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Siemens Multimobil 5C - Service manual

1. 27 6 3 CONNECTION TERMINALS OF CAMERA CONTROL UNIT CCU 28 6 4 PERFORMANCES FUNCTIONS 28 6 5 ADJUSTMENTS amp EXTERNAL CONTROL 32 6 6 OSD PARAMETERS SETTINGS 35 6 7 PIN ASSIGNMENT 40 6 7 1 Pin assignment amp interfacing details 41 6 8 PERIODIC CHECKS 41 7 MECHANICAL CHECKS AND ADJUSTMENTS 42 7 1 PARTS WHICH NEEDS PERIODIC ADJUSTMENTS 42 7 1 1 BRAKES 42 7 1 2 BEARINGS
2. 49 8 1 3 No Standby 51 8 2 INITIALISATION ERROR CODES 52 8 2 1 CodE 90 EPROM CHECKSUM FAILURE 52 8 2 2 CodE 96 KV SOLL FAILURE 52 8 2 3 CodE 97 mA FAILURE 52 8 2 4 CodE 99 LAST RESET BY WATCH DOG TIMER 52 8 3 STANDBY ERROR CODES 53 8 3 1 CodE 02 15 V Supply Error 53 8 3 2 CodE 03 amp 04 Iheiz lt Istby amp Iheiz gt Istby 54 8 3 3 CodE 05 kVist lt gt 0 57 8 3 4 CodE 06 JR lt gt 0
3. 20 5 1 CHECKING THE LINE VOLTAGE FUSES AND LEDS 20 5 1 1 Checking the line voltage 20 5 1 2 Checking the fuses 21 5 1 3 Checking the LEDs 21 5 2 CHECKING THE CONTROL VOLTAGES 22 5 2 1 Checking the Line voltage display 22 5 2 2 Checking the Intermediate circuit voltage 22 5 3 CHECKING FOR EXPOSURE PARAMETERS 22 5 3 1 Checking the Main inverter frequency 22 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be
4. 13 2 6 6 mA mAs Measurement 14 2 6 7 Tuning 14 2 7 YEARLY CHECKS 14 2 8 PARTS SUBJECT TO WEAR 15 2 9 CHECKS PRIOR TO SWITCH ON AFTER PROLONGED SHELF LIFE 15 2 10 CHECKS PRIOR TO TRANSPORT 16 3 EXPOSURE CHARTS 17 3 1 FOR UNITS WITH 230V INPUT 17 3 2 FOR UNITS WITH 110V INPUT 18 4 ERROR CODES 19 5 TROUBLESHOOTING
5. 3 1 1 TECHNICAL SPECIFICATIONS 3 1 2 INFORMATION ON ROOM PLANNING 6 1 3 PACKAGING 6 1 4 UNLOADING 7 1 5 UNPACKING THE MM5C 8 1 6 UNPACKING THE MONITOR TROLLEY 9 1 7 INSTALLATION OF THE MONITORS 9 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 3 of 10 1 Pre installation 1 1 Technical Specifications Sr No Parameter Value 1 Main
6. 58 8 3 5 CodE 33 Main Inverter Short Circuit 59 8 4 EXPOSURE ERROR CODES 60 8 4 1 CodE 11 Main Inverter Short Circuit 60 8 4 2 CodE 12 kVist gt kVmax 61 8 4 3 CodE 13 Iheiz gt Imax OR JR gt Jrmax 62 8 4 4 CodE 14 kVist lt kVsoll 63 8 4 5 CodE 15 JR lt JRS 64 8 4 6 CodE 17 Exposure terminated by Backup Timer 65 8 4 7 CodE 18 Premature termination of Exposure 66 8 4 8 CodE 21 Iheiz gt Iheiz maximum 67 Copyright SIEMENS LTD All rights reserved For internal use only The information in this
7. 43 7 1 3 V BELT 44 7 1 4 CHAIN 44 7 2 PARTS WHICH NEEDS SERVICING OR REPLACEMENTS 44 7 2 1 V Belt 44 7 2 2 Bearings 45 7 2 3 Brake liners 45 7 3 TROUBLE SHOOTING AND RECTIFICATION 45 8 APPENDIX I 48 8 1 SPECIFIC ERROR CODE HANDLING 48 8 1 1 Unit not turning ON 48 8 1 2 No Radiography
8. 5 1 1 18 Filament Regulation 5 1 1 19 mAs Integration 6 1 1 20 Control of the Firing Pulse frequencies REG and CAL 6 1 1 21 Generation of actual Firing Signals 6 1 1 22 Main Inverter Short Circuit Feedback SCM 6 1 1 23 kVmax mAmax Feedback 7 1 2 INVERTER ASSEMBLY D61 7 1 2 1 Igbt Inverter Assembly 7 1 2 2 Firing 7 1 2 3 Inverter 7 1 2 4 SCM
9. 5 1 3 2 Electrical Check 5 1 3 3 Collimator 7 1 3 4 Exposure 8 1 4 GENERAL CHECK 9 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions Siemens Ltd Med India Version 2 0 Page 3 of 9 1 Installation 1 1 Transport Position of Unit After unpacking the unit as explained in pre installation bring the unit to its transport position as explained below Adjust the column to the bottom most position Bring the holder and C Arm in the default transport setting and lock all the levers Hang all the cables on the cable winder Place the foot switch in the holder Loosen the foot brake Pay attention that the wheels do not strike against any obstacles For tra
10. 10 2 4 PROTECTING THE SYSTEM FROM FLUIDS 10 2 5 ROUTINE CHECKS 10 2 5 1 Daily checks 10 2 5 2 Monthly checks 11 2 5 3 Performance Check Every Six months 11 2 6 CALIBRATION CHECK 12 2 6 1 Control Voltages 12 2 6 2 Signals 12 2 6 3 Exposure 13 2 6 4 Timing 13 2 6 5 kVp Measurement
11. 8 1 3 INTERFACE PCB D506 8 1 3 1 ON OFF Circuit 8 1 3 2 Line voltage measurement 8 1 3 3 Power Supply Distribution 8 1 3 4 Filament Circuit 9 1 3 5 Filament Supply and Heating 9 1 3 6 Filament Current Feed Back 9 1 3 7 Tube Current Feedback 9 1 4 RADIOGRAPHY DISPLAY amp MEMORY INTERFACE PCB D507 9 1 4 1 Key Interface 10 1 4 2 Interface with Master controller PCB
12. 3 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 3 of 16 Copyright SIEMENS LTD All rights reserved For internal use only 1 Wiring Diagrams The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 4 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 5 of 16 Copyright SIEMENS LTD All rights reserved For internal use only Master Card D915 Filament Interface PCB D506 Inverter Module Transformer T1 Single Tank Inverter PCB D61 SMPS 1 amp 2 US DL Capacitor Bank Mono Block X10 X8 X11 X20 X20 X11 X8 X10 X1 X4 Output Input X27 Exposure Release Switch C4 C5 X6 X6 X2 Y R S U V 12 22 kV mAs I O kV ist I O US DL kVist mAist Iheiz Drive1 2 ag SCH Disp1
13. 1 8 1 Specifications The Switch mode power supply D982 is used to supply 24 Volts to the small focus Filament The following are the specifications of the supplies 24 V at 5 Amps with Tolerance of 3 This output is maintained for the following range of the input conditions 110 190 240V ac at 50 60 Hz 2 Hz and an input current of 0 7 Amp rms All outputs are protected for short circuit conditions The circuit behaves normally upon the removal of the short circuit The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 13 of 13 Copyright SIEMENS LTD All rights reserved For internal use only 1 9 S M P S D985 of 110 watts 1 9 1 Specifications The Switch mode power supply D985 is used to supply 15 Volts to the large focus filament The following are the specifications of the supplies 15 V at 7 5 Amps with Tolerance of 2 This output is maintained for the following range of the input conditions 85 V ac to 264 V ac at 47 63 Hz and an input current of 1 8 Amp rms All outputs are protected for short circuit conditions The circuit behaves normally upon the removal of the short circuit For Servicing of Multimobil 5C with product status 02 refer to earlier version of service manual NOTE The information in this C
14. 10 1 4 3 Display Connections 10 1 5 FLUOROSCOPY DISPLAY amp GENERATOR INTERFACE PCB D509 10 1 5 1 Interface with Master controller PCB 11 1 6 COLLIMATOR CONTROL AND ADR INTERFACE PCB D508 11 1 7 SWITCH MODE POWER SUPPLY 40 WATTS SMPS 1 amp 2 12 1 7 1 Specifications 12 1 8 S M P S D982 OF 120 WATTS 12 1 8 1 Specifications 12 1 9 S M P S D985 OF 110 WATTS 13 1 9 1 Specifications 13 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information
15. SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 2 of 71 INDEX 1 SAFETY 5 1 1 SAFETY PRECAUTIONS 5 1 2 OVERLOAD PROTECTION 5 1 3 RADIATION PROTECTION 5 1 4 MEASURING WITH OSCILLOSCOPE 6 1 5 HANDLING PRECAUTIONS 6 1 6 MECHANICAL SAFETY 6 1 7 MAINTENANCE 7 1 7 1 Product Di
16. 1 2 4 SCM VCE of the Igbt is monitored continuously by the Igbt drivers In case of short in any Igbt s VCE will increase resulting in generating of active low signal on ERR pin of the driver ERR pin is normally held high by a pull up resistor in D506 The ERR pin can go low if the supply voltage falls below 13V instead of 15V When this signal is sensed by the microcontroller firing pulses are inhibited and Error Code 11 is displayed and the Igbt s are turned off 1 3 Interface PCB D506 1 3 1 ON OFF Circuit The mains voltage of 240 V ac appears across X1 1 and X1 2 The 15 Volts transformer T1 and regulator 7812 on the PCB provides the coil voltages for the On Off relays K1 amp K2 When Unit On switch I is pressed the circuit for Relay Coil K2 gets completed and causes the Relay K2 to energise This causes the contact K2 to close and provide the ac voltage to the Main Transformer and other circuit points like SMPS 40 watts amp 120 watts input and Contactor Coil connections As the coil K2 energises the contact K2 6 8 is established and hence the unit remains On even if the I switch is released When the switch O is pressed the Relay K1 coil is energised and this causes the Normally Closed contact K1 4 6 of relay K1 to open thereby opening the circuit connections for relay K2 The Unit thus is turned Off 1 3 2 Line voltage measurement Incoming Line voltage is stepped down to 15 volts when input is 230 AC It is convert
17. P1 2 1 F 1 5 7 K 2 V 1 V 3 250m A R 1 100K IN 4007 8 4 4 8 K 3 1 240V 630m A V 2 IN 4007 K 5 X 10 2 X 10 1 X 10 4 1 6 K 1 K 2 6 5 K 2 2 1 K 1 16 V 4 IN 4007 4 X 11 2 R 42 100K C O M V 5 X 10 17 J11 7 2 7812 J10 C 18 1 0 1 F 10 F C 1 1000 F 3 100K R 44 V 33 R 46 V 29 R 45 100K 100K R 43 V 28 C 19 6 5 X 6 6 Foot Sw itch A D R FL U R A D C 3 10 F X 20 5 X 10 8 X 20 9 X 10 5 X 10 7 X 10 11 X 10 9 X 6 5 X 6 8 X 6 9 X 2 7 X 2 8 X 2 6 15V 0V D 1K H K C O M Z B D IS P 1 D IS P 2 S C M V P X 27 3 X 27 1 X 27 2 X 20 14 X 20 18 X 20 16 X 10 23 X 10 25 X 10 24 X 6 4 X 6 3 X 6 2 R 39 X 6 1 V 11 V 11 V 11 V 34 12V 24V 0V L O FF O N X 20 10 X 20 17 X 20 13 X 20 15 X 20 20 15V 2 X 11 7 2 4 X 10 12 5 L N _R E L 4N 35 1 15V 1 16 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 13 of 19 V 27 100K 0 1R R 27 R 33 R 34 2N 3055 V
18. Med INDIA The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 2 of 13 Copyright SIEMENS LTD All rights reserved For internal use only INDEX 1 CIRCUIT DESCRIPTION 3 1 1 MASTER CARD D915 3 1 1 1 Power Supply 3 1 1 2 RESET Generation 3 1 1 3 Crystal Operation 3 1 1 4 Microcontroller 3 1 1 5 Octal Latch 3 1 1 6 GAL 3 1
19. Page 17 of 71 3 Exposure Charts 3 1 For units with 230V input Exposure Chart for units with 230V input Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 18 of 71 3 2 For units with 110V input Exposure Chart for units with 110V input Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 19 of 71 4 Error Codes Initialisation Error Codes 90 EPROM Checksum Failure The EPROM Checksum is stored at 7FFEh and 7FFFh as a 16 bit word During self Diagnostics the software calculates the checksum of the EPROM and compares with the stored checksum 96 kVsoll Failure During Self Diagnostics the software outputs 7Fh to the D A converter B The 2 5V at the output of the D A converter is Read by the C through Analog Port 4 The value read should be greater than 7Ah and less than 86h I e between 2 39V and 2 62V 97 JRS Failure During Self Diagnostics the software outputs
20. The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 6 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 7 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 8 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 9 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd
21. 3 mAs Hundreds 4 kV Unit 5 kV Tens 6 kV Hundreds The same data locations will be used for error code display also In such case the Code will be displayed in the kV field and mAs hundredth place while the error code is displayed in the remaining mAs field 1 5 Fluoroscopy Display amp Generator Interface PCB D509 This PCB consists of The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 11 of 13 Copyright SIEMENS LTD All rights reserved For internal use only Seven segment display for fluoroscopy kV and mA and cumulative fluoroscopy time values Mode selection for standby fluoroscopy radiography mode Controls for Collimator open and close Controls for image reversal both horizontally and vertically Control keys for Fluoroscopy mode and curve selection Control keys for the vertical movement of the motorised column 1 5 1 Interface with Master controller PCB The output of the display driver J40 on the D915 is available in the X40 connector The display is availabel in the below format 1 Fluoroscopic time seconds1 2 Fluoroscopic time seconds2 3 Fluoroscopic time Minute 4 mA decimal Unit 5 mA unit 6 kV Unit 7 kV Tens 8 kV Hundreds The other control switches are connected to the Master contro
22. All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 35 of 71 6 6 OSD Parameters settings Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 36 of 71 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 37 of 71 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 38 of 71 Copyright SIEMENS LTD All rights reserved For internal use only The information
23. D915 TP JRS During Exposure 2 0 V 0 1 V for 40mA D915 P6 D915 TP JRS During Standby 1 5 V 0 2 V IH During Preparation 2 8 V 0 3 V D915 P5 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 13 of 71 Signal Measuring Point Range Adjustment Exposure time mAs link by mAs meter During exposure For e g 60 kV 10mAs Time 238 262 msec Refer to the Exposure charts section for various combinations of kV amp mAs for units with 190 240V and units with 110V D915 P1 Cal D915 TP CAL point During switching on 1 25 1 4 kHz D915 P3 Reg D915 TP REG point During Service Mode 9 2 kHz 0 3 kHz D915 P4 2 6 3 Exposure Switch the generator ON Set exposure parameters of 60KV 10mAs Pull the recoilable exposure release switch and release an exposure The yellow LED on top panel lights up for a short duration equal to exposure time and an audible indication by a Buzzer from the control The LEDs on D915 light in the following sequence Exposure release switch First Press Preparation stage LEDV22 Exposure release switch second press Exposure stage Yellow LED V23 In case of error Red LED
24. For example If S1 for Memory M1 is pressed then signal A is generated and B C D signal is ORed for the Flip Flop 1 So we will get latched signal for M1 and reset signal for others Similarly M2 M3 M4 signals are latched Zoom Vertical Reversal and Horizontal Reversal signals are latched by using IC 4013 Output Q is applied at the Data pin Inverted out put of switch e g Zoom is applied at clock input So It holds the data and susequently we gets the latched signal These processed signals are fed to the CCU through the X90 cable 1 7 Switch Mode Power Supply 40 watts SMPS 1 amp 2 1 7 1 Specifications The Switch mode power supply SMPS1 is used to supply 5 Volts to the controller amp associated circuitry 15 V to the driver circuits on PCB D915 15V supply is also used for ADR circuit on PCB D508 The Switch mode power supply SMPS2 is used to supply circuitry on PCB D508 The following are the specifications of the supplies 5 V at 3 Amps with Tolerance of 3 15 V at 0 3 Amps with Tolerance of 10 15 V at 0 2 Amps with Tolerance of 5 This output is maintained for the following range of the input conditions 110 190 240V ac at 50 60 Hz 2 Hz and an input current of 0 7 Amp rms All out puts are protected for short circuit conditions and a sharp repetitive sound is heard from the SMPS in the event of short circuit The circuit behaves normally upon the removal of the short circuit 1 8 S M P S D982 of 120 watts
25. Version 2 0 Page 8 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 9 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 10 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 11 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 12 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in th
26. 1 15V X3 3 5V X3 2 DG amp AG on D508 X1 8 and X1 3 Through U8 SMPS D982 and across X4 6 X4 8 Through U8 SMPS D983 and across X4 7 X4 8 With CS contactor is energised NO contacts 14 13 close 240V AC routed through parallel combination of R1and R4 resistors NC contacts 21 22 of US contactor NC contacts 21 22 of LN contactor across pin 1 amp 2 of main bridge rectifier V1 charges capacitor bank and through NC contacts 31 32 of US parallel combination R3 R2 NO contacts 43 44 close 240V AC is applied across X9 1 and X9 3 of mains transformer T1 At the secondary of T1 the following voltages are applied to 0V X4 5 and X4 7on D506 20V X4 3 on D506 and across coil of contactor N2and N1 to X4 6 and X4 8 on D508 24V X4 4 on D506 210V X4 1 on D506 230V X4 2 on D506 After 8 secs of Switch ON the US contactor picks up NC contacts 21 22 to open disconnecting charging resistors R1 amp R4 NC contacts 31 32 open thus disconnecting discharge resistors R2 amp R3 NO contacts 43 44 and 13 14 close connecting mains voltage through NC contact 21 22 of LN V1 capacitor bank and across D61 and D61 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Description Siemens Ltd Med India Version 2 0 Page 4 of 5 Copyright SIEMENS LTD A
27. 1 7 EPROM 4 1 1 8 NVRAM 4 1 1 9 Keyboard 4 1 1 10 Display 4 1 1 11 Serial Communication 4 1 1 12 kVsoll and mAsoll 4 1 1 13 Line voltage monitoring 4 1 1 14 kV Feedback 5 1 1 15 IH Feedback 5 1 1 16 mA Feedback 5 1 1 17 kV Regulation
