and Type 300 12V
Contents
1. E g amp C8 RIO RIS m R78 668 R126 R127 R133 gt 1862 ic R55 ca R89 R21 IR119J C7 R G R80 R70 R65 R77 R75 S D R58 Tu 79 R69 R64 R76 R66 06 202 R61 R60 859 R63 R E R81 R67 22798 922 9 R31 BSN eee 0221 R73 R74 09 703 ERES R123 R124 R72 R71 EP n Q 8 ET D21 Eey 8 R128 C23 R18 C8 R33 R24 519 ES R29 88 me Bor g Rao RAS Raa 646 Ra R83 884 R7 R5 R22 R49 R49 R48 847 Raa ras oa 694 92 O R86 rasa re RI02. lt lt lt lt 07 C 5V P3 5 cs Q6 INH 2 5 P1 1 tp Q5 CHO VRESET 00 TB11 EEPROM Q4 PART N 16 x 16 I N FIGA gt ov F P3 2 Q2 F GB CH3 INTEGRATOR W 1 CH4 COMPARATOR PART MOTOR FEDBACK Q1 R32 zt FB2 CHS C BLUE FIG 4 OR FIG 5 P27 Q0 H TR33 F G DRIVE Bro CHANNEL c11 SELECT gy ic WHITE ANALOGUE WR m MULTIPLEXER RD DE VRESET l RED ADDRESS A812 4A8 12 F GBIAS A 3 XTAL 182 IB lt 1018 1 12MHz SCRN gt INH CRYSTAL ALE LE IC8 9 2 RED 5V CHO Q0 7 ADDRESS 0 7 IC6 0 7 3 ADDRESS 0 7 GREEN 5 ov A0 7 iE P0 0 ADDRESS BLUE 5 RUDDER REF cH ros P0 7 9 V12 CH3 prs 2 P2 0 BLUE gt RATE GYRO to ADDRESS 407 22 6 18 14 RED gt VBUS PSEN _ OE IC7 3 EPROM GREEN 2H 0V COM P3 4 VDOUBLE TB10 2 P1 6 MOTOR DRIVE 1 TO POWER CIRCUITS HE ROLL GYRO E FIG 4 12V 1 P1 7 MOTOR DRIVE 2 FIG 5 24V RED I VBUS 3 P1 3L HP ENABLE CLUTCH DRIVE TB6 GREEN 0V 3i NMEA OV NMEA 183 pis MEA 4 JOYSTICK 11 BLUE gt CH6
3. RESISTOR 270R 5 500 mW R107 CAPACITOR ELECTROLYTIC C19 20 CAPACITOR ELECTROLYTIC 10uF 25V C17 17 30 CAPACITOR ELECTROLYTIC 470uF 55V C29 CAPACITOR ELECTROLYTIC 100uF 25V C1 4 25 CAPACITOR ELECTROLYTIC 1000uF C34 16V CAPACITOR ELECTROLYTIC 1000uF C18 63V DIODE MR751 01 DIODE FAST RECOVERY PBYR1645 D18 FET SMP 60N06 18 TR23 26 27 29 FET IRF 234 60V 30 50MOHM TR38 5V REGULATOR WITH RESET LM2925 SWITCH MODE REGULATOR 171270 64K EPROM 27 512 2005 RESONATOR THREE LEGGED XL1 INDUCTOR 100uH 8A L1 RELAY 12V 40A RL1 2 3 FUSE HOLDER 1 off LINK LK2 IC SOCKET 28 PIN DIL 1 off 4 WAY TERMINAL BLOCK 1 off TERMINAL BLOCK 31 off TERMINAL BLOCK END PLATE 1 off BLUE DOT LABEL 1 off 83051t6c 100 300 Course Computer Service Manual 830512 37
4. CAPACITOR 0 1UF 20 X7R 1206 50V C2 5 6 7 12 15 21 22 23 24 26 28 31 32 33 CAPACITOR TANTALUM 2 2uF C27 DIODE SOT23 BAS19 D2 5 b 7 15 20 25 26 DIODE SOT23 BAV70 D21 22 DIODE SOT23 BAV99 D4 8 DIODE SOT23 BAW 56 D3 ZENER DIODE BZX12V 201 2 ZENER DIODE 50723 BZX6V8 203 RECTIFIER DIODE 1A 100V D9 19 TRANSISTOR BC807 SOT23 PNP 12 32 TRANSISTOR BC817 SOT23 NPN TRI 4 5 7 8 9 10 11 13 14 15 15 18 19 22 24 25 26 30 31 33 39 TRANSISTOR BC868 SOT89 NPN TR2 TRANSISTOR 2N7002 TR20 21 74HC4051 I2 12 DUAL OP AMP TLC272 IC3 OPTO COUPLER PC317 9306 5 MICROCONTROLLER 80C32 IC6 8 BIT LATCH 74HC373 IC8 8K RAM HM6264A 9 8 BIT LATCH 74HC374 IC10 QUAD 2 INPUT NOR 74HC02 IC11 VARISTOR VC1206260540 V1 83051t5b 100 300 Course Computer Service Manual 830512 33 Autohelm Type 100 300 Course Computer Conventional Components Type 100 12V 0067 and Type 300 12V 0068 CAPACITOR ELECTROLYTIC 1uF C19 20 CAPACITOR ELECTROLYTIC 10uF 25V C16 17 CAPACITOR ELECTROLYTIC 100uF 25V C1 4 25 CAPACITOR ELECT LYTIC 1000uF 63V C18 FET SEE NOTE TR23 26 27 29 FET IRF Z34 60V 30A 50MOHM TR38 5V REGULATOR WITH RESET LM2925 IC1 64K EPROM 27C512 200nS IC7 RESONATOR THREE LEGGED XL1 RELAY 12V 40A RL1 2 3 FUSE HOLDER 1 off LINK LK1 LK3 IC SOCKET 28 PIN DIL 1 off 4 WAY TERMI
5. 2 5 mm Hexagon key 3 Insulation strip 14 Heat sink compound 15 Double sided sticky tape Old Shape New Shape Figure 2 Location Comb Assembly Detail 8 100 300 Course Computer Service Manual 830512 Type 100 300 Course Computer Autohelm 5 Functional Test 5 1 Pre checked Equipment Required A WU N H SeaTalk Control Unit 2082 Fluxgate Compass 2130 or Z105 ST50 Wind Display in Boat Show mode Z094 Rudder Reference Transducer 2131 Joystick 2147 Multimeter Motorfor 2166 2168 12V N002 Motorfor Z167 24V N003 Power Supply minimum rating 20A 10 SeaTalk Cable 0124 11 Clutch Coil N007 5 2 Functional Test Procedure 1 Connect all units to the course computer in accordance with the con nection diagram Figure 3 Position and secure the rudder reference arm diametrically opposite the cable gland of the transducer Connect 12V 2166 2168 or 24V 7167 to the test rig Do not switch on Start tests shown by the Functional Test Flowchart After a PCB change which effectively produces a new instrument the tests restart each time Type 100 300 Course Computer Service Manual 830512 9 Autohelm Type 100 300 Course Computer N 5
