Mindray Trio Service Manual
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Mindray Trio Service Manual

Datascope portable patient monitor
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S e r v i ce M a n u a l
0070-01-0591-02_revB_Trio srv color.indd 1
3/10/10 5:36:48 PM

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Summary of Contents for Mindray Trio

  • Page 1 S e r v i ce M a n u a l 0070-01-0591-02_revB_Trio srv color.indd 1 3/10/10 5:36:48 PM...
  • Page 2 S e r v i ce M a n u a l...
  • Page 3 ® Masimo SET is a U.S. registered trademark of Masimo Corp. Copyright © Mindray DS USA, Inc., 2008. All rights reserved. Contents of this publication may not be reproduced in any form without permission of Mindray DS USA, Inc. 0070-10-0591-01...

  • Page 4: Table Of Contents

    TEMP ..............................2 - 14 IBP................................. 2 - 14 Parts ..........................3 - 1 Exploded Views of the Trio Monitor........................3 - 1 Parts Listing ..............................3 - 12 Repair Information ......................4 - 1 Introduction ..............................4 - 1 Single Temp Cable Assembly ...........................
  • Page 5 ECG Cable ESIS and Non ESIS ........................4 - 17 ECG Shielded Lead Wires ..........................4 - 18 Trio Wall Mounts and Rolling Stand ........................4 - 20 Appendix ......................... 5 - 1 System Alarm Prompts ............................. 5 - 1 0070-10-0591-01 Trio™...

  • Page 6: Foreword

    Introduction Foreword This service manual gives a detailed description of the Trio Portable Patient Monitor, including, circuit descriptions, test procedures and a spare part listing. This manual is intended as a guide for technically qualified personnel during repair, testing or calibration procedures.
  • Page 7 Introduction Warning This page intentionally left blank. 0070-10-0591-01 Trio™ Service Manual...

  • Page 8: Theory Of Operation

    Theory of Operation Introduction The Trio portable patient monitor uses a parameter module as the basis for acquiring patient data. The results are transmitted to the main control board to process and display the data and waveforms. CPU board commands and status messages of modules are transmitted via databus.
  • Page 9 , ECG/RESP/TEMP and IBP through the use of blood pressure cuffs and patient cables. The patient data is transmitted to the CPU board for display. When required, data may be printed out via the recorder. 1 - 2 0070-10-0591-01 Trio™ Service Manual...

  • Page 10: Hardware Overview

    FIGURE 1-2 Connection Diagram 1.2.1 Power Supply Board (Lead Acid Battery) P/N 0671-00-0235 Trio power supply board specifications: • AC input voltage:100~250 VAC • AC input current: <1.6 A • AC voltage frequency: 50/60 HZ • Two-way output voltage: 5 V/12 V, normal working current is 1.5 A for 5 V, 2 A for 12 V •...
  • Page 11 REC POWER SOURCE Power on/off control circuit Battery Charging 12V output Management Circuit FIGURE 1-3 Block diagram of Trio power supply board Key Test Points NAME LOCATION FUNCTION Rectified voltage Primary rectified voltage, range: 107~354 V RTN1 C12 negative Primary ground...

  • Page 12: Power Supply Board (Lithium Ion Battery)

    SOURCE Power on/off control circuit Li-ion Battery and Charging 12V output Managerent circuit FIGURE 1-4 Block diagram of Trio power supply board Key Test Points NAME LOCATION FUNCTION Oscillator Pin 4 of U1 Generate a oscillating frequency about 100kHZ frequency...

  • Page 13: Cpu Board (Main Control Board)

    3.3 V and 2.5 V working supplies are respectively generated. Among them, 2.5 V is to be used for the internal verification of FPGA. *Applies to P/N 0671-00-0056. 1 - 6 0070-10-0591-01 Trio™ Service Manual...

