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SCANORA 3Dx Cone Beam 3D Imaging System Service Manual

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Contents

1. 5 2 5 4 Exposure 5 3 5 5 Exposure sequence errors 5 sa b PAD RADAR 5 3 5 0 Expos re minio 5 4 Service Manual 208268 vii CBCT unit 6 The SZECHUAN n 6 1 6 1 Opening s2terminal and connecting to the unit 6 1 6 2 Accessing the service commands 22 22222 2 6 2 Unlisted service commands EE E 6 6 Description of the unit 6 6 Description of the unit 8 lt lt 6 8 6 3 Downloading raw images XI inerte erbe 6 9 6 4 Updating firmware RENE Oo 6 12 Core updates gui r3200 3310 3400 6 12 Updating the main firmware Senes 6 14 7 Error Codes and Troubleshooting 7 1 FEN intal actions 7 1 uso m T P 7 1 7 1 7 1 7 2 Saving raw images projection images log files 7 2 Saving Raw files with 5
2. einen 8 36 17 Dose calibration 8 36 18 Dose calibration adult 2 8 36 19 Dose Calibration child 2 2 lt 8 36 8 7 The Panoramic QA procedure 8 38 Adjusting the position of the focal trough 222 2 2 2 8 46 9 Maintenance 9 1 9 1 Calibration and adjustment 9 1 9 2 CU poi MEMENTO MM 9 1 SEHE Ese M RE UL 9 1 9 4 Motor movements uitium nne hm ciem 9 2 9 5 Position ds ieu aea t Ear 9 2 9 6 Mains power supply 9 2 9 7 9 2 9 8 Covers and 3 9 2 9 2 10 FRED AGING iiciin ELR ARENAER 10 1 10 1 The tubeh ad EE 10 1 10 2 The 3 D sensor TC 10 6 10 3 The panoramic 242 10 12 10 4 The chair Motor cus a qi adr neni aeui noraen 10 13 10 5 The cable
3. 22222242 2 4 4 7 2 Saving acs TT e eani 7 3 e TT 7 4 Saving Projection IPIS Saas tars ce ni opta crassa 7 5 Location of Log files and Raw amp Projection images 7 6 7 7 Diagnosing faults with the s2terminal sess 7 7 dec 7 7 Checking cables and connectors 2 22 24 1 7 8 7 4 Error code descriptions 7 9 oui T D 7 9 Error 10T m r 7 9 Error 200 m t 7 9 zs Meet TE 7 10 jio id tcc EC n 7 10 Eror T 7 11 ENOL APP TR RI ERO ON EREMO e rar RTT CE 7 12 P TN 7 12 goo E 7 12 jon 7 13 viii Service Manual 208268 CBCT unit EMON 7 13 EMON ge 7 13 7 15 EMON O e 7 16 7 16 7 16 7 17 BS ERROR 7 18 16 7 19 Enor 7
4. 2 Open Dxr120 xml file with notepad 3 Create or modify savebin value 4 Save the file savebin values are 0 save no projection images 2 save projection images consumes a lot of disk space Edit Format View Help config lt BasePath c ProgramData Dxri20 lt BasePath gt lt S2IP gt 1 1 1 1 lt S2IP gt Service Manual 208268 7 5 7 Error Codes and Troubleshooting CBCT unit Location of Log files and Raw amp Projection images File locations Raw images are saved into the folder BasePath Raw Projection images are saved into the folder BasePath Proj The log files are saved into the BasePath folder with extension log NOTE LogL value 4 SaveRaw value 2 and SaveBin value 2 will consume a lot of disk space and should be used only when trouble shooting the system 7 6 Service Manual 208268 CBCT unit 7 Error Codes and Troubleshooting 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 x
5. e 8 3 8 4 The calibration sequence 8 6 5 5 2 8 8 8 6 The Calibration and adjustment procedure 8 9 1 Tube Calibration Preheat ice rione 8 9 2 Tube calibration mA 8 10 3 3D geometry calibration 8 11 Adj sting th 3D SENSO 8 13 1 56 6 8 14 Adjusting the X laSa c 8 14 5 Lasers 2 8 15 Adj sting the PD 8 16 6 Collimalor Y 3D Vertical oe tonta pn ERE e dana 8 17 Pa X position eH Tilt 8 20 Adjusting the panoramic Sensor 2c reris tete 8 22 8 Slit X position CID soos m 8 23 Adj sting 8 24 9 Slit Size 3D CPP 8 25 10 Panel pix fast mode 3 Pme cruda 8 26 Service Manual 208268 xi CBCT unit 11 Panel pix fine mode TID tt 8 27 12 Quality Check 3D 8 28 14 Pan PaNOraA 4135 EESE 8 33 15 Pan pix Panoramic DINGS eme 8 34 16 Dose calibration
6. Service Manual 208268 12 13 14 15 8 Unit calibration and adjustment 3D quality check Checks that the unit is able to read the different densities correctly The positions of the laser lights can also be checked Collimator Y position Panoramic Calibrates the position of the panoramic collimator in vertical direction Panoramic version only Panoramic EPS Calibrates the horizontal position of the panoramic sensor Panoramic version only Panoramic pixels Calibrates the panoramic sensor gain and dark current Panoramic version only 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 17 18 19 Dose small FOV Allows the DAP value for the small 3D program to be selected Dose large FOV Allows the DAP value for the large 3D program to be selected Dose adult panorama Allows the DAP value for the adult pan program to be selected Panoramic version only Dose child panorama Allows the DAP value for the child pan program to be selected Panoramic version only 8 7 8 Unit calibration and adjustment CBCT unit 8 5 When to calibrate the unit The unit must be calibrated and if necessary adjusted at regular intervals in accordance with national regula tions regarding the use maint
7. Service Manual 208268 8 21 8 Unit calibration and adjustment CBCT unit Adjusting the panoramic sensor 1 While holding the sensor cover and sensor base remove the two screws from the base of the pano ramic sensor and then remove the cover 2 Loosen the four screws that hold the sensor in position 3 Adjust the height and or tilt of the sensor with the two sensor adjusting screws in the base of the sen sor support 4 Recheck and readjust if necessary After successful calibration the panoramic sensor will be correctly positioned Sensor cover Base Sensor holding screws Sensor adjusting screws 8 22 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 8 Slit X position 3D Checks the horizontal position of the 3D aperture Prerequisites Col Y 3D Slit X 3 siiis 2109 40 11 0 slit tit lt 0 24 0800 mm slit Y lt 0 12 Service Manual 208268 The unit must be in the same position as for the calibration test Col Y 3D 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 PASS If the aperture is in the correct position the slit posi tion that appears on the image will be Passed Passed Passen MU mm
8. lt gt US Forehead support locking lever Head support lever column Head support adjusting knob Service Manual 208268 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 adjusting 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 208268 Service Manual 208268 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 re
9. is not functioning CAUSE R3200 CPU cannot communicate with R3400 102 SOLUTION i 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 ii Check R3400 IO2 replace if faulty Replace Internal Ethernet cable Configuration data was lost CAUSE R3200 CPU flash memory corrupted SOLUTION Replace R3200 CPU and then recalibrate the unit Service Manual 208268 CBCT unit Error 14 Service Manual 208268 7 Error Codes and Troubleshooting Home position of X motor was not found CAUSE R3200 CPU does not get correct information from 4600 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 ii Check the wiring between the X motor and R5100 3 phase stepper driver Replace if faulty Check the wiring between R3310 101 and R5100 3 phase stepper driver J3313 J5100 Replace if faulty iv Check R5100 3 phase stepper driver replace i
10. Briefly press the exposure button NO X RAYS are generated to acknowledge that the check has been carried out After the successful completion of Slit X the 3D aperture is correctly positioned horizontally 8 23 8 Unit calibration and adjustment CBCT unit Locking screws 4 FAIL If the slit position is Failed the aperture is not cor rectly centered Repeat the slit X position calibration procedure once more If it still does not pass the collimator must be adjusted manually To adjust the collimator follow the instructions that appear on the calibration image and refer to the next section Adjusting the slit Adjusting the slit Loosen the four 4 collimator locking screws Adjust the horizontal position with the adjusting screw Move to right counter clockwise Move to left clockwise Adjusting screw 1 J 4 Locking screws 4 Screws for adjusting slit width 4 8 24 3 Retighten the holding screws and repeat the cali bration Readjust again if necessary After the successful completion of SIitX the slit is correctly centered Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 9 Slit size 3D Calibrates the slit aperture size for the 3D FOVs Prerequisites Col Y 3D 1 The unit must be in the same position as for the calibration test Col Y 3D 2 Select Slit size Slit size j 3 Protect yourself from radiation Press and hold down exposu
11. Eds 10 20 pic a ome P PE 10 23 xii Service Manual 208268 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 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 user s manual supplied with the 3D viewing software Service Manual 208268 1 1 1 The CBCT unit service manual CBCT unit 1 4 Service precautions and warnings Servicing precautions Only personnel trained and approved by the manufac turer of the unit are allowed to service the unit Before attempt
12. SYNC re X RAY GENERATOR 53810 FPRERENA 5600 JD vs Lg J3807 Ee opto REF 5 dee NENNEN E Kv FB 13 16 7 51 7 Error Codes and Trouble Shooting CBCT 8 Motion control X movement ARD 3 phase stepper R3200 B module R5100 VHDL SW 00Mb 7 52 Service Manual 208268 CBCT 7 Error Codes and Trouble Shooting Motion control Y movement Exposure switch XXXXX VHDL SW 400Mb Eth PHY 102 R3400 Remote Controller R4300 a Ye me po Hm p VHDL SW R320 2 Ypg Ymotr a 400Mb Eth PHY PIO 17 PIO 18 2 19 1 CURR LIMIT VHDL SW Y MOTION CHAIN Service Manual 208268 7 53 7 Error Codes and Trouble Shooting CBCT Motion control D movement detector CPU BOARD DETECTOR SWAP R3200 3 phase stepper DETECTOR SWAP MOTOR Ec Eth PHY VHDL SW DET SWITCH omn enc 1 crn Encs 2 mmm Chin motor PE emen chn Me HO 100Mb motor Eth PHY FIM DEED CPU BOARD R3200 VHDL SW CHIN MOTION CHAIN 7 54 Service Manual 208268 CBCT 7 Error Codes and Trouble Shooting Motion control C movement collimator CPU BOARD
13. Gyia gt 1 Geometry calibration PASSED 28 0 8 4 Passed lt 1 0 0 5 Passed FOY 6 5 Service Manual 208268 8 11 8 Unit calibration and adjustment CBCT unit PASS If the 3D geometric calibration is successful all the calibration values that appear on the image will be Passed Press OK unit display once to accept the calibra tion data The values of the X and Y coordinates that appear on the unit display will automatically zero Press OK a second time to return to the calibration menu After the successful completion of 3D geometry test the 3D sensor is correctly positioned in relation to the center of rotation of the rotating unit FAIL If any of the calibration values are Failed the geo metric calibration has failed LS 1 Geometry calibration FAILED 28 0 8 4 Passed lt 1 0 1 1 mm Failed Move detecto uni 2 ig ht If the 3D geometric calibration has failed check the position of the lower laser by carrying out Z laser check see 5 Lasers Z FOV Reposition the light if necessary and then carry out the 3D geometry calibration again If the unit still fails the test then the 3D sensor must be adjusted manually To adjust the 3D sensor see next section Adjust ing the 3D sensor 8 12 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment Adjusting t
14. FAIL If 3D sensor gain and dark current are Failed re peat the calibration If it fails a second time the 3D sensor is faulty and must be replaced 8 26 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 11 Panel pix fine mode 3D Calibrates the 3D sensor gain and dark current Precondition Slit size 1 The unit must be in the same position as for the calibration test Col Y 3D Panels 2 Select Panel pix fine mode pix fine od 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 PASS If the 3D sensor gain and dark current are correctly calibrated the image will be Passed calibration Passed 6075 heal 5563 267983 Passed Darts SS Briefly press the exposure button NO X RAYS are generated to acknowledge that the check has been carried out FAIL If 3D sensor gain and dark current are Failed re peat the calibration If it fails a second time the 3D sensor is faulty and must be replaced Service Manual 208268 8 27 8 Unit calibration and adjustment CBCT unit 8 28 12 Quality Check 3D Checks that the unit is able to read the different densi ty levels correctly The QC phantom can also be used to check the positions of