6. Bi Ico 591 PE 88118671 frea frea pzz 203 EEE Fr R123 R124 n C61 7230 eed C62 R92 O R90 R91 e N 9 3 c10 128 C23 R4 R18 C8 833 824 519 29 vs 87 R6 R97 yy 20 Ras Raa Ras R34 7 SEN 85 522 R49 025 R83 R84 R7 85 Rao R48 CR 627 629 ERARA E R86 Ra ries RI0 C5 55 C3i RHZIRIM TRO TRB gan R32 Rd TR2 89 RI R49 ub au TE rj Tor 885 RB RU Ru o 838 R40 R39 626 RL ROSIER RID as 0 Bim RES 8 FR R37 641 235 R36 R25 TE C27 RB n 2 R30 Rul 116 SYN DP 164 mo 22 021371 Figure 12 Layout Type 300 24V 0069 Type 100 300 Course Computer Service Man
7. V1 P1 3 TR39 D15 Volt ARV VREG HP ENABLE FROM R131 MICROCONTROLLER IC6 21 Vin IC1 VADC RST TR1 RESET IH DNS s 201 25 OV TB1 2 VPOWER 12V NOMINAL 702 FB1 VDBL TO MULTIPLEXER IC2 tris ___ 20 VDBL 24V NOMINAL V12 RLYOV FROM TR19 21 RLY2 MICROCONTROLLER TB8 6 1 6 R22 26 OL MOTOR 1 1 7 R27 31 o lt MOTOR 2 FROM RLY3 MICROCONTROLLER 2 oV TO MULTIPLEXER IC2 021341 Figure 4 Block Diagram of 12V Power Circuits 100 0067 and Type 300 0068 D25 See Figure 5 for change to generation of RLY Signal Flow is left to right except where indicated B7 TB7 11 1 E ENABLE CLUTCH ENABLE aq FROM TR38 D15 FROM _ TR38 D15 CLUTCH MICRO TR39 MICRO TR39 CONTROLLER 12 CONTROLLER 12 IC IC 24 TR2 K RLY ov RLY 0V D25 I Link 025 ov 0V RLY 0V D25 D25 R93 CLUTCH DRIVE TR2 LINK FROM TR38 R122 ov ov ORIGINAL RELAY ENERGISATION Figure 5 Generation of RLY 0V MODIFIED RELAY ENERGISATION D21341a Type 100 300 Course Computer Service Manual 830512 21 Autohelm Type 100 300 Course Computer Refer to Figure 6 Block Diagram Power Circuits and Figure 1
8. f a E m ana AD Fa a E n o M si nj s a m m AIIELESS HOLLAND DOR YOLOW 021331 Figure 3 Connections to Terminals 10 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm 5 3 Functional Test Flowchart START CONNECT POWER SWITCH ON CHECK BEEP N CHANGE PCB OK amp RESTART OK N CHECK COURSE COMPUTER FUSE Y Y OK NY CHECK PRESS 10 THREE TIMES CONNECTIONS CHECK MOTOR RUNS N CHANGE FUSE N CHANGE PCB amp RESTART amp RESTART RE CONNECT amp RESTART CHECK CONTROL UNIT CHANGE PCB CHECK MOTOR STOP
9. 18 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm 9 Circuit Description Note that the electrical difference between the Type 100 and Type 300 12V computers is in the power stage of the motor drive circuits The Type 100 uses IRF 234 5 or equivalents and the Type 300 12V uses the more powerful SMP60N06 18 or equivalents The 300 24V also uses SMP60N06 18 FETs or equivalents 9 1 Power Supplies Type 100 and Type 300 12V Refer to Figure 4 Block Diagram Power Circuits and Figure 10 Type 100 and Type 300 12V Circuit Diagram nominal 12V is applied to V and V pins of terminal block 1 TB1 Varistor V1 gives protection against transients and over voltage After passing through link LK1 the supply is called V12 and is routed to 1 a regulator which generates 5V for the logic circuits and reset signals for the microcontroller 2 Viafuse FS1 to SeaTalk terminal blocks TB4 and TB12 3 Diode D9 to become VBUS at D9 cathode VBUS is applied to 1 R131 ZD3 to produce a 6 8V supply to the analogue to digital circuit IC3b 2 NMEA OUT buffer TR12 13 14 and 15 to give the correct NMEA signal level at TB6 3 TR3 to provide the correct SeaTalk output signal level at TBs 4 and 12 4 Rate Gyro and Roll Gyro via TBs 9 and 10 respectively If the supply polarity is correct incoming 12V is passed through protection diode D19 a
