Philips M8031B Service Manual Download Page 62

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6 Repair and Disassembly

M8033C Backlight Replacement

Remove the metal back cover(by removing the 10 fixing nuts), and disconnect the flex cable from
the Touch controller board.

Disconnect the keyboard cable and remove the eight nuts fixing the metal chassis.

Lift the metal chassis and disconnect the video signal and the inverter cables.

Summary of Contents for M8031B

Page 1: ...Patient Monitoring Service Guide P h i li p s M 8 03 1 B M 80 3 3 C 8 6 5 29 9 Philips M8031B M8033C 865299 15 17 19 LCD Color Displays Part Number 4535 641 52251 453564152251 ...

Page 2: ......

Page 3: ...g AC Power M8031B 14 Connecting AC Power M8033C 15 Connecting Digital Video DVI 16 Connecting Analog Video XGA 17 Connecting the Touch Screen 18 3 Installation 865299 19 Dimensions 19 865299 19 Display 20 Power Supply 22 Installation 22 Positioning 22 Mounting Instructions 23 Rear Mounting Using the VESA Interface 24 Connections 865299 24 Touch Interface Connection 25 Connecting the Video Cable 25...

Page 4: ...tance Test 35 S 2 Equipment Leakage Current Test Normal Condition 36 S 3 Equipment Leakage Current Test Single Fault Condition 37 Reporting of Test Results 37 Carrying Out and Reporting Tests 39 Test Report 39 Evaluation 40 Evaluation of Test Results 40 Explanation of Symbols Used 41 After Installation Testing or Repair 41 5 Troubleshooting 43 Signal missing 43 Cable disconnected 44 6 Repair and D...

Page 5: ...nt if assembly operations extensions re adjustments modifications or repairs are carried out by persons authorized by Philips and the electrical installation of the relevant room complies with national standards and the instrument is used in accordance with the instructions for use To ensure safety and EMC use only those Philips parts and accessories specified for use with the monitor If non Phili...

Page 6: ... A warning alerts you to a potential serious outcome adverse event or safety hazard Failure to observe a warning may result in death or serious injury to the user or patient A caution alerts you where special care is necessary for the safe and effective use of the product Failure to observe a caution may result in minor or moderate personal injury or damage to the product or other property and pos...

Page 7: ...ensions The following graphics show the dimensions of the display and the power supply Please allow for a sufficient amount of space for installation of the display M8031B 15 Display Dimensions in mm Weight approx 5 kg without desk stand ...

Page 8: ...2 Installation M8031B M8033C Dimensions 6 Power Supply Dimensions mm inches Weight 373g 13 2 Oz ...

Page 9: ...Dimensions 2 Installation M8031B M8033C 7 M8033C 17 Display Dimensions in mm Weight approx 7kg without desk stand ...

Page 10: ...ARNING When positioning this equipment ensure that the mains plug and socket are easily accessible While unpacking the display inspect it and other package contents for shipping damage If physical damage is evident or if the display does not meet the specified operational requirements of the patient safety checks or the extended self check when the equipment is received notify the carrier and the ...

Page 11: ...Installation M8031B M8033C 9 After unpacking the display make sure the following items are included display AC Power Supply Mains cord set 1 8 meter Video Signal cable Touch screen cable User and Service Documentation ...

Page 12: ...sional structural and or mechanical engineer Ensure that this commitment has been met before assembling mounts Incorrect mounting and use of inappropriate mounting material may lead to injury It is the customer s responsibility to ensure that the mounting procedures have been performed correctly and the appropriate mounting devices have been used Desk Stand Optional With the desk stand Part No M80...