15. Service Manual 208268 Checks the position of the field of view FOV lasers The horizontal Z lasers and the vertical Y lazers Prerequisites None Select 2 Lasers Switch the patient positioning lasers Check the position of the horizontal Z and vertical X lasers The small dots on the inner sensor cov er indicate where the lights should be positioned Adjust if necessary See next section Adjusting the FOV lasers Z lasers 240 mm laser 1 180 mm laser 140 mm laser 4 80 mm laser 50 mm laser ma 3 Lower laser Center of Front of 165 FOV X lasers 3 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 15 8 Unit calibration and adjustment CBCT unit Adjusting the FOV lasers 1 To adjust the lights remove the covers from the tubehead assembly Section 11 1 Replacing the tubehead describes how 2 Loosen the locking screw and the adjust the height of the light with the height adjusting screws and level the light by rotating it Z lasers Locking screw 240 mm laser Rotate laser to level 180 mm laser Height adjusting screws 140 mm laser 80 mm laser 4 50 mm laser Lower laser
16. NOT USED Isolated mains to from mains transformer F2 GUI PC power supply J3908 1 2 J3910 1 2 ee sn a EE NE o ZUM DANGER LIVE SIDE 1 Mains input 1 F1 Mains to GUI PC J3904 1 3 J3903 1 2 Mains to R3400 43901 1 2 Mains to R3700 13906 1 2 Mains to mains transformer J3904 2 4 5 6 J3902 1 3 Service Manual 208268 3 35 3 Electrical description CBCT unit 4000 Connector 4000 DESCRIPTION Distributes the low DC supply signals to R3200 CPU R3300 101 and R3500 CCD power supply R4000 LOCATION In the detector head 4000 FUSES None 4000 INDICATOR LEDS None 4000 TEST PINS None 4000 BLOCK DIAGRAM Line Voltage 3 36 Service Manual 208268 CBCT unit 3 Electrical description R4100 Rotator opto R4100 DESCRIPTION There are four of these boards in the unit They moni tor the position of rotating unit motor R4100 LOCATION In the top part of the rotating unit 4100 FUSES None R4100 INDICATOR LEDS None R4100 TEST PINS None R4100 BLOCK DIAGRAM YX on C 6 Les O T Service Manual 208268 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
17. replace 3306 remove J2002 from the vertical column and shortcut pins 7 and 14 gt gt LED does not come on replace cable track in upper shelf gt gt f the LED comes on replace J2002 and remove J3905 from R3900 and short cut pins 1 and 2 gt gt gt f the LED does not come on replace the cable between J2002 and J3905 gt gt gt f the LED comes on replace 3905 and remove J3907 from R3900 and short cut pins 1 and 2 I If the LED does not come on replace R3900 I 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 R3310 If LED comes on then the exposure control is OK and beep sound should be heard If not then replace R3310 Problem 6 2 Exposure sequence starts but no X rays SOLUTION Check condition of the power feed by following trouble shooting instruction Problem 3 7 R3200 R3310 or R3400 does not operate Set unit to imaging mode CT or Pan disable movements and the check status of the PREH_ENALED 0501 gt If LED does not come on replace R3310 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 43303 pin 5 gt gt
18. No connections to the 7 30 Service Manual 208268 ix CBCT unit 2 Power distribution 7 31 Problem 2 1 Nothing happens when the unit is switched 7 31 Problem 2 2 Chair does not move up or down 22 2224 4 1 7 31 Problem 2 3 GUI PC not working 7 32 Problem ld oper qM 7 32 3 Power distribution low 7 33 Problem 3 1 GUI starts but nothing else happens when unit switched on 7 33 Problem 3 2 X R Detector swap or collimator movement 7 33 Problem 3 3 Slit motor is not functioning 7 34 Problem 3 4 Y J movements nnne 7 34 Problem 3 5 The panorama imaging not functioning sss 7 34 Problem 3 6 The 3D imaging is not functioning 7 35 Problem 3 7 R3200 R3300 R3400 does not operate 7 35 Panoramie ea nds 7 36 Problem 4 1 CCD sensor is not recognized 2222 7 36 Problem 4 2 Image IS MOSSY Me 7 36 Problem 4 3 3D I
19. 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 TP106 GND DIG TP 108 7 5Vdc TP109 8Vdc dig TP110 GND TP111 5Vdc TP113 28Vdc Service Manual 208268 CBCT unit Service Manual 208268 R3100 BLOCK DIAGRAM R3100 3 Electrical description 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 SW 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 signalling Y motion control signalling Slit motor control signalling R3200 FUSES None R3200 INDICATOR LEDS R3200 REL 6 and above Giga Ethernet status LEDs D1 Duplex mode D2 1GB D3 100MB 04 10MB D5 Link activity 100M Ethernet status LEDs D6 100MB 07 Link activity D8 Link OK 3 18 Service Manual 208268 CBCT unit Service Manual 208268 3 Electrical description Motor
20. One in the tubehead assembly One in the detector head of the rotator for the detector swap 4200 FUSES None 4200 INDICATOR LEDS None 4200 TEST PINS None 4200 BLOCK DIAGRAM Transistor Transistor 3 38 Service Manual 208268 CBCT unit 3 Electrical description R4300 Remote control Service Manual 208268 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 BLOCK DIAGRAM Return Chin Up 3 39 3 Electrical description 3 40 CBCT unit R4400 Panel data adaptor R4400 DESCRIPTION Data adaptor board between R3200 and the 3D sen sor R4400 Location Rotating unit detector head attached to R3200 Type satellite board R4400 FUSES None R4400 INDICATOR LEDS None R4400 TEST PINS None R4400 BLOCK DIAGRAM Service Manual 208268 CBCT unit 3 Electrical description N4600 Opto sensor Service Manual 208268 4600 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 chair base 600 FUSES None N4600 INDICATOR LEDS None N4600 TEST PINS None 3 Electrical description C
21. Test mode Service Manual 208268 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 Firmware states IO cards only have one state The IO 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 Switch unit on Service exit Image discarded and calibrating data received if calibrating Transfer Exposure done or
22. 1 Internal and external LANs Problem 1 1 No connection to the workstation WS SOLUTION Check Ethernet connections from WS and or local network Reconnect the Ethernet cable to the WS local switch router Check condition of the External Ethernet cable Replace whole cable track 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 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 gt Switch the unit and check that R3200 is receiving power see problem 3 7 R3200 R3310 or R3400 does not operate gt 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 2 f login info appears the external Ethernet cable is faulty Replace the whole cable track in upper shelf 2 f login info does not appear then the R3200 is not programmed or faulty Replace R3200 Problem 1 2 Connection to workstation breaks from time to time SOLUTION Check Ethernet connections from WS and or local network Plug Ethernet cable back to the WS or local switch
23. 23200 COLLIMATOR 3 phase stepper modile R5100 100Mb Collimator 100Mb Eth PHY VHDL SW 100Mb Ethernet Switch OPTO BOARD R4200 Jem use IICGIMHOE 1 Motion control S movement slit CPU BOARD R3200 os am a COLOK VHDL SW 6 3 T driver SLIT motor SLIT COLLIMATOR CHAIN I SUTHONE MEE 6 A Service Manual 208268 7 55 7 Error Codes and Trouble Shooting CBCT 9 Z motion control chair Remote Controller R4300 Z motor CPU BOARD R3200 VHDL SW Z MOTION CHAIN 100Mb Eth PHY 7 56 Service Manual 208268 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 unit calibration pro cedure the calibration and check steps must be carried out in the order in which they are listed If a calibration step fails repeat the calibration step a second time to see if it passes If it fails again the unit must be manually adjusted Adjust the unit and recheck the calibration until the unit passes the calibration After this repeat the remaining calibration steps During the unit calibration procedure calibration data is produced This data will appear on t
24. C movement 2 11 D movement Panoramic detector Optional 2 11 R movement Rotating 2 11 S movement ic 2 12 X movement Rotating unit eR 2 12 J movement Patient support 2 13 Y movement Chair ee td 2 13 Z movement 2 13 Service Manual 208268 V CBCT unit 3 Electrical description e 3 1 3 1 Electric component location PRETI T 3 1 Circuit Dard PEN T UR NUMEN 3 1 Other electric SPIELT DET 3 2 3 2 List of circuit boards and electric 3 3 3 3 Schematic CAO ANN S NN T D 3 7 3 7 Signaling e TC 3 8 Signalling umo 3 9 Low OWED Wiring 3 10 LOW DOWER Eae EE 3 11 Mains OWEN WINN E 3 12 Mains power EEEn Ei 3 13 3 4 Circ it board description 3 15 53 100 Power SUD DIY exit quie ut dpi citis dE Ra HEC S ME ol tup at sot 3 15 R3200 CPU Central Processing 3 18 R3310 IO T Input Output 3 21 R3400 IO2 Input Output 2 Board ere
25. EMMA maximum value 19 maximum std dew PEE Rol SAF std dev 102 Reference v values EMMA mum ROI value 80 PMMA ROI std dev 65 Minimum AIRE RObvalue 495 Maximum PIRE ROW std dev 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 volume This indicates that the phan tom is vertical After successful completion the unit is able to read the different densities correctly Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 13 Collimator Y panorama Panoramic Calibrates the position of the panoramic collimator in the vertical plane Prerequisites Col X 3D 1 The unit must be in the same position as for the calibration test Col Y 3D 2 Select Col Y Pan Col Y Pan 3 Press the return key to drive the rotating unit to the start position 4 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 Service Manual 208268 8 31 8 Unit calibration and adjustment CBCT unit If Failed adj
26. PSU Inlet Mains fuses F1 amp F2 T8A 250V _ Ge Back Column Chin Moving parts Base Stand 22004 Rest the chair 7 46 Service Manual 208268 CBCT 7 Error Codes and Trouble Shooting 3 Power distribution low voltages R3310 101 BOARD Power distribution low voltages Service Manual 208268 7 47 7 Error Codes and Trouble Shooting CBCT 4 Panoramic imaging CPU BOARD PANORAMA R3200 CCD CAMERA PANORAMA IMAGING CHAIN PANORAMA POWER R3500 7 48 Service Manual 208268 CBCT 7 Error Codes and Trouble Shooting 5 3D imaging CPU BOARD R3200 3D PANEL VHDL SW 3D IMAGING CHAIN PANEL POWER Service Manual 208268 7 49 7 Error Codes and Trouble Shooting 6 Exposure control CBCT R3200 s1 400Mb VHDL SW H H Eth PHY VHDL SW Exposure Tangent ENC SYNC POX CU me E GENERATOR EXP T VA PRELENA Rotation opto _ R4100 M ee Enca 1 EC n ENC2 1 1 5 ee p 11 41 e Home POX 2 f ek 13 15 LM EXPOSURE CHAIN Service Manual 208268 CBCT 7 Error Codes and Trouble Shooting 7 X ray generation 100Mb Ethernet Switch CPU BOARD R3200 EXPOSURE CHAIN Service Manual 208268 NN 100Mb 100Mb VHDL SW Eth PHY H Eth PHY VHDL SW ure Tangent
27. R3310 FUSES None R3310 INDICATOR LEDS Service Manual 208268 28V for motors glowing means OK 1 25V 3 3V LINK light link ok ACT blink traffic SPEED 100MB Exposure enabled Preheat enabled X ray enabled 3 Electrical description 3 22 CBCT unit R3310 TEST PINS TP6 TP10 TP TP13 TP14 Not for service use GND GND POWGND GND GND GND Service Manual 208268 3 Electrical description CBCT unit R3310 BLOCK DIAGRAM ELEEF CLEEF Leer OLeer uone nbay JOJO JOJOW Jojoejeq J030 A Jojeuuiljoo JOJON HIS Jese uonisod VOd4d euo pop 2 3 23 00254 esodx3 Jese uonsod jeujeul uonisog coeer 134 uonisog HIS 9 Jojeuuioo Service Manual 208268 eoeyueju S0ter Loeer Jepoou3 uonejoy 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 R3400 DESCRIPTION Includes an FPGA integrated circuit and embedded SW Drive