  • Page 14: Detailed Description

    PP1 of CPU is used to realize write-protection of FLASH. It is effective in low-level state. *Applies to P/N 0671-00-0056. DRAM The Trio CPU main control board uses two parallel-connected 1M x 16 DRAM, which construct 4M address space. Trio™ Service Manual...
  • Page 15 Lithium battery voltage: +3 V CPU master clock: 54 MHz FPGA and display clock: 38 MHz Network chip clock: 25 MHz /RST System reset signal /NINT Network chip interrupt signal Signal indicating successful FPGA configuration 1 - 8 0070-10-0591-01 Trio™ Service Manual...

  • Page 16: Keypad Board

    Power input, range: 4.8~5.1V P4.5 Power supply and signal ground U1.1 CPU reset signal. At low level (<0.3V) when operating normally Crystal oscillator X1.1, X.2 CPU crystal oscillator. Sine wave (1.5~3.5V) when operating normally Trio™ Service Manual 0070-10-0591-01 1 - 9...

  • Page 17: Keypad Board

    • Communicates with main board. Audio Process Circuit Generates audio signals to drive the speaker. Watchdog • Upon power-up, supplies Reset signal to CPU; • Provide functions of Watchdog Timer Output and voltage detection. 1 - 10 0070-10-0591-01 Trio™ Service Manual...
  • Page 18 The Keypad Board's CPU is responsible for the following functions: • Detects keypad and encoder input signals • Controls LED status • Controls Audio Process Circuit • Regularly zeroes Watchdog Timer • Communicates with main board. Trio™ Service Manual 0070-10-0591-01 1 - 11...

  • Page 19: Thermal Head

    FIGURE 1-9 Block Diagram of TR60-C drive board 1.2.7.1 Detailed Description Thermal Head The thermal head, the core component in the TR60-C recorder, is the PTMBL1300A thermal head, manufactured by the ALPS company. 1 - 12 0070-10-0591-01 Trio™ Service Manual...
  • Page 20 Power and signal ground U7.8 Power supply for heating thermal head and drive motor: 7.8 V~8.4 V U1.14 +5 V supply: 4.75~5.25 V RESET U3.10 CPU reset signal. At high level(>2.4 V) after power-on Trio™ Service Manual 0070-10-0591-01 1 - 13...

  • Page 21: Serial Interface Converter Board

    Host P .C .B. P 11 P17(FOR 509C) FIGURE 1-10 Serial Interface connection diagram TTL Level RS232 Level Converter Board RS232 Converter chip DB9 Socket FIGURE 1-11 Block diagram of Serial Interface Converter Board 1 - 14 0070-10-0591-01 Trio™ Service Manual...

  • Page 22: Parameter Circuit Descriptions

    The RESP module is made up of a respiration circuit board and a coupling transformer. The circuit includes stages such as: oscillation, coupling, demodulation, preliminary amplification and high-gain amplification. Trio™ Service Manual 0070-10-0591-01 1 - 15...

  • Page 23: Nibp

    It is a continuous, non-invasive, method based on the different absorption spectra of reduced hemoglobin and oxyhemoglobin. It measures the amount of light that is transmitted through patient tissue (such as a finger or an ear). 1 - 16 0070-10-0591-01 Trio™ Service Manual...

  • Page 24: Temperature

    In this way we can obtain the waveform of the dynamic pressure inside the vessel. Systolic, diastolic and mean pressures are calculated by using an algorithm. Trio™ Service Manual 0070-10-0591-01 1 - 17...
  • Page 25 Parameter Circuit Descriptions Theory of Operation This page intentionally left blank. 1 - 18 0070-10-0591-01 Trio™ Service Manual...

  • Page 26: Calibration/Maintenance

    Calibration/Maintenance Calibration Introduction The following procedures are provided to verify the proper operation of the Trio Monitor. A menu driven interface is used to execute all verification tests. Warnings and Guidelines In the event that the instrument cover is removed, observe these following warnings and general guidelines: 1.

