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Furuno FR-2155 Service Manual

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See also: Operator's Manual , Installation Manual
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MARINE RADAR
FR-2155
MODEL
PRINTED IN JAPAN

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Summary of Contents for Furuno FR-2155

  • Page 1 Back MARINE RADAR FR-2155 MODEL PRINTED IN JAPAN...
  • Page 2 Y o u r L o c a l A g e n t / D e a l e r 9 - 5 2 , A s h i h a r a - c h o , N i s h i n o m i y a , J a p a n T e l e p h o n e : 0 7 9 8 - 6 5 - 2 1 1 1 T e l e f a x :...

  • Page 6: Table Of Contents

    CONTENTS Chapter1. GENERAL 1.1Outline ..................... 1-1 1.2 Boards & Major Components ............1-2 1.3 Specifications .................. 1-4 Chapter 2. BLOCK DESCRIPTION 2.1 Overview..................2-1 2.2 Block Diagram of Display Unit ............2-2 2.3 Function of Each Board (Display Unit)..........2-4 2.4 Start-up Sequence................
  • Page 7 CONTENTS 2.29 Scanner Unit ................2-31 2.30 Block Diagram of IF AMP Board (03P6734) ......2-32 2.31 Block Diagram of IF MD Board (03P6666) ......2-33 2.32 Block Diagram of PF Board (03P6668/03P6669) ......2-35 2.33 BEARING SIG GEN Board (MP-3795)........2-38 2.34 Power Supply Unit (PSU-001) ..........2-39 2.35 TX-HV Power Supply (03P6680/03P6810).......2-40 2.36 Power Supply (03P6667)............2-41 2.34 Power Supply Unit (PSU-004) ..........2-42...
  • Page 8 CONTENTS Location of parts on PFN (2) board (03P6669) ........3-25 Chapter 4. MAINTENANCE 4.1 Dip Switches ................... 4-2 4.2 Jumper Settings ................4-3 4.3 LED Status ..................4-3 4.4 Self-test ..................4-7 4.5 Notice on Replacing Major Parts ............. 4-9 4.6 Program Numbers................

  • Page 9: Chapter1. General

    • Radar mapping capability (Lines and Marks can be entered without the RP board, Gyro and L/L data required) • Display unit separable into Monitor, Control and Processor Units The figure shows the major configuration of FR-2155. SCANNER UNIT XN-4A/XN-5A...

  • Page 10: Boards & Major Components

    1.2 Boards & Major Components DISPLAY UNIT Board Name Type SPU Board 03P9253 PTU (PWR) Board AC : 03P9245 FILTER Board AC : LF-210 PANEL Board (in control head) 03P9255 PAL Board (in control head) 03P9254 PAR Board (in control head) 03P9256 INT Board 03P9252...

  • Page 11: Scanner Unit

    Power Supply Unit (PSU-004) Type Board Name RELAY Board 03P9146 SCANNER UNIT Board Name Type IF AMP Board 03P6734 C MODULATOR Board 03P6666 C PFN (1) Board 03P6668 PFN (2) Board 03P6669 B BEARING SIG GEN Board MP-3795 Magnetron M-4505 E INT Board 03P9004 Magnetron Current DET Board...

  • Page 12: Specifications

    1.3 Specifications SCANNER UNIT ITEM FR-2155 Radiator Type Slotted Waveguide Array Radiator Length 8 ft (XN-4A), 10 ft (XN5A) Horizontal Beamwidth 0.95 deg. (XN4A), 0.75 deg.(XN5A) Vertical Beamwidth 20 deg. (XN4A, XN5A) Within +10 deg. to –10 deg. –28dB or less (XN4A, XN5A)

  • Page 13: Display Unit

    DISPLAY UNIT ITEM FR-2155 Picture Tube PPI (Raster scan, Daylight display) Range Scale (nm) 0.125 0.25 0.75 Range Ring lnterval 0.025 0.05 0.25 0.25 Number of Rings Bearing Resolution 1.18 deg. (XN4A), 0.98 deg. (XN5A) Range Discrimination Better than 31 m Bearing Accuracy +1 deg to –1 deg.
  • Page 14 ENVIRONMENTAL CONDITIONS ITEM FR-2155 Scanner Unit – 25 deg. to +70 deg. Ambient Temperature Display Unit – 15 deg. to +55 deg. Humidity Relative humidity 95% or less at +40 deg. Vibration IEC 945, Edition 3 POWER SUPPLY & POWER CONSUMPTION...

  • Page 15: Chapter 2. Block Description

    Chapter 2. BLOCK DESCRIPTION 2.1 Overview Outline Scanner Unit Display Unit Antenna ARP Board TTM Data (optinal) Transceiver Mag. GYRO/SPEED HD, BP, (NMEA or Log) TRIGGER, VIDEO Mod. RP Board HD, BP Data Processor (SPU Board) (Optional) Video Trigger Power Panel Mag.
  • Page 16 The 9.4 GHz echo signal received by the antenna is converted to 60 MHz signal by the MIC, amplified by IF Amplifier, and fed to the SPU (Processor) Board as a video signal. It is digitally processed and then displayed on the CRT. The SPU Board contains a video amplifier. Auto Plotter (optional) The following signals are applied from the SPU Board to the ARP-26 Board: Heading, Bearing pulse, Video, Trigger, Bearing in AD format, and Ship’s speed in IEC-61162.