Page 13: ...13 N C Pin 2 D2_RX T M D S Pin 14 5V Power Pin 3 GND Data 2 shield Pin 15 GND Pin 4 N C Pin 16 Hot Plug Detect Pin 5 N C Pin 17 D0_RX T M D S Pin 6 SCL For DDC Pin 18 D0_RX T M D S Pin 7 SDA For DDC Pin 19 GND Data 0 shield Pin 8 N C Pin 20 N C Pin 9 D1_RX T M D S Pin 21 N C Pin 10 D1_RX T M D S Pin 22 GND Clock shield Pin 11 GND Data 1 shield Pin 23 CK_RX T M D S Pin 12 N C Pin 24 CK_RX T M D S P...

Page 14: ...2 Installation M8031B M8033C Connections M8031B 12 RS 232 Connection DSUB9 female connector Pin 1 N C Pin 6 N C Pin 2 TX Pin 7 N C Pin 3 RX Pin 8 N C Pin 4 N C Pin 9 N C Pin 5 GND ...

Page 15: ...e connector RS232 DSUB 9 connector pinout DVI 24 pin connector Digital Video Input Power Touch Screen DVI SXGA Pin 1 Pin 2 Tx Data Pin 3 Rx Data Pin 4 Pin 5 Ground Pin 6 Pin 7 Pin 8 Pin 9 Pin 1 RX2 Pin 13 N C Pin 2 RX2 Pin 14 5V Pin 3 GND Pin 15 GND Pin 4 N C Pin 16 sense Pin 5 N C Pin 17 RX0 Pin 6 Vesa_SCL Pin 18 RX0 Pin 7 Vesa_SDA Pin 19 GND Pin 8 N C Pin 20 N C Pin 9 RX1 Pin 21 N C Pin 10 RX1 P...

Page 16: ...e AC power cord into the AC power adapter then plug the power connector of the adapter into the power port on the display This power port is located at the back of the display Pin 1 RED Pin 9 N C Pin 2 GREEN Pin 10 GND Pin 3 BLUE Pin 11 GND Pin 4 N C Pin 12 Vesa_SDA Pin 5 GND Pin 13 Hsync Pin 6 GND Pin 14 Vsync Pin 7 GND Pin 15 Vesa_SCL Pin 8 GND ...

Page 17: ...er Supply Holder M8031 64001 451261001931 to your installation Connecting AC Power M8033C Plug the receptacle of the AC power cord into the power port on the display This power port is located at the back of the display NOTE The M8033C Display has an integrated power supply The power connector should be fixed to the cabinet with the proper cable clamp and screw Insert the plug end of the power cor...

Page 18: ...Video DVI With both system and display powered off connect the digital video cable from the display to the system s DVI video port Make sure the video cable connector is securely connected to the system video port Switch the display on first and then switch on the system ...

Page 19: ...ideo XGA With both system and display powered off connect the analog video cable from the display to the system s D SUB video port Make sure the video cable connector is securely connected to the system video port Switch the display on first and then switch on the system ...

Page 20: ...2 Installation M8031B M8033C Connections M8033C 18 Connecting the Touch Screen Connect the display s RS 232 serial port to the system s serial port using the appropriate cable ...

Page 21: ...19 3 3Installation 865299 Dimensions The following graphics show the dimensions of the display and the power supply Please allow for a sufficient amount of space for installation of the display ...

Page 22: ...3 Installation 865299 Dimensions 20 865299 19 Display ...

Page 23: ...Dimensions 3 Installation 865299 21 ...

Page 24: ...patibility Positioning WARNING When positioning this equipment ensure that the mains plug and socket are easily accessible While unpacking the display inspect it and other package contents for shipping damage If physical damage is evident or if the display does not meet the specified operational requirements of the patient safety checks or the extended self check when the equipment is received not...

Page 25: ...of inappropriate mounting material may lead to injury It is the customer s responsibility to ensure that the mounting procedures have been performed correctly and the appropriate mounting devices have been used Your medically certified touchscreen display conforms to the VESA Flat Panel Monitor Physical Mounting Interface FPMPMI standard The FPMPMI standard defines a physical mounting interface fo...

