Service Manual
Contents
1. ST2x6 screws fixing the buzzer to take out the buzzer f i F p Ta T U i LJ 3 Fr r 1 ST3x8 screws 14 F 7 a i Keyboard a a 5 z Ln z PCB TI Ff ae et Silicon keys Figure 2 33 Remove the buzzer Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly 2 2 9 Disassembly of the fan 1 Remove the rear cover 2 Disconnect the tail board fan connector and remove 4 M3X30 screws and then remove the tail board fan 4 M3X30 Screws f fixing the fan Fan Fan pad Figure 2 34 Disassembly of the tail board fan 3 Disconnect the back board fan connector and remove 8 M3X30 screws and then remove the back board fan 8 M3X30 Seros Fan Fan vade Figure 2 35 Disassembly of the back board fan 2 2 10 Remove USB extension wire 1 Disassemble the rear cover the cabinet tail board assembly the cabinet back board assembly and the front cover assembly Digital Ultrasonic Di2. Figure 2 9 Removing the rear cover A liftthe tail of the rear cover forcibly B Move the rear cover backwards to remove it 2 2 2 Disassembly of the cabinet tail board 1 Remove the rear cover Disconnect the fan connector of the tail board Remove 8 M3X6 screws fixing the tail board and 2 M3X6 screws fixing the main 2 7 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly board 4 Disconnect the power wire connector and move the tail board backward to take it out i power wire connector Fan connector 2 Fixing screws of the main board M3X6 8 Fixing screws of the tail board M3X6 Figure 2 10 Disassembly of the cabinet tail board 2 2 3 Disassembly of the cabinet rear cover 1 Remove the assembly of the cabinet tail board 2 Disconnect the fan connector of the rear cover 3 Remove 9 M3X6 screws fixing the rear cover and take out the rear cover Fan connector 9 fixing screws M3X6 Figure 2 11 Disassembly of the cabinet rear cover Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 2 8 Structure of the Complete Machine amp Disassembly 2 2 4 Disassembly of the power board 1 Remove the assembly of cabinet rear cover 2 Pull out the assemble of the power board qe 4 v asset U aY ae pow po of Figure 2 12 Disassembly of the power board 3
3. 1 l i i B lookup table ha M DSC buffer I 2 E pD High voltage i i High voltage J isolation channel DSC buffer 1 i driver selection i DSC buffer Low voltage DSC EP1K100 VCA driver l LNAG DSC buffer l ATGC DSC buffer DAC AD Ty le i esos 29g re re eee ae E E ESEA oO amp E Lu E rl palios Transmit i Beam former h Dine memory 5 timing D i kK Image memo z Signal Post process 2 y i L P EP1K100 ia oe processing Graphic memory ee eee Vga2video buffer Other FPGA Post process FPGA configuration configuration Data bus Address bus FLASH SDRAM lt CPU MCF5307 doniol b s CPLD 12C NET interface mo Power WDO amp E RTC Temperatur USB monitor EPROM e monitor interface A D VIDEO VGA DAC DAC Power UART1 REMOTE USB USB driver driver ist A REMOTE user use2 VIDEO1 VIDEO2 VGA Figure 3 6 the schematic diagram of the main board The CINE review and post processing functions are realized within one FPGA which is the ACEX1K100FC484 made by ALTERA The chip has two SDRAM used for CINE review memory and four SRAM respectively used for frame correlation buffer graphics memory image memory and video signal buffer thus generating Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle the signals of frame correlation graphics circuit image storage VGA and VIDEO
4. Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Vil Contents Contents CHAPTER1 GENERAL DESCRIPTION s ccsceeeseeeeeseeeeeeeseeeeeneeeeseeeeeeeseeeees 1 1 1 1 INTRODUCTION nainun orin a a a a ead e e a a a eRe eh 1 1 1 2 PREPARATION FOR REPAIR sccssecesesessssssessescsetecsessnscsesencnesesssscesceesesenssecseasescessenenssees 1 3 1 3 SCHEMATIC DIAGRAM sase oaa a a aaa ea a a a 1 5 CHAPTER2 STRUCTURE OF THE COMPLETE MACHINE amp DISASSEMBLY 2 1 2 1 STRUCTURE OF THE COMPLETE MACHINE cccscorecsonsssnssonssesstenseesstennensuenesanssesauensues 2 1 2 1 1 The appearance view of the main unit eee eetceeeeeeeeeeeeeeeseeeeeeeeeeeaeeeeaeeeeees 2 1 2 1 2 The exploded drawing of the complete machine seessesseeesessesesesesrereserrsrsreseses 2 1 2 1 3 The keyboard assembly 0 eee eessseceseeceseececceseessceesacsceecsceessceeeacseeessceesseeetaceeees 2 3 2 1 4 The exploded drawing of CRT assembly 0 eee eeeeteeeeseeeeseeeeceseeeeseeeeaeeeeeeneees 2 4 2 1 5 TNE POWEF ASSOMDIY s 5c stees cn staseessshedteletaneadhsderiies bes adadee abner sheen E 2 5 2 2 PS ee cae cek cae cesta a gin Metical unas ote acta eae Manele adnan iatesaatetatee 2 6 2 2 1 Disassembly of the rear COVED eceeescesesetseseseeeeseseeseseeeeseeeeseeeeseseeeeseeeaceeeeeaeees 2 6 2 2 2 Disassembly of the Cabinet tail DOA eee eeseeeeseteeeeseeeeseeeeseneeeeseeeeseeeeeatees 2 7 2 2 3 Disassembly of the Cabinet rear COVE
5. Remove 6 M3X6 screws fixing the power box upper cover and open the upper cover 4 Disconnect the fan connector of the power board 6 screws fixing the upper cover M3X6 a OES Fan connector Figure 2 13 Disconnecting the fan connector 5 Remove 7 M8X8 screws fixing the power board and take out the power board 2 9 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly 7 M3X8 screws fixing the power board A l e Power board Power board shielding pad P i Power board lower cover Figure2 14 Disassembly of the power board 2 2 5 Disassembly of the main board and the transducer board 1 Disassemble the rear cover to take out the assemblies of the tail board and the back board 2 Remove 3 M3X8 screws fixing the holder of the transducer cable hook and take out the holder 3 Fixing screws M3X8 T Holder f E N ere i l F Pg USB wire connector Figure 0 15 Remove the holder of the transducer cable hook 3 Remove the USB wire connector 2 10 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly 4 Remove 8 M3X6 screws fixing the holder and one M3X6 screw fixing the main board 8 M3X6 screws fixing the transducer socket Figure 0 16 Disassembly of the main board and the transducer board 1 Figure 0 17 Disas
6. b Cleaning the trackball Clean the two long shafts the bearing and the rotary ball with clean soft dry cloth or paper Bearing Long shaft c Installing the trackball 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 6 2 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Maintenance and Cleaning 1 Be careful not to allow water or liquid to enter the system during cleaning otherwise it may result in malfunction or electric shock 2 To clean the connector TGC controls and other connectors for the peripheral devices contact the foreign sales distributor of Mindray The cleaning done by the user may cause malfunction or degradation of performance 6 1 2 Creating a backup copy of the system hard disk To prevent any damage or loss of data stored in the system hard disk users should create a backup copy of the hard disk periodically 6 2 Maintenance to Be Performed By Service Personnel The following checks are required to ensure the performance and safety of the system Contact your MINDRAY representative when carrying out these checks because they require special techniques Table 0 1 Cleaning and Maintenance Measures Check categ
7. 1 Cleaning the system A Warning Before cleaning the system be sure to turn off the power and disconnect the power cable from the outlet Cleaning the machine when the power is On may result in electric shock 1 Cleaning the transducer Perform the cleaning disinfection and sterilization for the transducer according to the corresponding transducer s manual 2 Cleaning the transducer socket Use dry rag to wipe off the dirt on the transducer socket If it is hard to get rid of the dirt use the mild detergent soaked rag to wipe it off then make the transducer socket air dried 3 Cleaning CRT Use the glass cleaner soaked rag to wipe CRT and then make it air dried NOTE Do not use the detergent of hydrocarbon or the detergent for OA device to clean CRT Otherwise it may cause degradation of performance for CRT 4 Cleaning the control panel cover and bracket Use dry rag to clean the surface of the machine Or use the rag dipped in neutral detergent to wipe off the dirt and then dry the machine by dry rag or make it air dried 5 Cleaning the trackball a Disassembling the trackball Press the bulges on the clamping ring by both 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 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 6 1 Maintenance and Cleaning Rotary ball Clamping ring Top cover
