to save the result of the maximum magnitude of target 3 1 4 Adjustment of transmitting delay time Trigger Delay This adjustment is intended to match the picture on the radar display with the distance of an actual target by the adjustment of the transmission delay time For the most accurate adjustment find a close hard long straight object such as a quay wall Select or ch...

Страница 47: ...value by the trackball 4 Roll the trackball up or down to adjust the value to match the bearing value of the target picture to the compass value 5 Press ENT key to save the adjustment result 3 1 6 Setup of MBS value Main Bang Suppression This setting is utilized to suppress the center spot signal at the middle of the picture as shown in Figure 3 2 1 Set range to 0 25 NM RAIN knob to 0 SEA knob to ...

Страница 48: ...EA CURSOR TM RESET OS PAST TRK RESET MAP DELETE C UP RESET OS OUTLINE EVENT OWN HOLD AIS TTL OUT ZOOM TT DELETE TIME FERRY MODE TT ALL DELETE ASSISTANT DISP ECHO ALARM ON OFF TT REF ACQ TGT LIST SORT ECHO ALARM EDIT RR GZ ALARM ON OFF BRG T REL GZ ALARM EDIT PERFORMANCE 1 Press MENU key to display Menu Select MAINTENANCE STARTUP F1 and then press ENT key after selection No numerical value is displ...

Страница 49: ...e with 2 4 Cable connection to a Display unit Example Display MENU MAINTENANCE I O MENU MAINTENANCE I O HDG AUTO GPS 44 7 OFFSET 0 0 STW VBW XXX Xkn COG SOG AUTO GPS 44 7 GPS 13 3kn POSITION AUTO GPS 35 27 511N 139 50 065E OFFSET DTM 0 000N 0 000E DATUM REF W84 LOCAL W84 SET DRIFT VDR 0 0 0 0 TIME ZDA GPS 08 07 17 02 10 TIME ZONE 09 00 CLOCK SET DETAIL SET UP Item Those show the values of sentence...

Страница 50: ...Roll the trackball up or down to match it to the time difference and then press ENT key 3 2 2 Use without connection of HDG SPD LAT LON and Way Point etc To make the use of the function of this device the default is set provided that all external input shall be connected at the initial status Therefore when only basic function of radar excluding navigation function mapping function display of data...

Страница 51: ...hall be connected to DATA 1 Alternatively do not perform the initialization Compensate angles of KGC 1 When the mounting direction of KGC 1 has been out of alignment compensation of the misalignment allows KGC 1 to output HDT signal as follows MAINTENANCE I O DETAIL KGC 1 SET BRG COR 0 0 and then select the last digit of entry frame for a numerical value and set with ENT key after pointing at the ...

Страница 52: ...hip s bearing it can be used after compensated as follows MAINTENANCE I O HDG OFFSET 0 0 and select the last digit of entry frame for a numerical value and set with ENT key after pointing at the angle to be compensated by turning the trackball up and down Caution Interface of the connected devices shall be set at the following values in accordance with each instruction manual Baud rate 38400 bps S...

Страница 53: ... Set values AUTO VBW VTG RMC RMA and CURRENT CURRENT COG SOG is calculated from STW in 3 2 4 and current selected in 3 2 6 AUTO Selection is done in order to priority in the table of 6 1 2 Caution When a ship has been brought to or is sailing VTG RMC and RMA of GPS may wamble in the course Therefore the speed vector of TT ARPA may also wamble In this case use it at the stabilized apeed against wat...

Страница 54: ... input in N UP mode the map moves up and down and when a value of longitude is input it moves right and left Compensation can be easily applied 3 2 8 Setting of output of NAV and EPFS The data of tracking targets can be output on the plotter and ECDIS There are two ports of NAV and EPFS that can be output Setting method is When MAINTENANCE I O DETAIL OUTPUT NAV or OUTPUT EPFS is selected menu of t...

Страница 55: ...e device is connected with multiple nautical instruments the same signals from HDT and GGL etc are input from several input ports If the values of these input signals are different interference that may cause jumping of ship s bearing and LAT LON may occur In these cases an input port can be assigned for each signal type Select as MAINTENANCE I O DETAIL INPUT and display the setting sub menu as fo...

Страница 56: ...nd output to a different format separately in a port 3 3 Setting of PRESET menu 3 3 1 Change of maximum adjustable range of GAIN knob Display sensitivity of the screen against the knob of GAIN is set When the sensitivity against rotation of the knob is too high or too low it can be adjusted with knob 1 Press key or key of the range on the transmission screen to set the range of the screen at 12 NM...