10. 3 Toremovethe PCB 8 unscrew and remove the five M2 screws 9 Unscrew by two or three turns the location comb screws 5 Note that computers from serial number 0360001 use machine screws and reguire a 2 5mm hexagon key Access to these screws is gained through two holes in the PCB one of which is shown in Figure 2 behind and to the left as viewed of the line of FETs 13 Do not remove the screws at this stage Lift the PCB out of the upper case 2 4 Remove the location comb 4 by unscrewing and removing the two screws 5 5 Ifthe insulation strip 3 is damaged out of position or a new location comb is to be fitted see Assembly Instruction 3 carefully peel off the old strip and clean any remaining adhesive and heat transfer com pound off the case 6 The insulating strip 10 fits over the legs of the connectors and can be removed if necessary 4 Assembly Refer to Figure 1 Exploded View and Figure 2 Location Comb Assembly Detail 1 Apply heat sink compound 14 to the area of the case where the insulation strip 3 fits Apply double sided sticky tape to the case and attach the insulation strip as shown in Figure 2 detail 1 Bend the strip over the edge and apply a second layer of heat transfer compound Figure 2 detail 2 2 Fitthe location comb 4 into the upper case 2 with the two M2 screws 5 Do not tighten the screws at this stage Note Check that the location comb has the new shape as shown in Figu
11. RESISTOR 1M0 1 125mw R53 CAPACITOR 22nF 5 X7R 1206 50V C3 CAPACITOR 1000pF 2 COG 50V C8 CAPACITOR 1000pF 5 COG 50V C11 83051t6a Type 100 300 Course Computer Service Manual 83051 2 35 Autohelm Surface Mount Type 300 24V Q069 ctd Type 100 300 Course Computer CAPACITOR 0 1uF 20 X7R 1206 50V C2 5 6 7 12 15 21 22 23 24 26 28 31 32 33 CAPACITOR TANTALUM 1uF 16V SIZE A C61 62 CAPACITOR TANTALUM 2 2uF C27 DIODE SOT23 BAS19 D2 5 6 7 15 20 23 24 25 26 DIODE SOT23 70 D21 22 DIODE SOT23 BAV99 04 8 DIODE SOT23 BAS19 D2 5 6 15 20 25 26 DIODE SOT23 70 D21 22 DIODE SOT23 BAV99 04 8 DIODE SOT23 56 03 ZENER DIODE BZX12V 201 2 ZENER DIODE 50723 BZX6V8 ZD3 RECTIFIER DIODE 1A 100V D9 19 TRANSISTOR BC807 SOT23 PNP 12 32 TRANSISTOR 817 50123 NPN 1 4 11 13 16 18 19 22 24 25 28 30 31 33 39 TRANSISTOR BC868 SOT89 NPN TR2 TRANSISTOR 2N7002 TR20 21 74HC4051 IC2 12 DUAL OP AMP TLC272 IC3 OPTO COUPLER PC317 EEPROM 9306 5 MICROCONTROLLER 80C32 IC6 8 BIT LATCH 74HC373 IC8 8K RAM HM6264A 9 8 BIT LATCH 74HC374 IC10 QUAD 2 INPUT NOR 74HC02 IC11 VARISTOR VC1206260540 V1 83051t6b 36 Type 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm Conventional Components Type 300 24V 0069
12. TR12 NMEA OUT 2 TRIS SCRN 2 DATA OUT RED 5V us 3 0189 GREEN 4 0V 1 2 p1 4 SEATALK TXDATA E e VRESET CH7 s B5 ANALOGUE T MULTIPLEXER TR7 1 TR5 NMEA IN 2 IC4 P3 3 NMEA IN gt K ISOLATOR TB4 1 YELLOW e SeaTalk DATA gt lt RXDATA 525 2 SCREEN H ov 3 RED 5 TO POWER MICROCONTROLLER FS1 CIRCUITS 812 FIG 4 12V lt 1 FIG 5 24V YELLOW 2 SCREEN H RED D21352 Figure 7 Logic Circuits Block Diagram All Variants Signal Flow is left to right except where indicated Type 100 300 Course Computer Service Manual 830512 25 Autohelm Type 100 300 Course Computer 9 3 Input Output Signals Terminal Colour Signal Parameters Dir Block Label 1 Power V 12V or 24V nominal DC In Power OV DC In 2 Screen OV DC Out Red 5v DC Out Green Ov DC Out Blue Rudder Ref ce 0 to 5V variable DC In 3 Screen OV DC Out Red 5V DC Out Green OV DC Out Blue Joystick Output 0 to 5V variable DC In 4 Yellow SeaTalk Data Irregular trains of 12V pulses In Out Red 12V DC Out Screen 0V DC Out 5 NMEA NMEA In Irregular trains of 12V pulses In NMEA NMEA In OV In 6 NMEA NMEA Out Irregular trains of 12V pulses Out NMEA NMEA Out OV Out 7 CLUTCH Clutch Irregular variable length 12V pulses CLUTCH Clutch OV Out 8 MOTOR 1 Motor 1 Irregular vari
13. Type 300 0069 30 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm 10 2 24V Computer Type 300 Q069 g EH RIIRISICO a R68 RI26 R127 kam Cy C15 R55 C24 R89 221 8119 C7 880 870 R65 877 R75 R82 829 Fra 27 658 mn 79 R69 864 R76 R66 251 66 262 R61 860 859 R63 a