28. f voltage goes above 2V replace R3310 2 f voltage is near OV measure voltage from connector J3202 pin 7 gt gt gt f voltage goes above 2V then check and if necessary replace cable between J3303 and J3202 gt gt gt f voltage is near OV then replace R3200 Service Manual 203025 7 39 7 Error Codes and Trouble Shooting CBCT unit 7 X Ray generation Problem 7 1 No X rays SOLUTION 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 R3810 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 R3810 If LED comes on then check status of the exposure LED D31 on the R3810 gt If LED does not come on then check condition of the cable between nectors J3314 and J3810 gt gt f cable is faulty replace it 2 f cable is OK check to see if the FAIL LED has come on gt gt gt f not replace R3810 gt gt gt f FAIL LED still does not come on replace tubehead Problem 7 2 Wrong dose generated too dark or light images SOLUTION Check condition o
29. Boot SOWANG c a n 4 2 DUE Uca E cinesi 4 2 R3310 SoftWare sosisini aneian 4 2 R3400 102 SOMW aiie ariaa eana eiie 4 2 GUI SOR ANS LITER 4 2 4 3 CSA NOS 4 3 magng 4 3 dg co 4 3 mode activation deactivation ERE EO 4 3 Firmware 4 4 n 4 4 Init initialization SES T E de 4 5 IHRE SII os cione Doi ciae Bre ud 4 5 Select program select state 4 5 Ready 4 5 Exp s re Stale 4 6 Transfer image transfer ep eb BN IUUD 4 6 Emor Stale a TR 4 6 Ie Stale NT TET 4 6 Off State 4 7 4 5 Generator modes NR S 4 7 4 6 Firmware updating in the field 4 7 5 Imaging 5 1 5 1 Powering up the Unit Init 5 1 5 2 Positioning the due 5 1 9 3 Exposure Start
30. Front of 165 FOV Center of FOV X lasers 3 Tighten the locking screw and recheck the position of the lights 8 16 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 6 Collimator Y 3D Vertical position Calibrates the vertical position of the collimator assem bly Prerequisites 3D geometry 1 Remove the 3D phantom and drive the chair down to its lowest position Select Col Y 3D 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 PASS If the collimator Y position calibration is successful the calibration values that appear on the image will be Passed Adjustment colr Passed After the successful completion of collimator Y test the 3D collimator is correctly positioned in the Y plane Service Manual 208268 8 17 8 Unit calibration and adjustment CBCT unit FAIL If any of the calibration values are Failed the col limator Y position calibration has failed Repeat the collimator Y position calibration a sec ond time if it still does not pass then the collimator must be manually adjusted To adjust the collimator follow the instructions that appear on the calibration image and refer to the next section Adjusting the collimator 8 18 Service Manual 208268 CBCT unit Service Manual 208268 8 Unit calibration and adjustment Adju
31. Problem 1 4 No connection to R3310 SOLUTION Switch the unit on and check that R3310 and the Ethernet switch receive power see problem 3 7 R3200 R300 or R3400 does not operate Move the Ethernet cable from R3310 to another port in the Ethernet switch and reboot the unit If connection restarts then the switch is broken Replace it Bypass cable track in upper shelf by using a separate Ethernet cable between R3310 and the Ethernet switch Reboot the unit If connection restarts then cable is faulty Replace whole cable track in up per shelf If connection does not restart replace R3310 Problem 1 5 No connections to R3400 SOLUTION Same trouble shooting as Problem 1 4 No connection to R3310 Problem 1 6 No connections to the GUI PC SOLUTION Same trouble shooting as Problem 1 4 No connection to R3310 7 30 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 2 Power distribution main Problem 2 1 Nothing happens when the unit is switched ON SOLUTION Check that mains lead is plugged into the wall If not plug it in Check that mains is on If not contact you local power supply company for help Check Fuses F1 and F2 If blown replace them Open electric cabinet and check that the lamp R3900 is on or measure voltage at connector J3904 If there is voltage on R3900 measure secondary voltages from mains transformer If any of voltages are missing r
32. R3100 gt gt f LED is OFF check fuses or replace R3100 as required 2 f LED is ON replace cable track in upper shelf If LED 04 5 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 R5310 gt gt If LED H2 is on replace the cable track in upper shelf gt gt LED H2 off check fuse F1 on the R5310 gt gt gt f blown replace it gt gt gt f fuse is OK check that LED H1 is on I If on replace R5310 I If not replace mains transformer Problem 3 7 R3200 R3300 or R3400 does not operate SOLUTION Switch the unit on and check the voltage indicator LEDs on the each board If any of LED s on a board are not on replace the board Service Manual 203025 7 35 7 Error Codes and Trouble Shooting CBCT unit 4 Panoramic imaging Problem 4 1 CCD sensor is not recognized SOLUTION 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 J4902 Reboot the unit 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 faulty If CCD sensor is no
33. Service Manual 208268 3 Electrical description 3 34 H1 1 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 R3710 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 2 250 6 x 32 F2 Unused R3900 INDICATOR LIGHT Mains Voltage Indicates the existence of the mains voltage Ground Off Voltage less than 65V On lt DANGER Voltage more than 65V R3900 INDICATOR LEDS None R3900 TEST PINS Test point for secondary side grounding NOTE Not suitable for measuring the mains side grounding Service Manual 208268 CBCT unit Exposure switch signal from R4200 J3907 1 2 12Vdc input J3911 1 3 E Isolated mains input Optical Isolation r 3 Electrical description R3900 BLOCK DIAGRAM R3900 Exposure switch signal to R3300 J3905 1 2
34. 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 3 53 3 Electrical description CBCT unit L1400 CCD Filter board L1400 DESCRIPTION EMC filtering of the CCD panel board L1400 LOCATION Rotating unit detector head attached to the CCD panel board L1400 FUSES None L1400 INDICATOR LEDS None L1400 BLOCK DIAGRAM ie 3 54 Service Manual 208268 CBCT unit 4 Firmware description 4 Firmware description 4 1 Overview The firmware is located on four components R3200 CPU main control image acquisition Eth ernet interface R3310 101 rotating unit movements and X ray control R3400 102 chair control Workstation GUI the internal PC user interface calibration data Communication between the IO boards and GUI is via an internal 100 Base T Ethernet connection 100 Base T Ethernet R3310 IO R3400 IO R3310 Control SW R3400 Control SW Core Core Service Manual 208268 4 1 4 Firm
35. TEST PINS Warning Test pins TP1 TP4 have galvanic connection to mains voltage 15V 15V when power is on TP1 to TP2 FETAD Pulses appear when taking exposure approx 15Vpp TP3 to TP2 TP4 FETBC Pulses appear when taking exposure approx 15Vpp TP4 to TP2 TP5 FAN OVERRIDE Not in use 6 EXPENA Controls radiation 0 radiation OFF approx 15V radiation ON TP7 KVFB Feedback from tube voltage scale 1V 20kV exp ON TP8 KVREF Reference voltage for tube voltage scale 1V 20kV exp TP9 Not for service use TP10 GND Ground point similar to TP16 for TP5 TP15 measurements TP11 PREHREF Reference voltage for mA preheat varies from 1 2V to 1 8V TP12 MAREF Reference voltage for tube current 1 0 28 gt 8 2 25 TP13 MAFB Feedback from tube current 1 0 28 gt 8mA 2 25 TP14 Not for service use TP15 PREHEAT FB Depends on mA value 250 gt 750 during preheat time during exposure less than 350mV TP16 GND 3 32 Service Manual 208268 3 Electrical description CBCT unit R3810 BLOCK DIAGRAM opis 01 soser so2uejsiq oDedeo125 opis MOJ uBiH OV 3 juasald 9085 oer veer 044002 AH 01854 YOLVINDAY 3 33
36. The unit will enter the error state if a system error oc curs 4 5 4 Firmware description 4 6 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 If 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 updated 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 208268 CBCT unit 4 Firmware description Off Emergency state The emergency stop button
37. 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 cannot be received SOLUTION i lii vi vi vii Check wiring between the pan CCD detector R4910 Panorama interface X190 J4901 and L1400 EMC filter board Replace if faulty Check the connection between L1400 EMC filter board and R3500 CCD power supply Check the wiring between the two R4910 Pano rama interface boards J4902 J4902 Replace if faulty Check the connector between R4910 Panorama interface and R3200 CPU J4904 J3208 Replace if faulty Check both of the R4910 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 208268 CBCT unit Error 18 Error 19 Error 20 Service Manual 208268 7 Error Codes and Troubleshooting 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 M
38. 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 A PC with MDD compliant dental imaging software and 3D viewing software is connected to the unit via an Ethernet cable Service Manual 208268 CBCT unit 2 Mechanical description 2 2 The column assembly Column assembly Rear column Electronics cabinet Front column HZ4 Remote control connector 3 o p 9 9 21 8 WARNING This X ray unit may be dangerous to patient and operator unless safe exposure factors operating instructions and 0 maintenance schedules are observed Exposure switch connector Mains fuses Underside of electronics cabinet Service Manual 208268 2 3 2 Mechanical description 2 4 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 Manua
39. 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 7 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 down the chair down button during start up to complete the second part 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
40. 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 208268 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 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 208268 This command allows the last image taken by the unit to be downloaded from the unit memory in DCM DI 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 un
41. cancelled Program change before GUI freeze Exposure button pressed Exposure 4 4 Service Manual 208268 CBCT unit Service Manual 208268 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 the 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
42. in the same position as for the calibration test Col Y 3D Select Pan pix Attach the 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 sensor 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 Pan X and Slit size Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 5 Scout 8 8 2008 14 53 55 lt 66 kV 5 0 mA 15 0 s 45 5 mGycm gt e gnal 2315 Passed Dark levels 23718 5 Remove the copper filter After successful completed the gain file and dark current compensation are correct Service Manual 208268 8 35 8 Unit calibration and adjustment CBCT unit 16 Dose calibration small e If you do not have a DAP meter do not carry out the dose calibration leave the value at the factory setting Fov If you have a DAP meter refer to the instructions be low 17 Dose calibration large Dose Refer to 16 Dose calibration small large FOV 18 Dose calibration adult pan Refer to 16 Dose calibration small Dose n 19 Dose calibration child pan Refer
43. inner covers from the rotating unit see 10 2 The 3 D CMOS sensor 10 20 Service Manual 208268 CBCT unit 10 Replacing parts 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 Service Manual 208268 10 21 10 Replacing parts CBCT unit 4 From the under side of the rotating unit remove all the cable ties that 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 10 22 Service Manual 208268 CBCT unit 10 Replacing parts 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 Service Manual 208268 10 23 10 Replacing parts CBCT unit 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 10 24 Service Manual 208268
