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DP-4900/DP-6900/SK-40 Service Manual

1. 1 Exit JU Clne lt 18 gt lt 19 gt r 4_Exam_ LU Probe j _Setup_ c TWA Nf z We E 000 ee i 2 F4 EE el ss Aid sae Ede aa 88 Dual Quad J EE Rev D Rev LI lt 31 gt gt lt 32 gt C E3 lt 39 gt Figure 2 7 Control Panel No Name Function Adjusts the acoustic power when rotated The function when 1 A Power pressed can be preset 2 End Exam Ends the current exam 3 Info Opens closes the patient information dialog box 4 Exam Opens the exam mode menu to select an exam mode 5 Probe Switches probes 6 F5 User defined key the function of which can be preset 7 File Opens iStation 8 Setup Opens the preset menu 2 5 System Structure No Name Function 9 Indicator Reserved 10 TGC Time Gain Compensation Character amp number 11 Used for inputting characters and symbols keys 12 F4 User defined key the function of which can be preset 13 F3 User defined key the function of which can be preset 14 Comment Enters exits character comment mode 15 Ar
2. No Label Network 35 TP17 SCIDOUT 36 TP18 SPI_5626_DIN 37 TP19 SPI_5626_CS 38 TP20 SPI_714_CS 39 TP21 SPI_714_CLK 40 TP22 CPU_ADDRO 41 TP24 VDD 42 TP27 GND 43 TPU75 TPU75 44 TPU79 TPU79 45 VCC VCC 3 2 2 Probe Board 3 2 2 1 Principle of Probe Board Standard configuration of the product is single socket probe board but double sockets probe board is optional Double sockets probe board mainly includes A B probe sockets 80 channel selection circuit probe and PCB ID output circuit relay control circuit and power circuit Single socket probe board mainly includes probe socket probe and PCB ID output circuit and power circuit Probe Probe socket socket A B 245 Pout_A 80 1 Pout_B 80 1 245 Relay t 3 3V Voltage transformation 5V signal PCB_ID Main board 3 10 Principle Description Figure 3 6 Schematic Diagram of Double Sockets Probe Board 3 3V 245 Voltage transformation PCB_ID Pout 80 1 5V Main board Figure 3 7 Schematic Diagram of Single Socket Probe Board 1N4148 1N4148 D 1N4148 D3 1N4148 1N4148 1K PROBE SWITCH RAAR Q 2N7002LT1G Figure 3 8 Double Sockets Probe Board Relay Drive Circuit Control circuit connection of DPDT double pole double throw relay is shown i
3. 3 Select Export Import or Restore factory as required System Maintenance A To export the selected presets and save them in different files B To import the preset parameters according to the selection or to restore it to the original factory default C TO export all the preset parameters and save them in a file D To import all the preset parameters at one time E To restore all preset parameters to the default value NOTE 1 Preset factory setups c cs02 preset factory 2 Preset data d preset current 7 2 4 Maintenance Status Copy the files to be used into a USB flash drive Then insert the USB flash drive into the USB port on the main unit 1 Enter into preset status Please refer to 7 2 1 Preset 2 Select Maintenance Preset Systen Preset Exan Preset Inage Preset Heasure Preset Comment Preset 3 Press Set to pop up the following dialog box Enter the correct password select OK and press Set to enter to Maintenance menu Haintenance Systen Update 7 6 System Maintenance 7 2 5 Software Updating Do not turn off the power supply in the process of updating NOTE p pply p p g Otherwise it will damage the system 7 2 5 1 Updating This updating is done through an updating pack the content to be updated is the content changed in the last version prior to the updating pack NOTE After updating by updating pack it needs to reupgrade the
4. 8 8 Is 13 5V output normal Is 3 3V output normal Y Check and measure other Check 13 5V circuit esp L11 ZD5 and U7 etc Check if 3 3V circuit esp U16 and C133 etc output circuit Troubleshooting Check U3 Q4 T1 and R66 etc Connect AC input ly Is 5V output normal Is C12 terminal voltage 390v dc Is there positive impulse with Check OTP 5V y amplitude over 2V at output OCP and positive poles of D15 OVP circuit lt and D16 at the instant of starting up ll N Check PFC output Is there positive circuit C23 C24 R30 and feedback resistance Check if U1 peripheral devices L5 Q1 and D2 is normal Y C25 terminal voltage impulse with amplitude over 2V at positive pole of D14 atthe instant of starting up If the max value of is over14 5V at the instant of starting up N N Check and replace D44 ZD1 U1 start resistance Q2 Q3 and fuse etc Over Figure 8 4 Check Flow of Power Supply Board Malfunction Is 13 5V output normal Is 3 3V output normal Y Check and measure other Check 13 5V circuit esp L11 ZD5 and U7 etc Check if 3 3V circuit esp U16 and C133 etc output circuit Of course considering the complexity of boards the flow described above is only for basic instruction You should analyse the d
5. Disassembly DP 6900 keyboard top cover 2304 20 89237 51 j SK 40 keyboard top cover C 043 002035 00 7 Keyboard knob C die MR29071 2300 20 29073 8 Keyboard knob A die MR29071 2300 20 29071 9 Keyboard knob B die MR29071 2300 20 29072 10 Keyboard toggle switch die MR29074 2300 20 29074 11 Transparent lamp shade B die MR29069 2300 20 29070 12 SPEAKER 8 ohm 15 1 0W SPL 86 M90 100123 4 1 2 2 Exploded View of Bottom cover keyboard assembly Figure 4 3 Exploded View of Bottom Cover Keyboard Assembly No Name PN number 1 Bottom cover of keyboard die MR29062 2300 20 29062 DP 4900 decorative cover 2300 20 29063 56 2 DP 6900 decorative cover 2300 20 29063 57 SK 40 decorative cover C 043 002034 00 3 Setting bolt spring 2300 20 29065 4 Key buckle die MR29064 2300 20 29064 5 Spacing piece die MR29064 2300 20 29066 4 4 System Structure and Assembly Disassembly Transparent lamp shade B die 2300 20 29070 MR29069 7 Hollow shafting 2300 20 29067 4 1 3 Exploded View of Main Unit Box Module Figure 4 4 Exploded View of Main Unit Box Module No Name PN number 1 Connection board 2300 30 29053 2 Main unit box 2304 20 89206 3 Conduction foam 0501080 9901 10 23920 4 Guide slot CG 19A plastic M90 000115 5 Power supply board module 2304 30 89243 Main board and probe board modules 2303 30 89067 one probe Main b
6. ELECTRICAL SAFETY INSPECTION 3 Device Labeling TEST PROCEDURE Check the labels provided by the manufacturer or the healthcare facility are present and legible gt Main Unit Label Integrated Warning Labels gt gt Slope and High Voltage Caution Label gt Don t Stress Label A 4 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 4 Protective Earth Resistance VOERVIEW Protective Earth Resistance is measured using the RED test lead attached to the DUT Protective Earth terminal or enclosure Select the test current by pressing SOFT KEY 3 to toggle between 1AMP 10AMP and 25AMP The front panel outlet power is turned off for this test The following conditions apply L1 and L2 Open TEST PROCEDURE Prepare 1 First select the test current that will be used for performing the Protective Earth Resistance test by pressing AMPERES SOFT KEY 3 2 Connect the test lead s between the RED input jack and the GREEN input jack 3 Press CAL LEADS The 601PRO will measure the lead resistance and if less than 0 150 Ohms it will store the reading and subtract it from all earth resistance readings taken at the calibrated current Calibration in Progress Iscale 1 004 Lead Resistance Too High Connect test lead from RED input jack To GREEN input jack Gp D D OV aD 4 Ifthe calibration fails the previously stored readings will be used until a passing calibratio
7. The key matrix adopts the signal in row and line control metood Testing signal will be output from FPGA line by line When press a certain key the signal in row will be corresponding to a signal in line The location of the pressed key can be known from sequency number of row and line The schematic diagram of key scanning is shown in Figure 3 12 3 18 Principle Description VDD VDD VDD O O O RU RU R 74HC14 F jy p T4HC14 R1 G 74HC R2 A LO 74LSO L1 TALSOTK 12 74LS07 Ad d d GND GND GND Figure 3 12 Schematic Diagram of Key Scanning Thin film switch adopts the three layers implementation method of upper wiring film lower wiring film and middle insulation film The middle insulation film takes the function of separation and opens a hole at key contact The upper and lower wiring film form two poles at key contact When pressing the key the up and down poles are conducted When the key is unpressed for the separation of middle insulation film the up and down poles are unconnected 3 2 5 3 Description of Speaker Drive Circuit The keyboard board adopts the project of PWM plus RC Ffilter and speaker acoustics The sketch map of speaker drive method is shown in Figure 3 13 PWM 800HZ sine wave Speaker Figure 3 13 Sketch Map of Speaker Drive Method 3 2 5 4 Socket Definition The socket definition of control pane is shown in Table 3 13 Table 3 13 So
8. Mindray number The Mindray number must appear on the outside of the shipping container Returned shipments will not be accepted if the Mindray number is not clearly visible Please provide the model number serial number and a brief description of the reason for return 2 Freight policy The customer is responsible for freight charges when this product is shipped to Mindray for service this includes customs charges 3 Return address Please send the part s or equipment to the address offered by Customer Service department Company Contact Manufacturer Shenzhen Mindray Bio medical Electronics Co Ltd Address Mindray Building Keji 12th Road South Hi tech Industrial Park Nanshan Shenzhen 518057 P R China Phone 86 755 26582479 26582888 Fax 86 755 26582934 26582500 Safety Precautions 1 Meaning of Signal Words In this operator s manual the signal words NDANGER NWARNING and NOTE are used regarding safety and other important instructions The signal words and their meanings are defined as follows Please understand their meaning before reading this manual Indicates an imminently hazardous situation that if not avoided ANDANGER pi will result in death or serious injury Indicates a potentially hazardous situation that if not avoided ZAAWARNING ie could result in death or serious injury Indicates a potentially hazardous situation which if not avoided A CAUTION eed ie may result in minor or mod
9. automatic self test output results pass or fail including three items Mm ADS5277 test m VCA8617 test m TLV5626 Test 2 Power Voltage Test item automatic self test output results testing voltage value of PIN including three items m Pin 7 13 500V voltage value m Pin 8 12 000V voltage value m Pin22 PHV voltage value m Pin13 3 300V voltage value m Pin15 2 500V voltage value m Pin21 5 000V voltage value System Maintenance 10 11 m Pin23 1 200V voltage value m Pin24 5 000V voltage value m Pin25 3 000V voltage value m Pin28 1 500V voltage value Clock Battery Test Item automatic self test output results voltage value of main board battery because the influence of diode voltage the voltage value of main board battery is not exact eg the reading of no battery is 0 624V m Battery 3 000V voltage value Fan Status Test Item automatic self test output results pass or fail if fan is blocked or power is off the result is fail m Fan test passed Hard Disk Test Item automatic self test output results model of optional harddisk or no its information m Model WDC WDBOOAAJS GOPSAO SSD Test Item automatic self test output results capacity and model of SSD harddisk or no its information m Model 512MB ATA Flash Disk USB Test Item automatic self test output results USB chip ID or chip malfunction information Mm USB chip id 0x6123 Ethernet Test Item automatic self test output r
10. corrected submit a Safety Failure Report to document the system problem Remove unit from A 13 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 7 Mains on Applied Part Leakage operation If all else fails stop using and inform the Customer Service Engineer for analysis and disposal LIMITS For BF transducer 5000pA Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 8 Patient Auxiliary Current OVERVIEW Patient Auxiliary currents are measured between any selected ECG jack and the remaining selected ECG jacks All measurements may have either a true RMS or a DC only response TEST PROCEDURE Prepare From the MAIN MENU or with the outlet unpowered plug the DUT into the 601PRO front panel outlet and turn on the device Attach the patient leads to the 601PRO ECG jacks Define the Lead Types from the View Settings Option refer to Lead Type Definitions in Section 5 of this chapter Press shortcut key 8 The Patient Auxiliary Current test is displayed and the test begins immediately Display values are continuously updated until another test is selected Patient Auxiliary Cur RA AII Outlet Norm Pol Earth L2 OuA Limit Inv DUT OFF NO EARTH NOL2 APPLIED PART aD D as D TD aD Press SOFT KEYS 1 4 to select leakage tests Press APPLIED PART SOFT KEY 4 at any time to select the desired applied part leakage current Modify the configuration of th
11. or abrasive cleanser to clean the system Otherwise the system may be damaged Do not use hydrocarbon detergent or detergent used on OA equipments to clean the screen Otherwise the display performance may degrade Maintenance Requirements Tool Blunt cross screwdriver big Wire cutting pliers Sharp nose pliers Diagonal cutting pliers Electric iron and its holder De soldering gun Wrench suite Adjustable wrench Tweezers Hammer Metric general wrench suite Cable all models Knife Consumable Insulating tape Hishilite tube heat shrink tube insulating tube all models Cable all models Screws nuts gaskets all models Solder stick File folders all models Alcohol for cleaning and disinfection Tools Model Manufacturer Specification Standard Screwdrivers all models and sizes Mm Not specified Not specified N Not specified a Not specified EE Not specified N Not specified N N Not specified P Not specified Not specified Not specified Not specified ma Not specified Not specified Not specified Consumables MEE Not specified Not specified PF Not specified ag Not specified 5 2 Maintenance Personnel To ensure the system performance and safety only Mindray engineers or engineers authorized by Mindray can perform maintenance 5 2 Specification Standard Checking Checking 6 1 System Status Checking 6 1 1 Checking Plan Check p