  • Page 27: Calibration And System Checks

    Calibration and System Checks 2.4.1 Device Appearance and Installation Checks Inspect the Trio Monitor to ensure that: • The outer housing of the device is clean and has no scratches or cracks • When shaking the device, there are no loose components •...
  • Page 28 Calibrations Calibrations should be performed at least once a year. Calibrations should also be performed after any preventive maintenance or repair of the Trio Monitor. From the MAINTENANCE menu make the following selections to perform each specific calibration or check.
  • Page 29 1. Connect a Pressure Transducer Interface Cable from a Pressure Transducer (Figure 2-3) to the IBP socket on the right side panel of the Trio 2. Open 3-Way Stopcock to atmosphere. 3. Perform zeroing procedure by selecting the IBP parameter menu, then selecting IBP ZERO tile.
  • Page 30 Customer Service. PRESSURE OVER RANGE, FAIL Check that you have selected appropriate transducer value in IBP CAL, then proceed with calibration. If message does not clear contact Customer Service. Trio™ Service Manual 0070-10-0591-01 2 - 5...
  • Page 31 NIBP CAL Connect a test chamber (P/N 0138-00-0001-03) and a calibrated digital mercury manometer with bulb via T fitting to the NIBP quick connect fitting of the Trio Monitor (Figure 2-5.) 1. From the MAINTENANCE menu select NIBP CAL. The selected tile will now read STOP CAL.
  • Page 32 1. Connect a test chamber (P/N 0138-00-0001-03) to the NIBP quick connect fitting on the Trio Monitor (Figure 2-7). 2. From the MAINTENANCE menu, select NIBP PNEUMATIC. The NIBP pump will begin to run and the message STOP PNEUM will appear in the selected tile. The user may select this tile at any time to end the test.
  • Page 33 From the MAINTENANCE menu select each tile to access specific technical information or settings. Version: This menu will display the current version of the unit's software. FIGURE 2-8 Version Menu* *Applies only to host software version 02.01.00 and greater. 2 - 8 0070-10-0591-01 Trio™ Service Manual...
  • Page 34 Selections are enabled or disabled by checking or unchecking the box which corresponds to each item in the menu. NOTE: IBP and 2ch. Temp should not be enabled simultaneously. *Not available for domestic units. Trio™ Service Manual 0070-10-0591-01 2 - 9...
  • Page 35 Demonstration mode the word DEMO will be displayed on the screen at all times. This menu is enabled with an access code and should be used for demonstration purposes only. FIGURE 2-11 Demo Menu 2 - 10 0070-10-0591-01 Trio™ Service Manual...

  • Page 36: Safety Tests

    4. On the safety analyzer, depress the APPLY 115 VAC button and note the reading. 5. Repeat the test for normal and open ground polarity combinations. 6. Verify the current readings of the test are <50µA under a single fault condition. Trio™ Service Manual 0070-10-0591-01 2 - 11...

  • Page 37: Testing Each Parameter

    7. Check if the displayed ECG and RESP waveforms, HR and RR values are consistent with the parameters set up on the simulator. 8. Remove ECG lead. In this condition, the Trio should immediately alarm and display ECG LEAD OFF at the top right side of the Message Area.

  • Page 38: Spo

    2.5.2.2 Test Procedures 1. Use polyurethane tubing to connect the Trio Monitor to a calibrated NIBP simulator and an NIBP Dummy Cuff/Test Chamber (P/N 0138-00-0001-03) via a T fitting. 2. Select Adult mode for both the NIBP simulator and the Trio Monitor.

  • Page 39: Temp

    2.5.4.2 Test Procedures 1. Connect a 400 series TEMP test cable to the TEMP connector of the Trio Monitor. 2. Connect the 400 series test cable to a calibrated Patient Simulator. 3. Set the simulator to output a temperature of 34ºC.