14. Type 300 12V Figure 11 Type 300 Circuit Diagram and Figure 6 Power Circuit Block Diagram show the method used for PCBs with serial numbers below 0440127 Figure 5 shows the modifications to Circuit and Block diagrams for PCBs with serial numbers greater than 0440127 22 Type 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm 9 2 Signal Processing External Signals Refer to Figure 7 Block Diagram Logic Circuits and either Figure 10 or Figure 11 Type 100 and 300 12V and Type 300 24V respectively Signal and processing circuits are identical for all three versions Fluxgate Compass Compass Drives 1 and 2 are provided at TB11 by TR32 and TR33 VRESET on TB11 provides a bias voltage to the compass coils Compass outputs F GA and F GB are routed via TB11 to analogue multi plexer IC2 Rate Gyro and Roll Gyro Both gyros are supplied with VBUS nominal 12V through TB9 Rate and 10 Roll Gyro outputs are fed from the respective TBs to analogue multiplexer IC12 Rudder Reference The Rudder Reference transducer is supplied with 5V through TB2 The reference output is routed via TB2 to analogue multiplexer IC12 Joystick The J oystick is supplied with 5V through TB3 The joystick output is routed via TB3 to analogue multiplexer IC12 SeaTalk SeaTalk data passes through TB4 and or TB12 Selection of SeaTalk input output is made by microcontroller signal P1 4 Incoming data is
15. 1 Type 300 24V Circuit Diagram D19 24V N VPOWER FROM 24V NOMINAL 1 1 FUSE 1 MM RLY1 FS1 5209 023 R90 C61 Vn VBUS V12 RES N GND Vout __ 5y R131 i VREG Api Vin VADC RST TRI RESET Zx 703 J FROM TB1 2 VPOWER V2 24V NOMINAL 702 xz VDBL ue FBl TB7 TO MULTIPLEXER IC2 TR18 TR20 VDBL 36V NOMINAL VREG V12 RLYOV 11 P3 4 TR19 TR21 FROM aiv MICROCONTROLLER TR38 1 6 ITR22 26 IMOTOR 1 P13 015 il HP ENABLE 5 P1 7 ITR27 31 o C MOTOR 2 FROM ROM E MICRO RLY3 CONTROLLER MICROCONTROLLER ns aay a KH ov TO MULTIPLEXER 102 D25 0v Figure 6 Block Diagram of 24v Power Circuits Type 300 0069 Signal Flow is left to right except where indicated D25 See Figure 5 for change to generation of RLY OV VBUS V12 VADC VREG and VRESET are the same as the 12V versions The differences are 1 V12is generated by switching regulator IC13 2 VPOWER is 24V nominal 3 VDBL is 36V nominal 4 Clutch drive transistor TR38 is supplied with 12V through link LK2 5 Links LK1 and LK3 are open and link LK2 supplies 12V to FET TR38 to control the clutch Diode protection of the clutch and motor drive circuits against reverse polarity supplies is as for the 12V versions Relay Energisation Relay energisation is the same as Type 100 and
16. 6 Change from P05 830001 P07 Change from 06 1030015 P08 Joystick software introduced 550117 7 2 Q068 Type 300 12V Version Change Serial Number P01 Introduction 330001 P05 Change from P04 630186 P06 Change from P05 830001 P07 Change 06 1030015 P08 Joystick software introduced 550117 7 3 Q069 Type 300 24V Version Change Serial Number P01 Introduction 330001 P05 Change from P04 630046 P06 Change from P05 830001 P07 Change 06 1030100 P08 Joystick software introduced 550045 83051t2c Type 100 300 Course Computer Service Manual 830512 15 Autohelm Type 100 300 Course Computer 16 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm 8 Spares Numbers 8 1 Q067 Type 100 Item Catalogue Comments Number Fuse Kit D209 12V CPU PCB Q062 12V CPU Q065 Transistor Kit 12V CPU Q067 Assembly Type 100 CPU Q108 Software Kit 83051t3a 8 2 0068 Type 300 12V Item Catalogue Comments Number Fuse Kit D209 12V CPU PCB Q063 CPU Transistor Kit Q066 12V CPU Q068 Assembly Type 300 CPU Q108 Software Kit 83051t3b 100 300 Course Computer Service Manual 830512 17 Autohelm Type 100 300 Course Computer 8 3 0069 Type 300 24V Item Catalogue Comments Number Fuse Kit D209 24V CPU PCB 0064 CPU Transistor Kit 0066 24V CPU 0069 Assembly Type 300 CPU 0108 Software Kit 83051t3c