Page 26: ...play refer to Figure2 1 item 1 Separate the pedestal from the display 2 Reinstall the four screws into the VESA interface mount Ensure that the monitor is positioned with the correct side up 3 Mount the monitor to the wall according to the template shown in Figure 2 2 Route the cables through the cable access opening Figure2 2 item 1 Figure 2 Rear Mount Template not to scale Connections 865299 ...

Page 27: ...the Video Cable Tilt the screen up and back to access the connection ports Connect the 15 pin video cable the ferrite bead end or 24 pin DVI D cable to the video port on your PC Connect the other end of the video cable to the video connector on your touchmonitor Secure the cable to your touchmonitor and PC by turning the screws on the connector clockwise Connecting the Serial and USB Touchscreen C...

Page 28: ...ct the other end of the USB touchscreen cable to your PC Secure the cable to your touchmonitor and PC by turning the screws on the connector Please note that you can only have the usb or the serial feature connected You can not have both connected at the same time Connecting the Speaker Cable Connect the light blue end of the speaker cable to the light blue speaker port to the monitor audio in Con...

Page 29: ...the medical grade power adaptor Connect the brick power cable into the power port on the touchmonitor Route the cable through the cable management channel NOTE To protect your equipment against risk of damage from electrical surges in the power line plug the touchmonitor s power cord into a surge protector and then connect the surge protector to a grounded AC electrical outlet ...

Page 30: ...3 Installation 865299 Connections 865299 28 ...

Page 31: ...tion of at least one medical electrical device and other electrical equipment interconnected by functional connection or use of a multiple portable socket outlet Patient Vicinity any area in which intentional or unintentional contact can occur between the patient and parts of the medical system or between the patient and other persons who have had contact with parts of the medical system The patie...

Page 32: ...display specified by Philips M8031B M8033C or 865299 Perform Visual and Power On Tests Service Event When performing Test Blocks Required Complete these tests Repairs where the display M8031B or M8033C has been opened Perform Power On and all Safety Tests Repairs where the display has been damaged by impact liquid ingression fire short circuit or electrical surge Perform Visual Power On and all Sa...

Page 33: ...sible from the outside comply with the manufacturer s specification Check the integrity of mechanical parts internally and externally any damage or contamination internally and externally that no loose parts or foreign bodies remain in the device after servicing or repair the integrity of all relevant accessories Power On Test 1 Connect the display to the patient monitor and switch it on 2 Make su...

Page 34: ...s not result in danger to the safety analyzer operator patients or other individuals Test equipment for example a Safety Analyzer is required to perform the safety tests Please refer to Annex C of IEC EN 62353 for exact requirements for the measurement equipment and for measurement circuits for protective earth resistance and leakage currents Refer to the documentation that accompanies the test eq...

Page 35: ...353 for requirements for the measurement equipment and for measurement circuits for protective earth resistance and leakage currents The following symbols are used in the diagrams illustrating the safety tests CAUTION After each service maintenance or repair event Ensure all fuses accessible from the outside comply with the manufacturer s specification Check the integrity of mechanical parts inter...

Page 36: ...required Guideline for Performance of Safety Tests Connect the detachable power cord of the device under test to the safety analyzer s test mains port Connect the enclosure test lead of the safety analyzer to the enclosure of the device under test e g to the equipotential connector If necessary repeat the safety test procedure until all available applied parts have been tested Refer to the documen...

Page 37: ...00 mA into 500 mOhms with maximum 24V This safety test is based on IEC EN 60601 1 IEC EN 62353 UL2601 1 Ed 2 UL60601 1 2003 and CSA 601 1 M90 For measurement limits refer to Safety 1 test Test and Inspection Matrix Report the highest value X1 NOTE If the protective earth resistance test fails testing must be discontinued immediately and the device under test must be repaired or labeled as defectiv...