Страница 57: ...ntermediate level around 1 NM and press SP LP key to set MP 2 pulse width Following the same procedure as that in item 4 above adjust MP 2 6 Set the range at 1 5 NM In order that the target around 1 NM watched in the 3 NM range has the same strength adjust the value in the processes of MAINTENANCE PRESET GAIN OFFSET BW MP 3 In the same 1 5 NM press SP LP key to set the pulse width to be MP 1 Follo...

Страница 58: ...he white noise on the screen disappears from the area between the center and 8 NM stop the movement of the trackball and press ENT key for setting 6 After completion of all setting return to IR3 The set value of SEA MAN MAX is applied to the entire ranges 3 3 5 Use of PRE SEA suppression under the Manual SEA This setting is a function to make the value set under Sea suppression effective even when...

Страница 59: ... above adjust MP 2 6 Set the range at 1 5 NM Follow the process of MAINTENANCE PRESET SEA MAX OFFSET MP 3 and adjust the value so that the watched target adjacent to 1 NM in the range of 3 NM has the same strength Press SP LP key in the same 1 5 NM range to set the pulse width at MP 1 Following the same procedure as that in item 4 above adjust MP 1 7 Press SP LP key in the range of 1 5 NM to set t...

Страница 60: ...rical values Move the trackball up and down watching the screen and press ENT key when large blocks of rain clutter become smaller points and just before small boats and seaway buoys will disappear 3 3 11 Setting of preset CFAR Preset CFAR is set When this is set CFAR can be made effective even when RAIN knob is set at the minimum This function has also effect to moderate the effect against turned...

Страница 61: ...MANUAL and 0 BRILL at maximum IR at 3 and the range at 6 NM 3 Press MENU key and select MAINTENANCE PRESET VIDEO SETUP LOW LEVEL to highlight the last digit value roll the trackball up or down to change the value and then press ENT key 3 3 13 2 Change of Signal gradation When signals of a particular transmission pulse length are displayed weaker enhancement of echoes can be arranged by making HIGH...

Страница 62: ...ible to reduce the false images by stopping transmission to the direction to the mast 1 Press MENU key 2 Input the angle seen from the heading line to which transmission shall be stopped MAINTENANCE SECTOR MUTE START and highlight the last digit of the entry frame for numerical values Turn the trackball up and down and input the angle and fix with ENT key 3 Input the angle seen from the heading li...

Страница 63: ...External storage As external storage does not have influence of initialization this can be used for replacement of PCB and devices External storages shall be PCs that can be equipped with serial communication with serial port or with USB serial conversion cable The PC needs to be provided with dedicated software MDC 2XXX exe Connection between a PC and this device shall be done with a dedicated ca...

Страница 64: ...ing over of right and left side aerial wires is necessary to determine whether the displayed images are false or not Setting method 1 Press MENU key and follow SYSTEM INTER SWITCH MODE CROSS with the trackball and fix with pressing ENT key 2 One Display unit is set to be in CROSS another is also set automatically to be in CROSS Under cross connection each other s aerial wire can be completely inde...

Страница 65: ...key for setting 2 In dual connection when one Display unit is set in DUAL MASTER another Display unit is automatically set in DUAL SLAVE In addition input from sensors such as ship s bearing ship speed and latitude longitude in one Display unit is used in both units In this case the Display unit not connected to sensors can offset the bearing of images How to offset of image bearing 1 Watching ima...

Страница 66: ...et as MASTER another Display unit is automatically set as SLAVE In addition input from sensors such as ship s bearing ship speed and latitude longitude in one Display unit can be used in both units In this case the image bearing can offset How to offset of image bearing 1 Watching images press MENU key and follow MAINTENANCE I O HDG OFFSET with the trackball and highlight the last digit of entry f...

Страница 67: ...p where multiple radars are installed radar antennas have been installed in different environmental locations Therefore environmental factors affect on each set of radar will be different MDC 2900 series radars are equipped with a function to display antenna position on the screen to remind operators of these environmental factors Example of setting 1 Press MENU key and follow SYSTEM INTER SWITCH ...

Страница 68: ...p for internal status is provided for self diagnostics of this device 4 2 1 Alarm display and how to cancel Alarm display may appear at the lower right of the radar screen as shown in Figure 4 1 when a malfunction or operation error has been detected in the device Abnormalities are categorized as Alarm and Warning When Alarm display actually appears and there is something wrong with radar record t...