44. not have test pins GND Vref clk ENA R5100 BLOCK DIAGRAM Microstep driver Service Manual 208268 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 BLOCK DIAGRAM 11 signals IE Capacitors 3 48 Service Manual 208268 CBCT unit 3 Electrical description R5310 Panel raw power supply R5310 DESCRIPTION Generates 8 low voltage for the analog side of the 3D sensor power chain NOTE The 8V is distributed to the R4710 3D panel power supply which re regulates it to 5V and 9Vdc and distributes these voltage to the 3D sensor R5310 LOCATION In the electronics cabinet R5310 INPUTS 12Vac R5310 OUTPUTS 8 analog side 9 analog side R5310 FUSES F1 T2 5A 250V 6 x 32 F2 T0 5A 250V R5310 INDICATOR LEDS H1 12Vac H2 8VDL analog H3 9Vdc analog H4 9 analog R5310 TEST PINS None R5310 BLOCK DIAGRAM R5310 R5304 Regulator circuit R5303 R5301 Regulator circuit 27 R5302 Service Manual 208268 3 49 3 Electrical description CBCT unit 3D Detector 3D DETECTOR DESCRIPTION 3D image acquisition 3D DETECTOR LOCATION Rotating unit detector head 3D DETECTOR FUSES None 3D DETECTOR INDICATOR LE
45. 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 OK D15 1 8V OK D16 2 5V OK D17 2 1V OK R3200 TEST PINS None 3 19 3 3 20 lectrical description CBCT unit R3200 BLOCK DIAGRAM R3200 DDRAM II DDRAM I Oscillator INTERFACES J3213 STEPPER IF J3203 J3204 CYCLONE II FPGA J3214 J3215 CT PANEL IF J3208 PANORAMA CMOS IF J3205 PANORAMA CCD IF J3207 SUPPLY J3206 Regulators CONFIGURATION JTAG CONFIGURATION ACTIVE SERIAL EXTERNAL COMMUNICATION 1GB J3210 INTERNAL COMMUNICATION 100MB J3211 SERIAL IO J3213 Service Manual 208268 CBCT unit 3 Electrical description R3310 101 Input Output 1 R3310 DESCRIPTION Drives the stepper motors and includes electronics for controlling the X ray generator Includes an FPGA integrated circuit and embedded SW R3310 LOCATION In the top part of the rotating unit R3310 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 R3310 INPUTS 28 mainly for motors 5V for logic
46. the laser lights Prerequisites 3D Geom 1 Place the levelling base on the chin rest and level it Place the QC phantom onto the adjustable phantom holder 2 Use the chair up down keys only to adjust the height of the QC phantom so that the bottom light al strikes the bottom line on the QC phantom NV QC phantom Bottom light Levelling base 3 Select QC 4 Protect yourself from radiation Press and hold down exposure button The C arm will rotate twice around the phantom and the expo sure will take about 15 20 seconds Image recon struction will take 3 5 minutes When the check 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 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment The calibration information that appears on the im age is as follows Quality check Passed Measurements results will also appear 4a989fee b925 4284 83dd 5928027c1cd2 dcm 264 300 145 00x1 45 00 mm 580580 16 bit 192MB Passed Service Manual 208268 8 29 8 Unit calibration and adjustment CBCT unit If Failed check that phantom is correctly posi tioned Check that there is no shadow from the slit on the image check slit x slit size and slit move ment L 4a989fee b925 4284 B3dd uda pee dcm 8 30 Measunement results PMMA minimum value
47. 20 Enor 7 21 Enor 7 21 7 21 Enor 2 admin euet E 7 22 7 23 7 24 24 Ho CP 7 24 Enor 7 24 Error 20 7 24 d 7 25 20 7 25 7 25 Emors 0 araa 7 26 7 26 7 26 Error NO nib catena tue 7 26 Silar UP CIN ON den PX 7 27 7 5 Troubleshooting refer also to 7 6 Troubleshooting diagrams 7 29 1 Internal and external 7 29 Problem 1 1 No connection to the workstation WS 7 29 Problem 1 2 Connection to workstation breaks from time to time 7 29 Problem 1 3 No connection to R3310 R3400 or GUI PC internal bus failure 7 30 Problem 1 4 No connection to R3310 esee T 30 Problem 1 5 No connections to R3400 sss T 30 Problem 1 6
48. 3900 Mains connector or R3310 101 or R3400 102 in some models is defective SOLUTION B i Check R3900 Mains connector Replace if faulty li Check the cable between R3900 Mains connector and R3310 101 or R3400 102 in some models Replace if faulty Check R3310 101 R3400 102 Replace if faulty iv Replace the cable between R3310 101 or R3400 102 in some models and the exposure switch 7 9 7 Error Codes and Troubleshooting CBCT unit Error 201 Emergency stop button is pressed CAUSEA 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 CAUSEC R3400 IO2 is defective SOLUTION C Check R3400 1 2 replace if faulty Error 202 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 i Check the wiring between the J motor and R4800 Chin rest opto Replace if faulty ii Check R4800 Chin rest opto replace if faulty 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 7 10 Service Manual 208268 CBCT unit Error 1 Service Manual 20826
49. 7 37 7 Error Codes and Trouble Shooting CBCT unit Problem 5 3 Horizontal bars in projection image SOLUTION Check 3D sensor grounding cables If OK then replace R4700 Problem 5 4 Gray scale reduced SOLUTION 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 SOLUTION Check that CCD sensor is parked to the CT position If not then follow trouble shooting instruction Problem 4 4 Image is com pletely clear from the section CCD camera is positioned right Check calibration If calibration OK then check that collimators are open as they should be gt If not follow trouble shooting guide instructions 8 Motion control gen eral 6 Exposure control Problem 6 1 Exposure does not start when exposure switch is pressed SOLUTION Check condition of the power supply by following trouble shooting instructions Problem 3 7 R3200 R3310 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 R3310 D502 If LED doesn t come on when exposure switch is pressed then remove connector J3306 and shortcut pins 1 and 2 gt If the LED does not come on replace R3310 7 38 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting gt If LED comes
50. 7 6 Troubleshooting GIAGIAINS cessere ina esp dup esae dna Saxa nena Rasa 7 45 1 Internal and external nonas 7 45 2 Power distribution esent acutae teu Ee tne 7 46 3 Power distribution low 7 47 4 Panoramic mne nas dcr oec 7 48 5 3D MIM LIN RERO 7 49 Exposure 7 50 T X ray generation 7 51 8 Motion 255 7 52 Motion control Y movement us 7 53 Motion control D movement detector sss 7 54 Motion control J movement chin 7 54 Motion control C movement collimator 7 55 Motion control S movement slit 7 55 9 Z motion control 7 56 8 Unit calibration and adjustment 8 1 wages 8 1 8 2 Alignment a Quality Assurance tools besos tree needs sax Ln eu tun 8 2 9 9 for
51. 710 LOCATION In the tubehead assembly R3710 FUSES F1 T2A 250V F2 FF8A 500V F3 T1A 250V R3710 INDICATOR LIGHTS LA1 Light indicates dangerous voltage mains ON DANGER Mains voltage present OFF No voltage R3710 INDICATOR LEDS D13 27 5 R3710 TEST PINS None Service Manual 208268 3 29 3 Electrical description CBCT unit R3710 BLOCK DIAGRAM Bridge Rectifier Transformer 3 30 Service Manual 208268 CBCT unit 3 Electrical description R3810 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 IMPORTANT NOTE Some earlier units use R3800 and not R3810 Replace R3800 with R3810 In addition if R3800 is replaced also replace R3700 with R3710 R3810 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 R3810 LOCATION In the tubehead assembly R3810 FUSES None R3810 INDICATOR LIGHT LA1 Light indicates dangerous voltage mains ON DANGER mains voltage present OFF No voltage R3810 INDICATOR LEDS D1 FIV Filament power supply D2 15V D3 PREH D30 HVGND D31 EXP 3D flashing pan constant D32 FAIL Service Manual 208268 3 31 3 Electrical description CBCT unit R3810
52. 8 7 Error Codes and Troubleshooting Home position of rotating unit was not found The PIO position CAUSEA 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 Rotating unit does not rotate i 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 ii 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 iv Check R5100 3 phase stepper driver replace if faulty v Check R3200 CPU replace if faulty vi Replace the R motor rotation Rotating unit rotates but cannot find its correct position i Check the wiring between R4100 Rotator opto and R3310 101 Replace if faulty ii Check R4100 Rotator opto Replace if faulty Check rotation microswitch system status s2termi nal Replace if faulty iv Replace R3310 101 board 7 Error Codes and Troubleshooting CBCT unit Error 2 Error 3 Error 4 7 12 CAUSE B Belt s slipping SOLUTION B Clean belt s and pulleys and adjust belt tension Start position of ro
53. BCT unit R4710 3D panel power supply 4710 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 R4710 LOCATION In the detector head R4710 CONTROLS Panel power enable from the R3200 CPU R4710 INPUTS 8 digital side 8 analog side 9 analog side R4710 OUTPUTS 5 digital side 5 analog side 7 5 analog side R4710 FUSES F1 315LA 9V inputs F2 315LA 9 inputs R4710 INDICATOR LEDS D3 5V Dig 04 5 Ana 09 7 5V Ana D11 5V Ana 4710 TEST PINS 04 5V Ana 3 42 Service Manual 208268 CBCT unit 3 Electrical description R4710 BLOCK DIAGRAM R4710 Regulator 5V analog 8V analog 5V analog enable 8V digital 5V digital Regulator R4704 5V digital enable 7 5V analog Regulator Service Manual 208268 3 43 3 Electrical description CBCT unit 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 4800 LOCATION In the patient support
54. Calibrated ref value 15mA 220 Measured Fb peak value 4mA 57 Measured Fb peak value 15mA 215 8 10 3 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 text on the mA button will change from black to grey If the calibration was NOT successful the colour of the text on the mA button will remain black Repeat the calibration process If the calibration is still unsuccessful after repeat ing it several times R3810 X ray generator and or R3310 101 and or the tubehead may be faulty After the successful completion of Preheat and mA the X ray electronics function correctly Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 3 3D geometry calibration Calibrates the C arm and rotation geometry Prerequisites tubehead preheat and mA 1 Place the adjustable phantom holder on the chin rest and level it Place the 3D phantom on the ad justable phantom holder Switch the patient positioning lasers on and adjust the height of the phantom using ONLY the chair up down keys until the lower laser strikes the base of the 3D phantom 2 Select 3D Geom 3 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 5 212012 4 5
55. DS None Ethernet switch router PURPOSE Ethernet signalling LOCATION In the electronics cabinet FUSES None INDICATOR LEDS 01 05 OFF no connection ON lt link connection OK no traffic FLASH link connection OK traffic 3 50 Service Manual 208268 CBCT unit 3 Electrical description Panoramic Detector CCD Panoramic Detector description Panoramic image acquisition Panoramic Detector location Rotating unit detector head Panoramic Detector fuses None Panoramic Detector Indicator LEDs On the rear of the CCD sensor there are a number LEDs that indicate the status of the panoramic detector CCD Power Supply LEDs TDI CIk CCD RxD Image CCD TxD Power oe status QOOOOOOO 123 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 Service Manual 208268 3 51 3 Electrical description CBCT unit CCD TxD and CCD RxD LEDs yellow serial communication In normal operation they
