Ultrasound Technologies Fetatrack 310 Service Manual Download Page 1

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Ultrasound Technologies Ltd

©Ultrasound Technologies Ltd, Lodge Way, Portskewett, Caldicot, South Wales NP26 5PS, United Kingdom.

T +44 (0) 1291 425425 F: +44 (0) 1291 427093 E: [email protected] W:

www.doppler.co.uk

Fetatrack 310

Service Manual

Issue 3

Summary of Contents for Fetatrack 310

Page 1: ...es Ltd Ultrasound Technologies Ltd Lodge Way Portskewett Caldicot South Wales NP26 5PS United Kingdom T 44 0 1291 425425 F 44 0 1291 427093 E ultratec doppler co uk W www doppler co uk Fetatrack 310 S...

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Page 3: ...k 4 Volume Up 4 Volume Down 4 US1 US2 Transducer Select 4 Toco Zero 4 Indicators and Connectors 5 Power On Indication 5 RS232 Output 5 Remote Patient Event Marker 5 Probe Connection 5 User Configurati...

Page 4: ...antling Procedure 19 Internal Layout 19 Circuit Description 20 Power supply Circuit 20 Ultrasound Circuit 21 Oscillator and Transmitter output 21 Receiver and Detector 21 Audio Amplifier 21 Signal Pre...

Page 5: ...425 Fax 44 0 1291 427093 EMAIL service doppler co uk This service manual contains circuit descriptions diagrams parts and spares lists for the FETATRACK 310 To maintain the FETATRACK 310 s performance...

Page 6: ...lure of basic insulation is provided by the connection of the chassis to the safety ground Safety grounding occurs only when the 3 wire cable and plug provided with the system are connected to a prope...

Page 7: ...lcohol or mineral oil as an acoustic coupling agent as transducer face and cable damage will occur ONLY use approved ultrasound coupling gels Symbols Used The following symbols are used on the FETATRA...

Page 8: ...will stop the recording Event Mark 1 Places an event mark arrow at the top of the FHR scale Volume Up This button is used to increase the audio volume level or in configuration mode to change user opt...

Page 9: ...The maximum voltage that can be applied to this output is 15VDC WARNING Any external equipment connected to this output must meet the equivalent MEDICAL safety standard to this product Connection mus...

Page 10: ...System is displayed You are then prompted to enter the date if different to that displayed To change the day and month press the Volume Up button One press advances the day by one pressing the Volume...

Page 11: ...n once You are then prompted to select the Data Block on or off The Data Block is printed at the start of each recording this function can be disabled by setting Data Block to off It changes from on t...

Page 12: ...erate the printer press the Recorder On Off button The printer will start to run and the chart speed will be shown in the LCD display To turn the printer off press and hold the Recorder On Off button...

Page 13: ...ducer observe the indicator which should be solid under the best signal conditions If this indicator is only showing an outline heart then this is an indication that the signal quality is not optimum...

Page 14: ...uterine activity The transducer plug is colour coded grey for ease of identification To monitor uterine activity plug the Toco transducer into the grey UA input socket The Toco transducer is sealed t...

Page 15: ...ow with an A is printed at the top of the trace and an audio alarm sounds Pressing either volume up or down can reset the alarm When set to Level the Fetatrack 310 monitors the average of the last 30...

Page 16: ...er Interpretation The following is intended only as a brief guide For a fuller explanation of the interpretation of chart records refer to suitable reference books During the antepartum period the Non...

Page 17: ...cific information on particular controls or operating modes WARNING Disconnect system from the power source before checking fuses and connections Check all connections and fuses Replace fuses with sam...

Page 18: ...volve your local service centre supplier or Ultrasound Technologies Ltd For advise on any damaged part contact them immediately Cleaning Enclosure Clean the exterior of the system with a soft dry clot...

Page 19: ...o Transducer Differential external pressure transducer Response 0 5 Hz Scale 0 100 Indicators LCD Toco numeric level indication Event Mark Hand held User operated Unit Front Panel User operated Alarms...