8. 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 5 D 5 D 5 32 D 5 D 5 D 5 The B8B PH K S made by JST is used for connecting the keyboard and the connection board and the interface signals between the two boards are defined in the table below The serial communication signals between the keyboard and the main board are switched through the connection board with TTL level and baud rate 38400bps the 5V power of the keyboard is the D 5V output of the power board and its current is 2A Table 3 5 Definition of the interface signals between the keyboard and the connection board Position PIN1 PIN2 PIN3 PIN4 PINS PIN PIN7 PIN8 6 Signal RxDFromKB GND TxDToKB GND GND GN D 5 D 5 D Description From Ground From main Ground 5V power keyboard to board to main board keyboard The signals transmitted from the main board to the monitor are switched through the connection board The horizontal synchronization signal HS and the vertical Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 9 Description of the Principle synchronization signal VS feature 3 3V CMOS vertical scan frequency 60Hz horizontal scan frequency 31 5KHz and non interlaced scanning The video signal is obtained from the B of R
9. Diagnostic Imaging System Service Manual V1 1 5 2 Troubleshooting 5 4 5 5 Black Area in the Image Black Strip Black area in the B mode Image Black Strip Replace the transducer and use the same connector Is the problem resolved The transducer s fault The transducer board s fault onnect different transducer connector Is the problem resolved The main board s Figure 0 4 Solution of black area in the image Image Interference If itis abnormal in image area e g interference ripples and bright lines etc first verify it is not interference from outside Then check whether the system grounding is good and whether there is other equipment nearby generating interference signals In addition verify that the transducer board shielding cover the main board socket the digital circuit shielding cover and the power board shielding cover are all in good condition Check the system according to the following chart Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Troubleshooting it is abnormal in image area e g interference ripples and bright lines etc Replace the transducer and use the same connector the problem resolved onnect different transducer connector Is the problem resolved Replace power board Is the problem resolved The main board s fault The transducer s The transducer b
10. 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 IV Digital Ultrasonic Diagnostic Imaging System Service Manualg V1 1 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 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
11. Please send the part s or equipment to the address offered by Customer Service department Company Contact Manufacturer Address Phone Fax EC Representative Address Phone Fax Shenzhen Mindray Bio Medical Electronics Co Ltd Mindray Building Keji 12th Road South Hi tech Industrial Park Nanshan Shenzhen 518057 P R China 86 755 26582479 26582888 86 755 26582934 26582500 Shanghai International Holding Corp GmbH Europe Eiffestrasse 80 20537 Hamburg Germany 0049 40 2513175 0049 40 255726 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 V Safety Precautions 1 Meaning of Signal Words In this operation manual the signal words DANGER WARNING ZA cAuTION and NOTE are used regarding safety and other important instructions The signal words and their meanings are defined as follows Please understand their meanings clearly before reading this manual Indicates an imminently hazardous situation which if not A DANGER eats ae S avoided will result in death or serious injury Indicates a potentially hazardous situation which ZAAWARNING AS Saa avoided could result in death or serious injury Indicates a potentially hazardous situation which CAUTION pede i avoided may result in minor or moderate injury Indicates a potentially hazardous situation which avoided may result in property damage 2 Meaning of Safety Symbols Type BF applied part NOT
12. USB compressor 2300 20 29084 9901 20 23950 2102 20 16994 2300 20 29092 2300 20 29078 2300 20 29091 2300 20 29089 2300 20 29090 2300 20 29081 2300 20 29082 2300 20 29079 2102 30 16949 2300 20 29083 2300 20 29088 2300 20 29085 2300 20 29087 2300 20 29080 2300 20 29138 9901 10 23920 2300 20 29106 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 2 2 Structure of the Complete Machine amp Disassembly 2 1 3 The keyboard assembly 2 1 3 1 The exploded drawing 1 of the keyboard assembly Figure 2 3 The exploded drawing 1 of the keyboard assembly 2 1 3 2 Parts of the keyboard assembly 1 keyboard upper cover assembly 2300 30 29156 2 keyboard lower cover assembly 2300 30 29155 3 keyboard knob C 2300 20 29073 4 keyboard silicon cap 2300 20 29076 5 keyboard DIP switch 2300 20 29074 6 keyboard knob B 2300 20 29072 7 keyboard knob A 2300 20 29071 8 hollow shaft 2300 20 29067 9 position limiter 2300 20 29066 10 compressing spring 2300 20 29065 11 keyboard buckle 2300 20 29064 2 3 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly 2 1 3 3 The exploded drawing 2 of the keyboard assembly Figure 2 4 The exploded drawing 2 of the keyboard assembly 2 1 3 4 Parts of the keyboard assembly 2 1 keyboard upper cover 2 dust plate 3 buzzer 4 silicon key 5 keyboard PCB board 6 trac
13. and all loads are disconnected from the 13 5V output both the outputs will resume 3 When the short circuit protection for the 3 3V output is tripped both the 3 3V output and the HV output are cut off After the fault is cleared both the outputs will resume Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 3 Description of the Principle 4 When the over voltage over current short circuit protection for the HV output over current short circuit protection for the 5V output short circuit protection for the 1 5V output or the over current short circuit protection for 2 5V output is tripped the faulty output will be cut off independently without affecting any normal output After the fault is cleared all the outputs return to normal work automatically except the HV output remains locked 3 1 1 3 Maintenance of the power board Before tested the power board should be connected as per Figure3 2 In the figure the load A is a must while the load B depends on situations Under some conditions for the purpose of easy repair the load B is not allowed to exceed 0 1A and it should be applied only when other outputs are minimum POWER SUPPLY ACINPUT MODULES Figure 3 2 Connection schematic of the power board for testing Based on your own needs you can connect the loads only to the 5V 13 5V and HV outputs For the purpose of easy adjustment it is recommended
14. control chip and incorporates the BOOST converter The main switching transistor and free wheeling diode used are the IR IRFPC60LC and the FAIRCHILD ISL9RL1560G2 whose parameters are 600V 16A and 600V 15A respectively FORWARD LINE CONVERTOR REGULATOR Ps S5V MAGNETIC OCP OVP AMPLIFIER a 13 5V OVP amp OTP 12V LINEAR i BOOST d HV REGULATOR CONVERTOR OCP OVP VOLTAGE CONVERTING HVG 45V vg gt Ell a o 23 e BUCK CONVERTOR BRY LINEAR REGULATOR ee s gt d x lt lt 1 5V PHOTO BUCK COUPLER CONVERTOR Figure 3 1 the schematic diagram of the power board 3 2 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle The FORWARD converter adopts the FUJITSU MB3769A as the control chip The transformer T1 transforms the AC voltage into the DC voltage and isolates the former from the latter making the system safe The NEC 2SK2485 is used as the switching transistor whose parameter is 900V 6A The main feedback output of the FORWARD converter is 5V The 13 5V output of the FORWARD converter is first stabilized by the magnetic amplifier and then serves as the 13 5V output of the power board The 5V output of the FORWARD converter is first stabilized and then serves as the 5V output of the power board The BOOST converter using the ON SEMI TL594 as the control chip converts the 24V output of the FORWARD converter
