Parts list ...........................................................................................................................................26
2
Important Information
Safety notices
CAUTION:Electrostatic discharge
The S1(G) course computer contains electrostatic sensitive components. Always observe the
appropriate precautions when handling, shippi ng and storing this product. Failure to do so coul d
result in permanent damage to the equipment.
CE marking of equipment/replacement parts
If the Raymarine equipment under repair, test, calibration, installation or setting to work carries the European CE mark,
only parts and components supplie d or approved for such use by Raym arine should be used in order to maintain
compliance with the relevant CE requirements .
Incorporation, use or attachment, by any means, of parts or components not supplied or not approved for such use by
Raymarine or , if supplied or approved for use by Raymarine, not properly fitted in accordance with instructions published,
provided or recommended by Raymarine, may cause the equipment to malfunction and in particular , to become unsafe or
to no longer meet the relevant CE requirements. In these circumstances, Raymarine 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 omissions.
3
EMC conformance
All Raymarine equipment and accessories are designed to the best industry standards for use in the recreational marine
environment.
The design and manufacture of Raymarine equipment and accessories conform to the appropriate Electromagnetic
Compatibility (EMC) standards, but correct installation is required to ensure that performance is not compromised.
Waste Electrical and Electronic (WEEE) Dir ective
The WEEE Directive requires the recycling of waste electrical and electronic equipment. Whilst the WEEE Directive does not
apply to some of Raymarine’ s products, we support it s requirements as par t of our environmental policy and we ask you to
be aware of how you should dispose of this product. T he crossed out wheelie bin symbol found on our products signifies
that it should not be disposed of in general waste or landfill. Please contact your local dealer, national distributor or
Raymarine Technical Services for information on product disposal.
Technical accur acy
The technical inf ormation contained within th is Service Manual, to the best of our knowledge, w as correct at the time of
writing. However , Raymarine cannot accept liability for any inaccuracies or omissions it may contain.
In addition Raymarine’ s policy of continuous product i mprovement may change specifications without notice . As a result
Raymarine cannot accept any liability for any differences between the product and the manual.
Warranty
This unit contai ns no serviceable parts, if the unit has failed replace PCB or rate gyro as necessary.
4
Introduction
This manual describes the service and maintenance procedures for the Raymarine type S1 and S1G Course Computer .
General description
The Course Computer processes information from the sensors in the autopilot system so it can steer the boat using the drive
unit. The Course Computer assembly consists of a plastic case, a printed circuit board (PCB). T he PCB carries a
microprocessor , electronic circuitry to control the drive unit, a power amplifier for the drive motor and a connector block for
all inputs and outputs.
T ype S1G assembly drawing
ItemDescription
1.Rate giro (Murata)
2.Ring ferrite
3.Connector cover
4.Housing
5.Fuse (Power in) - 15 A
6.PCB assembly
7.Fuse (SeaTalk) - 2A
1
3
4
2
5
7
6
D8595-1
Spares
ItemSpare /AccessoryPart NumberComments
3
4
5
7
6PCBless gyro
1GyroA18069Kionix - from Aug. 2005 (Revision E PCBs)
Connector cover
Housing
Fuse 15 A
Fuse 2 A
5
6
Functional tests
Introduction
This section de scribes how to complete basic functiona l tests on the Course Computer aiding fault diagnosis .
Equipment and tools
• ST6001/2 Control Head
•Rudder Reference
• Fluxgate Compass
• C/E Series unit
• DVM (Digital Volt Meter)
• 12V dc 10A PSU (Power Supply Unit)
• Type 1 pump
• A conventional 330 Ohm resistor , rated at 1 Watt
Initial inspection checks
Before applying power to the Course Computer carry out following visual inspections:
1. Remove the connector cover, the PCB retaining screw and slide the PCB out of the case.
1. Check that the two fuses, F1 (15A), F2 (2A) are the correct rating and not blown.
2. Visually inspect the PCB for any obvious signs of component damage or blackening, paying particular attention to the
FETs and main power components .
3. Check that capacitor C43 polarity is correct (see Tech Update TU228 on page 14)
4. Check that resistance value of R18 matches the requirement of the gyro fitted (see Tech Update 332 on pa ge 16)
Rate gyro connection
The plug is designed to fit one way into the socket. Check the plug is correctly inserted and fully seated.
Detailed diagnosis
Before starting testing ensure that the following are connected to the Course Computer:
• Fluxgate compass
• Rudder reference
•Control Head
• 330 Ohm resistive load to the clutch terminals
• C/E Series display connected via NMEA 1 (do not connect the C/E Series unit via SeaTalk)
Unless otherwise stated, the following tests should be carried out with 12V applied to the Course Computer.