17. F TEST Type 100 300 Course Computer Service Manual830512 11 Autohelm Type 100 300 Course Computer 12 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm 6 Product History 6 1 0067 Type 100 Change Serial Comments Number Production start 330001 New assembly method 360001 Modified heat sink clamp 530051 Low battery board mod 440127 Final test to incorporate 950001 cal lock check 6 2 0068 Type 300 12V Change Serial Comments Number Production start 330001 New assembly method 360001 Modified heat sink clamp 530041 Issue C PCB 1030001 Screwlock intro on 1130001 compass weight nut Low battery board mod 440028 Final test to incorporate 950001 cal lock check 83051tlb Type 100 300 Course Computer Service Manual 830512 13 Autohelm Type 100 300 Course Computer 6 3 0069 Type 300 24V Change Serial Comments Number Production start 330001 New assembly method 360001 Modified heat sink clamp 530051 Low battery board mod 540001 Final test to incorporate 950001 cal lock check 83051tlc 14 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm 7 Software History 7 1 0067 Type 100 Version Change Serial Number P01 Introduction 330001 P05 Change from P04 630186 P0
18. NAL BLOCK 1 off TERMINAL BLOCK 31 off TERMINAL BLOCK END PLATE 1 off LABEL SEE NOTE 1 off 83051t5c NOTE 100 12V 0067 FET IRF 734 60V 30 5OMOHM and Red Dot Label Type 300 12V Q068 FET 60N06 18 and White Dot Label 34 Type 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm 10 4 PCB Components Type 300 24V 0069 Surface Mount RESISTOR 8R2 5 125mw R36 55 85 86 89 RESISTOR 1 125mw R125 RESISTOR 47 5 125 mW R43 133 RESISTOR 82 1 125 mw R20 RESISTOR 270R 1 125mw R8 9 119 RESISTOR 390R 5 125mw R26 37 38 40 41 48 RESISTOR 470R 5 125mw R90 132 RESISTOR 1K0 1 125mw RIO 11 21 111 131 RESISTOR 1K2 1 125mw R19 91 RESISTOR 1K5 5 125mw R6 7 44 83 84 93 RESISTOR 2K2 5 125mw R27 35 50 07 09 79 81 121 122 128 RESISTOR 2K2 5 125mw R82 RESISTOR 4K7 5 500mw R1 32 46 47 49 52 58 61 64 65 16 77 87 95 126 127 129 RESISTOR 5K6 1 125mw R16 18 97 110 112 116 123 124 RESISTOR 10K 5 125mw R2 14 15 23 24 29 34 39 42 45 51 59 60 68 80 113 114 RESISTOR 12K 5 125mw R92 RESISTOR 15K 5 125mw R30 66 70 75 78 RESISTOR 22K 5 125mw R28 RESISTOR 33K 1 125mw R4 5 12 13 17 94 117 RESISTOR 39K 5 125mw R25 31 33 RESISTOR 68K 1 125mw R22 62 63 96 115 118 RESISTOR 820K 5 125mW R120
19. S DISPLAYS ST7000 FOR 2 SEC amp RESTART FOLLOWED BY STANDBY URRENT COMPASS HEADING N CHANGE PCB amp RESTART N OK CHECK COMPASS Y SET TO ON Y SET COMPASS ON PRESS STANDBY IN COMPASS SELECT DRIVE LEVEL 3 CALIBRATION FROM CALIBRATION MENU MENU CHECK PRESS STANDBY amp AUTO CURRENT HEADING TOGETHER DISPLAYED CHECK DISPLAY INDICATES WINDVANE MODE N CHANGE PCB CHANGE PCB OK amp RESTART amp RESTART Y ROTATE COMPASS amp CHECK PRESS STANDBY DISPLAYED HEADING MOVE RUDDER REFERENCE CHANGES ARM 30 ANTICLOCKWISE CHECK RUDDER ANGLE DISPLAY SHOWS APPROX 30 CHANGE PCB STARBOARD RUDDER amp RESTART N CHANGE PCB OK amp RESTART 1 CONNECT METER VE TO CLUTCH VE TO CLUTCH CHECK METER READS 0V MOVE RUDDER REFERENCE ARM 60 CLOCKWISE CHANGE PCB CHECK RUDDER ANGLE amp RESTART DISPLAY SHOWS APPROX 30 PORT RUDDER N CHANGE PCB PRESS AUTO OK amp RESTART CHECK METER READS gt 10V 1 Y N CHANGE PCB amp RESTART OPERATE JOYSTICK TO GIVE Y PORT TURN CHECK MOTOR RUNS PRESS STANDBY N SELECT DRIVE LEVEL 1 FROM OK CALIBRATION MENU 2 PRESS AUTO PRESS 10 THREE TIMES CHECK MOTOR RUNS N CHANGE PCB OK gt amp RESTART N CHANGE PCB lt amp RESTART Y CHECK MOTOR STOPS CHANGE PCB amp RESTART OPERATE JOYSTICK TO GIVE STARBOARD TURN CHECK MOTOR RUNS END O
20. Type 100 300 Course Computer Autohelm lt HDS 2 m D 4 54446 J p FEN A t Ee AS MAS x XX ee er e pi p HD 021401 Service Procedures for 0068 Type 300 12V Autopilot Course Computer 2166 Core Pack 0069 Type 300 24V Autopilot Course Computer 2167 Core Pack 0067 Type 100 12V Autopilot Course Computer 2168 Core Pack Type 100 300 Course Computer Service Manual 830512 1 Autohelm Type 100 300 Course Computer CE MARKING OF EOUIPMENT REPLACEMENT PARTS WARNING If the Autohelm eguipment under repair test calibration installation or setting to work carries the European CE mark only parts and components supplied or approved for such use by Autohelm should be used in order to maintain compliance with the