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BeneVision N22/BeneVision N19 Patient Monitor Service Manual

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ITEM No.

Name and Specification

Qty

Material Code

Terminal

screw

Infrared

lens

Standard spring washer GB/T93-1987 3

Barcode serial number label 1 (for module)

High-end Mindray patent label (English)

Pump shock pad

Air valve. Dual air valve (custom) 12VDC

normally-open line, 125 mm long

082-000864-00

Pump. 12VDC with 120 wire and connector

082-000862-00

Filter. Inline Filter43um 1/8”I.D.Tubing

630F flow restrictor

Silicone

tube

Bracket

(T8)

043-001964-02

Module waterproof pad (M51C)

M51C front panel maintenance package (Masimo

SpO2/IBP/analog FRU)

115-057209-00

M51C front panel maintenance package (Nellcor

SpO2/IBP/analog FRU)

115-044673-00

Summary of Contents for BeneVision N19

Page 1: ...BeneVision N22 BeneVision N19 Patient Monitor Service Manual...

Page 2: ......

Page 4: ...of Mindray is strictly forbidden Release amendment reproduction distribution rent adaption and translation of this manual in any manner whatsoever without the written permission of Mindray is strictl...

Page 5: ...r replacing the affected products at Mindray s option at the factory or at an authorized distributor for any product which shall under normal use and service appear to Mindray to have been defective i...

Page 6: ...Malfunction or damage caused by improper operation or repair by unqualified or unauthorized service people Malfunction of the instrument or part whose serial number is not legible Others not caused by...

Page 7: ...requests for service Any questions regarding the warranty should be directed to your local sales or service representative NOTE Upon request Mindray provides circuit diagrams component part lists des...

Page 8: ...ents may not apply to your monitor If you have any question please contact our Customer Service Department Intended Audience This manual is for biomedical engineers authorized technicians or service r...

Page 9: ...e Rack 2 8 2 3 2 The Secondary Screen of N22 N19 Uses Independent AC Adapter for Power Supply 2 9 2 4 Signal Logic Flow 2 9 2 4 1 Startup Signal Flow 2 9 2 4 2 Display Signal Flow 2 10 2 4 3 Display B...

Page 10: ...1 Introduction 4 1 4 2 Part Replacement 4 1 4 3 Check before Powering on the Monitor 4 1 4 4 Software Version Check 4 1 4 5 Technical Alarm Check 4 2 4 6 Blank Screen upon Startup 4 2 4 7 Troubleshoot...

Page 11: ...ndicator Board 6 10 6 5 Disassembling Main Unit 6 10 6 5 1 Removing iView Assembly iView Assembly Optional 6 10 6 5 2 Removing iView Assembly Support Board USB Interface Board iView Assembly Optional...

Page 12: ...7 Main Unit Separated Installation Auxiliary Accessories 7 10 7 7 1 Exploded View 7 10 7 7 2 Parts List 7 10 7 8 Main Unit Base Assembly 7 11 7 8 1 Exploded View 7 11 7 8 2 Parts List 7 11 7 9 Battery...

Page 13: ...ill result in death or serious injury WARNING Indicates a potential hazard or unsafe practice that if not avoided could result in death or serious injury CAUTION Indicates a potential hazard or unsafe...

Page 14: ...t it from the power line and operate it on battery power if possible Dispose of the package material observing the applicable waste control regulations and keeping it out of children s reach 1 1 3 Cau...

Page 15: ...in intensive care first aid operation room and the relevant departments The N22 N19patient monitor provides clinical decision making tools to assist the medical personnel in making diagnosis and clini...

Page 16: ...Alarm logo LED Board Resistive Touch Panel Controller Board W1 W4 Backlight LVDS Remote Receiver Reserved Touchpad knob USB Indicator LED Power Button W3 WD W2 DP USB NET UART2 STATUS UART1 W6 W8 SMR...

Page 17: ...platform and uses Intel s Bay Trail I E38xx series processors Architecture of the Main Board As the core control unit of the system the main board is responsible for such core functions of the system...

Page 18: ...equires and for implementing the power management function The major functions include Generation and management of 12V 5V 3 3V Vbus and 3 3VB power supply required for the system operation Extension...

Page 19: ...ecting the battery availability signal and SMB signal of the battery interface board Connector Type B3B PH K S Pin No Signal Name Signal Direction Function Definition Remarks 1 BAT_BC IN Battery avail...