Страница 69: ...ed target interface not connected Something is wrong with interface with ATA Board Connection of ATA Board or PCB is faulty 12 Navline Exceeded Own ship crossed the Navline 13 Echo map area alarm detected Images were detected in map area 14 Change to relative bearing True bearing is not inputed 15 Change to relative vector VBW VTG or VDR are not inputed 16 Change to relative past position VBW VTG ...

Страница 70: ...bnormal SHF signal from Scanner unit is not received May be fault in SHF sensor in Scanner unit or rotation of Antenna may be stopped 56 Trigger abnormal Trigger from Scanner unit is not received 57 Radar video abnormal IF video from Scanner unit is not received 59 Echo area alarm detected Images are detected in echo alarm area 60 Tracked target exceeded the limit Number of tracked targets in TT A...

Страница 71: ... minimum range Zoomed beyond the minimum range or 70 of the range 105 Map data full More than the specified number of sea lines NAV lines marks and areas try to be attempted to register in map function 106 Interswitch changed the mode During interswiitch connection one Display unit switched over interswitch mode 107 Cursor off Another function is being specified 108 No offcenter In the maximum ran...

Страница 72: ...n of performance monitor The mode is fixed at H UP 118 Range Hold During starting up of performance monitor attempted to change the range The range is fixed at 24 NM 119 Time trial manoeuvre is less than 30 second Time trial manoeuvre is less than 30 second 120 Reference target overload Attempted to capture reference targets beyond 3 ...

Страница 73: ...ese LED s Refer to the following table for details Table 4 3 Status indicator lamps LED No Content Operation status LED status DS1 Software status Normal Flashing Abnormal OFF DS2 Hardware status Normal Flashing Abnormal ON or OFF DS3 FPGA status Normal Flashing Abnormal ON or OFF Location of status indicator lamps Figure 4 2 Status indicator lamp locations E56 701 E59 710 Status indicator lamp DS...

Страница 74: ...ible cause Measure Picture is dark 1 Adjustment of display brilliance is incorrect 2 Failure of LCD driver circuit 1 Press BRILL key and rotate EBL knob clockwise to adjust properly 2 Request repair No radar picture is displayed 1 Receiver is detuned 2 Video contrast adjustment error 3 Failure of transceiver 1 Readjust by referring to chapter 3 1 3 2 Readjust by referring to Operation manual Chapt...

Страница 75: ...ity normal Go to 4 3 2 6 Sensitivity failure in page 4 13 Is the power lamp lighted Go to 4 3 2 8 Operation unit abnormality in page 4 15 Is the screen brightness normal The brilliance key is pushed and the EBL switch is turned clockwise and brightness is maximized Do knobs and keys operate normally Go to 4 3 2 8 Operation unit abnormality in page 4 15 When MENU ALARM HISTORY LIST is displayed is ...

Страница 76: ... Is the Operation unit connector connected to the Display unit correctly Connect connectors correctly Yes No Power supply PCB failure Is voltage between J722 4 and J722 1 about 0V at power on Is the following connectors connected correctly Connectors of J710 main logic PCB and J602 power supply PCB Connect connectors correctly Is a connector of P722 connected correctly Connect connectors correctly...

Страница 77: ...ormality in page 4 19 END Yes No Go to 4 3 2 15 TT ARPA abnormality in page 4 21 Go to 4 3 2 17 No display of AIS in page 4 23 Go to 4 3 2 16 Map display abnormality in page 4 22 Is there a part displayed in white or black on the screen because any signal is not displayed Is there a part not normally displayed on the screen After ALL RESET did it become normal Logic PCB failure After reset did the...

Страница 78: ...in logic PCB flashing LCD unit failure Logic PCB failure Reconnect correctly When connector CN2 CN5 was pulled out from the Inverter PCB is the output voltage a range of AC1500V 1600V Inverter PCB failure Take off rear case from a LCD case Dismantle a LCD case Is the screen synchronization normal Go to 4 3 2 10 Synchronization of screen abnormality in page 4 17 LCD completely blank or it doesn t d...

Страница 79: ...P6 RB718 or P7 RB719 of Modulator PCB is pulled out 12V is confirmed with Modulator PCB J1 2 pin Is it normal No Yes Is voltage between J1 2 and GND of Modulater PCB 12V 1V Pull out antenna connector P7 in the Display Is the voltage between connector J7 6 and ground in the display 1 5V 0 5V Is the voltage between connector P1 5 and P1 4 1 5V 0 5V A connector P1 and J1 in the Antenna unit are recon...

