Japan Radio Co. JMA-1011 Field Service Manual Download | Manualshive

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Summary of Contents for JMA-1011

Page 1: ...MARINE RADAR EQUIPMENT RADAR1000MKff JMA 1011 FIELD SERVICE MANUAL JRC 3apan Radio Co lid CODE No 7ZPRD0594 ...

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Page 3: ...SECTION 1 SECTION 2 SECTION 3 SECTION 4 APPENDIX CONTENTS SPECIFICATIONS TECHNICAL DESCRIPTION TROUBLESHOOTING MAINTENANCE PARTS LIST MACHANICAL ASSEMBLY DRAWING SCHEMATIC DRAWING 1 34 ...

Page 4: ...ide lobes 6 Rotation 16 Nautical Miles Less than 25 m on the 0 125 NM range Number of Rings 2 2 2 3 6 6 6 6 4 Less than 25 m Range ring Interval NM 0 0625 0 125 0 25 0 25 0 25 0 5 1 0 2 0 4 0 Better than 0 9 of maximum Maximum range of the scale in use or 8 m whichever is the greater 1 degree LCD 115 x 86 4 mm 320 x 240 pixels 15 C to 55 C UP to 95 at 35 C l0 C to 50 C Except LCD 0 C to 50 C LCD N...

Page 5: ...ction with diode Limiter MIC frontend Center frequency 60 MHz Bandwidth 3 10 MHz Less than 10 dB Linear 187mm 83mm 183mm Approx 1 2 Kg Table Overhead or Flush mount 4 levels quantitized Auto Manual 360 scale graduated at intervals of 5 3 digit readout 3 digit readout Audible alarm with zone mark 1 4 radius Rotation period 10 20 or 30 scans Repetition period 3 5 10 15 min English French Spanish Ita...

Page 6: ...se components are all housed within the 12 2 radome The functional Block Diagram appears in Figure 2 2 2 1 RADIATOR The RF PCB radiator forms the main RF transmitting beam for the radar transmitter and becomes the receiving antenna during the receive cycle The beam formed by the patched array styled PCB at half power points is 7 horizontally and 30 vertically be direction of the beam maximum radia...

Page 7: ...al BZ is sent down to the bearing reset circuitry in the display unit and synchronizes the scanner position to the display sweep The BZ signal is sent down to the display together with the Tune indication signal at J2 6 2 3 TRANSMITTER The transmitter consists of the solid state modulator circuits the power supply and the 1 5kW magnetron A Modulator A solid state type pulsar design is used by the ...

Page 8: ...gle balanced mixer of the MIC The MIC Local Oscillator tuned by the adjustment of the operator s Tune control on the display unit front panel to be 60 MHz higher than the magnetron s operating frequency for maximum target detection is also fed into the single balanced mixer The single balanced mixer output of 60 MHz echo signals is then coupled into the 60 MHz IF amplifier RECEIVER CIRCUIT The Rec...

Page 9: ...indicator circuit consists of amplifier TR19 detector TR20 and emitter follower TR21 22 TR21 charges Cl10 to the detected signal voltage This voltage is sent to the display unit as a tuning indication voltage via buffer amplifier TR22 with bearing reset pulse The range of the tuning indication voltage varies normally between 5V detuned and 1V tuned in long pulse POWER SUPPLY The power supply conve...

Page 10: ...he video signals from CD2 and C14 are fed to an amplifier TRl and TRl output video signals are converted to digital pulses by 3 comparator ICs IC12 13 14 The digital video output is then sent to the system control LSI 1C6 2 4 5 SYSTEM CONTROL LSI The system control LSI 1C6 contains video processor video buffer memory scan converter PPI video memory control circuit various clock input and output ci...

Page 11: ...eatures The assigned priorities are set in this manner HEADING POSITION SPEED WAYPOINT 2 4 9 POWER SUPPLY 1 Flux Sensor NMEA 0183 HDM HDT HSC sentences 2 Navaid Data NMEA 0183 RMC RMA VTG sentences 1 Navaid Data NMEA 0183 RMC RMA GLL GTD sentences 1 Navaid Data NMEA 0183 RMC RMA VTG l7KW sentences 1 Navaid Data NMEA 0183 RMB Bl C sentences The Power Supply converts the 12V to the necessary DC volt...