15. into the HV output of the power board An analog signal that varies between 0 to 4V controls the HV output the latter varying linearly with the change of the former The BUCK converters using the INTERSIL EL7566 as the control chips are used to generate the 3 3V and 1 5V outputs of the power board The 3 3V output is also passed to a linear stabilizer which is composed of discrete devices to generate the 2 5V output of the power board The power board features the over voltage protection for the PFC output the over temperature protection the over voltage over current short circuit protection for the 5V output the over voltage over current short circuit protection for the 13 5V output the over voltage over current short circuit protection for the HV output and the short circuit protection for all other outputs Once the protections are tripped the power board reacts as follows 1 When the over voltage protection for the PFC output over temperature protection or the over voltage over current short circuit protection for the 5V output is tripped the power board cuts off all the outputs and keeps them locked Only after the AC input is cut off and the fault is cleared and the system is reset does the system return to normal work 2 When the over voltage over current short circuit protection for the 13 5V output is tripped both the 13 5V output and the HV output are cut off and remain locked After the fault is cleared
16. maximum 500mA If the current exceeds 500mA the power for USB interfaces will be cut off automatically 3 1 4 2 Definition of the main board socket The socket P2 for connecting the main board and the transducer board is defined in the table below Table 0 8 Definition of the socket for connecting the main board and the transducer board 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 G 11 14 G 19 22 G 27 30 G 35 38 G 43 46 G 51 54 G 59 62 G 67 70 G 75 78 ID3 IDO 9 12 15 17 20 23 25 28 31 33 36 39 41 44 47 49 52 55 57 60 63 65 68 71 73 76 79 ENB ID1 1 G By 1 2 Oo ew pw O l Alao w 10 13 16 18 21 24 26 29 32 34 37 40 42 45 48 50 53 56 58 61 64 66 69 72 74 77 80 5 ID2 A VME socket is adopted for connecting the main board and the transducer board and it is the 650947 5 made by AMP Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 13 Desc ription of the Principle In the table G represents the IDO to ID3 represent the ID analogue ground and the 5V the A 5V power and codes of the transducer board output ENB is the transducer s selection signal fro
17. outward and uplift it and then take it out Figure 2 27 Disassembly of CRT screen filter 2 2 8 Disassembly of the keyboard trackball and buzzer 1 Remove the two keyboard silicon caps and then remove 2 M3 X6 screws fixing the keyboard upper cover Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 2 16 Structure of the Complete Machine amp Disassembly Two keyboard silicon caps 2 M8x6 screws Figure 2 28 Remove the two keyboard silicon caps and two screws 2 Open the keyboard upper cover by hands forcibly at the positions of arrows eT ae e a a keyboard upper ra De Gy G4 eE Ss States S cover assembly SSeS lt gt a gt i ee eyboard lower e a cover assembly Figure 2 29 Disassembly of the keyboard upper cover 2 17 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly 3 Disconnect the connection wire connector of the keyboard and remove the keyboard upper cover Keyboard connection wire Figure
18. that the adjustment starts with a load slightly greater than the minimum load and the load can be increased according to practical situations during adjustment After the power board is correctly connected follow the flow chart indicated in Figure3 3 to find and fix the faults 3 4 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle switch on AC input Check 13 5V circuit Y especially the discrete i L11 ZD Is 5V output devices L11 ZD5 and o normal U7 etc Is end voltage of Is 13 5V output normal Check 3 3V circuit especially the discrete devices U16 C133 etc Check if U3 Q4 T1 and R66 are normal C12 390Vac Check and test other output circuits respectivel Check the OTP Is there a positive circuit and OCP pulse voltage OVP circuit of 5V exceeding 2V for the output anode of D15 or D16 at power on instant Check the OVP circuit Is there a positive pulse of PFC output C23 exceeding 2V for the C24 R30 ahd l anode of D14 at on i 9 feedback resistor etc power on Instant Check U1 and the Does the maximum end voltage of C25 exceed and L5 Q1 D2 etc 14 5V at power on instant Check amp replace D44 ZD1 U1 startup resistor Q2 Q3 and fuse etc End Figure 3 3 Trouble shooting flow chart for the power board 3 1 2 The connection board The connection board is designed for connecting the main board po
19. 2 30 Disassembly of the keyboard upper cover 4 Disconnect the connection wire connector of the trackball remove 4 self threading ST3x14 screws fixing the trackball and remove the trackball Connection wire of the trackball 4 self threading screws ra Si Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 2 18 Connection wire of the buzzer 2 ST2x6screws buzzer Structure of the Complete Machine amp Disassembly 5 keyboard knob C Pull out keyboard knobs A B C and 6 keyboard DIP switches Ce L OO PN ANNA 5 or EVID ACRY ae LITO ITOH NII ALAS DIDI NNN IANKHP LTDA DIMM INKMAMNAHKD ES a IRIIRI QTE En CARAC keyboard knob D A ae lt lt ODS A y W a 6 keyboard DIP 2 Y switches EII 3 M keyboard knob S7 O amp Os 2 Figure 2 32 Remove the keyboard knobs and switches keyboard knob A Disconnect the connection wire connector of the buzzer remove 14 ST3x8 board and remove 2 screws fixing the keyboard remove the silicon keys to take out keyboard PCB
20. 5 4 5 7 OTHER FAULTS oof sss Giasweth bea a tarts E tects Wega uivalonn A NA A A nice 5 4 CHAPTER6 MAINTENANCE AND CLEANING 0 ccecceceeeeeseeeeeeeeeeeeeeneeeeeeeees 6 1 6 1 MAINTENANCE TO BE PERFORMED BY USER sssssssesessesesesesesecesecseseseesenesteeesees 6 1 6 1 1 Cleaning the System oseni eera oie nai rises Weed oe 6 1 6 1 2 Creating a backup copy of the system hard diSk seseeessesesesessesesesrsrssesesesrsrese 6 2 6 2 MAINTENANCE TO BE PERFORMED BY SERVICE PERSONNEL ssesseceseseeeseeeeeees 6 2 2 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 General Description Chapter1 General Description 1 1 Introduction DP 6600 is a portable digital diagnostic ultrasound system which features black amp white imaging 1 Front view A EN amp N iS ey wY Power indicator A D OERDGRAGERAUIERIGRAE RRSU 0O Air inlet Figure 1 1 Front view 2 Rear view Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 1 1 General Description Transducer holder Transducer cable hook Main unit vent 3 Left view 4 Right view Handle Gel cup holder CRT vent grounding pole Power inlet Power switch Winding rack Main unit vent Network interface Printer interface Video interface Figure 1 2 Rear view Figure 1 3 Left view
21. 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 5 A 5 A 5 9 A 5 A 5 A 5 10 A 5 A 5 A 5 11 GND GND GND 12 HVC GND GND 13 GND GND GND 14 GND GND GND 15 2V5 2V5 2V5 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 7 Description of the Principle 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 28 GND GND GND 29 TxDToKB GND RxDFromKB 30 GND GND GND 31 D 5 D 5 D 5 32 D 5 D 5 D 5 Another VME socket also the AMP AMP535043 4 is used for connecting the power board and the connection board See Table 0 4 for the definition of the interface signals Table 0 4 Definition of the interface signals between the power board and the connection board 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 5 A 5 A 5 9 A 5 A 5 A 5 10 A 5 A 5 A 5 11 GND GND GND 12 HVC GND GND 13 GND GND GND 3 8 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle 14 GND GND GND 15 2V5 2V5 2V5 16 GND GND GND 17 1V5 1V5 1V5