Page 38: ... and reversed polarity Perform the test with S1 closed Normal Condition There are no parts of the equipment that are not protectively earthed This safety test is based on IEC EN 60601 1 IEC EN 62353 UL2601 1 Ed 2 UL60601 1 2003 and CSA 601 1 M90 For measurement limits refer to Safety 2 test Test and Inspection Matrix Report the highest value X1 NOTE All values for current and voltage are the root ...

Page 39: ...spection Matrix Report the highest value X2 For further details regarding testing maintenance please refer to the Service Guide of your patient monitor Reporting of Test Results Philips recommends all test results are documented in accordance with local laws Authorized Philips personnel report test result back to Philips to add to the product development database While hospital personnel biomedica...

Page 40: ... accessories being tested serial number etc The actual tests incl visual inspections performance tests safety and system tests and measurements required Date of testing and of the concluding evaluation A record of the actual values of the test results and whether these values passed or failed the tests Date and confirmation of the person who performed the tests and evaluation The device under test...

Page 41: ...t Results Record the Results mandatory for Philips Personnel only What to Record Actual Results Visual Inspection Perform Visual Inspection see Visual Inspection on page 31 Pass or Fail V P or V F Power On Power on the unit Does the self test complete successfully If Yes Power On test is passed PO P or PO F Safety 1 Perform Safety Test 1 Protective Earth Resistance With mains cable Maximum impedan...

Page 42: ...ously measured reference values must be taken into consideration for the assessment of the electrical safety of the device under test If no reference values are available you should consider shorter intervals between upcoming recurrent tests NOTE If any single test fails testing must be discontinued immediately and the device under test must be repaired or labeled as defective Be sure to inform th...

Page 43: ... patient monitor over to the end user make sure it is configured appropriately and that it is in monitoring mode Ensure that the user receives the current revision of the monitor documentation Symbols Refer to accompanying documents Protective earth Identifies year and month of manufacture Menu Button Select Button Adjust and Brightness Adjustment Buttons Power On Off Button 2002 06 ...

Page 44: ...4 Testing and Maintenance After Installation Testing or Repair 42 ...

Page 45: ...ssing below for LED behavior Display is in stand by Check the signal output of the system No Connection Cable message on screen display See Cable disconnected below for LED behavior The video cable is not properly inserted Check and secure connection on video cable No active signal is coming from the system Turn OFF system and secure connection Check the signal output of the host system Touch posi...

Page 46: ...onds and then the backlight lamp goes OFF black screen and the Green LED starts blinking Cable disconnected When signal cables are disconnected the following message is displayed NOTE In this case the display does not enter into stand by mode and the LED is always ON ...

Page 47: ... to the edge of the frame as this will result in damage to the screen Do not scratch or press on the panel with any sharp objects such as pencils or pens as this may result in damage to the panel Protect the LCD module from ESD as it may damage the electronic circuit Make sure that your body is grounded with a wrist band Do not expose the LCD module to high temperatures or high humidity for a long...

Page 48: ...6 Repair and Disassembly M8031B Backlight Replacement 46 M8031B Backlight Replacement Removing the LCD Panel from the Display Unit 1 Remove the plastic back cover ...

Page 49: ...klight Replacement 6 Repair and Disassembly 47 2 Remove the fixing screws from the front mask four screws at the corners 3 Remove the metal back cover and disconnect the flex cable from the touch controller board ...

Page 50: ...6 Repair and Disassembly M8031B Backlight Replacement 48 4 Slide the flat cable out from its location ...

Page 51: ...M8031B Backlight Replacement 6 Repair and Disassembly 49 5 Take fixing screws out of the controller board disconnect all signal cables connected to the board and remove it from its position ...

Page 52: ...6 Repair and Disassembly M8031B Backlight Replacement 50 6 Turn the metal chassis around 7 Lift the touch screen panel off carefully ...

Page 53: ...M8031B Backlight Replacement 6 Repair and Disassembly 51 8 Remove the four fixing screws from the LCD panel module 9 Take the metal bracket out from the left hand side ...

