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1. A GUIPC R3300 134204 R5100 FSP180 50MP ATXPWR 101 BOARD GND 4 3ph STEPPER ATX POWER i i H 5v 5 E R4000 r Fe 20 102 BOARD Red 4 GND 34204 16 5v 5100 N R3900 En 3ph STEPPER CONNECTOR BOARD GUI MONITOR Re 35101 Ll S 33911 J3912 dr I MB 1 GND 12v TIP x T2v 34003 33206 4 IGND R5100 2 GND GND RING x GND 28v 1 1 28v 4204 16 5v MOTION 3 H2v GND 2 2 GND GND 4 J2001 J5101 Ll 4 12v 5v 3 3 n 55 7 1_ 28v i ial GND 4 4 GND 28v 6 13 X 4 GND R3100 7v5 14 16 5v POWER SUPPLY 5 y3103 P2 R3200 CPU MAINS 1 TP 7v5 R3400 R5100 TR
2. X movements CPU BOARD EXTIO 3 phase stepper R3200 R3300 module R5100 35101 DEE y e Bal PGND 35102 33211 33307 FO 13 8 HI CURR Uoh 1 100Mb 1 1 100Mb x 1 701 CLK Von 2 gt gt VHDL SW A 3 VHDL SW Pox H y Wot 3 8 8 2 12 DIR Eth PHY Eth PHY PIO x z sl SE ris 17 PIO x ale f f 5 9 El 3 pa 6 1 Toon 13 ave 2 ku 15 al Ap 0121 Blaise 29 2 Hs 16 8V 100Mb Ethernet Switch 3 s2lasl2712012 He 8V3 Teo 4601 1 1 2 LEFT 2 N4600 Exposure Switch MIDLE O GES Xemotion Optos Ss H El sl ei is 6 6 Remote Controller 102 R4300 R3400 33403 Mr A mes VHDL sw 100Mb 77 ES A Pox Eth PHY 9 pa 12 Y movements Exposure Switch 101 R3300 13306 33307 os PIO_x 100Mb 1 gt 2 1 A Z hava H BE sw Eth PHY S Remote Controller 102 R4300 R3400 Y n E h 0 KS Le _ N e S PIO x PIO x z 1 BACK z N4600 ex 12 7 PIO
3. CPU BOARD PANORAMA R3200 CCD CAMERA y J3210 1Gb 1 VHDL SW Eth PHY 8 PANORAMA INTERFACE PANORAMA INTERFACE R4900 R4900 33208 J4904 J4902 J4902 J4901 x190 R Ilea E MIL 40 40 401 LVDS Jan 401 40 DDRAM MEM PANORAMA POWER R3500 33202 33503 T CCD ENA i 12 4 J3502 x191 POWER SUPPLY A E R3100 GND 3 4 3 4 A J3102 sava 56 56 328 t IL 15V 7 8 7 8 8 43501 3V 9 10 9 10 10 1 28v 9V 11 12 11 12 6 2 GND 5V 13 14 13 14 3 5v enD 15 16 _ 15 16 4 GND Problem 4 1 CCD sensor is not recognized Action Check the condition of the power supply by following trouble shooting instruc tions Problem 3 5 The panorama imaging not functioning Bypass the installed LVDS data cable by using a separate cable and connect it between the two R4900 panorama interface boards J4902 lt gt J4902 Reboot the unit 0 O If CCD sensor is recognized then replace original cable If CCD sensor is not recognized then replace the R4900 attached to R3200 and reboot If CCD sensor is recognized then the replaced R4900 was f
4. EXPOSURE CHAIN EXTIO 100Mb Ethernet Switch CPU BOARD R3300 R3200 13307 33311 y y 100mb i 100Mb VHDL SW 33303 33202 Exposure switch PIO X gt 6 LENC_SYNC 6 PIO X S EXPOSE PIO X 32002 13306 7 1 T 8 14 2 EXP 33314 D X RAY GENERATOR y 1 EXP ENA R3800 PIQ X 2 3810 ba L 3 EREH_ENA 1 dei EXP ENA 4 DERAY_ENA S L 3 PREH ENA HH 13315 33807 Rotation opto au 1 1 R4100 Lo Let Ro X o AB 2 2 PREHMA REF t 1 1 son eE D 3 3 MA REF 2 Enc PIO X p Ab 4 4 Encoder VEL 3 ENCZ Ih PO Xx LA 5 5 gt KV_REF 4 HOME Ir POX lt 6 6 TUBE TEMP Home Ay s PANLIM PO X 7 7 l 6 6 Gei Ja lt 8 8 RV FB Panorama PAN IL l f 14 d lt 9 ak MA FB Umit NN Gei Ja 10 10 El D sin 1 PREHEAT FB PIO_X d 12 12 TUBE FAIL PIO X 1 13 PIO X POX 14 14K BACKUP PIO_X 15 15 OR PIO_X PIO_X mes ert Problem 7 1 No X rays Action Check condition of the power supply by following trouble shooting instructions for Problem 2 4 No X rays Check the condition of the exposure control by following trouble shooting in structions for Problem 6 2 Exposure sequence starts but no X rays Set the unit to imaging mode CT or Pan disable movements press exposure switch and check the status of the Preheat LED D3 on the R3800
5. X movement Rotating unit S movement Slit C movement Collimator D movement z Panoramic detector Rotating unit R movement C movement Collimator Collimator Adjusts the position of the collimator Used for the different imaging programs Motor Stepper inside the tubehead assembly D movement Panoramic detector Optional Rotates the panoramic detector into the panoramic exposure position Motor Stepper inside the detector head R movement Rotating unit Rotating unit Rotating movement of the rotating unit Used to take exposures Motor stepper in the top of the rotating unit Service Manual 203025 Zz 2 Mechanical description CBCT unit S movement Slit The beam limiting device slit Adjusts the width of the beam limiting device slit Used for the different imaging programs Motor Stepper inside the tubehead assembly X movement Rotating unit Rotating unit Left right movement of the rotating unit Used to move the rotating unit during patient positioning Motor Stepper under in the top shelf 2 12 Service Manual 203025 CBCT unit 2 Mechanical description J movement Patient support assembly Z movement Chair J movement Patient support assembly Patient support assembly Up down movement of the patient support assembly Used to adjust the angle of the patient s head Motor DC in the chinrest support Y movement Chair Chair Backwards forwards
6. viii Service Manual 203025 CBCT unit A Siena tants tal 7 15 A A 7 15 o eco E E 7 16 ET eebe 7 17 Enron Teese escent ba 7 18 o A A 7 19 Eror O roda 7 19 Eror E 7 19 A 7 20 ENEE 7 21 EE EE 7 21 EMO ada ata 7 22 ENEE 7 22 ENDURO aia sad 7 22 ENEE 7 23 Error 28 rin a e e aaa 7 23 Error E 7 23 Error 3O EE 7 24 EMOS intrincada 7 24 Error I2 li tia 7 24 Error CUNO MUNDO stilo 7 24 A AAPP NEETER EE EEE EEE EEEE 7 25 7 9 Trouble SG OO D 7 26 1 Internal and external ANS 7 26 Problem 1 1 No connection to the workstation DND 7 26 Problem 1 2 Connection to workstation breaks from time to time 7 27 Problem 1 3 No connection to R3300 R3400 or GUI PC internal bus failure 7 27 Problem 1 4 No connection to RSGOO usina din 7 28 Problem 1 5 No connections to R3400 accord 7 28 Problem 1 6 No connections to the GUI PC oocococccicnacacacinoninnininnonenonrororironononos 7 28 2 Power distribution MAIS ueno ipod 7 29 Problem 2 1 Nothing happens when the unit is switched ON 7 29 Problem 2 2 Chair does not move UP or down 7 30 Problem 2 3 GUI PC not working cs amo a 7 30 Problem A NO AVOIR da 7 30 Service Manual 203025 ix CBCT unit 3 Power distribution low vohtages Auen 7 31 Problem 3 1 The GUI starts but nothing else happens when the unit is switched ON 7 31 Problem 3 2 No X H Detector sw
7. Unit specific commands help receive image from the device reserve device quit xcc lt r3200 r3300 r3400 gui gt core update xf firmware update 3 Then key in xf and then press ENTER NOTE If a message appears asking you to switch the unit off ignore the message press any key and then retype xf and press ENTER FE HE HEE HE TE FE FE E HE E AE FE FE FE FE E E FE FE FE FE FE FE AE E FE FE FE FE FE E E E AE FE FE FE FE E E E FE FE FE FE FE AE E FE FE FE FE FE HE E HE E FE HE HE Unit must be restarted after core update During the upload the transfer information will ap pear in the s2terminal window The xf command updates the main embedded software on R3200 the main CPU cbctfw srec The xf update will be activated immediately after it has been updated 4 Use the login command to verify that the updating was successful Service Manual 203025 6 15 6 The s2terminal and service functions CBCT unit 6 16 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 7 Error Codes and Trouble Shooting 7 1 Initial actions Error Codes When an error code appears on the display the unit will stop working and cannot be operated while the er ror code is on the display Restarting the unit If an error code appears or the unit fails to operate in the way described in the user s manual switch the unit off wait for a few seconds and then switch the unit on again If the erro
8. 3 Electrical description 1001 35203 15201 Exposure Touch screen R5200 ESD GUI EMERGENCY 1 Ggs J1002 J4301 Remote controller Gigabit Work Station J1003 Waming Service Manual 203025 Low power vviring 1 3 Electrical description Rotator detector 103328 flat panel FGNDdig CCD sensor R4000 5V0 optional board connector J4004 J3701 R3700 mains X ray inlet PSU J3704 J3703 J3801 J3802 R3800 X ray generator 3 10 Service Manual 203025 CBCT Low power vviring 2 Low power wiring 1 Electric Flat display Service Manual 203025 Ethernet switch 7V5 GND Han 3 Electrical description NIC Back Column Gi E gt Q oz FD gt a er R3100 oun Transformer PSU po Nacl EE J3104 vac gt GE Es Front Column Mains power vviring 1 3 Electrical description CBCT Rotator X RAY PSU MAINS FILTER mmm 1 Lu Kl D mm mm A Upper O EE J2008 Back j Column Electric MV isolation Static shield 8 24Vac Mains 12Vac J3906 12Vac Mains transformer _ 12Vac 1 T1 4 43902 33904 a 3008 R3900 Li Y Mains power wiring 2 connector 3 12 Service Manual 203025 CBCT Mains povver vviring 2 PSU I
9. Check the mains voltage distribution by following trouble shooting instruction for Problem 2 2 Chair does not move up or down Check low voltage distribution by following trouble shooting instruction for Prob lem 3 7 R3200 R3300 or R3400 does not operate Check condition of the remote control with the s2terminal command systemsta tus o If some of buttons do not change status then replace the remote control gt If that does not fix the problem then check cable from the electric cabinet to J3401 Replace if faulty gt gt If that does not fix the problem replace R3400 o If key statuses change then check that LED s D16 D18 and D15 down ena and up come on when up or down keys are pressed gt If LED s do not come on then replace R3400 Service Manual 203025 7 49 7 Error Codes and Trouble Shooting CBCT unit gt If LED s come on then measure voltage from connector J3413 Pins 1 and 2 are active when driven UP and pins 3 and 2 are active when driven DOWN gt gt If there is mains voltage at the connector replace chair lift gt gt If there is no mains voltage replace R3400 Problem 9 2 Chair moves in one direction only Action Check low voltage distribution by following trouble shooting instruction for Prob lem 3 7 R3200 R3300 or R3400 does not operate Check that Z limit indicator LED s D30 lower limit and D31 upper limit ac cording to the drive direction are not on O If a LED is on an
10. CAUSE B R3200 CPU does not get the correct information from R4200 Collimator opto SOLUTION B Check 1 Switch unit off 30 seconds and back on again and see if the collimator moves during initialization Check 2 Use the s2terminal service program to check sensor and motor operation Service Manual 203025 A 7 Error Codes and Trouble Shooting CBCT unit 7 12 Collimator does not move E iii Vi Check that R5100 3 phase stepper driver that drives the collimator is receiving power the 5V and 28 V LED s must be on If not check the low power schematic to locate the problem Check the wiring between the C motor and R5100 3 phase stepper driver Replace if faulty Check the wiring between R3300 IO1 and R5100 3 phase stepper driver J3311 J5101 Replace if faulty Check R5100 3 phase stepper driver replace if faulty Check R3300 IO1 replace if faulty Replace the C motor Collimator Collimator moves but cannot find its correct posi tion lii Check the wiring between R4200 Collimator opto and R3300 101 J4201 J3316 Replace if faulty Check R4200 Collimator opto Replace if faulty Replace R3300 101 board Service Manual 203025 CBCT unit Error 8 Service Manual 203025 7 Error Codes and Trouble Shooting Collimator slit motor failed CAUSE A Slit movement stopped by mechanical part s SOLUTION A Select different programs and take images in the test mode no X ray
11. O 7 42 If it does not come on then check the condition of the cable between con nectors J3314 and J3810 If cable is faulty replaced it If cable is OK replace R3800 If LED comes on then check status of the exposure LED D31 on the R3800 If LED does not come on then check condition of the cable between con nectors J3314 and J3810 gt gt If cable is faulty replace it gt gt If cable is OK check to see if the FAIL LED has come on gt gt gt If not replace R3800 gt gt gt If FAIL LED still does not come on replace tubehead Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Problem 7 2 Wrong dose generated too dark or light images Action Check condition of the power feed by following trouble shooting instructions in Problem 2 4 No X rays Check that the unit has been calibrated Preheat check Set the unit to the 3D imaging mode type patient from s2terminal adjust mA settings from GUI and measure respective voltages from TP11 on R3800 Pre heat reference 0 mA check If voltages differ from below then replace R3300 8mA lt gt 1 54V 10mA lt gt 1 59V 12 5mA lt gt 1 65V 15mA lt gt 1 70V If not then set mA settings to 15mA and measure voltage from TP15 pre heat feedback when exposure is taken If voltage is not 0 58V then replace R3800 gt gt If it is still not 0 58V replace the tubehead Set the unit to the 3D imaging mode ty
12. 10 Replacing parts Secure the CMOS sensor in position with the other two support bars Do not fully tighten the sensor yet as the unit must be calibrated and aligned Connect all the connectors and reattach R4700 3D panel power supply Recalibrate and align the unit Refer to 9 Unit cali bration and adjustment Replace all the covers 10 13 10 Replacing parts CBCT unit 10 3 The panoramic CCD sensor 1 Follovv steps 1 6 in section 10 2 Replacing the 3 D CMOS sensor steps to remove the covers from the sensor side of the rotating unit Remove the CCD sensor cover 1 and then the CCD sensor 2 3 Install the new CCD sensor and replace the CCD sensor cover 10 14 Service Manual 203025 CBCT unit 10 Replacing parts 4 Recalibrate and align the unit Refer to 9 Unit cali bration and adjustment 5 Replace all the covers CAUTION Before replacing the covers check that there are no foreign objects or dirt on the optosensor actua tor disk plate that could cause the optosensor to malfunction zoz 1891 get Ke nee o KE Service Manual 203025 10 15 10 Replacing parts CBCT unit 10 4 The chair motor 1 If the chair can still be operated drive it to the low est position If the chair cannot be operated it must be manual moved to its lowest position This can be done after steps 2 9 have been completed 2 Remove the seat and backrest upholstery from the chair They can be simp
13. 7 Remove the six 6 screws that hold the sensor front cover in position Service Manual 203025 10 9 10 Replacing parts CBCT unit Carefully remove the cover 8 Disconnect the tvvo cables from the CMOS sensor the cables go to R4700 3D panel povver sup ply and then remove the four 4 screws that hold R4700 in position and lift it up slightly so that the CMOS sensor assembly can be removed more easily 10 10 Service Manual 203025 CBCT unit 10 Replacing parts 9 The CMOS sensor is held in position vvith three support strips The upper and lovver support bars also allovv the position of the CMOS sensor as sembly to be adjusted The middle support strip serves as a safety bar so that the CMOS sensor will remain in place when the other screws are re moved Remove the screws A from the upper and lower support bars Loosen the middle support bar screws B 10 Slide the CMOS sensor assembly up and then remove it Service Manual 203025 OA 10 Replacing parts CBCT unit 11 Remove the middle support bar from the back of the faulty CMOS sensor assembly and attach it loosely to the new CMOS assembly A sa KE T EE AR ey ee d 12 Attach the new CMOS sensor assembly to the sensor frame Make sure that the middle support bar is located in the slot in the middle of the sensor frame 10 12 Service Manual 203025 CBCT unit Service Manual 203025 13 14 15 16
14. 8 23 8 Unit calibration and adjustment CBCT unit Adjusting the collimator 1 Loosen the four 4 nuts at the rear of the collima tor 4 x M4 mm nuts at the rear of the collimator o 3 NU ds Ll Wed ge Bt ed gt i es Z af P SZ KE ei S e 3 GER M a N E Be ree e z a _ aap d A y ae D SH a Adjusting screws for top of collimator Adjusting screws for complete collimator 2 For FOV height fail adjust the top of the collimator with the adjusting screws For Collimator fail adjust the vertical position of the complete collimator Turning the screws clock wise will move the collimator down and counter clockwise will move the collimator up a Retighten the nuts and repeat the calibration Re adjust if necessary After the successful completion of ColY the 3D col limator is correctly positioned in the Y plane 8 24 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 7 Slit X position Checks the horizontal position of the 3D aperture Service Manual 203025 Prerequisites ColY 1 The unit must be in the same position as for the calibration test ColY Select Slit X Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 30 seconds When the calibration is complete images will ap pear on the PC The calibration information that appears on the im ages is as
15. CCD X position Checks the horizontal position and tilt of the pano ramic sensor Panoramic version only Slit size Calibrates the slit opening size for the 3D FOVs Service Manual 203025 CBCT unit Service Manual 203025 8 Unit calibration and adjustment 11 Collimator X panorama Chects the height of the panoramic image Panoramic version only 12 CCD pixels Calibrates the panoramic sensor gain and dark current Panoramic version only 13 Pixel calibration Calibrates the 3D sensor gain and dark 14 CCD EPS Checks the horizontal position of the panoramic sensor Panoramic version only 15 Quality Check Calibrates that the unit reads the different densi ties correctly The positions of the laser lights can also be manually checked Optional dose calibrations The nominal DAP Dose Area Product value factory setting is sufficient for normal use However if you want a more accurate value measure the DAP value using a DAP meter and then use this value instead 16 Dose small Allows the dose to be selected for the small 3D program 17 Dose large Allows the dose to be selected for the large 3D program 18 Dose adult panorama Allows the dose to be selected for the adult pan program Panoramic version only 19 Dose child panorama Allows the dose to be selected for the child pan program Panoramic version only 8 Unit calibration and adjustment CBCT unit 8 5 When to calibra
16. EhpHy le al i i GUI PC I PORT n PORT H sg Na e oe EthPHY 27 8 i i SBR3D i UNIVERSE Problem 1 1 No connection to the workstation WS Action Check Ethernet connections from WS and or local network 0 Reconnect the Ethernet cable to the WS or local switch router Check condition of the External Ethernet cable O Replace whole cable track in upper shelf if cable is broken Switch the unit off and connect the external 1GB Ethernet cable to the Service PC open the s2terminal and switch the unit on again Check that the login infor mation appears in the s2terminal 0 7 26 If login info appears then the Ethernet Card in the WS is faulty or the soft ware is corrupted or the network is misconfigured If the login info does not appear then open the outer cover from the sen sor side of the rotator Switch the unit on and check that R3200 is receiving power see problem 3 7 R3200 R3300 or R3400 does not operate Connect the service PC directly to J3210 on R3200 using separate Ether net cable Reboot the unit and check that login info appears in the s2termi nal gt gt If login info appears the external Ethernet cable is faulty Replace the whole cable track in upper shelf gt gt If login info does not appear then the R3200 is not programmed or faulty Replace R3200 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Problem 1 2 Connection to workstation breaks
17. xx Passed Field uniformity xxx Passed Signal level xxxx Passed Dark level xxx Passed The edge s of collimator must not be visible on the edges of the image There must be no unexpected shadows 8 Unit calibration and adjustment CBCT unit GI detector calibration GQ m Tu 09 Passed Field uniformity 735 Passed Signalleyel 5109 Passed Dems leave UES After successful completion the 3D detector is calibrat ed the X ray field is uniform and the X ray intensity level is correct 8 40 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 14 CCD EPS Chects the horizontal position of the pan detector Precondition CCD X 1 The unit must be in the same position as for the calibration test ColY 3 Press the return key Pr 2 Select CCD EPS eg 3 Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 30 seconds When the calibration is complete an image will ap pear on the PC eu EPS To be correctly positioned Passed the exposed area black must be in or near the middle of the pan detector field You must be able to see some gray on both sides of the exposed black area If the beam is not in the correct horizontal position adjust the position of the panoramic detector CCD X position If the beam is not correct vertical position adjust the position of the collimator Col limator Y position After su
18. 43 8 Unit calibration and adjustment CBCT unit 4a989fee b925 4284 83dd 972002 1c1c02 dem Measurement results PMMA minimum RO value 46 BMMA maximum Roly alu EMMA maximum std dev EIEE RONS FE EMRE std dew 102 References values MAR NOTE When the position lights are correctly positioned you will see a hole inside the bottom circle and cross hairs inside the top circle when you scroll through the vol ume This indicates that the phantom is vertical After successful completion the unit is able to read the different densities correctly 8 44 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 16 Dose calibrations The Dose calibrations por 16 Dose small Dose small Ka gt Suse 17 Dose large 18 Dose adult pan 19 Dose child pan z are all carried out in the same way 1 Select the Dose small program 2 Open Scanora 3 0 3D imaging program Service Manual 203025 8 45 8 Unit calibration and adjustment CBCT unit 3 Protect yourself from radiation Press and hold down exposure button The dose calibration will take a few seconds The Enter Dose Value window will open Dose mGycm 2 Enter Dose value 260 in Dose mGycm field and click OK 4 Repeat the process for the 17 Dose large Enter dose value High resolution large 530 18 Dose adult pan Enter dose value 112 19 Dose child pan Enter dose value 60
19. A R3200 CPU does not receive the correct information from rotating position sensor N4100 SOLUTION A Check 1 Switch unit off 30 seconds and back on again and see if the rotating unit moves during initialization Check 2 Use the s2terminal service program to check sensor and motor operation Service Manual 203025 CBCT unit Service Manual 203025 7 Error Codes and Trouble Shooting Rotating unit does not rotate I iii Vi Check that R5100 3 phase stepper driver is receiv ing power the D1 and D2 LED s must be on If not check the low power schematic to locate the prob lem Check the wiring between the R motor and R5100 3 phase stepper driver Replace if faulty Check the wiring between R3200 CPU and R5100 3 phase stepper driver J3204 J5101 Replace if faulty Check R5100 3 phase stepper driver replace if faulty Check R3200 CPU replace if faulty Replace the R motor rotation Rotating unit rotates but cannot find its correct position E Check the wiring between R4100 Rotator opto and R3300 101 Replace if faulty Check R4100 Rotator opto Replace if faulty i Check rotation microswitch system status s2termi nal Replace if faulty Replace R3300 101 board CAUSE B Belt s slipping SOLUTION B Clean belt s and pulleys and adjust belt tension 7 9 7 Error Codes and Trouble Shooting CBCT unit 7 10 Error 2 Error 3 Error 4 Error 5 Start position of r