12. s there display in monitor No v Replace main board switch of monitor No Is there display in monitor Yes there display afte replacing connection board No S there displa after replacing CRT module Yes Yes main board Replace s it yellow of monitor indicator Yes Yy Replace power board s it yellow of monito indicator Yes Figure 8 1 Examine and Repair Flow of Blank Screen 8 6 No Image Displayed in the Image Area Malfunction description there is no image displayed after the system is started Troubleshooting 1 Replace probe 2 Replace probe board 3 Replace power module 4 Replace main board 8 2 Troubleshooting Replace main Any probe board eke connected Yes Yes y Remove all probes No y Connect i probe and No image replace power module No Figure 8 2 Examine and Repair Flow When No Image Displayed in the Image Area 8 7 Snow in Image Malfunction description there is snow storm in image after the system is started Troubleshooting the potential cause is time sequence of FPGA can t meet design index or the problem of front end chip It s recommended to replace main board 8 8 Application of Self test 8 8 1 Checking Voltage for Each Channel According to system definit
13. them They are the property of their respective owners Responsibility on the Manufacturer Party Contents of this manual are subject to changes without prior notice All information contained in this manual is believed to be correct Mindray shall not be liable for errors contained herein nor for incidental or consequential damages in connection with the furnishing performance or use of this manual Mindray is responsible for the effects on safety reliability and performance of this product only if Allinstallation operations expansions changes modifications and repairs of this product are conducted by Mindray authorized personnel The electrical installation of the relevant room complies with the applicable national and local requirements The product is used in accordance with the instructions for use Upon request Mindray may provide with compensation necessary circuit diagrams calibration illustration list and other information to help qualified technician to maintain and repair some parts which Mindray may define as user serviceable N Note AN This eguipment is not intended for family usage This eguipment must be operated by skilled trained medical professionals N Warning AY It is important for the hospital or organization that employs this equipment to carry out a reasonable service maintenance plan Neglect of this may result in machine breakdown or injury of human health Warranty THIS WARR
14. 2Q Maximum A 6 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 5 Earth Leakage Test OVERVIEW Run an Earth Leakage test on the device being tested before performing any other leakage tests Leakage current is measured the following ways Earth Leakage Current leakage current measured through DUT outlet Earth Earth Leakage Current AP EARTH ALL Applied Parts connected to Earth leakage current measured through DUT outlet Earth There is no need to attach a test lead the 601PRO automatically connects the measuring device internally TEST PROCEDURE Perform the Test From the MAIN MENU or with the outlet unpowered plug the DUT into the 601PRO front panel outlet and turn on the device Attach the device s applied parts to the 601PRO applied part terminals if applicable Press shortcut key 4 The Earth Leakage test appears on the display and the test begins immediately Earth Leakage Outlet Rev Pol No Earth L2 No AP Earth OuA Limit Inv DUT OFF EARTH NO L2 AP EARTH pep es ew es ED SOFT KEY 1 toggles the DUT outlet Polarity from Normal to Off to Reverse SOFT KEY 2 toggles the DUT outlet from Earth to No Earth SOFT KEY 3 toggles the DUT outlet from L2 to No L2 SOFT KEY 4 toggles the AP to Earth to No AP to Earth Press the print data key at any time to generate a printout of the latest measurement Check any broken of the AC DC adapter and its cable Replace a new one
15. 5 D 5V power 8 D 5 D 5V power The signals main board sending to monitor are transferred via connection board 13 5V power supply is from 13V5 of connection board Connection board provides a 6 pin socket and a 4 pin socket the interface definition of monitor signals is shown in Table 3 9 Table 3 9 Interface Definition of Monitor Signals No Name Description 1 GND Signal ground 2 HS Horizontal hold signal 3 GND Signal ground 4 VS Field locking 5 GND Signal ground 6 B BLUE signal The interface definition of monitor power is shown in Table 3 10 Table 3 10 Interface Definition of Monitor Power No Name Description 1 GND Power ground GND Power ground 13V5 13 5V power AJOJN 13V5 13 5V power 3 2 4 10O Board IO board is fixed on sheet metal Except USB port is on the side of the device footswitch socket is on the sheet metal at the back of the device all other external IO interfaces Video S Video VGA Remote and network are on IO board 3 14 Principle Description Main board IO board Figure 3 9 Sketch Map of IO Board Connection Relation IO board is connected with main board by wires The interface definition is shown in Table 3 11 Table 3 11 Interface Definition between Main Board and IO Board No Name No Name 1 VIDE
16. 5V 2 0A 0 2A Digital part 3 2 6 2 Principle The schematic diagram of power supply board is shown in Figure 3 14 3 22 Principle Description Forward transformer EMI filter BOOST AC rano APFC 2 curren i i input suppression circuit circuit Magnetic shirt amplification 13 5V output adjustment 1 OCP amp OVP Magnetic amplification 12V output OCP amp OVP adjustment 2 OVP amp ata BOOST PHV output UVP amp ee Sennen change ocpgovp OTP Level translation PHV control signal Circuit Isolating N 5 5V A 5V output gt drive EWN D 5V output controller icici 5V output change Feedback OVP amp BUCK 333V output V circuit OVP change Linear __ 2 5V output S Optical stabilizing 2 coupling Linear 1 5V output isolation stabilizing 3 Figure 3 14 Schematic Diagram of Power Supply Board Just as shown in the above figure power supply board includes four parts input part PFC front end FORWARD transformer and inferior DC AC circuit gt AC input firstly goes through EMI filter and surge current suppression circuit and then
17. LINE4 thin film J6 11 NC 12 KEY LINES switch 13 NC 14 KEY LINES lower 15 NC 16 KEY LINE7 wiring 17 NC 18 NC 19 NC 20 NC 21 NC 22 NC 23 NC 24 NC 25 NC 26 NC 27 NC 28 NC 29 NC 30 NC 1 TCK JTAG clock 2 TDO JTAG data output JTAG 3 TMS JTAG TMS J4 socket 4 TDI JTAG data input definition 5 VDD VDD voltage 6 GND System ground J8 Speaker 1 BUZO Speaker positive socket end input 2 BUZ1 Speaker negative end input 3 2 6 Power Supply Board 3 2 6 1 Overview Power system is the power supply for whole ultrasonic diagnostic system It mainly supplies 3 21 Principle Description the system with 5V D 5V and A 5V 5V 12V 13 5V 3 3V 1 5V 2 5V and programmable high voltage totally 9 groups DC output The performance index of each output is shown in Table 3 14 Table 3 14 Performance Index of Power Supply Board Output p Volta Ratin Ripple Rating g te Voltage Load 5 No e g Minim j noise voltage regulatio regulation Use accur load al load MV px V n rate rate acy pk Analog 1 A 5V 3A 0 5A part keybo lt 30m ard V Keyboard 2 D 5V 3 5A 1 0A USB 3 5 0V 0 4A 20mA Amplifier 4 13 5V 1 5A 0 3A VGA 5 lt 2 lt 5 Fan 5 12V 0 35A 100mA lt 50m CMOS V drive Transmitti 6 HV 50mA 0 ng circuit 7 3 3V 3 5A 0 2A Digital part lt 30m 8 2 5V 1 0A 0 2A Digital part V 9 1
18. PT3X8 bright nickel M04 003105 gt plating 5 Philips small pan head screw with pad GB9074 5 88 M04 004012 M3X6 antirust nickel plating 4 2 9 Disassemble and Replace Monitor Protection Screen 1 Slide respectively two fixing buckles which are used to secure monitor protection screen and pull the buckles out 2 Pull out the top of monitor protection screen outwards and lift it up to remove it System Structure and Assembly Disassembly Figure 4 30 Sketch Map of Monitor Protection Screen Disassembly 4 2 10 Disassemble Keyboard Trackball and Speaker 1 Remove two slica gel caps of keyboard and two M3X6 screws which are used to secure top cover of keyboard Figure 4 31 Sketch Map of Slica Gel Caps of Screen Disassembly 2 Remove upwards the top cover of keyboard by putting hands on the position shown in the figure below 4 22 System Structure and Assembly Disassembly 4 Figure 4 32 Sketch Map of Top Cover of Keyboard Disassembly 3 Pull out the tie of keyboard connection wire and remove top cover of keyboard Figure 4 33 Sketch Map of Top Cover of Keyboard Disassembly 4 Pull out the tie near to trackball connection wire and remove four ST3x14 tapping screws which are used to secure trackball and then remove trackball 4 23 System Structure and Assembly Disassembly Figure 4 34 Sketch Map of Trackball Disassembly 5 Pull out keyboard knob A two keyboard knobs B key
19. Single update finished please restart the system will be prompted 5 Exit maintenance menu return and restart the sysytem to let the updating take effect 7 2 6 Installing and Uninstalling the Software of Optional Devices 7 2 6 1 Installing Optional Software 1 Copy dicom key based on the MAC address of any device into U flash drive 2 Enter Preset menu refer to 7 2 1 Preset and click System Preset 3 Select Option in the dialog box of System Preset 4 Select DICOM click Install to pop up the dialog box in which select corresponding key file to confirm the installation After installation it displays installed in DICOM item 5 Click OK to exit the current page 6 Enter System Preset menu and System Information again to review that DICOM is added in System Preset menu and DICOM installed is displayed in System Information 7 2 6 2 Uninstalling Optional Software 1 Enter Preset menu refer to 7 2 1 Preset and click System Preset 2 Select Option in the dialog box of System Preset 3 Select the item to be uninstalled in the list of Option list click Uninstall and then click OK 7 8 System Maintenance 4 Click OK to exit the current page Enter System Preset menu again to review that DICOM is not in System Preset menu and not installed is displayed in DICOM 7 2 7 System Self test 7 2 7 1 Checking Item 1 Front End Test item
20. UL60601 1 others shall comply with the reguirement of IEC60601 1 Name Signature Date A 1 1 P N 046 000009 00 V6 0
21. USB controller U166 E IDE2SATA S Serial GA U177 si port Ethernet ETA di controller SSD U167 U147 Main VideoDA board i c Network VGA Svideo Video Video Foos len J3 J5 J4 J2 printer only for portable J6 4 Figure 3 4 Peripheral Interfaces of Main Board and Connection Relation 1 The interface definition between main board and probe board needn t testing so it will not be listed here for the reason of secrecy 2 The signal description between main board and probe board is shown in Table 3 2 Table 3 2 Signal Description between Main Board and Probe Board Name Function POUTI8O 1 High voltage transmitting and receiving PRB_ID 5 0 Probe identifies ID code ID code of board PRBID_RD 1 0 Probe ID reading enable PRB_SW Probe switching control relay switching PRBA_PRT_N Probe on site signal 3 4 Principle Description 3 PRBB_PRT_N VCC_PRB Power of probe board 5V GND Ground return The interface definition between main board and connection board is shown in Table 3 3 Table 3 3 Interface Definition between Main Board and Connection Board Pin No A B C 1 PHV PHV PHV 2 NC NC NC 3 GND GND GND 4 5V 5V 5V 5 GND GND GND 6 12V 12V 12V 7 GND GND GND 8 A 5V A 5V A 5V 9 A 5V A 5V A 5V 10 A 5V A 5V A 5V 11 GND GND GND 12 HVC GND GND 13
22. and control panel Clean the screen Clean the peripherals and accessories Clean the cable and the power cord Figure 7 1 Cleaning Flow 7 1 2 Details for Cleaning 1 Clean the interior of main unit and fans Disconnect the power cord from the power socket Disassemble accessories such as probes and printers 7 1 System Maintenance 2 Clean the enclosure and control panel Use neutral cleanser to remove the dust on the enclosure of main unit and on the control panel If it is difficult to clean the control panel disassemble the keys first and then use neutral cleanser to clean it 3 Clean the screen Make sure the screen is not skew and the fixing mechanism is secured Using a soft cloth apply a glass cleaner directly to the cloth and wipe down the screen to remove finger marks dust and smudges Allow the monitor to air dry 4 Probe Please refer to the corresponding probe manual to clean disinfect and sterilize the probe 5 Cable cord Use neutral cleanser to clean the cable and power cord 6 Cleaning of the trackball a Disassemble Press the bulges on the clamping ring by both the hands and turn the ring about 45 clockwise until it lifts Take out the ring and the rotary ball Be careful not to drop the ball Shown as follows Rotary ball Clamping ring Top cover ay NE b Cleaning Clean the two long shafts the bearing and the rotary ball w
23. b The control circuit is in failure Malfunction description there is no any sound when pressing the key Troubleshooting c The wire of speaker is in failure Check if the wire is connected right or not d Speaker is damaged Pull it out connect positive electrode of dry battery of size 5 to TE on the speaker with wire and then touch point of the speaker with negative electrode of battery If you can hear ringing dada sound it indicates the function of speaker is normal otherwise it s in failure Malfunction description trackball can t work Troubleshooting a The wire of trackball is in failure Check if the wire is connected right or not b Trackball is damaged Check if there is much dust in trackball or it is damaged Malfunction description key can t be responsed Troubleshooting a The connection of thin film switch is in failure Check if the socket of thin film switch is pluged well or not b Thin film switch key is damaged Check if the silk screen of thin film switch key is broke or not 8 11 Troubleshooting of Power Supply Board Before troubleshooting connect the power supply board to load by the way in Figure 8 3 Load 8 6 Troubleshooting A is necessary load B is dicided by the situation In order to be convenient for maintenance under some specified situations please note that the current value of load B can t be over 0 1A and load B can only be loaded when o