Page 20: ...Working temperature 10 C to 40 C Relative humidity 30 to 75 Storage Transport temperature 10 C to 70 C Safety Unit Designed to BS EN60601 1 1990 Electrical Designation Class 1 Type B Computer interfac...

Page 21: ...Kv 8KV Air Discharge 2KV 4KV 6KV Contact Discharge Repetition Rate 1second Effect was a FHR reading of 58 BPM Unit should be used in a low static environment Displayed rate is unlikely to occur when t...

Page 22: ...ff your waste equipment for recycling please contact your local waste disposal authority your household waste disposal service or the supplier where you purchased the product As a producer of electron...

Page 23: ...Cover can now be removed taking care to disconnect the earth bonding cable connecting the lid to the base and carefully disconnecting the front panel pcb interface cables The recorder and display modu...

Page 24: ...tor and alters the pulses transferred into the inductor to obtain a stable voltage output The output of U28 is 5V DC and U29 is 12V DC Pulses of current in to inductor L14 are also taken into a charge...

Page 25: ...2 Oscillator and Transmitter output L4 forms an oscillator with Q4 and its associated capacitors producing a sine wave drive at the required frequency This is fed via a high current output driver Q1 a...

Page 26: ...value or power envelope of the audio complex This signal is then passed to the A D converter stage of the cpu U8 for further digital signal processing Ultrasound Channel 2 Ultrasound 2 is identical in...

Page 27: ...d to CPU where an internal 8 bit A D converter with an 8 way multiplexed input converts the signals to digital form The converter accepts unipolar signals of 0 5 v The CPU interfaces with the display...

Page 28: ...isplay The microprocessor calculated rate value is passed as parallel bit values to the display module connected to the Display and Recorder interface board The display phase can be adjusred by VR1 to...

Page 29: ...ar panel of the FETATRACK 310 2 Turn monitor on The green front panel LED will illuminate 3 The display will first show the system selftest followed by the software revision This indicates the instrum...

Page 30: ...Connect the hand held remote event marker to the external mark socket Depress the button once and note that a half arrow is printed on the bottom of FHR recording Setting up the monitors The mode of o...

Page 31: ...ducer Fetatrack 310 Ultrasound 2 Transducer Circuit Data Control PCB Placement Diagram Ultrasound 1 Circuit Ultrasound 2 Circuit Digital Printer Control and user interface Circuit Power Supplies and A...

Page 32: ...tor Socket Redel ODU Yellow 1 500 0020 00 Connector Socket Redel ODU Blue 1 500 0021 00 Connector Socket Redel ODU Grey 1 500 0022 00 Socket Jack 0 25in 1 500 0044 00 Pillar M3x12 M F 2 500 0046 00 He...

Page 33: ...5 Plain St Steel A2 2 961 0041 00 Washer M2 5 Shakeproof St Steel A2 2 961 0042 00 Nut M2 5 St Steel A2 2 961 0026 00 Washer M3 5 Plain St Steel A2 4 961 0033 00 Screw M3x5 Pan Hd Pozi St Steel A2 2 9...

Page 34: ...1 223 0471 00 R1 Resistor MF 470R 1 0805 1 224 0022 00 R13 16 Resistor MF 2R2 5 1206 2 323 0103 00 C8 9 Cap Cer SM X7R 10nf 50V 20 0805 2 323 0104 00 C3 6 11 Cap Cer SM X7R 100nf 50V 20 0805 3 323 04...

Page 35: ...164 Cap Cer SM X7R 100nf 50V 20 0805 70 323 0473 00 C43 86 Cap Cer SM X7R 47nf 50V 20 0805 2 323 0333 00 C88 Cap Cer SM X7R 33nf 50V 20 0805 1 323 0103 00 C9 18 29 34 35 36 39 52 61 72 77 78 79 82 13...

Page 36: ...4 N1 1 431 9103 00 U3 7 24 IC Analogue SM X9C103S SO8 3 431 0336 00 U10 IC Analogue SM LM336M 2 5 SO8 1 533 0032 00 U9 Socket IC SM 32W PLCC 1 420 1004 00 D20 21 22 23 Diode SM 10BQ040 or SS14 SMB 4 4...