20. REG_DWORD 0x00000000 0 8 I Dsd fa Profile REG_DWORD 0x00000001 1 S GE i ab s21P REG 5Z 10 208 6 101 83 simuipr REG_BINARY 69 70 72 13 00 01 0063 Y Dxr120 fam Scanora ab SimuPFileName REG_SZ cect REG_DWORD 0x00000004 4 3 psp A InstallShield 3 IntraCam A Setuninfa My Computer HKEY_LOCAL_MACHINE SOFTWARE Soredex Dxr120 Open HREY LOCAL MACHINE path and browse to SOFTVVAREISoredexiDxri 20 7 2 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 3 To save raw images click the right hand side of Registry Editor panel with the right hand mouse button and select New gt DWORD value and name it SaveRaw 4 Double click the SaveRaw name and enter Value Data in the Edit DWORD Value dialog SaveRaw values are 0 save no raw images 1 save the last image taken with each program 2 save every image consumes a lot of disk space The raw images are saved into the folder Base Path Raw Base bath can be found from BasePath string or Scanora 4 xx Tools CBCT Cone Beam Setting Device Work folder 5 To save projection files click the right hand side of Registry Editor panel with the right hand mouse button and select New gt DWORD value and name it SaveBin 6 Double click the SaveBin name and enter Value Data in the Edit DWORD Value dialog SaveBin values are 0 save no projection image 2 save every image consumes a lot of disk space The projection images are saved into th
21. a CMOS flat panel detector to acquire 3D im ages and an optional CCD sensor to acquire pano ramic images The device must only be used and operated by dentist and other qualified healthcare professionals The device must only be used for the purpose for which it is intended USA only Caution Federal law restricts this device to sale by or on the order of a dentist or other qualified healthcare professional 1 3 Associated documentation The user s manual supplied with the CBCT unit The installation and set up manual supplied with the CBCT unit The user s manual supplied with the Scanora Workstation software The user s manual supplied with the 3D viewing software Service Manual 203025 A 1 The CBCT unit service manual CBCT unit 1 4 Service precautions and vvarnings Servicing precautions Only personnel trained and approved by the manufac turer of the unit are allowed to service the unit Before attempting to service the device make sure that you know how to operate it Read the user s manual Read and familiarize yourself with the warnings and precautions listed in the user s Manual Only use original spare parts from the manufacturer when repairing the device or replacing parts The unit is factory set to operate using a 230 240 10 VAC power supply Never connect the unit to a power supply different to the voltage marked on the unit Warning Radiation Safety Before servicing the unit
22. all clear all flags ccd clears flags related chair clears flags related collimator clears flags related frame clears flags related generator Clears flags related rotatingunit clears flags related panel Clears flags related panel_psu clears flags related tubehead clears flags related Multiple items can be cleared xq Service Manual 203025 to to to to to to to to to by issuing rotatingunit panel panel_psu tubehead panoramic CCD camera chair and chin rest collimator assembly unit s frame X Ray generator rotating unit CMOS 3D flat panel CMOS panel s power supply X Ray tube head the command multiple times The help information describes the different op tions for the service command selected To exit SERVICE key in exit then xq and then press ENTER to close the s2terminal 6 5 6 The s2terminal and service functions CBCT unit Unlisted service commands There are several other useful service commands the are not listed in the main help menu These are demomode Sets the unit to the demonstration mode laserxl Sets the usage of the lasers nomove Toggles imaging movements on and off rotbelttest Tests rotating unit s belt Description of the unit states INIT The initialization has been partially completed The unit is waiting for the chair down button to be pressed a message requesting this will appear on the GUI IDLE The unit is ready to start an examinat
23. and then level it Place the QC phantom on the adjustable phantom holder Use the chair up down keys only to adjust the height of the QC phantom so that the 75mm light strikes the top light line on the QC phantom Service Manual 203025 6 Check the position of the 60 mm and bottom lights Both beams must be horizontal and strike the ap propriate lines on the QA phantom Place a small block of plastic on top of the phantom and check the position of the top light It must be horizontal and 130mm from the bottom light If any of the lights need to be adjusted refer to the next section Adjusting the Z lasers Briefly press the exposure button NO X RAYS are generated to acknowledge that the check has been carried out NOTE If the exposure button is held down for too long error code 200 Exposure button pressed will appear on the unit display This will clear when the exposure button is released 8 13 8 Unit calibration and adjustment CBCT unit Adjusting the Z lasers 1 To adjust the horizontal laser s remove the covers from the tubehead assembly Section 11 1 Replac ing the tubehead describes how 2 Loosen the locking screw and the adjust the up down position with the adjusting screws and the horizontal position by rotating the laser P Locking screw 552 SS L gt ae a Lasers Adjusting screws E 3 Tighten the locking screw and recheck the position of the lasers 8 14 Serv
24. are connected to the unit for example the s2terminal and the dental imaging software and which of them has reserved thet unit login Shows the firmware and core versions installed in the unit and the serial number of the unit 6 3 Downloading raw images xi Service Manual 203025 This command allows the last image taken by the unit to be downloaded from the unit memory in DCM DI COM format This image can be used to check image quality NOTE If you wish to download more than one image in raw format refer to section 7 2 Saving raw images pro jection images and log files 1 Disable no image capture or close the dental imaging program in the PC s connected to the unit to ensure that the s2terminal has reserved the unit 2 Inthe main s2terminal folder create a subfolder and name it imageseries NOTE If you also create a darkseries subfolder dark im ages will be will be automatically stored there 6 The s2terminal and service functions CBCT unit xr Mode RESERVED 3 Key in xr and press the ENTER key so that the s2terminal reserves the unit The text RESERVE will appear which indicates that the s2terminal is now active and can commu nicate with the unit NOTE If you wish to take an test image release the s2ter minal so that the unit is free to work normally Key in xr and then press ENTER xr Mode NORMAL The text NORMAL will appear which indicates that the s2terminal has been released Se
25. are on measure voltages at 3D sensor gt If either one of voltages is missing then replace the cable between R4700 and sensor gt H both voltages are present follow trouble shooting instructions for Prob lem 5 1 3D sensor is not recognized o lfboth LED s are off measure voltage from J4701 pins 4 and 5 If voltage is present follow the trouble shooting instructions for Problem 5 1 3D sensor is not recognized gt lf voltage is missing check 8V LED D27 on R3100 gt gt If LED is OFF check fuses or replace R3100 as required gt gt If LED is ON replace cable track in upper shelf Service Manual 203025 7 33 7 Error Codes and Trouble Shooting CBCT unit O If LED D4 5V_ana is not on then measure voltage from J4701 pins 1 and 2 If voltage is present replace R4700 If voltage is not present check LED H2 on the R5300 gt gt lf LED H2 is on replace the cable track in upper shelf gt gt If LED H2 off check fuse F1 on the R5300 gt gt gt If blown replace it gt gt gt If fuse is OK check that LED H1 is on I gt If on replace R5300 I gt If not replace mains transformer Problem 3 7 R3200 R3300 or R3400 does not operate Action Switch the unit on and check the voltage indicator LEDs on the each board o lf any of LED s on a board are not on replace the board 7 34 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 4 Panoramic imaging PANORAMA IMAGING CHAIN
26. be faulty FOV width Passed minimum size 145 mm If Failed the 3D detector must be readjusted the DetX calibration The detX and detTilt values on the image tell you how much the 3D detector must be adjusted After readjusting the 3D detector repeat the DetX calibration to make sure that it passes the calibra tion and then do the Geometry Calibration again After the successful completion of CT Geom the 3D rotation movement is modelled and calibrated Briefly press the exposure button NO X RAYS are generated to acknowledge that the check has been carried out Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 5 Lasers X and Y Chects the position of the X and Y lasers Prerequisites CT Geom 1 Use and position the 3D phantom in the same vvay as for the DetX calibration Make sure that the hori zontal positioning lights strike the appropriate lines on the 3D phantom ra 2 Select Lasers gt RB 3 Press the Positioning lights key remote control to switch the lights on Check the position of the X and Y lasers The light beams must be strike the appropriate vertical lines on the 3D phantom Adjust the lasers if they are not correctly posi tioned 4 Briefly press the exposure button NO X RAYS are generated to acknowledge that the check has been carried out Service Manual 203025 8 21 8 Unit calibration and adjustment CBCT unit 6 Collimator Y position CB3D Scout 8 8 2
27. chair Z movement encoder single phase Location chair Z movement motor ac Location chair Service Manual 203025 CBCT 3 Electrical description 3 4 Schematic diagrams Fuse guide To Ethernet switch L ee L To motor power chain MAA To circuit power chain MAINS L FOR SOCKET INSTALLATION ies DW ic me mt ee To panel power chain To GUI PSU z r OO a rr Br rr rr rr KLS Ba a a a a a ar ar rr rr ar pr ar ar rr AAAS AAA A A AS A A SAS A AS To X ray generator TO EXPOSURE VVARNING LIGHT Notes Fuse reference designators vvithout board ID Rxxxx are assembled to the frame of the SBR3D Mains fuse F2 is only used in NON permanent installation Service Manual 203025 3 7 3 Electrical description CBCT Signalling 1 103328 Sp stepper a OS Mass Tube head board Ti ei ort Slit collimator 2 SL OPTIONAL zs PANELPSU 2ph mola Reg J4702 J5102 J5102 3p stepper 3p stepper R3700 module module X RAY J5101 5101 PSU Ok ena dr clk ena dlr ICOL DET J3317 J3311 J3310 J3312 J3318 LI300 LI300 LI300 R3300 XX XX XX 1 01 w L ph LaserY PANH DAN SHARP J3319 w JH Laser Z1 Laser Z2 Laser Z3 34101 J4201 R4100 R4200 Z sais 53 5 J4202 I E gan Rotator Upper 11300 LaserX WW J2001 YSignalling 2 R51 X motor Gs J5101 3 8 Service Manual 203025 CBCT Signalling 2 Chin Rest Chin rest DC motor Chin Rest opto J4802 J4801
28. connected to the elec tronics cabinet 2 x N4600 Opto sensor Type satellite board Location upper shelf Location chair R4700 3D panel power supply Type power supply low power Location rotating unit detector head R4800 Chin rest opto Type satellite board Location patient support assembly 2 x R4900 Panorama interface Type satellite connector board Location rotating unit detector head R5000 Extension Board Type satellite board Location Rotating unit detector head 4 x R5100 3 phase stepper driver Type satellite board Location rotating unit top part Location upper shelf Location rotating unit tubehead assembly Location rotating unit detector head R5200 ESD Protection Type satellite connector board Location electronics cabinet R5300 Panel raw power supply Type power supply low power Location electronics cabinet Service Manual 203025 CBCT unit Service Manual 203025 3 Electrical description R5400 Z limit interface board Type satellite board Location Rotating unit detector head Only used vvith units that have chair assemblies with three cables and R3400 IO2 version 5 and below 3D detector CMOS Location rotating unit detector head J motor Chin rest DC Location patient support assembly C motor Collimator Location rotating unit tubehead assembly Detector swapping motor Location rotating unit detector
29. follows slitX 3D aperture Passed the center of the aperture must be posi tioned to within 0 11 mm If Failed move the slit to the right to make the nar row beam visible on the detector The amount the slit has to be adjusted will appear on the images see Adjusting the slit SlitSize Pan is positioned correctly when slitX is Passed 8 25 8 Unit calibration and adjustment S CB3D Scout 8 8 2008 14 37 10 lt 85 kv 8 0 ma 4 505 EBR 8 26 Adjustment UC al 0 01 mm Passed Slitsize Pan Passed sl 0 70mm_ Failed Move slit U U mm leti SlitSize Pan Passed CBCT unit Adjustment slits slix 0 01 mm Passed slitsize Pan Passed sliX 0 23 mm Failed Move slit U 23 mm right slitSize Pan Failed Pan slit lett edge not found Service Manual 203025 CBCT unit 8 Unit calibration and adjustment Adjusting the collimator 1 Loosen the four 4 collimator holding screws 2 Adjustthe horizontal position vvith the adjusting screw Move to right counter clockwise Move to left clockwise 4 holding screws Adjusting screw 3 Retighten the holding screws and repeat the cali bration Readjust again if necessary After the successful completion of SlitX the slit is correctly centered Service Manual 203025 8 27 8 Unit calibration and adjustment CBCT unit 8 Collimator X CT 8 28 Calibrates the position of the 3D collimator horizontally Also checks the width of both
30. from time to time Action Check Ethernet connections from WS and or local network O Plug Ethernet cable back to the WS or local switch router Check condition of the External Ethernet cable o Replace whole cable track in upper shelf if cable is faulty Open the outer cover from the sensor side of the rotator and connect separate Ethernet cable from the WS to the J3210 on the R3200 Operate the unit nor mally take some exposes run the endurance test etc o If no problem exists then the external Ethernet cable is faulty Replace the whole cable track in upper shelf o Ifthe problem persists then either the network card in the WS or R3200 is faulty First replace R3200 and operate the unit normally o If problem still persists after replacing R3200 replace Network card in the WS Problem 1 3 No connection to R3300 R3400 or GUI PC internal bus failure Action Switch the unit and check that R3300 R3400 and the Ethernet switch are re ceiving power see problem 3 7 R3200 R300 or R3400 does not operate Check that the four activity LEDs on the Ethernet switch are flashing o If not then replace Ethernet switch Check that ACT LED D7 on R3200 is flashing If not then bypass the cable track in upper shelf by using separate Ethernet cable between J3211 on R3200 and the Ethernet switch O If connection restarts then the Ethernet cable between R3200 and switch is faulty Replace whole cable track in upper shelf O If c
31. ie ia 5 1 5 2 Positioning the BANC cies oc EREE EE 5 1 53 ROSES Start NO AL Surreal 5 2 5 4 Exposure Sequence ii Si 5 3 8 5 Exposure seg ent SIONS usais lavo 5 3 35 E DOS UE Ellis cid 5 4 Service Manual 203025 vii CBCT unit 6 The d Un A sa 6 1 6 1 Opening the s2terminal and connecting to the unt 6 1 6 2 Accessing the service Commande XD cssssccceeeeeeeeseeeeeeeeeeenseeeees 6 2 Unlisted service command eege 6 6 Description of the unit states ssssseeeesssennrreeestetttreeterrnnneeernnnnneerrnnne 6 6 Description of the unit commande 6 8 6 3 Downloading raw images vi 6 9 6 3 Updating firmware secicicnic toca 6 12 Core updates gui r3200 3300 2400 6 12 Updating the main firmware vf EE 6 14 7 Error Codes and Trouble Shooting ssssssssssssssnnnunnnunnnnnnnnnnnnnnnnn 7 1 K pital en 7 1 EE 7 1 Restarting the EE 7 1 Image transfer ee 7 1 7 2 Saving raw images projection images and log files 7 2 7 3 Checking the unit rc sn 7 4 Diagnosing faults with the s termmal 7 4 Checking circuit DOSIS cia diia 7 5 Checking cables and connectors ANE 7 5 7 4 Error code descriptions cocida 7 6 Enor LL A o PA 7 6 Error A A o gq 7 6 A o eta sere veces 7 7 A eege 7 7 tree 7 8 Emor eee A SR al 7 8 EMON a eal cae ea dammit 7 10 EMON Oea letal Sec esco 7 10 te E 7 10 Ee 7 10 EN Eeer eene oe eee apiece 7 11 d EE 7 11 A A E E 7 13 a 7 14 Error A 7 14
32. in xr to reserve the unit xr Mode RESERVE 5 Key in xh to open the firmware update commands S2 Terminal Help xh help xi receive image from the device xr reserve device xq quit Unit specific commands xcc lt r3200 r3300 r3400 gui gt core update xf firmware update 6 12 Service Manual 203025 CBCT unit xcc r3200 Service Manual 203025 6 The s2terminal and service functions 6 Key in the device to be update for example xcc r3200 and then press ENTER IMPORTANT NOTE If you are updating the firmware in ALL the devices the updates MUST be carried out in the following order lt xcc gui gt updates the GUI on the embedded PC gui pof lt xcc r3400 gt updates the FPGA core and the embedded soft ware on R3400 r3400 pof lt xcc r3300 gt updates FPGA core and the embedded software on R3300 r3300 pof lt xcc r3200 gt updates the FPGA core and Boot SW on R3200 the main CPU r3200 pof During the upload the transfer information will ap pear in the s2terminal window If you have problems with any of the updates DO NOT switch the unit off Repeat the upgrade After you have completed the upgrade s wait for the unit to reboot itself and then restart the unit NOTE The upgrades will only come into effect after the unit has been restarted Use the login command to verify that the updating w
33. movement of the patient chair Used to position the patient in the backwards forwards direction Motor Stepper under the seat Z movement Chair Chair Up down movement of the chair Used to position the patient vertically Motor AC in the chair base Service Manual 203025 2 13 2 Mechanical description CBCT unit 2 14 Service Manual 203025 CBCT unit 3 Electrical description 3 Electrical description 3 1 Electric component location Circuit boards UPPER SHELF 3 183300 R4100 R4200 R3100 R3700 ado ay 100 R4700 R3800 R42 RS100B871 R3500 I ROTATING UNIT T R4900 3 R3900 dat R5100 J pozo R4900 R4000 R5300 R5200 zg Di e R4800 C II PATIENT AA CHAIR SUPPORT ASA E n4600 PK O OI COLUMN ene HM OO m in se X AC motor Circuit board E DC motor I Stepper Driver IC 31 Stepper driver module ES Stepper motor Other electrical device Service Manual 203025 3 1 3 Electrical description CBCT unit Other electric devices UPPER SHELF X motor Ethernet dc Generator fanffilter Panoramic GUI power lol detector Q Tube GUI PC 8 Pan lasers 1 Mains transformer Se detector GUI monitor O mi II O J motor HA Remote control CHAIR PATIENT E K SUPPORT Y motor Exposure switch ASSY Y Z motor COLUMN X encoder BASE XI IX AC motor Circuit board E DC motor I Stepper Driver IC 31 Stepper drive
34. not within the tolerance SOLUTION Same as Error 24 Error 26 Preheat failure in R3800 X ray generator CAUSE The preheat feedback signal from the generator to R3200 is not within the tolerance SOLUTION Same as Error 24 7 22 Service Manual 203025 CBCT unit Error 27 Error 28 Error 29 Service Manual 203025 7 Error Codes and Trouble Shooting Rotation encoder failed CAUSE R3300 101 does not receive signals from R4100 Rota tor opto SOLUTION L Check the wiring between R4100 Rotator opto and R3300 101 Replace if faulty i Check R4100 Rotator opto Replace if faulty i Replace R3300 101 board Chair encoder failed CAUSE R3400 102 is not receiving signals from the Z motor encoder SOLUTION L Check the wiring between the Z motor and R3400 102 J4601 J3406 Replace if faulty ii Check R3400 102 replace if faulty ili Replace the Z motor lifting unit Error in TDI pulsing CAUSE Software corrupted SOLUTION Update R3200 CPU firmware 7 23 7 Error Codes and Trouble Shooting CBCT unit Error 30 Firmware is corrupted CAUSE The configuration flash memory is corrupted SOLUTION L Update R3200 CPU firmware i If error message reappears replace R3200 CPU and then update the firmware if required Error 31 CPU memory test failed CAUSE Memory module s faulty SOLUTION i Replace memory modules on R3200 CPU i If error message reappears replace R3200 C
35. servicing or maintenance disconnect the unit from main power supply so that anyone who inadvertently touches the unit does not receive an electric shock This unit should only be used in areas that are pro vided with a protective earth connection to ensure an equipotential ground connection 1 3 1 The CBCT unit service manual CBCT unit Caution Electrostatic discharge Electrostatic Discharge ESD can damage or destroy electronic components When servicing the device take 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 Leave all new or replacement circuit boards and electrical parts in their protective packaging until the boards are needed Before handling circuit boards and electrical parts make sure that any static electricity charge that has built up in you body is discharged When handling circuit boards hold them by their edges and do not touch any connectors or components When examining and checking circuit boards use an elastic 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 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 wrist wrap If an antistat
36. so that the midsagittal and focal trough light beams strike the middle of the metal ball in the phantom The horizontal light must be positioned so that it strikes the lower edge of the phantom 8 48 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 13 Protect yourself from radiation by standing behind a Suitable x ray radiation shield Press and hold down the exposure button The exposure will last about 15 seconds PC Click the Abort Capture button 15 PC A preview image of the panoramic ball pin phantom will appear on the unit display and then the PC Use the measuring tools of the dental imaging pro gram to check the image The ball in the center must be round no more that 10 difference between the horizontal diameter and the vertical diameter and the distances from the right hand pin and the left hand pin to the ball must be the same within 0 5mm If the ball is round and the distances are the same the unit has passed the panoramic Quality Check test Service Manual 203025 8 49 8 Unit calibration and adjustment CBCT unit 16 If the ball is not round the chair must be moved backwards or forwards until the ball until the ball is round If the ball is longer in the vertical axis than the hori zontal axis move the chair backwards If the ball is longer in the horizontal axis the move the chair forwards Check and readjust the positon of the chair until the ball is r