24. ee ee RR ee AA ee ee ge ee 8 1 8 3 System Power Fan Speed Check se ees se ee GR Re GR Re ee GR Re ee Ge Re ee GR Re ee 8 1 8 4 The System can t be Started 20 ie ee ee ee ee RR Ge AA Ge Re ee RA ee ee ge ee 8 1 8 57 Blank Screen EE EE DE SE EE EE se Ge De EE Ge Ee ee 8 1 8 6 No Image Displayed in the Image Area se ee ee AA ee AA ee Ge ee ee 8 2 97 Show inlmage ss RE DR Ee ge De ae eee ea in etna 8 3 8 8 Application of Self test se ee AR AA Ge AA RR Ge ee ee ee RA AA ee ee ee 8 3 8 8 1 Checking Voltage for Each Channel sesse esse ee ee ee ee ke ee Ge ee ee ee ke ee ee AA ee ee 8 3 8 8 2 Checking Electrical Quantity of Real time Clock Battery iis see see ee ee 8 4 8 8 3 Checking Fan Status eie ee ee RA Ge AA Ge AR Re ee GR AA Ge ee ee ee Re ee ee ee ee ee 8 4 8 8 4 Checking Peripheral Devices Interfaces ie ee ee ee AR RA Ge AA ee ee 8 4 8 8 5 Checking Correctness of Front End Control sees se esse ee ee ee ee ee Ge AA ee ee 8 4 8 8 6 Checking Probe Board cccccccecceesceceeeeeeeeeeeeaeeeeeeeseaeeesaaeeseaeeseeeeesaaeeesaeeeneeeeaas 8 4 8 8 7 Checking Keyboard Board see ee ee ee ee RR AA Ge AA Ge AR Re ee ee ee ee ee ee ee 8 4 8 9 Probe Board MalfUNCtion eise ee ee ee ke ee AR Ee AR Re ee ee AR ee ee ee 8 5 8 9 1 Single Socket Probe Board can t be Recognized ee ee ee ee ee 8 5 8 9 2 Double Sockets Probe Board an t be Recognized iese se ee ee 8 5 8 10 Malfunction of Control Pa
25. it is regulated by BOOST APFC for power factor simultaneously it outputs steady 390V DC power as the input of inferior FORWARD transformer The FORWARD transformer which can output 5V 5V 13 5V and 24V among which 24V is the input of programmable high voltage PHV 13 5V is dropped to 12V via two diodes while 5V is diverted to A 5V and D 5V as the input of 3 3V 1 5V etc DC AC transformer at last 3 3V is regulated to 2 5V via linear stabilizing PFC circuit adopts UC3845 produced by TI Company as control chip and is BOOST transformer based on mean current mode controlling with excellent and reliable performance In addition switching tube adopts IRFPC60LC produced by IR with the parameter of 600V 16A and fly wheel tube adopts ISL9RL1560G2 produced by FAIRCHILD with the parameter of 600V 15A The controlling chip U3 of FORWARD is MB3769A produced by FUJITSU which is a controlling chip of voltage type Transformer T1 also meets the requirements of safety insulation Switching tube adopts 2SK2485 produced by NEC with the parameter of 900V 6A The main feedback output of FORWARD transformer is 5V 3 23 Principle Description while 13 5V is exactly regulated via magnetic amplifier 5V output is regulated via LM337 linear stabilizing gt HV output is obtained by BOOST transformer Controlling chip is TL594 produced by ON SEMI which is a controlling chip of voltage type HV output voltage is controlled by 0 4V analog signa
26. pressed can be preset Press to switch among items and rotate to adjust the Multifunctional knob corresponding item 37 R Depth Zoom Depth Adjusts the depth Bastian e Zoom Magnifies the image Rotation Rotates the arrow mark or the probe mark of the body mark 38 Print Printing 39 Freeze Freezes unfreezes the image 2 3 Introduction of Rear VO OR Cy Figure 2 8 Rear I O Ports Function Connects the remote cable of the video printer 2 7 System Structure AC IN Power switch Connects to the video input port of the video printer Accepts the network cable Connects to the video input port of the video printer Connects an external monitor Accepts the power cord Power on off Accepts a foot switch 2 8 Principle Description Principle Description 3 1 Schematic Diagram of the System Transmitting receiving of main board Probe EER RAM interface For goch High voltage Low voltage Control BF probe transmitting transmitting pecten drive drive Probe i structure Ed z 80ch Signal Er PHV i Probe board t sed For Transmitting and contro psc f 5V receiving Control module auich Control FPGA ATGC Control Control panel 46 8ch DAC TGC Rear of the nay Operational 6 8ch NEE el dees Trackball amplifier PHV
27. screws which are used to secure probe board 4 16 System Structure and Assembly Disassembly sg Figure 4 22 Sketch Map of Probe Board and Mian Board Disassembly 7 No Name PN number Philips small pan head screw with pad GB9074 5 88 M04 004012 M3X6 antirust nickel plating 2 Staionary barrier of main board 2 2304 20 89210 3 Ground sheet metal 2304 20 89244 4 Stationary holder of main board 2304 20 89211 5 Shielding cover of probe board 2304 20 89213 Single socket probe board PCBA 2303 30 89051 Double sockets probe board PCBA 2304 30 89201 4 2 7 Disassemble and Replace Harddisk Optional devices 1 Implementing procedures 1 to 6 of 4 2 6 remove main board 2 Remove four M3X6 screws which are used to secure harddisk module and remove harddisk module 4 17 System Structure and Assembly Disassembly Figure 4 23 Sketch Map of Harddisk Disassembly 1 Remove four M3X4 screws to remove stationary barrier of harddisk and replace harddisk Figure 4 24 Sketch Map of Harddisk Disassembly 2 No Name PN number Philips small pan head screw with pad GB9074 5 88 M3X6 antirust M04 004012 nickel plating 2 Harddisk 80G 5400rpm 8MBSATA interface laptop 0000 10 10790 3 Stationary barrier of harddisk 2304 20 89212 4 18 System Structure and Assembly Disassembly 4 Philips pan head screw GB T818 2000 M3X4 antirust nickel plating MO4
28. signal of probe board ID is in failure If the failure can t be removed after replacing probe board it can confirm that main board is in failure Malfunction description no matter probe A or probe B is connected there is normal image in only half area of the screen and the position of A and B normal image are different Troubleshooting the relay control circuit is in failure The probable reason is probe malfunction Please replace probe board 8 10 Malfunction of Control Panel 1 Malfunction description D4 of LED is not on Troubleshooting there is no 5V mains supply for control panel Check 5V power circuit of 8 5 Troubleshooting control panel 2 Malfunction description keyboard dosen t work normally and D3 of LED is on but D63 is not on Troubleshooting a FPGAconfiguration is not succeeded There is no writing file Write it b Corfirm FPGA voltage is normal or not Measure the voltage drop from two sides of C125 The standard value is 1 2V if it is not reached replace U3 c Corfirm FLASH voltage is normal or not Measure the voltage from two sides of C127 The standard value is 3 3V if it is not reached replace U28 d FLASH is in failure Replace U26 e FPGA is in failure Replace U27 Malfunction description main unit can t communicate with control panel Troubleshooting a The wire between keyboard and connection board is in failure Check if the wire is connected right or not
29. 041 00 4 25 System Structure and Assembly Disassembly DP 6900 silicon rubberkey 049 000040 00 17 Control panel PCBA 051 0001 83 00 Philips pan head tapping screw PT3X8 bright nickel MO4 003105 i plating 4 2 11 Disassemble and Replace Fan and Dustproof Net 1 Implementing the procedure in 4 2 1 remove back cover 2 Remove the tie of fan on rear board and four M3X30 screws to remove the fan Figure 4 37 Sketch Map of Fan on Rear Board Disassembly 3 Remove the tie of fan on back board and eight M3X30 screws to remove the fan 4 26 System Structure and Assembly Disassembly Figure 4 38 Sketch Map of Fan on Back Board Disassembly No Name PN number 1 Small fan pad 2300 20 29099 Plain washer class A GB T97 1 20023 antirust nickel M04 000802 plating Philips pan head screw GB T818 2000 M3X30 antirust M04 002705 i nickel plating FAN 12V 6 3cfm 18dB40 40 20MM CS02 main unit M90 000185 4 module 5 Steel mesh 2300 20 29256 4 2 12 Disassemble USB Extension Line 1 Implementing the procedures from 4 2 1 to 4 2 3 and the procedures in 4 2 8 remove back cover IO back cover back cover module of main unit and front cover module 2 Remove seven PT3x8 crews which are used to secure enclosure bottom and remove main unit box Figure 4 39 Sketch Map of Main Unit Box Disassembly 3 Remove two PT3x8 screws which are used to secure USB press plate and remove it
30. 051001 01 4 2 8 Disassemble and Replace CRT CRT Adjustment Board and Main Unit Connection Board 1 Implement the procedures in 4 2 1 4 2 3 to remove back cover and remove IO back cover module and back board module 2 Remove four PT4X14 screws which are used to secure front cover Figure 4 25 Sketch Map of Screws of Front Cover Disassembly 3 Remove CRT signal wire keyboard connection wire CRT power wire and CRT adjustment tie 4 19 System Structure and Assembly Disassembly Figure 4 26 Sketch Map of Each Wire Disassembly 4 Remove eight M3X8 screws which are used to secure CRT to remove CRT assembly Figure 4 27 Sketch Map of CRT assembly Disassembly 5 Remove CRT adjustment knob and four PT3X8 screws which are used to secure CRT adjustment board and remove CRT adjustment board Figure 4 28 Sketch Map of CRT Adjustment Knob Disassembly 6 Remove eight M3X6 screws which are used to secure connection board of main unit to remove the connection board 4 20 System Structure and Assembly Disassembly Figure 4 29 Sketch Map of Connection Board of Main Unit Disassembly No Name PN number Philips pan head tapping screw PT4X14 bright nickel M04 051085 plating 2 CRT assembly 2300 20 29149 Philips small pan head screw with pad GB9074 5 88 M04 004012 i M3X6 antirust nickel plating 4 Adjustment knob of monitor die MR29074 2300 20 29084 Philips pan head tapping screw
31. 076 2300 20 29088 c Pull out rubber cap A B and rubber cap of winding rack d Remove two M4x16 screws which are used to secure the handle and then remove the handle e Remove M4x12 screw which is used to secure the winding rack and then remove the rack 3 Disassemble the top cover 4 7 System Structure and Assembly Disassembly Figure 4 7 Sketch Map of Top Cover Disassembly f Lift the rear of top cover upwards with force g Move back cover backwards and remove it 4 2 2 Disassemble IO Back Cover Res Wi 2 i Figure 4 8 IO Back Cover Disassembly 1 4 8 System Structure and Assembly Disassembly Figure 4 9 1O Back Cover Disassembly 2 No Name PN number 1 Right wind guard 2300 20 29113 Philips small pan head screw with pad GB9074 5 88 M04 004012 r M3X6 antirust nickel plating 3 4 Fan connection wire 2303 20 89056 5 Left wind guard 2304 20 89266 Philips small pan head screw with pad GB9074 5 88 M04 004012 M3X6 antirust nickel plating 7 Power input wire 2303 20 89053 8 Connection wire between main board and I O board 2303 20 89057 9 IO back cover 2304 2304 20 89208 51 Philips small pan head screw with pad GB9074 5 88 M04 004012 k M3X6 antirust nickel plating 1 Implementing the procedure in 4 2 1 remove back cover 2 Disassemble the tie of fan wire 3 Remove three M3X6 screws of left wind guard and those of right wind guard respectiv
32. ANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE Exemptions Mindray s obligation or liability under this warranty does not include any transportation or other charges or liability for direct indirect or consequential damages or delay resulting from the improper use or application of the product or the use of parts or accessories not approved by Mindray or repairs by people other than Mindray authorized personnel This warranty shall not extend to Any Mindray product which has been subjected to misuse negligence or accident Any Mindray product from which Mindray s original serial number tag or product identification markings have been altered or removed Any product of any other manufacturer Safety Reliability and Performance Mindray is not responsible for the effects on safety reliability and performance of the product if Assembly operations extensions re adjusts modifications or repairs are carried out by persons other than those authorized by Mindray Personnel unauthorized by Mindray repairs or modifies the instrument Return Policy Return Procedure In the event that it becomes necessary to return this product or part of this product to Mindray the following procedure should be followed 1 Obtain return authorization Contact the Mindray Service Department and obtain a Customer Service Authorization
33. DP 4900 DP 6900 SK 40 Digital Ultrasonic Diagnostic Imaging System Service Manual Revision 6 0 Version information Ver System Date Revision description 1 0 2007 9 Initial version 2 0 2009 5 Modify Keyboard PCBA theory 3 0 2009 10 Increase new electric safety test 4 0 2010 7 Use new LOGO 5 0 2011 7 Add new model type Update the test items test methods and limits of 6 0 2012 9 electrical safety inspection Affected page list Page range Content Ver A 8 A 11 A 14 A 16 The limits of test items 6 0 A 1 1 Electrical Safety Inspection Form 6 0 Content G ntent OE OR N OER N EE EE i Intellectual Property Statement ese de ee ee Ge AA Ge AR ee GR AA Ge ee ee ee ee Ge ee ee ee ee Responsibility on the Manufacturer Party sessie ee des se ee ee Ee ee de Ee de ee de ee Ge ee ee ee ed ee ee ee II WELDOENER EEO TE E II Ee RE ME ee A EER EAEE NE ME N II Rem PONG Ya AE AA ORE ER EE OO OE EE RE IV Company Gontact EG EE Ge SEE EG Ee Gin fannie eatin Giese IV Safety Precautions een cua Ade ten hie aia iin heat tia V 1 System introduetON ska KERN aiia RE GE NS NN EA ANS eN ENE 1 1 1 1 intended USE RE EE AE een Ale AE EE AE 1 1 2 oi lelie ie AE EE ME N 1 1 1 3 Product and Model Code esse ee ee ee AR Ge AA Ge AA Re RR Ge AA ee ee ee ee 1 1 2 System SUUGIIFES sesse seke ee EV ek de eo ee eN Ee 2 1 2 1 Introduction of Each UNIT EE De N ee ED ge er ee ee Ge D
34. G aa a RR Ge a ee ee a AA Ge ANER 6 5 6 4 1 Image Recording and ArchiViNg iese ee se ee ee Re ee Ge Re ee Ge Re ee ee ee ee ke ee ee 6 5 6 4 2 Checking Flow EE EE EE OE NE OE ORE EE 6 5 6 4 3 Checking Phantom Data sesse ee ee ee AG AA Ge AR Re ee GR AA Ge ee ee ee Re ee ee ee ee 6 6 6 4 4 Final Operation Checking and Image Archiving i iese ese ee Ge AA Ge AA ee ee 6 6 7 System Maintenance sissies dd ves Ee Rae Se Ede Ged U EWER Ku Ee de Re du nnmnnn 7 1 Ee ie EE OE AE 7 1 7 1Gleaning Flows aste EE SE ye EE GE LE ee Ge De De ee De Ee dt ee hates 7 1 7 1 2 Details for Gleanihg seniti ee AR Ge aa aadi aaia d AA ee AA ee ee 7 1 7 2 Software Maintenance se ee AR AA Ge AA Re ee RR Ge AA Ge Re ee RA ee ee ge ee 7 4 AM PHOS OE IE ER EE OE EE OER OE SEER A 7 4 7 2 2 Viewing System Information iese ee ee ee RA AA Ge AA Ge AR ee AA ee ee ee ee 7 4 7 2 3 Data Backup and Recovery essiens iiaia a Re ee Ge Re ee ee ke ee ee 7 5 7 2 4 Maintenance Stat Si a onenean AA AA Ge ee GR AA Ge a Eaa p a ee AA ee ee 7 6 7 2 5 Software Updalinid is RE EER RE teeta vine ES AG Ee ge SE cee 7 7 7 2 6 Installing and Uninstalling the Software of Optional Devices ii see se ee 7 8 7 2 T SYSTEM Self testa mirer araeir EE ON 7 9 8 Troubleshootind se se iS ee ie bk Ke dees N Ge SG ONA ke ed DE 8 1 8 1 USB can t be Recognized iis ee AA Re RR Ge AA Ge AR AA ee AA ee ee 8 1 8 2 Abnormal System CIOCK eie se ee AA Ge AA ee ee Ge AA Ge