If the unit fails any of the following diagnostic checks (except Step 3), return the PCB to Raymarine and obtain a service
exchange unit. Component level replacement must only be carried out by the factory .
Step 1 - Power checks
Check the voltages at the following locations are correct:
Test point Voltage
+5V-DIG4.9 V - 5.1 V
HD-PWR11.95 V - 12.05 V
PWR-0V0 V
7
Voltage test-point
locations
Step 2 - System checks
1. Check that the display shows a compass heading (the actual heading displayed is unimportant at this stage) and that a
rudder angle bar is displayed. This confirms that the Seatalk communications are functioning correctly.
Note:
From October 2005 revision E PCB s have Verado software installed. This software does not require an external rud-
der reference device. In standby mode the rudder reference bar will not be displayed.
+ 5V-DIGHD-PWR PWR-0V
8850-1
Step 3 - Rate gyro
1. Using a DVM, measure the voltage at the rate gyro terminals (black and yellow leads). If the rate gyro is serviceable, the
nominal reading is 2.5 V ± 0.1 V .
2. With the multi meter still connected, turn the Course Computer slowly, first clockwise, then anticlockwise .
3. If the rate gyro unit is functioning correctly, the voltage should increase (from 2.5V) as the Course Computer is turned
in one direction and decrease (from 2.5V) as it is turned in the opposite direction.
If the signal levels are unstable or outside tolerances, replace the gyro (Refer to T ech Update TU232).
Step 4 - Compass
1. With the compass unit connected to the Course Computer, rotate the compass through 90º as shown below .
2. Slowly rotate the compass clockwise through 360º. As the compass is turned, check that the displayed heading
increases with no sudden changes in the reading (If the rate gyro is f itted, also rotate the Course Computer).
Compass check without rate gyro
Hold the compass with the cable protruding
downwards and rotate through 90º
Check the control head display recognises the change
Repeat until the compass is rotated through 360º
Compass check with rate gyro
Hold the course computer and
compass, then rotate through 90º
Check the control head display
recognises the change
Repeat until the compass is
rotated through 360º
Vertical
Vertical
D8874-1
8
Note:
Ensure that you hold the compass with the cable protruding downwards.
Step 5 - Rudder Reference
1. Check that the rudder offset value is set to zero. (T o adjust, use the Dealer Calibration screens.)
2. Move the rudder reference into the central position.
3. Check that the rudder bar on the display is in the central position.
4. Move the rudder reference to the left and check that the rudder position bar on the display moves to the left.
5. Move the rudder reference to the right and check that the rudder position bar on the display moves to the right.
Note:
If the rudder bar display moves the wrong way, turn off the power, reverse the red and green wires connected to the
RUDDER inputs on the Course Computer, switch on the power and re-check.
Step 6 - Clutch (Auto)
1. Ensure that the rudder reference is in the central position.
2. Press AUTO
3. Measure voltage at clutch terminals (12 V nominal), then proceed to Step 7.
Step 7- Clutch (Standby)
1. Press STANDBY
2. Measure voltage at clutch terminals. If the voltage is 0 V , proceed to Step 8
Step 8- H-Bridge
1. Press AUTO.
2. Press +10 twice, the motor should spin.
3. Press STANDBY, the motor should stop.
4. Press AUTO
5. Press -10 twice, the motor should spin in the opposite direction
6. Measure HD-PWR whilst the motor is running (Check this against the table in Step 1).
Step 9 - NMEA
RECEIVE
1. Enter a new waypoint into th e C/E Series unit.
2. Perform a "Goto Waypoint" command on the C/E Series unit.
3. Verify that the waypoint information has been sent to the Course Computer by viewing the XTE, DTW and BTW data
pages on the Control Unit.
TRANSMIT
Check that the heading displayed on the C/E Series unit matches that of the Autopilot.
Step 10 - EEPROM T est
This test checks that the calibration settings are being stored correctly .
1. Using the calibration screens, change the Drive Type to a different v alue.
2. Save the setting and exit calibration.
3. Remove and re-instate power to the Course Computer .
4. Verify that the new drive type is still active.
Disassembly and reassembly
CAUTION:Electrostatic Discharge (ESD)
This product contains components that can be damaged by electrostatic discharge .
If the cover is removed, any work on the product must be carried out at a pr operly equipped antistatic station by personnel wearing anti-static straps .