37. stepper motor which rotates the rotating unit dur ing the imaging procedure A motor in the upper shelf moves the rotating unit to the left or right to position it for the required imaging program The detector head comprises the 3D CMOS flat pan el and if the unit is a 3D pan version the pan CCD sensor will be attached to the side of the 3D detector When the pan program is selected the pan sensor automatically rotates forward to the correct position There are six positioning light in the rotating unit four for 3D images and OPTIONAL two for panoramic There is one patient position light in the upper shelf that is used for both 3D and panoramic images Service Manual 203025 CBCT unit 2 Mechanical description 2 4 The patient support assembly Patient support assembly column Head support adjusting knob Service Manual 203025 2 7 2 Mechanical description CBCT unit The patient support assembly is attached to the side of the chair assembly The patient support assembly comprises a support column which can be driven up and down to position the angle of the patient head Mounted on top of the support column is the support arm which can be rotated away from the unit to allow patient entry and exit The support arm is locked in position with the head support lever Attached to the support arm is the head support that can be manually adjusted backwards and forwards with the head support adjusti
38. the left right direction Passed is between 5 0 6 6 mm If Failed move the 3D detector to right or left see Adjusting DetX 8 16 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment detTilt how much the detector is tilted to the left or right Passed is less than 0 5 mm If Failed adjust the tilt of the 3D detector see Ad justing DetX xOffset and yOffset the distance the 3D phantom is away from the center of rotation Passed must be less than 1 mm If Failed repeat the calibration test If it fails the test again check that the 3D phantom is correctly positioned Tt and yTilt the amount the 3D phantom is tilted Passed must be less than 5 mm this value is not stored but it is a prerequisite for successful 3D geometry calibration If Failed check that the 3D phantom and the unit are level bubble level and the spirit level on the upper shelf of the unit Adjust if they are not Collimator Failed The unexposed areas above and below the ex posed area collimator field must be 3 mm or less If the amount is more the vertical position of the collimator must be adjusted later during step 6 4 Briefly press the exposure button NO X RAYS are generated to acknowledge that the check has been carried out Service Manual 203025 8 17 8 Unit calibration and adjustment CBCT unit Adjusting DetX 1 Loosen the six holding screws 6 that hold the 3D sensor in position 2 Use
39. the small and large col limators Prerequisites SlitX The unit must be in the same position as for the calibration test ColY Select Col X CT Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 30 seconds When the calibration is complete images will ap pear on the PC The calibration information that appears on the im ages is as follows ColX_CT 3D collimator Passed the left edge seen from the tube must not be visible If Failed readjust ColY and repeat Col X CT cali bration until it passes No other adjustment is pos sible After the successful completion of Col X CT the left hand edge of the collimator is positioned cor rectly when viewed from the tubehead Service Manual 203025 CBCT unit 8 Unit calibration and adjustment S CB3D Scout 8 8 2008 14 41 28 lt 85 kY 8 0 mA 4 50 s Ea lx Golusimang sake ET Passed FUN width 91 2 mm FOV width 146 2 mm Service Manual 203025 8 29 8 Unit calibration and adjustment CBCT unit 9 CCD X position Chects the position of the panoramic detector Hori zontal position and tilt Lee Prerequisites Col X CT 1 The unit must be in the same position as for the calibration test ColY Select CCD X Protect yourself from radiation Press and hold dovvn exposure button The calibra tion exposure will take about 30 seconds When the calibration is comp
40. x 31 MDIE h 3 VHDL sw Pox Fa FRONT 71 E 3403 5 5 2 1 100Mb Ethernet Switch S gue H CB 8 Y motion Optos CURR LIMIT 3 3402 GR 33410 San z va Y motor i See e YENA Driver Fs 33211 100Mb 4 Eth PHY 8 VHDL SW Se 1 2 PIO 19 3 24V 5V r4 5 6 7 46 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting D movements Detector CPU BOARD R3200 DETECTOR SWAP 18211 100Mb 1 VHDL SW 8 hase stepper Eth PHY 8 aa modulo R5100 35101 DETECTOR 1 3 28V SWAP MOTOR 2 4 PGND J5102 100Mb Ethernet Switch 13307 3312 8 HI CURR Uon 4 1 100Mb DE 1 40 CLK Voi 2 8 Eth PHY VHDL SW PIO x 2 if 12 DIR Woli 3 PIO_x 3 14 LENA 4 A ty 7 OPTO BOARD R4200 5 9 34203 Am am 209 6 ml DGND 7 1 1 7 13 A 2 EL 2 DET_POSITION 8
41. 0 60Hz F2 I 1 2 N H N e oe 3 3 T 4 R3400 33411 102 BOARD e 1 J3411 H 2 13412 FSP180 50MP ATX POWER SUPPLY FA J3903 IEC e 1 L e 2 N J3906 1 R3700 2 GENERATOR X RAY PSU FILTER J3904 L L 1 N N 2 Problem 2 1 Nothing happens when the unit is switched ON Action Check that mains lead is plugged into the wall o If not plug it in Check that mains is on o If not contact you local power supply company for help Check Fuses F1 and F2 o If blown replace them Open electric cabinet and check that the lamp R3900 is on or measure voltage at connector J3904 O If there is voltage on R3900 measure secondary voltages from mains transformer If any of voltages are missing replace the transformer O If there is no voltage follow mains power supply route from J3904 back ward to the mains wall socket by measuring voltages at different connec tion points Replace any component that are faulty Service Manual 203025 7 29 7 Error Codes and Trouble Shooting CBCT unit Problem 2 2 Chair does not move up or down Action Check fuse 1 on the R3400 O If blown replace it Check that lamp LA1 on R3400 is glowing o If not then check that J2007 is connected gt If connected then measure voltage at J2007 gt gt H no voltage replace cable between J2007 and R3900 gt gt If there is voltage replace cable between J2007 and J3411 J3412 O If lamp is glowing replace R3400
42. 0 IO1 and or the tube head After the successful completion of Preheat and mA the X ray electronics function correctly 8 10 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 2 Lasers Z FOV Checks the position of the Z lasers FOV horizontal positioning lights Prerequisites None 1 Remove the covers from the detector head Sec tion 11 2 Replacing the 3 D CMOS sensor de scribes how Select Z Lasers Press the Positioning lights key remote control to switch the lights on Check the position of the 75 mm horizontal light If the unit has four horizontal lights XL the 75mm light is the second from the top If it has three lights the 75mm light is the top one For C10322D sensors OLD TYPE The light must be horizontal and positioned on the two holes on either side of the 3D panel The toler ance is 1 mm Service Manual 203025 8 Unit calibration and adjustment CBCT unit For C10900D sensors NEW TYPE The 75mm light must be horizontal and positioned so that it strikes the top edges of the cutouts on both sides of the detector frame that holds the 3D panel in position The tolerance is 1 mm If the 75mm light is not in the right position light and or not level adjust the light until it is Refer to the next section Adjusting the Z lasers 8 12 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment Place the adjustable phantom holder on the chin rest
43. 0 ohm a damaged wire will have a high resistance value Make sure that all cables are correctly and securely attached to their respective connectors Connectors must not be loose or misaligned If the connector has a locking mechanism make sure that it is locked 7 5 7 Error Codes and Trouble Shooting CBCT unit If you find a loose or misaligned connector disconnect it and check for bent broken or missing pins If there is damage that can be easily repaired for example straightening a bent pin repair the damage and recon nect the connector If the damage cannot be repaired replace the cable Note that if the connector on the corresponding board is also damaged the board may also have to be re placed 7 4 Error code descriptions Error 100 Internal Communication bus error CAUSE A GUI PC cannot communicate with R3200 CPU SOLUTION A i Check the Ethernet switch router If it is faulty re place it i Check R3200 CPU Replace if faulty ii Replace the internal LAN cable Error 101 Incorrect internal message format CAUSE A GUI and CPU firmware not compatible SOLUTION A Update the GUI firmware 7 6 Service Manual 203025 CBCT unit Error 200 Error 201 Service Manual 203025 7 Error Codes and Trouble Shooting Exposure button is pressed CAUSE A Exposure button in stuck down shorted or broken SOLUTION A Check the exposure switch with a DMM replace if faulty CAUSE B R3900 Main
44. 008 13 55 22 lt 85 kv 8 0 ma 4 503 EBI EN ro beiog 71 0 mm fied 2 Move collimator top 2 9 mm down Collimator Passed Adjustment colY Collimator Passed 8 22 Checks the vertical position of the collimator assembly Prerequisites 3D geometry 1 Remove the 3D phantom and drive the chair down to its lowest position Select ColY Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 30 seconds When the calibration is complete images will ap pear on the PC Collimator Passed FOV heigh 61 6 mm Passed Collimator Passed FOV heighi 78 5 mm Passed Collimator Passed Collimator Failed FOV height 71 0 mm Failed Move collimator top 2 9 mm down Collimator Failed Move 0 36 mm dow l Callimator Failed Mowe U 43 mm down Service Manual 203025 CBCT unit Service Manual 203025 8 Unit calibration and adjustment The calibration information that appears on the im ages is as follows FOV height Passed must be more than 76 mm for the large FOV and more than 60 mm for the small FOV If Failed adjust the top of the collimator The amount the collimator has to be adjusted will ap pear on the images see Adjusting the collima tor Collimator Passed If Failed adjust the height of the collimator The amount the collimator has to be adjusted will ap pear on the images see Adjusting the collima tor
45. 100 3 GND_DIG 9102 4 8V_DIG 8V 1 LJ Problem 5 1 3D sensor is not recognized Action Check condition of the power feed by following trouble shooting instructions Problem 3 6 The 3D imaging is not functioning Replace the existing LVDS data cable that runs from J3208 to the 3D sensor and reboot the unit 0 0 gt gt If 3D sensor is detected then the originally cable was faulty If 3D sensor not detected replace R3200 and reboot If sensor is now detected the original R3200 was faulty If sensor is not detected then replace the sensor Service Manual 203025 7 37 7 Error Codes and Trouble Shooting CBCT unit Problem 5 2 Generally poor image Action Check condition of the power feed by following trouble shooting instructions Problem 3 6 The 3D imaging is not functioning Check unit calibrations Follow instructions in instructions Problem 5 1 3D sensor is not recognized Replace parts one by one and take a 3D image of the phantom until you identify the problem Problem 5 3 Horizontal bars in projection image Action Check 3D sensor grounding cables O If OK then replace R4700 Problem 5 4 Gray scale reduced Action Follow instructions in Problem 5 1 3D sensor is not recognized Replace com ponents one by one and take 3D images using the QC phantom to check image quality Problem 5 5 Shadows in the projection image Action Check that
46. 15 DET_SWITCH l 5 PEL PLACE f3 16 5 6 Al CHIN MOTION CHAIN Remote Controller 102 3V3 R4300 R3400 v o 4 mn a z CHIN_ENC_A y Dm 13401 h en Ee B F _ Chin Up 4 7 4 CHIN_HOME y Shinda Chin Down 2 2 os 5 3409 as E 12173 VHDL SW CHIN UP MOTI ig 6 1 CHIN DOWN Chin MOT2 e 7 2 J3403 CHIN molor 1 river 100Mb Ethernet Switch rom i CAN ENA Chin Rest Opto CPU BOARD R3200 13211 100Mb VHDL SW Lo J1 r 1 Eth PHY Service Manual 203025 7 47 7 Error Codes and Trouble Shooting CBCT unit C movements collimator CPU BOARD R3200 COLLIMATOR 100Mb TT 1 VHDL SW et PHY le I eo ee 15101 e Collimator o m24 PGND Sp motor 100Mb Ethernet Switch 33307 13311 8 H_CURR 1 PIO x Voli 2 1 100Mb 1 10 CLK 8 VHDL SW PIO_x Woli 3 8 Eth PHY Box 2 al DR 3 SN 4 7 RE M E gt 9 14202 34201 ae 20
47. 15 measurements PREHREF Reference voltage for mA preheat varies from 1 2V to 1 8V MAREF Reference voltage for tube current 3 7V gt 8mA 2 5V gt 15mA MAFB Feedback from tube current 3 56V gt 8mA 2 2V gt 15mA Not for service use PREHEAT_FB Approx 500mV during preheat sequence GND Service Manual 203025 3 Electrical description CBCT unit R3800 Block diagram ops 9GLJJOA MO 0 Loser a Loger 0L8er abedeslo Opis aBeyon mo UO po3jejosi Ajjeondo yed oBejjOA UBIH YJOLVINDIY Als YOLVINOAY ASV I04U09 AH Jojejn69 i ASV juesaeud 9GLJj0A ybiy Alpeeg BUIUJOLM UO A 3 33 Service Manual 203025 3 Electrical description CBCT unit R3900 Mains connector WARNING Dangerous mains voltage on part of this board The dangerous part is marked with crosshatched lines H1 also indicates when there is live voltage on the board R3900 DESCRIPTION The main function is to distribute AC voltage from the mains switch main power supply to the mains transformer to R3400 102 to R3700 X ray power supply to GUI PC power supply some versions are non iso lated and some are isolated It is also used as a connector board for EXP signal and a relay for the warning light R3900 LOCATION In the electronics cabinet R3900 FUSES F1 T2A 250V 6 x 32 F2 Unused R3900 INDICATOR LIGHT Hi Mains Voltage Indicates the existence of the
48. 9 6 nl Don 1 QU 1 13 ei 2 3 COLUM HOME gt 15 i 2 Ll He 16 4 CPU BOARD EXTIO R3200 R3300 33202 33303 y PIO IN3 COL ENA VHDL PIO IN4 COL CLR i 6 3 SlitStepper VHDLESW po NS COL DIR gt Driver vhd 13310 DAC_SEL 4 MB2 ai sw K uStep uStep z MA2 sontroller driver SEH 4 MBI OPTO BOARD SLIT motor R4200 34201 Jane 17209 1 1 2 SLIT_HOME gt SLIT COLLIMATOR CHAIN 8 4 7 48 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 9 Z motion control chair Block diagram Z motion Z Limit switches Upper J Lower Remote Controller 102 4341711 1413 6 43407 R4300 R3400 A 13401 T ore 9 9 CHAIR UP UP 11 CHAIR ENA 10 10 CHAIR DOWN ie SC 12 12 Z motor 33413 Las L Down Z motor UP ls Drivert SOM 1 Z MOTOR ENC Safety opto 2 Logic DOWN 73 y isolation CHAIR ENA Z motor L__ VHDL Sw CHAIR DOWN 3403 T 100Mb 8 Eth PHY 100Mb Ethernet Switch 6 5 J3402 CPU BOARD 2 R3200 J3201 3 100Mb 33211 VHDL SW 1 Eth PHY 8 Problem 9 1 Chair does not move up or down Action
49. ANSFORMER 33101 y J4002 J3206 ROTATION 8 2 RING GND 102 BOARD 14204 15101 roms 28v 28v 1 1 28v H 33104 J3404 GND 2 2 GND GND 4 1 28v pams 8 SS 1 1 28v 5v_ 3 3 5v 55 4 IGND we t 2 2 GND GND 4 4 ND 28v 6 U16 45y 1 ams 4 3 3 5v 73 48v DIG esst 4 GND R 3502 X191 CCD A per 3102 42003 CODPONER 43va 12 12 oun DETECTOR 1 1 34004 mA 1134 34 GND 1 5 2 Pa ezev 44001 33501 av 4 5 6 56 3v3 1 Ar 6 3 28v 1 128 78 78 15v i 2 GND 9v GND Die TH 4 6 5v GND 2 2 GND 45 4 9 10 9 10 3v 8 5 5v_3 3 sv 11 12 11 12 9v I t 39 6 GND 4 4 GND 13 14 13 14 5v ra 10 7 4 115 16 15 16 GND ro SNe 2 R4700 d R5300 PANELPOMER pe DETECTOR ut 2 PANEL RAW PSU Su ANA a r 48v ANA 14701 5v_DIG f 144702 J aa 15301 VANA 5302 1 GND_ANA 3 1 1 GND_DIG wi E 1 1 2 48v ANA 3 2 5y_DIG Sr 3 2 3 GND_DIG 4 3 GND ANA z 3 GND_ANA 4 8v_DIG 6 4 5v_ANA 15 GND_CH Ve GND DG GND ANA 5 Problem 3 1 The GUI starts but nothing else happens when the unit is switched ON Action Check that all LEDs on R3100 are on o If not check the fuses on the R3100 gt Ifthe fuses are blown replace them gt If fuses are OK replace R3100 gt If LEDs still don t come on then follow trouble shooting procedure for Prob lem 2 1 Nothing happens when the unit is switched ON O If all the LEDs on R3100 are on check that the 5V LED D11 on R3200 is on gt If not then check tha
50. CAUSE R3200 CPU cannot communicate with R3400 102 SOLUTION lL iii Check the power LED on switch router If it is off check R3100 Power supply and or the cable be tween the R3100 Power supply and the switch router Replace either or both if faulty If the power LED is on check the Ethernet switch router replace if faulty Check R3400 IO2 replace if faulty Replace Internal Ethernet cable Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Error 13 Configuration data vvas lost CAUSE R3200 CPU flash memory corrupted SOLUTION Replace R3200 CPU and then recalibrate the unit Error 14 Home position of X motor was not found CAUSE R3200 CPU does not get correct information from N4600 Opto sensor SOLUTION Check 1 Switch unit off 30 seconds and back on again and see if the rotating unit moves during initialization Check 2 Use the s2terminal service program to check sensor and motor operation Rotating unit does not move i Check that R5100 3 phase stepper driver is receiv ing power the 5V and 28V LED s must be on If not check the low power schematic to locate the problem IL Check the wiring between the X motor and R5100 3 phase stepper driver Replace if faulty ii Check the wiring between R3300 IO1 and R5100 3 phase stepper driver J3313 J5100 Replace if faulty iv Check R5100 3 phase stepper driver replace if faulty v Check R3300 IO1 replace if fa
51. CCD sensor is parked to the CT position o Hnot then follow trouble shooting instruction Problem 4 4 Image is com pletely clear from the section CCD camera is positioned right Check calibration O If calibration OK then check that collimators are open as they should be gt If not follow trouble shooting guide instructions 8 Motion control general 7 38 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 6 Exposure control EXPOSURE CHAIN EXTIO 100Mb Ethernet Switch CPU BOARD R3300 R3200 33307 33311 y 100Mb 100Mb VHDL SW 33303 33202 Exposure switch PIO X e LENC SYNC 6 PIO_
52. IONS 100Mb Ethernet for internal communication Remote control interface Emergency stop interface Z motor safety logic and motor driving Chin motor driving Chin motor encoder dual phase Y motor driving R3400 FUSES F1 T5A 250V 6 x 32 R3400 INDICATOR LIGHT LA1 Light indicates dangerous voltage mains ON DANGER mains voltage present OFF No voltage 3 24 Service Manual 203025 CBCT unit 3 Electrical description R3400 INDICATOR LEDS R3400 rel 5 and below D1 3 3V D2 1 25V D3 Ethernet Speed On 10MB D4 Ethernet Duplex mode D5 Ethernet Transferring Activities D6 Ethernet Speed On 100MB D15 Z UP D16 Z DOWN D18 Z ENA R3400 rel 6 and above D1 3 3V D2 1 251 D3 Exposure switch pressed indicator D4 Z ENA_ETH D5 Z DOWN_ETH D6 Z UP_ETH D15 Z UP D16 Z DOWN D18 Z ENA D20 Ethernet LINK OK D21 Ethernet Speed On 100MB Off 10MB D22 Ethernet Transferring Activities D30 Z LOW LIMIT D31 Z UPPER LIMIT R3400 TEST PINS TP1 GND TP3 3V3 Service Manual 203025 3 25 CBCT unit R3400 Bloch diagram 3 Electrical description 39J 3 U1 O1 U05 ENET SCAL 9 0LU194 Nvc AG Jeng CLver EI Jo1 U059 J030JN Z V9dW SUOJD D Blog JOAUQ JO1JUOD 60ver JOJOJN uyo JO3OJN UIYD Service Manual 203025 D0049JUI J9p09U9 ulyo Jeng JOJOIN A SILUSJUI UONISO JA Spuet 11 J030JN 3 26 CBCT unit 3 Electrical description R3500 CCD Power
53. If the R3400 has been replaced and chair still does not move replace the chair lift unit Problem 2 3 GUI PC not working Action Check that the mains cable is connected between R3900 and the GUI PC Pow er unit O If not connect the cable Check that there are low voltages 5V and 12V on the GUI PC power output red wire 5V yellow 12V o lfthere are no low voltages replace the GUI PC Power supply unit o If there are low voltages replace the GUI PC unit Problem 2 4 No X rays Action 7 30 Check that lamp LA1 on the R3700 generator power is glowing o If not then check that there are voltages on the input of the generator filter If no voltages replace the cable track in upper shelf If there are voltages replace the filter If LA1 on R3700 is glowing check lamp LA1 on R3800 X ray generator If LA1 on R3800 is not on then check fuses on the R3700 and replace them if blown If the fuses are ok then check cabling between J3703 and J3802 gt If LA1 on R3800 is on then follow trouble shooting information in section 6 Exposure control V O V V Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 3 Power distribution low voltages
54. LED comes on replace J2002 and remove J3905 from R3900 and short cut pins 1 and 2 gt gt gt If the LED does not come on replace the cable between J2002 and J3905 gt gt gt If the LED comes on replace J3905 and remove J3907 from R3900 and short cut pins 1 and 2 I gt If the LED does not come on replace R3900 I gt If the LED comes on replace external exposure switch If LED D502 lights then set unit to imaging mode CT or Pan disable movements and check status of the PREH_ENA LED D501 If doesn t come on after few seconds when exposure switch is pressed then replace R3300 If LED comes on then the exposure control is OK and beep sound should be heard If not then replace R3300 Problem 6 2 Exposure sequence starts but no X rays Action Check condition of the power feed by following trouble shooting instruction Problem 3 7 R3200 R3300 or R3400 does not operate Set unit to imaging mode CT or Pan disable movements and the check status of the PREH_ENALED D501 O O gt 7 40 If LED does not come on replace R3300 If LED comes on then check that X RAY ENA LED D500 comes on If X RAY ENA LED come on then follow trouble shooting guide for X ray generation If does not come on measure the voltage during exposure from connector J3303 pin 5 gt gt If voltage goes above 2V replace R3300 gt gt If voltage is near OV measure voltage from connector J3202 pin 7 gt gt gt If voltage goes above 2V then c
55. None R4800 TEST PINS None R4800 Block diagram e ENC oo CHIN2ENC ENC HOME DC MOTOR DC MOTOR Service Manual 203025 3 43 3 Electrical description CBCT unit R4900 Panorama interface R4900 DESCRIPTION There are two of these boards in the unit They serve as an interface between the panoramic sensor and R3200 CPU R4900 LOCATION Both are in the detector head one in the pan sensor arm and the other attached to the R3200 CPU R4900 FUSES None R4900 INDICATOR LEDS None R4900 TEST PINS None 3 44 Service Manual 203025 CBCT unit 3 Electrical description R4900 Bloch diagram J4901 CCD sensor Dx HL VV LVDS Transceiver UC_ 3 3V CCD Dx CPU CPU_DETECT i IET IL Service Manual 203025 3 45 3 Electrical description CBCT unit R5000 Extension Board R5000 DESCRIPTION Includes circuitry for detecting the condition of the line voltage and also has an interface for X position optos from the N4600 R5000 LOCATION Attached to R3300 R5000 FUSES None R5000 INDICATOR LEDS None R5000 TEST PINS None R5000 Block diagram pt DO Not used 35002 DE T MSVV J5004 X optos 95003 He E 95003 He 3 46 Service Manual 203025 CBCT unit 3 Electrical description R5100 3 phase stepper driver R5100 DESCRIPTION There are four of these boards in the unit The inputs are current driven and connected to the logic boards R3200 CP
