51714-IMG Focus Service Manual Eng r2
Contents
1. Attach the front cover and aluminum filter to the tube head Set the O ring in to the filter 51714 IMG rev 2 Instrumentarium Dental 41 7 Changing the tube head 10 Put the back cover back in place 11 Fasten the angle ring so that the nodules of the angle ring will meet the hole in the cover Turn the ring step by step and wedge it with a screwdriver NOTE After installation calibrate the unit See chapter Calibration procedure of the unit 42 Instrumentarium Dental 51714 IMG rev 2 51714 IMG rev 2 7 Changing the tube head 7 2 1 Reset the exposure counter Sr 3 Each unit has the counter which counts the number of the exposures The counter should be reset if the tube head has been changed Enter the service mode Scroll with the arrow keys until Sr3 appears on the display Press kV button to reset the exposure counter when the tube head has been changed The unit beeps twice when the counter is reseted Instrumentarium Dental 43 7 Changing the tube head 44 Instrumentarium Dental 51714 IMG rev 2 8 Changing the voltage 8 1 FOCUS 2 0 8 Changing the voltage Remove the main voltage selection plug a and move it to correct position Connector X45 Upper 230 VAC X46 Lower 115 VAC After changing the voltage selection plug change the internal fuse b and external fuses c as per following instructions E Push on the fuse base and twist it counter cloc2. MOLEX 5558 PBT 59 01 2041 XIF lo 39 00 0061 AWG SU GROUND 1 t l i iss AWG 18 WHITE 2 AWG 18 BLACK 3 2 MOLEX 5558 PBT p 34 39 00 0061 AWG 20 GREY MOLEX 5559 06P 39 01 208 V 4 AWG 20 BLUE F6 Bem 5 AWG 20 m X16 2 X AWG 18 4 X AWG 20 4xAWG 24 VIOLET 6 i SHIELD T4 ee 2 E 2 AWG 24 ORANGE sys 4 z AWG 24 BLACK E p 31 J MOLEX 5558 PBT Oo L 39 00 0067 Oed 12 Check after connecting the X17 connector into it s counterpart that GND wire pins matches 36 Instrumentarium Dental 51714 IMG rev 2 7 Changing the tube head 13 Attach the front cover and aluminum filter to the tube head Set the O ring in the filter 14 Put the back cover back in place 51714 IMG rev 2 Instrumentarium Dental 37 7 Changing the tube head 15 Fasten the scale ring so that the nodules of the scale ring will meet the hole in the cover Turn the ring step by step and wedge it with a screwdriver CAUTION After installation calibrate the unit Refer to chapter Calibration procedure of the unit 7 1 3 Reset the exposure counter Sr 3 Each unit has the counter which counts the number of the exposures The counter should be reset if the tube head has been changed Enter the service mode
3. Pared ede Sep Dena deas Vier Ba HORN E e ERa 20 5 Changing the generator board eeeeeeeeeeeeeeeeeeeeeeee enne nnne 23 5T FOG US NEUE CTS 23 5 1 1 Old units belore s n E 124945 veas hie ct Pa CU APT ennen renerne renen ene 23 5 1 2 Later units after s n F 12493 iure eo rrr aen re ee a a nens 23 5 27 IROCUS M SU tta i d A LM rd dE 25 6 Changing the horizontal arm eeseeeeeeeeeeeeeeeeeeee nennen nnne nennen nnne nnn 27 651 REMOVING Metal Mics ioa oct oie Acres eR o ebat ctu eon teste deu equ 27 6 2 Attaching the arm oaeo DOE ETT 27 6 3 Leveling the armos oe Hoe dados et cat au p outre bt abit eue 28 7 Changing the tube head eciciuicxicsec EE ELLE EDEL C a YEA EBEN UE RRR Re Erano IE EARS 29 dt FOCUS THEO D ee viser CERE UR E FARA EOM DRE Ero DA d nate EE 29 7 1 1 Changing the tube head v1 6 and 2 0 29 7 1 2 Upgrading the tube head V1 3 1 5 to 1 6 sss 32 7 1 8 Reset the exposure counter Sr 3 sessssseeeeeenneenns 38 L2 FOCUSMM 3 0 tubehead V3 0 uic taie iot Pe eie std eio ete ineo petii 39 7 2 1 Reset the exposure counter Sr 3 nid o o ep teased 43 51714 IMG rev 2 Instrumentarium Dental i 8 10 Ghanging the voltage EEN ED doe cirea es I ues Lina ER EC cwd aena OR bc exa a av nc rE ud a YE 45 RIO iiri cx 45 8 1 1 Changing or the external fuses ooi eat o cb eie en repete 46 Be FOGUS M 3 Uo et
4. adjust so called multiplier and offset value to correct the exposure level Multiplier is a variable in the exposure time formula of the AEC Multiplier alternatives are 7 5 7 4 2 1 7 3 5 2 3 1 7 2 and 4 1 Increasing the multiplier raises the exposure level and decreasing of the multiplier lowers the exposure level However in case of small attenuation for instance a bitewing image of a toothless patient AEC would produce too low exposure levels lt 80 if only multiplier value was adjusted Then also the offset value is needed to be set Offset value is a fixed amount of time that is added to every AEC exposure Offset alternatives are 0 1 2 3 4 5 6 7 8 9 and 10 milli seconds Before entering program Sr6 put AEC on and make an exposure of a 10 mm thick Al plate or any attenuation that is 10 mm Al eqvivalent and another exposure without anything but air between sensor and cone of FOCUS Both exposures with AEC 60 kV and as short distance as possible between the Sigma sensor and cone of FOCUS Check the exposure level percentage from the image information of both images If it is not between 80 and 100 in either image adjust multiplier and or offset as follows Multiplier 1 Enter the service program mode by setting the service switch to ON position Scroll with the arrow keys untill the Sr6 appears on the display Press the kV button to enter the program Scroll with the arrow keys until the Sr6 a