  • Page 17: Block Diagram Of Display Unit

    2.2 Block Diagram of Display Unit To degauso coil MOTHER MOTHER INT Board(03P9252) SPU Board(03P9253) H SYNC(64 kHz), Board Board Color palette V SYNC(60 Hz), (03P9251) D/A CONV. DOT CLK(108.5 MHz) P.F. Signal from PWR Board (03P9251) Selection SW Buffer (Menu-Selection) RP Board(14P0298) Scanner Unit...

  • Page 18: Function Of Each Board (Display Unit)

    2.3 Function of Each Board (Display Unit) Board Name Function 1) Contains a video amplitier circuit. (a) Applies GAIN, STC, FTC and IR to video signal and outputs to the A/D converter. (b) Adjusts video signal input level (adjusted by pot. VR140). (c) Changes STC curve according to the antenna height set on the Radar menu.
  • Page 19 Board Name Function 1) Outputs encoded data of EBL, VRM and trackball signals. 2) Includes GAIN, STC, FTC, and BRIL volumes. PNL Board 03P9255 3) Includes EBL ON/OFF, VRM ON/OFF, FUNC 1/2/3/4, and Range +/- keys. 4) Reads PAL/PAR board status. 1) Includes ANT ON/OFF, Performance monitor ON/OFF, and degauss switches.

  • Page 20: Start-Up Sequence

    2.4 Start-up Sequence Radar start-up sequence Elapsed CRT display or internal operation time Process Power ON 1. The soft start circuit activates to protect the power ON/OFF All power lines are relay contacts. 2. The input voltage monitor checks for abnormal voltage. When ship’s mains is abnormal the ON/OFF relay trips off.
  • Page 21 ARPA start-up sequence Power ON * A reset pulse is generated when +5 V line drops to about 4.2 V. (03P9253) ARPA(18P9002) RADAR Initializes NAIN CPU. Initializes DSP. Initializes SPU Board. CR17 on pcb Communicate with Initializes DSP RAM 18P9002 blinks DPRAM on ARPA (between DSP and every two seconds.

  • Page 22: Block Diagram Of Spu Board

    2.5 Block Diagram of SPU Board Max. brilliance: 0.7 Vpp P551 4 Vpp TP4(VIDEO) U72:VlEVEL 0 U73:VlEVEL 2 From RP-26 Video Trigger Gen. U74:VlEVEL 4 (Video) Even Echo Selector U75:VlEVEL 6 µs VIDEO Handling Signal U76:VlEVEL 8 U77:VlEVEL 10 Processing, R134 Video Amplifier Echo Video...

  • Page 23: Video Signal Flow

    Slave display R134 about 4Vpp P417 Q8,9 RF VIDEO SPU Board MOTHER Board 03P9251 TP12 03P9253 about J551 J414 P551 4Vpp IF IN P551 Video Amp. (GAIN,A/C SEA, ARP Board R140 and A/C RAIN Adjustment) FR-2155-SMJ10E Figure 2.4 Video Signal...

  • Page 24: Block Diagram Of Spu Board (Video Amplifier)

    2.7 Block Diagram of SPU Board (Video Amplifier) about 4 Vpp VIDEO IN Buffer A/C AUTO : OFF R140 about 4 Vpp VIDEO about 4.2 Vpp (Adjust by R140) (To ARPA Board:P551 A18) A/C AUTO : ON TP11 TP12 about 4.0 Vpp Video Inverter...

  • Page 25: Auto Tuning Function

    2.8 Auto Tuning Function 7KH V\VWHP SURYLGHV DXWR WXQLQJ PRGH ZKL.K HOLPLQDWHV WKH DGMXVWPHQW RI WKH UH.HLYHU IRU PD[LPXPH.KRHV7KH³7XQH,QLWLDOL]DWLRQ´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

  • Page 26: Tuning Indication

    2.9 Tuning Indication The tuning indicator extends more than 80% of its full length on all ranges at best tuning. The self-test result display reads the tune indicator voltage. 2.10 Manual Tuning When tuning mode is changed from auto to manual mode, the tuning control voltage (a) found in full search is selected.

  • Page 27: Echo Averaging (Eav 1/2/3)

    2.12 Echo averaging (EAV 1/2/3) Remarks on the echo-averaging feature Echo averaging is a useful feature when used properly. If used improperly, however, the result could be disastrous. Objective and principle of echo averaging The main objective of echo averaging is to discriminate targets (flocks of birds, other ships, fishing floats, etc.) hidden in sea clutter, and stably display long range targets (ship, buoy, island, etc.) which alternately appear and disappear on the screen.