Страница 80: ...ormality in page 4 16 Does sensitivity become normal by manual tune adjustment Does sensitivity become normal by readjusted automatic tuning with 12NM range Normal When display MENU SYSTEM BITE ANT MONITOR is there an abnormal item When you observed TUNE VOLTAGE in the MENU SYSTEM BITE ANT MONITOR with all ranges is the difference between each range less than 10 Is the center leakage image more th...

Страница 81: ...MENU MAINTENANCE I O HDG STW COG SOG LAT LON correctly set Set the input settings of HDG STW LAT LON and COG SOG correctly Logic PCB failure Select a data format conforming to the format that receives MENU MAINTENANCE I O DETAIL FORMAT IEC 61162 1 or IEC 61162 2 The external connecting device that outputs serial signal may be faulty Is the polarity of signals A and B normal Logic PCB failure Set t...

Страница 82: ...und Is the connection of the following logic PCBs normal 1 J710 and power supply PCB 2 J722 and operation unit When MENU key is pressed is the menu displayed MENU key failure Exchange inoperative keys or variable resistances No Yes No Yes Yes No Yes Are MENU SYSTEM BITE PANEL TEST displayed Track ball failure Yes No Cursor can not operate When they are operated at testing Operation unit do all key...

Страница 83: ...there any abnormal items IF PCB failure Is the HIGH VOLTAGE abnormal Is the MAG CURRENT abnormal No Yes No Yes Is the MAG HEATER abnormal Is the TUNE VOLTAGE abnormal Yes Yes Yes IF PCB failure Go to 4 3 2 11 High voltage abnormality in page 4 17 Magnetron or Modulator PCB failure No No No Go to 4 3 2 13 Rotary abnormality in page 4 19 Yes Is the RATE OF ROTATION abnormal ...

Страница 84: ... is unstable or not synchronized Yes No No Yes 0 V 0 V Modulation PCB failure Is the fuse for Modulator high voltage in display unit melted down Power supply PCB of display unit or faulty connection of antenna connection cable is faulty No Yes When P2 antenna connecting cable is disconnected is the resistance between J2 1 of modulation PCB and earth 100 kΩ or less P2 1 250 V of antenna connection ...

Страница 85: ...r PCB TP2 normal Modulator PCB failure Yes Modulator PCB failure Is 24 V J1 1 pin of the modulator PCB normal Antenna Scanner unit wiring failure or display unit failure No A B 5 V 0 V TP2 wave form Pulse length A ns B ms SP 150 0 45 to 0 55 MP1 200 0 45 to 0 55 MP2 300 0 45 to 0 55 MP4 600 0 9 to 1 1 LP 1200 1 8 to 2 2 4 3 2 12 Pulse length control failure ...

Страница 86: ... Change motor brushes with new set Go to 5 1 2 Annual inspection in page 5 1 Does the antenna rotate Normal When pull connector P2 in the ANT connecting cable are the resistance values between J2 5 and J2 7 less than 500kΩ Confirm the following and deal 1 A rope coils itself around an antenna and does not a turn lock it 2 Do not motor brushes decrease 3 Is not a motor failure A motor power supply ...

Страница 87: ...al pulse of modulator PCB J4 2 normal 10 ms 0 V 5 V Azimuth Pulse unit failure Is heading signal pulse in the modulator PCB J3 1 normal 3 msec Heading pulse detector failure Modulator PCB failure Yes No No Yes No Yes J1 7 synthesizedbearing signal pulse Heading line signal Bearing signal 1 2 msec 5 V 2 5V 0V Heading line Azimuth is abnormal 4 3 2 14 Heading line and Azimuth abnormality ...

Страница 88: ...er will the symbol dotted line circle for TT turn in solid line circle and continue tracking of the target When followed MENU OS TGT TT TEST TGT ON and the test target is acquired will TT continue tracking TT ARPA PCB failure Reset MENU MAINTENANCE PRESET TT TGT LEVEL Yes No Yes No Yes No Yes No Yes No No Can the vector of the target indicate a stable bearing When TRAIL TRUE 6 min is set is the sh...