5. arm Perform the adjustment until the arm is horizontal Tighten the four lock screws on the side of the wall mounting bracket to assure that the horizontal arm stays in position 5 After adjusting the horizontal arm cut off the safety strap to release the scissors arm 28 Instrumentarium Dental 51714 IMG rev 2 7 Changing the tube head 7 Changing the tube head 7 1 The change of the tube head differ some depending on tube heads version Instructions for tube head versions W 3 0 are in chapter 7 2 W 1 6 and 2 0 are in chapter 7 1 1 B 1 3 to 1 5 are in chapter 7 1 2 The version number is shown on the cover of the tube head FOCUS 2 0 7 1 1 Changing the tube head v1 6 and 2 0 Tube head version 1 6 can be replaced with version 1 6 and version 2 0 or higher can be replaced with version 2 0 or higher NOTE Version 2 0 does not fit to units with tube head versions 1 3 to 1 6 because of the difference between main cables Tube head version 2 0 with new scissor arm main cable does not fit with old horizontal arm with generator board version 1 2 1 Switch off the unit and disconnect from the main 2 Release the angle ring with a screwdriver size 1 2x6 5x125 and remove the back cover 51714 IMG rev 2 3 Remove the O ring and the aluminum filter Instrumentarium Dental 29 7 Changing the tube head 4 Remove the tube heads front cover cable tie and tapes 5 Detach the Molex connectors
6. 1 1 3 Associated documentation 9225 2 retine ena o a TREND erne PINE 2 1 4 Servicing warnings and precautions sssssesseseeeeeeeennnn 2 2 Error messages and troubleShoOoting sccsseeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeseees Y 2 1 Error messages Mite AG Md Liane hasher badende EN bua te te a ile 7 3 Service mode uic inedit iconis Gra euer ci nacre ck aa dd S cp OG AGES ED Ka dud ex Eh NIRE dE cx cu DEIN IRE 9 cx MN See cuo ETE 9 3 1 1 Entering the service mode aiu ep esset eee 9 3 1 2 Error Tog Sr daas eot Bs is ei debt add duced ifa bad td darts aid du 9 3 1 9 Reset error log Sl e nest o e E oc i d ret rte bacs toate top Peu 9 3 1 4 Reset the exposure counter Sr 3 ssssss eene 9 31 5 SHOW t be type Sr VE iste tat et pete rentre nem a rca eie e arent 10 3 1 6 Calibration procedure of the Unit u sesseeeeeee reen 10 3 1 6 1 Calibration BR CR IE EH EP EC nnne 10 3 1 6 2 Calibration of AEC Sr Bai acsi rone e vtae ac 11 3 17 After the service Ep 12 3 2 FOCUS UM BOR a Nr sene eddike kel 13 3 2 1 Entering the service programs eecececeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeesenaeeeeees 13 3 2 2 Service programs on aote et toe eee tuta i b Ace nc mE 15 4 Upgrading the firmware creer arr ri rara aka cunda dk n mra 19 A d FOCUS TM S D apu oci edunt dici ae up DU ua eR nd ed ca nad tt n MR RE CR ED EE 19 4 2 FOCUS M 3 cessat Du nete
7. 3 Service mode 3 Service mode 51714 IMG rev 2 aD EH 3 1 FOCUS 2 0 3 1 1 Entering the service mode Set the CPU board s Serv switch to the ON position Serv D Q Test N LJ Z Press the D button on the remote control at least two seconds until Sr1 appears on the display Scroll with the arrow keys until the right service code appears on the display 3 1 2 Error log Sr 1 Press kV button to get in Sr1 You can view last ten error multification messages by browsing with arrow keys 3 1 3 Reset error log Sr 2 Press kV button when Sr 2 is selected in order to clear error log 3 1 4 Reset the exposure counter Sr 3 Each unit has the counter which counts the number of the exposures The counter should be reset if the tube head has been changed Enter the service mode Scroll with the arrow keys until Sr3 appears on the display Press kV button The unit beeps twice when the counter is reset Instrumentarium Dental 9 3 Service mode 3 1 5 Show tube type Sr 4 Scroll with arrow keys until sr 4 appears on the display Press kV button to enter the program Tube type is shown on the screen 3 1 6 Calibration procedure of the unit 3 1 6 1 Calibration The unit must be calibrated always after the tube head CPU board EPROM microchip or the voltage setting has been changed By calibration the tube current and preheat are adjusted into the l
8. 5 VAC line 103 126 VAC Voltage Fuse 230 Ine 6 25 ow blow 115 VAC line 6 25 A Slow blow NOTE Some countries and or localities may have regulations on fault current protection Such regulations must be observed Instrumentarium Dental 47 8 Changing the voltage 48 Instrumentarium Dental 51714 IMG rev 2 9 Setting the show mode 9 Setting the show mode 51714 IMG rev 2 9 1 FOCUS 2 0 The unit can be set on show mode which disables the exposure Otherwise the unit operates normally To set the show mode on switch off the unit and open the electronics Switch the TEST dip switch on Serv Q Test PO Z W On the generator board put on the jumper J1 W Disconnect the cables from the connectors X44 and X48 Insulate the wire ends with tape W Close the electronics To change the unit back into the operating mode perform this chapter in reversed order CAUTION Calibrate FOCUS when put back in exposure mode Instrumentarium Dental 49 9 Setting the show mode 9 2 FOCUS 3 0 The unit can be set on show mode with service program SR 8 which disables the exposure Otherwise the unit operates normally Show mode Sr 8 d on Demo mode on No radiation d off Demo mode off 1 Return the unit once on after setting the show mode 2 Cycle the power from power switch or press reset button on CPU board after setting the demo mode on off 3 S
9. AC X46 Lower 115 VAC External fuses 5A 230 VAC slow blow 8A 115 VAC slow blow Internal fuses 1A 230 VAC 1 6A 115 VAC Instrumentarium Dental 51714 IMG rev 2 5 Changing the generator board 5 2 FOCUS 3 0 CAUTION Assure that the unit is switched off and disconnected from mains prior to changing the electronics 1 Open 6 screws and carefully lower the bottom plate of the horizontal arm leaving it hang from the hangers 2 Disconnect the cables from connectors X31 X32 X37 X42 X47 X48 X50 X53 X54 two ground cables and all cables from the filter Loose also 2 screws from bottom which hold the metal cable holder in the middle 3 Hold the electronics and press the hangers The electronics will come off 51714 IMG rev 2 Instrumentarium Dental 25 5 Changing the generator board 4 Squeeze plastic holders to remove the CPU board carefully 5 Loosen the 6 screws that are holding the board and replace the generator board 6 To install the electronics back proceed as stated above in reverse order 26 Instrumentarium Dental 51714 IMG rev 2 6 Changing the horizontal arm 6 Changing the horizontal arm 51714 IMG rev 2 6 1 6 2 CAUTION Assure that the unit is switched off and disconnected from mains prior to changing the electronics Removing the arm 1 Set the FOCUS M in such position that the articulated arm is completely folded up Bind the arms together with a st