  • Page 28: Echo Stretch 1/2 And Enhanced Video

    2.13 Echo Stretch 1/2 and Enhanced video 1. Echo stretch 1: Enlarges the echo in bearing direction. The same echo appears on the next sweep. 2. Echo stretch 2: Enlarges the echo in range direction. The signal is integrated in the video amplifier.

  • Page 29: Memories & Memory Frame Priority

    2.14 Memories & Memory Frame Priority Memory capacity is 2048x2048 dots, radar display area is 1280x1024 dots, and radius of echo display area is 360 dots. 2048 dots 1280 dots 360 dots 1024 dots 2048 dots FR-2115-SME-28 Figure 2.10 Memory Capacity and Display Area U24,U26,U28,U29,U30 (5 frames) Radar echo Each 3/4 of U8 and U9 (3 frames)

  • Page 30: Antenna On/Off Control

    2.15 Antenna Control Signal The SPU board generates antenna on/off signal when the TX key is pressed. The service switch S801 on the scanner unit and antenna switch on the PAL board also turn on/off the antenna. The figure below shows the flow of the antenna control signal which turns on/off the relay in the PSU-004.

  • Page 31: Check Of Arp And Rp Board Connection

    2.16 Check of ARP and RP board Connection The system checks the connection of the ARP and RP board every power on. If the CPU on the SPU board fails to communicate with the ARPA or RP board, the related display does not appear on the screen, but also the ARP and/or RP line is not displayed on the self-test result display.

  • Page 32: Simple Arpa Block Diagram

    2.18 Simple ARPA block diagram Speed Log ARPA Board RADAR RADAR Gyrocompass (Contact signal, Nav data, (TRIG HD BP) (VIDEO) (25 msec AD format) Manual speed input) A/D conversion of input Interface for detecting amount Echo position data analog video signal of position change detector processed with...

  • Page 33: Arpa Block Diagram

    2.19 ARPA block diagram TP12 +12 V TP11 Noise blanker -12 V TRIG TP10 +5 V PLL VCO FIFO VIDEO A/D Converter TP6 TP7 R103 R104 (MAX) (MAX) Video CR32 signal Comparator check Video TP9(QV monitor) TRIG Sweep Check Velocity QV output Converter check...

  • Page 34: Arpa Target Acquisition And Tracking

    2.20 ARPA target acquisition and Tracking 4. Conditions for manual acquisition The target can be acquired manually under the following conditions. 1) An echo from target must be received for three consecutive sweeps and scans within the acquisition area. 2) The target echo must be smaller than the and echo data (at the front end processor). 3) A target must be within the acquisition area : 0.2 to 32 nm.

  • Page 35: Arpa Initial Setting Menu

    2.22 ARPA INITIAL SETTING MENU Accessing Menu for ARPA Initialization. Press the [RADAR MENU] key five times while pressing and holding down the [HL KEY] key. ARPA INITIAL SETTING Menu (Keying sequence : [PLOT MENU] [0] [0]) [ARPA INITIAL SETTING] 1.
  • Page 36 TARGET OUTPUT DATA Output setting of “RATTM” data, output by J454 on the INT Board. : “RATTM” data not output. : “RATTM” data output. Target course shown in relative bearing. TRUE : “RATTM” data output. Target course shown in true bearing. DISP CPA,TCPA Selects wether CPA and TCPA are displayed or not on the screen.
  • Page 37 CPU2 STATUS = 0000 ..Shows CPU2 status. “0” if normal. LOG SENSOR ....Log sensor type. EXT SPEED ...... IEC-61162 serial speed data being received; VTG/VHW/VBW If no serial data, xxx.x appears. EXT COURSE ....IEC-61162 serial bearing data being received; VTG/VHW/VBW When speed data is being fed from a speed log or entered manually, the course data in VHW is used.

  • Page 38: Block Diagram Of Rp Board

    2.23 Block Diagram of RP Board The RP System program is stored on the flash POM, U3 and the program update is performed by using the program card. The card must be inserted into the upper slot. The CR1 on the RP board lights when the program is replaced with new one. RP marks are generated in the following VRAMs or frames on the RP board respectively, and sent to the SPU board.

  • Page 39: Input/Output Data On Int Board (03P9252)

    2.24 INPUT/OUTPUT Data on INT Board (03P9252) Port Name Equipment I; input, Signal Name Signal Format Remarks Connectable O: output Timing between TRU-TRIG and J442 (O) TRUE-TRIG, VIDEO Radars having Slave display VIDEO adjusted, HD adjusted, ,TRU-HD, BP slave func-tion J443 (O) BP:360 pulse/rotation.

  • Page 40: Sentences Receivable At J450 On Int-9170

    2.25 Sentences Receivable at J450 on INT-9170 Data to be displayed O S & RNG & Water W a t e r Water Date & ARP-26 ARP-26 Sentence Cursor BRG to Temp. Depth Time External Current Position 2-26...