56. I CAUSE The GUI PC does not send calibration data to R3200 CPU within the timeout period SOLUTION l 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 208268 CBCT unit Error 22 7 Error Codes and Troubleshooting DMA of 3D panel failed CAUSE 3D detector did not send picture data to R3200 CPU SOLUTION l lii vi Service Manual 208268 Check cable between the 3D CMOS detector and R4400 Panel data adaptor Replace if faulty Check cable between R5310 Panel raw power supply and 3D power supply Replace if faulty Check cable between R4710 3D panel power sup ply and 3D detector Replace if faulty Check cable between R4710 3D panel power sup ply and R3200 CPU replace if faulty Check R3200 CPU replace if faulty Check cable between R4400 Panel data adap tor and 3D detector Replace if faulty Replace the 3D detector If you replace the pan CCD detector you must carry out the following calibrations 3 CT Geometry 6 Collimator Y CT 7 Slit X 8 Slit size 9 Panel pix fast mode 10 Panel pix fine mode 12 CCD X 15 CCD pix 11 CT OC Dose calibrations 16 to 19 are optional See 9 Calibration and adjustment 7 23 7 Error Codes and Troubleshooting CBCT unit 7 24 Error 23 Err
57. Manual 208268 ZOver eoepejul Jepooue Z 60v r eoejiejui Jepooue UIYD 90ve fr uonisogq A cover 10 0W A 3 26 CBCT unit 3 Electrical description R3500 CCD Power 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 28 mainly for motors 5V for logic R3500 OUTPUTS 9Vdc 3Vdc 5Vdc 15Vdc R3500 FUSES None R3500 INDICATOR LEDS D9 3V3 D10 15VA D11 3VA D12 9VA D13 5 1V R3500 TEST PINS TP1 GND TP2 GND TP3 GND TP4 GND Service Manual 208268 3 27 3 Electrical description CBCT unit R3500 BLOCK DIAGRAM R3500 Switching Regulator 18V 3VAENA B Switching Regulator 9VAENA Switching Regulator 18VENA Switching Regulator Linear Regulator Linear Regulator Switching Regulator 3 28 Service Manual 208268 CBCT unit 3 Electrical description R3710 X ray Power supply WARNING Dangerous mains voltage on part of this board LA1 also indicates when there is live voltage on the board IMPORTANT NOTE Some earlier units use R3700 and not R3710 Replace R3700 with R3710 In addition if R3700 is replaced also replace R3800 with R3810 R3710 DESCRIPTION Generates the voltages for the R3810 X ray Generator R3
58. SCANORA 3Dx Cone Beam 3D Imaging System Service Manual Number 208268 rev 2 2013 05 SCANORA 3Dx Cone Beam 3D Dental Imaging System Service Manual Medical Device Directive 93 42 0537 Number 208268 rev 2 2013 02 Manufactured by SOREDEX Nahkelantie 160 Tuusula 04301 Tuusula Finland Tel 358 0 10 270 2000 Fax 358 9 701 5261 CBCT unit Version history Date released Changes Additions 2012 04 Draft version for VTT Rev 2 2013 05 Final version pictures updated and QA sec tion rewritten Higher rated fuse on R5310 SOREDEX are registered trademark a common law trade mark of SOREDEX SOREDEX endeavours to produce product documentation that is accurate and up to date However our policy of continual product development may result in changes to products that are not reflected in the product documentation Therefore this document should not be regarded as an infallible guide to cur rent product specifications SOREDEX maintains the right to make changes and alterations without prior notice DICOMPis the registered trademark of the National Electrical Manufacturers Association for its standards publication relating to digital communications of medical information iv Service Manual 208268 CBCT unit Contents 1 The CBCT unit service manual 1 1 11 Meer PERPE 1 1 1 2 Th
59. T 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 208268 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 state go from INIT gt IDLE use cancel command then IDLE SERVICE use service command If the unit is in the SELECT state go from SELECT gt IDLE use status command then IDLE SERVICE use service command If the unit is in the READY state go from READY gt IDLE use status command then IDLE 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 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 Manu
60. a lot of disk space conf ig lt BasePath gt c ProgramData Dxr120 lt BasePath gt lt S2IP gt 1 1 1 1 lt s2IP gt lt Dri logisac logis DriverMode lt ScoutProc gt 0 lt ScoutProc gt lt config gt 4 Service Manual 208268 7 3 7 Error Codes and Troubleshooting CBCT unit Saving Log files To create logl value 1 Browse to Dxr120 folder lt Computer LocalDisk C gt ProgramData Dxr120 X E Search Dxr120 P Mc Organize v Adobe Date modified Type Apple Apple Computer J CB3DCapture Jj Dxrl20 Jj FLEXnet 8 3 2011 9 25 XML Document 1 32011 10 17 XML Document 2 Open Dxr120 xml file with notepad 3 Create or modify logl value 4 Save the file log values 0 save no logs 1 save some 2 save all logs lt Dr iverMode gt 0 lt DriverMode gt lt saver aw gt 0 lt saver lt PanProc gt 0 lt PanProc gt lt ScoutProc gt 0 lt ScoutProc gt config 4 7 4 Service Manual 208268 CBCT unit 7 Error Codes and Troubleshooting Saving Projection images To create savebin value 1 Browse to Dxr120 folder G Ww 1 Computer Local Disk ProgramData 120 Search 0120 Organize 3 Open Bum _ New folder Adobe Name Date modified Type 1 Apple Apple Computer CB3DCapture 0 120 Dxr120 8 3 2011 9 25 XML Document dxrl20simu 1 3 2011 10 17 XML Document
61. age Dark image grabbing grabbing grabbing 5 2 Service Manual 208268 CBCT unit 5 Imaging sequence 5 4 Exposure Sequence Dark image end Exposure start y X rays ON time depends no data grabbing X rays OFF time depends 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 Exposure sequence X ray image grabbing 5 5 Exposure sequence errors Service Manual 208268 The exposure sequence is stopped if The rotating unit touches the patient so that its movement does not follow the predetermined path Exposure switch is released X ray generator fails f 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 5 3 5 Imaging sequence CBCT unit In the event of a CPU failure the parallel backup timer cuts off the radiation within 11096 of predetermined exposure time 5 6 Exposure End Disable X Rays Decelerate movements Allow return and chair down movements 5 4 Service Manual 208268 CBCT unit 6 The s2terminal 6 The s2terminal and service functions The s2terminal service terminal application
62. al 208268 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 calibrations 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 st
63. appear CBCT R3200 boot 2 14 1929 6 5sa 4 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 208268 CBCT unit 52 Terminal Help 6 The s2terminal and service functions 2 Key in xh to open the firmware update commands xh help xi receive image from the device Xr reserve device xq quit Unit specific commands xcc r3200 r3300 r3400 gui core update xf firmware update xf 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 FEFE HE ETE FE FE FE HE HE E FE FE FE FE FE E E E FE FE FE FE FE E E FE FE FE FE FE E E E FE FE FE FE FE AE E HE FE FE FE FE FE AE E FE FE FE FE FE HE HE HE E HEHE HE Unit must be restarted after core update Service Manual 208268 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
64. arge 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 antistatic 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 1 4 Service Manual 208268 CBCT unit 1 The CBCT unit service manual Warning Explosion hazard Some disinfectants and cleaning agents may vaporize to form an explosive vapour If 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 compatibl
65. around 4 3V then check the ribbon cable I gt If faulty replace it I gt If cable is OK replace R3310 Select the following exposure parameters standard resolution 75 x 100 FOV 15mA 85kV and measure from voltage at TP8 kV reference 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 R3810 If voltages is not 0 92 0 93V check the condition of the cable gt gt f cable is faulty replace it 2 f cable is OK replace R3310 If voltage is 0 92 0 93V measure voltage from TP7 kV feedback from tube If voltage is not 1 25 1 26V replace R3810 If this does not solve the problem replace thet tubehead If voltage is 1 25 1 26V measure voltage from TP13 mA feedback gt gt f voltage is not 0 58V replace R3810 gt gt gt f this does not solve the problem replace the tubehead gt gt voltage is 0 58V check condition of the ribbon cable gt gt gt f cable is faulty replace it gt gt gt f cable is OK replace R3310 Service Manual 203025 7 41 7 Error Codes and Trouble Shooting CBCT unit 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 T
66. assembly 4800 FUSES None 4800 INDICATOR LEDS None 4800 TEST PINS None R4800 BLOCK DIAGRAM 5V _ CHIN1 ENC _ CHIN2 ENC HOME DC DC MOTOR 4800 Optos 3 44 Service Manual 208268 CBCT unit 3 Electrical description R4910 Panorama interface Service Manual 208268 R4910 DESCRIPTION There are two of these boards in the unit They serve as an interface between the panoramic sensor and R3210 CPU R4910 LOCATION Both are in the detector head one in the pan sensor arm and the other attached to the R3200 CPU R4910 FUSES None R4910 INDICATOR LEDS None R4910 TEST PINS None 3 45 3 Electrical description 3 46 R4910 BLOCK DIAGRAM CCD Dx VVx UC 3 3V CCD sensor J4902 LVDS LVDS Transceiver CCD_Dx_CPU J4904 CPU CPU_DETECT CBCT unit R4910 Service Manual 208268 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 CPU and R3300 IO1 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 5 02 28V R5100 TEST PINS NOTE Some earlier versions of this board did
67. atus of all optos micro switches and encoders NOTE This list may vary from unit to unit Service Manual 208268 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 all clear all flags 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 Service Manual 208268 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 3D flat panel panel s power supply X Ray tube head the command multiple times The help information describes the different op tions for the service command sele
68. cted 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 examination and is waiting for image capture from the dental imaging software to be activated a message requesting this 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 208268 CBCT unit Service Manual 208268 6 The s2terminal and service functions TRANSFER CHECK The image is
69. dified Type Size MSOCache 2 di Darkseries 30 12 2010 10 48 File folder Imageseri 301220101048 File fold ries ile folder ORACLE 3 gt 52 011 21 5 2009 14 50 Application extens 115 KB n PerfLogs ae E s2terminal 22 5 2009 8 27 Application 293 KB n Program Files SER W32N55 dll 28 10 2009 9 49 Application extens 101 KB Program Files i i j Y i W32N55 13 4 2009 13 09 Configuration sett 1KB 7 2 items selected Date modified 30 12 2010 10 48 E gt Open s2terminal and reserve the unit lt xr gt Type lt patient gt Take an image go gt Type xi to receive the image CBCT raw images are located in Imageseries folder and dark images in Darkseries folder Scout and panoramic image are located in s2terminal folder 7 2 Service Manual 208268 CBCT unit 7 Error Codes and Troubleshooting Saving Raw images To create saveraw value 1 Browse to Dxr120 folder Organize v Open v Burn New folder i Adobe Name Date modified Type Ji Apple di Apple Computer CB3DCapture Dxr120 FLEXnet Dxr120 8 3 2011 9 25 XML Document dxri20simu 1 3 2011 10 17 XML Document 2 Open Dxr120 xml file with notepad 3 Create or modify saveraw value 4 Save the file SaveRaw values are 0 save no raw image 1 save the last image taken with each program 2 save every image consumes
70. e CBOT P 1 1 1 3 Associated documentation ur 1 1 1 4 Service precautions and WearTilligs o coreano nena cet 1 2 Servicing US CAM ONS soot eir bri dene 1 2 Warning Radiation Safety 1 2 Warning Mechanical lt nore nne 1 3 Warning Electrical Safety cuo Gi 1 3 Caution Electrostatic OISCIIBEGO castra treo Eo 1 4 Warning Explosion iacens esed ntn 1 5 Warning ursi qr fee 1 5 1 5 Unauthorized tene t nna conan 1 5 1 6 B 25525 TC 1 6 2 Mechanical description 2 1 2 1 parts and assemblies d ti eR a 2 1 2 2 The column assembly 2 3 2 4 Ihe rotating II E E EEA 2 5 2 4 The patient 2 7 2 5 ACV ASSET EET 2 9 2 5 Unit movements 2 11