10. ENGLISH Focus Service Manual 51714 IMG rev 2 Copyright Manufactured by Code 51714 IMG rev2 Date 28 May 2012 Document code 51714 IMG1TPH 1 rev 2 Copyright O 05 2012 by PaloDEx Group Oy All rights reserved FOCUS is a registered trademark of Instrumentarium Dental Windows is trademark of Microsoft Corporation in the United States of America and other countries Documentation trademark and the software are copyrighted with all rights reserved Under the copyright laws the documentation may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or part without the prior written permission of Instrumentarium Dental The original language of this manual is English Instrumentarium Dental reserves the right to make changes in specification and features shown herein or discontinue the product described at any time without notice or obligation Contact your Instrumentarium Dental representative for the most current information CE 0537 Instrumentarium Dental PaloDEx Group Oy Nahkelantie 160 P O Box 20 FI 04300 Tuusula FINLAND Tel 358 10 270 2000 Fax 358 9 851 4048 For service contact your local distributor Table of Contents T UDFOGHUCHUO oo niic oen Eds MERECE Ebo Nuus T Esa EDU MEE L GM FlaE Rua EUM TA 1 1 1 FOCUS intraoral X ray Unb incepet on ib ehe eet apte bo eso bus 1 1 27 SCO DS E ed M Md aad LU A M her EPR aE
11. Enter the service program mode Scroll with the arrow keys until the Sr6 appears on the display Press the kV button to enter the program which is displayed as fraction Press the patient button to enter the offset level Select the offset value by scrolling with arrow keys Enter the user program mode Select 60 kV check that AEC is on led next to AUTO button is illuminating and make exposure without anything but air between the sensor and the cone of FOCUS Check the exposure level from the image information dialogue Make another adjustment if necessary enter the service program mode etc PC serial link Sr 7 on default enables software upgrade via cable off Show mode Sr 8 With this program x rays can be turned off e g in exhibitions d on Demo mode on No radiation d off Demo mode off Return the unit once on after setting the show mode Cycle the power from power switch or press reset button on CPU board after setting the demo mode on off Succesfully activated demo mode is indicated on the remote control panel on system start up deOn is shown on the display briefly during the startup Instrumentarium Dental 17 3 Service mode TOTAL RESET of EEPROM Sw 3 03 or newer Press kV UP arrow and D button simultaneously in case of malfunction Sw 3 01 3 02 Press kV and D button simultaneously in case of malfunction Turn the power off from the main switch make sure that the display is bla
12. Scroll with the arrow keys until Sr3 appears on the display Press kV button to reset the exposure counter when the tube head has been changed The unit beeps twice when the counter is reseted 38 Instrumentarium Dental 51714 IMG rev 2 7 Changing the tube head 7 2 FOCUS 3 0 tubehead v3 0 1 Switch off the unit and disconnect from the main 2 Release the angle ring with a screwdriver and remove the back cover 51714 IMG rev 2 Instrumentarium Dental 39 7 Changing the tube head 4 Remove the tube heads front cover cable tie and tapes 5 Detach the Molex connectors and ground cable from tube head Disengage the bottom screws from the locking plates and remove the screws 6 Replace the tube head with new one Remember to put the mylar coat between the bracket and the tube head Set the locking plates on the bottom of the bracket and tighten the screws with 0 5 Nm torque Use torque wrench If the torque wrench is not available use the similar tool like in the picture and tight the screws using only two fingers Do not use any glues Fix the locking plates around the bottom Screws CAUTION Excessive tightening may damage the tube head 40 Instrumentarium Dental 51714 IMG rev 2 7 Changing the tube head 7 Connect the molex connectors and screw down the ground cable Screw down the ground cable to the tube head bracket Bind the cables around the tube head with cable clamp and tape 9
13. and ground cable from tube head Disengage the bottom screws from the locking plates and remove the screws 6 Replace the tube head with new one Remember to put the mylar coat between the bracket and the tube head Set the locking plates on the bottom of the bracket and tighten the screws with 0 5 Nm torque Use torque wrench Do not use any glues Fix the locking plates around the bottom screws CAUTION Excessive tightening may damage the tube head 30 Instrumentarium Dental 51714 IMG rev 2 7 Changing the tube head 7 Connect the molex connectors and screw down the ground cable Screw down the ground cable to the tube head bracket 8 Bind the cables around the tube head with cable clamp and tape 9 Attach the front cover and aluminum filter to the tube head Set the O ring in to the filter 10 Put the back cover back in place 51714 IMG rev 2 Instrumentarium Dental 31 7 Changing the tube head 11 Fasten the angle ring so that the nodules of the angle ring will meet the hole in the cover Turn the ring step by step and wedge it with a screwdriver CAUTION After installation calibrate the unit See chapter Calibration procedure of the unit 7 1 2 Upgrading the tube head V1 3 1 5 to 1 6 1 Switch off the unit and disconnect from the main 2 Remove the angle ring Be careful not to scratch the covers 32 Instrumentarium Dental 51714 IMG rev 2 7 Changing the tube head 3 Remove the bac