35. GND GND GND 14 GND GND GND 15 2V5 2V5 2V5 16 GND GND GND 17 1V5 1V5 1V5 18 1V5 1V5 1V5 19 GND GND GND 20 GND GND GND 21 3V3 3V3 3V3 22 3V3 3V3 3V3 23 GND GND GND 24 GND GND GND 25 13V5 13V5 13V5 26 VS GND GND 27 HS GND B 3 5 Principle Description 4 5 Pin No A B C 28 GND GND GND 29 TXD GND RXD 30 GND GND GND 31 D 5V D 5V D 5V 32 D 5V D 5V D 5V The interface definition between main board and IO board is shown in Table 3 3 Table 3 3 Interface Definition between Main Board and IO Board Pin No Name Pin No Name 1 VIDEO 2 GND 3 Blue_OUT_R 4 Blue_OUT_G 5 Blue_OUT_B 6 GND 7 GND 8 F_VGA_HSYNC 9 FT_SW1 10 F_VGA_VSYNC 11 FT SWO 12 GND 13 GND 14 S VIDEO 15 VP_BUSY 16 Cl 17 VP_NPRT 18 CT7 19 GND 20 GND 21 TPIP 22 TPOP 23 TPIN 24 TPON 25 GND 26 GND 27 FAN PWR 28 FAN SPEED 29 FAN SPEED 30 FAN SPEEDS3 The signal description between main board and IO board is shown in Table 3 4 Table 3 4 Signal Description between Main Board and IO Board Module Name Description Video output VIDEO Video output S VIDEO S Video output Network port TPOP Output data Difference pair TPON Output data TPIP Input data Difference pair TPIN Input data 3 6 Principle Description CT7 Tap VGA BLUE_R Video output BLUE_G VGA
36. Keyboard tontrdl Encoder bmmunication r l Encoder interface 5V I l Power module l Hard disk l ow voltage powe Central control system MCF5307 PRSI Voltage monitor VGA Video Peripheral AC IN printer Network interfaces control ure 3 1 Schematic Diagram of Hardware System Structure Fig The above block diagram includes probe board main board control panel power module IO board and CRT etc gt Two modules of main board transmitting receiving and rear of the main board comprise the key of the system The control and processing centrum is central control system and signal processing and control module Each function module is controlled by one of the modules or both of them gt Power module implements the switching between AC and DC providing power for Principle Description each part of the system For example the monitor only needs the power of 13 5 V Control panel or called keyboard provides operator system interface Probe board provides the socket for the probe The system provides abundant interfaces VGA Video S Video USB network and footswitch etc 3 2 Principle of Boards 3 2 1 Main Board 3 2 1 1 Ultrasound Transmission The front end circuit includes four parts according to the function low voltage drive and high voltage transmitting high voltage isolation and channel select
37. O 2 GND 3 Blue_OUT_R 4 Blue_OUT_G 5 Blue_OUT_B 6 GND 7 GND 8 F_VGA_HSYNC 9 FT_SW1 10 F_VGA_VSYNC 11 FT SWO 12 GND 13 GND 14 S VIDEO 15 VP_BUSY 16 Cl 17 VP_NPRT 18 CT7 19 GND 20 GND 21 TPIP 22 TPOP 23 TPIN 24 TPON 25 GND 26 GND 27 FAN PWR 28 FAN SPEED 29 FAN SPEED 30 FAN SPEEDS3 The signal definition of connection socket of footswitch cable is shown in Table 3 12 3 15 Principle Description Table 3 12 Signal Definition of Connection Socket of Footswitch Cable No Name 1 ROW 3 FT_SWO 5 FT_SW1 7 GND 3 2 5 Control Panel Module The peripheral of control panel mainly includes encoder thin film switch trackball LED speaker and TGC etc The schematic diagram of control panel is shown in 5 REF LDO 2 5V 26V Thin film switch Ad A BOARDID Ma in pa nel LED in line control signal v Speaker Signal shaping circuit l Trackball SV Figure 3 10 3 16 Principle Description REF LDO 2 5V 25V Thin film switch y BOARDID oes LED in line control signal EE Speaker Signal shaping circuit Trackball SV Figure 3 10 Schematic Diagram o
38. board knob C and eight keyboard knobs Figure 4 35 Sketch Map of Keyboard Knobs Disassembly 6 Pull out the tie of speaker connection wire and remove fourteen ST3x8 screws which are used to secure keyboard and then remove silicon rubberkey to remove keyboard PCB Remove two ST2x6 screws which are used to secure speaker to remove the speaker 4 24 System Structure and Assembly Disassembly Figure 4 36 Sketch Map of Speaker Disassembly No Name PN number 1 Keyboard silicon rubbercap die MR29076 2300 20 29076 Philips small pan head screw with pad M04 004012 z GB9074 5 88 M3X6 antirust nickel plating Lower cover module of keyboard 2303 30 89064 i Lower cover module of keyboard 2304 30 89220 Top cover module of keyboard 2303 30 89065 i Top cover module of keyboard 2304 30 89221 5 Keyboard signal wire 2303 20 89055 6 Connection wire of trackball CS02 009 000256 00 Philips pan head tapping screw PT3X14 bright M04 051122 4 nickel plating 8 Keyboard knob C die MR29071 2300 20 29073 9 Keyboard knob B die MR29071 2300 20 29072 10 Keyboard knob A die MR29071 2300 20 29071 11 Keyboard knob B die MR29071 2300 20 29072 12 Sliding bar die MR29074 2300 20 29074 Philips pan head tapping screw PT2 0X6 bright M04 051003 i nickel plating 14 SPEAKER 8 ohm 15 1 0W SPL 86 M90 100123 15 DP 6900 top cover of keyboard 2304 20 89237 51 16 DP 4900 silicon rubberkey 049 000
39. cket Definition of Control Panel Socket Name Pin definition Remarks number Pin Pin definition Pin description on PCB No 3 19 Principle Description 1 5V 5V power 2 5V 5V power Socket of 3 GND System ground keyboard 4 RXD_KEY_IN Main unit serial and port signal output connection 5 GND System ground board 6 TXD KEY OUT Main unit serial port signal input 1 GND System ground 2 VCC 5V power 3 TRACK_HBALLO Trackball signal interface 0 Trackball 4 TRACK_HBALL1 Trackball signal socket interface 1 5 TRACK_HBALL2 Trackball signal interface 2 6 TRACK HBALL3 Trackball signal interface 3 1 NC 2 INC FKEY_ROW key scanning signal in row NC connectionless 3 FKEY_ROW13 4 INC Socket 5 FKEY_ROW12 6 INC definition of 7 FKEY_ROW11 8 INC thin film 9 FKEY_ROW10 10 NC switch 11 FKEY_ROW9 12 NC upper 13 FKEY_ROW8 14 NC wiring 15 FKEY_ROW7 16 NC 17 FKEY_ROW6 18 NC 19 FKEY ROWS 20 NC 21 FKEY ROW4 22 NC 23 FKEY ROWS3 24 NC 25 FKEY ROW 2 26 NC 3 20 Principle Description 27 FKEY_ROW1 28 NC 29 FKEY ROWO 30 NC 1 NC 2 KEY LINE3 KEY LINE key scanning signal in line NC connectionless 3 NC 4 KEY_LINE2 5 NC 6 KEY LINE Socket 7 NC 8 KEY LINEO definition of 9 NC 10 KEY
40. d to a conductive part on the DUT enclosure Press shortcut key 7 The Mains on Applied Part test is displayed Mains on Applied Part All Earth Outlet Norm Pol Earth L2 Norm uA Rev uA Limit Inv START TEST CAL DUT OFF APPLIED PART GED ep as as as EP Select the desired outlet configuration and applied part to test using the appropriate SOFT KEYS Press START TEST SOFT KEY 1 to begin the test Press the print data key to generate a printout of the latest measurement If all of the applied parts correspond to the instrument type the applied parts will be tied together and one reading will be taken If any of the applied parts differ from the instrument type all applied parts will be tested individually based on the type of applied part This applies to Auto and Step modes only Check any broken of the AC DC adapter and its cable Replace a new one if any portion defective Check any broken of the enclosure Replace any defective part Inspect wiring for bad crimps poor connections or damage Test the wall outlet verify it is grounded and is free of other wiring abnormalities Notify the user or owner to correct any deviations As a work around check the other outlets to see if they could be used instead Change another probe to confirm if the fail is caused by console Inspect wiring for bad crimps poor connections or damage If the leakage current measurement tests fail on a new unit and if situation can not be
41. ded The output of DAC is analog voltage signal it controls the amplification 3 2 1 3 CPU and Peripharial Circuit Structure of CPU is shown in Figure 3 3 Central control system panel CPU bus Pq rq ka vV FLASH F PGA U150 E U145 Figure 3 3 Structure of Central Control System There are SDRAM FLASH and FPGA on CPU bus among which FLASH is used for storage of system software and key data SDRAM is used for storage of software memory and cine review FPGA is controlled by CPU and communicates with CPU to implement the control of functional circuit In addition FPGA implements the interface with IDE bus and the operation of system to SSD and disc SSD with 512MB memory capacity saves key data and remains space for user to save general data HD with 80G is optional part it is used for image and cine 3 3 Principle Description storage RTC real time clock connects with CPU providing time storage year month day hour minute and second BDM interface is CPU debugging interface CPU communicates with control panel via serial port 3 2 1 4 Interfaces of Main Board The signal relation between peripheral interfaces of main board and probe board IO board and connection board is shown in Figure 3 4 BoM USB USB Ps Fed Jas J3 J4 a J1 di L _ Reserved
42. e AA ee ee ee ee 4 28 4 3 2 AC Mobile Power DA 88 0 ccccceceeceeeeeeeeceeeeeeaeeseeeeeseaeeesaaeeseaeeseeeeesaeeeseeeenaes 4 29 AS SAE OOTS WIC EE Seas teeta ad a EE ee Rete ene bee cata ee 4 29 Maintenance Requirement cccccccssssseeeeeeeeeeeeeeseeeeeeeeeeeeeeeeeesenees 5 1 5 1 Tools Used in Maintenance iii ees ee AR ee AR Re AA ee AR Ee AA ee ee ee 5 1 5 1 1 Tools Measurement Devices Consumables eie ee ee see ee Re ee Re Re Re Re Re Re Re Re ee 5 1 5 2 Maintenance Personnel issie ee ee ee AR Ee ee AR ee ee AA Ee 5 2 CSC UNG RELEASE ED OE OER EO EN tunica 6 1 6 1 System Status CHECKING iii se AA Ge AA Ee AR ee GR AA Ge ee RA ee AA ee ee ge ee 6 1 6 1 1 Checking Planuri aiian OE N ORE OE EN 6 1 6 1 2 Confirmation before Checking ie ee se ee ee RR AA Ge AA Re AR ee ee AA ee ee ee ee 6 1 6 2 Checking F nctionality sisie RR ERGER ge EL ged EE Reg aa deities dessa DRA Gee g n DERE Ede 6 2 6 2 1 Flow of Functionality Checking eie se ee se ee ee RR Ge AA ee AR Re ee ee ee ee ee ee ee 6 2 6 2 2 Details of Functionality Check iese ee ee AA Ee AR GRA AA ee ee Re ee ee ee ee 6 2 6 3 Safety Gheeking EER Ee de eg Re so ERGE ee eden hee 6 3 6 3 1 Mechanical Safety Checking iis see se ee se ee RR AA AA AA Re ee ee AA ee ee ee ee 6 3 6 3 2 Electrical Safety Checking issie se ee se ee RA Ge AA ee ee AR ee ee Re ee ee ee ee ee 6 5 6 4 Image Checking iis ee ek AA A
43. e cable both inside and outside the instrument 2 Check manually to make sure that there is no looseness and falling off happened to the cable inside the instrument Check by sight to make sure that there is no crack peel loose and damage happened to the probe Check to make sure that there is no part is crack and no conducting part is exposing to the outside 6 3 2 Electrical Safety Checking Please refer to Appendix A Electrical Safety Inspection 6 4 Image Checking Description You can use the following phantoms e g KS107BD tissue mimicking ultrasound Phillips screwdriver phantom which is used for phatom data check But the phatom is provided by the customer 6 4 1 Image Recording and Archiving Print the images and archive them with data recorded 6 4 2 Checking Flow Check the lateral and axial resolution Check the penetration Check the spot features Record and check the images Figure 6 3 Image Checking Flow 6 5 Checking 6 4 3 Checking Phantom Data 6 4 3 1 Lateral Axial Resolution 1 Put some gel on the phantom and then scan the phantom with a probe 2 After obtaining an optimal image freeze the image and record it Condition system preset parameters 6 4 3 2 Penetration 1 Put some gel on the phantom and then scan the phantom with a probe 2 Adjust the gain to make the soft tissue spot displayed at the deepest position 3 Measure the de
44. e ee ed eg 2 1 2 1 1 Appearance of the System iese ee ee ee AA Ee Re Ge AA Ge AA ee RR ee Ge ee ee ee ee ge ee 2 1 2 1 2 Front View of Whole Machine ees se ees Ee ee Ge ee AR ee AR Re ee ee ee AR ge ee ee 2 2 2 1 3 Right View of Whole Machine ees se ee Ee ee ee ee AR ee AR Re ee AR Re ee ee ee ee 2 3 2 1 4 Left View of Whole Machine ee se ee Ee ee AR ee AR ee AR ee AR ee AR ee ee 2 4 2 1 5 Back View of Whole Machine ees ee ee Ge ee AR ee AR ee AR Re ee AR ee AR ee ee 2 4 2 2 Introduction of Control Panel ee ee ee ER RA Ge AA Ge Re ee ee AA ee AA ee ee 2 5 2 3 Introduction of Rear VO ee AR AR AA AA ee GR RA Ge AA Ge Re ee ee AA ee AA ee ee 2 7 3 Principle DESCHIPHON ss KERE ENE KE ARENA ERNS KENS GEN ERENS WERS ke ede 3 1 3 1 Schematic Diagram of the System iii se ee RR Ge AA Ge AR ee AA ee ee 3 1 ea ole el ol Boards RR EE RE OE ME 3 2 Sie Ti Malin BO IE OR ER EE AE RA EE 3 2 3i2 2 Probe Boards iiss aie Geo arene Ge ae eh ae ire a es Ge SE 3 10 3 23 Connection Board ER Ee Ee EE De EE a ee ee ated ei aes 3 12 3 240 dr TEE EE OE EE EE OE tea 3 14 3 2 5 Control Panel Module se se ee AA Ge AA ee RA AA AA Re RR ee AA AG atdot 3 16 3 2 6 Power Supply Board es EE ove Re ER GERS alee eleebeetiapens EE EE GE ed gees kie 3 21 4 System Structure and Assembly Disassembly uses ese ee EE 4 1 4 1 Exploded UIER EE EE EE OE RR ER ER ee 4 1 4 1 1 Overall Exploded View ees ees see de ee Ge AA ee Re Ge AA Ge AA ee RR ee
45. e entering by connection board IDT7462 also inspects the voltage of 3V lithium battery Voltage monitoring is implemented by ADT7462 completely compatible with SMBus1 1 and SMBus1 0 protocols 3 2 1 6 2 Monitoring of Fan Blockage The fan signals used by the machine belong to R Type in which the third channel signal is running sensor or blockage signal When the fan is running blockage signal is low OV when the fan is blocked the signal is high 3 3V When the fan is wrongly connected the signal is also high 3 2 1 7 Test Points of Main Board Test Points of main board is shown in Table 3 5 Table 3 5 Test Points of Main Board No Label Network 1 1V2 1V2 3 8 Principle Description No Label Network 2 1V5 1V5 3 2V5 2V5 4 A 3 A 3 5 A 5 A 5 6 A1V8 A1V8 7 A3V3 A3V3 8 AVCG AVCC 9 AVDD AVDD 10 AVPP AVPP 11 CLK45M FPGA CLK45 NORM 12 CLK CPU CPU CLK 13 FPGA RST FPGA RSTI 14 GND GND 15 M13V5 13V5 16 NA1V5 NA1V5 17 NA5V NA5V 18 PHV PHV 19 RST_CPU CPU_RSTI_N 20 SCL SCL 21 SDA SDA 22 POUT41 POUT41 23 TP1 IDE_DMAREQ 24 TP2 IDE_DMACK_N 25 TP5 SPI_5625_ CLK 26 TP8 IO_RESET_N 27 TPU71 TPU71 28 TP10 IO DOS3R CDPCLK4 29 TP11 UAI 30 TP12 UAO 31 TP13 IDE2SATA_CLK 32 TP14 SCIDIN 33 TP15 SCICLK 34 TP16 1O_DIFFIO_DQS1R_DPCLK6 3 9 Principle Description