  • Page 41: Radar And Arpa Output Signal From Int-9170

    2.26 Radar and ARPA output signal from INT-9170 (J442, J443 and J444) (Waveform) TRIG Signal (TRIG) 12 V • Polarity/Voltage : Positive, +12 V J444 For ARPA • Pulselength : 4 µs (J444) 5 to 10 µs (J442/J443) 5 to 10 12 V J442/443 For radar slave...

  • Page 42: Monitor Signal From J449

    2.27 Monitor signal from J449 (requires buffer circuit) 1. CRT required (non-interlace) 370 mm(1280 dots) 275 mm 295 mm (720 dots) (1024 dots) 2. Video signal H - sync signal 63.974 kHz (15.63 us), 1696 dots 1.18 us,128 dots 0.59 us, 64 dots 11.80 us,1280 dots 2.06 us, 224 dots Video signal...

  • Page 43: Power Supply Circuit (Ac)

    2.28 Power Supply Circuit (AC) AC PWR Board (03P9245) The PWR board contains a main-inverter, a sub-inverter, and protectors. The main-inverter produces +24 V and +32 V (for scanner motor), while the sub-inverter produces –12 V, +12 V, +32 V, and +140 V from +24 V, output of the main-inverter. +5 V is generated by chopping +24V.
  • Page 44 2-30...

  • Page 45: Scanner Unit

    2.29 Scanner Unit L801 PFN(2) Board (03P6669 B) Charge Radiator TX-HV (From PSU-001) discharge BEARING SIG. CR813 PFN (1) Board GEN. Board K801 K802 K803 (03P6668) Pulse Transe (M1) (M2) MP-3795 T801 CR814 Magnetron Circulator Photo-Interrrupter M4505E RC-3686H Timing Disk CR815 U901 V1 (Over shoot)

  • Page 46: Block Diagram Of If Amp Board (03P6734)

    2.30 Block Diagram of IF AMP Board (03P6734) The 60 MHz IF signal from the MIC is amplified in logarithm and converted to a video signal, which is delivered to the display unit. 2-32...

  • Page 47: Block Diagram Of If Md Board (03P6666)

    2.31 Block Diagram of MD Board (03P6666) The MODULATOR TRIGGER Board PFN(1) (03P6668), generates pulses that fire the modula- tor SCRs (CR813/CR814/CR815). U851, U852, U853 Q850, U850(1/2), U850(2/2), Q854, C866, R865, Q853 Figure 2.15 MODULATOR TRIGGER Board (03P6666) Normally the circuit is stable with Q850/Q853 off. Q850 turns on upon receiving the TX trigger from the display unit and generates a negative going pulses at its collector.
  • Page 48 The circuit made up of U850 (2/2) prevents the modulator from being fired by noise. The first stage of the one-shot multivibrator U850 (1/2) operates immediately after the TX trigger pulse, and next the second stage U850 (2/2). The output (#9) of U850 (2/2) is applied to the reset ter- minal (#3) of the first stages of U850 (1/2).

  • Page 49: Block Diagram Of Pf Board (03P6668/03P6669)

    2.32 Block Diagram of PF Board (03P6668/03P6669) The PFN (1)/(2) Boards produce a narrow high tension pulse that drives the magnetron. It is composed of a line-type-pulser. C814~C824 L801 L802 CR801 L811 CR815, CR814, CR813 T801 Figure 2.17 PFN (1)/(2) Board Choke coil L801 forms a series resonant circuit with the pulse forming network (PFN) consisting of C814 thru C824 and L811.
  • Page 50 Holding time Holding time Voltage Pulse √ × t=2N Trigger Trigger Time Figure 2.18 Changing the PFN Switching coil L802 conducts after CR813 to CR815 become on completely, in order to mini- mize wasted heat energy. CR816/CR817/CR818 and R816/R817/R818 absorb the counter elec- tromotive force developed at the moment CR813/CR814/CR815 are turned off, protecting CR813/CR814/CR815 from damage.
  • Page 51 The circulator HY801 is a passive directional coupler with three ports. It contains a permanent and a core of ferrite material and bends the electromagnetic wave in a specific direction. In the Figure 2.20, the microwave energy produced by the magnetron enters the circulator from port 2. It is bent in the specific direction and emerges from port 3 with little loss, port 1 being isolated.

  • Page 52: Bearing Sig Gen Board (Mp-3795)

    2.33 BEARING SIG GEN Board The bearing signal generator produces a square wave signal which performs the X-Y coordinate conversion in the display (processor) unit. BEARING SIG GEN Board (MP-3795) P901 J901 R902 +12 V R911 to R914 HD FL R901 U901 R906...

  • Page 53: Power Supply Unit (Psu-001)

    2.34 Power Supply Unit (PSU-001) When the power switch on the display unit is turned on, 100/110/115 Vac is supplied from the PSU-004 to PSU-001. Tap-selection on the transformer T804 is required depending on ship’s mains. For the ship’s mains of 220/230 Vac, the transformer RU-1758 is required between the PSU-004 and the PSU-001.