14. bles back in if you remove the horizontal arm cap near the wall mounting and pull gently the cables by your hand from the end of the arm NOTE Do not pinch the wires between the horizontal arm and the bottom plate while lifting the electronics board 4 Make one test exposure to make sure that the unit works properly Instrumentarium Dental 51714 IMG rev 2 3 Service mode 3 2 FOCUS 3 0 3 2 1 Entering the service programs 1 Switch the power on 2 Display shows example 3 15 firmware number 0 063 Exposure time 3 To enter service programs press two buttons no 1 see picture below simultaneously NOTE The service mode is indicated by displaying Srv but only momentarily 4 Press D button 2 for two seconds to start service programs menu Focus 9 n 51714 IMG rev 2 Instrumentarium Dental 13 3 Service mode SNVaeSOdd JOIAH3S ICOW JOI H3S UU SINVHOOMHd dasn E SINVHOOMSd dasn E 51714 IMG rev 2 Instrumentarium Dental 14 51714 IMG rev 2 3 Service mode 3 2 2 Service programs Scroll with arrow keys no 3 until the right service program code appears on the display Each service program is entered by pressing kV no 4 Use kV button no 4 also to exit each service program and to save changed settings To exit service mode press D button no 2 for 2 seconds Three beep sounds confirm the return to the normal mode 1 Erro
15. e cable and cable sensor not connections ready E7 EEPROM 1 Reset parameters kV D failure 2 Change CPU Necessary Duty cycle Wait for tube to cool waiting time H2 Premature Acknowledge with UP or Note H2 button DOWN button flashes release alternately with elapsed exposure time Instrumentarium Dental 2 Error messages and troubleshooting Code Error or Action Failure H3 Door switch In case a door switch is in use error door close the door to enable open When exposure Otherwise check a door that the dipswitch no 1 is in on switch is position on the connection box connected board to the connection box H4 Door switch In case a door switch is in use error door close the door to enable open When exposure Otherwise check a door that the dipswitch no 2 is in on switch is position on the remote control connected board to the remote control H5 System in Go to the user mode by Service pressing two buttons mode simultaneously 1 IA AAA vVUUU WARNING m H6 Current Change resolution mode to Sigma minimum dose in CliniView clocking This error message may mode and appear only with CliniView 3 0 resolution or earlier selection do not support AEC H7 Exposure Too much attenuation between out of the sensor and the tube Check range that tube head and sensor are exposure correctly aligned cancelled in AEC mode Instrumentarium Dental 51714 IMG rev 2
16. entarium Dental 21 4 Upgrading the firmware Focus SW Update 22 Instrumentarium Dental 51714 IMG rev 2 5 Changing the generator board 5 Changing the generator board 51714 IMG rev 2 5 1 FOCUS 2 0 CAUTION Assure that the unit is switched off and disconnected from mains prior to changing the electronics Disconnect the cables F20 F5 F19 F25 GND F14 F18 F24 F9 F16 F23 F26 F27 F28 and all cables to the transformer 5 1 1 Old units before s n F1243 Remove the cable which comes from the scissors arm by opening the connectors X50 and X48 and disconnecting the ground cable 5 1 2 Later units after s n F1243 1 Disconnect the cables under the horizontal arm s cap 2 Remove the cable from the horizontal arm bracket by opening the connectors X42 and X47 and disconnecting the ground cable 3 Hold the electronics and press the hangers The electronics will come off 4 Loosen the screws that are holding the board and replace the generator board 5 Remove four nuts holding the CPU board and remove the CPU board carefully 6 To install the electronics back proceed as stated above in reverse order Remember to secure the cable that comes from the scissors arm with a cable tie 7 Before supplying the power to the unit check the voltage settings Instrumentarium Dental 23 5 Changing the generator board Connector 24 X45 Upper 230 V
17. g TEST dip on and turning FOCUS on and then switch TEST dip off Calibrating the unit Set the CPU board s Serv switch to the ON position and make sure that the Test switch is in the OFF position Press the D button on the remote control at least two seconds until Sr1 appears on the display Scroll with the arrow keys until the Sr5 appears on Instrumentarium Dental 19 4 Upgrading the firmware 20 4 2 the display Press the kV button until Ca1 appears on the display This calibrates mA value Press the exposure button until the unit beeps twice and Ca2 appears on the display Ca2 calibrates preheat 60 kV Repeat if not successful Press the exposure button until the unit beeps twice and Ca3 appears on the display Ca3 calibrates preheat 70 kV Repeat if not successful Press the exposure button until the unit beeps three times and Sr5 appears on the display The unit is now calibrated Press D button at least two seconds until the exposure time appears on the display Turn off the unit and set the serv switch off Finally lift the electronics back and tighten the screws NOTE Do not pinch the wires between the horizontal arm and the bottom plate while lifting the electronics board FOCUS 3 0 Firmware for the FOCUS 3 0 is delivered together with a PC application that uploads the firmware to the FOCUS unit through a serial connection Contact Ins