Страница 89: ...logic PCB J726 Select GLOBAL in MENU MAP DETAIL CHART SELECT and ON in MAP DETAIL CHART respectively Is GPS WGS84 When GPS has output DTM sentence input MENU MAP EDIT USER DATUM LOCAL DTM and select MAP DTM LOCAL DTM Also select MAP OFFSET DTM When GPS has not output DTM sentence select MENU MAP OFFSET MAN Push MODE key a few times and select N UP RM for display Viewing the screen select a proper ...

Страница 90: ... set at OFF and RNG at 64NM in the below picture is AIS displayed No VDM sentence is wrong Check at AIS device side Yes No Yes Is x AIS BOARD Is x AIS DATA Is x SPD Is x LAT LON Is x COG SOG Check AIS connection No No No No No Yes Yes Yes Yes Yes Place the cursor on OFF and push ENT key Then does the display turn to ON No Note About self diagnosis When any setting is changed and AIS self diagnosis...

Страница 91: ...transmitter high voltage fuse F3 blown Check connecting cable between Display unit and Antenna Scanner unit No Yes Is 250 VDC J2 1 on modulator PCB normal Modulator PCB failure No Yes Is trigger signal TP2 on modulator PCB normal Modulator PCB failure No Yes Is there any abnormal sound from pulse transformer No transmission Yes No IF PCB failure MIC failure IF PCB or MIC failure No manual tuning I...

Страница 92: ...ilure Re initialize auto tuning function Auto tuning inoperable No Is auto tuning function operating normally End Fix error part of connection MIC failure Magnetron failure Logic PCB failure Is Error Antenna Magnetron current abnormal displayed Is MIC monitor terminal voltage within 30 to 70 mV range Is Video signal connection in the antenna connection cable normal No radar picture is displayed No...

Страница 93: ...play unit Fuse type and rating Application Type dimension mm Fuse characteristic Rating Main power Tubular φ6 4 x 30 Normal blow 15 A Modulator high voltage Tubular φ5 2 x 20 Normal blow 0 5 A Antenna drive motor Tubular φ5 2 x 20 Normal blow 5 A Fuse location Modulator high voltage Antenna drive motor Main power Zoom Figure 4 3 Fuse locations on display unit back panel ...

Страница 94: ...he battery runs low all initial settings must be re setup every time the power is turned on Exchange method of the internal battery is explained as below 1 Remove 10 fixed screws on the back side of the display unit 2 Remove the front panel from the main chassis by disconnecting the internal cable 3 Exchange the internal battery on the Logic PCB Battery type name CR2032 ...

Страница 95: ...mulation of dust 5 1 2 Annual inspection Inspect the Antenna motor brushes in the Scanner unit every 2 000 operating hours Replace with a new brush if the brush length is less than 6 mm 1 Remove the cover at the forward side of the Antenna unit by unscrewing the mounting screw The Antenna drive motor is located inside the lower side of the housing 2 Remove the old motor brush using the slotted scr...

Страница 96: ... Series 5 2 0092629012 07 Figure 5 2 Changing the motor brushes Internal structure of the antenna housing Turn the screw slowly to counterclockwise using a screwdriver to remove an old motor brush Motor Motor brush Motor Motor brush ...

Страница 97: ...ledged Alarm s description text Start of sentence Talker device Formatter BWC Bearing and distance to waypoint BWC xxxx xxx N S xxxxx xxx E W x x T x x M x x N xxx a hh CR LF Way point latitude N S This field is not used Bearing degrees true Distance nm xx xx 00 00 09 99nm xxx x 010 0 999 9nm Way point ID Mode indicator Check sum Start of sentence Talker device Formatter Way point longitude N S Be...

Страница 98: ... 0 fix not available or invalid 1 GPS SPS mode fix valid 2 DGPS SPS mode fix valid 3 8 Not accepted in These fields are not used Check sum Start of sentence Talker device Formatter Latitude N S Longitude N S x x a x x a x x a x x a x x a GLC Geographic position LORAN C GLC hh CR LF Check sum Start of sentence Talker device Formatter These fields are valid as far as the data are entered in 2 out of...

Страница 99: ...pted MTW Water temperature MTW x x C hh CR LF Temperature degrees C Check sum Start of sentence Talker device Formatter RMB Recommended minimum navigation information RMB A c c xxxx xxx N S xxxxx xxx E W xxx x xxx x a hh CR LF Destination waypoint latitude N S Bearing to destination degrees true Mode indicator Status A Data valid V Data invalid Destination waypoint ID Range of destination NM xx xx...