Page 54: ... M8031B Backlight Replacement 52 10 Disconnect the two backlight inverter cables from the LCD panel module found on the right hand side of the panel 11 Extract the cables by sliding them out gently from the metal chassis holes ...

Page 55: ...M8031B Backlight Replacement 6 Repair and Disassembly 53 12 Lift and extract the LCD panel carefully ...

Page 56: ...6 Repair and Disassembly M8031B Backlight Replacement 54 Replacing the Backlights 13 Unscrew cold cathode fluorescent lamp assembly with a Philips head screwdriver upper and lower ...

Page 57: ...Repair and Disassembly 55 14 Pull out the cold cathode fluorescent lamp assembly upper and lower CAUTION Do not pull the cable directly as this may cause damage to the cable Watch your fingers because the edge of lamp holder is sharp ...

Page 58: ... Backlight Replacement 56 15 Remove the cold cathode fluorescent lamp assembly upper and lower CAUTION Do not pull the cable directly as this may cause damage to the cable Watch your fingers since the edge of the lamp holder is sharp ...

Page 59: ... and Disassembly 57 16 Insert the new cold cathode fluorescent lamp assembly upper and lower CAUTION Insert the lamp assembly so that the white sheet is hidden under the holder Watch your fingers since the edge of the lamp holder is sharp ...

Page 60: ...sassembly M8031B Backlight Replacement 58 17 Screw in cold cathode fluorescent lamp assembly upper and lower 18 Reassemble the display by performing steps 1 to 12 in reverse order 19 Perform power on and safety tests ...

Page 61: ...M8033C Backlight Replacement 6 Repair and Disassembly 59 M8033C Backlight Replacement 1 Remove the plastic back cover 2 Remove the fixing screws from the front mask four screws at the corners ...

Page 62: ...etal back cover by removing the 10 fixing nuts and disconnect the flex cable from the Touch controller board 4 Disconnect the keyboard cable and remove the eight nuts fixing the metal chassis 5 Lift the metal chassis and disconnect the video signal and the inverter cables ...

Page 63: ...metal chassis from the panel Remove the the panel from the front mask but leave the touch screen in its position inside the front mask 7 Disconnect the lamp connectors from the inverter 8 Remove the two screws fixing the side bracket only the bracket close to the inverter ...

Page 64: ...Backlight Replacement 62 9 Remove the two screws fixing the two lamp assemblies to the panel by turning the screws counterclockwise 10 Take out the two lamp assemblies using a screwdriver 11 Remove the lamp assemblies and replace them ...

Page 65: ...M8033C Backlight Replacement 6 Repair and Disassembly 63 12 Screw in the lamp assemblies and reassemble the monitor following the previous steps in reverse order ...

Page 66: ...6 Repair and Disassembly M8033C Backlight Replacement 64 ...

Page 67: ... LCD Display M8031 64001 4512 610 01931 Ext Power Supply Holder for 15 and 19 LCD Display M8031 68001 4512 610 01941 Exchange 15 LCD Medical Grade Display 2090 0860 4535 634 63201 Backlights for M8031B M8033 68071 4512 610 09161 M8033C Exchange 17 Medical Grade Monitor with Touch n a 4519 208 80311 Backlights for M8033C 4535 641 92181 865299 Exchange 19 LCD Medical Grade Display n a 4535 641 16741...

Page 68: ...7 Part Numbers 66 ...

Page 69: ...nsions 3 I Installation 5 19 installation 3 M manufacture date symbol 41 modifications 3 Mounting 10 P Part Numbers 65 parts and accessories 3 performance 3 protective earth symbol 41 R reliability 3 Repair and Disassembly 45 repairs 3 S safety 3 tests 39 safety tests power on test 39 visual safety check 39 T tests safety 39 Troubleshooting 43 ...

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