18. have no liability for consequential damages personal injury loss damage or expense directly or indirectly arising from the use of its products No agent distributor or other party is authorized to make any warranty or other liability on behalf of Instrumentarium Dental with respect to its products Instrumentarium Dental 5 1 Introduction 6 Instrumentarium Dental 51714 IMG rev 2 2 Error messages and troubleshooting 2 Error messages and troubleshooting 51714 IMG rev 2 2 1 Error messages The error messages are grouped into two categories User errors H and system fault errors E User errors must either be acknowledged or it will be removed once the error is corrected When system faults occur a service technician should be contacted Code Error or Action Failure E1 KV failure Check the fuses Check the cable connections Check LA1 light on the generator board ON Change the tube head OFF Change the generator module E2 MA failure Check the fuses Check the cable connections Switch off and on the unit and calibrate it Change the tube head E3 PREH Check the cable connections failure Switch off and on the unit and calibrate it Change the generator module E4 Tube head Wait for valid tube head too hot or temperature too cold E5 DC voltage Check the line voltage out of range Change the generator module E6 Sigma link Check Sigma FOCUS error or interfac
19. icing the X ray unit This is not a stand alone manual Refer the Associated documentation to operate and to install the X ray unit Only a trained and authorized service personnel are allowed to service the unit Disclaimer Instrumentarium Dental endeavors to produce product documentation that is accurate and up to date However our policy of continual product development may result in changes to products that are not reflected in the product documentation Therefore this document should be regarded as an infallible guide to current product specifications Instrumentarium Dental maintains the right to make changes and alterations without a prior notice Instrumentarium Dental 1 1 Introduction 1 3 Associated documentation 51774 FOCUSMM user manual translations available 51775 FOCUS Installation manual 208643 FOCUS Spare parts cataloque 1 4 Servicing warnings and precautions General precautions The FOCUS intraoral x ray unit must only be serviced and repaired by service personnel who have been trained and approved by Instrumentarium Dental This manual is an aid to servicing the units and is NOT a substitute for approved Instrumentarium Dental service training Before attempting to service a unit make sure that you know how to operate the FOCUS Read the FOCUS user s manual Only use original Instrumentarium Dental spare parts when repairing the unit or replacing parts Radiation Safety Before se
20. imits The calibration is performed with the nominal voltage 115 V or 230 V Scroll with the arrow keys until the Sr5 appears on the display Gir 5 Press the kV button once until Cal appears on the display Unit is ready for tube current 7mA calibration Press the exposure button until the unit beeps twice and Ca2 appears on the display You may need to press the exposure button several times until the calibration is succeeded L Unit is ready for 60kV preheat calibration Press the exposure button until the unit beeps twice and Ca3 appears on the display You may need to press the exposure button several times until the calibration is succeeded LR 3 Unit is ready for 70 kV preheat calibration Press the exposure button until the unit beeps three times and Sr5 appears on the display You may need to press the exposure button several times until the calibration is succeeded Instrumentarium Dental 51714 IMG rev 2 51714 IMG rev 2 3 Service mode Gir 5 The unit is now calibrated 3 1 6 2 Calibration of AEC Sr 6 NOTE This service program is used in units from s n 2141 and in units with FOCUS AEC kit installed In this service program you can calibrate AEC The calibration affects the exposure level that is shown with the image information The exposure level must be between 80 and 100 for a correctly working AEC and optimum image If the level is not within the range you can
21. ist wrap If an antistatic mat is used connect the wrist wrap to the carpet and the carpet to the ground potential Wash the wrist wrap and check that it is good condition frequently Explosion Hazard Certain disinfectants and cleaning agents may vaporize to form an explosive vapour If such chemicals are used the vapour should be allowed to disperse before switching the unit on Operating warnings and precautions The FOCUS intraoral x ray must only be used to take intraoral exposures It must not be used for any other purpose The unit or its accessories must not be modified altered or remanufactured in any way Repairing shall be performed by Instrumentarium Dental authorized service only As radiation safety and protection requirements vary from country to country and state to state it is the responsibility of the operator to ensure that all local and national radiation safety and protection requirements are met The use of ACCESSORY equipment not complying with the equivalent safety requirements of this equipment may lead to a reduced level of safety of the resulting system Consideration relating to the choice shall include use of the accessory in the PATIENT VICINITY evidence that the safety certification of the ACCESSORY has been performed in accordance to the appropriate IEC 601 1 or IEC 950 and or IEC 601 1 1 harmonized national standard Instrumentarium Dental 51714 IMG rev 2 51714 IMG rev 2 1 I