Страница 100: ... field is not used Status water speed A Data valid V Data invalid Longitudinal ground speed knots Transverse ground speed knots Status ground speed A Data valid V Data invalid These fields are not used VHW Water speed and heading VHW xx x N hh CR LF These fields are not used Speed knots Note 1 In case the speed data in knots is not available then the metric speed data fields will be recovered used...

Страница 101: ...Status A data valid V LORAN C cycle lock warning flag Magnitude of cross track error Units nautical miles Direction of steer L R ZDA Time and date Day 01 to 31 UTC UTC Month 01 to 12 UTC Year UTC Local zone hour Check sum State of sentence Talker device Formatter ZDA hhmmss ss xx xx xxxx xx xx hh CR LF Local zone hour VDM AIS other ship data AI VDM x x x x xxxxx xxxx N hh CR LF Total of sentence S...

Страница 102: ...e RTE Latitude longitude of destination of route WPL Water depth DPT DBT Water temperature MTW Geodetic system DTM Date time ZDA RMC GGA 6 2 Details of TT ARPA tracking data output Data standard name IEC61162 1 or IEC61162 2 Target data of the automatic tracking unit is provided via data connectors J4 J5 on the back panel TTD Tracked target data RA TTD hh hh x s s x hh CR LF Start of sentence Talk...

Страница 103: ...ottom tracking log M Manually entered W Water referenced R Radar tracking P Positioning system ground reference Check sum Start of sentence Talker device Formatter Heading status A data valid V data invalid Vessel course degrees true Course reference B M W R P Vessel speed Speed reference B M W R P Vessel set degrees true Vessel druft speed ACK Acknowledge alarm ACK xxx hh CR LF Start of sentence ...

Страница 104: ...Talker Standard type signal conforming to IEC 61162 1or IEC 61162 2 is transmittable Circuit configuration RS422 driver IC Type SN65HVD3085 TI J4 J5 J6 Pin number Signal name 1 Shield 2 OUT A 3 OUT B 4 IN A 5 IN B 6 Ground Input connector J4 J5 and J6 Connector used LTWD 06PMMP LC Connector acceptable LTWD 06BFFA L180 Serial data input circuit IN A IN B 330 Input data A Input data B Vcc TLP115A 33...

Страница 105: ... 200 Ω Vertical sync signal V SYNC 60 0Hz Negative 47 us TTL 200 Ω R G B Video signal Positive 0 7 V p p 75 Ω Pin number Signal name 1 RVD 2 R GND 3 GVD 4 G GND 5 BVD 6 B GND 7 H SYNC 8 V SYNC 9 BZ 10 BZ VDR External Alarm connector pin assignment Display unit upper view 1 2 3 4 5 6 7 8 9 10 VDR External Alarm connector pin assignment GND Ground RVD GVD BVD R G B Video signal Ground RVD GVD BVD GN...

Страница 106: ...Max contact voltage DC30 V Max contact current 1 A Alarm contact closed in case of failure When voltage is to be output at buzzer terminals remove the short circuited plug from short circuit connectors J738 and J739 on the logic board E59 700 in the display unit and insert them into J736 and J737 Then on board power supply voltage will be output as alarming voltage when an alarm is generated Short...

Страница 107: ...o IEC61162 2 is acceptable Input load 330 330 Ohm Circuit configuration Photo coupler Type TLP115A Toshiba Serial data output circuit Talker Standard signals conforming to IEC61162 2 can be output Circuit configuration RS422 Driver Receiver IC Type SN65HVD3085 TI Separated from ground level 1 2 3 4 7 8 5 6 J2 Data connector pin assignment Display unit upper view Note Pin 7 and pin 8 are used for e...

Страница 108: ... connector pin assignment Display unit upper view Gyro data connector Connector used LTWD 08PMMP LC Connector acceptable LTWBD 08BFFA L180 Serial data input Listener Standard signals conforming to IEC 61162 2 or IEC 61162 1 is acceptable Input load 330 330 Ohm Circuit configuration Photo coupler Type TLP115A Toshiba Serial data output circuit Talker Standard signals conforming to IEC 61162 2 or IE...

Страница 109: ... GL GLO Global Navigation Satellite System GN GNSS Integrated navigation system IN INS Loran C LC LOR Electronic Position Finding System SN EPFS True north tracking Gyro HE GYRO Non true north tracking Gyro HN GYRO Magnetic compass HC MAG Doppler Log and Generic Log VD DO LOG Electromagnetic Log VM LOG Mechanical Log VW LOG Other devices Display of talker device Notice The change between GPS and D...

Страница 110: ......

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