Page 12: ...y to make the INITIAL SETTING and to re enter the parameters previously established by the operator CAUTION In making checks be alert to the high voltage points existing throughout the equipment 3 2 RESET This reset will clear the radar s memory except INITIAL SETTING This can be done by pressing the EBLNRM key and while holding then turning the power on This should be performed anytime a componen...

Page 13: ... 3 is the troubleshooting guide and check out procedure TABLE 3 4 shows typical voltages and remittances at significant points throughout the equipment The internal resistance of the tester used in measurements was 20k O VDC 8 k O VAC TABLE 3 2 OPERATION CHECK LIST Unit to be Check item Correct Remarks Measuring checked condition point Scanner a Input voltage 12V CMN 457 Unit Jl 1 2 b AVR output v...

Page 14: ... unit 4 No picture on the screen Fault of LCD display unit or its drive contact Check DISPLAY Fault of LCD drive contact Fault of video circuit Fault of power supply circuit 5 Range rings on the screen Fault circuit between IF amplifier of receiver unit and but no noise and no input circuit of display unit video amplifier echoes Check DISPLAY Fault of GAIN STC control contact Fault of receiver uni...

Page 15: ...SITY ADJ Fault of video amplifier contact on CMC 970 Fault of receiver unit 8 No VRM or VRM cannot Check DISPLAY be controlled Fault of CCK 773 Fault of main contact CMC 970 9 No EBL or EBL cannot be Check DISPLAY controlled Fault of CCK 773 Fault of main contact CMC 970 10 No alarm zone marker or Check DISPLAY no alarm sound Fault of CCK 773 Fault of main contact CMC 970 Fault of Buzzer BZl 13 34...

Page 16: ...asurements shall be made with the following display control conditions POWER switch ON RAIN CLUTTER min GAIN max SEA CLUTTER min Ship s power supply is DC 12V STC MIN FTC MIN TUNE CENTER GAIN MAX P S 12V DC TABLE 3 4 TYPICAL VOLTAGES AND RESISTANCES RADOME RADAR rRADAR 1000 MK Ill with Inter unit cable connected Measuring Resistance Voltage V Remarks Point 0 0 25 nm 1 5 nm 16 nm Jl 1 lM 10 71 10 6...

Page 17: ...0 2A Jl 3 12 12 12 l 00 TUNV 12 2 00 Tl GS 12 3 0 TIR 12 4 5M VD 12 5 0 VDR 12 6 200 BZ TUNI 12 7 00 PW DISPLAY UNIT Without Inter unit cable connected Measuring Point Resistance 0 Function Jl 1 00 lA Jl 2 2M 2A Jl 3 lOK PW Jl 4 55 VD Jl 5 0 VDR Jl 6 0 TIR GSR Jl 7 140 Tl GS Jl 8 32K BZ TUNI Jl 9 1 2K TUNV Jl 10 50 12 12 l 2M SHIP S MAIN 12 2 2M SHIP S MAIN 12 3 00 NAV 12 4 00 NAV 12 5 00 COMPASS ...

Page 18: ...splay unit Note that voltages from the rectifier unit are always present even if the radar is stopped 4 2 SCANNER UNIT When inspecting the scanner unit of the RADAR 1000 MK II be sure to turn off power to the display unit Keep watches or magnetic cards away from the modulator block as it contains a magnetron having a strong magnetic force 4 2 1 Radome Scanner Unit 1 Radome A radome surface contami...

Page 19: ...ZAA00033 105 Modulator Receiver PCB CMN 457 106 Motor Assy Ml0l 7BDRD0036B 105 Magnetron V201 5VMAA00073 105 SHM Switch 5KRAA00058 105 Display Unit NCD 3717A 107 Main Control PCB CMC 970 108 109 Control PCB CCK 773 110 LCD Module 107 Inter unit Cable CFQ 8768 15 15m CFQ 8571 10 10m Option Console Mounting Screw MPTG30380 17 34 ...