Page 37: ...0472 00 R34 72 144 150 151 154 155 Resistor MF 4K7 1 0805 7 223 0103 00 R5 20 21 22 23 24 35 38 43 58 59 60 61 62 73 76 83 85 86 87 97 99 101 10 4 106 114 115 116 126 131 153 160 161 162 167 170 173...

Page 38: ...r Right Angle 2 Way 1 500 0023 00 J9 Header Straight 2 Way 22 27 2021 1 500 0024 00 J11 13 fit on reverse Header Straight 4 Way 22 27 2041 2 500 0025 00 J1 2 14 Header Straight 6 Way 22 27 2061 3 500...

Page 39: ...106 00 Fetatrack 310 Main PCB FT310Ms1 PQ2109 Part Number Ref Description Quantity Per 800 0029 00 PCB Fetatrack 310 FT310ms1 1 Ultrasound Technologies Ltd 2006 feta310 main pcb Issue 1 ECN 240 Page 5...

Page 40: ...nector Plug Redel ODU Yellow 1 500 0061 00 Lemo Collett 5 2mm 1 600 0019 01 Cable 360 Transducer US1 US2 Seward Grey 2m lengths 1 800 0027 00 Crystal Set Seward Transducer consisting of 1pcs Pz27 Disc...

Page 41: ...0 Toco Adjustment Plate F360 Transducer F360D128 101 1 100 1137 00 Toco Beam Assy F360 Transducer includes hardware 1 100 1138 00 Label UA F360 Toco Transducer 1 500 0009 00 Connector Plug Redel ODU G...

Page 42: ...nector Plug Redel ODU Blue 1 500 0061 00 Lemo Collett 5 2mm 1 600 0019 01 Cable 360 Transducer US1 US2 Seward Grey 2m lengths 1 800 0027 00 Crystal Set Seward Transducer consisting of 1pcs Pz27 Discs...

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Page 44: ...I 9 I 4 11 8 LM324M U1 5 I 6 I 4 11 7 LM324M U1 3 I 2 I 4 11 1 LM324M U5 12 I 13 I 4 11 14 LM324M U1 10 I 9 I 4 11 8 LM324M U5 3 I 2 I 4 11 1 C36 10nF C18 10nF C29 10nF C9 10nF C35 10nF C34 10nF C39 1...

Page 45: ...4M U4 5 I 6 I 4 11 7 LM324M U4 3 I 2 I 4 11 1 LM324M U5 10 I 9 I 4 11 8 LM324M U4 10 I 9 I 4 11 8 LM324M U5 5 I 6 I 4 11 7 C79 10nF C61 10nF C72 10nF C52 10nF C78 10nF C77 10nF C82 10nF R81 10K R60 10...

Page 46: ...F C115 100nF C114 100nF C102 22pF C101 22pF R121 1K0 R120 1K0 J10 1 2 3 4 5 6 J5 1 2 3 4 5 6 J4 1 2 3 4 5 6 South Wales NP26 5PS UK Portskewett Caldicot Lodge Way ultratec 2003 Copyright Drg No Date E...

Page 47: ...11 1 2 3 4 C150 100nF C145 100nF C132 100nF C149 100nF C127 100nF C135 100nF C129 100nF C128 100nF C141 100nF R143 2K2 R140 2K2 R130 1K0 South Wales NP26 5PS UK Portskewett Caldicot Lodge Way ultratec...

Page 48: ...145 330K LM324M U32 5 I 6 I 4 11 7 LM324M U32 10 I 9 I 4 11 8 LM324M U32 3 I 2 I 4 11 1 LM324M U26 5 I 6 I 4 11 7 LM324M U26 3 I 2 I 4 11 1 LM324M U26 12 I 13 I 4 11 14 R168 10K R173 10K R176 10K R167...