22. k cover of the tube head 5 Remove the tube heads front cover tapes and the cable tie 51714 IMG rev 2 Instrumentarium Dental 33 7 Changing the tube head 6 Cut the ground cable from the side of the soldered joint and unscrew the other ground cable from the tube head Detach the Molex cable connectors 7 Remove the screws and locking plates from the bottom of the bracket and remove the tube head 34 Instrumentarium Dental 51714 IMG rev 2 7 Changing the tube head 8 Remove the four screws from the base of the bracket Remove the bracket Set a new angle ring between the handle and the bracket 9 Place the main cable back to go through the bracket base hole and install the tube head bracket to the handle 10 Insert the new tube head in to the bracket and remember to set the mylar coat between the tube head and the bracket Set the locking plates on the bottom of the bracket and tighten the screws with 0 5Nm torgue Use torgue wrench Do not use any glues Fix the locking plates around the bottom screws Excessive tightening or using glue may damage the tube head 51714 IMG rev 2 Instrumentarium Dental 35 7 Changing the tube head NOTE f the removed tube head version was 1 3 or 1 4 the mylar coat has come with the spare part package 11 Connect a Molex pin to the ground wire of the main cable with special pincers and connect the ground wire to Molex connector according to the diagram below
23. kwise with a screwdriver The fuse with the base will come out m Remove the fuse from the base and replace it with the new one Repeat this with each fuse W Fasten the fuses by pushing the base up and twisting it clockwise with a screwdriver W Use only appropriate fuses External fuses 5A slow blow 230 VAC 8A slow blow 115 VAC 51714 IMG rev 2 Instrumentarium Dental 45 8 Changing the voltage Internal fuses 46 1A 230 VAC 1 6A 115 VAC 8 1 1 Changing of the external fuses iie Push upward on the fuse base and twist it counter clockwise with a screwdriver The fuse with the base will come out Remove the fuse from the base and replace it with the new one Repeat this with each fuse Fasten the fuses by pushing the base up and twisting it clockwise with the screwdriver Use only appropriate fuses External fuses 6 25 A slow blow 230 VAC 6 25 A slow blow 115 VAC Instrumentarium Dental 51714 IMG rev 2 51714 IMG rev 2 8 Changing the voltage 8 2 FOCUS 3 0 FOCUS 3 0 has an universal power supply that is readily functional with all specified operating voltages between 110V 240V The mains fuse is 6 25 A slow blow for mains voltages 8 2 1 Mains voltage Verify the main voltage 3 wire single phase 115V or 230V with protective ground Voltage Voltage range 230 Ine 20 253 11
24. nk or press the reset button on the CPU board to complete the total reset procedure Factory defaults are taken into use Calibrate the unit by exposing manually 60 kV 1 00 s exposures 8 times NOTE This resets all parameters in FOCUS Do not use unnecessarily Instrumentarium Dental 51714 IMG rev 2 4 Upgrading the firmware 4 Upgrading the firmware 51714 IMG rev 2 4 1 FOCUS 2 0 Upgrading the software for FOCUS 2 0 is performed by replacing the memory chip with the firmware Memory chips are available as a spare part Compatibility Table CPU Rem Rem Rem Conn Conn Gen Gen 1 0 1 0 1 2 AEC 1 0 AEC 1 0 2 1 1 0 1 01 SW X X X X X X X X 1 02 Sw X X X X X X X X 1 03 SW X X X X X X X X 2 20 Table 4 1 Rem Remote Control Conn Connection Box board 1 Gen Generator board Removing the old chip Switch off the unit and open the electronics Remove carefully the EPROM chip from the CPU board Use the specific chip extractor the example below by OK Industries In case no suitable tool is available remove the chip by rocking it little by little with the flat screwdriver from both ends Placing the new one Place the new EPROM carefully on the CPU board Take care that all pins of the chip fit the base If the pins are too wide to fit bend the pins carefully Restore the factory settings Restore the factory settings by switchin
25. ntroduction Unauthorized Modifications Unauthorized changes or modifications to any part of the unit or its equipment can have hazardous consequences Changes or modifications must not be made unless specifically authorized by Instrumentarium Dental When properly assembled with a compatible beamlimiting device the diagnostic source assembly will fully meet the United States of America Federal Performance Standards for Diagnostic X Ray Systems and their Components 21 CFR 1020 30 32 provided no components or parts are removed from the unit and no unauthorized adjustments are made to the beam limiting device or tube housing assembly Never remove or remanufacture any part of the tube head assembly or beam limiting device unless under the direction of Instrumentarium Dental or their authorized distributor Never adjust any part of the beam limiting device unless under the direction of Instrumentarium Dental or their authorized distributor Disposal At the end of the useful working life of the equipment and or its accessories make sure that you follow national and local regulations regarding the disposal of the equipment its accessories parts and materials The equipment includes some or all of the following parts that are made of or include materials that are non environmentally friendly or hazardous x ray tube head Pb Be and mineral oil all electronic circuit boards Disclaimer Instrumentarium Dental shall
26. o Eu eo otia uude eara bap Ep ke 47 8 2 1 Mains voltage iso ceo Ee ERI be rene cd pude Acme eter ngu cs 47 Setting the show mode 2 isses tec ii kaexiu auda acc cispa nip Er Drake Ra RO cH aaa RR ERE ELLLER 49 9apc cEOGUS TM D ees onset UL DEED ENIM EAE 49 9 2 e EOGOUSTM S eiue cto oo Propos e db ete ENEDES xoc b P dr ded ENE NES ae 50 iudi le e 51 TOT ECGUSTM 2D osa cate that ed bach ene een o oet d feeit wy ae ES eu e 51 10 2 FOCUS M30 eN ent dig beet teca pea ptio ad d te dub ae eiim 51 Instrumentarium Dental 51714 IMG rev 2 1 Introduction 1 Introduction 51714 IMG rev 2 1 1 1 2 FOCUS intraoral X ray unit FOCUS is a micro processor controlled intraoral X ray unit with a HF DC generator which produces high quality dental images with film or digital receptors A well balanced support arm is easy to move and very stable keeping the unit motionless during the exposure This manual supports two FOCUS intraoral X ray major design revisions namely version 2 0 and version 3 0 See the correct chapter of the manual for each revision in a case they differ Note that spare parts should also be ordered accordingly The correct design revision can be recognized from the serial number of the X ray device as follows Version serial number FOCUS 2 0 5000 7999 FOCUS 3 0 8000 Scope This document supplements User Manual and Installation manual for serv