46. e front panel outlet by pressing the appropriate SOFT KEY on the 601PRO Press the print data key at any time to generate a printout of the latest measurement If the current test standard being used does not include Patient Auxiliary Current DC readings or the DC option is not enabled then DC readings will not be available through the APPLIED PART SOFT KEY selections Check any broken of the AC DC adapter and its cable Replace a new one if any portion A 15 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 8 Patient Auxiliary Current defective Check any broken of the enclosure Replace any defective part Inspect wiring for bad crimps poor connections or damage Test the wall outlet verify it is grounded and is free of other wiring abnormalities Notify the user or owner to correct any deviations As a work around check the other outlets to see if they could be used instead Change another probe to confirm if the fail is caused by console Inspect wiring for bad crimps poor connections or damage If the leakage current measurement tests fail on a new unit and if situation can not be corrected submit a Safety Failure Report to document the system problem Remove unit from operation If all else fails stop using and inform the Customer Service Engineer for analysis and disposal LIMITS For BF ECG Input 100A Normal Condition 500MA Single Fault Condition A 16 Electrical Safety Inspectio
47. e keyboard self test is a manual interactive process operator can estimate the result pass or fail based on the manual check process Move the cursor onto Pass And Quit or Fail And Quit and press Set to exit keyboard self test screen and output corresponding self test result CAUTION Do not shutdown or reset otherwise it will damage the system 7 Self test log review click Close on the screen of Self test Report to exit and then pop up a dialog box in which shows the saved self test log including system information 7 11 System Maintenance 8 and self test report m Export self test log click Export on the screen to pop up the Save as dialog box in which select storage path enter file name and click OK to confirm it m Close review screen click Close on review screen to exit the current screen BG80 NG76 AP15 BIP4 FREO 2009 04 16 090416 105056 2202 75L53ER N Depth 5 4 10 50 56 Maintenance Systen Info UPG Yersion 01 02 00 10134 2009 03 05 FNT Yersion 1 ti 391391 Sending to 6 090416 105056 2202 AB020 On the screen of Shut down information there is no response after pressing any key you can only disconnect the power 7 12 Troubleshooting Troubleshooting 8 1 USB can t be Recognized 1 Confirm whether to use USB device with over 1A bus mains supply 2 If the surge causes USB port can t be used please restart the system 8 2 Abnorma
48. ected to the main unit Checking the fans Check if the system fan fan in the main unit can work normally after the main unit is powered on Check if the fans make any abnormal noise when they are working 6 3 Safety Checking 6 3 1 Mechanical Safety Checking 6 3 1 1 Evaluation Perform the evaluation by eye measuring and checks 6 3 Checking 6 3 1 2 Checking Flow Check the enclosure Check the handle Check the rotating part of key board Check keyboard cover Check the cable connection Check the transducer appearance Check other mechanical structures Figure 6 2 Ckecking Flow of Mechanical Safety If the check result is fail the system is in abnormal status Stop the system and adopt proper measures Type Procedure Tool Enclosure Check by sight if the enclosure has any crack 1 Check by sight if the handle has any crack Handle 2 Pull the handle to make sure it is not loose Mechanical Check the Pull the keyboard to make sure it is not loose safety rotating part of keyboard Manually close the keyboard cover and confirm its Keyboard fastness The keyboard can only be opened after cover pressing the control panel buckle 6 4 Checking Cable connection Probe appearance Other mechanical structures 1 Check by sight to make sure that there is no damage happened to th
49. ed part terminals Current measurements are then taken between the selected applied part and earth Measurements are taken with the test voltage 110 of mains to applied parts in the normal and reverse polarity conditions as indicated on the display The following outlet conditions apply when performing the Mains on Applied Part test Normal Polarity Reversed Polarity TEST PROCEDURE Prepare To perform a calibration from the Mains on Applied Part test press CAL SOFT KEY 2 1 Disconnect ALL patient leads test leads and DUT outlet connections 2 Press CAL to begin calibration as shown Disconnect All Patient Leads and OUTLET connections CAL apes SP ER If the calibration fails the previously stored readings will be used until a passing calibration has occurred Also the esc stop key has no effect during calibration 3 When the calibration is finished the Mains on Applied Part test will reappear 1 A 2 beep per second signal indicates high voltage present at the applied part terminals while a calibration is being performed 2 High voltage is present at applied part terminals while measurements are being taken Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 7 Mains on Applied Part Leakage Performance From the MAIN MENU or with the outlet unpowered plug the DUT into the 601 Attach the applied parts to the 601PRO applied part terminals Attach the red terminal lea
50. ee ee ee 4 1 4 1 2 Exploded View of Keyboard Module 0 ccc ee ee ee eee ee ee ee ee ee EE ee ee Re ee ee ee ee ee 4 3 4 1 3 Exploded View of Main Unit Box Module esse eee cece ee ee ee Re Ge ee ee ee 4 5 4 2 Structure Disassembly issie ei se ee Ge AA Ge AA Ge AA Ge Ke Ge AA AA AA ee Ke Ge AA 4 6 4 2 1 Disassemble Top COV ef aiempi aenak a aaa Ge Ke ee RA ee AA Ge ee ee 4 6 4 2 2 Disassemble IO Back COVer ee ee AR GR AA Ge AA ee RR ee Ge ee ee ee ge ee 4 8 4 2 3 Disassemble and Replace IO Board ee ke AE RA Ge AA ee ee 4 10 4 2 4 Disassemble Back Cover of Main Unit BOX se ee ee RA Ge AA ee ee 4 11 4 2 5 Disassemble and Replace Power supply board see de se ee ee 4 12 4 2 6 Disassemble and Replace Main Board and Probe Board ee ee 4 13 4 2 7 Disassemble and Replace Harddisk Optional devices ii iss ese ee ee 4 17 4 2 8 Disassemble and Replace CRT CRT Adjustment Board and Main Unit Connection ee AA RE OE N EA OR E r EA 4 19 4 2 9 Disassemble and Replace Monitor Protection Screen ese ee ee ee ee 4 21 4 2 10 Disassemble Keyboard Trackball and Speaker see ie ee se ee se ee 4 22 4 2 11 Disassemble and Replace Fan and Dustproof Net se ee ee ee ee 4 26 4 2 12 Disassemble USB Extension Line ese ee RA Ge AA Ge RR ee Ge AA ee ee ee 4 27 4 3 Installation of Optional Devices ie ee GR AA Ge AA ee Re Ge AA ee ee ee ee 4 28 4 3 1 Installation of Video Pinter eee ee ee AR Ee AA Re AA ee de e
51. ely and then remove the wind guards 4 9 System Structure and Assembly Disassembly 4 Remove six M3X6 screws of IO back cover module 5 Disassemble the ties of power wire and IO wire and then move backwards IO back cover to remove it 4 2 3 Disassemble and Replace IO Board Figure 4 10 Sketch Map of IO Board Disassembly No Name PN number 1 IO board PCBA 2304 30 89205 Philips small pan head screw with pad GB9074 5 88 M04 004012 3 M3X6 antirust nickel plating 1 Implementing the procedure in 4 2 2 Disassemble IO Back Cover remove IO back cover module 2 Remove five M3X6 screws which are used to secure IO board can replace it 4 10 System Structure and Assembly Disassembly 4 2 4 Disassemble Back Cover of Main Unit Box Figure 4 11 Sketch Map of Back Cover of Main Unit Box Disassembly 1 Figure 4 12 Sketch Map of Back Cover of Main Unit Box Disassembly 2 4 11 System Structure and Assembly Disassembly No Name PN number Philips small pan head screw with pad GB9074 5 88 M04 004012 M3X6 antirust nickel plating 2 Hook seat 2300 20 29085 3 Internal USB external interface wire 2303 20 89059 Philips small pan head screw with pad GB9074 5 88 M04 004012 4 M3X6 antirust nickel plating 5 Back cover module of main unit box 2304 30 89222 1 Implementing the procedures from 4 2 1 to 4 2 3 remove rear board module of main unit box 2 Remove t
52. erate injury NOTE Indicates a potentially hazardous situation that if not avoided may result in property damage 2 Meaning of Safety Symbols Symbols Description Type BF applied part The ultrasound transducers connected to this system are Type BF applied parts read the operators manual concerning these points before using the Attention indicates the points that you should pay attention to Be sure to system 3 Safety Precautions Please observe the following precautions to ensure patient s and operator s safety when using this power Do not use flammable gasses such as anesthetic gas oxygen A DANGER i SaS SAYE or hydrogen or flammable liquids such as ethanol near this power because there is danger of explosion AWARNING 1 Do not charge the device within PATIENT ENVIRONMENT When the DC input cable is connected to the DC output cigar lighter of a vehicle or the mobile power do not touch the patient and the metal part of the DC input cable simultaneously 3 After charging through the cigar lighter of a vehicle the connector of the DC input cable may get hot Do not touch the metal part of the connector to avoid scald 4 Electric shock hazard Refer all servicing to qualified service personnel only 5 Do not place the device in locations near fire high temperature inflammable and explosive material and locations exposed to direct sunlight 6 The mobile power is an internall
53. esults network chip ID or chip malfunction information m Net chip id 0x180 Oxbb10 Probe Status Test Item automatic self test output results probe model in A or B socket or no probe is found m Probe slot A Connected Probe Id 5 m Probe slot B No Probe Plugged In Key Board Test Item manual interactive self test output results select Pass or Fail according to the self test situation m key Board test fail Other information probe board ID Board ID main board ID keyboarded keyboard ID etc will be saved in self test log file with system information 7 10 System Maintenance 7 2 7 2 Self test 1 Enter Preset menu refer to 7 2 1 Preset 2 Click Maintenance and enter the password 3 Click Self test to pop up the dialog box of Confirm and then click OK to continue self test 4 Self test results for each item will be displayed on the screen of Selftest Report CAUTION Do not turn off the power supply in the process of self test otherwise it will damage the system 5 Keyboard self test includes key test and light test m Key test press keyboard key or rotate knob if the corresponding key on the screen blinks and marks background it indicates the response is in effect m Light test Move the cursor onto Light Test button press Set key and the lights will be on in circulation for three times which indicates the light test is in process 6 Self test result becaus
54. etailed reason based on the specified malfunction phenomenon 8 9 Troubleshooting Because of high voltage of power supply board please be careful at test Not only take care of correct use of measurement device to avoid damaging device or board but also tester s safety In particular under the situation of power on never touch the devices on the board especially high voltage part 8 10 Electrical Safety Inspection Appendix A Electrical Safety Inspection The following electrical safety tests are recommended as part of a comprehensive preventive maintenance program They are a proven means of detecting abnormalities that if undetected could prove dangerous to either the patient or the operator Additional tests may be required according to local regulations All tests can be performed using commercially available safety analyzer test equipment These procedures assume the use of a 601PRO x International Safety Analyzer or equivalent safety analyzer Other popular testers complying with IEC 60601 1 used in Europe such as Fluke Metron or Gerb may require modifications to the procedure Follow the instructions of the analyzer manufacturer The consistent use of a safety analyzer as a routine step in closing a repair or upgrade is emphasized as a mandatory step if an approved agency status is to be maintained The safety analyzer also proves to be an excellent troubleshooting tool to detect abnormalities of
55. eturn 3 2 3 Connection Board The interface between main board and connection board is shown in Table 3 7 Table 3 7 Interfaces between Main Board and Connection Board No A B C 1 PHV PHV PHV 2 NC NC NC 3 GND GND GND 4 5V 5V 5V 5 GND GND GND 6 12V 12V 12V 7 GND GND GND 8 A 5V A 5V A 5V 3 12 Principle Description No A B C 9 A 5V A 5V A 5V 10 A 5V A 5V A 5V 11 GND GND GND 12 HVC GND GND 13 GND GND GND 14 GND GND GND 15 2V5 2V5 2V5 16 GND GND GND 17 1V5 1V5 1V5 18 1V5 1V5 1V5 19 GND GND GND 20 GND GND GND 21 3V3 3V3 3V3 22 3V3 3V3 3V3 23 GND GND GND 24 GND GND GND 25 13V5 13V5 13V5 26 NC GND GND 27 NC GND NC 28 GND GND GND 29 NC GND NC 30 GND GND GND 31 D 5V D 5V D 5V 32 D 5V D 5V D 5V The ports communication signal with 3 3 V LVTTL level between keyboard and main board is transferred via connection board 5V power supply of keyboard is from D 5 of connection board Connection board provides an 8 pin socket the definition is shown in Table 3 8 Interface Definition of Keyboard Description Data input of main board ports Ground Data output of main board ports Table 3 8 No Name 1 RXD 2 GND 3 TXD 4 GND Ground 3 13 Principle Description 5 GND Ground 6 GND Ground 7 D
56. f Control Panel 3 2 5 1 Description of LED Drive Circuit Just as shown in Figure 3 11 LED includes green backlighting lights and yellow indicating lights It only needs backlighting lights with unicolor LED for common keys While function keys adopts bicolor LED in green and yellow which means backlighting lights and indicating lights are both needed The anode of all unicolor and bicolor LEDs is the same one LED_ROW signal output from FPGA will go through LED drive circuit that is composed of MOS tube EL7212 and PMOS tube IRF7404 to output LED DRIVE signal to drive LED For common keys the cathode of unicolor LED is directly grounded with 750hm current limiting resistance For function keys each two bicolor LEDs are drived by 74LS07 via two pins of FPGA to achieve the purpose that switching between backlighting lights and indicating lights 3 17 Principle Description LED_ROW EL7212 TRE7404 Bicolor LED 74LS07 LED_DRIVE gt gt 22 FPGA LED LINEO 22 4 i 22 FPGA LED LINFI ii 22 FPGA LED LINE2 22 FPGA LED LINES Dt Dt ma ce gt gt 22 FPGA LED LINE4 22 bi bi FPGA LED LINES E i 22 FPGA LED LINE68 22 FPGA 69 ii GA LED LINE Unicolor LED 75 Dt Pt 75 Dt _ Pr 75 Pt Pr 75 Dt _ Pt Figure 3 11 Schematic Diagram of LED Drive Circuit 3 2 5 2 Description of Key Scanning Circuit