71. e 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 under the direction of the manufacturer or their authorized distributor Service Manual 208268 1 5 1 The CBCT unit service manual CBCT unit 1 6 Disclaimer 1 7 Disposal 1 6 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 materia
72. e 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 10 16 Service Manual 208268 CBCT unit 10 Replacing parts 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 Service Manual 208268 10 17 10 Replacing parts CBCT unit 12 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 10 18 Service Manual 208268 CBCT unit 10 Replacing parts 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 Service Manual 208268 10 19 10 Replacing parts CBCT unit 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
73. e 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 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 208268 CBCT unit 10 Replacing parts 10 Replacing parts Before replacing any parts switch 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 208268 10 1 10 Replacing parts CBCT unit Remove the cover 3 rear side of the tubehead assembly discon nect connectors J3314 and J3314 from R3800 X ray generator 10 2 Service Manual 208268 CBCT unit 10 Replacing parts 4 Remove the generator cover 4 screws inu mi 5 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 rotatin
74. ecalibrate the unit Check that CCD sensor is positioned correctly Check that sensor is not damaged mechanically If it is correct or replace the damaged mechanical parts or replace the sensor 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 position p PAN position gt If motor does not move correctly follow trouble shooting instructions 8 Mo tion control general 5 3D imaging Problem 5 1 3D sensor is not recognized SOLUTION 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 If 3D sensor is detected then the originally cable was faulty If 3D sensor not detected replace R3200 and reboot gt If sensor is now detected the original R3200 was faulty gt If sensor is detected then replace the sensor Problem 5 2 Generally poor image SOLUTION 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 Service Manual 203025
75. ed block diagrams are included here to help you determine which components actuate which motion 7 42 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 9 Z motion control chair Problem 9 1 Chair does not move up or down SOLUTION 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 R3310 or R3400 does not operate Check condition of the remote control with the s2terminal command systemsta tus gt If some of buttons do not change status then replace the remote control If that does not fix the problem then check cable from the electric cabinet to J3401 Replace if faulty 2 f that does not fix the problem replace R3400 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 If LED s do not come on then replace R3400 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 2 f there is mains voltage at the connector replace chair lift 2 f there is no mains voltage replace R3400 Problem 9 2 Chair moves in one direction only SOLUTION Check low voltage distribution by following trouble shooting instruction for Prob lem 3 7 R3200 R3310 or R3400 doe
76. eity of the image The whole image should be homogenous and artifact free no lines bands or speckling PASS If the quality of the image meets the above require ments the unit has passed the panoramic image quality check Touch the End Study button to exit the test FAIL If the ball is not round the chair must be moved and then the focal trough light repositioned See Adjusting the position of the focal trough If the quality of the image does not meet the above requirements check that the phantom is positioned correctly and repeat the test If it fails a second time see Error codes and trou bleshooting Panoramic imaging 8 45 8 Unit calibration and adjustment CBCT unit Chin rest too far forwards Adjusting the position of the focal trough Chin rest too far backwards 8 46 If the ball is not round the chin rest 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 Take another image and check and reagjust the position of the chair until the ball is round and within the tolerances Now adjust the position of the focal trough light NOT THE CHAIR so that the light beam strikes the center of the focal trough With the test tool line pair phantom the light beam must be positioned so that it st
77. emory 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 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 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 R3310 101 and R5100 3 phase stepper driver J3312 J5101 Replace if faulty 7 Error Codes and Troubleshooting CBCT unit Error 21 7 22 iv vi Check the R5100 3 phase stepper driver replace if faulty Check R3310 101 replace if faulty Replace the D motor Pan detector moves but cannot find the correct position i ii lii Check the belt tension Check wiring between R4200 Detector opto and R3310 101 J4201 J3302 Replace if faulty Check R4200 Detector opto replace if faulty Replace R3310 101 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 GU
78. enance 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 Unit PC panel mator 1 x x 3DGeom x x x J x jx 4 tasers bk x k T j 5 x k J f 6 ColYSD x x x x x 7 25 x Besix x x J J 9 Sitsize Jx x x J 10 Panel x Jx x M Panelpxfin x x x 12300 x x 13 Pan x P x 15 Panpx jx jx 3 gt x x T E B x x x x X X X X x x E i 8 8 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 8 6 The Calibration and adjustment procedure 1 Tube calibration Preheat Calibrates the tubehead preheat Prerequisites None Preheat gt 1 2 Select Preheat Protect yourself from radiation Press and hold down exposure button The calibra tion can take about ten minut
79. eplace the transformer 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 Problem 2 2 Chair does not move up or down SOLUTION Check fuse 1 on the R3400 If blown replace it Check that lamp LA1 on R3400 is glowing If not then check that J2007 is connected gt If connected then measure voltage at J2007 gt gt f no voltage replace cable between J2007 and R3900 2 f there is voltage replace cable between J2007 and J3411 J3412 If lamp is glowing replace R3400 If the R3400 has been replaced and chair still does not move replace the chair lift unit Service Manual 203025 7 31 7 Error Codes and Trouble Shooting CBCT unit Problem 2 3 GUI PC not working SOLUTION Check that the mains cable is connected between R3900 and the GUI PC Pow er unit If not connect the cable Check that there are low voltages 5 and 12 on the GUI PC power output red wire 5V yellow 12V If there no low voltages replace the GUI PC Power supply unit If there are low voltages replace the GUI PC unit Problem 2 4 No X rays SOLUTION Check that lamp LA1 on the R3710 generator power is glowing If not then check that there are voltages on the input of the generator fil ter If no voltages replace the cable track in upper shelf If the
80. er Z motor controls are doubled Zup Zena Work Station Exposure Switch J1003 Waming Light Service Manual 208268 3 9 3 Electrical description CBCT Low power wiring 1 22 a 55 5 Rotator J3701 R3710 mains inlet PS 43702 43704 19703 se ana CMOS 7 sensor E ee Upper shelf Y Low power wiring 2 3 10 Service Manual 208268 CBCT 3 Electrical description Low power wiring 2 Low power wiring 1 Electric cabin R3900 3912 Connector J3911 board Flat screen display __ GUI PSU Mains Inlet Service Manual 208268 3 11 3 Electrical description CBCT Mains power wiring 1 GUI Mains PSU Inlet Mains fuses F1 amp F2 Mains power wiring 2 3 12 Service Manual 208268 CBCT 3 Electrical description Mains power wiring 2 Rest PROTECTIVE ARTH POI Service Manual 208268 3 13 3 Electrical description CBCT 3 14 Service Manual 208268 CBCT unit 3 Electrical description 3 4 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 28V off as well as control the mains relay located
81. es to complete and x ray generation starts and stops several times Note that you MUST hold the exposure button 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 Tube preheat calibration Calibrated ref value 4mA 68 Calibrated ref value 15mA 190 Measured Fb peak value 4mA 58 Measured Fb peak value 15mA 217 Service Manual 208268 3 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 text on the Preheat button will have changed from black to grey If the calibration was NOT successful the colour of the text on the Preheat button will remain black Repeat the calibration process If the calibration is still unsuccessful after repeat ing it several times R3810 X ray generator and or R3310 101 and or the tubehead may be faulty 8 9 8 Unit calibration and adjustment CBCT unit 2 Tube calibration mA Current mA Calibrates the tubehead mA Prerequisites preheat current Select mA 2 Protect yourself from radiation Repeat the procedure as described in preheat The procedure will take about seven minutes When the calibration is complete calibration values will appear on the PC Tube calibration Calibrated ref value 4mA 57
82. f faulty Check R3310 101 replace if faulty vi Replace the X motor Rotating unit moves but cannot find its correct position i Check the wiring between N4600 Y opto sensor and R5000 Extension Board J4601 J5003 Re place if faulty ii Check the wiring between R5000 Extension Board and R3310 101 J5004 J3308 Replace if faulty Check R4600 Opto sensor replace if faulty iv Check R5000 Extension Board replace if faulty v Replace R3310 IO1 board 7 17 7 Error Codes and Troubleshooting CBCT unit Error 15 7 18 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 i Check the wiring between the Y motor and R3400 102 Replace if faulty ii Check the wiring between R3200 CPU R3400 102 J3203 J3402 Replace if faulty Check R3400 102 replace if faulty iv Check R3200 CPU replace if faulty Replace the Y motor chair The seat moves but cannot find its correct position i Check the wiring between N4600 Y opto sensor and R3400 102 J4601 J3406 Replace if faulty ii Check R4600 Opto sensor replace if faulty Replace R3400 2 board Service Manual 208268 CBCT
83. f 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 R3810 Pre heat reference If voltages differ from below then replace R3310 8mA 1 54V 10mA 1 59V 12 5mA 1 65V 15mA 1 70V If not then set mA settings to 15mA and measure voltage from TP15 pre heat feedback when exposure is taken gt If voltage is not 0 58V then replace R3810 2 f itis still not 0 58V replace the tubehead 7 40 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting mA check Set the unit to the 3D imaging mode type patient from s2terminal adjust mA settings from GUI and measure respective voltages from TP12 mA refer ence kV check If voltages differ from below then replace R3310 8mA 3 56V 10 lt gt 3 19V 12 5 lt gt 2 72V 15 lt gt 2 26 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 R3810 If voltage is close to 5 0V take an exposure and measure the voltage at TP43 gt gt f voltage is not about 4 3V then replace R3810 gt gt gt If it is still not about 4 3V replace the tubehead gt gt gt If voltage is
84. 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 image 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 52 Service Manual 208268 CBCT unit Service Manual 208268 3 Electrical description Another required voltage is cam permanent 5 signal name on the DIB board It is used to power the IC If this voltage is missing all the LEDs will be off