Page 20: ...PGA reset 12 GND Ground 13 NC No signal connection 14 SPI_MOSI IN Primary output of SPI 15 NC No signal connection 16 GND Ground 17 NC No signal connection 18 SPI_MISO OUT Secondary output of SPI 19 N...

Page 21: ...rks 1 12V OUT DC output 2 12V OUT DC output Reserved 3 GND Ground Reserved 4 GND Ground 2 2 4 Front Housing Interface Board The front housing interface board and its peripheral circuits are mainly use...

Page 22: ...SPKR The COME module uses Type10 module mechanical size 55 mm x 84 mm as defined in the specifications and the connection with the main board could be realized with one 220pin socket 2 3 Power System...

Page 23: ...ndependent of each other allowing the secondary display to be turned on or off without affecting the complete system 2 4 Signal Logic Flow 2 4 1 Startup Signal Flow Major power on process Startup sign...

Page 24: ...imary display Front Interface board Main unit DP System main control MCU and firmware of the front interface board DP Reciver USB I2C USB HUB USB Touchscreen control board Encoder UART Audio circuit S...

Page 25: ...tness control module Backlight Current or voltage Ambient light detection As shown in the figure above the dashed line indicates the fast hardware channel reserved for the AC battery switching event D...

Page 26: ...xample Insert MPM into SMR The module rack uploads the module availability status The system identifies the status and sends the handshake command Query for 1 minute continuously until success is achi...

Page 27: ...s specified in any test repairs or replacement must be done to correct the problem If the problem persists contact our Customer Service Department CAUTION All tests should be performed by qualified se...

Page 28: ...nce Tests ECG tests Performancetest 1 If the user suspects that the measurement is incorrect 2 Following any repair or replacement of relevant module 3 At least once every two years For CO2 AG and NMT...

Page 29: ...Once every two months or when the battery run time is reduced significantly Mounting check 1 When first installed 2 At least every two years or as required Note Performance test is not required for t...

Page 30: ...If no message is displayed in the NIBP parameter area it indicates that the system has no leak If the message NIBP Pneumatic Leak is displayed it indicates that the system may have a leak In this cas...

Page 31: ...cy Test 4 Check the reading of the manometer and the reading of the patient monitor Both should be 0 mmHg 5 Raise the pressure in the rigid vessel to 50 mmHg with the squeeze bulb Then wait for 10 sec...

Page 32: ...rm message CO2 Airway Occluded disappears or the flow rate is greater than or equal to 10 ml min it indicates that the module leaks Microstream After 3 seconds the alarm message CO2 Purging is display...

Page 33: ...inder with 5 0 03 CO2 21 0 O2 and balance gas N2 P N 0075 00 0033 01 or a steel gas cylinder with CO2 concentration 3 7 a c 0 01 w here a absol ute gasconcentrati on accuracy c gasconcentrati on balan...

Page 34: ...e calibration fails several times return the module to Mindray for repair 3 2 4 AG Tests Leakage Test 1 Plug the AG module into the module rack 2 Wait until the AG module warmup is finished and then c...

Page 35: ...tion of each composition meets the specification stated in the Operator s Manual Calibration Tools required A supply of medical grade 100 O2 and an anesthetic calibration gas 4 Desflurane 6 CO2 45 N2O...

Page 36: ...the measured gas concentration and the actual one is within tolerance a calibration is not needed If the difference is not within tolerance a calibration should be performed Select Calibrate 6 Enter...

Page 37: ...odule using an ECG cable 2 Set the patient simulator as follows ECG sinus rhythm HR 60 bpm with the amplitude as 1 mV 3 Verify that the ECG waves are displayed correctly without noise and the displaye...

Page 38: ...ng finger of a healthy person 3 Check the Pleth wave and PR reading on the screen and make sure that the displayed SpO2 is within 95 and100 4 Remove the SpO2 sensor from your finger and make sure that...

Page 39: ...ke a zero calibration 4 Set static pressure to 200 mmHg on the patient simulator 5 The displayed value should be within 200 2 mmHg 6 If the error is beyond 2 mmHg calibrate the IBP module If the IBP m...

Page 40: ...n the stopcock to the sphygmomanometer 3 Select Main Menu Maintenance enter the required password Module IBP In the displayed interface set the target calibration value of the target channel Value ran...