56. Note that these values are subject to change If you need more accurate values use a DAP meter during the exposures to measure the exact DAP value and then enter these values into the Dose mGycm field 8 46 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 8 7 The Panoramic QA procedure Optional 1 B D 3 gt oMa S Oe e Service Manual 203025 is Start the system and select the adult panoramic program as described in the user s manual PC Open a new patient card in which the QA images can be stored and give it a name that will make it easily identifiable for example QA Test PC Click the Image Capture button Touch the Panoramic button to select the Pano ramic program mode Select the adult panoramic program Select the minimum exposure factors 60kV and 4mA Push the temple supports towards the chair so that the panoramic sensor will not hit them during the exposure 8 47 8 Unit calibration and adjustment CBCT unit 8 Place the adjustable phantom holder on the chin rest and then level the holder using the levelling screws on the under side There is a spirit level on top of the holder Place the panoramic ball and pin phantom on to the adjustable phantom holder Press the Return key to drive the unit to the ready position Press the lights key to switch the patient position ing lights on amp 12 Position the panoramic ball and pin phantom
57. PLY J3206 Regulators ONFIGURATION JTAG P AMA CCD IF a oO N CH Y CONFIGURATION ACTIVE SERIAL 3 20 Service Manual 203025 CBCT unit 3 Electrical description R3300 101 Input Output 1 Service Manual 203025 R3300 DESCRIPTION Drives the stepper motors and includes electronics for controlling the X ray generator Includes an FPGA integrated circuit and embedded SVV R3300 LOCATION In the top part of the rotating unit R3300 FUNCTIONS 100Mb Ethernet for internal communication Detector motor control signalling X motor control signalling Collimator motor control signalling Slit motor driving Position laser driving Exposure button interface X ray generator control X ray back up timer X ray warning alarm Rotation encoder dual phase R3300 INPUTS 24Vdc mainly for motors 5V for logic R3300 FUSES None R3300 INDICATOR LEDS NOTE Not all indicator LEDs on rev 2 and earlier of this board are the same as on rev 3 and later Common for both revisions D1 28V for motors glowing means OK DS 1 25V D4 3 3V D500 Exposure enabled D501 Preheat enabled D502 X ray enabled 3 21 3 Electrical description 3 22 CBCT unit Used only vvith the R3300 rev 2 and earlier D6 Duplex mode on full duplex off half duplex D7 10Bbit link on 10Mb mode activated D8 ACT ivity blink traffic D9 100Mbit link on 100Mb mode activated Used on the R3300
58. PU and then update the firmware if required Error 32 Z movement fail CAUSE R3400 102 is not receiving signals from the Z motor encoder SOLUTION Same as Error 28 Error no number CAUSE Old GUI version SOLUTION Update the GUI software 7 24 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Start up error During boot up the GUI display freezes and only dis plays the GUI version not the FVV version When the Capture button in the imaging SW is pressed the following message appears Cannot start capture because there is no connec tion between the driver and thet Cone Beam 3D device CAUSE Fuse F5 on R3100 blown Service Manual 203025 7 25 7 Error Codes and Trouble Shooting CBCT unit 7 5 Trouble shooting 1 Internal and external LANs eee Iess Seray onan Ne WORK STATION y I J3210 j CE am MOTH A er 1 i LAN WAN Porta ole O o oF AS 165 ee Ethernet Switch a 8 Eth PHY VHDL SW san porte H Remote GUI 100Mb Ti z ZE s2 Terminal Eth PHY DN IO i 2 i Service PC R3300 CDRSX j PORTA j PORT n o y O rn 13307 porTn F 1 1Gb Remote GUI 1 T Lel i 8 Eth PHY s2Terminal VHDL SW Eth PHY BR H i i R3400 JYZ i y Do 33403 PORT n i III UN A WH
59. Remove the chair lift upper cover 13 Remove the two backlash controllers and then remove chair lift middle cover 14 Disconnect all the cables that run from the motor module to R3400 102 Also disconnect the ground cable from R3400 Service Manual 203025 10 21 10 Replacing parts CBCT unit 15 With an extended M8 hexagon socket wrench re move the screws 4 that hold the motor module to the base Remove the motor module 16 Instal the new motor module and then reassemble the chair unit in the reverse order as described above 17 Recalibrate and align the unit Refer to 9 Unit cali bration and adjustment 10 22 Service Manual 203025 CBCT unit 10 Replacing parts 10 5 The cable track 1 Remove the top shelf 1 the inner and outer corner covers 2 from the rear column and column hatch from the rear column Also remove the inner covers from the rotating unit see 10 2 The 3 D CMOS sensor Service Manual 203025 10 23 10 Replacing parts CBCT unit 2 From the rear column disconnect all the cables that go to the cable track accessed through the column hatch 3 Remove the screws that hold one end of the cable track to the upper shelf and the other end to the rotating unit Rotate the rotating unit to wind the cable track into a tight bundle 10 24 Service Manual 203025 CBCT unit 10 Replacing parts 4 From the under side of the rotating unit remove all the cable ties that
60. SCANORA 3D Cone Beam 3D Imaging System Service Manual Number 203025 rev 3 2011 01 SCANORA 3D Cone Beam 3D Dental Imaging System Service Manual Medical Device Directive 93 42 EEC CE 0537 Number 203025 rev 3 2011 01 Manufactured by SOREDEX Nahkelantie 160 Tuusula P O BOX 148 FI 04301 Tuusula Finland Tel 358 0 10 270 2000 Fax 358 9 701 5261 CBCT unit Version history Date released Changes Additions Rai 2008 10 Draft version for VTT Bea 2009 05 Manual updated for customer use 2011 01 PCB updated and part replacement added Rev 1 Rev 2 ev 3 Soredex endeavours to produce product documentation that is accurate and up to date Hovvever our policy of continual product development may result in changes to products that are not reflected in the product documentation There fore this document should not be regarded as an infallible guide to current prod uct specifications Soredex maintains the right to make changes and alterations without prior notice iv Service Manual 203025 CBCT unit Contents 1 The CBCT unit service manual ccccccccccccccccccnccencnccncnennnennnennnnos 1 1 ETICO ermita iii 1 1 1 2 TE CES EE UN EE 1 1 1 3 Associated documentation ansia 1 1 1 4 Service precautions and warmimgs ee 1 2 eelere e nia cis 1 2 Warning Radiation Safety cemmesmenssmmmmnnninmnmennmnenimn 1 2 Warning Mechanical Safety ann 1 3 Warning Electrical Safety vis
61. U and R3300 101 R5100 LOCATION One in the detector head one in the tubehead assem bly one in the upper shelf one in the upper part of the rotating unit R5100 FUSES None R5100 INDICATOR LEDS D1 5V D2 28V R5100 TEST PINS NOTE Some earlier versions of this board did not have test pins GND Vref clk ENA R5100 Block diagram driver Service Manual 203025 3 47 3 Electrical description CBCT unit R5200 ESD Protection R5200 DESCRIPTION Transforms the connector formats ESD protection is also on this board R5200 LOCATION In the electronics cabinet R5200 FUSES None R5200 INDICATOR LEDS None R5200 TEST PINS None R5200 Bloch diagram d 3 48 Service Manual 203025 CBCT unit 3 Electrical description R5300 Panel raw power supply Service Manual 203025 R5300 DESCRIPTION Generates 8V low voltage for the analog side of the 3D sensor power chain NOTE The 8V is distributed to the R4700 3D panel power supply which re regulates it down to 5V and distributes the voltage to the 3D sensor R5300 LOCATION In the electronics cabinet R5300 INPUTS 12Vac R5300 OUTPUTS 8Vdc analog side R5300 FUSES F1 T2A 250V 6 x 32 R5300 INDICATOR LEDS H1 12Vac H2 8VDL analog R5300 TEST PINS None R5300 Block diagram R5300 Regulator circuit J5302 3 49 3 Electrical description CBCT unit R5400 Z limit switch interf
62. X sik EXPOSE PIO_X 32002 43306 z a 7 7 Es I omer g u X RAY GENERATOR i 1 EXP ENA R3800 PIO X a 33810 ba 3 LPREH_ENA gt 2 EXP ENA 4 DERAY_ENA S 3 S PREH ENA SH 43315 33807 Rotation opto EY PO XII 1 A R4100 Box P E 2 2 gt PREHMA REF 4 44101 33300 NE 3 3 SIMA REF 1 1 PIO XII 7 H 2 LENC_1 m il PIO X oi 4 4 Encoder aK 3 ENCZ h 1 PO X CA 5 5 gt KV_REF 4 HOME 14 POX lt 6 6 kK TUBE_TEMP Home N s PANLIM PO X 7 Tl A A er Ja 8 8 RV FB Panorama A I l 1 0 9 9 MA FB Umit a 10 10 D 1 nk PREHEAT FB PIO_X 12 12 TUBE FAIL PIO_X 13 13 oe 14 14 BACKUP PIO_X 15 15 OK PIO_X 16 16 PIO_X I 1 Problem 6 1 Exposure does not start when exposure switch is pressed Action Check condition of the power supply by following trouble shooting instructions Problem 3 7 R3200 R3300 or R3400 does not operate Set the unit to the standby mode press exposure switch and check the status of the X RAY ENA LED on R3300 D502 o If LED doesn t come on when exposure switch is pressed then remove connector J3306 and shortcut pins 1 and 2 If the LED does not come on replace R3300 gt If LED comes on replace J3306 remove J2002 from the vertical column and shortcut pins 7 and 14 gt gt If the LED does not come on replace cable track in upper shelf Service Manual 203025 7 39 7 Error Codes and Trouble Shooting CBCT unit XX If the
63. ace board R5400 DESCRIPTION Z limit switch interface between chair lift and R3400 102 COMPATIBILITY NOTES R5400 is only USED with R3400 IO2 release 5 and below and units that have chair assemblies with 3 cables R5400 is NOT USED with R8400 IO2 release 6 and above and units that have chair assemblies with 3 cables Units that have chair assemblies with 2 cables R5400 LOCATION Attached to R3400 102 R5400 INPUTS Limit switch input from Chair Y opto inputs R5400 OUTPUTS Z limit switch status to R3400 102 Y opto signalling passed to R3400 102 R5400 FUSES None R5400 INDICATOR LIGHTS H1 Lower limit On limit reached H2 Upper limit On limit reached R5400 TEST PINS None 3 50 Service Manual 203025 CBCT unit 3 Electrical description 3D detector CMOS PURPOSE 3D image acquisition LOCATION Rotating unit detector head FUSES None INDICATOR LEDS None Ethernet switch router PURPOSE Ethernet signalling LOCATION In the electronics cabinet FUSES None INDICATOR LEDS D1 D5 OFF no connection ON link connection OK no traffic FLASH link connection OK traffic Service Manual 203025 3 51 3 Electrical description CBCT unit Panoramic detector CCD PURPOSE Panoramic image acquisition LOCATION Rotating unit detector head FUSES None INDICATOR LEDS On the rear of the CCD sensor there are a number LEDs that indicate
64. air base N4600 FUSES None N4600 INDICATOR LEDS None N4600 TEST PINS None 3 40 Service Manual 203025 CBCT unit 3 Electrical description R4700 3D panel power supply R4700 DESCRIPTION Generates the low voltages for the 3D sensor The board regulates the voltages 8V analog to 5V analog and 8V digital to 5V digital There are also output enables in the circuit One is external and one is internal The external O E is connected to the 5V digital regulation circuit and internal O E is connected from the 5V digital output to the 5V analog enable R4700 LOCATION In the detector head R4700 CONTROLS Panel power enable from the R3200 CPU R4700 INPUTS 8Vac digital side 8Vdc analog side R4700 OUTPUTS 5Vac digital side 5Vdc analog side R4700 FUSES None R4700 INDICATOR LEDS D3 5V Dig D4 5V Ana R4700 TEST PINS D4 5V Ana Service Manual 203025 3 41 3 Electrical description CBCT unit R4700 Block diagram R4 00 Regulator 8V analog 5V analog 5V Analog enable 8V Digital 5V Digital 5V Digital enable Regulator 3 42 Service Manual 203025 CBCT unit 3 Electrical description R4800 Chin rest opto R4800 DESCRIPTION It monitors the position of the patient support assembly motor The board comprises two optical switches that generate sensor signals R4800 LOCATION In the patient support assembly R4800 FUSES None R4800 INDICATOR LEDS
65. al space and then the IP address of the unit On the unit GUI touch the settings but ton then the i button to display the IP address Press ENTER to open the s2terminal and make a connection to the unit 6 The s2terminal and service functions CBCT unit The s2terminal version number will appear togeth er with a list of main commands S2 Terminal Help xh x1 xr help receive image from the device reserve device quit Software and firmware version numbers will ap pear after the list of main commands 6 2 Accessing the service commands xh status r INIT The service commands allow the operation of the unit to be checked tested and configured IMPORTANT NOTE The unit must be in the service state to access the service commands 1 To determine the current state of the unit key in the state command status r Press ENTER and the current state of the unit will appear on the display for example INIT The other possible unit states are IDLE SELECT READY TRANSFER and ERROR A detailed description of the all the unit states is given in section Description of the unit states Service Manual 203025 CBCT unit 6 The s2terminal and service functions 2 Ifthe unit is in either the IDLE or ERROR state you can go directly to the SERVICE state by keying in the service command SERVICE Press ENTER to enter the SERVICE state If the unit is in the INIT sta
66. annot be received SOLUTION I iii Vi Check wiring between the pan CCD detector and R4900 Panorama interface X190 J4901 Replace if faulty Check the wiring between the two R4900 Pano rama interface boards J4902 J4902 Replace if faulty Check the connector between R4900 Panorama interface and R3200 CPU J4904 J3208 Replace if faulty Check both of the R4900 Panorama interface boards Replace if either or both are faulty Check the R3200 CPU replace if faulty Replace the pan CCD detector If you replace the pan CCD detector you must carry out the following calibrations 11 Collimator X panorama 9 CCD X position 12 CCD pixels 14 CCD EPS Dose calibrations 16 to 19 are optional See 9 Calibration and adjustment Service Manual 203025 CBCT unit Error 18 Error 19 Error 20 Service Manual 203025 7 Error Codes and Trouble Shooting Incorrect number of CCD scanned lines CAUSE R3200 CPU is not receiving enough data from the pan CCD sensor SOLUTION Same as Error 17 DMA Direct Memory Access of the CCD failed CAUSE R3200 CPU internal error SOLUTION Same as Error 17 CCD detector motor timeout CAUSE R3200 CPU does not receive the correct information from R4200 Collimator opto and does not read the position microswitch status SOLUTION Check 1 Use the s2terminal service program to check micros witch operation If microswitch does not
67. ap or collimator movement 7 32 Problem 3 3 Slit motor is not FUNCTIONING ce eeeeseeteseeteseetesteesteeesteeteteeteteeteeees 7 32 Problem 3 4 No Y J MOVEMENES cccccceccscsescsscsessscscsessscsssessucessessusesesensessesees 7 32 Problem 3 5 The panorama imaging not FUNCTIONING A 7 33 Problem 3 6 The 3D imaging is not functioning s es 7 33 Problem 3 7 R3200 R3300 or R3400 does not operate coccccocc0momomomom0 00 7 34 4 Panoramic IMAJIN e E 7 35 Problem 4 1 CCD sensor is not recognized EEN 7 35 Problem 4 2 Image IS Messy maionesa 7 36 Problem 4 3 3D Image is too dark or obt essesseseseseseesetesceeeseeeeeeeeneeeeeeees 7 36 Problem 4 4 Image is completely Clea ss ecsesecesesssseseseeseseeeseeseeeseeteneseeeeees 7 36 S SE COI ena a pri tele gia 7 37 Problem 5 1 3D sensor is NOt reCognized e emeemememnnaneaananmereaeanmenememennmen 7 37 Problem 5 2 Generally poor image csi 7 38 Problem 5 3 Horizontal bars in projection Image ee 7 38 Problem 5 4 Gray scale reduced cerrarse 7 38 Problem 5 5 Shadows in the projection Image 7 38 6 Exposure control scort 7 39 Problem 6 1 Exposure does not start when exposure switch is pressed 7 39 Problem 6 2 Exposure sequence starts but NO X rays c oocicicicicocicocococccncnononcnnnss 7 40 7 X Ray generation iii 7 42 Problem 7 1 No DAY Saint nn 7 42 Problem 7 2 Wrong dose g
68. as successful With the GUI update the new ver sion number will appear on the unit display when the updated has been completed 6 13 6 The s2terminal and service functions CBCT unit Updating the main firmware xf VERY IMPORTANT Updating the main firmware xf MUST be carried out when the unit is in the boot mode To enter the boot mode the task described next MUST be carried out within a certain time period READ THE FOLLOWING INSTRUCTIONS BEFORE STARTING THE TASK 1 Switch the unit on and wait until the following text appears CBCT R3200 boot 2 14 1929 gt Type in the word safe the letters will appear be tween the count down times and then press EN TER The text Staying in boot mode will appear CBCT R3200 boot 2 14 1929 gt 6 5sa 4fe Staying in boot mode If you do not type the word safe quickly enough before the count down time period ends the unit will continue to start up and WILL NOT enter the boot mode If this happens restart the unit and try again WARNING Make absolutely sure that you are in the boot mode before proceeding The text Staying in the boot mode confirms this If the unit is NOT in the boot mode the following steps may cor rupt the flash memory 6 14 Service Manual 203025 CBCT unit 6 The s2terminal and service functions 2 Key in xh to open the firmware update commands S2 Terminal Help xh xi xr xq
69. aulty If CCD sensor is not recognized then replace R4900 assembled under the CCD sensor arm and reboot gt gt If CCD sensor is recognized then the replaced R4900 was faulty gt gt If CCD sensor is not recognized then replace CCD sensor gt gt gt If new CCD sensor is recognized then the replaced sensor was faulty gt gt gt If new CCD sensor is not recognized replace R3200 Service Manual 203025 7 35 7 Error Codes and Trouble Shooting CBCT unit Problem 4 2 Image is messy Action Check condition of the power feed by following trouble shooting instruction Problem 3 5 The panorama imaging not functioning Use the s2terminal and select the service mode and then the test mode no Xray Type pantest which will grab a test image from the camera Open dcm image will be found same folder where s2terminal is located O If test image is OK then check calibration gt If calibration is OK then replace CCD camera gt If not OK then calibrate Scanora 3D O If test image is poor then follow trouble shooting instruction Problem 4 1 CCD sensor is not recognized Problem 4 3 3D Image is too dark or light Action If the 3D image is also dark then follow trouble shooting instructions in 6 Expo sure control Problem 4 4 Image is completely clear Action 7 36 If the 3D image is also fully light then follow trouble shooting instructions in 6 Exposure control Check that slit collimator is not closed O If
70. ccessful completion the pan detector is positioned correctly Service Manual 203025 8 41 8 Unit calibration and adjustment CBCT unit 15 Quality Chech Calibrates the unit so that it reads the different density levels correctly The position of laser lights can also be checked Prerequisites Det X CT Geom 1 Place the adjustable phantom holder on the chin rest and then level it Place the QC phantom on the adjustable phantom holder height of the QC phantom so that the 75 mm light MN e 2 Use the chair up down keys only to adjust the Vv strikes the top light line on the QC phantom La 3 Select QC 4 Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 15 20 seconds and the reconstruction will take from 3 5 minutes When the calibration is complete open the 3D im age use 3D viewing software such as ImageJ The unit reads the density at five different places through the 3D volume 8 42 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 5 The calibration information that appears on the im age is as follows Quality check Passed Measurements results will also appear If Failed check that phantom is correctly posi tioned Check that there is not shadow from the slit on the image check slit x slit size and slit move ment 4a989fee b925 4284 83dd 592802 c1cd2 dcm Gualitvacheck Passed Service Manual 203025 8
71. d the chair is not physically in the lower or upper limit po sition then remove connector J3417 and measure resistance of the cable pins 1 and 4 are for upper limit switch pins 3 and 6 are for lower limit switch If resistance is more than 1 Kohm then replace chair lift If resistance is near 0 ohm then replace R3400 or R5400 If LEDs are not on then check that D16 D18 and D15 down ena and up come on when chair up or down keys are pressed If they do not come on then replace R3400 If they come on check if the Z motor makes a humming noise when it is driven in malfunctioning direction gt gt If it is make a humming noise replace R3400 gt gt If not replace lift motor Important note There are two versions of R3400 Version 1 R3400 version 5 and below has a separate R5400 limit interface board attached to it Version 2 R3400 version 6 and above does not have a seperate R5400 board The limit interface electronics from R5400 are integrated into R3400 Use the following table to reference designators used in trouble shooting guide to match corresponding ones used in R5400 7 50 R3400 D30 D31 J3417 R5400 H1 H2 J5404 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 8 Unit calibration and adjustment 8 1 Introduction The unit calibration procedure helps to maintain the image quality and maintain the correct operation of the unit When carrying out the full or partial un
72. de for GUI It also offers core FW up date service for R3300 101 and R3400 102 as there is no direct connection from the driver of the S2Terminal to these two boards R3300 101 software Controls noncritical movements X ray generator lO etc R3400 102 software Controls noncritical movements IO lights etc Com municates with CPU over a 100Base T interface GUI software Holds the unit calibration data that is transferred to the R3200 CPU during start up 4 2 Service Manual 203025 CBCT unit 4 Firmware description 4 3 Operating modes Imaging mode The usual operation mode X ray imaging is allovved when patient study is started Test mode Service Manual 203025 Same as the normal imaging mode except that the X ray generator is disabled The image is grabbed but not sent to the driver Tests the imaging chain CAUTION Using this mode will delete the last image taken tem porarily stored in the unit memory making it nonrecov erable Useful when problems with movements image grab bing etc need to be investigated Test mode activation deactivation Using the GUI Activated from GUI by touching the T key The T icon on the GUI will change to the active state Deactivate by touching the T key again Using the s2terminal Activate by entering the command testmode 1 Deactivate by entering the command testmode 0 4 3 4 Firmware description CBCT unit 4 4 Firmwar