  • Page 40: Parts

    Parts Exploded Views of the Trio Monitor See Figures 3-4 and 3-5 See Figure 3-3 See Figure 3-2 See Figure 3-6 FIGURE 3-1 Main Sub-Assembly Trio™ Service Manual 0070-10-0591-01 3 - 1...
  • Page 41 Exploded Views of the Trio Monitor Parts FIGURE 3-2 Front Panel Sub-Assembly 3 - 2 0070-10-0591-01 Trio™ Service Manual...
  • Page 42 Parts Exploded Views of the Trio Monitor FIGURE 3-3 Rear Case Sub-Assembly Trio™ Service Manual 0070-10-0591-01 3 - 3...
  • Page 45 Exploded Views of the Trio Monitor Parts FIGURE 3-6 Display Sub-Assembly 3 - 6 0070-10-0591-01 Trio™ Service Manual...
  • Page 46 Parts Exploded Views of the Trio Monitor FIGURE 3-7 Masimo SPO Sub-Assembly Trio™ Service Manual 0070-10-0591-01 3 - 7...
  • Page 47 Exploded Views of the Trio Monitor Parts FIGURE 3-8 Nellcor SPO Sub-Assembly 3 - 8 0070-10-0591-01 Trio™ Service Manual...
  • Page 48 Parts Exploded Views of the Trio Monitor FIGURE 3-9 Right Side Panel Sub-Assembly (Masimo) Trio™ Service Manual 0070-10-0591-01 3 - 9...
  • Page 49 Exploded Views of the Trio Monitor Parts FIGURE 3-10 Right Side Panel Sub-Assembly (Nellcor) 3 - 10 0070-10-0591-01 Trio™ Service Manual...
  • Page 50 Parts Exploded Views of the Trio Monitor FIGURE 3-11 Rear Panel Sub-Assembly Trio™ Service Manual 0070-10-0591-01 3 - 11...

  • Page 51: Parts Listing

    Keypad PCB (Normal Screen Key) for Serial Number MC05000-XX or Greater 0012-00-1488 Encoder Cable 0311-00-0133 Encoder PCB 0380-00-0439 Back Housing, Trio w/RCD for Serial Number lower than MC05000-XX 0380-00-0524 Back Housing, Trio w/Serial Port, Serial Number MC05000-XX or Greater 0354-00-0114...
  • Page 52 (S/N 21963-I8 and above) 0671-00-0246 MS-7 isolated power bd., Masimo 0380-00-0442 Cable shroud, Masimo 0012-00-1661 Nellcor SpO connector., Trio 0671-00-0066 Nell-3 SpO bd., Nellcor 0671-00-0247 Isolated power bd., Nellcor 0380-00-0444 Cable shroud, Nellcor Trio™ Service Manual 0070-10-0591-01 3 - 13...
  • Page 53 Cable, CPU board to Keyboard 0334-00-2627-001 Parameter Connector panel overlay w/Masimo IBP 0334-00-2627-004 Parameter Connector panel overlay w/Masimo SPO 0334-00-2627-009 Parameter Connector panel overlay w/Nellcor IBP 0334-00-2627-012 Parameter Connector panel overlay w/Nellcor SPO 3 - 14 0070-10-0591-01 Trio™ Service Manual...