57. g some performances which is also intended for use in ultrasound exams for human The DP 6900Vet modified from DP 6900 is B mode digital diagnostic ultrasound system which is intended for use in ultrasound exams for animals The DP 4900Vet modified from DP 4900 is digital diagnostic ultrasound system which is intended for use in ultrasound exams for animals 1 2 Contraindication None 1 3 Product and Model Code P Model code Product code System Structure System Structure 2 1 Introduction of Each Unit 2 1 1 Appearance of the System Figure 2 1 Appearance 1 Figure 2 2 Appearance 2 2 1 System Structure No Name Function 1 Operator system interface or control 2 Displays the images and parameters during scanning 3 Used for carrying the system 4 Used for holding the gel bottle provisionally 5 Used for holding the probe provisionally 6 Used for hanging the probe cable 7 Used for connecting a probe 8 Interface panel for input and output signal 9 Used for winding the IO cable provisionally 10 Used for connecting a USB device 2 1 2 Front View of Whole Machine 2 2 System Structure 3 Contrast knob Rotate it to adju
58. hed normally 6 2 Checking Functionality 6 2 1 Flow of Functionality Checking Time and date displaying Check initial operations Check general operations Check keys on the control panel Check the trackball Check the peripherals Check the fan Figure 6 1 Functionality Checking 6 2 2 Details of Functionality Check 1 Time and date displaying Confirm the time and date displayed is correct If they are incorrect correct them 2 Checking the initial operations Check the functions of keys under each mode 6 2 Checking Check the images produced by each probe and print them Check the functions of peripherals Checking general operations Check if the Freeze key can work normally Check if the total gain can be adjusted properly Checking keys on the control panel Check all keys on the control panel from left to right and from up to down to see if they can work properly If a video printer is connected to the system check if the Print key can work normally Checking the trackball Press the Freeze key to enter the image freeze status Press the Measure key to enter the measurement status Measure the vertical distance and horizontal distance to see if the trackball can work normally Checking the peripherals Check if the probes can be pulled out properly Check if the probes can work normally after been conn
59. hree M3X6 screws which are used to secure hook seat and then pull out USB cable can remove hook seat 3 Remove twelve M3X6 screws which are used to secure back cover and then remove back cover module 4 2 5 Disassemble and Replace Power supply board 1 Implementing the procedures from 4 2 1 to 4 2 4 remove back board module of main unit box 2 Pull out power supply board module outwards or I il Pull out power supply board mo ul E N Figure 4 13 Sketch Map of Power supply board Module Disassembly 3 Remove six M3X6 screws which are used to secure top cover of power box and open it 4 12 System Structure and Assembly Disassembly M3x 6 screw e i Figure 4 14 Sketch Map of Top Cover Disassembly 4 Remove seven M3X8 screws which are used to secure power supply board and then remove power supply board Figure 4 15 Sketch Map of Power supply board Disassembly No Name PN number Philips small pan head screw combination GB T9074 8 M04 051140 M3X8 antirust nickel plating 2 Power supply board 9906 30 71431 3 Shield pad of power box 2300 20 29202 4 Lower cover of power box 2300 20 29195 4 2 6 Disassemble and Replace Main Board and Probe Board 1 Implementing the procedures from 4 2 1 to 4 2 4 remove IO back cover module and back cover module 2 Remove three M3X8 screws which are used to secure the seat of probe cable hook and then remove the seat 4 13 System S
60. ie MR29082 2300 20 29082 Rubber cap of handle B pearl blue 2300 20 29090 52 i Rubber cap of handle B dark gray 2300 20 29090 51 4900 handle die MR29081 2300 20 29081 53 13 6900 handle die MR29081 2300 20 29081 54 SK 40 handle die MR29081 043 002045 00 Rubber cap of handle A pearl blue 2300 20 29089 52 i Rubber cap of handle A dark gray 2300 20 29089 51 15 CRT assembly 2300 20 29149 Fixing buckle of protection screen die 9901 20 23950 Re BS2001138 Protection screen of monitor 4900 2302 20 34425 s 10 protection screen of monitor 6900 2107 20 46070 Silicon rubber cap of keyboard die 2300 20 29076 n MR29076 Top cover keyboard assembly 2303 30 89065 3 Top cover keyboard assembly 2304 30 89221 20 Bottom cover keyboard assembly 2303 30 89064 4 2 System Structure and Assembly Disassembly Bottom cover keyboard assembly 2304 30 89220 21 Front cover module 2303 30 89062 Front cover module 2304 30 89228 4 1 2 Exploded View of Keyboard Module 4 1 2 1 Exploded View of Top Cover Keyboard Assembly Figure 4 2 Exploded View of Top cover Keyboard Assembly No Name PN number 1 1 trackball TP1WO 0025 30 36802 2 Control panel PCBA 051 0001 83 00 3 Thin film switch 2304 20 89283 DP 4900 silicon rubber key 049 000041 00 DP 6900 silicon rubber key 049 000040 00 Transparent lamp shade A die 2300 20 29069 MR29069 4 3 System Structure and Assembly
61. if any portion defective A 7 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 5 Earth Leakage Test Check any broken of the enclosure Replace any defective part Inspect wiring for bad crimps poor connections or damage Test the wall outlet verify it is grounded and is free of other wiring abnormalities Notify the user or owner to correct any deviations As a work around check the other outlets to see if they could be used instead Change another probe to confirm if the fail is caused by console Inspect wiring for bad crimps poor connections or damage If the leakage current measurement tests fail on a new unit and if situation can not be corrected submit a Safety Failure Report to document the system problem Remove unit from operation If all else fails stop using and inform the Customer Service Engineer for analysis and disposal For UL60601 1 300 MA Normal Condition 1000 pA Single Fault Condition For IEC60601 1 500 pA Normal Condition 1000 pA Single Fault Condition A 8 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 6 Patient Leakage Current OVERVIEW Patient leakage currents are measured between a selected applied part and mains earth All measurements may have either a true RMS or a DC only response TEST PROCEDURE Prepare Perform a calibration from the Mains on Applied Part menu The following outlet conditions apply when performi
62. ion ATGC signal amplification and AD acquisition as shown in Figure3 2 below er Pad Main board contro Front end circuit I aoe g L Draha 7 Transmission titel low 80 channel high pours Probe l sequence voltage drive voltage drive interface I DEER SEE Echo wave 80 channel high voltage isolation amp channel selection Reception SPI DIN channel control e SP1 DouT Analog switch Psi1 80 8 16 channels can be selected MMECHO 1 8 9 16 ATGC gain Analog difference signal Sorting amp beam I L1 former lt i Data Figure 3 2 Schematic Diagram of Front end Circuit Transmission circuit includes two parts transmission sequence and transmission drive Transmission sequence generates low voltage transmitting pulse driven by transmission and then it turns to high voltage transmitting pulse to drive 80 elements The test points related to transmission are shown in Table 3 1 3 2 Principle Description Table 3 1 Test Points Related to Transmission No Test points label Description 1 TP23 Programmable high voltage 2 TP28 12V 3 2 1 2 Ultrasound Reception Ultrasound reception includes three parts high voltage isolation and reception channel selection voltage controlled gain amplifier and ADC Receiving channel selection is completed by ten SPST single pole single throw casca
63. ion the system can monitor most powers When maintaining the device you can review relating information if you can look over log file Power monitoring includs two types general power and PHV power ifthe wrong value recorded in the log is OV it indicates this power is broken circuit You can check if the cooresponding fuse on the main board is burn out f the voltage value recorded in the log is higher or lower you should firstly try to change power module and do self test to check if there is abnormality If there is it indicates the relating circuit on the main board is damaged If not it indicates the power module is damaged lf the power monitoring circuit is damaged the system will pop up the dialog box to warn the user to avoid serious malfunction 8 3 Troubleshooting 8 8 2 Checking Electrical Quantity of Real time Clock Battery The system can monitor the electrical quantity of real time clock If the electrical quantity is low please replace the battery in time 8 8 3 Checking Fan Status The system can monitor the fan If the fan does not work it may cause the temperature of the main engine high even damage the devices The malfunctions arose from fan breakdown is that the system is off because of power module protection after several hours of switching on When the fan is breakdown the system will pop up the dialog box to warn the user and write the relating information into log file 8 8 4 Checking Pe
64. ith soft dry cloth or paper 7 2 System Maintenance Bearing Long shaft Long shaft c Installation Put the rotary ball back in the trackball and then align the clamping ring click with the top cover notch Press the bulges on the ring with both hands and turn the ring about 45 counterclockwise until the ring clicks As the bulges are flush with the top cover the ring is secured Clamping ring click Top cover t notch Note 1 Don t spill water or other liquid into the system while you perform the cleaning Otherwise it may cause malfunction or electric shock 2 Please contact Mindray Customer Service Department when you need to clean the connector other connectors of TGC control and peripherals It may cause malfunction or reduce the performance if you clean it by yourself 7 3 System Maintenance 7 2 Software Maintenance Before performing the software maintenance ensure the data used matche the model 7 2 1 Preset Press Setup key to pop up the Preset menu 7 2 2 Viewing System Information In the Preset menu select System Preset to show the System Information dialog box 7 4 System Maintenance NOTE Be sure to confirm the system information before and after the software maintenance 7 2 3 Data Backup and Recovery 1 Press Setup key to enter into the preset status 2 Move the cursor onto Manage Settings and press Set
65. l System Clock 1 Potential Causes there is no power in button shaped battery Troubleshooting replace new button shaped battery 2 Potential Causes RTC clock on main board can t work normally the malfunction probability is rather low Troubleshooting replace main board 8 3 System Power Fan Speed Check Potential Causes ADT7462 can t work normally Troubleshooting if there is image displayed and the voltage and fan speed are abnormal it can make certain that ADT7462 is in malfunction You can check log file to review malfunction record Replace ADT 7462 chip or main board 8 4 The System can t be Started Malfunction description after the system is power on waiting for a little long time the monitor indicator is yellow Troubleshooting replace power supply board or main board 8 5 Blank Screen Malfunction description The screen is blank after switching on the system Troubleshooting 1 If the monitor indicator is yellow you should replace main board or power supply board 2 If the monitor indicator is green the system is started and there is display you should replace CRT assembly and connection board 3 If there is no display you should replace IO board After replacing if there is no 8 1 Troubleshooting display replace main board Blank screen Is it yellow of monitor indicator s there display i adjust brightness Replace IO board and wire
66. lan within one year after installation Check times Model 6 months after 12 months after Remarks installation installation DP 4900 6900 SK 40 6 1 2 Confirmation before Checking 6 1 2 1 Checking System Status Check the following items or the log together with the customer to confirm the system status 1 Any abnormality when the system is running 2 Occasional abnormality 3 Other items the customer requires to check 6 1 2 2 Checking Operation Environment Check the ambient temperature and humidity The measurements related to safety features are sensitive to humidity and measurement position and circuit as well If the insulation feature of the system degrades as the service time increases or due to the system malfunctions the deflection range of measurement result may increase as the humidity increases 6 1 2 3 Checking System Setup Check the system s preset contrast and brightness of display optional parts probes etc 6 1 2 4 Checking the System Version Press Setup key on the control panel to enter the menu of Setup select About to enter the system information page for system version checking Checking 6 1 2 5 Checking System Running Status Check if all menus and dialog boxes can pop up normally Check if measurements can be performed in each exam mode Check if exam modes can be switched normally Check if images modes can be switched normally Check if probes can be switc