27. ppears on the display Press the kV button to enter the program 2 You can scroll through the multipliers with arrow keys Choose the multiplier Instrumentarium Dental 11 3 Service mode Enter the user program mode by setting the service switch to OFF position Select 60 kV check that AEC is on led next to AEC button is illuminating and make an exposure of the Al plate Check the exposure level from the image information dialogue Make another adjustment if necessary enter the service program mode etc Offset 1 Enter the service program mode by setting the service switch to ON position Scroll with the arrow keys until the Sr6 appears on the dispaly Press the kV button to enter the program which is dispayed as fraction Press the patient button to enter the offset level Select the offset value by scrolling with arrow keys Enter the user program mode by setting service switch to OFF position Select 60 kV check that AEC is on led next to AEC button is illuminating and make exposure without anything but air between the sensor and the cone of FOCUS Check the exposure level from the image information dialogue Make another adjustment if necessary enter the service program mode etc 3 1 7 After the service 1 Exit service program by pressing the D button until the exposure time appears on the display Set the service and test switches off Lift the electronics It is easier to slide the ca
28. r log Sr 1 Press kV button to get in Sr1 You can view last ten error notification messages by browsing with arrow keys 2 Reseterror log Sr2 Press kV button when Sr 2 is selected in order to clear error log 3 Reset the exposure counter Sr 3 Press kV button to reset the exposure counter when the tube head has been changed The unit beeps twice when the counter is reseted 4 Show tube type Sr 4 Tube type is shown on the screen TOS Toshiba 5 Calibration procedure of the unit Sr 5 This is not needed in FOCUS R3 0 starting from s n 8000 The unit calibrates itself automatically after every exposure Calibrate the unit by exposing manually 60 kV 1 00 s exposures 8 times This calibrates filament preheat and tube current Instrumentarium Dental 15 3 Service mode Calibration of AEC Automatic Exposure Control Sr 6 This program calibrates AEC The calibration affects the exposure level that is shown with the image information in CliniView The exposure level must be between 80 and 100 for a correctly working AEC and optimum image otherwise you should adjust so called multiplier and offset value to correct the exposure level Multiplier is a variable in the exposure time formula of the AEC Multiplier alternatives are 7 5 7 4 2 1 7 3 5 2 3 1 7 2 and 4 1 Increasing the multiplier raises and decreasing lowers the exposure level However in case of small attenuation for instance a bitewing image of a too
29. rap Remove horizontal arm plugs at the both ends Remove the friction brakes Remove the electronics as per the chapter Changing the generator board Lift up the articulated arm from top of the horizontal arm and assure that the cables can follow freely The arms must be lifted carefully direct upwards because of the close fit of the shafts Detach the covers of the connection box Undo the couplings between the connection box and the horizontal arm Lift up the horizontal arm Remove the adjustable brakes from both ends of the horizontal arm Attaching the arm 1 The new horizontal arm profile incorporates the shaft and bearings Lift the horizontal arm to its place and attach the nuts Note that there are two nuts on each side of the wall mounting bracket Leave the nuts slack to allow for leveling Route the cables from the connection box through the shaft of the new horizontal arm Install the electronics back in position and make the couplings Adjust the wall mounting arm bracket by means of a level there is x2 adjustment allowance Repeat the assembly of the unit according to the Unit Installation Manual Instrumentarium Dental 27 6 Changing the horizontal arm 6 3 Leveling the arm 1 Loosen the nuts on both sides of the horizontal arm bracket 2 Locate the adjuster screw in the adjustment plate below the shaft Rotate the adjuster screw observing at the same time the level on the horizontal
30. rvicing the unit familiarize yourself with local and national radiation safety standards and requirements relating to dental x ray equipment If you need to take test exposures you MUST take adequate steps to protect yourself from radiation Use a lead apron or stand behind a suitable radiation shield In addition when taking exposures stand at least two meters six feet from the FOCUS M Mechanical safety Switch the power off and disconnect the unit from the main power supply before removing any covers Disconnect the unit from the main power supply before repairing or replacing mechanical parts Be careful when handling the unit not to get body parts or clothing trapped between the articulated arm When replacing the tube head handle the articulated are carefully as it will move suddenly when the tube head is removed Instrumentarium Dental 51714 IMG rev 2 51714 IMG rev 2 1 Introduction Electrical Safety Switch the power off and disconnect the unit from the main power supply before replacing circuit boards or other electrical components If there are capacitors on a circuit board or electrical component wait ten 10 minutes after disconnecting the unit from the power supply before handling the board or component Live electrical terminals are potentially dangerous Make sure that main power supply is OFF before removing covers or circuit boards This equipment should be used only in areas that are provided