22. D 0 ee eeeseeeseesesetseseseeeeseseeceseeeeseeeeaeeeeeeeeees 2 8 2 2 4 Disassembly of the power DOAMC ee ee eseeeeeeteeeeseeeseseeeeseeeesceeeceseceeacetaeeeeeeaeees 2 9 2 2 5 Disassembly of the main board and the transducer board es eeeeeeeeeee 2 10 2 2 6 Disassembly of CRT CRT adjustment board and the connection board of the MaN UNa a See ads eA cesta bs hi esd dee acct AaS aan deta ANAETAKA 2 13 2 2 7 Disassembly of CRT screen filter ee eteeesceeeseeeeceeeeesceeeseseeeeseeeesceeaeeeeeneees 2 16 2 2 8 Disassembly of the keyboard trackball and DUZZEP 0 ce eeeesceceteeeeeeeeeeeeees 2 16 2 2 9 Disassembly Of the fan seerne ceveesedecdeeetbecdnestbectnesbdsaderstdeadseeth ttn aO 2 20 2 2 10 Remove USB extension wire 0 ee eeesceeeseeeeceeeeeseeeescseeecseeeseeeeseeeeeeaeeetaeeeeees 2 20 CHAPTER3 DESCRIPTION OF THE PRINCIPLE cceccceeeseeeseeneeeneeseeeeenenenes 3 1 3 1 THE PRINCIPLE OF THE HARDWARE scsecescssesesessescnecesscssessessenenesesssscnsceesenensceesensnes 3 1 3 1 1 TASS DOWEL DOAN Otc tai tition Ses taes Maia roti a ta ietath aie Seale de then Nathan tata es 3 1 314 2 THE COMNECTON DOAIC issos aa deel teks tele E R eta 3 5 S153 TENE tranSAucCen board s misserin oean a eddie heise i 3 10 SkA hemainpoardi srana e ears prec a reer reverse en fe peeeeer cee pn peer 3 11 3 5 Therkeyboard sieneen ed adie iets eed 3 15 SilsOw CR KASPAY nN scot tess ech see ach Pe feat See e
23. DP 6600 Digital Ultrasonic Diagnostic Imaging System Service Manual 2005 2006 Shenzhen Mindray Bio medical Electronics Co Ltd All rights Reserved Product Information Product Name Digital Ultrasonic Diagnostic Imaging System Model DP 6600 Issued Date of this manual 2006 10 Version 1 1 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 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 rent adaptation and translation of this manual in any manner whatsoever without the written permission of Mindray is strictly forbidden i m A Ps wor MET OmniLab WH Prince 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 edi
24. E All ultrasound transducers can be connected to this system are Type BF applied part Attention indicates the points requiring attention Be sure to read the operation manual concerning these points before using the equipment VI Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 Safety Precautions Please observe the following precautions to ensure patient and operator safety when using this system A CAUTION 1 Display the most suitable image and select the most suitable measurement mode for the intended measurement The results must be determined by a specialist The basic measurement results are not displayed in the exam report Be sure to perform measurement within images If the area is outside the image incorrect diagnosis may result The detailed precautions for each measurement are described in the corresponding section Read and understand these precautions before performing the measurement Data in temporary storage areas such as the CINE memory is deleted when the power supply is turned OFF or when the Patient switch is pressed Such data may also occasionally be deleted due to accidents To minimize the possibility of reexamination being required as a result of unintended data deletion back up the required images on external storage media Refer to the Operation Manual Fundamentals for precautions regarding the use of this system
25. GB and it is a monochromatic signal that features over 40MHz bandwidth 75 input impedance 0 7V maximum amplitude Since the B is the analogue video signal which shouldn t be interfered by digital signals the ground wire must be used for shielding The signal wire from the monitor is connected to the JST B6B PH K S socket on the connection board See Table 3 6 for the definition of the interface signals Table 3 6 Definition of the socket of the display signal Position PIN1 PIN 2 PIN 3 PIN 4 PIN 5 PIN 6 Signal GND HS VS GND GND B Description Ground Horizontal Vertical Ground Ground Video synchronization synchronization signal The monitor obtains the 13 5V power the current of which is 1 5A from the 13 5V output of the power board The power cable of the monitor is connected to the JST B4B PH K S socket on the connection board See Table 3 7 for the definition of the interface signals Table 3 7 Definition of the power socket of the monitor Position PIN 1 PIN 2 PIN3 PIN 4 Signal GND GND 13V5 13V5 Description Ground 13 5V power 3 1 3 The transducer board The transducer board is designed to switch between the two transducers and to read the ID code from the corresponding transducer Relay channels are incorporated to control the switch while they are driven by another two relays The control signal ENB from the main board used as the coordinating signal of the transdu
26. INE FPGA Display circuit FPGA FP1 Prompt on turning off the system Other FPGAs Other FPGAs in the FP2 Prompt on turning system off the system Start up bitmap The image displayed BMP The system resets when the system starts automatically up Text printing fond The vector fond for TTF The system resets printing the diagnostic automatically reports Factory default the backup of factory DTA DTA The system resets setup data in flash automatically Chinese entry Chinese entry data CIM The system resets automatically Transducer s The data of the PRB The system resets data transducers supported automatically Taking the system software as an example the upgrading process is described as follows Put a U disk with UPG upgrading files into a USB interface gt Click system software menu item a file dialogue box pops up and opens 1 Load File Driver vy Path C Total System Update Files 1 Files DP6600 UPG 4 Name Type Patient Name Patient ID Modify time DP6600 UPG 04 11 20 14 20 Figure 3 11 the dialogue box for loading files gt Select the file to be upgraded in the dialogue box The meaning of each item is described as follows Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 21 Description of the Principle 1 Drive path 2 Directory path 3 Name of the selected file 4 File l
27. In addition this FPGA chip can also generate the horizontal and vertical synchronization signals for the VGA monitor and the control signal for the video printer The function of the DSC circuit is realized in one FPGA which is the ACEX1K100QC208 made by ALTERA The chip has one 256k X 16 SRAM used for the B type DSC look up table and the M type memory and four 128kx8 SRAMs used for the B tyoe DSC memory The chip MCF5307 made by Motorola is used as CPU and the control core of the DP 6600 The chip has SDRAM and FLASH as internal memory and Boot ROM and it is externally connected with power detection A D watchdog real time clock and temperature detection circuit through IIC bus The serial port for communicating with the keyboard is provided by the CPU The chip CPLD provides the interfaces between the CPU and the external circuits including the USB control interface network control interface and FPGA configuration interface etc The DP 6600 has two video DACs one for generating the monochromatic VGA signal the other for generating the video signal Since the system needs two video signal outputs there are two operational amplifiers The chip for network interface provides the functions of MAC and PHY and it is externally connected with a network transformer to isolate the network signal The chip for USB interfaces controls the two USB interfaces and is connected with an external power management chip Each USB interface can provide
28. USB interface 1 2 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 General Description Transducer socket Figure 1 4 Right view 5 Elevation view with the keyboard unfolded keyboard hook screen filter buckles screen filter screen knobs screen indicator keyboard buckle Figure 1 5 Elevation view with the keyboard unfolded 1 2 Preparation for Repair The needed tools and measurement devices are shown as followed Table 1 1 Tools and Devices for Repair Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 1 3 General Description Screwdriver various sizes and Unspecified types Flat headed screwdriver large a Unspecified Wire nippers a a Unspecified Needle nose pliers a Unspecified Diagonal pliers a Unspecified Soldering iron and stand a Unspecified Desoldering tool a Unspecified Wrench set E E Unspecified Adjustable wrench a Unspecified Tweezers a Unspecified Hammer a Unspecified Metric Allen wrench set a Unspecified File various types a Unspecified Cutter SS aa Unspecified Table 1 2 Consumable Material Consumable Material Specification Standard Insulation tape Unspecified Hishilite tube Empire tube Unspecified various types Wires various types Unspecified Unspecified types Solder Paper file various types Screws nuts washers various Ethanol for cleaning and disinfection 1 4 Digital Ultr