Page 20: ...B MTD300768 5 4 Tapping Screw 2 6 x 8 BRTG02286 6 Main Shaft Parts MPGK30454 6 1 Main Shaft MTC300593 6 2 Spur Gear MTV301808 6 3 Spacer MTL307435 6 4 Bearing Holding Board MTD300782 6 5 Bearing BRGKOS206 6 6 Magnet 5MPAB00001 6 7 Sems Screw 4 x 12 Steel BSNC04012B 6 8 Snap Ring E type ER6 BSER06000S 7 Motor 7BDRD0036B 8 MIC 5EZAA00031 9 Diode Limiter 5EZAA00033 10 Magnetron 5VMAA00073 11 Read swi...

Page 21: ...s Screw C Type 4 x 35 BSNC04035B 26 Sems Screw C Type 4 x 8 BSNC04008B 27 Sems Screw C type 3 x 12 BSNC03012B 28 Screw With Flange BRTG06040 29 Sems Screw C Type 3 x 6 BSNC03006S 30 Snap Ring E type BSER04000S 31 Spring Lock Washer BSSW04000S 32 Spring Lock Washer BSSW03000S 33 Nut BSLW03000S 34 Nut BSLN03000B 35 Screw BSNK03012B 36 Fan 19 34 ...

Page 22: ...12 r 1 6 1 j 6 I 6 6 e I I 6 2 I 6 7 1 i 2 L 6 4 1 6 5 I 30 I e 6 3 20 S 6 5 33 r 1 Lt _ a 32 I ______ 2 3 20 34 31 _____ NKE 1053 ...

Page 23: ...30171 9 Cap MPPK30372 10 Packing MTT304002 11 Waterproof Sheet MPXP30307 12 Cover MTV303727 13 Hook Board MTV303728 14 PCB CMC 970 15 PCB CCK 773 16 LCD Module 17 Tapping Screw 3 x 12 BS BRTG03233 18 Tapping Screw 3 x 8 BS BRTG02970 19 Tapping Screw 3 x 16 SUS BRTG04818 20 Tapping Screw 4 x 8 SUS BRTG05965 21 Screw M4 x 8 SW W SUS BSNC04008B 22 Rubber Washer MTT301458A 23 Sun Cover MTV303722 24 Br...

Page 24: ...22 34 I l M I 0 0 z ...

Page 25: ... SCANNER UNIT NKE 1053 INTERCONNECTION DIAGRAM OF RADAR 1000 MK II INTERNAL CONNECTIONS OF SCANNER UNIT NKE 1053 CIRCUIT DRAWING OF MODULATOR RECEIVER CMN 457 INTERNAL CONNECTIONS OF DISPLAY UNIT NCD 3717A CIRCUIT DRAWING OF MAIN CONTROL UNIT CMC 970 1 2 CIRCUIT DRAWING OF MAIN CONTROL UNIT CMC 970 2 2 CIRCUIT DRAWING OF CONTROL UNIT CCK 773 RADAR 1000 MK II RADOME TEMPLATE RADAR 1000 MK II DISPLA...

Page 26: ...tion 20m CFQ8768 20 option IE 187 1 1 D D e _____ e 11 Ii FORWARD l I I ZSJIJ CABLE INLET 4 M6 22mm DEEP m O l e l CONNECTORS X C I I t SHIP S MAINS tr 4 5 5 l_ _______J MOUNTING DIMENSIONS POWER CABLE CFO 8572 CUN IT mmJ C 1 mm 1 25 4i nch J Fig 101 General System Diagram 24 34 ...

Page 27: ...Approx 1 2kg _ 83 124 5 UNIT mm 1 mm 1125 4inch Fig 102 Display Mounting Dimensions _ J I COLOR WHITE MASS Approx 4kg CJ CJ J M6 4 PLACES 22mm DEEP FORE CABLE INLET CJ O UN IT mm 1 mm 1 25 4inch Fig 103 Scanner Mounting Dimensions 25 34 ...