67. line voltage and grounding as well as total current loads A 1 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 1 Power Cord Plug TEST PROCEDURE The Power Plug The Power Plug Pins No broken or bent pin No discolored pins No physical damage to the strain relief No plug warmth for device in use The Power Plug No loose connections The Power Cord No physical damage to the cord No deterioration to the cord For devices with detachable power cords The Power Cord s i inspect the connection at the device For devices with non detachable power cords inspect the strain relief at the device A 2 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 2 Device Enclosure And Accessories TEST PROCEDURE Visual Inspection No physical damage to the enclosure and accessories No physical damage to meters switches connectors etc The Enclosure and Accessories No residue of fluid spillage e g water coffee chemicals etc No loose or missing parts e g knobs dials terminals etc Contextual Inspection No unusual noises e g a rattle inside the The Enclosure and Accessories No unusual smells e g burning or smoky smells particularly from ventilation holes No taped notes that may suggest device deficiencies or operator concerns A 3 Electrical Safety Inspection
68. ls and changed linearly corresponding to the change of controlling signals 3 3V and 1 5V output adopots BUCK variator based on synchronous rectification with high efficiency and reliability Controller adopots EL7566 produced by INTERSIL which is a device integrating controlling chip and on off device as a whole 3 3V output is turned to 2 5V after linear stabilizing which is implemented by discrete devices with the merit of low voltage difference The power supply board has the following protection functions PFC output overvoltage protection overtemprature protection 5V output overvoltage overcurrent short circuit protection 13 5V output overvoltage overcurrent short circuit protection HV output overvoltage overcurrent short circuit protection and short circuit protection function of all other output groups The responses of the board after each protection taking effect are as follows 1 When PFC output overvoltage protection overtemprature protection or 5V output overvoltage overcurrent short circuit protection take effect the power supply board will stop all output and maintain locking Only when AC input is off and the malfunction is corrected the board can normally work after its restarting 2 When 13 5V output overvoltage overcurrent short circuit protection takes effect 13 5V and HV will stop output and maintain locking After the malfunction is corrected and all loads of 13 5V output are disconnected the board can out
69. n ELECTRICAL SAFETY INSPECTION FORM Overall assessment Scheduled inspection Test item 1 2 3 4 5 6 7 8 Unopened repair type Test item 1 2 3 Opened repair type not modify the power part Test item 1 2 3 4 including transformer or patient circuit board Opened repair type modify the power part including Test item 1 2 3 4 5 transformer Opened repair type modify patient circuit board Test item 1 2 3 4 6 7 8 Location Technician Equipment Control Number Manufacturer Model SN Measurement equipment SN Date of Calibration INSPECTION AND TESTING Pass Fail Limit 1 Power Cord Plug 2 Device Enclosure and Accessories 3 Device Labeling 4 Protective Earth Resistance Q Max 0 2 Q Normal MG is Earth 300uA refer to ee condition NC HA UL60601 1 9 Single Fault NC 500uA refer to iti IEC60601 1 HA condition SFC SFC 1000uA Pati N Max atient one BE i ax l 6 Leakag condition NC BF applied part e Single Fault BF A NC 100yA SFC Current condition SFC F 500HA Mains on Applied Part Max mk PP BF__ HA BF applied part 9 5000MA Normal Max Patient a BF A 3 a condition NC at BF applied part Y Single Fault NC 100uA SFC Current BF HA condition SFC ad 500HA Note The eduipment which sell to America shall comply with the reguirement of
70. n has occurred During Earth Resistance testing the DUT must be plugged into the 601PRO front outlet If the DUT fails Earth Resistance discontinue tests and label the device defective Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 4 Protective Earth Resistance From the MAIN MENU or with the outlet unpowered plug the DUT into the 601PRO front panel outlet Attach the 601PRO RED input lead to the device s Protective Earth terminal or an exposed metal area Press shortcut key 3 The Protective Earth Resistance test is displayed Press SOFT KEY 3 to select a test current LAMP 10AMP or 25AMP The selected test current is displayed in the upper right corner of the display Prot Earth Resistance Test Current 1A A Ohm Limit 0 000 START TEST CAL LEADS AMPERES GD ap gt ap EP Press START TEST to start the test The test current is applied while resistance and current readings are taken This takes approximately 5 seconds Press the print data key at any time to generate a printout of the latest measurement s When Over is displayed for Ohms this signifies that a valid measurement was not obtained because either an open connection was detected or that the measurement was not within range Readings greater than 9 999 Ohms will be displayed as Over Once it reaches the limitation stop using and inform the Customer Service Engineer for analysis and disposal LIMITS ALL COUNTRIES R 0
71. n be cheked by self test and can be maintained by replacing thin film switch 8 9 Probe Board Malfunction 8 9 1 Single Socket Probe Board can t be Recognized 1 Malfunction description probe ID can t be read and probe board ID can t be obtained can be checked by self test Troubleshooting a Probe power is in failure no probe connected level of probe on site signal is not 3 3V please replace probe board b Mian board interface circuit is in failure or FPGA of mian board is damaged the failure can t be removed after replacing probe board please replace main board Malfunction description probe ID can t be read but probe board ID can be obtained Troubleshooting control signal of probe board ID is in failure If the failure can t be removed after replacing probe board it can confirm that main board is in failure 8 9 2 Double Sockets Probe Board an t be Recognized 1 Malfunction description Probe ID can t be read and probe board ID can t be obtained this can be checked by self test Troubleshooting a Probe power is in failure no probe connected level of probe on site signal is not 3 3V please replace probe board b Mian board interface circuit is in failure or FPGA of mian board is damaged the failure can t be removed after replacing probe board please replace main board Malfunction description probe ID can t be read but probe board ID can be obtained Troubleshooting control
72. n the above figure Control signals are RC1 RC2 RO1 and RO2 respectively controls 10 relays totally 40 relays and 80 channels 1 When PROBE_SWITCH signal is in high electrical level N slot enhancement mode 3 11 Principle Description field effect transistor Q1 is conducted and then it will drive the normally open contact of relay K41 close RC1 and RC2 are susupended and the normally close contacts of 20 relays under their control are closed Now probe A is selected 2 When PROBE_SWITCH signal is in low electrical level N slot enhancement mode field effect transistor 2 is not conducted and then it will drive the normally close contact of relay K41 close RC1 and RC2 are connected with VCC and the normally open contacts of 20 relays under their control are closed Now probe B is selected 3 2 2 2 Probe Board Interfaces 1 The interface signal between main board and probe board needn t testing so it will not be listed here for the reason of secrecy 2 The signal description between main board and probe board is shown in Table 3 6 Table 3 6 Signal Description between Main Board and Probe Board Name Function POUT 80 1 High voltage transmitting and receiving PRB_ID 5 0 Probe identifies ID code ID code of board PRBID_RD 1 0 Probe ID reading enable PRB_SW Probe switching control relay switching PRBA_PRT_N Probe on site signal PRBB_PRT_N VCC_PRB Power of probe board 5V GND Ground r
73. nel ccc ce de ee ee ee ee ee ee ee ee ee ee ee ee ee ee 8 5 8 11 Troubleshooting of Power Supply Board iis eek ed Ge Re RR Ge ee ee ee ge ee 8 6 Appendix A Electrical Safety Inspection 2009 2012 Shenzhen Mindray Bio medical Electronics Co Ltd All Rights Reserved For this Service Manual the issued Date is 2012 09 Intellectual Property Statement SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD hereinafter called Mindray owns the intellectual property rights to this Mindray product and this manual This manual may refer to information protected by copyrights or patents and does not convey any license under the patent rights of Mindray nor the rights of others Mindray does not assume any liability arising out of any infringements of patents or other rights of third parties Mindray intends to maintain the contents of this manual as confidential information Disclosure of the information in this manual in any manner without the written permission of Mindray is strictly forbidden Release amendment reproduction distribution rental adaptation or translation of this manual in any manner whatsoever without the written permission of Mindray is strictly forbidden mindray NN mer M OmniLab Digi MINDRAY are the registered trademarks or trademarks owned by Mindray in China and other countries All other trademarks that appear in this manual are used only for editorial purposes without the intention of improperly using
74. ng this test Normal Polarity Earth Open Outlet ON Normal Polarity Outlet ON Normal Polarity L2 Open Outlet ON Reversed Polarity Outlet ON Reversed Polarity Earth Open Outlet ON Reversed Polarity L2 Open Outlet ON If all of the applied parts correspond to the instrument type the applied parts will be tied together and one reading will be taken If any of the applied parts differ from the instrument type all applied parts will be tested individually based on the type of applied part This applies to Auto and Step modes only 1 From the MAIN MENU or with the outlet unpowered plug the DUT into the 601PRO front panel outlet and turn on the device 2 Attach the applied parts to the 601PRO s applied part terminals 3 Press shortcut key 6 The Patient Leakage test is displayed and the test begins immediately A 9 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 6 Patient Leakage Current Patient Leakage All Earth Outlet Rev Pol Earth No L2 OuA Limit Inv DUT OFF NO EARTH L2 APPLIED PART Gp p gt as D D EP Press APPLIED PART SOFT KEY 4 at any time to select the desired applied part leakage current Modify the configuration of the front panel outlet by pressing the appropriate SOFT KEY on the 601PRO Press the print data key at any time to generate a printout of the latest measurement If the current test standard being used does not include Patient Leakage DC readings or the DC
75. oard and probe board modules 2303 30 89066 6 for two probes Main board and probe board modules 2304 30 89225 for one probe Main board and probe board modules 2304 30 89223 4 5 System Structure and Assembly Disassembly for two probes 7 Back cover module of main unit box 2304 30 89222 8 Sealing board of probe socket 2302 20 34448 If two probes are selected there is no part 8 sealing board of probe socket part 6 will be changed to main board and probe board modules for two probes 4 2 Structure Disassembly 4 2 1 Disassemble Top Cover 1 Disasssemble the probe cable hook S ESR H a Figure 4 5 Sketch Map of Top Cover Disassembly a Rotate the probe cable hook clockwise to its end b Remove the hook upwards 2 Disaasemble the handle and winding rack System Structure and Assembly Disassembly Figure 4 6 Sketch Map of Handle and Winding Rack Disassembly No Name PN number Rubber cap of handle A peral blue 2300 20 29089 52 i Rubber cap of handle A dark gray 2300 20 29089 51 Philips pan head screw GB T818 2000 M4X16 M04 002905 i antirust nickel plating Rubber cap of handle B peral blue 2300 20 29090 52 Rubber cap of handle B dark gray 2300 20 29090 51 Philips small pan head screw combination M04 051139 GB T9074 8 M4X12 antirust nickel plating 5 Rubber cap of winding rack die MR29
76. option is not enabled then DC readings will not be available through the APPLIED PART SOFT KEY selections Refer to Chapter 8 Standards and Principles Check any broken of the AC DC adapter and its cable Replace a new one if any portion defective Check any broken of the enclosure Replace any defective part Inspect wiring for bad crimps poor connections or damage Test the wall outlet verify it is grounded and is free of other wiring abnormalities Notify the user or owner to correct any deviations As a work around check the other outlets to see if they could be used instead Change another probe to confirm if the fail is caused by console Inspect wiring for bad crimps poor connections or damage If the leakage current measurement tests fail on a new unit and if situation can not be corrected submit a Safety Failure Report to document the system problem Remove unit from operation If all else fails stop using and inform the Customer Service Engineer for analysis and disposal A 10 Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 6 Patient Leakage Current LIMITS For BF transducer 100A Normal Condition 500MA Single Fault Condition Electrical Safety Inspection ELECTRICAL SAFETY INSPECTION 7 Mains on Applied Part Leakage OVERVIEW The Mains on Applied Part test applies a test voltage which is 110 of the mains voltage through a limiting resistance to selected appli
77. presetting data single in item Otherwise it may cause wrong presetting data 1 Copy updating files into U flash drive and connect it to the system to be updated 2 Enter the maintenance status refer to 7 2 4 Maintenance Status 3 Select Update and press Set Haintenance 4 Select the content of updating pack storage in U flash drive in the dialog box and select the script file TXT of updating pack and then click OK the system will start updating 5 After starting updating there is no need of other operations the system can automatically implement the updating process for specified updating item in script until its end When it promptes System updating finished please restart the system click OK to confirm the updating 6 Exit maintenance status return and restart the system to let the updating take effect 7 2 5 2 Single Update 1 Copy updating files into U flash drive and connect it to the system to be upgrated 2 Enter the maintenance status refer to 7 2 4 Maintenance Status 3 Press back digital 7 to enter the single update 7 7 System Maintenance Haintenance Systen Update Option Config Heas Self Test Return 4 Select the item to be updated press Set to enter Load file dialog box select the updating file in U flash drive according to the selected file type and click OK to start updating The progress will be displayed After the updating is completed