29. agnostic Imaging System Service Manual V1 1 2 20 Structure of the Complete Machine amp Disassembly 2 Remove 7 PT3x8 screws fixing the cabinet bottom board and remove the cabinet 7 PT3x8 screw Figure 2 36 Disassemble the cabinet 3 Remove 2 PT3x 8 screws fixing USB compressor and remove USB compressor and then take out USB extension wire PT3x8 screw TE fi I USB compressor Figure 2 37 Remove USB extension wire 2 21 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle Chapter3 Description of the Principle 3 1 The Principle of the Hardware 3 1 1 The power board 3 1 1 1 Description of the power board The power system is designed to supply power for the overall ultrasound diagnostic system and it can supply nine static DC outputs including the 5V D 5V and A 5V 5V 4 12V 4 13 5V 4 3 3V 4 1 5V 2 5V and program controlled high voltage outputs The performance specifications for each output are shown in Table 3 1 Table 3 1 the specifications for the power board outputs Item Rated Voltage Rated Mini Voltag Load Ripple Use Voltage Precision Load mum e Adjust Noise V Load Adjust ment MVpk p
30. asonic Diagnostic Imaging System Service Manual V1 1 General Description 1 3 Schematic Diagram AC INPUT PowerBoard Monitor KeyBoard Probe MainBoard Board USBX2 VIDEO x 2 REMOTE CTL Figure 1 6 Schematic Diagram Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 1 5 Structure of the Complete Machine amp Disassembly Chapter2 Structure of the Complete Machine amp Disassembly 2 1 Structure of the Complete Machine 2 1 1 The appearance view of the main unit 1 Main unit 2300 30 29157 Figure 2 1 The appearance view of the main unit 2 1 2 The exploded drawing of the complete machine 2 1 2 1 The exploded drawing of the complete machine Refer to the figure below 2 3 456 4 a 14 Refer to the figure below Figure 2 2 The exploded drawing of the complete machine 2 1 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly 2 1 2 2 Parts of each assembly 1 SOOO ee OP O Re GO IND N CC CO e e O O N O o A O N QO CRT knob screen filter fixing buckle screen filter keyboard hook front cover keyboard protective pad handle rubber cap A handle rubber cap B handle transducer holder rear cover transducer cable hook winding rack winding rack rubber cap hook holder bottom rubber pad bottom plate USB cable conductive cloth
31. cer board controls the 2N7002LT1 an N type FET and the MC74HCT244 an IC component The FET controls the relays to switch the transducers while the MC74HCT244 returns the correct ID code to the corresponding data interface for the main board to read it out The schematic diagram of the transducer board is shown in the figure below Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle ECHO n 1 lt ane ae ENB eray Relay A E n 1 B E n 1 pes K AID 3 0 A probe B probe PAE socket socket output BID 3 0 ID 3 0 i Figure 3 5 the schematic diagram of the transducer board 3 1 4 The main board 3 1 4 1 Principle description The main board can realize the functions such as transmission and reception beam forming signal processing DSC CINE review networking USB VIDEO and VGA etc The hardware of the main board supports an transmission circuit which is divided into an low voltage transmission pulse drive circuit and high voltage transmission pulse drive circuit The transmission is realized by the EP1S10 FPGA of Stratix series and its sequence is controlled by the FPGA as well The ATGC DAC circuit mainly uses the DAC to generate the voltage controlled signal of the voltage controlled gain amplifier In addition this dual channel DAC can also generate a voltage controlled signal for controlling the PHV var
32. cuit and it is mainly used for converting the analogue signal returned from the slide Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 15 Description of the Principle 3 1 3 1 potentiometer into the digital signal that can be accepted by the MCU The schematic diagram of the keyboard is shown as follows a Watchdog _ 5V 3 3V rotary circuit DC DC encoder trackball conversion enclosure protection ground 3x11 U i_ key array TGC ADuC812 6 5 LC4256V adjustment 6 segment I UART ur k 74HC373 buzzer value of the rotary LED driver control encoder button Figure 3 7 the schematic diagram of the keyboard 6 CRT display The CRT is designed for converting the electric signal from the main board into high speed electrons for striking the screen and then the electrons are converted into the optical signal therefore the image can be seen on the screen The external indicator for CRT is used for judging whether the monitor works normally and the indicator should be green when the monitor is receiving the synchronous signal otherwise the indicator should be yellow 7 Field tuning after replacing the board After the main board is replaced the system must be turned on to perform the overall self test Additionally all the interfaces
33. ee ee aoe tae etre tak ae tg 3 16 3 1 7 Field tuning after replacing the board 00 0 ee eeeeceseeeeseteeeeeeeeseeeseseeeeseeeeaeeeeees 3 16 3 2 PRINCIPLE OF THE SOFTWARE ceann e a a e a aS 3 17 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 1 Contents 3 2 1 Features and functions of the real time operating system eects 3 17 3 2 2 Description of the system software 2 ee eseeseeeeeseeeeesceeeseseeeesseeeaeeeaeeeeeeaeees 3 18 3 2 3 Software upgrading procedure 0 eee eeesesesseeeeeeeseeeeceseeeeseeeeaceeeceaeeeeaeeeeaeeseeaeees 3 20 CHAPTER4 SYSTEM START UP isco ot eccs ecco tectecetocunteudcecevsencueeauactdavtenachenecutents 4 1 4 1 SYSTEM START UP trenian E E node salauaeagengaraogeeAgeseaaaaiteas 4 1 CHAPTER5 TROUBLESHOOTING ssssassssnennenennennrnnnnnnnnnnnunnnnnnnunnnnnnnnnnnnnnn ananena 5 1 5 1 BLACK SCREEN cote adios anced anai a a a a a a 5 1 5 2 NO RESPONSE FROM THE KEYBOARD scssecsssssesesesessesessenssstesscssnsssssensessessescnssecsens 5 1 5 3 No ECHO SIGNAL IN IMAGE AREA ssossssesssesstesstsssesroissointtenstonstosstosetnsoisoensronsrosstesste 5 2 5 4 BLACK AREA IN THE IMAGE BLACK STRIP u cccesessssecesesseseseseesesesesesseseseeesseaeeeeeenens 5 3 5 5 IMAGE INTERFERENCE sac esas Saas Sone a a Vast pene pos hey cs et cnare ses ara pay cheaniatata tenstensresste 5 3 5 6 BACK END CIRCUITS FAULT ixiccecutiun csaltnmsdeateum nlarandguteuas areuontuaievm ceatuwasseate up nenamiees
34. gnals HS VS and B 3 1 4 3 Key signals and indicators Table 3 6 key signals and indicators Attribute Description LD4 Indicator for CINE On the U179 configuration succeeds the CINE FPGA U179 review circuit post processing circuit and display circuit can work normally Off the U179 configuration fails or the U179 isn t configured the CINE review circuit post processing circuit and display circuit cannot work normally LD6 Indicator for DSC On the U189 configuration succeeds B type DSC FPGA U189 circuit and M type DSC circuit can work normally Off the U189 configuration fails or U189 isn t configured B type DSC circuit and M type DSC circuit cannot work normally LD7 Indicator for On the U197 configuration succeeds the front end 3 14 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle EP1S10 U197 transmission circuit reception circuit beam forming circuit and signal processing circuit can work normally Off configured the U197 configuration fails or U197 isn t the front end transmission circuit reception circuit beam forming circuit and signal processing circuit cannot work normally X2 3 External input clock The frequency is 45MHz for CPU X3 3 Display clock for the The frequency is 25MHz system U202 2 A 9V Powers the low voltage pulse transmission circuit U208 2 A 3 3V For the high