  • Page 54: Tx-Hv Power Supply (03P6680/03P6810)

    2.35 TX-HV Power Supply Board (03P6680/03P6810) 03P6680 board contains voltage comparator U51, switching regulator U55/U52 and succeeding driver/power transistors Q53 thru Q56. The switching regulator oscillated at 18 kHz. The fre- quency is adjusted By VR51. The oscillated voltage is amplified and applied to the stack rectifier on the 03P6810 Board through power transformer T55.

  • Page 55: Power Supply (03P6667)

    2.36 Power Supply Board (03P6667) This board produces +12 V, -12 V and magnetron heater voltage. U1 is a voltage comparator and U3 is a switching regulator oscillating at 90 kHz. U3, Q3 and CR7 compose voltage adjuster for the +12 V line. 2-41...

  • Page 56: Power Supply Unit (Psu-004)

    2.37 Power Supply Unit (PSU-004) With the power switch on the display unit turned on, +12 V is applied from the display unit to the power supply unit PSU-004 to turn on the relay K3. Ship’s mains is supplied to the tran- sceiver in the scanner unit with the relay K3 on.

  • Page 57: Chapter 3. Adjustment

    Chapter 3. ADJUSTMENT Hazardous Voltage This equipment uses high voltage electricity which can SHOCK, BURN or cause DEATH. Always make sure the electrical power is turned off before attempting to change a component or inspecting the inside of the equipment. A residual charge may exist in capacitors, even with the equipment turned off.

  • Page 58: Adjustment (Display Unit)

    3.1 Adjustment (Display Unit) Location of Major parts Figure 3.1 Display Unit, front view Control panel Handle Stay Display pedestal This cover is removed to gain access to SPU, ARP, and RP Boards. Figure 3.2 Display Unit, inside view...
  • Page 59 Mother Board (03P9251) DTB-2 (T.B.) GC-8 Board (64P1106) INT Board (03P9252) RP Board (14P0298) ARP Board (18P9002B) SPU Board Figure 3.3 Display pedestal, cover removed (03P9253) SPU Board RF Video Video Level Level Adjuster : adjustor : R140 Fuse for P.M. External (F402 : 0.5 A) Video Level...
  • Page 60 PTU Board (03P9245) Shield cover removed Figure 3.5 Display Unit, top view, drawing forward Power Switch for Maintenance Fuse (F1) Fuse (F2) Figure 3.6 Display pedestal, for side, shield cover removed...

  • Page 61: Adjustment Of Crt

    Adjustment of CRT VIDEO Board IF3-A10 Board (PBH173) (UBH188) SCREEN FOCUS HV ADJ SOCKET Board (UBH182) CRT ADJ Board (PBH132-1) DEGAUSS Board (PDM9025) MAIN Board INT Board (PBH172-0) PBH183-0 HPOSI Under the cover Figure 3.7 Display Unit, top view, cover removed The CRT is adjusted by pressing the buttons on the CRT ADJ Board.
  • Page 62 2) Display Size Press the MENU button on the CRT ADJ Board, PBH132-1 and the following menu will appear on the screen. Steps Ratings 1) Set the radar to TX. 1) Radar display area must be 2) Select the background color to blue : 280 3 mm.

  • Page 63: Location Of Parts On Spu Board (03P9253)

    Location of parts on SPU Board (03P9253) TP1 CR8 CR7 CR6 CR5 CR4 CR3 CR2 CR1 TP11 TP13 TP12 TP8 TP7 R140 TP4 TP3 TP2 Test points and Ratings TP No. Signal Rating Condition (except for maximum range) TUNE IND Approx.

  • Page 64: Location Of Parts On Arp Board (18P9002)

    Location of Parts on ARP Board (18P9002) R103 CR14 CR13 CR16 CR15 CR12 CR11 CR10 CR9 CR17 CR1 R104 (U64) ROM (U3) JP11 TP11 TP12 TP10 TP4 TP3 TP2 ROM (U40) Test points and Ratings Signal Rating Condition VIDEO Approx. 5 Vpp (main bang level) BP INPUT Approx.

  • Page 65: Location Of Parts On Rp Board (14P0298)

    Location of Parts on RP Board (14P0298) Battery (BT1) Flash ROM (U3)

  • Page 66: Location Of Parts On Int Board (03P9252)

    Location of Parts INT Board (03P9252) J450 J445 J457 J454 J442 J448 J469 J455 J458 J446 J468 J443 J466 J453 J467 J444 J462 J451 J445 J463 J471 J456 J465 R151 R153 TP4 J452 TP5 R134 Test points and Ratings TP No. Signal Rating Condition...