73. der the direction of the manufacturer or their authorized distributor Service Manual 203025 1 5 1 The CBCT unit service manual CBCT unit 1 6 Disclaimer 1 7 Disposal The manufacturer shall have no liability for conse quential damages personal injury loss damage or expense directly or indirectly arising from the use of its products No agent distributor or other party is author ized to make any warranty or other liability on behalf of the manufacturer with respect to its products At the end of useful service life of the device its spare parts its replacement parts and its accessories make sure that you follow all local national and international regulations regarding the correct and safe disposal and or recycling of the device its spare parts its re placement parts and its accessories The device its spare parts its replacement parts and its accessories may include parts that are made of or include materials that are non environmentally friendly or hazardous These parts must be disposed of in ac cordance with all local national and international regu lations regarding the disposal of non environmentally friendly or hazardous materials Hazardous materials and parts that are made of or contain these materials LEAD Tubehead housing collimator circuit boards TUBEHEAD OIL Inside tubehead CESIUM IODIDE Gel CMOS sensor CCD sensor Service Manual 203025 CBCT unit 2 Mechanical description 2 Mec
74. e folder BasePath Proj Base bath can be found from BasePath string or Scanora 4 xx Tools CBCT Cone Beam Setting Device Work folder Service Manual 203025 7 3 7 Error Codes and Trouble Shooting CBCT unit 7 4 7 To save log files click the right hand side of Reg istry Editor panel with the right hand mouse but ton and select New gt DWORD value and name it LogL Double click the LogL name and enter Value Data in the Edit DWORD Value dialog LogL values are 0 save no log files 2 save driver error messages 4 save error messages and event tracing mes sages consumes a lot of disk space The log files are saved into the BasePath folder with extension log Base bath can be found from BasePath string or Scanora 4 xx Tools CBCT Cone Beam Setting Device Work folder 7 3 Checking the unit Diagnosing faults with the s2terminal The s2terminal includes commands that allow the op eration of the unit to be checked Unit service commands systemstatus allows the functionality of the op tosensors switches and micro switches to be checked drivemotor x x the motor name allows the operation of the different motors to be checked pantest takes a panoramic image of a text pat tern This will allow you to check if the pan CCD sensor is working s2terminal command Downloading raw image xi downloads the last image taken by the unit Refer to section 6 The s2terminal and service fu
75. e states IO cards only have one state The lO cards wait for commands from the main CPU After they receive a command they execute the command and send an acknowledgment of its execution to the main CPU CPU board R3200 has several states that perform various checks during operation of the system R3200 states R3200 control state machine has the following states Init Initialization Idle Select Program select Ready Exposure Transfer Image transfer Error Error Service Off emergency stop Of uton pressed of o Switch unit on t Return pressed Service exit Image discarded and calibrating data received if calibrating Transfer Exposure done or cancelled Program change before GUI freeze 4 4 Service Manual 203025 CBCT unit Service Manual 203025 4 Firmware description Init initialization state During the initialization state the unit carried out sev eral initializations and checks as follows detects the IO boards initializes the generator initializes the collimator initializes the image buffer and calibration data checks states of the detectors checks the state of the exposure button initializes the movements Most of the essential functionality of the unit is tested during the initialization state Note however the x ray generator is not tested Idle state The unit is waiting for an examination to be started by t
76. e the head support rotate it towards the chair and lock it in position with the head support locking lever 2 Rotate the head support adjusting knob until the head support is in the mid point of its travel There is a slight resistance when you reach this point Le 3 Switch the PC and unit on if the unit is on restart it A message will appear on the unit control panel asking you to press and hold the chair down button to complete unit start up CAUTION Crushing Danger Before pressing the chair down button remove all objects for example drawers wheel chairs stools etc from around the chair to avoid damage to the unit or injury to people stops moving A message will then appear asking you to select a patient and then start image cap NY ture si 4 Press and hold the chair down key until the unit 5 PC Open the s2terminal and reserve the unit command xr refer to the section s2terminal for more information Service Manual 203025 8 3 8 Unit calibration and adjustment CBCT unit 6 PC Open the dental imaging software and then open a nevv patient card vvhere you can store the calibration images name it for example calibra tion Refer to the user s manual supplied with the dental imaging software for information on opening patient cards 7 PC Click the image capture The image capture window will open 8 Touch the settings button on the unit display 9 Y The settings page will a
77. e the problem replace thet tubehead If voltage is 1 25 1 26V measure voltage from TP13 mA feedback gt gt If voltage is not 0 58V replace R3800 gt gt gt If this does not solve the problem replace the tubehead gt gt lf voltage is 0 58V check condition of the ribbon cable gt gt gt If cable is faulty replace it gt gt gt If cable is OK replace R3300 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 8 Motion control general There are five main reasons for motion control malfunctions Mechanical malfunction Power supply problem Actuator malfunction Sensor malfunction Control malfunction Mechanical malfunctions are easy to correct because in most cases they are visible or audible These malfunction are not described here In most cases it is recommended that you check the condition of power sup plies first The trouble shooting related the power distributions are described in sections 2 Power distribution mains and 3 Power distribution low voltages Basically checking the state of power indicators LED s will indicate the state of the power distribution Actuator malfunction can be caused by the motor or motor driver electronics To trouble shoot use the s2terminal command drivemotor with suitable param eters s2terminal lists the parameters If there is no motion replace the different components motor electronics or cabling etc one by one until the faulty com ponent
78. ediretivaluelAmAr 166 jalibratedirefivalueil amar 89 Measured fb peakwaluel4mAtye 4 Measured b peakjvaluepLSmaAtsy lo 2 Press OK unit display once to accept the calibra tion data and a second time to return to the calibra tion menu If the calibration was successful the colour of the Preheat button will have changed from black to grey If the calibration was NOT successful the colour of the Preheat button will remain black Repeat the calibration process If it fails again replace R3800 X ray generator and or R3300 IO1 and or the tube head Service Manual 203025 8 9 8 Unit calibration and adjustment CBCT unit 3 Select mA 4 Protect yourself from radiation Repeat the procedure as described in preheat The procedure will last over seven minutes When the calibration is complete calibration values will appear on the PC S CB3D Scout 8 8 2008 9 47 50 lt 66 kY 4 0 m 5 00 s 120 mGycm gt Galibrated refivaluerAmAt 2417 Galibratedirefivalue i mar 2 MeasurediEbjpealivalue AmA als MeasurediEbipealtivalue bm 1 1 6 Press OR unit display once to accept the calibra tion data and a second time to return to the calibra tion menu If the calibration was successful the colour of the mA button will have changed from black to grey If the calibration was NOT successful the colour of the mA button will remain black Repeat the calibration process If it fails again replace R3800 X ray generator and or R330
79. enerated too dark or light images 7 43 8 MOON control Jeneral vista eet 7 45 ne 7 46 Y MOVEME curra o di 7 46 D movements SLO CLO cont bestia mb radi is 7 47 eer E 7 47 C movements collimator ara EE 7 48 S movem nts Slit sra 7 48 9 Zmotion Control ACTIN E 7 49 Problem 9 1 Chair does not move up Or down 7 49 Problem 9 2 Chair moves in one direction only ENEE 7 50 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 22222222222222222222aaammmme 8 1 Siguis o del EE EE REI EE EC rr REI ES marr tery eons IA EC CIE 8 1 8 2 Alignment a Quality Assurance TOD S acotada 8 2 8 3 Preparing for calibration siii 8 3 8 4 The calibration sequence vrai 8 6 8 5 When er calibrate the Unit vicio 8 8 8 6 The Calibration and adjustment procedure EE 8 9 1 Tube calibration Preheat and mA Currenmt 8 9 NEE 8 11 Adjusting the Z lasers aciiccorisciinsnrr rr re 8 14 3 Detector X DEEN enee euer 8 15 Adjusting DE EE 8 18 4 Geometry calibration ca 8 19 E e A qentemrnitr oi 8 21 6 Collimator Y position escindida 8 22 Adj sting the COMM AON atacara metralla 8 24 LEX POSO isis ente oest espe ger 8 25 Adj sting the COMA crac ico 8 27 8 Colimator A re tach geben 8 28 9 GOD X DOS ON rro 8 30 Adjusting the panoramic detec satinado id 8 32 A rs EES Te Pare Ei PEO EA CEC er 8 33 11 Collimator X Panta Mes aia cuna 8 35 12 CODOS cir o ci 8 37 13 Pixelcal
80. er SU sucinta iaa ii 3 27 R3700 X ray OWI SUNY see eebe 3 29 EE CEC a les 3 31 R3900 Mains SUD stilo 3 34 ET COM tica 3 36 R4100 ROO OO scale 3 37 O o A A tel 3 38 R4300 Remote Control cocinando ett 3 39 N4600 OO SEN isa 3 40 R4700 3D panel power Ee E 3 41 R4800 Chin reSt Opt soria 3 43 R4900 Panorama WSIS msi ti 3 44 R5000 Extension Board visa 3 46 R5100 3 phase stepper drtver Aen 3 47 R5200 ESD Prol clean 3 48 R5300 Panel raw power supphy EE 3 49 R5400 Z limit switch interface board AE 3 50 3D detector CIOS ars 3 51 Ethernet switch router 3 51 Panoramic detector CCD hacanisers dsc 3 52 vi Service Manual 203025 CBCT unit 4 Firmware description AAA 4 1 4 ge 4 1 A mt eta cam ame tast eis 4 2 R3200 GPU ia cotes dia 4 2 Boot SOMA murcia 4 2 Main SOWANG cora 4 2 GER E ul 4 2 R3400 le Ee d 4 2 E TE Esaciiniasmsidammyntmmemmnnnnnm mn nn tmda tasts 4 2 4 3 Operating MODS acuccionicnitaaniobieicicnail leticia 4 3 imaging OC E 4 3 TESTA sr incio 4 3 Test mode activation deactivation ooooconninidciconmmomrrrrrrrrrerrrrnrnrnnss 4 3 4 4 Firmware SES a mixtes 4 4 e 4 4 Ui Ee 4 5 GT o A O O mate 4 5 Select program select state sica cias 4 5 e 4 5 Ne 4 6 edu E sms 4 6 Ee 4 6 SAI aaa 4 6 OMNIA Sa ES Games 4 7 4 5 Genectalor NOC CS noia nda 4 7 4 6 Firmware updating in the field surtidas 4 7 5 Imaging Sequence memmmmmaanananannannnanaannaananananananaenanmnnnen 5 1 5 1 Powering up the Unison
81. familiarize yourself with local and national radiation safety standards and require ments relating to x ray equipment When taking test exposures take all adequate precau tions to protect yourself from radiation Stand behind a suitable radiation shield positioned at least two metres six feet from the unit 000 Service Manual 203025 CBCT unit 1 The CBCT unit service manual Warning Mechanical safety 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 or installing accessories Be careful when operating the unit not to get body parts or clothing trapped between moving parts During operation some surfaces and components may become hot Take precautions to avoid burning your self The aperture plate in the collimator is made of lead Pb which is toxic Do not touch it with your bare hands Do not open the tubehead There are no serviceable parts mechanical or electrical inside the tubehead Warning Electrical Safety Service Manual 203025 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 device wait ten 10 minutes after disconnecting the unit from the power supply before handling the board or device If you have to leave the unit unattended with covers removed during
82. ge capture LED 1 3 3V and 1 8V LEDs Supply voltages for the CCD clock control ling FPGA The 3 3V is generated in DIB from VCC_ 5V The 1 8V step down is generated in camera board from 3 3V from DIB LIMITS 3 3V between 3 0 and 3 6V 1 8V between 1 71V and 1 89V LED 2 Analog 5V LED DIB generates this voltage from VSP_ 5V Supply voltage for AD converters LIMITS between 4 5V and 5 5V LED 3 15V 3V and 9V LED DIB generates these voltages from VAP_ 18V CCD gate voltages LIMITS 15V between 13 5V to 16 5V 3V between 2 4V and 3 6V 9V between 9 92V and 9 17V 3 53 3 Electrical description 3 54 CBCT unit Another required voltage is cam permanent DV signal name on the DIB board It is used to power the IC If this voltage is missing all the LEDs will be off TDI clk LED yellow Indicates that the clocking frequency of CCD is available LED Off TDI frequency is between 0 50Hz LED On TDI frequency is between 100 Hz 1kHz LED Flashing TDI frequency is between 50 100Hz or above 1kHz Image LED yellow Indicates pimage cimage sig nal activity It tells detector A D converter to sample image data according to the TDI frequency Power LED yellow Indicates that ppower cpower signal is active Switching regulators of DIB board are enabled after ppower cpower signal becoming active Service Manual 203025 CBCT unit 4 Firmware description 4 Firmware de
83. hanical description 2 1 Main parts and assemblies Upper shelf Rotating unit Column an E A assembly Patient support Exposure f button panel S PC with Scanora Workstation software and 3D viewing software All software must be MDD compliant and conform to the relevant legal requirements in the USA acess ae SSES ER EN ES Service Manual 203025 2 1 2 Mechanical description CBCT unit The Unit comprised a base on which is mounted a chair assembly and a column assembly Attached to the top of the column assembly there is the upper shelf Attached to the underside of the upper shelf is the rotating unit Fixed to the side of the chair assembly there is the pa tient support assembly which supports the patient s head when the patient is seated in the chair The control panel for operating the unit is attached to the front of the column assembly refer to the user s manual for a description of the control panel A holder attached to the side of the control panel holds the remote control This is used to position the pa tient refer to the user s manual for a description of the remote control The exposure button is attached to the side of the column APC with MDD compliant dental imaging software and 3D viewing software is connected to the unit via an Ethernet cable Service Manual 203025 CBCT unit 2 Mechanical description 2 2 The column assembly A MAS C
84. hbr e ta OEE 8 39 14 CCD EPS ssrdsn tiina ei ia 8 41 15 Quality ONE noc bread 8 42 16 Dose CAMDESAIONS tesis been demeltibeei ttemtstecittumemsntbss ech 8 45 8 7 The Panoramic QA procedure Optional 8 47 Service Manual 203025 xi CBCT unit 9 Maintenance procedure 2 ssseseeeeeseeeeneesneeeneeeneeeeneeeeees 9 1 9 1 Calibration and AGJUSUNGIN ars stat 9 1 9 2 Ground OS in 9 1 9 3 DAP calibrato as 9 1 9 4 Motor movements coccccccccnnnnnnccconnnnnnnnnnnnnnnnnnnnnnnnnnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnns 9 2 9 5 Position detechors 9 2 9 6 Mains power supply cable 9 2 9 7 MUD GINGA uiminen ne a a a eeleren 9 2 9 8 Covers and Labels ooooocnnnccnnnncccnccnnnnncononcconononononannnnnnnnnnnnnnnnnnnnnnonononnnns 9 2 9 9 FE E 9 2 10 R placing TC 10 1 10 1 Th t behead tia dd 10 1 10 2 The 3 D CMOS SONO ucacacansia io ia caca 10 6 10 3 The panoramic CGCDsensor EE 10 14 10 4 The chair MOtOTF ide 10 16 10 5 The cable Mac cionado geehrt seenen 10 23 A e mandmmnbdit 10 26 xii Service Manual 203025 CBCT unit 1 The CBCT unit service manual 1 The CBCT unit service manual 1 1 Introduction This manual describes how to troubleshoot and serv ice the 3D cone beam computerized tomography x ray unit the CBCT unit 1 2 The CBCT unit The CBCT unit is a cone beam computerized tomog raphy x ray system intended to take digital images of the dentomaxillofacial complex It uses
85. he driver The service state can be entered during this state The unit will enter the error state if a system error oc curs Select program select state The unit initializes the selected program and enters the ready state when system is ready to take an exposure If the examination is ended the unit will return to the idle state The unit will enter the error state if a system error oc curs Ready state The unit is waiting for the exposure button to be pressed Once it notices that the button has been pressed the exposure state is entered If the exposure program is changed when the unit is in the ready state the unit will revert to the select state The unit will enter the error state if a system error oc curs 4 5 4 Firmware description CBCT unit Exposure state The unit carries out the selected exposure program and when completed proceeds to the transfer image transfer state The exposure button is monitored during the exposure Rotation and detector movements are also monitored If a fatal error occurs and no image has been cap tured the unit will enter the error state lf an image has been captured the unit will enter the transfer state and transfer the image to PC and then enter the error state Transfer image transfer state The unit waits for the image transfer to be completed Any calibration actions are handled if the exposure program was a calibration program The exposure counter is upda
86. head Type satellite connector board D motor Panoramic detector Location rotating unit detector head Emergency stop button Location front column Ethernet switch router Location electronics cabinet Exposure switch Location front column it is connected to the elec tronics cabinet Generator fan filter Location rotating unit tubehead assembly GUI PC Third party GUI PC board It communicates via the internal Ethernet Location electronics cabinet GUI PC Power Supply Location electronics cabinet GUI touch panel monitor Location front column 3 5 3 Electrical description CBCT unit Mains filter Location base Mains transformer Location electronics cabinet Panoramic detector CCD optional Location rotating unit detector head Panoramic focal trough laser Location rotating unit detector head Panoramic Z laser Location rotating unit detector head Positioning lasers FOV bottom FOV top two three or four depending on model FOV center sagittal plane Location rotating unit R motor Rotation Location rotating unit top part S motor Slit Location rotating unit tubehead assembly Warning light connector Location base X motor 3 phase stepper Location upper shelf X positioning coronal plane Location upper shelf X ray tube Location rotating unit tubehead assembly Y motor 3 phase stepper Location
87. heck and if necessary replace cable between J3303 and J3202 gt gt gt If voltage is near OV then replace R3200 Service Manual 203025 CBCT unit EXPOSURE VVARNING LIGHT 7 Error Codes and Trouble Shooting Service Manual 203025 CONNECTOR BOARD R3900 FSP180 50MP ATX POVVER J3911 gt 3l pe te It ON dem i TJ teles gt WARNING LIGHT J3909 F3 0 250V 2Amax 1 DS Opto isolator 2 Gw Exposure switch J3907 J3905 E I To R3300 2 2 2 7 41 7 Error Codes and Trouble Shooting CBCT unit 7 X Ray generation
88. hold the cable track cables in position Also remove the two cable clamps and the ground lead Disconnect all the cables 5 Remove the cable track and cable from the upper shelf 6 Install the new cable track Service Manual 203025 10 25 10 Replacing parts CBCT unit 10 6 GUI PC 1 Remove the main cover from the electronics cabi net 4 screws two in top of the electronics cabinet and two on the underside 2 Unplug all the connectors and ground lead from the GUI PC and then remove it from the electronics cabinet 5 Torx screws 10 26 Service Manual 203025 CBCT unit 10 Replacing parts 3 Install the new GUI PC reconnect all the cables the ground lead and then replace the cover Recalibrate and align the unit Refer to 9 Unit cali bration and adjustment Service Manual 203025 10 27
89. ic mat is used connect the wrist wrap to the mat and the mat to the ground potential Wash the wrist wrap and check that it is in good condi tion frequently 0 Service Manual 203025 CBCT unit 1 The CBCT unit service manual Warning Explosion hazard Some disinfectants and cleaning agents may vaporize to form an explosive vapour lf such disinfectants and cleaning agents are used the vapour should be al lowed to disperse before switching the unit on Warning Cleaning the unit Switch the unit off and disconnect it from the main power supply before cleaning or disinfecting the unit Refer also to the User s manual for additional informa tion 1 5 Unauthorized Modifications Unauthorized changes or modifications to any part of the unit or its equipment can have hazardous conse quences Changes or modifications must not be made unless specifically authorized by the manufacturer When properly assembled with a compatible beam limiting device the diagnostic source assembly will fully meet the United States of America Federal Perfor mance 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 Never adjust any part of the beam limiting device un less un
90. ice Manual 203025 CBCT unit 8 Unit calibration and adjustment 3 Detector x position Calibrates the position of the 3D detector in the hori zontal direction This ensures that the 3D detector is correctly positioned in relation to the center of rotation Prerequisites Preheat mA current Lasers Z 1 Place the adjustable phantom holder on the chin rest and then level it Place the 3D phantom on the adjustable phantom holder NOTE Use the chair up down keys only to adjust the height of the 3D phantom The horizontal lights will strike the appropriate lines on the 3D phantom Use the FOV position keys to zero 0 the X and Y coordinates that appear on the unit display PR 2 Select Det X 3 Protect yourself from radiation Press and hold down exposure button The calibra tion will take about 30 seconds When the calibration is complete images must ap pear on the PC Service Manual 203025 8 15 8 Unit calibration and adjustment CBCT unit S CB3D Scout 8 8 2008 12 36 55 lt 85 kY 8 0 mA 4 50 s EI j E S CB3D Scout 8 8 2008 13 09 50 lt 85 k 8 0 MA 4 50 s lum cle Adjustment de detX 5 8 mm Passed detTilt 0 0 mm Passed e o xGttset 0 l mm Passed xlit 1 1 mm Passed SEI EE En Falled vyOtiset 1 1 mm Passed Vi Ana Passed yTilt 1 6 pm WC cosa odio led The calibration information that appears on the im ages is as follows detX position of the 3D detector in