85. ftware 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 208268 6 The s2terminal and service functions CBCT unit 6 4 Updating firmware Core updates gui r3200 3310 3400 1 Make sure that the unit is switched on and ready to take an exposure refer to user s manual 2 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 Keyin xr to reserve the unit xr Mode RESERVE 5 Key in xh to open the firmware update commands 52 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 208268 CBCT unit xcc r3200 Service Manual 208268 6 The s2terminal and service functions 6 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 gui u
86. g unit frame Service Manual 208268 10 3 10 Replacing parts CBCT unit 6 Onthe front side of the tubehead assembly re move the two 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 in position after the screws have been removed Pull the tubehead backwards and off of the pins 10 4 Service Manual 208268 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 Service Manual 208268 9 Calibrate the unit 10 Replace all the covers 10 Replacing parts CBCT unit 10 2 The 3 D 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 208268 CBCT unit 10 Replacing parts Remove the cover 4 Remove the left and right side panels 4 screws per panel and then the lower cover Left and right side panels Service Manual 208268 10 7 10 Replacing parts CBCT uni
87. gittal light beam should strike the middle of the test tool the x axis position displayed on the control panel should be 0 NOTE If the midsagittal light beam does not strike the middle of the test tool carry out the 3D geometric calibration procedure to realign the unit 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 e 15 PC Click the Abort Capture button Service Manual 208268 8 Unit calibration and adjustment CBCT unit An image of the test tool and the panoramic ball pin phantom will appear on the unit display and then the PC LS Adil panies Qon LS OG gt 16 Open the original panoramic QA image that was taken when the unit was installed It is stored in the QA patient card especially created for QA images lee Brightness Gamma xxx Contrast xxx 64 1328 957 3808 User PIDBDefault 8 42 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 17 Use the Image Control tools to adjust the bright ness contrast and gamma correction levels of the panoramic test image that you just took so that the are the same as the levels that are writte
88. he 3D sensor 1 Remove the cover from the sensor side of the rotating unit See section 10 2 The 3 D sensor for information on how to remove the covers 2 Loosen the four locking screws that hold the 3D sensor in position 3 Use the two sensor adjusting screws to the right of the 3D sensor when viewed from the front to ad just the detX left right position and or detTilt tilt position of the sensor Sensor adjusting screw 4 locking screws Sensor adjusting screw 4 Tighten the locking screws and then carry out the 3D geometry calibration test again Service Manual 208268 8 13 8 Unit calibration and adjustment CBCT unit 4 Lasers X laser Checks the position of the X laser Prerequisites 3D geometric calibration 1 Use and position the 3D phantom in the same way as for the 3D geometric calibration Make sure that the lower laser strikes the base of the 3D phantom N Select Lasers 3 Press the Positioning lights key remote control to switch the light on Check the position of the X laser The light beam must strike the appropriate vertical line on the 3D phantom Adjust the X laser if it is not correctly positioned Adjusting the X laser 1 Remove the laser cover 2 screws from the under side of the upper shelf The laser can be adjusted in the same way as the Lasers Z X laser 8 14 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 5 Lasers Z FOV
89. he 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 208268 8 1 8 Unit calibration and adjustment CBCT unit 8 2 Alignment a Quality Assurance tools Geometry phantom Quality assurance phantom lt Copper filter m WR Test tool line pair phantom 8 2 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 8 3 Preparing for calibration 1 Close 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 o 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 wheelchairs stools etc from around the chair to avoid damage to the unit or injury to people 4 Press and hold the chair down key until the unit stops moving A message will then appea
90. he cover 5 Recalibrate the unit see section 8 Unit calibration and adjustment Sensor cover Base Sensor holding screws Sensor adjusting screws 10 12 Service Manual 208268 CBCT unit 10 Replacing parts 10 4 The chair motor 1 Ifthe 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 simply 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 Service Manual 208268 10 13 10 Replacing parts CBCT unit 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 E Pan 1 10 14 Service Manual 208268 10 Replacing parts CBCT unit 6 Remove the backrest 1 the foot rest 2 and the patient support arm 3 T Slide the seat backwards so that the cutout in the seat mechanism is next to the hole through which the cables are routed 10 15 Service Manual 208268 10 Replacing parts CBCT unit 8 Remove the six 6 screws that hold the seat mechanism to the traction and guid
91. hese 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 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 R3310 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 relat
92. hm 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 should then be used during Calibration and adjustment DAP values High resolution 3D Large 2000 2700 mGy Adult panoramic 65 135 mGy Child Panoramic 55 78 mGy Service Manual 208268 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 smoothly 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 Mak
93. i downloads the last image taken by the unit Refer to section 6 The s2terminal and service func tions Checking circuit boards Service Manual 208268 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 R3710 X ray power supply R3810 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 7 7 7 Error Codes and Troubleshooting CBCT unit 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 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 wi
94. 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 R3100 LOCATION In the electronics cabinet R3100 INPUTS 24Vac mainly for motors 10 8Vac for Ethernet switch 10 8Vac for logic and for 3D panel digital power R3100 OUTPUTS 28Vdc for the stepper DC motors and the CCD pow er supply 8Vdc for 3D sensor power supply 7 5Vdc for the Ethernet switch 5Vdc for the logic boards R3100 FUSES 10 Value Input voltage LED Output voltage LED Fuse type F1 F1A250V DIG DC IN D21 8V_DIG 027 TP109 TP106 Littelfuse 313001 or 326001 250V 28V D28 TP113 TP106 Littelfuse 312003 or 314003 F3 T2A250V DC IN 022 7V5 026 TP108 TP106 326002 F4 T6 3A 250V 5V 025 TP111 TP106 Littelfuse 313006 3P or 326006 3P F5 T5A250V 28 020 33RAW 023 Littelfuse 313005 P or 326005 All fuses are UL approved When replacing fuses ALWAYS use the same type rat ing and size Service Manual 208268 3 15 3 Electrical description D20 D21 D22 D23 D25 D26 D27 D28 3 16 24Vdc raw 10 8Vdc dig 12Vdc_esw 33V 5Vdc 7 SVC 8Vdc_dig 28 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
95. ing 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 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 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 1 2 Service Manual 208268 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
96. is a soft ware tool that allows 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 Press ENTER 5 Key in s2terminal space and then the IP address s2terminal 10 208 6 101 Service Manual 208268 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 1 6 The s2terminal and service functions CBCT unit The s2terminal version number will appear togeth er with a list of main commands 52 Terminal Help lt lt lt E xh xi 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 6 2 The service commands allow the operation of the unit to be checked tested and configured IMPORTAN
97. it 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 9 6 The s2terminal and service functions CBCT unit xr Mode RESERVED 6 10 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 Mode NORMAL The text NORMAL will appear which indicates that the s2terminal has been released Select 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 Mode RESERVE The text RESERVE will appear which indicates that the s2terminal is now active again Service Manual 208268 CBCT unit 6 The s2terminal and service functions 4 Key in xi and the press ENTER xi 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 so
98. it 2 x R4200 Opto sensor Location rotating unit tubehead assembly Location rotating unit detector head Type satellite board R4300 Remote control Location front column it is connected to the elec tronics cabinet Type satellite board R4400 Panel data adaptor Location rotating unit detector head Type satellite board 2 x N4600 Opto sensor Location upper shelf Location chair Type satellite board R4710 3D panel power supply Location rotating unit detector head Type power supply low power R4800 Chin rest opto Location patient support assembly Type satellite board 2 x R4910 Panorama interface Location rotating unit detector head Type satellite connector board 4 x R5100 3 phase stepper driver Location rotating unit top part Location upper shelf Location rotating unit tubehead assembly Location rotating unit detector head Type satellite board R5200 ESD Protection Location electronics cabinet Type Satellite connection board R5310 Panel raw power supply Location electronics cabinet Type power supply low power Service Manual 208268 CBCT unit Service Manual 208268 3 Electrical description 3D detector Location rotating unit detector head C motor Collimator Location rotating unit tubehead assembly CCD filter board and EMC filter board Location rotating unit detector head Detector swapping
99. l 208268 CBCT unit 2 Mechanical description 2 3 The rotating unit Upper shelf IE head Tubehead Eom Rotating unit Tubehead assembly Detector head Panoramic sensor Optional 3D flat panel Panoramic sensor Detector head Service Manual 208268 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 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 flat panel and if the unit is a 3D pan version the pan 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 2 6 Service Manual 208268 CBCT unit 2 Mechanical description 2 4 The patient support assembly L Patient support assembly Forehead support Tun Head strap Chin rest Temple supports knob A Temple supports
100. ls 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 oil Inside tubehead Amorphous Silicon a Si 3D sensor CCD sensor Service Manual 208268 CBCT unit 2 Mechanical description 2 Mechanical description 2 1 Main parts and assemblies Upper shelf Rotating unit Column assembly _ Remote control Patient support assembly Exposure button Control PC with Workstation software and 3D viewing sofware All software must comply with the MDD and the relevant legal requirements in the USA Service Manual 208268 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
101. lty ii Check R3400 2 replace if faulty iii Replace the Z motor lifting unit Error in TDI pulsing CAUSE Software corrupted SOLUTION Update R3200 CPU firmware 7 25 7 Error Codes and Troubleshooting CBCT unit Error 30 Error 31 Error 32 Firmware is corrupted CAUSE The configuration flash memory is corrupted SOLUTION Update R3200 CPU firmware ii If error message reappears replace R3200 CPU and then update the firmware if required CPU memory test failed CAUSE Memory module s faulty SOLUTION i Replace memory modules R3200 CPU ii If error message reappears replace R3200 CPU and then update the firmware if required Z movement fail CAUSE R3400 IO2 is not receiving signals from the Z motor encoder SOLUTION Same as Error 28 Error no number 7 26 CAUSE Old GUI version SOLUTION Update the GUI software Service Manual 208268 CBCT unit 7 Error Codes and Troubleshooting Start up error Service Manual 208268 During boot up the GUI display freezes and only dis plays the GUI version not the FW 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 7 27 CBCT unit 7 Error Codes and Trouble Shooting 7 5 Troubleshooting refer also to 7 6 Troubleshooting diagrams