  • Page 67: Location Of Parts On Gyro Board (64P1106)

    Location of Parts on GYRO Board (64P1106) CR21 CR22 Test points and Ratings TP No. Signal Rating Condition +5 V 5.19 to 5.21 VDC, adjusted by R42 3-11...
  • Page 68 Location of Parts on PTU Board, for AC set (03P9245) CR12 CR11 JP3 JP91 VR91 JP92 J105 VR51 J104 VR71 J103 Test points and Ratings TP No. Signal Rating Condition J104 +140 V 138 to 142 VDC, adjusted by VR51 # 1(+) &...

  • Page 69: Location Of Parts On Power Supply Unit (Psu-001)

    Location of Part s on Power Supply Unit (PSU-001) TX-HV POWER SUPPLY (2) 03P6680 TX-HV POWER SUPPLY (1) 03P6810 Transformer T804 POWER SUPPLY 03P6667 CHECK METER FAN MOTOR B801 De-icer Power SW RELAY BOARD S801 03P9003 R813 HOUR METER PTB-2 Fuse F801 (5A) Fuse...

  • Page 70: Location Of Parts On Power Supply Board (03P6667)

    Location of Parts on Power Supply Board (03P6667) Test point and Ratings TP No. Signal Rating Condition J2 #1(+12 V) +12 V 11.9 to 12.1 V, adjusted by VR1 #3(GND) J2 #2(-12 V) -12 V -11.7 to -12.3 V #3(GND) ST-BY, 0.25NM +24 V 20 to 42 V...

  • Page 71: Location Of Parts On Int Board (03P9003)

    Location of Parts on INT Board (03P9003) PTB-2 Test point and Ratings TP No. Signal Rating Condition PTB-2 #7(+) ST-BY, 0.25NM HEATER 8.2 to 8.8 V, adjusted by R813 #8(-) R813 3-15...

  • Page 72: Location Of Parts On Tx-Hv Power Supply Board (1)(03P6810)

    Location of Parts on TX-HV Power Supply Board (1) (03P6810) Test point and Ratings TP No. Signal Rating Condition #1(+) TX, 48NM TX-HV 780 to 800 VDC #2(-) Rating for Check Meter (TX-HV): 0.55 to 0.75 3-16...

  • Page 73: Location Of Parts On Tx-Hv Power Supply Board (2)(03P6680)

    Location of Parts on TX-HV Power Supply Board (2) (03P6680) TP61 TP60 TP59 TP58 TP56 TP57 TP53 TP54 TP55 VR52 TP51 VR53 VR51 TP52 Test point and Ratings TP No. Signal Rating Condition TP51 (+) +12 V 10.8 to 13.2 V TP52 (-) TP53 (+) 54 to 57 s(17.5 to 18.5 kHz)

  • Page 74: Location Of Parts On Power Supply Unit (Psu-004)

    Location of Parts on Power Supply Unit (PSU-004) Fuse Fuse F2 (10A) F1 (10A) Fuse F3 (2A) PTB-14 THERMAL RELAY PTB-11 RELAY (Under Side) RELAY Board 03P9146 PTB-13 RELAY PTB-12 3-18...

  • Page 75: Adjustment (Scanner Unit)

    3.2 Adjustment (Scanner Unit) Location of Parts on Scanner Unit (RSB-0049/0050) ANT SW Bearing SIG GEN Board (MP-3795) De-icer sensor STB-3 Clamping gland STB-1 STB-2 Scanner Unit, side view, cover removed RF Unit (RTR-030) R812 R811 Scanner Unit, stern side, cover removed Reed switch Scanner Motor Scanner Unit, stern side, cover and RF Unit removed...

  • Page 76: Location Of Parts On Rf Unit (Rtr-030)

    Location of Parts on RF Unit (RTR-030) Pulse Transformer (RT-9028) Modulator Board (03P6666C) TR Limitter (BS4112/E3902) Circulator (RC-3686) MIC (SRX-24) IF Amp Board MIC INT Board (03P6734C) (MIC-6550) INT Board (03P9004) PFN (2) Board RF Unit, Top view Coil (03P6669) (RL-9029) PFN (1) Board (03P6668B)

  • Page 77: Location Of Parts On Modulator Board (03P6666C)

    Location of Parts on Modulator Board (03P6666C) VR858 Test point and Ratings TP No. Signal Rating Condition TRIGGER Removed Fuse (F801) TP1,TP2 TRIGGER for PSU-001 Unit (TRIGGER) µ S : 380 to 400 s, Adjusted by VR858 µ M1: 470 to 600 µ...

  • Page 78: Location Of Parts On If Amp Board (03P6734C)

    Location of Parts on IF AMP Board (03P6734C) TVR602 VR601 TP604 Test point and Ratings TP No. Signal Rating Condition ST-BY, 0.25 NM TP604 DI MONITOR 1.9 to 2.1VDC, Adjusted VR602 Adjusted by VR601 so that maximum J604 #3(+) TUNING TX, Long Range echoes on the screen with maximum #8(-)

  • Page 79: Location Of Parts On Int Board (03P9004)

    Location of Parts on INT Board (03P9004) Test point and Ratings TP No. Signal Rating Condition S : 2.5 to 5.5 V J823 #8(+) M1: 3.0 to 5.5 V MAG CURR #9(-) M2: 5.0 to 7.0 V L : 5.4 to 7.8 V 3-23...