91. ifier Transformer 3 30 Service Manual 203025 CBCT unit 3 Electrical description R3800 X ray generator WARNING Dangerous mains voltage on part of this board The dangerous part is marked with crosshatched lines LA1 also indicates when there is live voltage on the board R3800 DESCRIPTION The board has two main functions To generate 360Vp p AC voltage for tubehead from the mains supply voltage 230 VAC and to generate the filament voltage for the tubehead and the feedback signals R3800 LOCATION In the tubehead assembly R3800 FUSES None R3800 INDICATOR LIGHT LA1 Light indicates dangerous voltage mains ON DANGER mains voltage present OFF No voltage R3800 INDICATOR LEDS D1 FIV Filament power supply D2 15V D3 PREH D30 HVGND D31 EXP 3D flashing pan constant D32 FAIL Service Manual 203025 3 31 3 Electrical description CBCT unit 3 32 R3800 TEST PINS Warning Test pins TP1 TP4 have galvanic connection to mains voltage 15V 15V when power is on TP1 to TP2 HVGND FETAD Pulses appear when taking exposure approx 15Vpp TP3 to FETBC Pulses appear when taking exposure approx 15Vpp TP4 to TP2 FAN OVERRIDE Not in use EXPENA Controls radiation 0 radiation OFF approx 15V radiation ON KVFB Feedback from tube voltage scale 1V 20kV exp ON KVREF Reference voltage for tube voltage scale 1V 20kV exp ON Not for service use GND Ground point similar to TP16 for TP5 TP
92. ion and is waiting for image capture from the dental imaging software to be activated a message requesting t his will appear on the GUI SELECT The imaging program and technique factors can be selected When the RETURN key is pressed to drive the rotating unit to the ready position the unit will enter the next state ready READY The unit is ready to take an exposure The text READY will appear on the GUI EXPOSURE The unit will enter this state when the exposure switch is pressed and held down The unit will enter the next state when the exposure button is released after the exposure is complete 6 6 Service Manual 203025 CBCT unit Service Manual 203025 6 The s2terminal and service functions TRANSFER CHECR The image is being transferred from the unit to the PC Note that image transfer already starts during expo sure SERVICE The only state from which the service commands can be accessed ERROR The unit will enter this state if it malfunctions An error message will appear on the unit GUI and the s2termi nal if itis connected OFF Indicates that firmware upgrades have been completed and the unit must be restarted for the upgrades to be activated 6 The s2terminal and service functions CBCT unit Description of the unit commands cancel Changes the state of the unit from init to idle so that you do not have to press and hold dovvn the chair down button during start up to complete the second pa
93. is located Sensor malfunctions can be solved in same way than actuator malfunctions Setting the unit to service mode and using s2terminal command systemstatus which will show status of all sensors optos micro switches remote controller Trouble shooting is easy Manually move the assembly and at the same time follow the status changes of respective sensor If the status does not change replacing sensor or related cabling will fix the problem If none of above solves the problem then faulty item is one of logic boards R3200 R3300 or R3400 No step by step trouble shooting guides for motion control except for Z mo tion is included here because the motion problems are easy to solve with gen eral guideline given above However the related block diagrams are included here to help you determine which components actuate which motion Service Manual 203025 7 45 7 Error Codes and Trouble Shooting CBCT unit
94. it calibration pro cedure the calibration and check steps must be carried out in the order in which they are listed With Calibrate steps the unit will automatically adjust the unit to the optimum setting If a calibration step fails it indicates that the unit can not calibrate itself to the optimum setting and the unit must be manually adjusted After manually adjust ing the unit repeat the calibration step If the unit fails again repeat the process until the unit passes the cali bration step After this repeat the remaining calibration steps With Check steps the unit does not automatically adjust the unit The unit must be manually adjusted if required During the unit calibration procedure calibration data is produced This data is stored in the GUI Also 2D calibration and preview images are produced These images will appear on the GUI and should be saved in the dental imaging program IMPORTANT NOTE ONLY use the Seat Height adjusting keys on the re mote control to adjust the height of the QC and 3D phantoms DO NOT use the head support height adjusting keys Service Manual 203025 8 1 8 Unit calibration and adjustment CBCT unit 8 2 Alignment a Quality Assurance tools Geometry phantom Quality assurance phantom Ball and pin phantom panoramic Levelling base Copper filter 8 2 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 8 3 Preparing for calibration 1 Clos
95. it is closed then recalibrate the unit Check that CCD sensor is positioned correctly o Check that sensor is not damaged mechanically If it is correct or replace the damaged mechanical parts or replace the sensor o Check that rotating unit moves correctly and stops at right home positions by entering the service mode s2terminal typing the command drivemotor d with parameters c or p c CT position p PAN position gt If motor does not move correctly follow trouble shooting instructions 8 Mo tion control general Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 5 3D imaging 3D IMAGING CHAIN CPU BOARD Legends 3D FLAT PANEL d q HW Implemented by HW en P VHDL Implemented by VHDL in the FPGA eee Eth PHY 8 sw 8 Implemented by Nios SW in the FPGA J3208 J19 ai je DDRAM MEM PANEL POWER R4700 33202 34703 3D_PANEL_PWR_ENA 9 1 y 7 Ee 16 2 d J4702 J22 5V_ANA 1 1 PANEL RAW SUPPLY a GND De R5300 5V_DIG 3 Y 2 lu De E GND_ANA 4 3 GND ANA tv 1 GND_DIG 6 4 45V_ANA t 2 J4701 a 5 GND CH 1 GND ANA E POWER SUPPLY 2 8V_ANA R3
96. lect the patient service command Starts fake study without using driver patient and take a test image After taking an image key in xr and then press ENTER xr Mode RESERVE The text RESERVE will appear which indicates that the s2terminal is now active again Service Manual 203025 CBCT unit 6 The s2terminal and service functions 4 Key in xi and the press ENTER x1 The last image taken by the unit will be download ed from the unit memory in the previously created subfolder Note that if the image is a panoramic it will be saved in the s2terminal folder and NOT the im ageseries subfolder Image will be saved in DCM DICOM format The saved image can be opened with the dental imag ing software or image viewers such as ImageJ or IrfanView NOTE If the unit was switched off after the last image was taken the image will be lost 5 Key in xq and then press ENTER xq Service Manual 203025 6 The s2terminal and service functions CBCT unit 6 3 Updating firmware Core updates gui r3200 3300 3400 1 Make sure that the unit is switched on and ready to take an exposure refer to user s manual 2 lf an s2terminal folder has not already been cre ated in the PC connected to the unit create one 3 Copy the update firmware and s2terminal if has not been previously installed into the new folder The update names are gui pof r3200 pof r3300 pof r3400 pof cbctfw srec command xf 4 Key
97. lete images will ap pear on the PC The calibration information that appears on the im ages is as follows ccdX pan detector position in the x axis Passed the detector must be positioned correctly to within 0 2 mm If Failed the pan detector must be adjusted ccdTilt pan detector tilt Passed the detector tilt must be less than 0 5 mm If Failed the pan detector must be adjusted Service Manual 203025 CBCT unit 8 Unit calibration and adjustment S CB3D Scout 8 8 2008 14 49 56 lt 85 kY 8 0 mA 0 01 s 0 78 mGycm gt Failed Movegccd 3 51 mm left cod il 0 07 mm Passed Service Manual 203025 8 31 8 Unit calibration and adjustment CBCT unit Adjusting the panoramic detector 1 Loosen the detector holding screws at the top of the detector for the adjustment s you need to make 2 Adjust the position of the detector using the adjust ment screws Clockwise moves detector to the left Counterclockwise moves detector to right when looking at the active side of the detector CCD X axis adjustment CCD tilt adjustment Holding screws Adjusting screw Adjusting screw Holding screws 3 Tighten the holding screws recalibrate and read just is necessary After successful calibration the panoramic detector will be correctly positioned 8 32 Service Manual 203025 CBCT unit 10 Slit size Service Manual 203025 8 Unit calibration and adjustment Calibrates the slit size for the 3D FOVs P
98. ly pulled off as they are held in position with hook and loop fasteners 3 Remove the cover plate from the top of the chair 4 screws 10 16 Service Manual 203025 CBCT unit 10 Replacing parts 4 Remove all the cable ties that hold the cables to the chair and then disconnect all the cables Also remove the ferrite rings from the cables that go to the motor 5 Remove N4600 Opto sensor so that you do not damage it when removing the seat base Service Manual 203025 10 17 10 Replacing parts CBCT unit 6 Remove the backrest 1 the foot rest 2 and the patient support arm 3 7 Slide the seat backwards so that the cutout in the seat mechanism is next to the hole through which the cables are routed 10 18 Service Manual 203025 CBCT unit 10 Replacing parts 8 Remove the six 6 screws that hold the seat mechanism to the traction and guide brackets 3 for each bracket If the chair has not already been driven to its low est position it can be done now by rotating the motor axle nut Service Manual 203025 10 19 10 Replacing parts CBCT unit 10 Remove to the screws that hold the traction and guide brackets in position 2 screws per bracket Also remove ground lead from the motor 11 Remove the screws 2 that hold the cable harness to the guide bracket Remove both the traction bracket and the guide bracket 10 20 Service Manual 203025 CBCT unit 10 Replacing parts 12
99. m copper filter to the front of the collimator Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 30 seconds When the calibration is complete an image will ap pear on the PC The calibration information that appears on the im ages is as follows CT detector calibration Signal level xxxx Passed Dark levels xx xx Passed Uniformity xx Passed There must be no stripes on the image If Failed Cu filter not in position Recheck CCD X and Slit size 8 Unit calibration and adjustment CBCT unit S CB3D Scout 8 8 2008 14 53 55 66 kY 5 0 mA 15 0 s 45 6 mGycm2 gt CCD detector calibration Dark levels 23 118 Uniformity 10 5 Remove the copper filter After successful completed the gain file and dark current compensation are correct 8 38 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 13 Pixel calibration Service Manual 203025 Calibrates the 3D detector gain and darh current Precondition Slit size 1 The unit must be in the same position as for the calibration test ColY 2 Select Det pix 3 Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 30 seconds When the calibration is complete an image will ap pear on the PC The calibration information that appears on the im ages is as follows CT detector calibration CQT Critical To Quality
100. mains voltage Off Voltage less than 65V On DANGER Voltage more than 65V R3900 INDICATOR LEDS None R3900 TEST PINS TP1 Ground Test point for secondary side grounding NOTE Not suitable for measuring the mains side grounding 3 34 Service Manual 203025 CBCT unit 3 Electrical description R3900 Block diagram Exposure svvitch R3900 Exposure switch signal from R4200 signal to R3300 J3907 1 2 J3905 1 2 Warning light auxilla Optical I i i Isolation f 12Vdc input J3911 1 3 i Isolated mains input NOT USED Isolatedmainsto l from mains transformer F2 GUI PC power supply J3908 1 2 gt J3910 1 2 IAEA DANGER LIVE SIDE H4 O Mains to GUI PC Mains to R3400 J3901 1 2 Mains to R3700 Mains to mains transformer J3904 2 4 5 6 J3902 1 3 Service Manual 203025 3 35 3 Electrical description CBCT unit R4000 Connector R4000 DESCRIPTION Distributes the low DC supply signals to R3200 CPU R3300 IO1 and R3500 CCD power supply R4000 LOCATION In the detector head R4000 FUSES None R4000 INDICATOR LEDS None R4000 TEST PINS None R4000 Block diagram Line Voltage 3 36 Service Manual 203025 CBCT unit 3 Electrical description R4100 Rotator opto Service Manual 203025 R4100 DESCRIPTION There are four of these boards in the unit They moni tor the position of rotating u
101. n position after the screws have been removed Pull the tubehead backwards and off of the pins 10 4 Service Manual 203025 CBCT unit 10 Replacing parts 8 Install the new tubehead Reconnect all the cables IMPORTANT NOTE When replacing the two nuts on the front side of the tubehead assembly DO NOT tighten then too much IF they are over tightened the screws in the tubehead housing to which they are attached could loosen and cause the tubehead to leak 9 Calibrate the unit Section 10 Replace all the covers Service Manual 203025 10 5 10 Replacing parts CBCT unit 10 2 The 3 D CMOS sensor 1 Switch the power to the unit off and disconnect dis able the power supply 2 Manually pull the rotating unit away from the col umn so that you can access the sensor head cover screws 3 Loosen the four 4 screws that hold the back sen sor cover in position 10 6 Service Manual 203025 CBCT unit 10 Replacing parts Remove the cover 4 Remove the stop plate and then rotate the pan detector backwards so that you can access the two 2 screws that hold the CCD upper cover in posi tion Service Manual 203025 10 7 10 Replacing parts CBCT unit 5 Remove the two 2 screws and lift off the CCD up per cover 6 Remove the two 2 screws that hold the CCD rear cover in position 10 8 Service Manual 203025 CBCT unit 10 Replacing parts Remove the cover lt d
102. n Check that there is 28V on R3400 by measuring the voltage from J3404 pins 1 and 2 o Ifthe voltage is present then follow trouble shooting instructions in section 8 Motion control general for information on what to do O If the voltage is not present check that 28V LED on R3100 is on gt If LED is not on check fuses gt gt If fuses are OK then replace R3100 gt If LED is on check cable between R3100 and R3400 Replace if faulty 7 32 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Problem 3 5 The panorama imaging not functioning Action Switch the unit on disconnect cable from J3503 on R3500 and check the LED s on R3500 O If all LED s are on then measure voltages from the connector X191 on the CCD sensor gt If the voltages are OK then replace CCD sensor gt If some of the voltages is missing then replace the cable between X191 and J3502 O If non of the LED s are on then measure voltages at J3501 If voltages are OK replace R3500 gt If voltages are not OK then follow the trouble shooting instructions in Prob lem 3 2 No X R Detector swap or collimator movement o If some of the LED s are not on replace R3500 Problem 3 6 The 3D imaging is not functioning Action Launch the s2terminal go to the service mode and select test mode no X rays and no move ON Type autotest 1 c into the s2terminal and check the LEDs D3 and D4 on the R4700 O If both LEDs
103. nalling Y motion control signalling Slit motor control signalling R3200 FUSES None R3200 INDICATOR LEDS R3200 REL 3 and below Giga Ethernet status LEDs D1 Duplex mode D2 1GB D3 100MB D4 10MB D5 Link activity 100M Ethernet status LEDs D6 100MB D7 Link activity D8 Duplex mode D9 10MB 3 18 Service Manual 203025 CBCT unit 3 Electrical description Internal power status LEDs D11 5V input OK D13 1 25V OK D14 1 2V PLL OR D15 1 8V OK D16 2 5V OK D17 2 1V OR R3200 REL 4 and above Giga Ethernet status LEDs D1 Duplex mode D2 1GB D3 100MB D4 10MB D5 Link activity 100M Ethernet status LEDs D6 100MB D7 Link activity D8 Link OK Motor power status LEDs D9 24V switched ON D10 5V switched ON Internal power status LEDs D11 5V input OK D13 1 25V OK D14 1 2V PLL OR D15 1 8V OK D16 2 5V OK R3200 TEST PINS None Service Manual 203025 3 19 3 Electrical description CBCT unit R3200 Block diagram R3200 Es DDRAM Oscillator RFACES O INT m EXTERNAL COMMUNICATION 1GB J3210 INTERNAL COMMUNICATION amp E amp O Co NINJ N alojo NIN a a oO N Y 8 Sak jm Su olv m he 7 CYCLONE II FPGA 100MB PHY J3211 cele le O CO Co NIINI N sch O oy RY AR O 4 U gt Ka EL IF a Wi N CH 00 y gt NO ES AMA CMOS IF SERIAL IO J3213 a wo N CH al v ANO SUP
104. nc tions Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Checking circuit boards Circuit boards cannot be repaired in the field Some boards have fuses that can be replaced However if a board is faulty replace it On most of the circuit boards there are indicator LEDs D and test pins TP that allow the operation of the board to be checked and or tested The LEDs and test pins for each circuit board are described in the section Electrical Description Use a digital multimeter DMM when checking boards DANGER HIGH VOLTAGE R3400 102 R3700 X ray power supply R3800 X ray generator and R3900 Mains connector include high voltage indicator lamps Glim When a high voltage lamp is on it indicates that high voltage is present DO NOT touch the board until the high voltage has dissipated and the lamp has gone out CAUTION When handling circuit boards take all necessary pre cautions to prevent the build up of static electricity and possible static damage to the boards Checking cables and connectors Service Manual 203025 Visually check cables for mechanical damage cuts damaged insulation and bad twists If a cable is dam aged in any way replace it If there is no obvious mechanical damage to a cable but you think that it may be faulty use a digital multi meter DMM to check the resistance of the different wires within the cable An undamaged wire will have close to no resistance gt
105. ng knob At the top of the head support there is the chin rest Various patient positioning accessories can be at tached to the chin rest to support the patient s head On both sides of the chinrest there are temple sup ports that can be manually closed to support the patients head with the temple supports knob Service Manual 203025 CBCT unit 2 Mechanical description 2 5 The chair assembly Seat Bach rest Chair Arm rests Leg rests Au J e Arm rests A A US Chair base Back rest positioning knob Service Manual 203025 2 9 2 Mechanical description 2 10 CBCT unit The chair assembly comprises the chair base and the chair A motor in the chair base adjusts the height of the chair so that the patient can be positioned in the vertical direction The chair comprised the seat the back rest the arm rests which can be lifted up to allow patient entry and exit and the leg rests A motor in the seat allows the patient to be positioned in the backwards forwards direction The back rest positioning knob at the rear of the chair allows the position of the backrest to be adjusted for different size patients The seat and backrest upholstery are attached to the chair assembly using hook loop Velcro tape An optional seat cushion is available to position chil dren at the correct height Service Manual 203025 CBCT unit 2 Mechanical description 2 6 Unit movements and motors
106. nit motor R4100 LOCATION In the top part of the rotating unit R4100 FUSES None R4100 INDICATOR LEDS None R4100 TEST PINS None R4100 Bloch diagram R4100 O mf Az ND e 40 H O mf Q O 3 37 3 Electrical description CBCT unit R4200 Opto sensor R4200 DESCRIPTION There are two of these boards in the unit One moni tors the position of collimator motor and the other the detector motor R4200 LOCATION One in the tubehead assembly One in the detector head of the rotator for the detector swap R4200 FUSES None R4200 INDICATOR LEDS None R4200 TEST PINS None R4200 Block diagram Opto Transistor Transistor 3 38 Service Manual 203025 CBCT unit 3 Electrical description R4300 Remote control R4300 DESCRIPTION The control used by the user to operate the unit R4300 LOCATION In the remote control R4300 FUSES None R4300 INDICATOR LEDS None R4300 TEST PINS None R4300 Bloch diagram Chin Up zl e Le Lights Chair Up X Y v d K Service Manual 203025 3 39 3 Electrical description CBCT unit N4600 Opto sensor N4600 DESCRIPTION There are two of these boards in the unit One moni tors the position of Y motor and the other the position of the of X motor The board comprises three optical switches that generate sensor signals N4600 LOCATION One in the upper shelf One in the ch
107. nlet Front Column GUI Mains J3903 J3901 J3412 PROTECTIVE EARTH Chin Moving Rest of J3411 R3400 SI i O Service Manual 203025 3 Electrical description Mains F1 Wien MAINS FILTER CTT II E ES os MAINS 3 13 3 Electrical description CBCT 3 14 Service Manual 203025 CBCT unit 3 Electrical description 3 5 Circuit board descriptions R3100 Power supply R3100 DESCRIPTION The main function is to generate the voltages needed for internal operation of the unit It also has also a shutdown feature that can switch the 24V off as well as control the mains relay located in the electronics cabinet The input voltage comes from the mains transformer Input AC voltages are rectified and regulated by a lin ear regulator or a switcher regulator Power shutdown is implemented by controlling the enable switch off input of the 24V regulator R3100 LOCATION In the electronics cabinet R3100 INPUTS 24Vac mainly for motors 12Vac for Ethernet switch 12Vac for logic and for 3D panel digital power R3100 OUTPUTS 24Vdc for the stepper DC motors and the CCD pow er supply 8Vdc for 3D sensor power supply 7 5Vac for the Ethernet switch 5Vdc for the logic boards R3100 FUSES F1 TO 75A 250V F2 F3A 250V F3 T2A 250V F4 T6 3A 250V F5 T5A 250V All fuses are UL approved When replacing fuses ALWAYS use the same type ra