Tools r equired
T o assemble/disassemble the Course Computer you will need:
• 3 mm Allen k ey
• cross-head screwdriver
Disassembly/reassembly
9
Remove the connector cover
Remove the PCB retaining screw
Slide out the PCB
Unplug the rate gyro connector from
the PCB
Remove the gyro retaining screws on
the rear of the PCB (retain the screws
and plastic pillars)
10
Software
Software history
VersionChange
3.04Fixes loss of calibration items
Software upgr ade
The T ype S1(G) Course Computer has the ability to implement software upgrades via the NMEA port connected to a PC
running Windows 9x or NT 4.0. This section describes the upgrade procedure.
A PC or laptop with an RS232 port is required, together with a custom serial download cable .
The laptop software comprises three files plus the downloadable file.
Note:
It is very important that during the actual file transfer that power is not removed from the Course Computer. If power
is lost, only a partial tra nsfer will take place and will render th e unit inoperable. In this case the uni t will have to be returned
to Raymarine.
RS232 connections
Download procedure
1. Power Off the Course Computer and connect a cable as shown to the PC's serial port.
2. From the PC, run the programme SWDL 4 Windows.exe.
3. From the menu select File>Open CC115K1.INI if using com port 1 or CC115K2.INI if using com port 2.
4. Power Up th e Course Computer . Y ou sh ould now see RED and BLACK messages on the scrolling down the screen.
Red Yellow
ScreenBlue
GreenScreen
RS232
12345
Red Yellow
Screen
TE GYROFLUXGATE
9876
SmartPilot computer terminals
BlueRed
Green
Pin 2 Rx
Pin 3 Tx
Pin 5 GND
NME
Red
YellowScreen
SeaT
ARUDDERRA
alk
SeaT
YellowScreen
Red
alk
CLUTCH
D8592-1
11
5. Make sure that every other line is a red ’A CK’ as shown below. If it is not, power off the course computer and then power
it on again.
6. Select Download and click on Download application.
7. In the dialog box, select *.BIN file required for download.
CAUTION:DO NOT SWITCH OFF POWER TO THE COURSE COMPUTER DURING THE FILE DOWNLOAD!
8. The Download will take 30 seconds to 1 min and the message Download Successful will be displayed.
9. Power OFF the Course Computer and disconnect the download cable.
10. The so ftware upgrade is no w complete and the Course Computer is ready for u se.
12
Product history
Technical updates
UpdateTitle
TU228Fluxgate Compass Circuit Fault
TU232Introduction of new “Kionix” Rate Gyro module
PCB 3015-286 issue E (Aug 05)
13
Ref: Tech note TU232
resistor value 113k (Kionix gyro)
SmartPilot S1 & S1G Course Computers, Corepacks &
Systems
Serial Number(s): All
Subject
Please be advised that infield feedback has highlighted a potential fluxgate compass circuit fault, which can affect current
S1 and S1G SmartPilot course computers.
The fault will cause the compass heading to drift, jump segments or show large inaccuracies.
The fault is associated with the wrongly reverse placement of the fluxgate drive AC coupling capacitor C43. The fault
does not affect all S1 Course Computers and is only triggered when the tolerance of the capacitor is at the limits of its
value specification.
The following service procedure should be taken to rectify faulty units:
¾Follow procedure over.
¾Remove PCB from Course Computer Case
¾Locate C43 Capacitor
¾Unsolder & remove from PCB
¾Replace and re-solder in reverse (see diagrams)
¾Replace PCB into case
¾15mins labour per unit can be claimed against warranty
¾For onboard service follow the normal warranty claims procedure
For further information contact Raymarine’s Technical Services Department.
Due to obsolescence of the earlier Murata type Gyro, a new Rate Gyro module (Kionix) has now been
introduced into production SmartPilot Course Computers. The list above indicates start serial numbers.
Improved high speed Performance:
The introduction of the Kionix Gyro will in some cases improve the high speed steering performance of
vessels fitted with the G version pilots.
Service Requirements - Course Computer back compatibility:
The application of the new Kionix gyro requires a modification to early Course Computer PCB’s by way
of a change of resistor values. (See diagrams).
S1G Pilot
Change R18
Murata Gyro 100k (0603)
Kionix G
ro 113k (0603
Gyro assembly onto PCB:
The new Kionix Gyro is mounted onto the PCB in the same orientation as the Murata Gyro. With the
Course Computer upright (connector strip at the bottom), the Gyro should be secured to the PCB with the
Gyro loom & connector uppermost.
Replacing faulty Murata Gyro with new Kionix Gyro on early Course Computer PCB:
S1G - Replace R18 with 113K Resistor, secure and connect Gyro as above.
S2G/S3G/150G/400G - Replace R145 & R147 with 11.3K Resistor, secure and connect Gyro as above.