Page 41: ...c pressure set in Main Menu Maintenance enter the required password Other accords with the local barometric pressure before performing mainstream CO2 tests Tools required A gas cylinder with 5 0 03 CO...

Page 42: ...stream CO2 Tests See section 3 2 3Sidestream and Microstream CO2 Tests 3 4 10 AG Tests See section 3 2 4AG Tests 3 4 11 EEG Test You can choose either of the following methods to perform the test Meth...

Page 43: ...nnect them to some metal materials Then check the EEG module resistance test if all the leads are green then pass Method 3 Tools required Resistance box Multimeter 1 Connect the EEG module cable to th...

Page 44: ...t for each electrode is passed Method 3 Tools Signal generator Maker NF Model WF1946B Covidien Signal simulator Covidien PN 189 0137 1 Insert the BIS module to the monitor connect the BIS module cable...

Page 45: ...electrodes making sure that the sensor and electrode connected have the same polarity 3 Insert the NMT module into the module rack of the monitor Select the NMT parameter area of the monitor to access...

Page 46: ...select Main Menu Maintenance enter the required password Alarm to access the Nurse Call setup menu 3 In Nurse Call menu select all options of Alarm Priority and Alarm Type and set Contact Type to Nor...

Page 47: ...tified safety analyzer for example UL CSA or AMAI as instructed to perform relevant tests NOTE Electrical safety check shall be performed after repair or routine maintenance Ensure that all cover boar...

Page 48: ...enter the required password Print and set the IP address of the printer to the actual IP address and set the paper size to the actual size 4 Set the print resolution to 300dpi or 600dpi as required 5...

Page 49: ...that the main unit and the VESA metal plate are closely attached Check that the connection between stand and bracket is not loose Check that the screws at the installation support leg for fixing fast...

Page 50: ...3 24 BeneVision N22 BeneVision N19 Patient Monitor Service Manual FOR YOUR NOTES...

Page 51: ...liably If both the AC external power supply and power cord are connected normally but the AC indicator is off the AC DC power module or main control board of the main unit may be damaged Now you need...

Page 52: ...wer on button The power LED of the module rack is ON or the alarm LED of the front housing is blinking Check the power on signal cable of the front housing Y N Remove AC and press the power on off but...

Page 53: ...board to the front housing interface board the cable connecting the front housing interface board to the coaxial cable of main control and the cable connecting the power module to the DCDC board are...

Page 54: ...ndary screen is not inserted into the connector of the main unit when the system is powered on Power off the main unit Connect the DP cable of the secondary screen to the main unit Then restart the ma...

Page 55: ...module with a known good module If the patient monitor identifies the replacement module and can start measurement it indicates that the original module is faulty Wrong communication board software v...

Page 56: ...D board Front housing interface board failure Replace the front housing interface board Main board failure Replace the main board No audible alarm sounds emitted while the alarm LED is normal Audible...

Page 57: ...ntermeasure Battery cannot supply power Battery damaged Replace the battery Cable defective or improperly connected 1 Verify the cable connecting the battery interface board to the power module is cor...

Page 58: ...ss The patient monitor is connected to a network but cannot view other patients in the View Others mode Improper network cable connection Check for network cable connection and length should not excee...

Page 59: ...the serial port adapter cable Wrong software version or wrong protocol version of the external device Verify the protocol version and software version are supported by the ID adapter Generate the ala...

Page 60: ...4 10 BeneVision N22 BeneVision N19 Patient Monitor Service Manual FOR YOUR NOTES...

Page 61: ...ct and route the cables and wires when reassembling the equipment to avoid pinched hoses and electrical short circuits Use specified screws to reassemble the equipment If the incorrect screws are forc...

Page 62: ...ule 115 056531 00 1 Slot CO2 O2 module AG module 115 056533 00 2 Slot AG O2 module 115 056532 00 2 Slot AG O2 BIS module BIS module 115 013194 00 BIS module Package no accessory RM module 115 047015 0...

Page 63: ...package with the rotation function Wi Fi 115 033755 00 Wi Fi material package Handle assembly 115 034030 00 Handle assembly without encoder 115 037270 00 Handle assembly with an encoder Main unit batt...

Page 64: ...grading Handle Assembly Refer to the corresponding section of this manual to install the handle assembly in your patient monitor 5 3 6 Installing the Main Unit Battery Refer to the corresponding secti...