31. thless patient AEC would produce too low exposure levels lt 80 if only multiplier value was adjusted Then also the offset value is needed to be set Offset value is a fixed amount of time that is added to every AEC exposure Offset alternatives are 0 1 2 3 4 5 6 7 8 9 and 10 milli seconds Before entering Sr6 put AEC on and make an exposure of a 10 mm thick Al plate or any attenuation that is 10 mm Al equivalent and another exposure without anything but air between sensor and cone of FOCUS Both exposures with AEC 60 kV and as short distance as possible between the Sigma sensor and cone of FOCUS Check the exposure level percentage from the image information of both images If it is not between 80 and 100 in either image adjust multiplier and or offset as follows Instrumentarium Dental 51714 IMG rev 2 51714 IMG rev 2 3 Service mode Multiplier 1 Enter the service program mode Scroll with the arrow keys untill the Sr6 appears on the display Press the kV button to enter the program which is displayed as fraction You can scroll through the multipliers with arrow keys Choose the multiplier Enter the user program mode Select 60 kV check that AEC is on led next to AUTO button is illuminating and make an exposure of the Al plate Check the exposure level from the image information dialogue Make another adjustment if necessary enter the service program mode etc Offset 1
32. trumentarium Dental technical support for the latest firmware package as when an upgrade is needed Compatibility Table CPU Control Control Control Genera Genera Genera Tube Tube 1 0 Panel Panel Panel tor tor torRev head head 1 1 1 2 2 0 Rev 1 Rev 2 3 1 0 1 1 SW X X X X X X X X 3 00 SW X X X X X X X X 3 01 SW X X X X X X X X X 3 02 SW X X X X X X X X X 3 03 SW X X X X X X X X X 3 10 SW X X X X X X X X X 3 11 Instrumentarium Dental 51714 IMG rev 2 4 Upgrading the firmware CPU Control Control Control Genera Genera Genera Tube Tube 1 0 Panel Panel Panel tor tor torRev head head 1 1 1 2 2 0 Rev 1 Rev 2 3 1 0 1 1 SW X X X X X X X X X 3 12 SW X X X X X X X X X 3 13 SW X X X X X X X X X 3 14 SW X X X X X X X X X 3 15 SW X X X X X X X X X 3 16 1 Copy the FOCUS service software to a computer with a serial port 2 Connect the PC to the FOCUS service connector with a null modem cable 3 Launch the FOCUS service software application click the Update Focus SW button rest Focus Service SW x Update Focus Sw Configure Focus Unit 4 Verify that the service software is ready to upload the correct firmware version and click Update Follow the instructions of the software NOTE The Update version for this SW is INTR 3 16 51714 IMG rev 2 Instrum
33. uccessfully activated demo mode is indicated on the remote control panel on system start up 4 deOn is shown on the display briefly during the startup 50 Instrumentarium Dental 51714 IMG rev 2 10 After the service 10 After the service 51714 IMG rev 2 10 1 10 2 NOTE Collect all tools and test material from site FOCUSTM 2 0 1 Exit service program by pressing the D button until the exposure time appears on the display Set the service and test switches off Lift the electronics It is easier to slide the cables back in if you remove the horizontal arm cap near the wall mounting and pull gently the cables by your hand from the end of the arm NOTE Do not pinch the wires between the horizontal arm and the bottom plate while lifting the electronics board FOCUS 3 0 1 Exit service program by pressing the D button until the exposure time appears on the display Power off the unit Lift the electronics It is easier to slide the cables back in if you remove the horizontal arm cap near the wall mounting and pull gently the cables by your hand from the end of the arm NOTE Do not pinch the wires between the horizontal arm and the bottom plate while lifting the electronics board Instrumentarium Dental 51 10 After the service 52 Instrumentarium Dental 51714 IMG rev 2
34. with a protective earth connection to ensure an equipotential ground connection Before cleaning or disinfecting the unit switch the main power supply off Electrostatic discharge Electrostatic Discharge ESD can damage or destroy electronic components A static electricity charge builds up in everyone The build up is due to movement humidity the person s clothing and the conductivity of the floor If anyone charged with static electricity touches a electronic component the static electricity will discharge through the component and can damage or destroy it Note that components damaged by electrostatic discharge can fail at a later date When servicing the unit take proper precautions to avoid electrostatic build up and discharge ESD Follow the recommendations for the prevention of ESD that are used in the country in which you are working If no recommendations are available follow the guide lines below Before handling any electrical parts or components make sure that any static electricity charge that has built up in you body is discharged When handling electrical parts or components use an elasticated wrist wrap which is connected to a ground point through a 1 Mohm current limiting cable For a ground point use water pipes radiators or other Instrumentarium Dental 3 1 Introduction objects that are known to be connected to the ground Also use a cable to connect the unit to the same ground potential as the wr
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