28. 18 C 12 R 24 R 23 1K R 25 2N 6107 V 19 1nF 2N 2222A V 21 560R C 11 C 20 N T C R 22 5 6K R 26 R 37 1K 2 7K 0 1 F V 20 100R X 20 1 X 11 2 R 35 3 2 100R 1 4 R 101 R 100 100R 100R 100R K 5 13 K 5 13 9 0 33 F C 13 V 22 11 m A m A m A S 5 6V R 29 R 28 100K 24V IN 4007 V 17 1 16 15V J6 D L _R EL 2 1 4N 35 4 5 K 5 0V L X 11 13 X 11 16 J8 8 X 11 1 X 20 11 X 2 3 K 4 K 4 X 4 7 X 4 6 R 30 0 1 F C14 2200 F 100K R 32 6 4 5 R 31 V 25 10K V 24 F5 R 38 4A 2 560R X 4 8 1 J7 4N 35 IN 4007 V 16 12V 15V K 4 5 4 16 1 1K 2 1 R21 4N 35 V H _R EL X 10 3 C O M J5 R 36 100K 100K V 26 R 30a 1K 1K X 2 5 X 8 4 X 8 6 X 8 5 X 2 4 X 11 15 X 10 8 JM P3 X 2 2 X 2 1 X 8 2 X 8 1 X 8 3 24v 15v X 8 2 X 8 3 X 2 2 O V L X 10 10 2 J13 4 15V 1 1K 4N 35 R47 K 7 5 IN 4007 V 31 24V 16 1 X 5 3 X 5 1 X 4 5 X 4 1 X 4 3 230V 24V C 13 9 JM P4 K 7 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the
29. 1990 EN 60601 2 7 1998 EN 60601 1 3 1994 EN 60601 1 2 2001 Compliance to AERB Type Approval Ceritification Compliance to BIS test certification 1 2 Information on Room Planning No specific conditions required Following are the recommended room conditions for proper functioning of the unit Ambient Temperature Room temperature 40 C Max Air Humidity up to 75 Non condensing During Transport and storage of the product the ambient temperature should not be below 15 C or rise above 45 C Storage is permissible in rooms with minimum amount of dust and Humidity in range of 30 to 95 RH provided no condensation occurs 1 3 Packaging The Multimobil 5C unit is delivered in two wooden boxes One box consists of the Monitor trolley This is a wooden box with the trolley mounted on the wooden base and is fixed using clamping brackets The second box contains the MM5C unit along with monitors and accessories The C arm unit is clamped using brackets on the wooden base The two monitors are packed in the corrugated box and placed on the wooden platform One box consists of standard accessories i e sterile cloth Clips and user manual Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions
30. CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 4 of 71 8 4 9 CodE 22 Maximum Preparation Time 68 8 5 PCB LAYOUT DRAWINGS 69 8 5 1 Master card D915 69 8 5 2 Filament interface PCB D506 70 8 5 3 ADR and Collimator control PCB D508 71 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 5 of 71 1 Safety 1 1 Safety Precautions Before opening closing the covers ensure that the mains is switched off and the plug is removed from the socket Ensure that the protective earth connections of the sub assemblies are proper
31. Inspection Sheet to check whether or not the system sensitivity has decreased compared with that at the time of installation If the sensitivity has decreased check whether or not there is dust on the CCD surface If there is dust on the CCD surface wipe off the dust with a soft cloth If there is not dust on the CCD surface the cause is due to the decrease of the II brightness Compensate for low brightness by widening the lens aperture However do not open the aperture wider than F 2 to prevent peripheral resolution from being decreased If an image noise is high during image rotation clean the slip ring surface with a cotton stick moistened with alcohol Be careful not to touch the brushes If not improved remove the DRIV ER BOARD PV B and slip ring PWB to clean the brush contact in the same manner Be careful not to catch the wire contact Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 42 of 71 7 Mechanical Checks and adjustments Service instructions will include periodic servicing or replacement of defective parts general trouble shooting and rectification of the Multimobil 5C Some parts such as brakes and bearings may require periodic adjustments fo
32. Multimobil 5C Med SERVICE MANUAL Version 2 0 Copyright SIEMENS LTD Med INDIA The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Multimobil 5C Service Manual Siemens Ltd Med India Mahadevan J Version 2 0 Released Page 1 of 2 Copyright SIEMENS LTD All rights reserved For internal use only Multimobil 5C Med Service Manual Version 2 0 Status Released Copyright SIEMENS LTD Med INDIA DMR 4 10 SPU Number 5605 Item Number 5422040 Version 001 002 003 004 Prepared by Reviewed by Released by Name Mahadevan J Dept GW Engg Signature Date 09 06 2004 Name H S Usgaonkar Dept GW Engg Signature Date 09 06 2004 Name V P Khandeparker Dept GW Q Signature Date 09 06 2004 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Multimobil 5C Service Manual Siemens Ltd Med India Mahadevan J Version 2 0 Released Page 2 of 2 Copyright SIEMENS LTD All rights reserved For internal use only 1 History 1 1 Alteration History Version Date Prepared by Dept CCI NO Change and Reason for change 01 11 07 2003 S K Kutty GW SP First Release 2 0 09 06 2004 Mahad
33. SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 4 of 10 Sr No Parameter Value reset and 5 minute buzzer indication 18 Thermal Protection Auto cutoff of fluoroscopy and radiography in case of tube head temperature exceeding 60 5 celcius 19 Power Input Continous Instantaneous 1 5kVA 3 5kVA 20 Mains Isolation External done by the user Power supply cord shall be plugged where both poles L amp N are isolated simaltaneously 21 Type and degree of protection against electric shock EN 60601 1 Class I Type B equipment 22 X ray Tube Stationary Anode DF 151R 23 Focal Spot nominal value 0 5 for Fluoroscopy 1 5 for radiography 24 Inherent tube Filtration 0 8 mm Al at 50kV 25 Nominal kV 110 kV 26 Target Angle 16 27 Collimator Motorised multileaf Iris Collimator 28 Total filtration 5 3 mm Al at 100kV 29 Exposure release Switch 2 Step 30 Exposure Rate for Radiography Pulse to pause ratio 1 30 corresponds to a cool down period of 4 minutes at maximum output 31 Max X ray coverage 430X430mm at SID 909 mm 32 Mode of Operation Continuous operation 33 Focus II distance 860mm for 9 system 900mm for 6 system 34 Max cassette size at 900 cm SID 10 X12 35 Grid Circular grid placed at the input of the I
34. While doing so keep a watch on the movement of the C arm as the bearing should not go too tight 4 Once the movement is smooth tighten the grub screws and lock the bearing pins Also check the balancing of the C arm after the bearing adjustment 5 Fit the cover complete back and fix the ornamental screw 7 1 2 2 Adjustment of Support Bearing For the adjustment of the supporting bearing following are the procedures 1 Remove the cover complete by removing the grub screws 2 Loosen the grub screws which hold the eccentric pins of these bearings so that the bearings can rotate 3 Now using a screwdriver rotate the pins in the clockwise anticlockwise as derired for adjustment See that the bearings come in contact with the C arm profile During adjustment of the bearings see that both bearings are maintained at same eccentricity Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 44 of 71 4 Once the bearings are adjusted tighten the grub screws and lock the bearing pins 5 Fit the cover complete back to in the place 7 1 3 V BELT The V Belt 5016957000 is used for the transfer of power from the motor pulley to the main pulley If the tension in th
35. brake shoes needs to be replaced 7 3 Trouble shooting and rectification Listed below are the general troubles encountered on site and their remedies Sr No Troubles Causes Remedies 1 Braking inefficiency Worn out brake liners 1 Adjust the brakes tighten 2 Check the liners if required replace them 2 C Arm movement not smooth Floating bearing mis aligned 1 Adjust the bearings 2 Check the bearings Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 46 of 71 Sr No Troubles Causes Remedies for noise and lubricate them 3 Wheels making noise Bearings are dry or Wheel surface worn out 1 Open the wheels and grease them 2 If the wheels are worn out replace them 4 Noisy up down movement V belt is loose or worn out Or Universal bearing requires greasing OR Noisy operation of motor 1 Tighten the belt or replace the belt depening upon the condition of the belt 2 Do proper oiling of the bearing 3 Isolate the motor and check for noise Change motor if required 5 C Arm brakes fail Tension rod broken Or Lever slipped from the brake shoe 1 Open the trag arm assembly and fit
36. in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 39 of 71 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 40 of 71 6 7 Pin assignment Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 41 of 71 6 7 1 Pin assignment amp interfacing details 6 8 Periodic Checks No special periodic checks are required It is recommended that the following checks be performed about once a year to maintain optimal performances 1 Check the Inspection Sheet supplied with the product to check whether or not the system resolution has decreased compared with that at the time of installation If the resolution has decreased compared with that at the time of installation re adjust the lens focussing 2 Check the
37. not affect all other system functions Unlocking Unlock the button only after the danger has been eliminated You can unlock the button by turning it gently anti clockwise 2 5 1 2 During operation Check for The radiation indicators for correct functioning All the audio visual indicators for correct functioning All the modes of operation proper functioning Proper positioning of the unit When moving the system remove any obstacles on the floor that may block the wheels Cable deflectors are provided The exposure indicator and audible signal during Radiography and during Fluoroscopy Switch the system OFF immediately if a live image appears on the monitor or the radiation indicator glows although the radiation release switch is not activated WARNING 2 5 2 Monthly checks Check the maneuvarilibility of the unit Check the round connector connecting Monitor Trolley and C arm Trolley Check function of all locking lever Check the legibility of the labels according to those in section Location of Labels If any labels require to be replaced please notify Siemens customer service 2 5 3 Performance Check Every Six months Check Counterbalancing of the C arm at each position Take a sample exposure at 60 kV 10 mAs Check for Radiation indication LED and the Audio indication in form of Buzzer Check the automatic dose regulation Copyright SIEMENS LTD All rights reserved For internal
38. obtaining the latest information Back Wiring Description Siemens Ltd Med India Version 2 0 Page 1 of 5 Copyright SIEMENS LTD All rights reserved For internal use only Multimobil 5C Med Wiring Description Version 2 0 Copyright SIEMENS LTD MED INDIA The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Description Siemens Ltd Med India Version 2 0 Page 2 of 5 Copyright SIEMENS LTD All rights reserved For internal use only INDEX 1 WIRING DESCRIPTION 3 1 1 MAINS DISTRIBUTION 3 1 1 1 For units with 230V Supply 3 1 1 2 For Units with 110V Supply 4 1 2 MOTOR OPERATION 5 1 3 FLUOROSCOPY RADIOGRAPHY MODE SELECTION 5 1 4 SWITCHING O
39. only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 63 of 71 8 4 4 CodE 14 kVist lt kVsoll Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 64 of 71 8 4 5 CodE 15 JR lt JRS Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 65 of 71 8 4 6 CodE 17 Exposure terminated by Backup Timer Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 66 of 71 8 4 7 CodE 18 Premature termination
40. ray radiation to the thickness and density of the irradiated object in an optimum manner Through the fast detection of dose rate an optimum picture Quality is obtained for a thick object with a minimum fluoroscopy time ADR is possible in two different mode of operation 1 Anti isowatt and 2 Contrast mode Fluoroscopy mode is selectable from the control panel By default Anti isowatt mode is selected When contrast mode is selected the mA for that particular is increased hence the contrast of the image when compared to anti isowatt mode Check for the same and put tick mark in the test report The detection circle of the ABC signal is 1 3rd the diameter size of the circle blanking with same centre as that of the image The pixel shades over the entire circle are averaged to generate a signal proportional to the brightness contrast level This ABC Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 25 of 71 signal varies from 8V corresponding to total darkness and 8 0 V DC to bright image This signal is sent to PCB D508 which generates a proportional signal to be applied as the Automatic Dose Regulation ADR signal to the analog port of microcontroller in P
41. reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 15 of 71 1 Short the live and neutral terminal at mains cable end 2 Select the range of megger 500V DC 3 Connect the probes of megger between earth and shorted live and neutral terminal 4 Switch ON the megger and note down the value of insulation resitance when the value reading stabilises 5 The value should be greater than 10M c Check the parts subject to wear and tear 2 8 Parts Subject to Wear 1 Overlay 2 Power cord Power Plug 3 Exposure cord 4 Brake linings 5 X ray tube 6 Image intensifier 7 Wheels 8 Stickers and symbols 9 Bearings Rollers etc 10 Sprockets 11 Handles and knobs 12 False covers 13 Threaded spindle and Threaded Bush 2 9 Checks prior to switch on after prolonged shelf life The following sequence to be followed when the unit is switched on after 6 months of shelf life 2 9 1 1 Forming of capacitors If the unit is being installed after six months from the date of despatch the capacitors needs forming 1 Switch ON the unit 2 The display will be as shown Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be
42. regulation during standby and boosting states and Tube Current mA regulation in case of exposure state For this purpose one 0 1 resistor is introduced in series with the filament This gives current to voltage conversion 1 3 7 Tube Current Feedback Similar to Filament current feedback the tube current feedback is taken from the Single Tank is available at X2 4 X2 5 The combination of 100R resistances in parallel give the tube current ratio of 1 V 20 mA 1 4 Radiography Display amp Memory Interface PCB D507 This PCB consists of ON OFF switch Parameter slection keys kV amp mAs Service mode selection key Seven segment display for Radiograhy kV and mAs values Controls for memory selection for storage or retrieval of stored image and also transfer of the LIVE LIH image to a corresponding memory location Control for the zoom in zoom out of the image Control keys for Live image rotation in clockwise and counter clockwise directions Control keys for the vertical movement of the motorised column The control signals generated in this PCB by activation of the relevant keys are send to the CCU Master card D915 through the connecting cables The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 1
43. signal input when the fuction is in EXT mode The function ON Ext is selectable internally Shading correction SAWtooth and PARAbolic for both H and V Correctable more than 0 2V under 0 45 and normal gain Circle blanking Diameter is adjustable from 90 of useful image screen height to useful image screen width 133 of useful image screen height Noise reduction NR Recursive filter with motion detection for reduction of X ray quantum noise K constant Any one of 4 preset constants with independent motion detection levelcan be selected by external control The factory preset constants are 2 4 8 amp 16 with motion dection level of Medium respectively In case no external selection is input the other internally preset constant works The factory preset constant for this is 3 with motion detection levels of Medium also These constants can be changed internally to the desired values chosen from 1 1 5 2 3 4 8 10 12 14 16 24 and 32 with motion detection level selected from 4 steps respectively Motion detection level Low Medium High and No motion dection Image reversal Horizontal and vertical Internal switch or external control Image freeze LIH Continuous playback of the video signal in frame memory when freeze signal input is set to ON until freeze signal is OFF Then outputs freeze image external control LIH function Copyright SIEMENS LTD All rights reserved For internal use only The i
44. the new tension rod 2 Open the trag arm and fix the lever to the brake shoe In case of any problems follow the below mentioned procedure Check whether it is an electrical problem or a mechanical problem The electrical problems can be such as loose contacts removal of wire from the limit switch or contactor etc If it is a mechanical problem it could be any one of the above mentioned In such case trace the problem in the following way NOTE The solutions are listed out in steps for rectifing up down movement of the column One must follow the procedure and stop at the particular point where he gets the solution or remedy 1 First of all lift the unit up and place some wooden blocks below the rear wheels so that there is sufficient access to work from under side 2 Check whether the V Belt is in good condition and is not broken 3 Try to rotate the main pulley manually and see whether it is free and not getting stuck Power on the motor and give a few jerks Now try to move the column up and down See whether you can get a smooth movement If the movement is fine you can stop at this stage The cause of problem could have been some fine rust or dirt particles which might have got stuck in the spindle threads Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacte
45. 0 of 13 Copyright SIEMENS LTD All rights reserved For internal use only 1 4 1 Key Interface No Identification Description Interface with 1 Unit OFF D915 2 Unit On D915 3 kV kV increment D915 4 kV kV decrement D915 5 mAs mAs increment D915 6 mAs mAs decrement D915 7 DL_Serv Service mode select D915 8 Memory select M1 to M4 Memeory location selection CCU 9 Memory transfer ley Transfer of image to Memory CCU 10 Up and Down key Movement of motorised column D508 1 4 2 Interface with Master controller PCB The keyboard switches are connected to the Master controller PCB Card through FRC connector The switch action will be conveyed to the Master Card by a switching Voltage signal In normal condition when no key is pressed all the key lines will be maintained at LOW This in turn should be reflected at the port of microcontroller as all high Whenever a key is depressed it will be connected to the dc line and the corresponding line on the port port of microcontroller goes low Thus the cooresponding data code appears on the Data bus of the Microcontroller which will be then read by the microcontroller through the software routine 1 4 3 Display Connections The display consisting of 7 segment Display The output of the display driver J24 of D915 is available in the X 50 connector The output of the display driver is available in the below format 1 mAs Unit 2 mAs tens
46. 08 V11 5V for collimator Preparation Mode D915 V22 Preparation ON Exposure Mode D915 V23 Exposure ON Error D915 V24 Error Indication Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 22 of 71 5 2 Checking the Control Voltages When the unit is ON relays K1 and K2 on D506 is ON SMPS placed in the Inverter module gets supply Measure the voltages DC at X15 connector of D915 PCB Pin no Signal name Input output w r t D915 Max permissible voltage current 1 Dgnd Input 0 V 2 NC NC 3 Dgnd Input 0 V 4 DC supply Input 5 V 5 DC supply Input 15 V 6 Agnd Input 0 V 7 DC supply Input 15 V nc No Connection 5 2 1 Checking the Line voltage display Depending on the input Line voltage 7 segment display on Radiography and memory interface D507 PCB will display line voltage when exposure release switch is pressed half way in the radiography mode The voltage is displayed and if it is not within 2 tolerance then change the pot P1 on the D506 PCB After switching on the unit line voltage is monitored after 7 sec And thereafter at every 5 sec it is polled and displayed in preperation mode with alterna
47. 1 13 Line voltage monitoring The actual mains Line voltage stepped down amp converted to DC and through differential amplifier it is fed to V Bat input point of ADC This DC voltage is monitored every 5 second and line voltage is displayed during first step of hand release switch for radiography If the measured Line voltage is less than 200 volts microcontroller sends one signal to switch ON the LN contactor which will support extra voltage through auto transformer for 2 5 KW power generation This switching ON OFF of LN contactor is done every 5 sec In preperation and exposure mode contactor retains its position After 5 second of each termination of radiography Line voltage is monitored once again The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 5 of 13 Copyright SIEMENS LTD All rights reserved For internal use only 1 1 14 kV Feedback The actual kVp across the tube is stepped down and fed back to the Master card D915 at pins 1 of X8 as PKV with respect to the common terminal at pin 3 PKV is passed through the voltage follower J5 and then fed to the Differential Amplifier formed by J5 to produce kVist used for kV regulation kVist ratio is 1V 20 kV As no differential configuration is used NKV part is ignored by grounding i
48. 1 22 to open disconnecting charging resistors R1 amp R4 NC contacts 31 32 open thus disconnecting discharge resistors R2 amp R3 NO contacts 43 44 and 13 14 close connecting mains voltage through NC contact 21 22 of LN V1 capacitor bank and across D61 and D61 1 2Motor Operation N1 and N2 contactors are energised through secondary of the mains transformer T1 the mains voltage is now made available to the column lifting induction motor Up movement When up movement S1 S11 switch on D507 D509 is selected K1 relay on D508 drives the N1contactor causing 13 14 NO contacts to close and 21 22 NC contacts to open For upward movement 240V AC is applied through 13 14 contacts of N1 21 22 NC contacts of N2 fuse U4 motor winding U5 fuse to mains neutral Down movement When down movement S2 S10 switch on D507 D509 is selected K2 relay on D508 drives the N2contactor causing 13 14 NO contacts to close and 21 22 NC contacts to open For downward movement 240V AC is applied through 13 14 contacts of N2 21 22 NC contacts of N1 fuse U4 motor winding U5 fuse to mains neutral The upward downward movement is limited by UP limit NC DN limit NC through X4 1 X4 2 X4 3 X4 4 on D508 1 3Fluoroscopy Radiography mode selection When fluoroscopy mode is selected on D509 15v from D983 SMPS is applied through X4 7 X4 8 on D506 K4 relay X2 3 X2 4 on D506 NC contacts 31 32 of DL contactor to small focus 12 on D502 When a exposu
49. 2 230V 24V 12V 20V 230V K2 ZB HK Disp1 2 mAist U1 U2 Mains Input Filament Interface PCB D506 L N SMPS D985 LN GA Foot Switch X80 Collimator Control PCB D508 Collimator Control IRIS Collimator X2 TEMP Sensor D502 CCU AND II X12 N1 L2 N2 SMPS D982 Rad Display amp Memory Fluoro Display amp Interface PCB D507 Generator interface PCB D509 X12 X50 X50 Rad display X80 X70 X70 X40 X40 Temp sens Up Down control Contrast Mode selection The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 6 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 7 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India
50. 7Fh to the D A converter A The 2 5V at the output of the D A converter is Read by the C through Analog Port 3 The value read should be greater than 7Ah and less than 86h I e between 2 39V and 2 62V 99 Last Reset by watchdog Timer The built in Watchdog timer WDT is reset by the software every 25 msec If due to some failure the software doesn t reset the WDT the WDT in turn will reset the C after 65 msec Standby Error CodEs 02 15V Supply Error The 15V supply from SMPS is polled by the C through Analog port 0 The 15V supply should be between 12V to 18V 03 Iheiz lt Istby The Filament Standby current is 1 5A Iheiz read by the C through Analog port 2 should be greater than 1 25A i e 1 25V Iheiz ratio 1V 1A 04 Iheiz gt Istby The maximum value of Standby current permitted is 1 8 A 05 kVist lt gt 0 kVist is read by the C through Analog port 7 During Standby the value of kVist read should be Zero kVist ratio 1 V 20kV 06 JR lt gt 0 JR is read by the C through Analog port 1 During Standby the value of JR read should be Zero JR ratio 1 V 20mA 33 Main Inverter Short Circuit In standby mode if the Main Inverter Driver Cable is disconnected this error gets activated Exposure Error CodEs 11 Main Inverter Short Circuit This error is displayed when the drivers of the Main Inverter detect short circuit 12 kVist gt kVmax The PkV is monitored for Max 115kV I
51. Back Circuit Description Siemens Ltd Med India Version 2 0 Page 3 of 13 Copyright SIEMENS LTD All rights reserved For internal use only 1 Circuit Description 1 1 Master card D915 1 1 1 Power Supply The 15 0V 15V and 5V 0V voltages are obtained from the SMPS1 through the Connector X15 The reference voltage for the Microcontroller J31 is 5V and it is generated by R119 C85 and J30 1 1 2 RESET Generation The RST signal is generated by IC J40 MAX700 power supply monitor with reset at power ON The switch SW2 also allows for manual reset of the system On actuating SW2 ON reset is generated by J40 which is applied to RST of J31 1 1 3 Crystal Operation The 12 MHz Quartz crystal forms a Pierce Oscillator along with the two capacitors C93 and C95 The output of the oscillator is a 12MHz sinusoidal wave which is applied to XTAL1 and XTAL2 inputs of J31 for providing timings for internal operations of the microcontroller 1 1 4 Microcontroller The micro controller J31 outputs demultiplexed lower order address bus and the data bus on port P0 and higher order address bus on port P2 The control signal RD WR along with A8 A15 are provided to J28 GAL to generate the chip select signals for accessing various peripherals The status signal PSENis used for reading external program stored in EPROM J32 The EA LOW allows accessing the external program memory Different signals for controlling variou
52. CAL frequency is 0 Hz when error 03 is displayed and to Get CAL during Error 03 display press DL_SERV key This is done to overcome the problem of filament fusing off because even though open path in the filament circuit and filament is fired continuously for higher value During this error code 03 to analyse the fault and get CAL press DL_SERV key 1 1 22 Main Inverter Short Circuit Feedback SCM During normal operation the transistor V39 is ON and simultaneously the optocoupler is also ON An active LOW error signal at X20 16 turns V39 and consequently J34 OFF The J34 output becomes LOW to give the HIGH SCM Main Inverter short circuit signal SCM is inverted by J22 and then it is fed back to the micro controller J31 for taking the corrective action The three signals SCM KVM and JIM are used for disabling the Driving pulses of the Main Inverter This is done by ORing of these three signals by J14 At the occurrence of either of these three signals RST goes LOW and its output is disabled The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 7 of 13 Copyright SIEMENS LTD All rights reserved For internal use only 1 1 23 kVmax mAmax Feedback 1 1 23 1 KVM maximum kV If the KVP value exceeds the reference value for 115kV at J12 Comp
53. CB D915 The circuit on the PCB D508 consists of level shifter followed by unity gain buffer in inverting mode using TLO82 The output of this circuit is a signal proportional to the darkness brightness level The magnitude varies from 0 to 5V DC To Adjust the PCB the following potentiometers are to be tuned Remove all cable connections coming to the PCB D 508 Remove IC J15 TL 082 which is mounted on the socket Connect a multimeter between test point ABC and J15 socket pin 2 Adjust resistance 126K using VR5 Resistance between test point 0VA and J15 socket pin 6 Adjust resistance 48 33K using VR2 Resistance between test point J15 socket pin 6 and pin7 Adjust resistance 49 65 K using VR1 5 4 1 ADR Stop Mode Manual In ADR Stop Mode adjustment of kV and mA is possible Manually In cases where small adjustments of contrast is required to view the finer details of the image the kV and mA values can be adjusted by pressing the ADR stop switch When a metallic object comes in the X ray path e g a marker or when the deviation in object density is large e g Repositioning a fracture it may be required to fix the kV Values earlier regulated in the automatic mode Selection of Contrast mode is not possible in the ADR stop mode 5 5 Replacing the single tank To replace the single tank remove it from the C arm as follows Bring the C arm in the horizontal position such that the axis of the x ray tube and II are in the horizon
54. CCU Mains Cable 3 x 1 5 mm sq Interconnections D915 X20 to D506X20 20p FRC D915 X10 to D506 X10 26p FRC D915 X11 to D506 X11 16p FRC D915 X12 to D507 X12 14p FRC D915 X50 to D507 X50 20p FRC D915 X8 to D506 X8 10p Bonded D915 X15 to D981 X7 Bunch D915 X40 to D509 X40 34p FRC D507 X70 to D509 X70 20p FRC D507 X80 to D508 X80 40p FRC D508 X2 to Collimator X2 15p D type D506 X6 to D6 X6 D type soldered connections D506 X27 to S27 3 Core cable D508 X90 to CCU X 18 20p FRC D508 X3 to wire bunch Bunch D508 X4 to up dn Motor Control Bunch D506 X1 to T1 input Bunch D506 X4 Pin 1 to 5 to T1 output D506 X4 pin6 amp 8 to D982 24V amp 0V pin 7 amp 8 to D983 15 V amp 0v Bunch D506 X2 to Single Tank Bunch Close the top panel and front cover 1 3 3 Collimator Switch the unit ON It will be going to stand by mode Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions Siemens Ltd Med India Version 2 0 Page 8 of 9 Check the opening and Closing of Iris Collimator In Fluoroscopy the maximum opening of the Iris will be limited to the maximum diameter of the Image Intensifier 6 or 9 as the case may be In case of Radiography the Ir
55. D is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 1 of 19 Multimobil 5C Med Circuit Diagrams Version 2 0 Copyright SIEMENS LTD Med INDIA The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 2 of 19 INDEX 1 CIRCUIT DIAGRAMS 3 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 3 of 19 1 Circuit Diagrams The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 4 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obta
56. D7 are the address and the data lines provided to the RAM The first 2 Kbytes of entire memory space 0000H to 07FFH is used as RAM 1 1 9 Keyboard The keys are accepted through X12 from D503 The keys kV kV mAS mAS ON OFF are accepted on the data bus through J38 and J37 at the address 9000H 1 1 10 Display The data bus the control signal WR and the chip select signal CS2 are provided to the Display Driver J24 on D932 through X1 Writing the control word and the string of 8 byte data at the addresses 8000H and 8800H respectively displays the kV and mAS values and lights up function related LEDs on D915 1 1 11 Serial Communication TxD RxD are provided to the serial communication port of D915 Various activities of the unit can be controlled by an external device such as a PC The serial port is meant for testing and service purposes 1 1 12 kVsoll and mAsoll The kVsoll and mAsoll values are generated by Dual Digital to Analog Converter J17 and the Opamp J13 acting as I V converter The microcontroiler J31 outputs the digital values of kVsoll and mAsoll on the data bus at address A000H CS3 and A100H CS4 respectively The reference current for DAC is adjusted by means of presets P6 and P7 The kVsoll and mAsoll are fed back to the AN3 and AN4 pins of J31 for ensuring their proper values These soll values are also used for regulation of kV and mA The kV soll ratio is 1 V 30 kV and the mAsoll ratio is 1 V 20 mA 1
57. FF THE UNIT 5 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Description Siemens Ltd Med India Version 2 0 Page 3 of 5 Copyright SIEMENS LTD All rights reserved For internal use only 1 Wiring Description 1 1Mains Distribution 1 1 1 For units with 230V Supply When the MCB is switched ON Line and Neutral is routed through line filter U1 U2 fuses and mains voltage of 240V appears across X1 1 and X1 2 on D506 On D506 this mains voltage of 240V AC is then stepped down to 15 V AC rectified and regulated to 12 VDC which is used to energize ON OFF relay coils K1 amp K2 The unit is switched on by depressing the switch on top panel the circuit for the relay coil K2 is energised and K2 contact 6 8 closes When K2 5 7 closes the mains voltage is available at the following points X1 5 and X1 2 CS contactor coil X1 7 and X1 2 CCU X1 9 and X1 2 through K3 relay NO contact 4 8 to US contactor coil X1 10 and X1 2 through K5 relay NO contact 4 8 to DL contactor coil LN and X1 2 through K6relay NO contact 4 8 to LN contactor coil X1 6 and X1 4 Through U7 SMPS 1 X15 on D915 X3 10 15V X3 9 AG X3 8 15V on D508 Through U7 SMPS 2 X3
58. He should also ascertain that all displays and indicators are functioning as described The radiation indication lamp should light only when the exposure is released In case the lamp lights in any other condition the unit should be immediately switched off and SIEMENS SERVICE DEPARTMENT should be informed Any change or replacement in the unit must be carried out by the manufacturer or a person authorised by manufacturer ONLY The record of such work must be maintained clearly at the site Before opening closing the covers ensure that the mains is switched off and the plug is removed from the socket Ensure that the protective earth connections of the sub assemblies are properly connected WARNING 1 2 2 Safety Checks 1 2 2 1 Before operation Brakes and locks All C Arm movement in braked and unbraked condition Open the Front Cover and check for any loose connection or transport damage Check for Mains supply as specified in Technical specification and ensure that the voltage difference between Earth and Neutral should not be more than 5 Volts 1 2 2 2 During Operation Follow the Operating Instructions provided with the Unit Vertical movement of C Arm The radiation indication lamp should only glow when fluoroscopy or radiography is performed Proper positioning of the unit refer to the operating instructions for positioning of the unit While shifting a patient on the operating table take care that the wheels of the unit are lo