108. nsor replace if faulty Replace R3400 102 board NOTE with GUI version 1 5 this error is 34 CCD power failure CAUSE R3200 CPU is not receiving data from the pan CCD detector SOLUTION A power supply L Check power LED s on the pan CCD detector during power up for the correct voltages see sec tion Electrical description Panoramic detector for LED descriptions Check wiring between R3500 CCD power supply and the pan CCD sensor J3502 X191 Replace if faulty SOLUTION B data wiring lL iii Check wiring between the pan CCD detector and R4900 Panorama interface X190 J4901 Replace if faulty Check the wiring between the two R4900 Pano rama interface boards J4902 J4902 Replace if faulty Check the connector between R4900 Panorama interface and R3200 CPU J4904 J3208 Replace if faulty Check both of the R4900 Panorama interface boards Replace if either or both are faulty PY 7 Error Codes and Trouble Shooting CBCT unit 7 18 Error 17 V Vi Check the R3200 CPU replace if faulty Replace the pan CCD detector Ifyou replace the pan CCD detector you must carry out the following calibrations 11 Collimator X panorama 9 CCD X position 12 CCD pixels 14 CCD EPS Dose calibrations 16 to 19 are optional See 9 Calibration and adjustment Configuration of CCD failed CAUSE The data from the pan CCD sensor to R3200 CPU is corrupted or c
109. olumn assembly I a Rear column llo__ O O Electronics cabinet ALL Front column Remote control connector 3 o decke VVARNINGI This X ray unit may be dangerous to patient and operator unless safe exposure factors operating instructions and 0 maintenance schedules are observed 0 0 o Exposure switch connector Mains fuses Underside of electronics cabinet Service Manual 203025 2 3 2 Mechanical description CBCT unit The column assembly comprises a front column and a rear column An emergency stop knob is lo cated on the chair side of the front column Between the front and rear columns is the electronics cabinet which houses the HD and circuit boards are located The on off switch for the unit the main fuses and the exposure switch and remote control connectors are located on the underside of the electronics cabinet Service Manual 203025 CBCT unit 2 Mechanical description 2 3 The rotating unit H AS L Detector head Hp assembly Rotating unit Tubehead assembly Detector head AS 3D CMOS flat panel as OPTIONAL panoramic CCD detector Detector head 3D CMOS flat panel OPTIONAL panoramic CCD detector Service Manual 203025 2 5 2 Mechanical description CBCT unit The rotating unit is attached to the upper shelf The rotating unit comprises the tubehead assembly and the detector head In the top of the rotating unit there is a
110. onnection does restart replace R3200 Service Manual 203025 7 27 7 Error Codes and Trouble Shooting CBCT unit Problem 1 4 No connection to R3300 Action Switch the unit on and check that R3300 and the Ethernet switch receive power see problem 3 7 R3200 R300 or R3400 does not operate Move the Ethernet cable from R3300 to another port in the Ethernet switch and reboot the unit o If connection restarts then the switch is broken Replace it Bypass cable track in upper shelf by using a separate Ethernet cable between R3300 and the Ethernet switch Reboot the unit o If connection restarts then cable is faulty Replace whole cable track in up per shelf o If connection does not restart replace R3300 Problem 1 5 No connections to R3400 Action Same trouble shooting as Problem 1 4 No connection to R3300 Problem 1 6 No connections to the GUI PC Action Same trouble shooting as Problem 1 4 No connection to R3300 7 28 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 2 Power distribution mains MAINS TRANSFORMER MAIN R3900 FILTER F1 MAINS SW CONNECTOR BOARD 53902 l ay LE ore J3904 1 5
111. operate re place it Pan detector does not move i Use the s2terminal command drivemotor to check that R5100 3 phase stepper driver is receiving power 5V and 28V LED s are on If not check the low power schematic to locate the problem ii Check wiring between D motor and R5100 3 phase stepper driver Replace if faulty iii Check wiring between R3300 IO1 and R5100 3 phase stepper driver J3312 J5101 Replace if faulty 7 19 7 Error Codes and Trouble Shooting CBCT unit Error 21 7 20 iv vi Check the R5100 3 phase stepper driver replace if faulty Check R3300 IO1 replace if faulty Replace the D motor Pan detector moves but cannot find the correct position i IL iii Check the belt tension Check wiring between R4200 Detector opto and R3300 IO1 J4201 J3302 Replace if faulty Check R4200 Detector opto replace if faulty Replace R3300 IO1 Calibration data receive timeout This error may occur during the QA Quality assur ance procedure Use the s2terminal to check for this error as it may not appear on the GUI CAUSE The GUI PC does not send calibration data to R3200 CPU within the timeout period SOLUTION lL Check the cables between the GUI PC and R3200 CPU Replace if faulty The GUI PC not functioning Replace If you re place the GUI PC the unit must be completely recalibrated See 9 Calibration and adjustment Service Manual 203025 CBCT unit Err
112. or 1 3 Caution Electrostatic decharge AANEREN 1 4 Warning Explosion WAZ An emesos ica 1 5 Warning Cleaning the unt 1 5 1 5 E De En Wee e Sisa ro 1 5 ns A 1 6 o A E EE EE 1 6 2 Mechanical descriDUOntmeeci oi sstzmnmm tttestesmme essent 2 1 2 1 Main parts and assemblies AEN 2 1 2 2 The column assembly rn 2 3 23 The rotating Ulla iran 2 5 2 4 The patient Support assembly AEN 2 7 2 5 The Chall ASSO DY carton 2 9 2 6 Unit movements and MOTOS cuanto 2 11 C movement Collimator sii tes tametmsomstt 2 11 D movement Panoramic detector Optional 222222e eeee 2 11 R movement Rotating UNI rra 2 11 gt MOVEMENT E E 2 12 X movement Rotating unit cec itin ell 2 12 J movement Patient support assemblhv un 2 13 Movement Chal sucinta Dti 2 13 EIERE ee 2 13 Service Manual 203025 V CBCT unit 3 Electrical E dl ed ies esa ais 3 1 3 1 Electic componenti localo M EE 3 1 E pudes Ls AE EE 3 1 Other electric CO VIC SS cnt 3 2 3 2 List of circuit boards and electric devices n 3 3 3 4 Schematic dagrams ee 3 7 FUSSQUIA Seminar 3 7 Su E 3 8 Signaling E 3 9 BAR A ennen 3 10 Low power wiring Zips 3 11 Mains power wiring isis 3 12 NS power Wining Perra 3 13 3 5 Circuit board Kee 3 15 R3100 Power supply eses 3 15 R3200 CPU Central Processing Uni usina 3 18 R3300 107 Ip rQu tp t se tattered a aries etree enamine eae meric 3 21 R3400 1O2 Input Output 2 Board esta 3 24 R3500 CGD Pow
113. or 22 7 Error Codes and Trouble Shooting DMA of 3D panel failed CAUSE 3D detector did not send picture data to R3200 CPU SOLUTION I iii Error 23 Check cable between the 3D CMOS detector and R3200 CPU Replace if faulty Check cable between R4700 3D panel power sup ply and 3D detector Replace if faulty Check R4700 3D panel power supply replace if faulty Check R3200 CPU replace if faulty Replace the 3D detector If you replace the pan CCD detector you must carry out the following calibrations 3 Det X 4 Geometry calibration 6 Collimator y 8 Collimator X CT 10 Slit size 11 Collimator X panorama 12 CCD pixels 15 Quality check Dose calibrations 16 to 19 are optional See 9 Calibration and adjustment Configuration data has corrupted CAUSE The flash memory configuration data is missing or is corrupted SOLUTION Replace R3200 CPU and calibrate the unit again Service Manual 203025 7 21 7 Error Codes and Trouble Shooting CBCT unit Error 24 Voltage RV failure in R3800 X ray generator CAUSE The kV feedback from the generator to R3200 is not within the tolerance SOLUTION L Check the cable between R3300 101 and R3800 X ray generator Replace if faulty ii Check R3300 101 replace if faulty IW Check R3800 X ray generator replace if neces sary Error 25 Current mA failure in R3800 X ray generator CAUSE The mA feedback from the generator to R3200 is
114. otating unit was not found CAUSE and SOLUTION Same as Error 1 Acceleration of rotating unit was too slow CAUSE A Belt s slipping SOLUTION A Clean belt s and pulleys and adjust belt tension CAUSE B R3200 CPU does nat receive the correct information from rotating position sensor N4100 SOLUTION B L Check the wiring between R4100 Rotator opto and R3300 101 Replace if faulty ii Check R4100 Rotator opto Replace if faulty The rotating unit optosensor was not found CAUSE and SOLUTION Same as Error 1 Exposure was taking too long and timeout occurred CAUSE R3200 CPU has received back up timer active signal from R3300 IO1 SOLUTION L Check R3300 101 Replace if faulty li Check cable between R3200 CPU and R3300 101 Replace if faulty ili Replace R3200 CPU Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Error 6 X Ray generator failed CAUSE The generator protection circuit has been activated SOLUTION L Check R3800 X ray generator Replace if faulty ii Check R3300 101 Replace if faulty ili Check R3700 X ray power supply Replace if faulty iv Check generator cabling Replace if faulty v Replace tubehead Error 7 Collimator motor failed CAUSE A Collimator movement stopped by mechanical part s SOLUTION A Select different programs and take images in the test mode no X rays and check collimator movement Correct any mechanical problems
115. ound abd within the tolerance 17 Now adjust the position of the focal trough light so that it strikes the center of the ball 18 Touch the End Study button to exit the test 8 50 Service Manual 203025 CBCT unit 9 Maintenance procedure 9 Maintenance procedure The maintenance procedure described below must be carried out at regular intervals in accordance with na tional regulations regarding the use maintenance and of dental x ray devices that are in force in the country in which the unit is installed In any event the maintenance procedure must be car ried out least one a year When taking measurements that require a multimeter always use a calibrated digital multimeter DMM 9 1 Calibration and adjustment Carry out the full calibration and adjustment proce dure as described in the section 8 Unit calibration and adjustment Note that this procedure includes mA kV calibration 9 2 Ground test Disconnect the unit from the mains before carrying out the next test Check the safety ground continuity by measuring the grounding resistance between the ground pin on the connector of the mains power supply cable and any metal part of the unit The resistance MUST be lt 0 2 ohm 9 3 DAP calibration If the unit is used in a country or place where the an exact DAP value is required not just nominal values measure the DAP values using a DAP meter of ap proved accuracy to measure the exact DAP values These values
116. pe patient from s2terminal adjust mA settings from GUI and measure respective voltages from TP12 mA reference 0 If voltages differ from below then replace R3300 8mA lt gt 3 56V 10mA lt gt 3 19V 12 5mA lt gt 2 72V 15mA lt gt 2 26V If not then set mA settings to 15mA and measure the voltage from TP13 mA feedback when exposure switch is not pressed if voltage is not 5 0V replace R3800 If voltage is close to 5 0V take an exposure and measure the voltage at TP13 gt gt If voltage is not about 4 3V then replace R3800 gt gt gt If it is still not about 4 3V replace the tubehead gt gt gt If voltage is around 4 3V then check the ribbon cable I gt If faulty replace it I gt If cable is OK replace R3300 Service Manual 203025 7 43 7 Error Codes and Trouble Shooting CBCT unit kV check 7 44 Select the following exposure parameters standard resolution 75 x 100 FOV 15mA 85kV and measure from voltage at TP8 kV reference 0 If voltage is not 0 92 0 93V remove cable from J3807 and do take the same measurement from cable pin 5 pin 16 is ground If voltage is 0 92 0 93V replace R3800 If voltages is not 0 92 0 93V check the condition of the cable gt gt If cable is faulty replace it gt gt If cable is OK replace R3300 If voltage is 0 92 0 93V measure voltage from TP7 kV feedback from tube If voltage is not 1 25 1 26V replace R3800 If this does not solv
117. ppear e A jJ i eme Display patient s name i Retrieve last image Display DAP value i Service OC 9 Touch Service button Service MAS 8 4 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment The calibration display will appear A 167761 7162 Smith John preheat mA ea SG i E cuv i sia gc I g x sze j i Pan oa 1 ce ac ei ge I Boss i Bose i ES CH ew Ae E NOTE When a calibration button text is black it indicates the calibration has not been carried out or has not been successfully carried out When the text is grey it indicates that the calibra tion has been carried out Service Manual 203025 8 5 8 Unit calibration and adjustment CBCT unit 8 4 The calibration sequence PP 8 6 10 Tube calibration Preheat and mA Current Calibrates the tubehead preheat and current Lasers Z Horizontal FOV Checks the position of the Z lasers Detector X position Checks the 3D sensor in horizontal direction Geometry calibration Checks the rotation geometry of the rotating unit Lasers X and Y Checks the position of the X and Y lasers Collimator Y position Checks the position of the 3D collimator in vertical direction Slit X position Checks the collimator slit in the horizontal direc tion Collimator X CT Calibrates the 3D collimator horizontal position and width check both the small and large collima tor
118. r code reappears or unit still does not operate correctly follow the troubleshooting procedures described here to identify and correct the problem Image transfer Service Manual 203025 If an image is not transferred successfully to the PC close and then reopen the dental imaging software and or restart the PC DO NOT restart the unit as this will erase any image that is stored in the unit memory and this retrievable image will be lost gel 7 Error Codes and Trouble Shooting CBCT unit 7 2 Saving ravv images projection images and log files Raw images and projection images can be used to check image quality With s2terminal command xi the last image taken can be downloaded in raw DCM format but if you wish to check more that one image the function described below should be used 1 Select Start Run and type regedit and then click OR Xt Type the name of a program folder document or E Internet resource and Windows will open it for you Open regeditl y Cancel Browse 2 The Registry Editor will open e Registry Editor File Edit View Favorites Help I Solid Information Technology LTD Name Type Data H E Sonic ab Default REG_SZ El I Soredex lab BasePath REG_SZ C Documents and Setti El El DFW 2 1 RS Do3DQA REG_DWORD 0x00000000 0 Jn DFW Software 28 DriverMode REG_DWORD 0X00000002 2 8 A Digora a8 PanProc
119. r module gt Stepper motor Other electrical device 3 2 Service Manual 203025 CBCT unit 3 Electrical description 3 2 List of circuit boards and electric devices Service Manual 203025 R3100 Power supply Type power supply low power Location electronics cabinet R3200 CPU Type logic Includes an FPGA integrated circuit and embedded SW Location rotating unit detector head R3300 101 Type logic Includes an FPGA integrated circuit and embedded SW Location rotating unit top part R3400 102 Type logic Includes an FPGA integrated circuit and embedded SW Location base R3500 CCD power supply Type power supply low power Location rotating unit detector head R3700 X ray power supply Type power supply high power Location rotating unit tubehead assembly R3800 X ray generator Type power supply high power Location rotating unit tubehead assembly R3900 Mains connector Location electronics cabinet Type satellite connector board R4000 Connector Type satellite connector board Location rotating unit detector head R4100 Rotator opto Type satellite board Location rotating unit top part 3 3 3 Electrical description CBCT unit 2 x R4200 Opto sensor Type satellite board Location rotating unit tubehead assembly Location rotating unit detector head R4300 Remote control Type satellite board Location front column it is
120. rerequisites Col X CT 1 The unit must be in the same position as for the calibration test ColY Select Slit size Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 30 seconds When the calibration is complete images will ap pear on the PC The calibration information that appears on the im ages is as follows SlitSize size of the 3D slits Passed the driver has traced the right hand edge of the slit and has automatically selected the width of the each FOV If Failed check that the slit is moving correctly Check redo previous calibrations Col X CT and Slit X 8 Unit calibration and adjustment CBCT unit The image shows slit opening for Large and Small FOV The collimator edge except the upper border must not be visible in the images S CB3D Scout 8 8 2008 14 50 46 lt 85 kv 8 0 ma 4 50 s E BR SlitSize Calibration Slitsize calibration FAIL Edu sito pe mimggloorsintall Passed d When successfully completed the right hand edge of the radiation field is correct when viewed from the tubehead 8 34 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 11 Collimator X panorama Calibrates the position of the panoramic collimator in the vertical plane Prerequisites Col X CT 1 V a 2 A P Nw 3 4 Service Manual 203025 The unit must be in the same position as for the calibration tes
121. rev 3 and later D10 LINK light link ok D11 ACT blink traffic D12 SPEED on 100MB R3300 TEST PINS TP6 Not for service use TP GND TP10 GND TP11 POWGND TP12 GND TP13 GND TP14 GND Service Manual 203025 3 Electrical description CBCT unit R3300 Bloch diagram uonejn69X Jomod 9900U9JU UO AEN 1110 JOJON UOROJN X 1119 JOO Joes 110 JOJOA JOJEUI OD Jeu JOJOJN WIS JoAUQ Jese7 Uonisod 90 f UOJIMS LUOJJ dX3 039 00Z y Wo asodxy voeEer OVIT Joo 158 4 VOd4 ll 9U0J9A5 Blog a9euajul UOnISOd J0309j2Q 99e119 u UOIISOd HIS 9 JOJEWI OD a9eJaju Japosuy uO eJ0y 3 23 Service Manual 203025 3 Electrical description CBCT unit R3400 102 Input Output 2 Board WARNING Dangerous mains voltage on part of this board The dangerous part is marked with crosshatched lines LA1 also indicates when there is live voltage on the board COMPATIBILITY NOTES Release 5 and below of R3400 need R5400 Release 6 and above of R3400 do not need R5400 R3400 DESCRIPTION Includes an FPGA integrated circuit and embedded SVV Drives the AC motor located in chair The movement of the Z motion is monitored by a magnetic HAL element mounted to the motor and high low limit switches inside of the chair lift mechanism The operation of external 102 board is controlled via the internal Ethernet R3400 LOCATION In the front part of the base R3400 FUNCT
122. rt of the unit initialization NOTE If this command is selected immediately after the unit is switched on the unit may enter the error state and not the idle state This is because the chair and chin rest are not in their correct initialized positions chair lowest position and chinrest at the midpoint of its trav el Manually complete the initialization process press and hold down the chair down key whenever the unit is switched off and then on again to ensure that the unit will enter the idle state patient Changes the state of the unit from idle to select so that you do not have to activate image capture to take an image service Changes the state of the unit from idle or error to the service state so that the service commands can be accessed exit Changes the state of the unit from service to init reset Changes the state of the unit from any state to the init state This command reboots the firmware not core on R3200 CPU CAUTION Any image in the CPU will be deleted status Changes the state of the unit from ready or select to idle Service Manual 203025 CBCT unit 6 The s2terminal and service functions discard Changes the state of the unit from transfer to select This command ignores any image in the CPU the im age is NOT deleted The image can be retrieved using the retrieve last image command initiated using the GUI or xi described later clients Shows how many client applications
123. s and check slit movement Correct any mechanical problems CAUSE B R3200 CPU does not get the correct information from R4200 Collimator opto SOLUTION B Check 1 Switch unit off 30 seconds and back on again and see if the slit moves during initialization Check 2 Use the s2terminal service program to check sensor and motor operation Slit does not move L Check the wiring between the S motor and R3300 101 Replace if faulty IL Check the wiring between R3200 CPU and R3300 101 J3202 J3303 Replace if faulty iii Check R3300 101 replace if faulty iv Check R3200 CPU replace if faulty v Replace the S motor Slit Collimator moves but cannot find its correct posi tion L Check the wiring between R4200 Collimator opto and R3300 101 J4201 J3316 Replace if faulty i Check R4200 Collimator opto Replace if faulty IL Replace R3300 101 board 7 13 7 Error Codes and Trouble Shooting CBCT unit Error 9 Error 12 7 14 R3300 101 is not functioning CAUSE R3200 CPU cannot communicate with R3300 IO1 SOLUTION lL iii Check the power LED on switch router If it is off check R3100 Power supply and or the cable be tween the R3100 Power supply and the switch router Replace either or both if faulty If the power LED is on check the Ethernet switch router replace if faulty Check R3300 IO1 replace if faulty Replace Internal Ethernet cable R3400 102 card is not functioning
124. s connector or R3300 IO1 or R3400 102 in some models is defective SOLUTION B L Check R3900 Mains connector Replace if faulty ll Check the cable between R3900 Mains connector and R3300 101 or R3400 IO2 in some models Replace if faulty iii Check R3300 101 R3400 102 Replace if faulty iv Replace the cable between R3300 101 or R3400 102 in some models and the exposure switch Emergency stop button is pressed CAUSE A The emergency stop button is activated R3200 CPU detects that the emergency stop button has been pressed down SOLUTION A Release emergency stop button CAUSE B The emergency stop button is shorted SOLUTION B Check the switch operation with DMM replace if faulty CAUSE C R3400 102 is defective SOLUTION C Check R3400 102 replace if faulty 7 7 7 Error Codes and Trouble Shooting CBCT unit Error 202 Error 1 7 8 Chin rest safety stops not working encoder malfunc tion Unit can still be used but take great care when posi tioning patients CAUSE J Motor encode failed SOLUTION L Check the wiring between the J motor and R4800 Chin rest opto Replace if faulty ii Check R4800 Chin rest opto replace if faulty iii Replace the J motor patient support assembly If you replace the patient support assembly you must carry out the Geometry Calibration 4 See 9 Calibration and adjustment Home position of rotating unit was not found The PIO position CAUSE