  • Page 54: Repair Information

    This chapter of the Service Manual provides the necessary technical information to perform repairs to the instrument. The most important prerequisites for effective troubleshooting are a thorough understanding of the instrument functions as well as an understanding of the theory of operation. Trio™ Service Monitor 0070-10-0591-01 4 - 1...
  • Page 55 Introduction Repair Information This page intentionally left blank. 4 - 2 0070-10-0591-01 Trio™ Service Monitor...
  • Page 56 GN D GN D 2.0x6 GN D GN D OG ND OG ND RXA 0 RXA 0 TX A 0 MASIMO MS7 PLUG CONN BD. 0671-00-0252 FIGURE 4-1 Trio Signal Connection Diagram (Masimo SET®) Trio™ Service Manual 0070-10-0591-01 4 - 3...
  • Page 57 VGA OUTPUT 0012-00-1661 0671-00-0247 0671-00-0066 0012-00-1495 +5VD 0012-00-1492 OGND STxD STxD OGND 2.0x4 SRxD SRxD OGND RXA 0 +5VA DC/DC TX A0 OGND 2.0x6 +12V OGND OGND FIGURE 4-2 Trio Signal Connection Diagram (Nellcor) 4 - 4 0070-10-0591-01 Trio™ Service Manual...
  • Page 58 Repair Information Introduction FIGURE 4-3 CPU PCB Connector Reference Trio™ Service Manual 0070-10-0591-01 4 - 5...
  • Page 59 Introduction Repair Information FIGURE 4-4 Power Supply PCB (Lead Acid Battery) Connector Reference 4 - 6 0070-10-0591-01 Trio™ Service Manual...
  • Page 60 Repair Information Introduction BATTERY POWER/P12 (LI ION) POWER/P11 FAN DISPLAY FIGURE 4-5 Power Supply Pcb (Lithium Ion Battery) Connector Reference Trio™ Service Manual 0070-10-0591-01 4 - 7...
  • Page 61 Introduction Repair Information This page intentionally left blank. 4 - 8 0070-10-0591-01 Trio™ Service Manual...
  • Page 62 FIGURE 4-6 Power supply board (LI Ion battery) signal connection diagram Serial Port Converter Board P/N 0671-00-0068 To CPU PC To Serial Port BD. (P5) FIGURE 4-7 Serial Port Converter board signal connection diagram Trio™ Service Manual 0070-10-0591-01 4 - 9...

  • Page 63: Single Temp Cable Assembly

    Single Temp Cable Assembly Repair Information Single Temp Cable Assembly P/N 0012-00-1468 Temperature socket 1 red 2 black AGND FIGURE 4-8 Single Temp Cable Assembly ECG Cable Assembly P/N 0012-00-1465 FIGURE 4-9 ECG Cable Assembly 4 - 10 0070-10-0591-01 Trio™ Service Manual...

  • Page 64: Troubleshooting

    Troubleshooting Troubleshooting During transportation, storage and use of the Trio Monitor, various factors may result in Trio Monitor failures or affect normal operation of the device. Some of these factors include: Unstable network voltage, changing environmental temperature, physical damage or component aging.
  • Page 65 Indicators of power and main +5V DC power is damaged Replace the power supply control board do not illuminate, however, the fan runs normally and the keypad indicator illuminates 4 - 12 0070-10-0591-01 Trio™ Service Manual...
  • Page 66 Patient is moving Keep the patient calm Ambient light is very intensive Dim the ambient lighting value is inaccurate Dye has been injected into Remove all dyes before patient's body performing measurement Trio™ Service Manual 0070-10-0591-01 4 - 13...

  • Page 67: Disassembly Instructions

    3. Insert flat blade of screwdriver into tab slots at center right and center left of recorder paper compartment. 4. Gently move tabs in toward center of paper compartment while pushing recorder out from rear housing of unit. 4 - 14 0070-10-0591-01 Trio™ Service Manual...

  • Page 68: Removal Of Pcb Chassis Assembly

    1. Remove four (4) 3 x 6 mm Phillips panhead screws from rear panel of PCB chassis. 2. Remove rear panel plate. This will allow access to NIBP Module and optional IBP PCB. Trio™ Service Manual 0070-10-0591-01 4 - 15...

  • Page 69: Removal Of Nibp/Ibp Pcb Mounting Plate

    2. Push handle and handle shoes toward rear of rear housing until they are removed from housing. 3. Use an awl or similar tool to push the pins through the shoes releasing the handle. 4 - 16 0070-10-0591-01 Trio™ Service Manual...

  • Page 70: Ecg Cable Esis And Non Esis

    Chest (C) White Right Arm (RA) White Right Arm (R) Left Leg (LL) Left Leg (F) Green Left Arm (LA) Black Left Arm (L) Yellow Right Leg (RL) Green Right Leg (N) Black Trio™ Service Manual 0070-10-0591-01 4 - 17...