59. I tube 40 Ip cm 8 1 36 Image Intensifier 9 6 37 Image Intensifier tube resolution Nominal 52lp cm and zoom 68 Ip cm for 9 system Nominal 66 lp cm and zoom 77 Ip cm 38 Nominal entrance field 230mm for 9 system Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 5 of 10 Sr No Parameter Value 150mm for 6 system 39 II output image size diameter 25 0 5mm for 9 system 20 0 5mm for 6 system 40 Zoom field size 230mm 160mm for 9 system 150 mm 100 mm for 6 system 41 TV camera Input Voltage AC100 220V 10 42 Pick Up device Pick UP area CCD 6 4X4 8mm 43 Effective Pixels 752 H X582 V CCIR 768 H X494 V EIA 44 TV System 625lines 50Hz CCIR 525lines 60Hz EIA 45 No of monitors 2 monitors one each for Live Last Image Hold LIH and stored memory display 46 Monitor size 17 monochrome with 9 system and 15 monochrome with 6 system 47 Monitor screen High brightness high resolution with independent brightness and contrast control 48 TV standard CCIR 625 lines at 50 Hz 49 Aspect ratio 4 3 50 Image rotation Endless clockwise and an
60. KSUM FAILURE 8 2 2 CodE 96 KV SOLL FAILURE 8 2 3 CodE 97 mA FAILURE 8 2 4 CodE 99 LAST RESET BY WATCH DOG TIMER START CONFIRM 230V SUPPLY SWITCH ON THE UNIT IS ERROR CONTINUES REPLACE D915 PCB STOP No YES IS X15 CONNECTOR SUPPLY OK REPLACE SMPS1 NO Yes Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 53 of 71 8 3 Standby Error codes 8 3 1 CodE 02 15 V Supply Error START REMOVE CONNECOR X15 ON D915 amp SWITCH ON THE UNIT MEASURE 15 V ON X15 CONNECTOR IS 15V THERE YES REPLACE D915 PCB NO REPLACE SMPS1 STOP Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 54 of 71 8 3 2 CodE 03 amp 04 Iheiz lt Istby amp Iheiz gt Istby Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Bef
61. LD badges or pen dosimeter WARNING Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 6 of 71 1 4 Measuring with oscilloscope For normal working the protective earthing of mains must not be removed In case system noise is getting coupled to the scope use the scope in differential mode To measure high voltage use DIFFERENTIAL probe isolated from ground 1 5 Handling precautions 1 Strictly observe ESD precautions while handling PCBs and ESD sensitive devices 2 After the unit is switched on the capacitors charge to 300VDC Approx After switching the unit OFF it takes about 4 minutes for capacitors to discharge The presence of DC voltage is indicated by Green LED on D61 3 Lead is used for radiation protection inside the single tank The collimator flaps are made of lead Lead rings are used on the Image intensifier for counter balancing Lead is used inside the C arm profile for counter balancing Hence special precautions should be observed during handling these parts to avoid lead poisoning and contamination 4 If the Temperature of the single tank exceeds 60 C then the Temperature Sensor switch operates and D915 blocks the firin
62. Ltd Med India Version 2 0 Page 27 of 71 6 CCU AND CAMERA CONTROL 6 1 INTRODUCTION The TV camera has the following features A recursive filter circuit reduces X ray quantum noise and a motion detection function provides sharp images of quick moving objects while reducing noise Horizontal vertical image reversal functions The LIH Last Image Hold function of image freeze In addition to the image freeze function the TV camera is provided with 8 frame memory This function permits a memory image and a live image to be switched for display on TV monitor The playback image from one of the four frame memories can be output to a dedicated output terminal for continuous observation on another monitor These images can be compared against live images freeze images and playback images Image rotation function is incorporated using the slip ring mechanism in which motor rotates the interior part of camera head ABC Automatic Brightness Control signal is generated in camera to control the output X ray The camera system comprises of 1 Camera Head including lens 2 Camera Control Unit CCU 6 2 RATINGS TV SYSTEM CCIR 15 625kHz H 50 Hz V 625lines 25frames CCD inch format interline transfer Effective number of pixels CCIR 752 H x 582 V Sync method Internal sync Aspect ratio 4 3 Video output VS 1 0 V 75 Ohm BNC connection 2 routes Copyright SIEMENS LTD All rights reserved For internal u
63. Med India Version 2 0 Page 10 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 11 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 12 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 13 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 14 of 17 Copyright SIEMENS LTD All rights reserved For internal use only WIRING DIAGRAM 1 2 The information in this CD is not a controlled document and to be used on
64. Siemens Ltd Med India Version 2 0 Page 7 of 10 MM5C with monitors and accessories Monitor trolley for MM5C 1 4 Unloading The unloading of the unit from the truck can be carried out using any of the following ways depending on the site conditions 1 Using a forklift 2 Using an overhead travelling crane 3 Using a chain pulley block and tripod Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 8 of 10 4 Using conventional ways i e Using wedges wooden planks pipes or rods and labour etc Note 1 All boxes are provided with transport base 2 Do not roll the boxes 3 Do not drop the boxes from a height of more than 20cms 4 Observe the stickers This side up and handle with care on the Packing for proper handling Once the unit is removed from the transport place it on the ground on the base 1 5 Unpacking the MM5C The complete system must be inspected for physical damage and or material short fall and factory must be informed accordingly The Multimobil 5C consists of fragile components like camera Image intensifier X ray Tube etc Sufficient care must be taken while unloading Unpacking the unit Refer the unpack
65. The preset P2 is used for adjusting the offset at the output The output frequency is selected by J8 only when the kVist reaches 90 of its final value The output of J8 is fed to J31 as timer 0 clock The timer 0 inside J31 is configured as timer counter which is preloaded with a count equivalent to mAs value The incoming clock decrements the counter and on reaching 0 generates an interrupt to terminate the exposure 1 1 20 Control of the Firing Pulse frequencies REG and CAL REG is controlled by the signals INH2 and INH3 and it is enabled only when INH2 0 and INH3 1 CAL is enabled only when INH1 0 1 1 21 Generation of actual Firing Signals 1 1 21 1 Main Inverter Firing Frequency The pulse duration of the actual firing signals of the Main Inverter is decided by the Monoshot Multivibrator J21 IC 4538 Dual Monoshot Multivibrator and R104 C66 and R105 C67 The RST pin of J21 is normally high for its proper operation The outputs of J21 at pins 6 and 10 are out of phase These signals are optically Isolated by J39 and J41 and fed to the Main Inverter Driver D6 through X20 14 and X20 18 1 1 21 2 Filament Regulator Firing Frequency J18 is used to determine the pulse width of the actual firing signals of the Filament Regulator The IC J20 ensures that the firing pulses to the Filament regulator are out of phase These signals are inverted by J22 and fed to the Filament regulator firing circuit on D915 through X11 13 and X11 16
66. Through U8 SMPS D982 and across X4 6 X4 8 Through U8 SMPS D983 and across X4 7 X4 8 With CS contactor energised NO contacts 14 13 close 240V AC routed through parallel combination of R1and R4 resistors NC contacts 21 22 of US contactor NC contacts 21 22 of LN contactor across pin 1 amp 2 of main bridge rectifier V1 charges capacitor bank and through NC contacts 31 32 of US parallel combination R3 R2 At the secondary of the mains transformer T1 NO contacts 33 34 close 0V to X4 5 and X4 7on D506 NO contacts 43 44 close 24V to X4 3 on D506 and across coil of contactor N2and N1 to X4 6 and X4 8 on D508 NO contacts 53 54 close 29V to X4 4 on D506 NO contacts 63 64 close applies 230V to X4 1 on D506 The line voltage is monitored by the microcontroller if it falls below 100V AC the LN contactor picks up through the K6 relay on D506 And opening the NC contact 21 22 Causing NO contact 13 14 to close and routing 0 250V AC from primary winding of mains transformer T1 to V1 capacitor bank and across D61 and D61 After 8 secs of Switch ON the US contactor picks up The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Description Siemens Ltd Med India Version 2 0 Page 5 of 5 Copyright SIEMENS LTD All rights reserved For internal use only NC contacts 2
67. V24 on D915 lights and error code corresponding to the error is displayed 2 6 4 Timing Set any exposure parameter as per the exposure chart Take an exposure and note down the kV and mA wave form in the oscilloscope Check for the timing of exposure It should be within 5 of the value defined in the exposure chart 2 6 5 kVp Measurement The kVp measurement can be carried out either by kVp meter or by electrical measurement 2 6 5 1 kVp meter Switch the unit ON Place the kV sensor over the single tank and connect the cable to the meter Set the kVp meter at 12pulse and 55 85kV range Set exposure parameters as 60kV 20mAs Release an exposure The readings should be within 5 of the selected value Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 14 of 71 Repeat with meter setting 77 150kV and exposure parameter setting as 90kV 20mAs 2 6 5 2 Electrical Connect oscilloscope at D915 TP kV Set the exposure parameters as 60kV 2 5mAs Release an exposure The recorded waveform should be within 5 of the set value 1V 20 kV Repeat with 90kV 1 6mAs 2 6 6 mA mAs Measurement mAs measurement could be carried out either by mAs
68. a distance bush Loosen the four grub screws of the distance bush and rotate for tightening the distance bush Check the movement under braked and unbraked condition Once the brake is set i e Maximum tight or locked position fix the grub screws back Fix the handle and dowel it Fit the cap 7 1 1 4 Adjustment for the angulation C Arm movement brake 1 Remove the cap complete by pushing the buffer washer back and removing the socket HD screws M4 X 35 3nos 2 Keep the tubes and hardware carefully 3 Remove the dowel pin using a flat punch 4 Loosen the grub screw 5 Now just keep on tightening the handle until desired tightness setting is achieved If required add few more spring disc or spring washers 6 Once the brakes are set dowel the brakes and put back the cap complete 7 1 2 BEARINGS Following bearings will need periodic adjustments 1 Floating bearings and delring needle roller cage fitted on the trag arm 2 Roller complete and 635ZZ bearing fitted on the trag arm holder 7 1 2 1 Adjusting Floating Bearing For the adjustment of the floating bearing following are the procedures 1 Remove the cover complete by removing the ornamental screws 2 Loosen the grub screws after removing the PVC caps which holds the pins of these bearings so that the bearings can float 3 Now using an allen key rotate the eccentric pins of the floating bearings in the clockwise anticlockwise direction as desired for adjustment
69. ainst lead poisoning avoid direct contact with lead 1 7 3 Transformer Oil Oil in X ray tube assembly approx 10 5 Ltr 1 7 4 Plastics Epoxy resin on PC boards PVC of cables approx 5 kg 1 7 5 Electrolytic Capacitors These capacitors must be discharged Please inform the Siemens Customer Service Electrolytic Capacitors approx 5 5 kg Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 9 of 71 2 Servicing 2 1 Tools and measuring instruments required Usual service tools Digital multimeter 2 channel storage oscilloscope mAs meter Megger Radiation detector Mechanical tool kit containing set of spanners screwdrivers Allen keys etc During Oscilloscope operation the protective ground wire connection in the power cable must not be interrupted under any circumstances WARNING 2 2 Replacing damaged or missing screws Damaged or missing screws should only be replaced with screws having similar parameters as that of the original An ornamental screw should be replaced with an ornamental screw only for retaining the aesthetic value where as a nickel plated screw bolt should be replaced with a nickel plated screw bolt with
70. any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 59 of 71 8 3 5 CodE 33 Main Inverter Short Circuit Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 60 of 71 8 4 EXPOSURE ERROR CODES 8 4 1 CodE 11 Main Inverter Short Circuit Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 61 of 71 8 4 2 CodE 12 kVist gt kVmax Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 62 of 71 8 4 3 CodE 13 Iheiz gt Imax OR JR gt Jrmax Copyright SIEMENS LTD All rights reserved For internal use
71. arator its output generates the KVM signal KVM is also fed back to J31 at P32 as Timer Zero Interrupt for initiating necessary corrective action like stopping the exposure instantaneously 1 1 23 2 JIM maximum mA An increase in Ih or JR than the reference values of 3 5A and 71 mA respectively generates JIM JIM is fed as T1 interrupt to J31 1 1 23 3 IH Maximum This error is similar to JIM This is monitored during preparation state and gives an interrupt if the filament current exceeds the maximum permissible current that is 3 6 Amperes 1 2 Inverter assembly D61 1 2 1 Igbt Inverter Assembly Igbt Inverter Assembly houses Igbt s configured as bridge inverter along with Inverter Pcb D61 consisting of associated firing circuit supply monitoring and short circuit sensing circuit 1 2 2 Firing With second step of exposure release switch pressed the microcontroller prepares for the exposure loading the kV and mA values required for the exposure into the DAC This control circuit residing on the Master Card D915 then generates the firing pulses for the inverter which are available at the connector X6 of the inverter PCB through interface PCB D506 On Inverter PCB D61 J1 along with resistors R13 R14 and capacitors C5 C6 form the pulse stretching circuit which stretch the Disp1 and Disp2 pulses to 64 Sec the resonating time of the LC load maintaining 180 phase shift These phase shifted pulses drive the Igbt drivers which in turn
72. cked properly 1 2 3 Overload Protection The unit is designed to work on 110 190 240V single phase 15A socket For safety purposes 16A HRC fuses are provided which will blow when a current exceeding 16A sustains for its response time Ensure that the mains socket is properly earthed WARNING Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions Siemens Ltd Med India Version 2 0 Page 5 of 9 In case of fault if the kV tries to build beyond the safe limit of X ray tube the protection circuit blocks the HT In case of fault if the Filament current tries to increase beyond the safe limit the protection circuit blocks filament boosting Maximum permissible resistance between the Earthing lead terminal in the control and on the HT transformer shall not exceed 0 1 ohms 1 2 4 Radiation Protection Do not put any part of your body in the direct line of radiation Collimate the X ray beam Keep maximum possible distance from the object being radiographed For this make the best use of 5 mt of recoilable exposure release switch In the room wear protective clothing lead Apron Monitor radiation received using the personal TLD badges or pen dosimeter WARNING 1 3 Preliminary Checks 1 3 1 Mec
73. cket HD screw M4x20 spring washer and plain washers 4 Make use of the connector provided on the monitor trolley for providing power supply to the monitors 5 Install the radiation indication lamp as explained below The Radiation Indication lamp assembly has been packed along with the monitor Unpack the monitors and remove the radiation indication lamp assembly Fix the monitor having clamps on it for cable routing on to the left side monitor tray using hardwares provided in the accessories box Peel off the protection layer of the double sided tape and fix the radiation indicating lamp on top of this monitor Route the cables through the clamps and Connect the male part of allied connector to the female part fixed on the monitor trolley Route the cable in between the monitors Radiation indication lamp assembly Double sided Tape Allied connector Radiation indication lamp Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions Siemens Ltd Med India Version 2 0 Page 1 of 9 Multimobil 5C Med Installation Instructions Version 2 0 Copyright SIEMENS LTD Med INDIA Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is n
74. contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 16 of 71 3 Observe the gradual build up of DC voltage acroos the capacitors in the invertor module 4 Switch off the unit afterthe capacitor voltage reaches 150V DC 5 Switch on the unit again 6 Keep it on till the capacitor voltage reaches 250V 7 Repeat the above procedure for 5 times 8 Switch on the unit and after 9 secs the US contactor picks up 9 The voltage across the capacitors shold be around 300 350V DC 2 9 1 2 Gattering of Image Intensifier Keep the unit on in standby mode for 30 minutes before generating x rays 2 10 Checks prior to transport Functional check of the brakes Lock the brake It should not be possible to move the Multimobil 5C with normal hand power A slight slip is acceptable when using greater force Should any fault be observed please notify Siemens customer service Note Annual Maintenance must be performed as per the guidelines described in the Maintenance section Notify Siemens Customer Service if you do not have a maintenance contract Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0
75. contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 3 of 71 5 3 2 Checking the Filament frequency 23 5 3 3 Filament current measurement 23 5 3 4 Checking of kV and mAs values 23 5 4 AUTOMATIC DOSAGE REGULATION 24 5 4 1 ADR Stop Mode Manual 25 5 5 REPLACING THE SINGLE TANK 25 5 5 1 Replacing the collimator 25 5 5 2 Aligning the X ray field to Image Intensifier 26 6 CCU AND CAMERA CONTROL 27 6 1 INTRODUCTION 27 6 2 RATINGS
76. d for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 47 of 71 4 If the pulley has got stuck completely and does not move freely then the tube assembly has to be dismantled This case only occurs when the limit switch fails and the unit goes to the maximum upper limit or to the minimum lower limit 5 In case the unit reaches the maximum upper limit the safety nut locks the spindle and stops any further movement hence preventing the machine from falling on to the patient In such case the complete tube and column assembly has to be dismantled and reassembled using new spindle if required i e if the threads are not damaged the same spindle can be used 6 In case the lower limit switch fails the column moves to the minimum lower limit the guide hits the bottom stopper upwards thrust is developed and the universal bearing comes out of the bearing holder pulling the pulley close to the base frame and the movement gets stuck Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 48 of 71 8 Appendix I 8 1 Specific Error Code Handling 8 1 1 Unit not turning ON Copyright SIEMENS LTD All right
77. deg possible in both CW and CCW by external control Approx 10 seconds required for 360 deg rotation Returns to the O deg position at power ON Pulse output HD and VD approximately 5 V negative polarity low Output Impedance 75ohms Image reversal function This function is performed by reading images from frame memory vertically and or horizontally in the opposite direction to that during recording LIH function When the LIH ON X ray OFF signal is input writing of the video signal into frame memory is halted and the signal in the memory is played back continuously until the LIH OFF X ray ON arrives to obtain static images It is possible to switch between frame read out and field read out When the LIH is OFF the memory image is updated and the LIH image is cleared Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 31 of 71 Frame storage function Frame memory in addition to memory for LIH is used for this function This function allows one frame of the video signal to be recorded at any timing and then to be played back continually to obtain a static image Unlike the LIH images in this memory can be accessed as many times as required images are out
78. e belt is not sufficient or if it is loose there will be loss of power due to slip resulting in noisy up down motion wobbling of the belt rubbing sound jerks etc which can cause inconvenience to the doctor during operation Hence the belt has to be maintained in a tight position 1 Lift the unit from the rear side and place some wooden support below the rear wheels so that there can be a access for tightening the belt 2 Now remove the front cover of the unit 3 Loosen the screws of the motor from bottom side of the trolley base 4 Pull the motor towards the backside so that the belt is under tension At this point tighten the screws of the motor 5 Place the unit back on the floor 7 1 4 CHAIN Rollon chain is used in the steering mechanism The chain is routed through the sprockets of two rear wheels two idler sprockets and the drive shaft The chain is in two halves and there are two adjustable nuts provided to adjust the tension in the chain When the chain is loose there is a tendency that the chain can slip off from the sprockets hence proper tension should be maintained in the chain For adjusting the tension in the chain following are the steps a Lift the unit up from the rear side and place a wooden platform below both the rear wheels b Locate the adjustable nuts in the chain c Loosen the check nut M5 used to lock the movement of the screws d Tighten the adjustable nut in the clockwise anticlockwise direction as re
79. ed to DC amp filtered using capacitor This DC voltage is further stepped down using resistor divider network amp potentiometer and given to differential amplifier for line voltage measurement through ADC on Master card D915 1 3 3 Power Supply Distribution The following connections are routed through the Interface PCB D506 1 X1 9 amp mains neutral 240 V ac for Contactor US Coil Connections 2 X1 4 amp X1 6 240 V ac for SMPS SMPS 1 amp 2 15V 5V input Supply 3 X1 5 amp X1 2 240 V ac for Main Transformer 4 LN on D506 amp mains neutral 240 V ac for Contactor LN Coil Connections 5 X1 8 amp mains neutral 240 V ac for SMPS D982 24V input supply The contactor US and LN coils are energised only when corresponding signal from the Master Card D915 is obtained This is achieved through optocouplers J1 and J9 respectively The contactor On signal from the Master Card D915 intern drives The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 9 of 13 Copyright SIEMENS LTD All rights reserved For internal use only optocoupler J1 J9 which in turn K3 K6 relay to connect the 240 V ac to the coil The VH relay is used to switch over between 24V and 15V supply for large and small focus respectively It is energised through J5 opoc
80. enabled through INH2 and J3 results in a firing frequency of Main Inverter Thyristors to result in actual kV in line with the required value 1 1 18 Filament Regulation Filament Regulation is divided into two parts 1 Regulation without high voltage The filament current Ih is regulated CPU J31 feeds the required filament current value to the input of DAC 2 The actual tube current JR is regulated J31 outputs the required tube current on the input of DAC Depending upon whether the regulation is pre H T or post H T either Ih or JR is selected through HEIZ signal from J31 P4 4 and used for regulation together with the corresponding value from the DAC The output of the error amplifier J10 is fed to PLL J2 which is configured as voltage to frequency converter The PLL J2 is enabled through INH1 signal from J31 P4 0 and generates a frequency in line with the output of error amplifier J10 to result in required filament current or the tube current The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 6 of 13 Copyright SIEMENS LTD All rights reserved For internal use only 1 1 19 mAs Integration The actual tube current is applied to the input of V F converter J1 The transfer ratio Frequency to Voltage of J1 is adjusted by preset P1
81. ency Turn the Unit OFF Open X10 connector on D915 Connect oscilloscope to D915 TP CAL Turn the unit ON unit displays Measure the CAL frequency at the CAL TP on D915 It should be within 1 2 to 1 4kHz If not tune P3 to set CAL within the above range Switch off the unit Connect back X10 connector 5 3 3 Filament current measurement Turn the Unit OFF Connect oscilloscope to D915 TP IH Turn the Unit ON After approx 3 seconds the Stand by filament current starts amp should be 1 5V 0 2V Select radiography mode Give half press in the exposure release switch to enter into preparation Observe the change in voltage level from 1 5 V 0 2V to Preheat value 2 8V 0 3 V Note Preheat value is parameter kV amp mAs specific Just observe the change in level on preheating step 5 3 4 Checking of kV and mAs values 5 3 4 1 Checking the high voltage kVsoll and kVist Connect oscilloscope to D915 TP KVS amp D915 TP KV Turn the unit ON Select radiography mode Set parameters of 60kV 10mAs Trigger an exposure Observe the voltage on C R O with the scale corresponding to 1V 20Kvist 1V 30Kvsoll The readings should be within 5 of the selected value Repeat the measurement with the following parameters 1 40kV 10mAs 2 81kV 16mAs Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering a
82. evan J GW Engg 6148 Upgrade w r to 110V and 60Hz requirements amp common manual for all versions of the product The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Multimobil 5C Siemens Ltd Med India Version 2 0 Pages 1 of 1 Copyright SIEMENS LTD All rights reserved For internal use only Main Index 1 Pre installation Service Manual 2 Installation Instructions 5422040 002 3 Service Instructions 4 Wiring Diagrams 5 Wiring Description 6 Circuit Description 7 Circuit Diagrams The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 1 of 10 Multimobil 5C Med Pre installation Version 2 0 Copyright SIEMENS LTD Med INDIA Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 2 of 10 INDEX 1 PRE INSTALLATION
83. f the actual value of kV is greater than this i e if the voltage cross 3 83V error is displayed 13 Iheiz gt Imax OR JR gt Jrmax Maximum value of Iheiz above which error will be displayed is 4 0 A 4 0V Maximum value of mAist is 71mA above which error is displayed 14 kVist lt kVsoll kVist is continuously polled during exposure The value of kVist should be greater than 85 of kVsoll 15 JR lt JRS JR is continuously polled during exposure The value of JR should be greater than 50 of JRS 17 Backup Timer This error is displayed if regular means of terminating exposure fails and the backup timer terminates exposure The backup timer value is set to 2 msec 100 18 Premature Exposure Termination Exposure Release Switch is released before the mAs Integrator terminate the exposure 21 Iheiz gt Iheiz max This error is displayed if Iheiz exceeds the Iheiz max value 22 Maximum Preparation Time This error is displayed if First step is pressed for more than 15 sec 51 kVist lt kVsoll Fluro Same as Code 14 This Error is displayed only during Fluoroscopy 52 JR lt JRS Fluro Same as Code 15 This Error is displayed only during Fluoroscopy Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Serv
84. for UP Down movement on D509 Switches S25 amp S26 and S27 amp S28 are connected in parallel The up down movement controls are generated in this PCB and the interface to the limit switches to limit the up and down extreme positions The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 12 of 13 Copyright SIEMENS LTD All rights reserved For internal use only The signal avilable from the camera as a ABC Automatic brightness control is feed to the input of the buffer amplifier constucted by using IC TLO82 The ABC signal varies from 8 V to 8 V this signal needs a voltage level conversion to be applied as a ADR Automatic Dose Regulation to the analogue port of microcontroller in PCB D915 The second stage is a summing amplifier used as a voltage level shifter by appling a constant negative voltage at the summing input This voltage can be adjusted by the potentiometer Ref Adjustment instuction in service instruction The output voltage is available as a ADR and varies as 0V to 5V DC which is proportional signal to the brightness signal from Camera The control signals from the D507 fed to this PCB through X80 are inverted and applied at the S input of Quad RS Flip Flop and reset signal for this is generated by a ORing other three signal
85. g pulses to the inverter This overload protection will automatically again switching ON after the temperature of single tank goes below the threshold level 60 C of the thermal switch which is indicated by the thermometer symbol on the top panel Cool down periods are recommended if used extensively WARNING 1 6 Mechanical Safety Due to the manoeuvrability of the system the collision probability of the image intensifier and the single tank with the patient or the table is greatly increased if adequate care is not taken While moving various parts of the unit with hand use of handgrips and handles is recommended The figure shows location where there is a danger of crushing for patient or user due to parts moving relative to each other Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 7 of 71 The system should be moved only manually by the handles provided for this purpose whenever exceptions must be made note the points of potential injury between the movable system parts and their guide openings The system areas marked in the drawings indicate points of crushing or impact hazards for the patient or the operator Points of injury for operator Point
86. generate the gate firing pulses for the Igbt s Resistors R1 R4 R7 R10 control the turn on speed of the Igbt s Resistors R2 R5 R8 R11 control the turn off speed of the Igbt s 1 2 3 Inverter U V is the primary winding of the HT trafo which is in series with external resonating capacitor C4 and external inductor L2 With Disp1 pulse the current path is completed through DC 3 1 of IG1 A3 U V C4 L2 A2 1 2 of IG2 DC After 64 Sec the gate pulse is turned off and the Igbt s are turned off The resonating capacitor C4 which is now charged to a voltage greater than the bank voltage discharges via the free wheeling diodes in anti parallel to the Igbt s With Disp2 pulse the current path is completed through DC 3 1 of IG2 A2 L2 C4 U V A3 1 2 of IG1 DC After 64 Sec the gate pulse is turned off and the Igbt s are turned off The resonating capacitor C4 which is again charged to a The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 8 of 13 Copyright SIEMENS LTD All rights reserved For internal use only voltage greater than the bank voltage discharges via the free wheeling diodes The firing pulses have a maximum frequency of 9 2 kHz 0 3kHz The presence of DC voltage is indicated by LED V1 on D61
87. hanical Check 1 3 1 1 Unit Movements Force required to push pull the unit on a horizontal surface should not exceed 5 kgf Force required to push pull the unit on a 10 slope should not exceed 30 kgf 1 3 1 2 Orbital Movement 125 2 counterbalanced in all positions Force required should not exceed 6 kgf at the handles provided in a direction tangential to the C arm 1 3 1 3 Angulation Movement 190 3 counterbalanced in all positions Force required should not exceed 6 kgf at the handles provided 1 3 1 4 Horizontal Movement 200 5mm Force required should not exceed 5 kgf in either direction 1 3 1 5 Swivel Movement 12 5 1 Force required should not exceed 3 kgf at the handles 1 3 1 6 Steering movement Ensure that the rear wheels can be revolved using the steering lever This will confirm that the chain connecting the various links are intact and has not sliped off 1 3 2 Electrical Check 1 3 2 1 Mains supply For units with 190 240V supply 1 Check available mains voltage at the site Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions Siemens Ltd Med India Version 2 0 Page 6 of 9 2 Check if the mains voltage is within 10 of the nominal range 190 240V 3 C
88. has responded for over current replace the Fuse Link 5 1 2 1 Fuses on Transformer Plate Identification Rating Purpose U1 16 A Delayed Mains Fuse U2 16 A Delayed Mains Fuse U3 6A Delayed Glass cartridge Motor Supply U4 6A Delayed Glass cartridge Motor Supply U5 6A Delayed Glass cartridge Motor Supply U6 6A Delayed Glass cartridge Charging resistor to capacitor bank U7 6A Delayed Glass cartridge SMPS supply D981 U8 6A Delayed Glass cartridge SMPS supply D982 Note All Fuses are rated for 250V 5 1 2 2 Fuses on D506 Identification Rating Purpose F1 250 mA Delayed Glass Cartridge T1 transformer primary F2 630 mA Delayed Glass Cartridge 240 264 V AC Supply F3 630 mA Delayed Glass Cartridge 24 V for K3 K4 K5 relays F5 4 A Delayed Glass Cartridge Filament Circuit Note All Fuses are rated for 250V 5 1 2 3 Fuses on D508 Identification Rating Purpose F1 1 A Delayed Glass Cartridge Supply for K1 amp K2 relay F2 100 mA Delayed Glass Cartridge Collimator power supply F3 1 A Delayed Glass Cartridge II power supply Note All Fuses are rated for 250V 5 1 3 Checking the LEDs Switch the Unit ON After the initialisation the default data 60 kV and 10 mAs are displayed at first time switch ON or last stored kV amp mAs value Check for the following LEDs Mode PCB LED Purpose V3 Mains ON V9 Mains ON D 506 V12 24V for relay Standby Mode D5