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Page 50: ...Lodge Way ultratec 2003 Copyright Drg No Date ECN Issue Drawn Ultrasound Technologies Ltd Date of Sheet Name FT310F 1 1 1 C8 10nF C9 10nF R9 10K R8 10K R7 10K R6 10K R5 10K R4 10K R3 10K R2 10K R19 1...

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Page 53: ...signals acquired from the Fetatrack 310 main PCB and correspond to the Fetatrack 310 Power Supplies and Audio Circuit diagram Note images of digital signals that are directly linked to the microproces...

Page 54: ...Q13 gate Unit not printing Q13 gate Unit printing Q13 drain Unit not printing Q13 drain Unit printing U30 pin 1 Unit not printing U30 pin 1 Unit printing...

Page 55: ...U30 pin 2 Unit not printing U30 pin 2 Unit printing Q11 base Unit not printing Q11 base Unit printing Q11 collector Unit not printing Q11 collector Unit printing...

Page 56: ...Q12 collector Unit not printing Q12 collector Unit printing U28 pin 1 U28 pin 2 U28 pin 4 U28 pin 5...

Page 57: ...L12 pin 2 VCC U29 pin 1 U29 pin 2 U29 pin 4 U29 pin 5...

Page 58: ...L14 pin 2 15V Supply Rail D22 pin 2 D23 pin 1 Junction L15 pin 1...

Page 59: ...Q14 Collector Q14 Base Q14 Emitter 15V Supply Rail...

Page 60: ...U25 Pins 10 7 Image captured whilst stroking US1 transducer U25 Pins 10 7 Image captured whilst stroking US2 transducer U25 Pins 10 7 Image captured whilst stroking US1 US2 transducers simultaneously...

Page 61: ...aptured whilst stroking US1 transducer Use with US2 transducer will result in an equivalent signal U32 Pin 13 Image captured whilst stroking US1 transducer Use with US2 transducer will result in an eq...

Page 62: ...osed audio signal Audio signal level very low U27 Pin 9 DC level with superimposed audio signal Audio signal very low zoomed in image of audio signal U27 Pin 6 DC level with superimposed audio signal...

Page 63: ...he two Ul trasound circuits The service engineer should allow for signal differences on the transmit side of the circuit as US1 US2 transmit signals of different frequencies and amplitude Note images...

Page 64: ...ransmitter circuit Q1 Collector Pin 3 Transmitter circuit Q1 Emitter Pin 2 Transmitter circuit L2 Pin 1 Vrf1 10V Supply rail Transmitter circuit L2 Pin 3 Transmitter circuit L2 Pin 4 Transmit signal U...

Page 65: ...Receiver Circuit L1 Pin 4 RxSig1 Receiver circuit L1 Pin 1 Q3 gate Receiver Circuit Q3 Drain Receiver Circuit Q3 Source Receiver Circuit Q2 Drain Receiver Circuit Q2 Gate...

Page 66: ...an be observed when stroking transducer Receiver Circuit U1 pin 2 Stroking Transducer Receiver Circuit U1 pin 3 Stroking Transducer Receiver Circuit U1 Pin 1 Stroking Transducer Receiver Circuit U1 Pi...

Page 67: ...ut viewing very little response Receiver circuit U1 pin 8 Stroking transducer Receiver Circuit U5 Pin 2 Stroking Transducer but viewing very little response Receiver Circuit U1 Pin 13 Stroking Transdu...

Page 68: ...rcuit U5 Pin 14 Stroking Transducer Receiver Circuit U5 Pin 12 Stroking Transducer Receiver circuit U5 Pin 1 Stroking Transducer Receiver Circuit U2 Pin 6 Stroking transducer but viewing very little r...

Page 69: ...Circuit U2 Pin 3 Stroking Transducer Receiver Circuit U2 Pin 1 Stroking Transducer Receiver Circuit U2 Pin 7 Stroking Transducer Receiver Circuit U2 Pin 13 Stroking Transducer but viewing very little...

Page 70: ...Receiver Circuit U2 Pin 9 Stroking Transducer but viewing very little response Receiver Circuit U2 Pin 8 Stroking Transducer...

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