35. he parameter management object is designed for retaining the parameters such as the preset data the current true data and the parameter output Additionally the parameter management object determines all the characteristics of the parameters 6 Preset data management object The preset data management object is designed for managing all the preset data stored in the flash memory The preset data are aggregated based on the exam modes and then stored in the corresponding sectors The preset data management object has a data buffer which saves the preset data based on the current exam mode 7 Hardware driver The hardware driver object is designed for driving the system hardware It generally constructs its structure based on the functions 8 File management object The file management object is designed for providing all operations related to file reading or writing and the disks It seals the functions related to the disks and files in the operating system 9 Printing management object The printing management object is designed for providing all the printing operations of the ink jet printer It is used for sealing the functions related to the graph text printer In the system the printing management object prints the diagnostic reports based on the printing templates 10 Serial port 1 The serial port 1 is used for managing the communications with operation panel 11 System mailbox HotMailBox This mailbox is used for sa
36. iation and the input signal of the DAC is provided by EP1S10 EP1S10F672C7 is the FPGA of the Stratix series made by ALTERA It features 1M gate 10 000 LE 94 512bits RAM blocks 60 4Kbits RAM blocks one 512Kbits RAM block and six DSP blocks each DSP block can be configured into one 36 lt 36 multiplier four 18X18 multipliers or eight 9X9 multipliers It also supports various 3 3V differential I Os and DDR interface In the DP 6600 EP1S10F672C7 is the control core for the front end circuit providing the transmission sequence control of the transmission circuit the control of the reception selection circuit the gain adjustment control of the voltage controlled gain amplifier the adjustment control of PHV the beam forming logic the signal processing logic Moreover the Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 11 Description of the Principle phase lock loop output of EP1S10F672C7 provides a 29 5MHz clock for PAL system VIDEO signal and a 6MHz clock for USB control chip
37. ist Click OK button The system software will be upgraded After the upgrade finishes the system will Update finished please re power Figure 3 12 the prompt information at the end of the upgrade prompt Turn off the machine and then after a while turn it on again Note After the upgrade finishes for some data it needs to turn off the machine and turn it on again however for other data the system will reset automatically to enable the upgraded data 3 22 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 System Start up 4 1 Chapter4 System Start up System Start up The start up process is described as follows 1 2 pO oO oe 10 The system finishes the initialization of CPU DRAM and chip selection The system copies the firmware in the flash to DRAM The system runs the software in DRAM configures CPU interrupt and fills in the interrupt vector table The system configures the display circuit FPGA The start up image displays The system configures other circuit FPGA The system reads out the preset data and based on the preset selects the exam mode and the transducer The front end is initialized based on the selected transducer The system initializes the scanning and back end parameters opens the scanning interrupt and performs the image scanning The system enters the start up image Digital Ultrasonic Diagnostic Imaging System Service Manua
38. k ment Rate Rate 1 A 5V 3A 0 5A Analog circuits keyboard 2 D 5V 3 5A 1 0A lt 30mV Keyboard USB 3 5 0V 0 4A 20m Amplifier A 4 13 5V 1 5A 0 3A VGA 5 12V 5 0 35A 100 lt 2 lt 5 Fan CMOS mA lt 50mV devices 6 HV 50mA 0 Transmission circuit 7 3 3V 3 5A 0 2A Digital circuits 8 2 5V 1 0A 0 2A lt 30mV Digital circuits 9 1 5V 2 0A 0 2A Digital circuits 3 1 1 2 The basic principle The schematic diagram of the power board is shown in Figure 2 1 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 1 Description of the Principle As shown in the figure the power board is comprised of the input circuit PFC front end FORWARD converter and back stage DC DC converter circuits The AC input first goes through the EMI filter and surge suppression circuit and then the BOOST APFC circuit to have the power factor corrected and to provide a stable 390V DC voltage to the FORWARD converter The FORWARD converter provides 4 outputs 5V 5V 13 5V and 24V The 24V output serves as the input of the HV output of the power board The 13 5V output passes two diodes to generate the 12V output of the power board The 5V output serves two purposes 1 to be divided into the A 5V and D 5V outputs of the power board 2 to serve as the input to the back stage DC DC converters to generate the 3 3V 2 5V and 1 5V outputs of the power board The PFC circuit adopts the TI UC3854 as the
39. kball 2300 30 29156 2300 20 29075 2300 21 29142 2300 20 29060 2300 20 29057 0000 10 10893 2 1 4 The exploded drawing of CRT assembly 2 1 4 1 The exploded drawing of CRT assembly Figure 2 5 The exploded drawing of CRT assembly Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 2 4 Structure of the Complete Machine amp Disassembly 2 1 4 2 Parts of CRT assembly 1 CRT assembly 2300 21 29149 2 CRT frame 2300 20 29094 3 CRT insulation pad 2300 20 29095 4 handle frame 2 2300 20 29108 5 guard plate 2300 20 29109 2 1 5 The power assembly 2 1 5 1 The exploded drawing of the power assembly A DOP J 24 sp 1112 1314 15 16 171819 98 ane 29 w Z 9 23 Figure 2 6 The exploded drawing of the power assembly 2 1 5 2 Parts of the power assembly 1 Power box upper cover 2300 20 29194 2 Fan connection wire 2300 20 29141 3 Power board 2300 30 29059 4 Power board support 2300 20 29098 5 Power box shielding pad 2300 20 29202 6 Power box lower cover 2300 20 29195 7 Connection board 2300 30 29053 8 Main unit cabinet 2300 20 29096 9 Plastic slot M90 000115 10 Right wind shield 2300 20 29113 11 Cabinet rear cover 2300 20 29104 12 Power connection wire 2300 20 29140 13 Left wind shield 2300 20 29107 14 Fan 2300 20 29143 15 Fan pad 2300 20 29099 16 Cabinet tail board 2300 20 29105 2 5 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Com
40. l V1 1 4 1 Troubleshooting Chapter5 Troubleshooting 5 1 Black Screen If CRT appears black screen adjust the knobs of contrast and brightness and tune the knobs in the middle Additionally verify it is not the fault of connection wire of CRT Check the system according to the following chart No display or display abnormality Replace the main board The main Is the problem resolved board s fault CRT s fault Figure 0 1 Solution of the black screen fault 5 2 No Response from the Keyboard First verify it is not the fault of connection wire of the keyboard Check the system according to the following chart Keyboard is abnormal i Replace the main board Is the problem resolved The main board s fault The main panel s faut Figure 0 2 Solution of the keyboard fault 5 1 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Troubleshooting 5 3 No Echo Signal in Image Area are missing eplace the transduce and use the same connector Is the problem resolved The transducer s fault The transducer board s fault Can the sound chirp be Replace the heard from the power board transducer Connect different transducer connector Is the problem resolved Is the problem resolved PHV s fault Yes The main board s fault Figure 0 3 Solution of no echo signal in image area Digital Ultrasonic
41. m the main board when ENB is low the transducer A is selected and its ID code of the transducer A is the output when ENB is high the transducer B is selected and its ID code is the output The socket P4 for connecting the main board and the connection board is defined in the table below Table 0 5 Definition of the socket for connecting the main board and the connection board 1 2 3 4 5 6 7 849 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A PHVI NC G 5V G 12V G JA 5 A 5 A 5 G JHVC G G 2V5 G 1V5 1V5 G G 3V3 3V3 G G 13V5 VS HS G TXD G D 5 D 5 B PHV NC G 5V G 12V G A 5 A 5 A 5 G G G G 2V5 G 1V5 1V5 G G I3V3 3V3 G G 3V5 G G G G G D 5 D 5 C IPHV NC G SV _ G 12V G A 5 A 5jA 5 G G G G 2V5 G J1V5 1V5 G G I3V3 3V3 G G 3V3 G B G JRXD G D 5 D 5 A VME socket is adopted for connecting the main board and the connection board and it is the 650947 5 made by AMP The main board is connected with the power board through the connection board and the power signals transmitted from the power board include PHV 5V A 5V 2 5V 1 5V 3 3V 13 5V and D 5V The main board outputs the HVC to control the HV output of the power board and also outputs the serial signals RxDFromKB and TxDToKB and the VGA si