89. heck if the Mains resistance is 1 5 For units with 110V supply 1 Check available mains voltage at the site 2 Check if the mains voltage is within 10 of the nominal value 110V 3 Check if the Mains resistance is 0 36 1 3 2 2 Switching ON Press on the top panel The kV mAs display will light up The Display will indicate for the set up time 3 seconds approx After setup and initial hardware checks the display changes to the default kV and mAs settings The Control Unit contains Non volatile Memory which retains the last selected kV and mAs So the initial display after set up will depend on the last settings done NOTICE The kV amp mAs display and settings will now respond to the corresponding switches on the panel In case of any errors while setting up hardware check stand by operation the corresponding Error code will be displayed on the same displays The display will indicate CodE 99 in case the unit while setting up after set up detects that last reset of the unit was due to watch dog and not hardware RESET If the unit is being installed after six months from the date of despatch the capacitors need forming Refer Service instructions for forming WARNING 1 3 2 3 Up Down movement Once the unit is switched on Check column Up and down movement Check for the operation of the limit switches Do the Up Dn movements several times to confirm that there is no wear and tear of be
90. ice Instructions Siemens Ltd Med India Version 2 0 Page 20 of 71 5 Troubleshooting Troubleshooting In case of errors which Impair radiography or fluoroscopy perform the following checks 5 1 Checking the line voltage fuses and LEDs 5 1 1 Checking the line voltage Measure the supply voltage at site using the digital multimeter Ensure that the supply conditions Voltage Should be between 99 121V or 170 264V Frequency Should be 50 or 60 Hz Mains Resistance Should be 0 36 max for 99 121V or 1 5 max for 170 265V Switch the Unit ON If the Unit can not be switched ON Check Supply at Socket Check Continuity of mains cable with the Plug pins Check Over Current Protective devices Fuse Link U1 amp U2 CCU U3 U4 U5 U6 U7 U7 C1 C2 SMPS1 D61 D506 DL L2 US LN D505 D982 T1 C4 C5 SMPS2 D985 NOTICE Switch the Unit OFF Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 21 of 71 5 1 2 Checking the fuses Open the front cover of the control unit Loosen the Fuse carrier which are mounted on the base of the control unit and check the continuity of fuse link If fuse link
91. iemens Ltd Med India Version 2 0 Page 9 of 9 1 4 General Check Check for the following before handing over the unit to the customer 1 Cassette Holder It should be possible to mount the cassette holder on I I ring in any position of the C arm A 10 x 12 cassette shall not slip from the cassette holder in any position of the C arm It shall be possible to mount the cassette holder even if the unit is covered with sterile covers on the Image Intensifier 2 Sterile Cover The sterile cover should be easily fitted with the clips provided and shall not slip out or hinder free movement in any condition 3 Exposure Radiation indication as explained tin the section 1 3 4 4 Front cover and top panel are protectively earthed 5 All the handles shall be of the same colour amp smooth in movement 6 Unit brake pedal shall be fixed with rubber jacket 7 Footswitch holder shall be fixed on the rear panel of control trolley 8 Check for all PVC caps are fixed on all visible holes Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 1 of 71 Multimobil 5C Med Service Instructions Version 2 0 Copyright SIEMENS LTD Med INDIA Copyright
92. iled in this section 2 5 1 Daily checks 2 5 1 1 Prior to the Operation Check that all safety related devices are functional and that the system is ready to operate Please check The power cord Do not use the unit if the power cord is damaged The additional conductive connection between the system and point of Potential equalization e g the patient table must be established prior to the examination Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 11 of 71 All the mechanical movements of the unit All the locking mechanism of the unit The correct functioning of the foot brakes the steering mechanism of the unit and the monitor trolley The anchoring of housing at the II unit and at the single tank Check for the emergency stop function for motor driven system movements Switch the system on Move the lifting column Press the EMERGENCY STOP button Lifting column movement is not possible Press the red Emergency stop button provided on the control unit of the Multimobil 5C immediately if any dangerous situation arises from motorized movements The motorized vertical movement will then be disabled immediately This does
93. infectant Follow manufacturer s instructions for the use of the product CAUTION To disinfect surfaces we recommend common liquid solutions of aldehyde based or ampholytic surfactant based disinfectant Substituted phenol based or chlorine releasing disinfectant can weaken materials and are not recommended The same restrictions apply to undiluted solutions with a high alcohol content e g for disinfecting hands Disinfectant sprays should generally not be used the spray can seep into the system and safety features can no longer be guaranteed possible damage to electrical components formation of flammable mixtures of air and the solution vapour As is known some components of disinfectants are detrimental to health Their concentration in respiratory air must not exceed a legally determined limit We recommend that appropriate directions on use issued by the manufacture of these agents be strictly observed CAUTION WARNING 2 4 Protecting the system from fluids Do not allow fluids to enter the system either during normal operation or during cleaning and disinfections as this may damage the system or cause a system malfunction The Sheet metal cabinet of the control unit is not watertight The cleaning fluid should not seep into the unit Seepage of fluid into the unit can result in malfunctioning of the electronic components NOTICE 2 5 Routine Checks The Service personnel should perform the checks deta
94. ing instructions provided on the packing Observe the following steps 1 Remove the restraining strips by cutting it Use a cutting plier for this purpose 2 Start removing the wooden planks For this purpose the service engineer should use a claw hammer or nail pulling plier and preferably a crow bar 3 First of all remove the top planks Upon opening this plank you will be able to see the unit inside Ensure that the unit has not received any transit damages 4 Now remove the front and rear wall of the box one by one The front wall is provided with a ramp Hence place this plank carefully for pushing the unit out of the platform 5 Now you will see three wooden blocks fixed across the unit for supporting the wall and also to support the image intensifier and single tank This are supporting beams 6 Loosen these blocks from one side and remove them gently Now remove the side walls 7 Care should be taken to see that the wooden planks or the nails do not damage the unit 8 Now you can easily remove the ESD bags 9 After removing the ESD bags remove the monitor boxes and accessories and take them to the OT 10 Remove the packing strips and thermocol packing from the control II and single tank Also remove the wooden lever fixed at the base by cutting the strap 11 Next step is to remove the clamping brackets First of all remove the bracket used for clamping the single tank and Image intensifier Secondly remove the b
95. ining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 5 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 6 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 7 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 8 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 9 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Divisi
96. intensifier by centring the collimator with respect to the II using the four alignment studs 5 5 2 Aligning the X ray field to Image Intensifier Fix the collimator assembly on the X ray tube head and close collimator fully using the collimator close switch on the control panel so that the small circular image will be seen on the monitor during fluoroscopy Adjust the image in the centre of the II by using the alignment stud provided on the collimator plate The iris of the circular collimator can be adjusted using the potentiometer VR4 provided on the D508 PCB The maximum allowable field size is the same as the field size of the Image intensifier which can be observed on the monitor Thus the Single Tank and Collimator assembly is centred When radiographs are to be taken the circular collimator should open as soon as the control switches from Fluoroscopy mode to radiography mode This field to be adjusted for maximum cassette size 10 x 12 by using VR3 which results in a larger radiation field during radiography The calibration of the Unit is Specific to the Single Tank Re calibrate the unit when the single tank is replaced CAUTION Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens
97. is CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 13 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 14 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 15 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 16 of 16 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for
98. is Collimator will open automatically to it s maximum opening diameter for the cassette exposure Use Radiation Protection Presence of High Tension Observe Safety Precautions 1 3 4 Exposure 1 3 4 1 Fluoroscopy Switch ON the unit Enter in to the Fluoroscopy Mode press foot switch check for the Initialization of the Fluoroscopy at the same time radiation Indication Yellow LED on the top panel and the lamp on the monitor trolley will light up The Image will appear on the Monitor in Live Mode by releasing the foot switch The Last Image On the Monitor will be frozen LIH function 1 3 4 2 Exposure Set the exposure parameters as 60kV 10mAs Pull the recoilable Exposure Release Switch and release an exposure The yellow LED on the top panel will light up for duration equal to exposure time An audible indication by a muffled sound from single tank as well as from the buzzer will confirm the working of the inverter and the exposure 1 3 4 3 Timing Set 40 kV 160mAs Release an exposure The radiation indication LED will light for 5 sec 0 5 sec Set 90 kV 80mAs Release an exposure The radiation indication LED will light for 5 sec 0 5 sec Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions S
99. k to the normal position as shown in the figure for transportation This is also the parking position Roll all the cables and hang it on the cable holder provided on the housing Unbrake the wheels and move the unit to the OT Use the steering for easy manouverabilty 1 6 Unpacking the monitor trolley Observe the following steps 1 Remove the restraining strips by cutting it Use a cutting plier for this purpose 2 Remove the top plank 3 Remove the front and rear wall of the box 4 Remove the supporting beams fixed across the sidewalls 5 Remove the side planks The trolley is mounted on the clamping brackets 6 Remove the ESD bag 7 Now using a spanner of 16 17 remove the clamping brackets 8 Lift the trolley gently by holding at the base and supporting it from top Place it on the floor 9 Release the brakes and the trolley can be shifted to the OT 1 7 Installation Of The Monitors 1 Open the corrugated box and remove the monitors 2 Open the accessories box and remove the packet of hardware Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 10 of 10 3 Place the monitors on the top tray of the monitor trolley and fasten them using so
100. latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 14 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 15 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 16 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 17 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 18 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division I
101. ll rights reserved For internal use only The line voltage is monitored by the microcontroller if it falls below 200V AC the LN contactor picks up through the K6 relay on D506 And opening the NC contact 21 22 Causing NO contact 13 14 to close and routing 0 220V AC from primary winding of mains transformer T1 through X9 2 X9 3 to V1 capacitor bank and across D61 and D61 1 1 2 For Units with 110V Supply When the MCB is switched ON Line and Neutral is routed through line filter U1 U2 fuses and a mains voltage of 110V AC appears at the terminal block and mains voltage of 240V appears across X1 1 and X1 2 on D506 On D506 this mains voltage of 240V AC is then stepped down to 15 V AC rectified and regulated to 12 VDC which is used to energize ON OFF relay coils K1 amp K2 The unit is switched on by depressing the switch on D507 the circuit for the relay coil K2 is complete as K2 contact 6 8 closes With K2 5 7 also close the mains voltage is now available at the following points X1 5 and X1 2 CS contactor coil X1 7 and X1 2 CCU X1 9 and X1 2 through K3 relay NO contact 4 8 to US contactor coil X1 10 and X1 2 through K5 relay NO contact 4 8 to DL contactor coil LN and X1 2 through K6relay NO contact 4 8 to LN contactor coil X1 6 and X1 4 Through U7 SMPS 1 X15 on D915 X3 10 15V X3 9 AG X3 8 15V on D508 Through U7 SMPS 2 X3 1 15V X3 3 5V X3 2 DG amp AG on D508 X1 8 and X1 3
102. ller PCB D915 through X40 connector The switch action will be conveyed to the Master Card by a switching Voltage signal in the analog port of the microcontroller The collimater open close and the motor up down control are connected to PCB D508 through FRC connector 1 6 Collimator Control and ADR Interface PCB D508 Controls for collimator opening and closing up down movement of the motorised column Interface with the Camera control unit and selection of the ADR or manual mode for fluoroscopy This PCB should consist of Controls for iris collimator opening and closing Control interface for motor up down movement Control interface for the ADR mode of fluoroscopy Control interface circuit for CCU from D507 The control signals for limiting the collimator opening are generated in this PCB based on the mode selection These limit signals thus generated are sent to the collimator through the control to single tank cable The column lifting motor is bi directional 230V AC induction motor The 230V AC supply to the motor is switched through the 24 V AC Contactor N1 and N2 which is further controlled by the relay K1 and K2 on PCB D508 Interlocking is provided in relay K1 and K2 so that the both contactor can t be switched on at a time 12V power supply from SMPS D981 is used for operating K1 and K2 relay The switches responsible for UP Down movement on control panel are S27 and S28 on PCB D507 Similarly switches S25 and S26 are
103. lt bearings and no abnormal noise from the mechanism Keep the colum in the upper most position and switch off the unit Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions Siemens Ltd Med India Version 2 0 Page 7 of 9 After the unit is switched on the capacitors charge to 300VDC Approx After switching the unit OFF it takes about 4 minutes for capacitors to discharge The presence of DC voltage is indicated by Green LED on D61 WARNING 1 3 2 4 Cable Connections Switch off the unit and disconnect the mains supply Wait for 5 minutes Open the front cover and top panel Check the cable connections as per the table below Type Description Specifications Mains Mains Cable 3 x 1 5 mm sq 15A Moulded Plug 5mtr length Control to single Tank HT Cables U amp V 6 mm sq black twisted with braid Filament cables Y 12 amp 22 3 Core shielded PVC insulated Collimator Cable 12 Core Grey Earth Cable 6 mm sq Black Yellow Green kV feedback Cable 2 Core shielded PVC insulated Ground Wire X 1 5 mm sq Yellow Mains Cable 3 x 1 5 mm sq Composite Video Cable 2 x RG 59 with BNC termination Control to Monitor Trolley Radiation indication lamp 2 x 1 5 mm Sq Control to