  • Page 80: Location Of Parts On Pfn (1) Board (03P6668)

    Location of Parts on PFN (1) board (03P6668) 3-24...

  • Page 81: Location Of Parts On Pfn (2) Board (03P6669)

    Location of Parts PFN (2) board (03P6669) RELAY Condition (K801/802/803) Pulse length K801 K802 K803 Open Open Open Short Open Open Short Short Open Short Short Short 3-25...

  • Page 82: Chapter 4. Maintenance

    Chapter 4. MAINTENACE Hazardous Voltage This equipment uses high voltage electricity which can SHOCK, BURN or cause DEATH. Always make sure the electrical power is turned off before attempting to change a component or inspecting the inside of the equipment. A residual charge may exist in capacitors, even with the equipment turned off.

  • Page 83: Dip Switches

    4.1 DIP Switches DIP switch S1 on the ARP Board (18P9002) and RP Board (14P0261) changes the specifications of radars. 14P0298 Board 18P9002 Board Figure 4.1 Display pedestal, inside view Description Default 14P0298(RP) Memory clear Not used Not used Not used Description Default 18P9002B(ARP)

  • Page 84: Jumper Settings

    4.2 Jumper Settings Board Specification Jumper Settings Remarks JP1: Yes 03P9245A 100 VAC, 24 rpm JP2: Yes (PTU Board, AC) JP3: Yes JP4: No JP91: No JP92: No R98:4.7 k ohms JP1: No 03P9245D 220 VAC, 24 rpm JP2: No (PTU Board, AC) JP3: No JP4: Yes...

  • Page 85: Led Status

    4.3 LED Status !: OFF ; : Blinking ; ": ON LED status symbols: Normal Check Board LED No Remarks Location of LEDs Status Item CR1 (YLW) KEY TX CR2 (YLW) NAV TX Blinks every 3 seconds. CR3 (YLW) RJ7 TX Blinks when RJ-7 is connected.
  • Page 87 Power Supply Unit (PSU-001) Normal Check Board LED No Remarks Status Item Relay Board +12V OFF when the line is abnormal. (+12V from Display Unit) (GRN) 03P9146 CR5 (GRN) +12V...

  • Page 88: Self-Test

    4.4 Self-test Test Menu Press [RADAR MENU], [0], [0], [0], [3], and [ENTER] in this order, and the self-test result display will appear after several seconds. Figure 4.2 shows the self-test result display. If any error has been found in circuitry, NG appears instead of OK. The self-test is carried out at every power-up, not when the keys are pressed.

  • Page 89: Keyboard Test

    The ICs checked in the diagnostic test are shown in the table below. For “NG,” suspect faulty IC. Note that parts level replacement is not possible; replace at board level. Check Item CRAM DRAM Board to be checked MAIN U5, U7 –...

  • Page 90: Notice On Replacing Major Parts

    EBL/VRM/Trackball Test Pressing the key and rotating the trackball increases or decreases the number on the screen. Test Pattern Pressing the STBY TX key calls up the test pattern composed of circles, squares, and diagonal lines. 4.5 Notice on Replacing Major Parts MAGNETRON NOTE) The magnetron emits a strong magnetic field.

  • Page 91: Program Numbers

    4.6 Program Numbers 1) The following summarizes the programs used in the system. The radar and RP programs are stored on the flash ROM, and the ARP program on the PROM. 2) How to switch between English and Japanese Versions The following key operation can change the English menu to the Japanese one, and vice versa.
  • Page 92 3. Disconnect the interconnection cable. 4. Turn off the radar and turn on again. Confirm the program revision level. load.bin Loarder Version 6.00 Loarder Version 6.00 Erase wait:0sec fr2105.bin Erase wait:0sec up.bat Write wait:0 Write wait:0 up.bat runs Turn on the radar uppb.exe Wait counter = 100 Wait counter = 100...