42. must be tested including the USB interface network interface video interface and video printer control interface etc After the connection board is replaced all the supply voltages should be tested on the connection board by means of a multimeter Additionally it must be verified that the monitor and the keyboard can work normally and it is recommended that the system be subjected to an overall self test After the transducer board is replaced the two different transducers should be respectively connected to the dual transducer socket to verify the normal switch between the two transducers and simultaneously observe the types of transducers Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle displayed on the screen to judge if the transducers are correctly switched During the switch of the two transducers you should hear the relays click In addition the user can place the connected transducer near an ear to listen if it chiros and simultaneously observes if the near field of the image is highlighted to judge whether the transducer is transmitting It is recommended that the system be performed the overall self test After the power board is replaced all the supply voltages should be tested on the connection board by means of a multimeter It must be verified that the monitor and the keyboard can work normally And the system must be subjected to an overall self test After the keyb
43. oard is replaced the function tests must be performed for all keys encoders the trackball and the slide potentiometer to verify that all functions are normal Additionally the back light of the keyboard must be observed to verify it is normal And if a U disk is connected to the system to save files observe whether the USB indicator on the keyboard flickers 3 2 Principle of the Software 3 2 1 Features and functions of the real time operating system The system is a real time multitask embedded system supported by a real time operating system It is comprised of two parts the real time multitask operating system and system application program and it features as Real time Responding to asynchronous events Responding to synchronous events 2 3 4 Interrupt management 5 Definite conversion time and interrupt delay time 6 Advanced sequence arrangement The operating system can realize the functions such as task conversion task sequence arrangement communications between tasks synchronization mutual repellence and interrupt management etc Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 17 Description of the Principle 3 2 2 Description of the system software 3 2 2 1 The structure of the system software information management l l i interface machine management management UART 1 l i bottom hardware d
44. oard s fault The power board s fault Figure 0 5 Solution of image interference 5 6 Back end Circuits Fault If it is the fault of CINE review circuit DSC circuit post processing circuit display circuit FPGA configuration network or USB it can be resolved by replacing the main board And the specific fault can be found by self test 5 7 Other Faults Table 0 1 Other faults list No FAULT Cause Remark 1 The fan doesn t 12V power is abnormal Supply the 12V power work The cable s fault directly by the power The fan s fault board and check the 12V voltage in the power board 2 USB fault The cable s fault Replace USB interface The main board is abnormal cable The software doesn t Check the main board Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 5 4 Troubleshooting support U disk or the printer Use U disk or the printer of specified model 3 Video output fault Video cable s fault inside Check the the main board corresponding video The main board is abnormal cable Check the main board 4 Network fault The main board is abnormal First verify that the external network is connected correctly 5 5 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Maintenance and Cleaning Chapter6 Maintenance and Cleaning 6 1 Maintenance to Be Performed By User 6 1
45. om the keyboard to the main 3 6 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle from keyboard board TxDToKB Transmit data to The 5V TTL serial signal from the main board to the keyboard keyboard VS VGA vertical The 3 3V COMS signal from the main board to the synchronization monitor for VGA vertical synchronization HS VGA horizontal The 3 3V COMS signal from the main board to the synchronization monitor for VGA horizontal synchronization B VGA video The analog video signal from the main board to the signal VGA port of the monitor the maximum value up to 0 7V A VME socket the AMP AMP535043 4 is used for connecting the main board and the connection board The main board is connected with the power board through the connection board to obtain the powers PHV 5V A 5V 2 5V 1 5V 3 3V 12V 13 5V and D 5V digital The main board outputs an analog signal HVC to control the HV output of the power board The serial signals RxDFromKB and TxDToKB are used for the communications between the main board and keyboard The main board outputs the VGA signals HS VS and B to the monitor See Table 0 3 Definition of the interface signals between the main board and the connection board below Table 0 4 Definition of the interface signals between the main board and the connection board
46. ory Check item Cleaning Interior of the system Peripheral devices Electric safety Protective conductor resistance Ground line leakage current Enclosure leakage current Patient leakage current Patient leakage current II Patient auxiliary current Mechanical The casters safety The caster mounting sections The monitor mounting mechanism Operating panel Mounting mechanism for the peripheral devices Other mechanical parts External appearance of the transducer Image recording Images in each mode Image recording using the standard transducer Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 6 3 P N 2300 20 29178 V1 1
47. plete Machine amp Disassembly 17 Grounding pole 0509 20 00098 18 Power socket 2300 21 29147 19 Power switch 2100 10 07943 20 Main board connector 2300 20 29208 21 Main board 2300 30 29051 22 Main board support 2300 20 29110 23 Conductive cloth 9901 10 23920 24 Transducer board shield cover 2300 20 29198 25 Transducer board 2300 30 29055 26 Transducer socket fixed plate 2300 20 29101 27 Shield spring A 2102 20 16918 28 Shield spring B 2102 20 17113 29 Transducer socket fastener 2300 20 29199 2 2 Disassembly 2 2 1 Disassembly of the rear cover 1 Removing the transducer cable hook Figure 2 7 Disassembly of the rear cover A Turn the transducer cable hook clockwise to the end B Take out the transducer cable hook upward 2 Removing the handle and winding rack Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 2 6 Structure of the Complete Machine amp Disassembly M4x16 Screw Handle rubber 4 cap A Handle rubber Figure 2 8 Removing the handle and winding rack A Pull out the handle rubber cap A amp B and the winding rack rubber cap B Remove the two M4x16 fixing screws and then take out the handle C Remove the two M4x12 fixing screws and then take out the winding rack 3 Removing the rear cover 1 Ul W gt