104. ly connected WARNING Precaution should be observed while working on the single tank During continuos fluoroscopy the temperature of the oil in the single tank raise The thermal switch provided on the single tank cuts off the radiation after the temperature is reached to 60 5 C Hence the surface becomes hot and can cause burns Avoid contacting the surface of the single tank at this instance WARNING 1 2 Overload Protection The unit is designed to work on 110 190 240V single phase 15A socket For safety purposes 16A HRC fuses are provided which will blow when a current exceeding 16A sustains for its response time Ensure that the mains socket is properly earthed WARNING In case of fault if the kV tries to build beyond the safe limit of X ray tube the protection circuit blocks the HT In case of fault if the Filament current tries to increase beyond the safe limit the protection circuit blocks filament boosting Maximum permissible resistance between the Earthing lead terminal in the control and on the HT transformer shall not exceed 0 1 ohms 1 3 Radiation Protection Do not put any part of your body in the direct line of radiation Collimate the X ray beam Keep maximum possible distance from the object being radiographed For this make the best use of 5 mt of recoilable exposure release switch In the room Wear protective clothing lead Apron Monitor radiation received using the personal T
105. ly for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 15 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 16 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 17 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back
106. meter or by electrical measurement 2 6 6 1 mAs meter Remove mAs link on D506 Insert mAs meter leads in the banana sockets mA and mA on D506 Set meter at DC mA 200mAs and in the mAs mode Set exposure parameters as 60kV 20mAs Release an exposure The reading should be within 5 of the selected value Repeat for exposure parameters 90kV 16mAs The actual tube current can be measured by setting the meter in mA mode Set the exposure parameters as 60kV 50mAs Release an exposure During the exposure the reading should be within 5 of the mA as per the exposure chart 2 6 6 2 Electrical Connect oscilloscope at D915 TP JR Set exposure parameters 60kV 2 5mAs Release an exposure The recorded waveform should be within 5 of the mA as per the exposure chart 1V 20mA 2 6 7 Tuning It is necessary to re tune the unit in case of undershoot or overshoot observed in the mA wave shape Tuning is required when any of the following Parts is changed 1 Single tank 2 D915 PCB 3 D506 PCB 2 7 Yearly Checks The following tests has to be performed every year Siemens offers free service for during the first year and attractive AMC packages are available a Check for the calibration values b Check for insulation resistance of the equipment process explained below Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for
107. ndia Version 2 0 Page 19 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 1 of 17 Copyright SIEMENS LTD All rights reserved For internal use only PRESENTATION TRAINING REPORT CHETAN C POTDAR BIO MEDICAL ENG Multimobil 5C Med Version 2 0 Copyright SIEMENS LTD Med INDIA The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 2 of 17 Copyright SIEMENS LTD All rights reserved For internal use only INDEX 1 WIRING DIAGRAMS 3 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 3 of 17 Copyright SIEMENS LTD All rights reserved For internal use only 1 Wiring Diagrams The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the late
108. nformation in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 30 of 71 can be switched OFF internal switch or external control Frame memory 4 frames Selection recording and playback are Controlled externally The playback signal in the selected memory is output to the dedicated output terminal OP MEM OUT ABC voltage output DC voltage corresponding to the video signal level for controlling X ray exposure ABC gain output voltage change corresponding to a certain change in video signal amplitude amp DDC offset of ABC can be adjusted internally Adjustable range is 8 to 8V including offset and the output impedance is 75ohms The way of sampling signal detection is the same that of the AGC Character display Displays the identification character of video signal output on the monitor and confirmation for recording into memory VIDEO OUT 1 and 2 Identification character for outputs LIH MEM for the standard memory playback image and MEM1 to MEM4 according to the selected memory They are always displayed at the upper left Confirmation of recording Changes to REC during recording into the standard memory and to REC 1 to REC4 during recording into optional memory for one second Image rotation Rotation of 360
109. nsport of monitor trolley loosen the brakes For more details Refer Operational Manual Label is provided on the unit showing the transport position NOTE While transporting the unit on the slope ensure that the slope should not exceed 10 If the slope is more than 10 there is a risk of toppling 1 2 Safety Information 1 2 1 General It shall be the duty of the installation personnel and the user to ensure that all the safety measures concerning the unit operation and installation are adhered to The unit must be checked for the status of its safety measures at least every year or any time desired by the user not exceeding one year However we recommend in the interest of the safety of the patient the user and other personnel to have a yearly drill on operational safety If there are any special regulations of the hospital institute to be followed over and above the general safety regulations pertaining to the installation the same must be ensured Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions Siemens Ltd Med India Version 2 0 Page 4 of 9 Before commencing the operation the user must convince himself herself regarding all safety aspects and their proper functioning
110. ny parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 24 of 71 3 100kV 20mAs 5 3 4 2 Checking the tube current Connect oscilloscope to D915 TP JRS amp D915 TP JR Turn the unit ON Select radiography mode Set parameters of 60kV 10mAs Trigger an exposure Observe the voltage on C R O with the scale corresponding to 1V 20mA The readings should be within 5 of the value as per the exposure chart 5 3 4 3 Checking the kV and tube current Connect oscilloscope to D915 TP KV amp D915 TP JR Turn the unit ON Select radiography mode Set any parameter combination Trigger an exposure Observe the voltage on CRO 1V 20kV amp 1V 20mA for selected kV amp mAs The readings should be 5 3 4 4 Checking the mAs values Turn the Unit OFF Remove the Shorting Link mAs on D506 PCB banana sockets Connect mAs meter to mAs mAs on D506 PCB Turn the Unit ON Trigger an exposure with 40kV 200mAs The mAs reading on the meter should be within 5 of the selected value Repeat the measurement with the following parameters 1 52kV 64mAs 2 100kV 2 5mAs The mAs values should be within 5 for values gt 20 mAs and 10 for mAs 20 mAs If the values are not within the above range tune P1 on D915 to adjust the mAs values 5 4 Automatic Dosage Regulation Automatic dose regulation constantly adapts the X
111. of Exposure Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 67 of 71 8 4 8 CodE 21 Iheiz gt Iheiz maximum Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 68 of 71 8 4 9 CodE 22 Maximum Preparation Time Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 69 of 71 8 5 PCB Layout Drawings 8 5 1 Master card D915 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service In
112. on India Version 2 0 Page 10 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 11 of 19 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Diagrams Siemens Ltd Med Division India Version 2 0 Page 12 of 19 X 4 2 X 4 3 X 4 4 X 4 5 X 1 1 X 1 3 X 1 4 X 1 5 X 1 2 X 1 6 X 1 7 X 1 8 X 1 9 X 1 10 L N X 4 1 1 JM P 1 3 2 IN 4007 V 11 R 3 10K V 7 IN 4007 V 9 V 9 V 8 IN 4007 V 12 IN 4007 V 10 R 2 100K 2 269V 1 1 2 29V 3 24V JM P2 630m A 2 0V 24V 100K V 23 9 5 12 1 T R 1 IN 4007 1 4 0V L IN 4007 16 1 24V 4N 35 U S _R E L 5 R 50 1K V 30 0V L K 6 24V J1 J9 K 3 V 6 G A 13 0V L R 9 8 2K R 18 3 3K H C P L 3700 J4 1 2 3 4 4 7K 8 0 1 F 6 5 R8 C 6 0V D 15V X 10 15 X 10 16 X 20 5 24V G A 2 0V L G A 9 X 2 1 X 8 1 X 2 2 X 8 2 X 11 12 X 11 14 X 11 11 G A 4 X 8 3 4 7E R 5 100K K 6 8 4
113. ore ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 55 of 71 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 56 of 71 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 57 of 71 8 3 3 CodE 05 kVist lt gt 0 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 58 of 71 8 3 4 CodE 06 JR lt gt 0 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering
114. ot a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Installation Instructions Siemens Ltd Med India Version 2 0 Page 2 of 9 INDEX 1 INSTALLATION 3 1 1 TRANSPORT POSITION OF UNIT 3 1 2 SAFETY INFORMATION 3 1 2 1 General 3 1 2 2 Safety Checks 4 1 2 3 Overload Protection 4 1 2 4 Radiation Protection 5 1 3 PRELIMINARY CHECKS 5 1 3 1 Mechanical Check
115. oupler 1 3 4 Filament Circuit The interface for the filament is built in a series regulator form The filament is driven for the required heating i e of the predetermined value of current through an arrangement of controller driver circuit and final regulator circuit Out of these three the controller circuit exists on the Master Card D915 The driver part J7 and the series regulator are formed on the Interface PCB D506 1 3 5 Filament Supply and Heating The DC supply of around 15 volts for small focus and 24 volts for large focus is obtained by SMPS 110 watts and 120 watts respectively This is then passed through bridge rectifier to avoid wrong connections of positive and negative terminals of SMPS amp passed by a 2200 F capacitors This capacitors help in reducing the heavy current spikes that might result if a single capacitor of a large value is used The collector voltage to V20 transistor is given through NTC 2 5R to reduce inrush filament current The firing Pulses for the driver optocoupler J7 are the Drive1 and Drive2 pulses added together These pulses switch the driving transistor for the regulator 2N2222 In this manner the Power transistor 2N3055 V20 is operated in the switching mode to obtain the pulsating DC for the filament heating 1 3 6 Filament Current Feed Back The control circuit on the Master Card D915 receives the feedback voltage corresponding to the actual filament current inorder to achieve the filament current
116. put to VIDEO OUT 1 or 2 by the output switch Recursive filter This reduces X ray quantum noise in the video signal and performs summed averaging of video signals along the time axis The reduction coefficient can be switched among four steps including OFF using CONT BOARD switch S2 INT VAL and by remote control The motion detection function is not provided Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 32 of 71 6 5 ADJUSTMENTS amp EXTERNAL CONTROL Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 33 of 71 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 34 of 71 Copyright SIEMENS LTD
117. quired e Lock the screws with the check nut so that the adjustable nut doesnot turn f Place the unit on the floor and operate the steering lever to check the movement The force required to move the steering lever should not be more than 2 3kf 7 2 Parts which needs servicing or replacements Following are the parts that may need replacement or servicing depending upon the frequency of use 1 V Belt 2 Bearings 3 Brake liners 7 2 1 V Belt The V Belt may undergo wear and tear after a period of one year or so depending upon the use of the up down movement Hence the worn out belt may cause troubles such as slip Causing jerky movement noise and can also fail rupture and make the machine idle Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 45 of 71 Hence it is the responsibility of the service engineer to keep a watch on these activities and change the belt from time to time 7 2 2 Bearings Bearings generally doesn t get worn out under clinical conditions Only possibility that cannot be ruled out is the wearing out of balls after a period of five to eight years This may cause noise in the movement and misalignment of movement Hence it is
118. r more under Normal gain AP OFF 1 Using 4 2 MHz low pass filter Frequency response 0 to 8 MHz 3dB Aperture correct AP Front amp rear edge emphasis for both H amp V AP ON OFF amp emphasis leve are selectable internally AGC Keeps video signal increased to 6 or 12 dB compared With the standard level when AGC ON AGC ON OFF amp AGC level is set internally The video signal for sampling is dected within the area of a square at the image center AREA detection or in two small areas located on the image DIVISION detection The Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 29 of 71 area size of the AREA detection can be adjusted to 10 20 30 40 amp 50 of the image height internally The area is displayed on the monitor when adjusting the size The area size of the DIVISION detection is fixed The signal detection in case of the AREA detection is of peak detection or average detection selectable internally The signal detection in case of the DIVISION detection is of weighted average detection Gamma r 0 45 amp normal gain Black white reversal Outputs LIVE image in negative when the function is ON or during external ON
119. r the smooth functioning of the unit The service needs are classified under three sections 1 Parts which needs periodic adjustments 2 Parts which needs servicing or replacements 3 Trouble shooting and rectification 7 1 Parts which needs periodic adjustments Following are the parts that will need periodic adjustments The adjustments can be checked in six months or a year depending upon the frequency of use of the machine 1 Brakes 2 Bearings 3 V belt 4 Chain 5 Handles 7 1 1 BRAKES All brakes are adjusted and pinned in the factory upon dispatch of the unit During the adjustment of the brakes at site the service engineer has to remove the tubular pin and do the required adjustment and after the adjustment the tubular pin has to be fixed in If the same is not done the adjustments may slip off 7 1 1 1 Adjustment for the orbital C Arm movement brake Procedure for the adjustment of brake 1 Turn the C arm about its vertical axis to 180 i e in this position the Image intensifier should be at the lower level and single tank on the top side Remove the rubber cap 5421319001 from the trag arm 2 Using a spanner of 12 13 tighten the threaded case so that the tension on the spring disc increases After every half turn of the screw check the brakes 3 Once the brakes are set fix the rubber cap back and bring the C arm back to its original position 7 1 1 2 Adjustment for the horizontal C Arm movement brake 1 Remove
120. racket used to clamp C arm Third remove the brackets on the rear wheels Next remove the brackets used to clamp the base 12 Now ensure that the rear wheels are in locked condition Also the C Arm should be in locked condition 13 Remove the bolts of the clamping brackets at the rear side on which the housing is resting Now using the lever gently lift the base along the bracket so that the rubber block can be removed Once the rubber blocks are removed remove the clamping bracket 14 Now remove the two brackets on the front end of the base Lift from sides using wooden lever Remove the rubber buffer and remove the bracket Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 9 of 10 15 Now the unit will be resting on the wooden platform Release the brakes and push the unit down to the ground through the ramp DO NOT HOLD THE UNIT AT POINTS MARKED WHILE LIFTING WARNING Observe the following steps for transporting the unit to the OT Unlock the C arm and turn it to the position shown in the figure and lock it This is the suitable position for moving the unit from the platform Now release the brake of the C Arm and swing the C Arm bac
121. re is triggered through the foot switch Reg pulses from D915 is applied to D61 The output of D61 across A2 A3 is given to inductor L2 resonating capacitor C5 NC contacts 21 22 of DL contactor to U V on D502 When Radiography mode is selected on D509 K5 relay coil on D506 is energised This activates DL contactor coil closing NO contacts 13 14 43 44 24v from D982 SMPS is applied through X4 6 X4 8 on D506 K4 relay X2 3 X2 4 on D506 closed contacts 43 44 of DL contactor to large focus 22 on D502 When a exposure is triggered through the exposure release switch Reg pulses from D915 is applied to D61 The output of D61 across A2 A3 is given to inductor L2 resonating capacitor C4 closed contacts 21 22 of DL contactor to U V on D502 1 4Switching off the Unit When the unit is switched OFF by depressing the switch on D507 the relay coil K1 on D506 is energised causing NC contacts 4 6 of K1 to open thereby disconnecting K2 relay The DC voltage across the capacitor bank discharges through US NC Contact 32 31 and Resistor R2 and R3 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 1 of 13 Copyright SIEMENS LTD All rights reserved For internal use only Med Circuit Description Version 2 0 Copyright SIEMENS LTD