  • Page 93: Chapter 5. Troubleshooting

    Chapter 5. TROUBLESHOOTING 5.1 Outline This chapter provides troubleshooting flow charts and describes error messages. 5.2 Error Message When no bearing pulse signal is input to the display unit, BP-SIG-MISS is indicated, and when no heading signal, HD-SIG-MISS. Check the antenna cable when those indications appear. Visual Alarms Visual alarms appear on the display to alert the operator that the system is abnormal.
  • Page 94 General Flow Charts Start Turn power ON Nothing appears Flow chart 1 on display. No echoes nor Flow chart 7 white noise. Flow chart 2 Abnormal display. Flow chart 8 Poor sensitivity. Flow chart 3 No heading data. No GAIN, STC, Flow chart 9 FTC effect.
  • Page 95 Symptom: Nothing appears on the display Flow chart 1 No (No power) Confirm that Keys beep when maintenance SW is on. pressed. Yes (Equipment is powered) NG(set to front side) Faulty CRT assy. CRT heater lights? (Type : CDT2163B), Defective 140 Vdc line Turn on w/ mainte.
  • Page 96 Symptom: Abnormal display Flow chart 2 *See block diagram Check horizontal sync, of SPU board. vertical sync and video output (MOTHER Pcb, 03P9251,J418 #1,2,3,13,14) OK ? Defective 03P9253 (SPU) Adjust BRIL control. CRT brilliance ? OK ? Picture is synchronized Adjust BRIL on automatically.
  • Page 97 Symptom: No heading data Flow chart 3 Blank Heading data indication ? ***.* Check CLK data at INT board, J446 #3,#4 . Power OFF and ON. Faulty pcb 03P9253 (Normal) Faulty heading sensor or its interconnection Heading data from the sensor cable.
  • Page 98 Symptom: No nav data. Flow chart 4 All data shown by asterisks or blank. Nav data indication ? Some data shown by asteriska or blank. Check LED(CR6) on 03P9253. Check nav equipment's output sentences. Select correct sentence. Wrong data sentence Faulty pcb 03P9253 or Faulty nav equipment or IEC61162 not selected...
  • Page 99 Symptom: Key(s) inoperative Flow chart 5 Warm up Faulty pcb 03P9253. countdown. Faulty S1 to S11 on pcb 03P9255, Only one key S1 to S19 on pcb 03P9256. is faulty. Single vertical row only. Single vertical Defective signal line row of keys Faulty pcb 03P9255(U1).
  • Page 100 Symptom: Antenna does not rotate Flow chart 6 Antenna does not rotate. ANT SW position ? Turn on the SW. +12 V (PTB-13 #4) when TX key is pressed. PTB-13 #4 on PSU-004. 0 V (PTB-13 #4) when TX key is pressed. TX key is pressed.
  • Page 101 Symptom: No echoes nor white noise Flow chart 7 GAIN VR at Set GAIN VR at maximum. maximum. Check GAIN control voltage with GAIN VR fully CW. (#15 of U100 on SPU) Faulty VR4 on 03P9255 Board. 0V ? Check video signal White noise.
  • Page 102 Symptom: Poor sensitivity Flow chart 8 Check TOTAL ON TIME/TOTAL TX TIME. Replace Less than magnetron. 1000 hrs ? Manual tuning ? Poor sensitivity To 1) No echo; poor (page 5-11) sensitivity. Check maximum gain is obtained with maximum No echo (White noise appears) tuning indication.
  • Page 103 From 1) on page 5-10. Signal PW A,DJ1 #18 L Check puselength PW B,DJ1 #13 L select signals. PW A, PW B Faulty pcb 03P9253. are normal ? S : 2.5 Vdc to 5.5 Vdc M1 : 3.0 Vdc to 5.5 Vdc Measure magnetron M2 : 5.0 Vdc to 7.0 Vdc current in TX mode.
  • Page 104 From 2) on page 5-10 ST-BY: 780 Vdc to 800 Vdc Measure TX-HV in TX: 0 Vdc ST-By mode. Rating Faulty TX-HV(03P6810) L : 4.5V to 5.0 Vdc Check magnetron ST-BY: 7.0 V to 7.5 Vdc heater voltage in ST-By mode. Faulty pcb 03P6667 Rating L: 5.4 V to 7.8 Vdc...
  • Page 105 Symptom: No GAIN, A/C SEA, A/C RAIN effect Flow chart 9 GAIN can be adjusted. Check voltage at Faulty VR4 on 03P9255 board. U100 #1 on 03P9253 . MIN : approx. -7 V MAX : approx. 0 V Faulty pcb 03P9253 A/C SEA can be adjusted.
  • Page 106 Symptom: Target cannot be acquired Flow chart 10 *Heading data in NMEA183 cannot be used for ARP. AD format HD data received 200 msec Transfer rate? Select 25 msec, AD format. 25 msec When CR1 on ARP board is off : faulty 18P9002. E PA EPA or ARPA? When CR1 on ARP board is blinking : faulty 18P9002 or 03P9253 .

  • Page 120: Schematic Diagrams

    SCHEMATIC DIAGRAM Drawing Type Drawing Drawing No. Page INTERCONNECTION C3464-C01 RDP-124(AC) C3464-K01 DIAGRAMS DISPLAY UNIT GENERAL RDP-124(DC) C3464-K19 03P9255(1/2) C3464-K04 SCHEMATIC CENTER PANEL PRINT 03P9255(2/2) C3464-K05 SUB PANEL PRINT 03P9254 C3464-K06 RIGHT PANEL PRINT 03P9256 C3464-K07 03P9252(1/4) C3464-K08 03P9252(2/4) C3464-K09 INT BOARD 03P9252(3/4) C3464-K10...

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