48. river parameter preset data file management print management management management Figure 3 8 the structure of the system software 3 2 2 2 Description of object functions 1 Information management The task of the information management object is to transfer and distribute information The information is taken out from the system information box and then distributed to other objects such as interface management and machine management 2 Manager for booking and releasing information This information releasing manager doesn t generate a sample However it serves as an object in the system managing the information booking or canceling the information booking and releasing the information to the object that books the information 3 Interface management object The task of the interface management object is to manage all the graphics elements on the screen such as menu dialogue box image window static text edit window valid curve and cursor etc 4 Machine management objects The machine management objects refer to a series of objects which are aggregated based on the parameters and the other objects related to hardware drivers These objects are designed to seal all the parameters and parameter operations that are related to machine characteristics Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle 5 Parameter management object T
49. sembly of the main board and the transducer board 2 5 Pull out the assemblies of the main board and the transducer board backward 2 11 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly Figure 0 18 Disassembly of the main board and the transducer board 3 6 Remove 7 M8X6 screws connecting the assemblies of the main board and the transducer board and disassemble the main board T sel 7 M3X6 connecting screws Figure 0 19 Disassembly of the main board and the transducer board 4 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 2 12 Structure of the Complete Machine amp Disassembly 7 Remove 8 M8X6 screws fixing the transducer board shield cover 7 M3X6 screws fixing the transducer board shield cover Figure 0 20 Disassembly of the main board and the transducer board 5 8 Remove 4 M3X6 screws fixing the connection board of the transducer socket and remove the transducer board A Yi 4 M3X6 screws fixing the connection board Figure 2 21 Disassembly of the main board and the transducer board 6 2 2 6 Disassembly of CRT CRT adjustment board and the connection board of the main unit 1 Disassemble the rear cover to take out the assemblies of the tail board and the back board 2 13 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of
50. the Complete Machine amp Disassembly Remove 4 PT4X14 screws fixing the front cover 4 PT4X14 screws fixing Figure 2 22 Remove 4 PT4X14 screws fixing the front cover Disconnect CRT signal cable keyboard connection wire CRT power wire and CRT adjustment board connector CRT signal cable CRT power Keyboard CRT adjustment wire connection wire board connector Figure 2 23 Disconnect the connection wires Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 2 14 Structure of the Complete Machine amp Disassembly 4 Remove 8 M3X8 screws fixing CRT assembly and take out CRT fh i 8 M3X8 screws fixing CRT assembly Figure 2 24 Remove CRT assembly 5 Remove CRT adjustment knobs and 4 PT3X8 screws fixing CRT adjustment board and then remove the CRT adjustment board CRT adjustment knobs 4 PT3X8 screws fixing CRT adjustment board Figure 0 25 Remove CRT adjustment knobs 6 Remove 8 M3X6 screws fixing the connection board of the main unit and then 2 15 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Structure of the Complete Machine amp Disassembly remove the connection board of the main unit 8 M3X6 screws fixing the connection board Figure 0 26 Remove the connection board of the main unit 2 2 7 Disassembly of CRT screen filter 1 Slide the two screen filter buckles outward and pull them out 2 Pull out the upper screen filter
51. torial purposes without the intention of improperly using them They are the property of their respective owners II Digital Ultrasonic Diagnostic Imaging System Service Manual V1 10 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 safety reliability and performance of this product only in the condition that e all installation operations expansions changes modifications and repairs of this product are conducted by Mindray authorized personnel e the electrical installation of the relevant room complies with the applicable national and local requirements e the product is used in accordance with the instructions for use A WARNING itis 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 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 III Warranty THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE Exemptions
52. ving the information with first priority Its data structure is FIFO rank TheMailBox This mailbox is used for saving the information with common priority Its data structure is FIFO rank TheMailBox2 This mailbox is used for saving the information with minimum priority Its data structure is FIFO rank Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 19 Description of the Principle 3 2 3 Software upgrading procedure 3 2 3 1 Entering the upgrading procedure Entering the maintenance operation click File key click preset click maintenance gt the password dialogue window pops up Please input password yp Figure 0 9 the password dialogue window Enter the password 23002378 andclick OK to enter the maintenance menu Gray Test Other FPGA SelfDiagnosi Default Preset CIM Figure 3 10 the maintenance menu 3 2 3 2 Upgrading operation Each item in the upgrading submenu is used for the upgrading function Perform the upgrading operation based on the different data that are described in the table below Table3 7 the functions to be upgraded Menu Data File name AFTER extension UPGRADED System software Software UPG Prompt on turning 3 20 Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 Description of the Principle off the system C
53. voltage isolation and reception selection circuit U209 3 A 1 5V For the high voltage isolation and reception selection circuit U173 2 3V For the ADC circuit VTGC Test point for TGC The TGC control signal can be tested at this test control signal point AHV CNTL PHV control signal The PHV control signal can be tested at this test point 3 1 5 The keyboard The keyboard plays an important part in the information exchange between the system and the outside and according to the functions it can be divided into several parts such as the CPU circuit DC DC conversion circuit keys control circuit trackball control circuit encoder control circuit LED driver control circuit and STC A D sampling circuit The CPU circuit is comprised of one MCU chip and its peripheral circuits and it is the core of the keyboard and used for coordinating and processing various information The DC DC conversion circuit is designed for providing different levels needed by the keyboard The keys control circuit refers to the keys processing hardware mainly comprised of a CPLD and its peripheral circuits The trackball control circuit and encoder control circuit are used for converting the mechanical actions of the outside into the signals that can be identified by the MCU The LED control circuit is used for indicating the states of the LEDs The STC A D sampling circuit is incorporated with slide potentiometer and amplifier and AD sample cir
54. wer board keyboard and monitor See Figure 3 4 for the connections Digital Ultrasonic Diagnostic Imaging System Service Manual V1 1 3 5 Description of the Principle User Interface Power Power v p MainBoard al a o Power VGA UART 5V Connection Board UART Key 13 5V VGA Board Monitor Figure 3 4 Interconnection of the system The signals of the connection board are defined as follows Table 0 2 Definition of the connection board signals Symbol Name Description NC Empty No connection GND Ground Ground not specified as the analog or digital ground PHV High voltage The HV output of the power board ranging from 30V pulse to 140V 13V5 13 5V power The 13 5V output of the power board 12V 12V power The 12V output of the power board A 5 5V analogue The A 5V output of the power board power D 5 5V digital The D 5V output of the power board power 3V3 3 3V power The 3 3V output of the power board 2V5 2 5V power The 2 5V output of the power board 1V5 1 5V power The 1 5V output of the power board 5V 5V power The 5V output of the power board HVC High voltage The analog signal that goes from the main board to the control power board to control the HV output and varies between 0 and 4V RxDFromKB Receive data The 5V TTL serial signal fr
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