122. s Voltage 110V 190 240V 2 Line frequency 50 60Hz 3 Line impedance 1 5 max 190 240 V 0 36 max 110V 4 Length of power cable 5 m 5 Power Output Radiography Nominal Electric power at 100kV and 100mSec 2 5 kW 100 kV 25 mA 190 240V 1 6KW 100 kV 16 mA 110V 6 Wave Shape Multipulse DC Ripple 5kV max 7 KVp Range 40 100kV in 20 steps 8 KV Accuracy 5 9 mA range 13 63 mA 190 240V input 10 40 mA 110V input 0 32 200mAs at 40kV 0 32 160mAs at 42 50kV 0 32 125mAs at 52 63kV 0 32 100mAs at 66 77kV 10 mAs Range 0 32 80 mAs at 81 100kV 10 0 2 mAsfor mAs 20 mAs 11 mAs Accuracy 5 0 2 mAs for mAs gt 20 mAs 12 Exposure Time 20mSec 5 Sec in 24 steps 190 240V 20mSec 8 Sec in 26 steps 110V For details of kV mA and exposure time combinations as per EN 60601 2 7 refer to exposure chart on page 6 14 13 Fluoroscopy voltage 40 110 kV 14 Fluoroscopy Modes ADR Automatic dosage regulation Anti isowatt amp Contrast 15 Fluroscopy mA range Anti isowatt 0 5 to 5 mA Contrast 0 5 to 7mA 16 Fluroscopy Power 550W continous 17 Timer Fluoroscopy time display with timer Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS
123. s of injury for patients Note The system shown above is with 9 II system The points of injury are identical for 6 II system 1 7 Maintenance All parts modules of this product must be tested inspected for performance and safety aspects every 12 months to ensure that the product functions properly and is safe for patients operating personnel and other persons Every 12 months trained technical personnel should inspect and if necessary replace system components of the generator which may result in hazard due to excessive wear and tear If more frequent inspections and maintenance are required by federal or local regulations ensure compliance with them 1 7 1 Product Disposal Legal regulations may contain special prescriptions concerning the disposal of this product In order to avoid environmental damage and or personal injury please inform SIEMENS Customer Service if you want to put the unit out of operation and dispose it Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 8 of 71 1 7 2 Radioprotection Material Lead is present in X ray tube assembly In the C arm profile In the Image intensifier and in Collimator Approx 10 kg As a precaution ag
124. s operations of the entire system are provided by the Micro controller on its ports P1 P3 P4 and P5 The analog inputs AN0 AN6 are used for monitoring analog signals The pins TxD and RxD are used for serial communication between the processor and the external device such as a Computer for servicing The Service switch ST provided at pin P4 5 is used for operating the Unit in the service mode 1 1 5 Octal Latch The multiplexed address and the data bus is separated by the octal latch J27 At the active ALE signal the lower order address A0 A7 is latched 1 1 6 GAL Since Memory mapping technique is used the chip select signals for various peripheral devices are generated by the Gated Array Logic IC J28 The inputs are the address lines A8 A15 and the control signals RD and WR The output lines are CS1 to CS8 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Circuit Description Siemens Ltd Med India Version 2 0 Page 4 of 13 Copyright SIEMENS LTD All rights reserved For internal use only These output chip select lines are generated on the basis of the logic implemented in the program stored in the GAL 1 1 7 EPROM The entire program is stored in a single EPROM J32 1 1 8 NVRAM The 2 Kbytes NVRAM stores the variables during the operation of the unit A0 A10 and D0
125. s reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 49 of 71 8 1 2 No Radiography Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 50 of 71 No Radiography Contd Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 51 of 71 8 1 3 No Standby Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 52 of 71 8 2 Initialisation Error codes 8 2 1 CodE 90 EPROM CHEC
126. same specification size material and tensile strength as that of the original screw bolt 2 3 Cleaning and Disinfecting The unit must always be switched OFF or disconnected before cleaning Use only water or a Luke warm mixture of a household cleaner diluted with water to clean the unit Do not use an abrasive or organic solvents or cleaning agents containing solvents such as gasoline used for cleaning purposes alcohol or stain remover Do not spray water on the unit 2 3 1 Cleaning the Unit Switch OFF the system prior to cleaning disinfecting or sterilizing Clean the stand with a damp cloth or cotton pad Dampen the cloth or pad with water or lukewarm diluted commercially available liquid cleaning solution Do not use scouring powder organic solvents may damage materials or solvent based cleaning fluids benzene alcohol spot remove Do not spray on the unit The cleaning fluid must not seep into the generator CAUTION Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 10 of 71 2 3 2 Disinfecting As is commonly known the ingredients in disinfectants are hazardous to your health Ensure that the room is well ventilated when using any dis
127. se only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 28 of 71 Lens mount C mount Input power Single phase 100 240V 50 or 60Hz Power consumption 30 W approx Environmentls Temperature Humidity Air pressure Operation 10 to 40 C 30 75 RH max 70 106 kPa no condensation Storage amp 15 to 45 C 95 RH max 76 106 kPa Transportation no condensation 6 3 CONNECTION TERMINALS OF CAMERA CONTROL UNIT CCU CAMERA D sub15 Connected to the camera head with the camera cable VIDEO OUT 1 and 2 BNC Digital Video signal LIH image Memory image Monitor is connected to this terminal REMOTE CONTROL 1 36 pin D57 DDK Input output of the one signal group for external control of camera REMOTE CONTROL 2 D sub25 Input output of the other signal group for external control of camera HD OUT BNC Horizontal drive pulse output for external devices VD OUT BNC Vertical drive pulse output for external devices AC100 240V AC power input FG Grounding terminal CONT D sub9 For camera control with RS232c 6 4 PERFORMANCES FUNCTIONS CCD operation method Frame accumulation Resolution CCIR 560 TV lines H 520 lines V or more for frame accumulation S N ratio 55dB o
128. sposal 7 1 7 2 Radioprotection Material 8 1 7 3 Transformer Oil 8 1 7 4 Plastics 8 1 7 5 Electrolytic Capacitors 8 2 SERVICING 9 2 1 TOOLS AND MEASURING INSTRUMENTS REQUIRED 9 2 2 REPLACING DAMAGED OR MISSING SCREWS 9 2 3 CLEANING AND DISINFECTING 9 2 3 1 Cleaning the Unit 9 2 3 2 Disinfecting
129. st information Back Siemens Ltd Med India Version 2 0 Page 4 of 17 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Siemens Ltd Med India Version 2 0 Page 5 of 17 Copyright SIEMENS LTD All rights reserved For internal use only WIRING DIAGRAM 1 1 Master Card D915 Filament Interface PCB D506 Inverter Module Transformer T1 Single Tank Inverter PCB D61 SMPS 1 amp 2 US DL Capacitor Bank Mono Block X10 X8 X11 X20 X20 X11 X8 X10 X1 X4 Output Input X27 Exposure Release Switch C4 C5 X6 X6 X2 Y R S U V 12 22 kV mAs I O kV ist I O US DL kVist mAist Iheiz Drive1 2 ag SCH Disp1 2 230V 24V 12V 20V 230V K2 ZB HK Disp1 2 mAist U1 U2 Mains Input Filament Interface PCB D506 L N SMPS D985 LN GA Foot Switch X80 Collimator Control PCB D508 Collimator Control IRIS Collimator X2 TEMP Sensor D502 CCU AND II X12 N1 L2 N2 SMPS D982 Rad Display amp Memory Fluoro Display amp Interface PCB D507 Generator interface PCB D509 X12 X50 X50 Rad display X80 X70 X70 X40 X40 Temp sens Up Down control Contrast Mode selection
130. structions Siemens Ltd Med India Version 2 0 Page 70 of 71 8 5 2 Filament interface PCB D506 Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 71 of 71 Copyright SIEMENS LTD All rights reserved For internal use only 8 5 3 ADR and Collimator control PCB D508 The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 1 of 16 Copyright SIEMENS LTD All rights reserved For internal use only Multimobil 5C Med Wiring Diagrams Version 2 0 Copyright SIEMENS LTD Med INDIA The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Wiring Diagrams Siemens Ltd Med India Version 2 0 Page 2 of 16 Copyright SIEMENS LTD All rights reserved For internal use only INDEX 1 WIRING DIAGRAMS
131. t kVist is fed back to AN7of J31 for monitoring purpose 1 1 15 IH Feedback The filament current feedback is taken from the Interface card D506 through X11 1 J7 provides a gain of 5 to Ih The AC filament current Iheiz is converted in DC value Ih by RMS DC converter J6 J9 provides an appropriate gain to Ih that can be adjusted by preset P5 so that the ratio 1V 1 13A holds true Ih is fed back to J31 at AN2 for monitoring purpose and the same is used for Ih regulation 1 1 16 mA Feedback The tube current JR is fed back at pin 5 of X8 on D915 amp is applied to the Differential Amplifier formed by J4 The output JR represents the actual tube current mAist which is fed back to J31 at AN1 through J9 for monitoring purpose JR is also used for tube current regulation 1 1 17 kV Regulation The kVsoll and kVist values are fed to the P I controller formed by IC J10 The difference between the kVist and kVsoll value is amplified to produce an appropriate error output so as to compensate the error The zener V12 limits the maximum output voltage of the error amplifier to 10V The error amplifier output is fed to PLL IC J3 which is used as voltage to frequency converter The J10 output voltage produces an equivalent frequency REG at J3 output For 10V REG the maximum firing frequency of the Main Inverter is approx 9 5 kHz J3 is enabled by an active low INH2 signal provided by the microcontroller J31 at P4 1 through J23 During HT J3 is
132. tal plane Lock the brake of the trag arm so that the C arm does not move Remove the side cover and top cover by removing the ornamental screw Disconnect the Single Tank connections by removing connections from D502 and the earthing point Remove the collimator and temperature sensor connections Loosen the Socket headed screw used to anchor the single tank to the C arm using Allen key Lift the single tank off vertically and place it on a soft base Detach the collimator by loosening 4x alignment studs Mount the new single tank with the collimator Make the connections in D502 collimator and temperature sensor connections Check alignment of X ray beam with II and adjust if necessary 5 5 1 Replacing the collimator In case of any damage to collimator the collimator has to be replaced completely Loosen the connector on the collimator cable and disconnect it Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 26 of 71 Remove Temp Sensor wires Remove collimator by loosening alignment studs Fix the new collimator fasten it with 4x alignment studs Connect the Temp Sensor cables amp collimator cable connector Align the beam to the centre of the Image
133. the duty of the service engineer to clean and grease the bearings regularly Following bearings can be serviced periodically 1 Universal bearing This bearing needs periodic greasing or oiling as this bearing is responsible for your smooth up down movement The procedure is as follows 1 Open the front cover 2 Remove the limit switch holder bracket from bottom 3 Now you get a clear access for applying grease or oil While greasing rotate the bearing constantly so that every part gets lubricated 4 After lubrication fit the switch and put the cover 2 Roller complete and eccentric bearing of trag arm holder Steps for servicing 1 Open the cap complete by loosening the ornamental screw 2 You will find the bearings First of all pour a few drops of petrol or kerosene on these bearings and clean them thoroughly This will remove all dust and other inclusion and make the bearing free 3 Now put a few drop of oil and move the square tube to and fro and make the movement smooth 4 Fix the cap complete back 3 Floating bearings and supporting bearings of trag arm 1 Remove the cover complete by removing the ornamental screw 2 Follow the same procedure as the one used for trag arm holder 3 Apply grease or oil and fix the cover complete 7 2 3 Brake liners Brake liners of the brake shoes wear out after a few years of usage resulting in loss of braking efficiency In case of such incidence the brake liners along with the
134. the protection cover after removing the handle knob 2 Remove the tubular pin using a flat punch 3 Remove both the grub screws M4x8 4 Remove the handle along with the stud by rotating it 5 Fix the stud back on to the bush and using a screwdriver tighten the stud until the horizontal movement is properly braked Note that this is the braked position 6 Replace the handle knob by rotating it on the threads of the stud When the handle is tight i e The handle cannot be screwed any more fix the first grub screw and tighten it to the maximum extend This is the braked condition Turn the handle 90 anticlockwise The brakes will be released This is the unbraked condition Fix the second grub screw at this point Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 43 of 71 7 Replace the tubular pin with a new one and fit the protection cover 7 1 1 3 Adjustment for the swivel C Arm movement brake 1 Remove the false cap by removing the ornamental screw of M4x5 2 Remove the dowel pin from the handle knob fitted on the left side right side handle should not be disturbed using a flat punch 3 Loosen the grub screw and remove the handle out 4 You will find
135. ti clockwise wih complete 360 rotation in 10sec 51 Recursive filter Steps of 1 1 5 2 3 4 8 10 12 14 16 24 amp 32 to minimize dynamic blur 52 Image reversal Left right and top bottom 53 II Chain Resolution Nominal 1 2 lp cm Zoom 1 6 lp cm for 9 system Nominal 1 4 lp cm Zoom 2 0 lp cm for 6 system 54 C arm orbital movement 125 90 to 35 55 Angulation 190 56 Horizontal travel 200mm 57 Swivel range 12 5 58 Vertical travel 400 mm 59 Mobility Directional lock on rear wheels enabling excellent manuerability Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Pre installation Instructions Siemens Ltd Med India Version 2 0 Page 6 of 10 Sr No Parameter Value 60 Max floor incline for transport 5 61 Mechanical Dimensions lxbxh 2000 x 800 x1720 mm min 2070x1050 x2120 mm max Weight Without packing 280kg 62 With packing 680kg Environmental conditions Transport and Storage Temp range Relative Humidity range Atmospheric pressure 15 C to 45 C Upto 90 50 kpa to 106 kpa 63 Operating Temperature Relative Humidity range 10 C to 40 C Upto 85 non condensing 64 Conformance to Standards EN 60601 1
136. tive to kV and mAs display During the preparation and radiograpy time line voltage is not monitored Before changing the pot P1 on D506 release the exposure switch completely and after adjusting the pot wait for 10 sec to get exact changed reading on display 5 2 2 Checking the Intermediate circuit voltage Depending on the supply voltage a value between 250 to 350Vdc must be measured with the Digital Multimeter on Capacitors on the inverter module 5 3 Checking for Exposure parameters 5 3 1 Checking the Main inverter frequency Turn the Unit OFF Short the ST link on the D915 Switch on the unit The display will be Pr 1 on the radiography display field Press the kV increment key to reach Pr 7 Press the DL_SERV key on the D507 PCB The display will be Adj F Connect oscilloscope on D915 TP REG and D915 TP GND Press the exposure release switch The display will be F on Measure the REG frequency at the REG TP on D915 It should be 9 2 0 3 kHz If not tune P4 to set REG within the above range Copyright SIEMENS LTD All rights reserved For internal use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 23 of 71 Press DL_SERV again Switch off the unit Remove ST link from the D915 5 3 2 Checking the Filament frequ
137. use only The information in this CD is not a controlled document and to be used only for reference Before ordering any parts HO Med CS SP to be contacted for obtaining the latest information Back Service Instructions Siemens Ltd Med India Version 2 0 Page 12 of 71 a Close the collimator and cover single tank with multifolded lead apron and switch on the fluroscopy in ADR mode The kV and mA should reach to the maximum b Open the collimator and remove all objects from the x ray beam path and switch on the Fluoroscopy in a ADR mode The kV and mA should reach to the minimum Check the image intensifier function including camera functions a Last Image Hold b Zoom In Out c Image Reversal Horizontally d Image Reversal Vertically e Memory Selection f Image Transfer g Image rotation clockwise h Image rotation Counter Clockwise 2 6 Calibration Check 2 6 1 Control Voltages Voltage Measuring Point Range 5 V D915 X15 4 amp GND 4 9v to 5 2v 15 V D915 X15 5 amp GND 13 5v to 16 5v 15 V D915 X15 7 amp GND 13 5v to 16 5v 15 V For Filament D506 X4 7 amp 8 15 v 24 V For Filament D506 X4 6 amp 8 24 v 12 V D505 TP 12V amp OVL 10 v to 12 3 v 5 V Collimator Supply D505 TP 5V amp OVL 4 8V to 5 2 V 2 6 2 Signals Signal Measuring Point Range Adjustment KVsoll D915 TP KVS During Exposure 2 0 0 1 V for 60kV D915 P7 mAsoll

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