relevant CE reguirements Incorporation use or attachment by any means of parts or components not supplied for or not approved for such use by Autohelm or if supplied or approved for use by Autohelm not properly fitted in accordance with instructions published provided or recommended by Autohelm may cause the eguipment to malfunction and in particular to become unsafe or to no longer meet the relevant CE reguirements In these circum stances Raytheon Marine Europe Ltd excludes liability to the fullest extent permissible in law for any loss or damage including any liability for its contribution to such loss or damage by its negligent acts or omissio
21. able length pulses Out 12V or 24V dependent on variant MOTOR 2 Motor 2 Irregular variable length pulses Out 12V or 24V dependent on variant 26 Type 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm Input Output Signals ctd Terminal Colour Signal Parameters Dir Block Label 9 Red VBUS 12V DC Out Green OV DC Out Blue Rate Gyro O P 0 to 12V DC In 10 Red VBUS 12V DC Out Green OV DC Out Blue Roll Gyro O P to 12V DC In 11 Green Compass 2 5 DC In Output F GA Yellow Compass 2 5 DC In Output F GB Red VRESET 2 5V DC Out Blue Compass AC signal 17 cycles at 7 9KHz Out Drive 1 driven twice every 1 16 second White Compass OV Out Drive 2 12 Yellow SeaTalk Data Irregular trains of 12V pulses In Out Red 12V DC Out Screen 0V DC Out 83051t4b O 11 3 91102 1564 127118 FLUXGATE JOYSTICK GYRO GYRO RUDDER REF 4SNMEAXY SeaTalk SeaTalk CLUTCH POWER MOTOR 031041 Figure 8 Terminal Block Numbering Type 100 300 Course Computer Service Manual 830512 27 Autohelm Type 100 300 Course Computer 10 PCB Layouts and Component Lists 10 1 12V Computers Type 100 0067 and Type 300 0068
22. ants of the Course Computer 0068 Type 300 12V Autopilot Course Computer 2166 Core Pack 0069 Type 300 24V Autopilot Course Computer 2167 Core Pack 0067 Type 100 12V Autopilot Course Computer 2168 Core Pack 1 1 General The Type 100 300 Course Computer is SeaTalk compatible and consists of a case containing a PCB which carries a microcontroller drive unit power amplifier protection relays and a connector block for all inputs and outputs Type 100 is used with Type 1 and Type CR 12V drives Type 300 is used with Type 2 and Type 3 12V or 24V drives 1 2 Variants Functions of all three variants are identical The difference between Type 300 24V and Type 300 12V is the input voltage and motor output voltage Between 12V variations Type 100 and Type 300 the difference is the power handling capabilities of the motor output All other inputs and outputs SeaTalk compass etc produce or need the same signal levels whatever the variant Mechanically all three variants are identical in that the computer consists of a case with top and bottom parts containing a PCB 2 Operation There are no operations needed to set up the computer for testing 100 300 Course Computer Service Manual 830512 5 Autohelm Type 100 300 Course Computer 3 Disassembly Refer to Figure 1 Exploded View 1 Remove the terminal cover 1 2 Unscrew and remove the four screws 12 lower case 11 Remove the lower case
23. applied to TR10 11 and hence to microcontroller inputs Outgoing data is generated at microcontroller output P3 1 and is applied to TRA TR5 TR6 and TR7 to provide the 12V signal level of the SeaTalk System NMEA Selection of NMEA output is made by microcontroller signal P1 5 Incoming data TB5 is applied to optocoupler IC4 and hence to microcontroller inputs Type 100 300 Course Computer Service Manual 830512 23 Autohelm Type 100 300 Course Computer Outgoing data is generated at microcontroller output P3 1 and is applied to TR12 TR13 and TR15 to provide the NMEA 12V signal level at TB6 Internal Signals Input signals from external instruments compass etc are applied to analogue multiplexers IC2 and IC12 Selection of the signal for application to the A D convertor is made by signals SEL A SEL B SEL C in combi nation with INHIBIT A and INHIBIT B Selection signals are generated by Channel Select IC10 using data from the microcontroller The microcontroller accesses RAM EPROM and EEPROM to store retrieve program and factory set calibration parameters 24 Type 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm
24. f C5 H C3i RLLZJRIM TRADI Ob TRO TRB R42 135 R32 1920 TR m m REE Ld TYTY EU R95 C26 RIB 25 840 839 426 5122 5 0 RU 9 ER mp R37 841 835 R36 R93 C27 RIB 5 i RO 9 m ng 1 ESO B A D21362 Figure 9 PCB Layout Type 100 Q067 and Type 300 12V Q068 28 Type 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm Figure 10 Circuit Diagram 12V Computers Type 100 Q067 and Type 300 Q068 See Parts List for differences 100 300 Course Computer Service Manual 83051 2 29 Autohelm Type 100 300 Course Computer Figure 11 Circuit Diagram 24V Computer
25. its used on Q068 PCB Serial Numbers below 0440028 Q067 PCB Serial Numbers below 0540001 The clutch is energised by signal HP ENABLE from the microcontroller and TR2 provides RLY OV which energises RL1 The contacts of RL1 short out D19 allowing current to flow to the bridge circuit with minimal voltage loss When the clutch is de energised RL1 is also de energised and the relay contacts open Relays RLY2 and RLY3 provide isolation for the PCB circuitry in the event that power is connected to the motor terminals by mistake RLY OV also energises relays RLY 2 and RLY 3 closing the relay contacts and allowing motor drive power onto the terminal block The contacts of RLY 2 and RLY 3 are opened when the clutch is de ener gised Figure 5 shows the modifications to the Circuit and Block Diagrams on PCBs with serial numbers greater than 0440029 Q068 and 0540001 70067 where energisation of the relays is immediate on application of the correct polarity supply voltage 20 Type 100 300 Course Computer Service Manual 83051 2 Type 100 300 Course Computer Autohelm D19 12V VPOWER FROM 12V NOMINAL TB1 3 AEKA LG VIA TB7 FUSE RLYOV R82 i FSI DG RLY1 11 7 VBUS vaz TR38
26. m Type 100 300 Course Computer 9 3 Input Output Signals 26 10 PCB Layouts and Component Lists 28 10 1 12V Computers Type 100 Q067 and Type 300 Q068 28 10 2 24V Computer Type 300 006 9 una 31 10 3 PCB Components Type 100 12V 0067 and Type 300 12V DGS MP 32 10 4 PCB Components Type 300 24V 0069 35 Illustrations Figure 1 Exploded VIEW 7 Figure 2 Location Comb Assembly 1 11 241 1 8 Figure 3 Connections to Terminals 10 Figure 4 Block Diagram of 12V Power Circuits Type 100 Q067 and 24V 22 Figure 5 Generation of RLY UM anne 21 Figure 6 Block Diagram of 24v Power Circuits Type 300 Q069 22 Figure 7 Logic Circuits Block Diagram All Variants 25 Figure 8 Terminal Block Numbering eeeee 27 Figure 9 PCB Layout Type 100 Q067 and Type 300 12V Q068 28 Figure 10 Circuit Diagram 12V Computers Type 100 Q067 and 300 Q068 29 Figure 11 Circuit Diagram 24V Computer Type 300 0069 30 Figure 12 PCB Layout Type 300 24V 0069 31 4 Type100 300 Course Computer Service Manual 830512 Type 100 300 Course Computer Autohelm 1 Description This section of the Maintenance Manual covers all three vari
27. nd is applied as VPOWER to the clutch and motor drive cir cuits VPOWER is applied to FETs TR20 and TR21 through link LK3 Signal P3 4 is applied to TR18 which with TR19 drives FETs TR20 and TR21 to pro duce supply VDBL via C17 VDBL is up to 12V higher maximum voltage is limited by Zener diode ZD2 than VPOWER This supply is applied to transis tors TR22 and TR28 to ensure that FETs TR23 and TR27 are turned hard on when required by microcontroller signals P1 6 and P1 7 FETs TR23 TR26 TR27 and TR29 are arranged in a conventional bridge Type 100 300 Course Computer Service Manual 83051 2 19 Autohelm Type 100 300 Course Computer network to supply motor drive power via TB8 Clutch energisation is provided by FET TR38 via TB7 Drive transistor TR39 is supplied with VDBL to ensure that TR38 is turned on hard as required by microcontroller signal HP ENABLE VPOWER is fed to TR38 through link LK3 inthese versions of the PCB Resistor R82 and Zener diode 201 provide supply VREG to the motor drive transistors TR25 and TR30 to ensure that the gate voltage of FETs TR26 and TR29 never exceeds 12V The 5V supply is used by resistor chain R19 R20 R21 and R119 to produce VREF which is supplied to AD convertor IC3 as an input reference and to the fluxgate compass via TB11 as coil bias Relay Energisation Figure 10 Type 100 and Type 300 12V Circuit diagrams and Figure 4 Power Circuit Block Diagram contain relay energisation circu