  • Page 71: Ecg Shielded Lead Wires

    - 11 24" pinch 3 lead set International - 13 3/40" 2/60" pinch 5 lead set Domestic - 12 40" pinch 3 lead set International FIGURE 4-6 ECG Shielded Lead Wires (P/N 0012-00-1262-XX) 4 - 18 0070-10-0591-01 Trio™ Service Manual...
  • Page 72 ARE TO BE THE SAME COLOR AS LEAD WIRE BLACK TWO PINS SHORTED YELLOW YELLOW BLACK YELLOW YELLOW GREEN GREEN GREEN GREEN TWO PINS SHORTED WHITE WHITE FIGURE 4-7 ECG Shielded Lead Wires (P/N 0012-00-1261-XX) Trio™ Service Manual 0070-10-0591-01 4 - 19...

  • Page 73: Trio Wall Mounts And Rolling Stand

    Trio Wall Mounts and Rolling Stand Repair Information Trio Wall Mounts and Rolling Stand Trio Mouting Bracket Kit 0040-00-0338 Metric Panhead Screw M4X16 0211-13-0416-00 FIGURE 4-8 Mounting bracket kits 4 - 20 0070-10-0591-01 Trio™ Service Manual...
  • Page 74 Repair Information Trio Wall Mounts and Rolling Stand Trio VHM Wall Mount Kit 0040-00-0337-02 Trio Wall Mount Kit 0040-00-0337-01 FIGURE 4-9 Mounting bracket kits Trio™ Service Manual 0070-10-0591-01 4 - 21...
  • Page 75 Trio Wall Mounts and Rolling Stand Repair Information FIGURE 4-10 Trio roll stand Replacement Parts, Trio Rolling Stand DESCRIPTION PART NUMBER Trio rolling stand, value TRIOROLLSTD Trio monitor mounting kit 0406-00-0856-01 Casters, Non locking 0401-00-0045 Casters, Locking 0401-00-0046 Utility basket 0202-00-0166 Included in Trio Monitor Mounting Kit.

  • Page 76: Appendix

    The LA lead wire of ECG is not Check the connection of LA connected correctly lead wire XX represents all the parameter modules in the system such as ECG, NIBP, SpO , IBP module, etc. Trio™ Service Manual 0070-10-0591-01 5 - 1...
  • Page 77 The alarm limit of XX parameter If message does not clear has inadvertently deviated from contact Customer Service. standard range XX represents all the parameter modules in the system such as ECG, NIBP, SpO , IBP module, etc. 5 - 2 0070-10-0591-01 Trio™ Service Manual...
  • Page 78 12V TOO HIGH 12V TOO LOW POWER ERR7 POWER ERR8 3.3V TOO HIGH 3.3V TOO LOW XX represents all the parameter modules in the system such as ECG, NIBP, SpO , IBP module, etc. Trio™ Service Manual 0070-10-0591-01 5 - 3...
  • Page 79 NIBP COMM ERR No NIBP communication Restart the system. If message does not clear contact Customer Service. XX represents all the parameter modules in the system such as ECG, NIBP, SpO , IBP module, etc. 5 - 4 0070-10-0591-01 Trio™ Service Manual...
  • Page 80 Measure analysis or calculation. again, if the failure persists, contact the manufacturer for repair. XX represents all the parameter modules in the system such as ECG, NIBP, SpO , IBP module, etc. Trio™ Service Manual 0070-10-0591-01 5 - 5...
  • Page 81 0070-10-0591-01 Revision G July 17, 2010...
  • Page 82 Tel: +31 33 25 44 911 • Fax: +31 33 25 37 621 Mindray (UK) Limited • 3 Percy Road • St. John’s Park • Huntingdon • Cambridgeshire PE29 6SZ • United Kingdom • Tel: 01480 416840 • Fax: 01480 436588 Mindray Medical France SARL •...

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