125. s flags Bypasses initializations on startup Displays connected client applications Displays configuration parameters Displays the number of exposures taken Sets packet delay on image transfer Drives the selected motor to desired position If enabled ends the patient study after cone beam exposure Lists service commands gives detailed help command Sets or clears service QA reminder messages or period Configures the IP address of the external Ethernet interface Displays the log entries Displays unit s firmware version information Adds a comment to the log Performs a memory test on image memory area Grabs a panoramic image with test pattern Starts fake study without using driver Displays unit s status information Displays status of all optos micro switches and encoders NOTE This list may vary from unit to unit Service Manual 203025 CBCT unit 6 The s2terminal and service functions 4 To display help information for a service command key in help space the name of the service com mand and then press ENTER For example calclear help calclear help calclear Help instructions for that service command will ap pear Clears completed calibration flags based on what parts of the unit have been replaced adjusted or other way serviced The unit s GUI will then show on the calibration program screen which calibration programs need to be run again Usage calclear all ccd chair collimator frame generator
126. s selected the panoramic detector is only enabled during imaging 5 3 Exposure Start no X rays The X ray tube preheat current is enabled for a fevv seconds before the exposure starts Movements R rotation C collimator S slit and for pan exposure Y chair D detector are started after preheat is enabled When the rotating unit passes the home optoswitch all the other optoswitches are activated and synchronized to the position of the home optoswitch Immediately after home position frame grabbing is started first 20 dark images slightly under 1s de pending on size of FOV are taken without X rays Dark image ena Exposure switch Exposure start pressed Acceleration Dark image start Con yo Clon Dark image Dark image Dark image grabbing grabbing grabbing 5 2 Service Manual 203025 CBCT unit 5 Imaging sequence 5 4 Exposure Sequence X rays ON time depends on FOV no data grabbing X rays OFF time depends on FOV data grabbing performed The pulsing sequence is repeated for the specified number of frames that the FOV volume comprises 225 250 300 375 or 450 depending on the FOV selected A Exposure start lExposure sequence Dark image X ray image grabbing grabbing 5 5 Exposure sequence errors The exposure sequence is stopped if X ray image grabbing The rotating unit touches the patient so that its movement does not follow the predetermined path Exposure swi
127. scription 4 1 Overview The firmware is located on four components R8200 CPU main control image acquisition Eth ernet interface R3300 101 rotating unit movements and X ray control R3400 102 chair control Workstation GUI the internal PC user interface calibration data UNIT GUI Communication between the IO boards and GUI is via an internal 100 Base T Ethernet connection 1000 Base T Ethernet UDP IP 100 Base T Ethernet R3200 CPU UNIT Boot SW UNIT Boot SW R3300 10 R3400 IO GUI PC __ R3300 Control SW R3400 Control SW UNIT GUI Core Core Service Manual 203025 4 1 4 Firmware description CBCT unit 4 2 Detailed View R3200 CPU Executes the main and boot SW of the unit Boot software Loads the main firmware into the RAM and starts it Handles the initial unit firmware loading and boot mode updates Main software Controls and coordinates unit movements exposure image acquisition and transfer The image data acquired during image capture are stored in the internal memory of the unit After im age acquisition the image data are transferred to the workstation using the external 1000 Base T Ethernet UDP IP Ethernet It also handles multiple connections and up to five cli ents drivers S2Terminal or replicate PC GUIs can be connected to the unit via the external Ethernet It also offers firmware upgrade services for itself and software upgra
128. should then be used during Calibration and adjustment DAP values High resolution 3D Large 530 Adult panoramic 112 Child Panoramic 60 Service Manual 203025 9 1 9 Maintenance procedure CBCT unit 9 4 Motor movements Switch the unit off and then manually rotate the rotat ing unit to check that all the stepper motor move freely and without any looseness In turn press the position keys on the remote control chair backwards forwards c arm left right chin rest Up down chair up down to check motor operation The motors must operate smoothly and without any noise Switch the x rays off and then take an exposure to check that the motors used to take an exposure oper ate smoothiy and without any noise If you suspect that any of the belts are loose tighten them 9 5 Position detectors In turn press the position keys on the remote control chair backwards forwards c arm left right chin rest Up down chair up down to make sure that the unit assemblies stop moving at the extreme limits of their movement 9 6 Mains power supply cable Check the condition of mains power supply cable and replace if it is damaged 9 7 Tubehead Make sure that oil is not leaking from the tubehead 9 8 Covers and Labels Check that all covers are correctly installed and in good condition Also check that all the labels are at tached to the unit and that they are all legible 9 9 Fire risk WARNING Disconnect the
129. supply R3500 DESCRIPTION Generates low power supply voltages for the pano ramic CCD sensor R3500 LOCATION In the detector head R3500 CONTROLS CCD power enable from the R3200 CPU R3500 INPUTS 24Vdc mainly for motors 5V for logic R3500 OUTPUTS 9Vdc 3Vdc 3 3Vdc 5Vdc 15Vdc R3500 FUSES None R3500 INDICATOR LEDS D9 3V3 D10 15 VA D11 3VA D12 9VA D13 5 1V R3500 TEST PINS TP1 GND TP2 GND TP3 GND TP4 GND Service Manual 203025 3 27 3 Electrical description CBCT unit R3500 Bloch diagram R3500 Switching Regulator 18V 3VAENA_ 5VENA Switching Regulator Switching Regulator Switching Regulator Linear Regulator Linear Regulator gt Switching Regulator 3 28 Service Manual 203025 CBCT unit 3 Electrical description R3700 X ray Power supply Service Manual 203025 WARNING Dangerous mains voltage on part of this board LA1 also indicates when there is live voltage on the board R3700 DESCRIPTION Generates the voltages for the R3800 X ray Generator R3700 LOCATION In the tubehead assembly R3700 FUSES F1 T2A 250V F2 FF8A 500V F3 T1A 250V R3700 INDICATOR LIGHTS LA1 Light indicates dangerous voltage mains ON DANGER Mains voltage present OFF No voltage R3700 INDICATOR LEDS D13 27V5 R3700 TEST PINS None 3 29 3 Electrical description CBCT unit R3700 Bloch diagram Bridge Rect
130. t ing and size Service Manual 203025 3 15 3 Electrical description D20 D21 D22 D23 D25 D26 D27 D28 TP1 TP2 3 16 24Vdc_raw 12Vdc_dig 12Vdc_esw 24V 5Vdc 7 5Vdc 8Vdc_dig 24Vdc GND GND_DIG CBCT unit R3100 INDICATOR LEDS Raw voltage for motors and logic boards On Voltage OK Raw voltage for panel power supply On Voltage OK Raw voltage for Ethernet switch On Voltage OK Input voltage for motors On Voltage OK Output voltage for logic boards On Voltage OK Output voltage for Ethernet switch On Voltage OK Output voltage for panel power supply On Voltage OK Output voltage for motors On Voltage OK R3100 TEST PINS For 24Vdc 12Vdc 7 5Vdc and 5Vdc Ground reference for 8Vdc_dig Service Manual 203025 CBCT unit 3 Electrical description R3100 Block Diagram Service Manual 203025 3 17 3 Electrical description CBCT unit R3200 CPU Central Processing Unit R3200 DESCRIPTION Controls the main functions of the unit Monitors and control the status of Detector Power Supply Includes an FPGA integrated circuit and embedded SVV R3200 LOCATION In the detector side of the rotating unit R3200 CONTROL FUNCTIONS System control 1Gb Ethernet for external communications 100Mb Ethernet for internal communications 3D image grabbing Panorama image grabbing Image buffering in the DDRAM memory Rotation control sig
131. t ColY Select Col X Pan Press the return key to drive the rotating unit to the start position Protect yourself from radiation Press and hold down exposure button The calibra tion exposure will take about 30 seconds When the calibration is complete images will ap pear on the PC The calibration information that appears on the im ages is as follows Adjustment_colX_PAN position of the pan col limator Passed the collimator is in the right position If Failed adjust Col Y most likely the failure is because the collimator is incorrectly positioned vertically Refer to the failed X ray image below There must be a black area below the lower right and left edg es of the exposed area 8 35 8 Unit calibration and adjustment CBCT unit The image shows apertures at the selected colli mator positions S CB3D Scout 8 8 2008 14 52 40 lt 60 EV 4 0 mA 15 0 s 30 2 mGycm gt Adjustmen tico MRAN ARAN Failed Banco llimatogtailed 4 No black area Raise the collimator Col Y h After successful completion the panoramic collimation is correctly positioned in vertical plane 8 36 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 12 CCD pixels Service Manual 203025 Calibrates the panoramic detector gain and darh cur rent Prerequisites Col X Pan 1 The unit must be in the same position as for the calibration test ColY Select CCD pixs Attach the 0 8 m
132. t the 5V LED on R5100 detector swap stepper driver module is on gt gt If on replace the cable between J4002 and J3206 CPU power cable gt gt If it is not on then replace the cable track in upper shelf gt If LED D11 is on replace R3200 Service Manual 203025 7 31 7 Error Codes and Trouble Shooting CBCT unit Problem 3 2 No X R Detector svvap or collimator movement Action Check 5V and 28V LED s on the R5100 modules o lfboth LED s are on then refer to section 8 Motion control general for information on what to do O If 5V LED is off replace the cable between R5100 J5101 and R3200 or R3300 O If 28V LED is off check that 28V LED on R3100 is on gt lf off replace the fuse on the R3100 If still of after replacing the fuse and replace R3100 gt If on check 28V LED s on another R5100 module gt gt If LED is on there replace cable track in upper shelf gt gt If LED is not on then check outgoing power cabling from R4000 and replace if necessary o If cabling is OK then replace R4000 Problem 3 3 Slit motor is not functioning Action y Check that 28V LED on R5100 is on O If LED is on then follow trouble shooting instructions in section 8 Motion control general for information on what to do O If the LED is not on then follow the trouble shooting instructions in Prob lem 3 2 No X R Detector swap or collimator movement Problem 3 4 No Y J movements Actio
133. tch is released X ray generator fails lf 3D sensor stops delivering data frame grabbing failure If more than 2 3 of the total number of images are captured after an error occurs the 3D volume will be generated regardless of the system failure If less than 2 3 of the images are captured no image will be produced In the event of a CPU failure the parallel backup timer cuts off the radiation within 110 of predetermined exposure time Service Manual 203025 5 3 5 Imaging sequence CBCT unit 5 6 Exposure End Disable X Rays Decelerate movements Allow return and chair down movements 5 4 Service Manual 203025 CBCT unit 6 The s2terminal 6 The s2terminal and service functions The s2terminal service terminal application is a soft vvare tool that allovvs the operation of the unit to be checked tested and configured and firmware to be upgraded 6 1 Opening the s2terminal and connecting to the unit 1 If a patient study is open close it so that the s2ter minal can communicate with the unit Connect the PC in which the s2terminal is installed to the unit and switch the PC and unit on Open the Command Prompt Start Programs Accessories In the Command prompt key in cd space and then the path where the s2terminal application is in stalled e g c program files s2terminal cd c program files s2terminal s2terminal 10 208 6 101 Service Manual 203025 Press ENTER Rey in s2termin
134. te go from INIT gt IDLE use cancel command then IDLE gt SERVICE use service command If the unit is in the SELECT state go from SELECT gt IDLE use status command then IDLE gt SERVICE use service command If the unit is in the READY state go from READY gt IDLE use status command then IDLE gt SERVICE use service command If the unit is in the TRANSFER state go from TRANSFER gt SELECT use discard com mand then from SELECT gt IDLE status com mand and finally from IDLE gt SERVICE service command Unit commands to change unit states Unit States INIT IDLE SELECT READY EXPOSURE TRANSFER ERROR SERVICE OFF cancel patient service exit Unit commands reset status discard Service Manual 203025 6 3 6 The s2terminal and service functions CBCT unit help calclear cancel clients conf counter datatxdelay drivemotor endstudy help indicator ip log login logsign memtest pantest patient status systemstatus 6 4 CAUTION The reset command will change the state of the unit from any state to INIT Note however this command will delete any im age in the unit CPU If you wish to download the image use the xi command described later before using the reset command A detailed description of the unit commands is given in section Description of unit commands 3 Key in help and then press ENTER A list of service commands will appear Clears completed calibration
135. te the unit The unit must be calibrated and if necessary adjusted at regular intervals in accordance with national regula tions regarding the use maintenance and service of dental x ray devices that are in force in the country in which the unit is installed In any event the unit must be completely recalibrated at least once a year Dose calibrations 16 to 19 are optional The unit must also be fully or partially calibrated when parts are replaced The calibration steps for the following replaced parts are as follows R3200 GUI 3D CCD Collim Lift R3800 R3300 PC Panel CD 2 Kb i x X K xX X xX ix ix PK x ix ix ix ix p lt px OS L gt x lt 8 8 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 8 6 The Calibration and adjustment procedure 1 Tube calibration Preheat and mA Current Calibrates the tubehead preheat current and the mA Prerequisites None 1 Select Preheat 2 Protect yourself from radiation Press and hold down exposure button The calibra tion can take more than ten minutes to complete and x ray generation starts and stops several times Note that you MUST hold the exposure but ton down until the calibration is completed The calibration process can be followed on the s2terminal window When the calibration is complete calibration values will appear on the PC S CB3D Scout 8 8 2008 9 43 25 lt 66 EV 4 0 m 15 0 s 359 mGycm2 gt Galibrat
136. ted After the driver has received the image it releases it It makes sure that exposure button is released and after it has been the unit returns to the select state Error state The unit will enter the error state whenever a sys tem error is encountered Movements and x rays are stopped as a precaution The error log is updated Service state may be entered using the s2terminal for further diagnosis Service state The service state s2terminal is entered by giving the service command when the unit is in the error state or idle state Service Manual 203025 CBCT unit 4 Firmware description Off Emergency state The emergency stop button status is active by the R3400 102 The main R3200 CPU continuously polls the status of R3400 102 during normal operation If the emergency stop button is pressed it halts the system and blocks normal control of the unit Only the GUI and Driver status messages are handled The GUI will notify the user that the button has been activated When the emergency stop button is released the con trol firmware is restarted from scratch 4 5 Generator modes There are two generator modes Pulsed mode for cone beam imaging Constant exposure for panoramic imaging 4 6 Firmware updating in the field Service Manual 203025 Refer to s2terminal section for information on how to do this 4 7 4 Firmware description CBCT unit 4 8 Service Manual 203025 CBCT unit 5 Imaging seq
137. the status of the panoramic detector CCD Power Supply LEDs TDI Clk CCD RxD Image CCD TxD rou SS Status I OOO o o 4 OO O CCD status LED three colour It indicates that the CCD is connected all the soft ware has been downloaded and it is ready to take and image Green in stand by mode power signal not active Green flashing mode conflict e g a pan expo sure has been selected but the CCD sensor is not in the correct position Yellow image capture mode power on Red in position but not yet ready SW is being loaded Red flashing fatal SW error communication rou tine failure after an image has been taken NOTE The LED will flash red when in the service mode 3 52 Service Manual 203025 CBCT unit Service Manual 203025 3 Electrical description CCD TxD and CCD RxD LEDs yellow serial communication In normal operation they flash intermittently They indicate communication activity If CCD RxD is off passive CCD sensor CCD TxD will also be off If CCD TxD is off CCD RxD is on and the CCD status LED flashes during and after image capture it indicates that the CCD sensor tried to receive the image but the transmit communication routine failed Power Supply LEDs yellow indicate the different voltages required by the CCD sensor The IC in the CCD sensor monitors the voltages and activates the LEDs accordingly The software set limits for the various supply voltages The LEDs come on during ima
138. the two screws to the left of the 3D sensor to adjust the detX left right position of the 3D sensor and detTilt tilt of the sensor NOTE If you adjust the 3D sensor recheck the Z lasers 6 holding screws detX and detTilt adjusting screws 3 Tighten the holding screws and then carry out the test again After the successful completion of DetX the 3D sensor is correctly positioned in relation to the center of rotation of the rotating unit 8 18 Service Manual 203025 CBCT unit 8 Unit calibration and adjustment 4 Geometry calibration C arm and rotation geometry calibration Prerequisites DetX 1 Use and position the 3D phantom in the same way as for the DetX calibration Make sure that the positioning lights strike the appropriate lines on the 3D phantom Select CT Geom Protect yourself from radiation Press and hold down the exposure button After the exposure has been completed the it will take about five minutes for the geometry image to ap pear on the PC S CB3D Scout 8 8 2008 13 49 01 lt 85 XV 8 0 mA 4 505 m EJ CT Geometry calibration CIQIU 1UJ 9 5 Passed dex 3 0 mm detTilt 0 1 mm FOV width 146 0 mm Passed Service Manual 203025 8 19 8 Unit calibration and adjustment CBCT unit 8 20 The calibration information that appears on the im ages is as follows CTQ Critical To Quality Passed If Failed repeat the calibration If it fails again the 3D detector may
139. uence 5 Imaging sequence 5 1 Powering up the Unit Init The unit initializes itself and then waits for the GUI PC to start up it does not wait for PC or any optional remote GUI to respond Calibration data is transferred from the GUI PC to the R3200 CPU Encoders and movements are initialized the user needs to press and hold down the chair down button Z until the initialization is complete The motor commands are from R3200 CPU and the pulses from R3300 IO1 and R3400 IO2 Initialization start Initialization end Drive chair to home position Z movement R3400 102 Drive patient support to home position J movement R3400 102 Drive collimator to Drive CCD detector to home position home position D movement R3300 101 C mov R3300 101 Drive slit to home position S movement R3300 101 Drive rotating unit X mov Y mov to offset to offset R3300 R3400 5 2 Positioning the Patient The motors are powered up GUI display is activated if it is in energy save mode Return button is enabled so the unit can be driven to the PIO position Service Manual 203025 5 1 5 Imaging sequence CBCT unit When the unit is in the PIO position the rest of the buttons on the remote control are enabled and can be used to move the chair chin rest and rotating unit X and Z to position the patient The detector for the exposure program selected 3D or pan is powered on If the panoramic mode i
140. ulty vi Replace the X motor Service Manual 203025 7 15 7 Error Codes and Trouble Shooting CBCT unit 7 16 Error 15 Rotating unit moves but cannot find its correct position L Check the wiring between N4600 Y opto sensor and R5000 Extension Board J4601 J5003 Re place if faulty IL Check the wiring between R5000 Extension Board and R3300 101 J5004 J3308 Replace if faulty ili Check R4600 Opto sensor replace if faulty iv Check R5000 Extension Board replace if faulty v Replace R3300 101 board Home position of Y motor was not found CAUSE R3200 CPU does not receive correct information from N4600 Y optosensor SOLUTION Check 1 Switch unit off 30 seconds and back on again and see if the rotating unit moves during initialization Check 2 Use the s2terminal service program to check sensor and motor operation The seat does not move L Check the wiring between the Y motor and R3400 102 Replace if faulty IL Check the wiring between R3200 CPU and R3400 102 J3203 J3402 Replace if faulty iii Check R3400 102 replace if faulty iv Check R3200 CPU replace if faulty v Replace the Y motor chair Service Manual 203025 CBCT unit Error 16 Service Manual 203025 7 Error Codes and Trouble Shooting The seat moves but cannot find its correct position i iii Check the wiring between N4600 Y opto sensor and R3400 IO2 J4601 J3406 Replace if faulty Check R4600 Opto se
141. unit from the mains before carrying out the next check Use a vacuum cleaner to remove all dust that has ac cumulated inside the unit to eliminate the risk of fire 9 2 Service Manual 203025 CBCT unit 10 Replacing parts 10 Replacing parts Before replacing any parts svvitch the unit off and disconnect disable the power supply 10 1 The tubehead 1 Loosen the four screws that hold the tubehead back cover in position two on top and two on the bottom and remove the cover 2 Remove the four screws that hold the tubehead front cover in position two on the left and two on the right Service Manual 203025 10 1 10 Replacing parts CBCT unit Remove the cover 3 On the rear side of the tubehead assembly discon nect connectors J3314 and J3314 from R3800 X ray generator 10 2 Service Manual 203025 CBCT unit 10 Replacing parts 4 Remove the generator cover 4 screws 5 On the front side of the tubehead assembly cut the two cable ties that hold the two cables to the rotat ing unit frame and then disconnect the two cables from R3800 J3808 and R3809 Also disconnect the ground lead from the rotating unit frame Service Manual 203025 10 3 10 Replacing parts CBCT unit 6 On the front side of the tubehead assembly re move the tvvo nuts that attached to the front of the tubehead 7 Remove the two screw that hold the tubehead to the rotating unit frame Pins hold the tubehead i

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