Replacing faulty Course Computer PCB with new modified PCB and retaining early Murata Gyro:
S1G – Replace PCB and change R18 with 100K Resistor secure and connect Gyro as above.
S2G/S3G/150G/400G – Replace PCB and change R145 & R147 with 10K Resistor, secure and connect
Gyro as above.
Service Spares:
Gyro service spares will be supplied with the appropriate resistors, therefore it is strongly recommended
to check resistor values against the Gyro type when servicing the Course Computer.
C1, C 2, C 96CAPACI T OR Y 5 V 1206 1uF 50V
C3, C 15, C 26CAP. 680uF, 50V RADIAL
C4, C 5, C 6,C7CAPACI T OR 2. 2 nF 0603
C8, C 65CAPACITO R 220pF 25V -20/ +50%
C9,C10,C16,C17,C18,C19,C20,C22,C24,C25,C27,C30,
C32,C35,C44,C48,C49,C50,C72,C74,C76,C82,C92,C93
C11CAP. 10nF XR 7
C12CAPACITO R 470uF 10V + /-20%
C13, C 62CAPACI T OR 0.01uF, X7R
C14, C 28, C 34,C75,C77CAPACI T OR 10uF, 16V DC ELEC T
C21CAPACI T OR 1000pF, 0805
C29, C 31,C105CAP 100uF 25V +/- 20%
C33, C 84,C87CAPAC ITO R 470pf 100v +-5% 0805
C36, C 37, C 38,C51,C52, C 53,C60, C 61,C63,C67CAPACI T OR 1nF 0603
C42, C 64CAPACI T OR 100nF, 0603
C43CAPACI T OR 2. 2 uF
C45, C 66, C 73C APACITO R 100uF E LEC T . 6. 3V DC
C46, C 47, C 108,C98,C109, C 111,C112,C113, C 114,C23CAP. S M, 100pF ,50V,5%, 0603
C68, C 69, C 70,C71,C106, C 107CAPACI T OR 1nF 0603
C78CAPACI T OR 47pF CO G
C79CAP. S M, 68pF ,50V,5%, 0603
C80, C 81, C 85,C86CAP. 100NF 100V
C83, C 100CAPACITO R 220uF ELECT 50V 20%
C94CAP ELECT 470uF 25V RADIAL
C97, C 99CAPACI T OR 0. 1 uF , 1206
C115, C 104,C116CAP 1uF 63V PE S T
C117CAP. SM 2. 2nF 25V 1206
D1,D2,D3,D4TRIPLE DI O DE ARRAY - ISOLATED
D5,D7, D10,D12,D16,D25DIO DE S O T 23 B AS 19
D6,D27,D29,D8,D9DIO DE R E C T IFIER 1A / 100 V
D11,D17,D21BAV99 DIODE
D13,D20,D22,D23,D26,D285V1 ZENER
D18,D32, D33,D34BZX84C 18 ZE N ER DIO D E
D19BAW56LT1 DIODE
D24SCHOT TKY RECTI FIER(30W Q03FN)
D315V1 ZENER
F1,F2AUTOMOTIVE FUSE CLIP
IC1QU AD 2 INPUT NAND
IC 2QUAD AND G AT E - S N74HC08D R
IC3QU AD NOR 74HC02
IC5SCHMITT TRIGGER IC
IC 6CU RRE N T SENSE AM P.(M AX 4173)
IC 8,IC 14QUAD COMPARATO R
IC9TLC27M2CD
IC 10,IC 11VOLT . RE G . - LM 317MDT
IC 13,IC 20QUAD OP-AM P LM 324
IC16RESET CONTROLLER S24O22 +2KMEM
IC 19FLASH MICRO ( uPD70F3079)
IC 22IC 74HC 4051
ISO3OPTO SWITCH - HCPL-0701
L1,L2, L6, L7, L8, L9, L10, L11,L14,L15, L17CHIP INDUCT O R
L13,L18, L24CHIP FE R R ITE BEAD BLM21 SERIES
L19,L22,L29,L33,L34,L36,L37,L39,L40,L41,L42,L43,L45,L
46
L25COMM. MODE CHOKE(10AMP)
L26,L27, L31, L32,L38IN DUCT OR - E C 24-100K
L3,L4,L5,L12CHIP FERRITE BEAD BLM21 SERIES
L30INDUCTOR 5A COMM ON MODE
L35,L51FERRITE(294666631)
CAPACI T OR 0.1uF, 1206
CHIP INDUCTOR