Page 28: ...AV AID GRN SCANNER UNIT NKE 1053 COMPASS BLU s COMPASS WHI D 1 1 E j Pl 0 N s FT 1 IA s J D T BLU 2A j Pl T 0 12V 0 IA T RED s 2A T BLU ti PW GRN i I I P2 p VD COAX YEL TUNV TQ 1 1 VDR TI GS p TIR GSR SHLD TIR GSR a TI GS VD BZ YUNI WHI SHLD VDR YUNV ____j WHI BZ fUNI 12V T O GRN PW CFQ 8768 15 15m CFQ 8571 l0 l0m CFQ 8768 20 20m option ...

Page 29: ...I R 0 Vt O VOR O Bz TUIJl 0 rw 7 C v N 4S7 I L _____ _ 7 I HOl REC r C 1 H 7PCRD1426D r I I _I E OI fJJTl9 l 1c ll t I i 0 11 rn r r r r IS JD 1 12v i fi A f lV A 11v 13 JJ I 6 T4 I s 52 l J7 l f10 J CML 540 7 PIO I YEL I BLK I RED I BLU 1 WHT I ORG I I PIO 2 1 BLK BLK I MTIDI y SJ 1 Ft14 x4 xl I SIDI NR lof b I I J 70 BIOi 04tDN 2V H10 f 78DR 000 6 ...

Page 30: ...Cl350 N lC 0 1 1C13S0 J C 1 ANl132 _ Ri 622i p q 20 _ R tt4 R tOS r 1 L t 0 3 _T q f 2 _ i _ 1 ft _ h Y4 w _ v v_ I R 1 v fK l d C l il2 7 rw l 23 Clb a l JCS 030 l AP r L T7 cir II 1 HOI 1Y 1 1 C H 7J C i 2 b f o i u 4 1 Fig 106 CMN 457 Modulator Receiver 02 r7 ...

Page 31: ...l1At CoAfTR OL 7 f tJ B T Z I T T I T V4 tl J I 2 p TT fJ sq N fl 2 J t A A W IJ ITY J 2 f 0000000000 ooooooo tJ I 7 Fig 107 NCD 3717A Display Unit Internal Connection 29 34 JTROL CCl 773 ...

Page 32: ...SrFi _ J VT 2 _______ ICJ O d c C I 0 1 JJ 1 riorJ JCl 2 11 A 1 t 1M RP d rCd Jf t r I L 1I J fl21 JCi I RJ T P It P P JCf 4 7 T I R 2 I j J II I j JT IC 17 JC f u 2l fH C 11 rA NK Mq t r d 4 z ik lf c j n wv i t V fJ Bt JJ c j l fin 1171 IC 7 S T u r TCf 1h C 1 P I I JC I JN f 01 AT J r J Rr j 5 TCI J I Vv v I 1 6T I I IY i TVtJ 2 TI JCd f 6 ar R f 7tf CJ J I R 1 d 6 tJ Cz9Z7 i f i t 64 l iµ Cf J...

Page 33: ...If J 1 8f7M f i 6RDI qu 1 c HA 1151 1 C JttiA MSk b PH 7 41 Cfl2 tlp H J TT eyf jJIJk BLC 1f SJ ANO A 2 1 NII tLC 12V l ffi Jl f ZY C Jf C 11 I tJ j J ii Cl tJ r J C u rC I SI 4 IC 1 W J r J C lt J Cl t 2 v c Jdi rr l3Y I fl 2A h HT x HJT EJ CA ft rJT Y C B WAl J T f pf J iC P 7 1 411 2 M_ f fv r L6 4 j_ L 8Ck C P I 1LC86 I tl 9 1 2 iLN JJtJ JC 5 r jZ L 2 8 JHt1J 4 f a 1 9 6 2 T U 1 f f J l f fi l...

Page 34: ...1 Ii r J l r 1 lr _ _ J_____________J r l 32 34 i f 0 l i 0 u f c c I u u 0 I I bl µ ...

Page 35: ......

Page 36: ...hi Nishi Shinjuku bldg 10 1 Nishi Shinjuku 6 chome Shinjuku ku Tokyo 160 8328 JAPAN Phone 81 3 3348 0151 Fax 81 3 3348 3648 MAIN PLANT 1 1 Shimorenjaku 5 chome Mitaka shi Tokyo 181 8510 JAPAN Phone 81 422 45 9111 Fax 81 422 45 9110 JRC 3apanRadkJCo fld Since 1915 ...

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