28. ns 2 100 300 Course Computer Service Manual 830512 Type 100 300 Course Computer Autohelm Contents 1 PES HUNE 5 a 5 MAU c 5 2 OREl alone 5 2 DISASSEMDLY 6 4 Assembly nn 6 5 Functional nn nennen 9 5 1 Pre checked Equipment Required 9 5 2 Functional Test Procedure aisi ci 9 5 3 Functional Test Flowchart a anne 11 6 Product History ia 13 6 1 Q067 Type 100 nennen 13 6 2 Q068 Type 300 LAW deeds a ek er ir eel et ha e 13 6 3 0069 Type 300 24V anna de 14 7 Software History saxa viia aao RR 15 7 1 Q067 Type T 15 7 2 Q068 Type 300 12V odi s una cna 15 7 3 0069 Type 300 Wende 15 8 Spares Numbers 17 61 0067 100 PEE 17 8 2 0068 Type 300 1 12V ernennen 17 8 3 0069 300 BIN ae 18 9 Circuit Description vaan dE VR E aea a SERERE 19 9 1 Power SUPpIES Pr m PEN 19 Type 100 and Type 300 12 19 300 40068 VH alie 21 9 2 Signal Processing nee een 23 External Signal ne 23 Internal Signals nee 24 Type 100 300 Course Computer Service Manual 83051 2 3 Autohel
29. re 2 If not use Autohelm Course Computer Modification Kit Q098 to replace the old shape comb with a new shape comb 3 Toreplace the PCB 8 in the upper case 2 hold the lower case so that the location comb falls away from the insulation strip 3 Ensure that the lip of the location comb does not come out of the flange in the case 4 Position the PCB nextto the upper case 2 and bring the two together 50 FETs 13 are between the location comb 4 and the insula tion strip 3 Figure 2 detail 3 Ensure that the lip of the location comb 6 100 300 Course Computer Service Manual 830512 Type 100 300 Course Computer Autohelm An fis KC AAA WT 1 Terminal cover 2 Top case 9 PCB screw M2 5 off 3 Insulation strip 10 PCB Insulating strip 4 Location comb 11 Lower case 5 Location comb screw 2 off 12 Case screw M3 4 off 6 Fuse cover 13 FET 021311 Figure 1 Exploded View Type 100 300 Course Computer Service Manual 830512 7 Autohelm Type 100 300 Course Computer remains in the flange in the case 5 Insert and screw in the five M2 screws 9 to secure the PCB Tighten the location comb screws through the holes in the PCB 6 Press the insulating strip 10 over the legs of the connectors on the PCB 7 Positionthe lower case 11 over the upper case insert and tighten the four M3 screws 12 8 Replace the terminal cover 1
30. ual 830512 31 Autohelm Type 100 300 Course Computer 10 3 PCB Components Type 100 12V Q067 and Type 300 12V Q068 Surface Mount RESISTOR 8R2 5 125mw R36 55 85 86 89 132 133 RESISTOR 47R 55 125mW R43 RESISTOR 82R 1 125mw R20 RESISTOR 270R 1 125mw R8 9 82 119 RESISTOR 390R 5 125mw R26 37 38 40 41 48 RESISTOR 1K0 1 125mw R6 7 10 11 21 111 131 RESISTOR 1K2 1 125mw R19 71 72 73 74 RESISTOR 1K5 5 125mw R44 83 84 93 RESISTOR 2K2 5 125mw R27 35 50 67 69 79 81 121 122 128 RESISTOR 4K7 5 125mw R1 32 46 47 49 52 58 61 64 65 76 77 87 95 126 127 129 RESISTOR 5K6 1 125mw R4 5 16 18 97 110 112 116 123 124 RESISTOR 10K 5 125mw R2 14 15 23 24 29 34 39 42 45 51 59 60 68 80 113 114 RESISTOR 15K 5 125mw R30 66 70 75 78 RESISTOR 22K 5 125mw R28 RESISTOR 33K 1 125mw R17 94 117 RESISTOR 39K 5 125mw R25 31 33 RESISTOR 68K 1 125mw R12 13 22 62 63 115 118 RESISTOR 820K 5 125mW R120 RESISTOR 1M0 1 125 R53 CAPACITOR 22nF 596 X7R 1206 50V C3 CAPACITOR 1000pF 2 COG 50V C8 CAPACITOR 1000pF 5 COG 50V 11 32 Type 100 300 Course Computer Service Manual 83051 2 83051t5a Type 100 300 Course Computer Autohelm Surface Mount Type 100 12V 0067 and Type 300 12V 0068 ctd
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