ReferenceDescription
L44CHI P I N DUCT OR( B LM 18AG121SN 1D)
L47,L48, L49, L50, L52CHIP INDU CTOR
LK224 SWG WIRE LINKS BANDLIER
PL1PCB CONNECTOR(DBC 2 2.5 3 T)
PL2RF GROUND TAG
R1, R3, R 6,R8 , R9,R11,R12, R 12 0,R129RES IST O R 22R 1% 0.063W 0603
R2RES IST O R 8R2+-5% 0805 0.1W
R4, R13, R 115RESISTOR - 82 O HMS 1% 06 03
R5, R14, R 39RES IST O R 10R, 1206
R7, R10RES. 100R, 1%, 0.063W, 0 603
R15RES. 330R(R O X3S 330R )
R18RES 113K 1% 0603
R19RES. 270R, 1% , 0. 063W, 0603
R20,R27RES IST O R 47K,1% 0.063W 0603
R21,CHIP RE S IST O R - LR2512
R22,R90,R92,R93RES IST O R 39K,1% 0.063W 0603
R25,R160,R171RES IST O R 1M ,1% 0. 063W
R26,R94,R131,R137RES . 10 0K , 1%, 0.063W, 0603
R28,R36,R37,R72,R154,R187RES IST O R 47K,1% 0.063W 0603
R31RESIS T OR 180R 1% 0.063W
R32,R33RES IST O R 470R , 1206
R34RES. 820R, 1% , 0. 63W, 0603
R35,R69,R70,R113RES. 270R, 1%, 0.063W, 0603
R38,R73RES IST O R 2. 2K,1% 0.063W 0603
R43RESIS T OR - 680 O HMS 1% 0603
R45,R49,R152ZERO OHM LINK, 0603 PACK AGE
R46,R54,R55,R89,R134,R135,R144,R153RES IST O R 4. 7K,1% 0.063W 0603
R48,R116RESISTOR - 1K 2 1% 0603
R52,R16,R29,R30RES IST O R 47R, 1206
R53,R62,R63,R64,R65,R112RES IST O R 1. 5K,1% 0.063W 0603
R56,R58,R71,R77RES IST O R 10K,1% 0.063W 0603
R59,R60,R85R ESIS T OR 8R2, 1206
R61RESIS T OR 1R0, 120 6 0.25W
R66,R67,R68,R140,R141RESI STO R 33K,0.063W,0603
R74,R78,R79R ESIS T OR 2.2K , 1% 0 .063W 0603
R76,R86,R122RES . 22K,1%,0.063W,0603
R80,R81,R95,R125,R126,R136,R142,R143,R147,R151,
R87,R121,R130RES IST O R 15K 1% 0.063W 0603
R88,R107,R108,R109,R123RESIS TOR 1.0K ,1% 0. 063W 0603
R91,R110,R111,R156,R157RESIS TOR 68 K ,1% 0.063W 0603
R114,R138,R139RES IST O R - 5K 6 1% 0603
R119RESIS T OR - 820 K 1 % 0603
R127,R132,R133,R155,R161,R174RES IST O R 1. 0K,1% 0.063W 0603
R158,R17RESISTOR 4.7K , 1% 0.063W 0603
R166,R167,R168,R169,R186,R159RES IST O R 10K,1% 0.063W 0603
RLY 1CLOSED FRAM E RELAY( V 23076A)
RN1RESISTOR N ETWOR K
RN 2,RN3RE S . NE T WOR K 2K2( MNR34)
SKT1,SKT4POWER CONNECTOR(10A)
SKT2WAGO CONNECTOR BLOCK(24 WAY)
SK T 31 x 12 WA Y HEADER - AMP
TR1,TR2,TR3, TR4SM FET(IRFZ48NS)
TR5EC868
TR 6,TR 7HALF-B R IDGE DR IVER
TR8,TR11,TR12,TR16,TR17,TR20,TR24,TR27BC817
TR10,TR19,TR28BC807
TR 13, T R18,T R25DIGI T AL TRANS IST O R AR RAY
TR 142N7002 MOSFE T
TR15DUAL TRANSISTOR ARRAY
RES IST O R 10K,1% 0.063W 0603
27
28
ReferenceDescription
TR21,TR22DUAL TRANSISTOR ARRAY
TR23SWITCHING MOSFET(N-CHANNEL)
TR 38MOSF E T ( IRF7406TR ) - POWE R FET
V1,V2VARISTOR TYPE GE V22ZT1
XTL214.0MHz CR YST AL(HC 49/ 4HSMX )
AUTOMOTIVE FU SE - 15 AMP
AUTOMOTIVE FU SE - 2 AMP
SMARTPILOT SM ASSY
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