Page 65: ...ake following preparations Stop monitoring the patient turn off the monitor and disconnect all the accessories and peripheral devices Disconnect the AC power supply then remove the battery Before taki...

Page 66: ...icture place the monitor face down on the work surface loosen two M3 captive screws and then lift the main unit housing to remove it As shown in the following picture loosen to remove four M4X55 screw...

Page 67: ...picture loosen and remove the two M3X6 cross recessed pan head screws with pad then remove the keypad board assembly then disconnect the cable loosen and remove the cross recessed pan head screws wit...

Page 68: ...Unit Interface Adapter Board Main Unit and Display Separated Installation As shown in the following picture place the monitor face down on the work surface loosen two M3 captive screws and then lift t...

Page 69: ...one M3X6 cross recessed pan head screw with pad then remove the main unit interface adapter board 6 3 5 Removing Display Interface Adapter Board Main Unit and Display Separated Installation As shown i...

Page 70: ...hat the point for placement is smooth and free of unrelated things and pave foam or similar material under the display lest the touchscreen would be scratched When optional functions are indicated the...

Page 71: ...en and remove the eight M3X6 cross recessed pan head screws with pad 6 4 3 Removing Switch Keypad Board As shown in the following picture disconnect the switch keypad board cable As shown in the follo...

Page 72: ...picture loosen and remove the six M3X6 cross recessed pan head screws with pad disconnect the cables then remove the display interface board As shown in the following picture disconnect the touchscre...

Page 73: ...following picture loosen and remove the four spring screws and four M3X6 cross recessed pan head screws with pad then remove the main bracket As shown in the following picture loosen and remove the f...

Page 74: ...d then remove the indicator board As shown in the following picture loosen and remove the four M3X6 cross recessed pan head screws with pad then remove the LED board 6 5 Disassembling Main Unit 6 5 1...

Page 75: ...s with pad then remove the iView assembly As shown in the following picture loosen and remove the four M3X6 cross recessed pan head screws with pad then remove the USB board remove the four M3X6 cross...

Page 76: ...lowing picture loosen and remove the four M3X6 cross recessed pan head screws with pad and remove the upper cover of main unit As shown in the following picture loosen and remove the four M3X6 cross r...

Page 77: ...d disconnect the power cable As shown in the following picture loosen and remove the six small M2 5 pan head screws then remove the DCDC power management board 6 5 6 Removing Antenna Module and Antenn...

Page 78: ...shown in the following picture remove the SSD hard disk 6 5 8 Removing Main Control Board As shown in the following picture loosen and remove the four M3X6 cross recessed pan head screws with pad remo...

Page 79: ...e two M3X6 cross recessed pan head screws with pad then remove the battery backplane 6 6 Disassembling the Module Rack 6 6 1 Disasembling the Handle and Hooks As shown in the following figure loosen a...

Page 80: ...e the six M3X16 cross recessed pan head screw and separate the front case from the rear case 6 6 3 Disassembling the Module Rack Interface Board Loosen and remove the two M3X8 cross recessed pan head...

Page 81: ...Module Rack Disconnect the cable between the module rack antenna and the infrared backplane loosen and remove the seven M3X8 cross recessed pan head screws on the infrared backplane then remove the e...

Page 82: ...ont panel of module can be pulled out As shown in the following figure loosen and remove the screw between the front panel and the bracket and unplug the air tube at the air nozzle Then the front pane...

Page 83: ...ure disconnect the infrared board cable and then remove the infrared board 6 7 5 Removing the Pump and Valve Cut the cable tie disconnect the pump power cable and NIBP air tube and then remove the pum...

Page 84: ...6 20 BeneVision N22 BeneVision N19 Patient Monitor Service Manual FOR YOUR NOTES...

Page 85: ...able protection belt 1 2 WiFi antenna 2 4GHz and 5GHz dual frequencies 1 024 000717 00 3 Main unit base assembly 1 115 037485 00 4 IVIEW module 1 115 049593 00 5 DP port decoration cover 1 043 005815...

Page 86: ...2 19 Main unit housing 1 17 USB port decoration cover 1 043 009126 00 20 Stainless steel cross recessed pan head screw GB9074 1 88 M4X55 with pad passivated 4 21 AC DC heat conducting pad 1 22 Upper...

Page 87: ...creen adhesive 2 1 D19touchscreen plate 3 D19touchscreen adhesive 3 1 D19touchscreen plate 4 D19touchscreen adhesive 4 1 D19 cosmetic gasket 1 Tape for display gasket 0 04 Small cross recessed pan hea...