78. pths of noise and of the soft tissue boundary and record the images for the measurement 6 4 3 3 Spot Features Evaluate the change of image quality after the system is used for a long time The evaluation items include the gain and the periodic record of the images described above 6 4 3 4 Recording images Archive the images printed out according to the descriptions above 6 4 4 Final Operation Checking and Image Archiving 6 4 4 1 Operation Checking Check image operations with each probe in each mode 6 4 4 2 Image Printing and Archiving Print images and archive them with data recorded 6 4 4 3 Checking Flow Functionality checking Image operations checking Image archiving Figure 6 4 Final Operation Checking Flow 6 4 4 4 Checking Details 1 Functionality check 6 6 Checking Check changes of the exam mode measurements and related information 2 Image operation check Perform image operations with each probe in each mode 3 Image archiving Print images obtained through the steps above and archive them 6 7 System Maintenance System Maintenance 7 1 System Cleaning Before cleaning the system you must switch off the system and pull out power cord If you clean the system when it s on it may cause electric shock 7 1 1 Cleaning Flow Disconnect the power cable from the power socket Disconnect the accessories Clean the covers
79. put normally 3 When 3 3V short circuit protection takes effect 3 3V and HV will stop output After the malfunction is corrected the output can be recovered automatically 4 When HV output overvoltage overcurrent short circuit protection 5V overcurrent short circuit protection 1 5V short circuit protection or 2 5V overcurrent short circuit protection take effect each group will stop its output and won t affect other output Except HV maintains locking other groups will be recovered after the malfunction is corrected 3 24 System Structure and Assembly Disassembly System Structure and Assembly Disassembly 4 1 Exploded View 4 1 1 Overall Exploded View Figure 4 1 Overall Exploded View 4 1 System Structure and Assembly Disassembly No Name PN number Main unit box module one probe 2303 30 89069 Main unit box module two probes 2303 30 89068 Main unit box module one probe 2304 30 89227 Main unit box module two probes 2304 30 89217 Bottom cover 2303 30 89063 Bottom cover 2304 30 89218 3 IlO module 2304 30 89219 4 Winding rack die MR29064 2300 20 29083 Rubber cap of winding rack die 0026 30 89585 i MR29076 6 Right wind guard 2300 20 29113 7 Left wind guard 2304 20 89266 8 Hook seat 2300 20 29085 g Probe cable hook 2102 30 16949 10 Top cover die MR29079 2300 20 29079 51 11 Probe holder d
80. ripheral Devices Interfaces The system does maneuverability verification for harddisk SSD and HDD USB chip and network chip If there is relating peripheral operation failure please do self test as soon as possible If the self test result is normal 1 Check if the wire of relating peripheral is correct 2 Check if the wire inside the device is correct If the checks mentioned above are all correct it indicates the relating circuit on main board is open or the function circuit is damaged Please replace the main board lf the self test result is abnormal it indicates relating function chip on main board is damaged Please replace the main board 8 8 5 Checking Correctness of Front End Control System difines correctness verification for read write operation of front end all levels chip Incorrect control of front end chip may cause serious image bug If there is image failure please firstly do self test and confirm whether the operation of front end chip is correct If it is incorrect please replace main board record and feed back the self test result 8 8 6 Checking Probe Board Checking probe board can verify the correctness of relating control of probe board which can estimate malfunction of probe 8 8 7 Checking Keyboard Board Keyboard malfunction will cause trackball and keys can t be rotated or pressed or other operation mistakes 8 4 Troubleshooting The incorrect response of specified key ca
81. row Enters exits arrow comment mode 16 F1 User defined key the function of which can be preset 17 F2 User defined key the function of which can be preset 18 Exit Exits a dialog box without saving changes Switches between auto manual cine review modes 19 Cine Releases the cursor 20 Measure Enters exits measure mode 21 Body Mark Adds body mark to the image 22 Clear Clears the screen 23 Menu Opens closes the menu of current mode 24 Set Selects items Confirms an operation Increases a parameter Switches among items before beginning a measurement 25 Change Switches between cursors during a measurement Cancels the last step when measuring Decreases a 26 Back parameter Switches to dual B mode Or 27 Dual Switches between windows in dual B mode Switches to quad B mode Or 28 Quad Switches among windows in quad B mode 29 V Rev Flips the image vertically 30 B Switches to B mode 31 M Switches to M B or M mode 32 H Rev Flips the image horizontally 2 6 System Structure No Name Function Press to switch among items and rotate to adjust the corresponding item Multifunctional Knob f 33 e F Pos Adjusts location of the focus L F Pos Freq IP Freq Switches the transmitting frequency IP Adjusts the image quality according to a set of preset image parameters 34 Save Saves an image as preset format 35 Track Ball Moves the cursor Adjusts the gain of image when rotated The function when 36 Gain
82. signal output BLUE B HSYNC Horizontal hold VSYNC Field locking Remote REMOTE Video printer control Footswitch FT SWO FT_SW1 Video printer VP_NPRT Print VP_BUSY Printer is busy Fan FAN_PWR Fan power FAN_SPEED1 Fan monitoring FAN SPEED 2 Fan monitoring FAN SPEED3 Fan monitoring Uncovering Inspection Cl 3 2 1 5 Main Board Power Main board power is connected with power supply board by connection board All powers are processed LC filtering at the sockets of main board entrance firstly and then assingned to the devices within the board There is fuse on main board end The structure of main board power is shown in Figure 3 5 Fuse F3 M07 00077F FUSE Slow Blow 125V 5ASMD2410 Fuse F1 2 and F4 9 M07 00076F FUSE protective tube Slow Blow125V 3ASMD241 0 3 7 Principle Description FHV Fa PHV L12 FNSV Fo v L16 F12V F6 12V L14 FA 5 FS A L13 F2V5 F2 25V Five jt peog uono uuo eS evir 230 F13v5 ue roso a B 8V_ 1 Figure 3 5 Sketch Map of Main Board Power 3 2 1 6 System Monitoring 3 2 1 6 1 Voltage Monitoring Voltage monitoring circuit mainly monitors 1 2V 2 5V 8V 3 3V 5V 12V 13 5V 1 5V 5V and PHV Programmable high voltage of the system among which except 5V 12V 3 3V 2 5V and 1 2V other voltages are all monitored by dividing voltage or inverting conversion In addition to monitoring each channel voltage and internal voltag
83. st the contrast of the monitor 2 1 3 Right View of Whole Machine Figure 2 4 Right View of Whole Machine 4 Control panel Used for operating the system 2 Probe socket the standard Used for connecting a probe configuration is one 3 Used for winding the IO cable provisionally 4 Used for hanging the probe cable 5 Used for holding the probe 6 Used for carrying the system System Structure 2 1 4 Left View of Whole Machine Mi Figure 2 6 Back View of Whole Machine 2 4 System Structure Function lt 4 gt lt 5 gt i lt 6 gt Ean lt 7 gt lt 8 gt lt 9 gt lt 10 gt
84. ther output is at the lowest value 390V AC INPUT Power board LoadA at least including 3 modules Figure 8 3 Connection Sketch Map of Power Supply Board Checking Because there are many output channels on the board considering practical situation you can only connect load to 5V 13 5V and HV In addition in order to be convenient for debugging its recommended to begin the debugging with higher load than the nominal one During the debugging process increase the load according to the real situation After confirming the connection of boards is correct you can troubleshoot the malfunction based on flow in Figure 8 4 8 7 Troubleshooting Check U3 Q4 T1 and R66 etc Connect AC input ly Is 5V output normal Is C12 terminal voltage 390v dc Is there positive impulse with Check OTP 5V y amplitude over 2V at output OCP and positive poles of D15 OVP circuit lt and D16 at the instant of starting up ll N Check PFC output Is there positive circuit C23 C24 R30 impulse with amplitude d f db k over 2V at positive an bas ac pole of D14 atthe resistance Check if U1 peripheral devices L5 Q1 and D2 is normal Y C25 terminal voltage instant of starting up If the max value of is over14 5V at the instant of starting up N Figure 8 4 N Check and replace D44 ZD1 U1 start resistance Q2 Q3 and fuse etc
85. to take out USB extension line 4 27 System Structure and Assembly Disassembly Figure 4 40 Sketch Map of USB Extension Line Disassembly No Name PN number Philips pan head tapping screw PT3X8 bright nickel M04 003105 plating 2 USB press plate 2300 20 29106 4 3 Installation of Optional Devices 4 3 1 Installation of Video Printer Video printer wire Video printer interface Figure 4 41 Sketch Map of Video Printer Connection 4 28 System Structure and Assembly Disassembly 4 3 2 AC Mobile Power DA 88 Power input socket DA 88power wire Figure 4 42 Sketch Map of Mobile Power Connection 4 3 3 Footswitch Socket for footswitch Footswitch wire Figure 4 43 Sketch Map of Footswitch Connection 4 29 Maintenance Requirements Maintenance Requirements 5 1 Tools Used in Maintenance 5 1 1 Tools Measurement Devices Consumables Tools and Measurement Devices Description Q lt Tool Device Resin or stainless steel container 1 Can hold two probes Plastic bag About 2mx2m 0 3mm thickness Vacuum dust collector Air blower 600W 16000 mm min 1 Makita 4014NV or like devices Cleaner Brush About a toothbrush size Consumables Consumable Qty Description Aluminum foil Physiological saline To fill the whole container 0 85 0 95 Glass cleaner To clean the display Neutral cleanser Soft cloth Do not use soluble solvent such as paint thinner or gasoline
86. tructure and Assembly Disassembly 3 Remove eight M3X6 screws which are used to secure probe socket and one M3X6 screw which are used to secure main board jak ERE f doa FEE Fr Ts n af Figure 4 17 Sketch Map of Probe Board and Mian Board Disassembly 2 4 Pull out main board and probe board module backwards 4 14 System Structure and Assembly Disassembly Pull out main board and probe board module Figure 4 18 Sketch Map of Probe Board and Mian Board Disassembly 3 5 Remove two M3X6 connection scews of main board and probe board module and then remove main board from probe board Figure 4 19 Sketch Map of Probe Board and Mian Board Disassembly 4 6 Replace main board a Remove three M3X6 screws which are used to secure ground sheet metal and sheet metal itself b Remove respectively two stationary barriers of main board and four M3X6 screws c Remove the M3X6 screw which are used to secure stationary holder of main board and the holder itself and then replace the main board 4 15 System Structure and Assembly Disassembly 4 Figure 4 20 Sketch Map of Probe Board and Mian Board Disassembly 5 7 Replace probe board a Remove seven M3X6 screws which are used to secure shielding cover of probe board and remove shielding cover Figure 4 21 Sketch Map of Probe Board and Mian Board Disassembly 6 b Replace probe board after removing four M3X6
87. ue to long usage such as current leakage or distortion and abrasion To ensure the performances of this device please perform periodical checks for the device To dispose of the system or any part contact Mindray Customer Service Department or sales representative Mindray is not responsible for any system content or accessories that have been discarded improperly 4 Warning Labels The warning labels are attached to this system in order to call your attention to potential hazards The symbol N on the warning labels indicates safety precautions The warning labels use the same signal words as those used in the service manual Refer to the service manual for detailed information about the warning labels Read operator s manual carefully before using the system 5 Symbol Explanation VII Symbol Meaning Position Mian unit power is off Main unit power is on Power switch Video print control interface Video output Ol VGA output Interface of footswitch USB interface Network interface On the input output panel Probe socket A s gt EA N Probe socke B VIII Probe socke System Introduction System Introduction 1 1 Intended Use The DP 6900 is universal B mode digital diagnostic ultrasound system intended for use in ultrasound exams for human The DP 4900 SK 40 is arised from DP 6900 by simplifying some functions and reducin
88. y powered device which 1 will warn when battery low L2 yellow dual buzzes every 30 seconds and stop AC output automatically when battery exhausted and 2 may activate self protection and stop AC output when environment temperature is high which will shorten the service time so be careful when using the device as a power supply 7 Do not immerse the device into water Do not try to put out a fire with water Do not block the ventilation slots VI NOTE 1 After using the device or when the device stops AC output automatically due to exhausted battery please switch off the AC OUT to avoid over discharging Charge the device immediately if possible to avoid performance degrading or even permanently damage If the device is not used for a long time put the device in locations shady and cool with the battery full of power and the switch of AC output off Maintain the device by charging periodically about every 3 months Do not connect the device to AC DC input when using the mobile power as a power supply or the device will stop the AC output which may cause data lost Do not plug in AC INPUT and DC INPUT cables simultaneously This device is for Mindray portable black and white ultrasonic system only Do not connect devices other than those specified Keep the device horizontal to avoid falling Q Do not remove protective covers No user serviceable parts are inside Electrical and mechanical performance may be degraded d

DP-4900/DP-6900/SK-40 Service Manual

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