Page 88: ...ithout an encoder 1 115 033716 00 16 Long side handle cover 1 115 035457 00 Display USB cover overmold 1 Short side handle cover D19 1 17 Key seat 1 043 006119 00 18 Switch keypad board PCBA 1 051 001...

Page 89: ...22 LCD Touch Screen UV 1 115 045000 00 D22 LCD transfer bracket 2 D22 touchscreen plate 1 D22 touchscreen adhesive 1 1 D22 touchscreen plate 2 D22 touchscreen adhesive 2 1 D22 touchscreen plate 3 D22...

Page 90: ...871 02 11 Display rear housing cover assembly 1 043 006465 01 Cable management cover silkscreen 043 008962 00 12 Encoder assembly 1 115 050303 00 13 Handle assembly without an encoder 1 115 033716 00...

Page 91: ...nsity sensor board PCBA 1 051 001918 00 25 Indicator light lamp shade 1 049 000872 00 26 D22 cosmetic gasket 1 049 000969 01 7 4 Encoder Assembly 7 4 1 Exploded View 7 4 2 Parts List ITEM NO Descripti...

Page 92: ...ck 1 043 008617 00 2 8 slot PCBA of external module rack 1 051 001907 00 3 Interface board fixing sheet metal 1 4 Interface board PCBA of external module rack 1 051 001908 00 5 Module rack cuff bracke...

Page 93: ...essed pan head screw GB T818 2000 M2X6 plated with green zinc 4 4 IVIEW memory heat conducting pad 4 5 Computer module Celeron J1900 1 023 001497 00 6 Button battery 1 7 iView support board PCBA 051 0...

Page 94: ...interface board PCBA 1 051 001948 00 14 Conductive foam 2 0 7 0mm 0 06m 7 7 Main Unit Separated Installation Auxiliary Accessories 7 7 1 Exploded View 7 7 2 Parts List ITEM NO Description Qty FRU par...

Page 95: ...ain unit bracket silkscreen 1 115 037485 00 2 Main unit bracket waterproof foam 1 3 Antenna fixing frame 1 4 Rubber tube 1 6mmODX0 8mmID 1 5 Waterproof pad 1 6 Main unit bracket overlay 1 7 Small cros...

Page 96: ...at conducting pad 2 12 Main unit CPU heat conducting pad 1 13 AC input to ACDC power cord 1 14 Flat washer Grade A GB T97 1 2002 6 plated with green color zinc 1 15 Grounding pillar 1 16 Serrated lock...

Page 97: ...ery Cavity Assembly 7 9 1 Exploded View 7 9 2 Parts List ITEM NO Description Qty FRU part number 1 Battery cavity 1 051 001932 00 2 6600 battery interface board PCBA 1 043 005814 00 3 Small cross rece...

Page 98: ...NC SPO2 IBP MPM I F 1 051 002482 00 2 Stainless steel cross recessed pan head screw GB T818 2000 M2X4 4 3 M51C 9008V3 0 SPO2 PCBA 1 051 002353 00 4 Hex nut and taper lock washer assembly M3 2 M04 011...

Page 99: ...1 15 Pump shock pad 1 16 Air valve Dual air valve custom 12VDC normally open line 125 mm long 2 082 000864 00 17 Pump 12VDC with 120 wire and connector 1 082 000862 00 18 Filter Inline Filter43um 1 8...

Page 100: ...7 16 BeneVision N22 BeneVision N19 Patient Monitor Service Manual FOR YOUR NOTES...

Page 101: ...oting tool to detect abnormalities of line voltage and grounding as well as total current loads A 1 Power Cord Plug Test Item Acceptance Criteria The power plug The power plug pins No broken or bent p...

Page 102: ...ty inspection perform all the test items listed in A 6 Electrical Safety Inspection Test A 5 Electrical Safety Inspection after Repair The following table specifies test items to be performed after th...

Page 103: ...th Leakage Normal condition NC Max NC 300 A refer to UL60601 1 SFC 1000 A Single Fault condition SFC 6 Patient Leakage Current Normal condition NC Max CF applied part NC 10 A SFC 50 A BF applied part...

Page 104: ...A 4 BeneVision N22 BeneVision N19 Patient Monitor Service Manual FOR YOUR NOTES...

Page 105: ...046 011262 00 3 0...

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