102. mage is too dark or 7 36 Problem 4 4 Image is completely clear esses 7 37 5 9D IMAJIN rr m 7 37 Problem 5 1 3D sensor is not recognized e 7 37 Problem 5 2 Generally poor image eene tnt 7 37 Problem 5 3 Horizontal bars in projection 7 38 Problem 5 4 Gray scale reduced 7 38 Problem 5 5 Shadows in the projection image 7 38 D EXDOSHIe COPDIPQO 7 38 Problem 6 1 Exposure does not start when exposure switch is pressed 7 38 Problem 6 2 Exposure sequence starts but 7 39 7 X Ray generation esac tc eta 7 40 Problem 7 1 No AY 7 40 Problem 7 2 Wrong dose generated too dark or light 7 40 8 Motion control general seen eene innen nk nentes 7 42 9 Z motion control 7 43 Problem 9 1 Chair does not move Up or down 000222 0 7 43 Problem 9 2 Chair moves in one direction only 7 43 Service Manual 208268 CBCT unit
103. me position D movement R3310 101 C mov R3310 IO1 Drive slit to home position S movement R3300 101 Drive rotating unit X mov Y mov to offset to offset R3310 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 208268 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 is 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 few 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 Exposure switch pressed i Acceleration Dark image start 70 Dark image Dark im
104. mode no X rays and check slit movement Correct any mechanical problems CAUSE B R3200 CPU does not get the correct information from 4200 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 i Check the wiring between the S motor and R3310 IO1 Replace if faulty ii Check the wiring between R3200 CPU and R3310 101 J3202 J3303 Replace if faulty Check R3310 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 Check the wiring between R4200 Collimator opto and R3310 101 J4201 J3316 Replace if faulty ii Check R4200 Collimator opto Replace if faulty Replace R3310 101 board 7 15 7 Error Codes and Troubleshooting CBCT unit 7 16 Error 9 Error 12 Error 13 R3310 101 is not functioning CAUSE R3200 CPU cannot communicate with R3310 101 SOLUTION 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 ii Check R3310 101 replace if faulty Replace Internal Ethernet cable R3400 2
105. motor Location rotating unit detector head 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 J motor Chin rest DC Location patient support assembly L1400 CCD Filter board Location rotating unit detector head 3 5 3 Electrical description 3 6 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 positi
106. n on the original panoramic QA image Select the linear histogram before making adjust ments If there is no original panoramic image QA image Panoramic upgrade adjust the brightness con trast and gamma correction levels of the image so that you can clearly see the line pair pattern in the center of the image Service Manual 208268 8 43 8 Unit calibration and adjustment CBCT unit 18 Now examine the image quality The image contrast grayscale and other image quality requirements are as follows Minimum high contrast requirement A 2 5 LP mm 3 all lines must be visible Minimum low contrast requirement B 2 holes minimum must be visible Grayscale value C Position the cursor on the largest hole and then read the I Original pixel value in the bottom right hand corner of the display x 1328 957 1 3408 P User 8 44 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment Ball pin phantom dimensions Use the measuring tools to check the dimensions of the ball pin phantom image The ball in the center must be round and the dis tances from the right hand pin and the left hand pin to the ball must be the same within 0 5mm 30 0 mm Service Manual 208268 Unexposed edge around the image Without using the magnification tool you must be able to see an unexposed white border around the image Homogen
107. n the text is grey it indicates that the calibra tion has been carried out Service Manual 208268 8 5 8 Unit calibration and adjustment CBCT unit 8 6 8 4 The calibration sequence Preheat e a i m No 4 ac lt 2 7 Slit X Slit size G TU ou T ud di 7 10 Preheat tubehead calibration Calibrates the tubehead preheat mA Current tubehead calibration Calibrates the tubehead current 3D Geometry Calibrates the rotation geometry of the rotating unit Lasers X Checks the position of the X laser Lasers Z Horizontal and vertical FOV Checks the position of the Z and Y lasers Collimator Y position 3D Calibrates the position of the 3D collimator in verti cal direction Panoramic X position Checks the horizontal position and tilt of the pano ramic sensor Panoramic version only Slit X position Checks the collimator slit in the horizontal direc tion Slit size Calibrates the slit opening size for the 3D FOVs Panel pixels fast mode Calibrates the pixels sensor gain and dark cur rent for the large 3D FOVs Panel pixels fine mode Calibrates the pixels sensor gain and dark cur rent for the small 3D FOVs Service Manual 208268 CBCT unit unm Pan 3 wy QC Col Y Pan EPS 2 Gi L A gt A 2 85 552 35 26
108. ng 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 Service Manual 208268 CBCT unit 2 Mechanical description LT c Y movement Chair J movement Patient support 9 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 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 208268 2 13 CBCT unit 3 Electrical description 3 Electrical description 3 1 Electric component location Circuit boards UPPER SHELF R4100 R4200 R5100 1 R3310 COLUMN Circuit board Stepper Driver IC Stepper driver module Service Manual 208268 3 1 3 Electrical description CBCT unit Other electric devices UPPER SHELF Ethernet Generator D motor fan ilter R motor Bg ROTATING UNIT m C motor Panoramic GUI power Smot detector s G Tube B motor H GUI PC Y Z lasers Pan lasers e Mains tra
109. not functioning SOLUTION Switch the unit on disconnect cable from J3503 on R3500 and check the LED s on R3500 If all LED s on then measure voltages from the connector X191 on the CCD sensor If the voltages are OK then replace CCD sensor If some of the voltages is missing then replace the cable between X191 and J3502 If non of the LED s are on then measure voltages at J3501 If voltages are OK replace R3500 If voltages are not OK then follow the trouble shooting instructions in Prob lem 3 2 No X R Detector swap or collimator movement If some of the LED s are not replace R3500 7 34 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Problem 3 6 The 3D imaging is not functioning SOLUTION Launch the s2terminal go to the service mode and select test mode no X rays and no move ON Type autotest 1 c into s2terminal and check the LEDs D3 and D4 on the R4700 If both LEDs measure voltages at 3D sensor gt one of voltages is missing then replace the cable between R4700 and sensor gt If both voltages are present follow trouble shooting instructions for Prob lem 5 1 3D sensor is not recognized If both 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 If voltage is missing check 8V LED 027
110. nsformer 3D detector Remote control GUI monitor 0 LL J motor CHAIR 2 SUPPORT v mots Exposure switch ASSY Z motor COLUMN BASE X AC motor L1 DC motor Ex Stepper motor Other electrical device 3 2 Service Manual 208268 CBCT unit 3 Electrical description 3 2 List of circuit boards and electric devices Service Manual 208268 R3100 Power supply Location electronics cabinet Type power supply low power R3200 CPU Location rotating unit detector head Type logic Includes an FPGA integrated circuit and embedded SW R3310 IO1 Location rotating unit top part Type logic Includes an FPGA integrated circuit and embedded SW R3400 102 Location base Type logic Includes an FPGA integrated circuit and embedded SW R3500 CCD power supply Location rotating unit detector head Type power supply low power R3710 X ray power supply Location rotating unit tubehead assembly Type power supply high power R3810 X ray generator Location rotating unit tubehead assembly Type power supply high power R3900 Mains connector Location electronics cabinet Type satellite connector board R4000 Connector Location rotating unit detector head Type satellite connector board R4100 Rotator opto Location rotating unit top part Type satellite board 3 3 3 Electrical description 3 4 CBCT un
111. nt Correct any mechanical problems 7 13 7 Error Codes and Troubleshooting CBCT unit CAUSE B R3200 CPU does not get the correct information from 4200 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 Collimator does not move i Check that R5100 3 phase stepper driver that drives the collimator is receiving power the 5V and 28V LED s must be on If not check the low power schematic to locate the problem ii Check the wiring between the C motor and R5100 3 phase stepper driver Replace if faulty ili Check the wiring between R3310 101 and R5100 3 phase stepper driver J3311 J5101 Replace if faulty iv Check R5100 3 phase stepper driver replace if faulty Check R3310 101 replace if faulty vi Replace the C motor Collimator Collimator moves but cannot find its correct posi tion Check the wiring between R4200 Collimator opto and R3310 101 J4201 J3316 Replace if faulty ii Check R4200 Collimator opto Replace if faulty Replace R3310 101 board 7 14 Service Manual 208268 CBCT unit Error 8 Service Manual 208268 7 Error Codes and Troubleshooting Collimator slit motor failed CAUSEA Slit movement stopped by mechanical part s SOLUTION A Select different programs and take images in the test
112. nto ent 3 24 R3500 COD Power supply Exod a3 dx 3 27 R3710 X ray Power supply ient e garten PEE Ru dass a ase 3 29 R3810 X ray ge m 3 31 R3900 Mains connector MNT 3 34 R4000 o E R 3 36 o S 3 37 R4200 Opto E TEASE 3 38 R4300 Remote control t P 3 39 R4400 Panel data adaptor 3 40 N4600 Opto SSIS Ol t Embed pi qua qua 3 41 R4710 3D panel power Supply oec da es cnc 3 42 R4800 Chin rest opto us 3 44 R4910 Panorama interface 3 45 R5100 S phase Kap eua ta ao ea 3 47 R5200 ESD E 3 48 R5310 Panel raw power SUDDIV usus cadat tuia 3 49 S RERFIIIS MT 3 50 Ethernet mire M Q s 3 50 Panoramic iae uu euntis idus 3 51 L 1400 CCD Filter board uasa cin etna 3 54 vi Service Manual 208268 CBCT unit 4 Firmware 4 1 4 N OVEVIEW PM 4 1 4 2 Detaled VieW eer Hr EHE 4 2 USER 4 2
113. o select the Pano ramic program mode Select the adult panoramic program Select the minimum exposure factors GOkV and 4mA Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 7 Push temple supports towards the chair so that the panoramic sensor will not hit them during the exposure 8 Attach the copper filter to the front of the tubehead assembly in front of the collimator 9 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 Service Manual 208268 8 39 8 Unit calibration and adjustment CBCT unit 10 Place the panoramic ball and pin phantom on to the adjustable phantom holder and then place the test tool line pair phantom on top of panoramic ball and pin phantom 11 Press the Return key to drive the unit to the ready position 12 Press the lights key to switch the patient position ing lights on 8 40 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment 13 Use the Field of View positioning keys on the 14 remote control to position the test tool so that the focal trough light strikes the middle of the clear plastic layer sandwiched between the two alumini um layers Use the Seat height adjusting keys ONLY to po sition the horizontal light so that it strikes the lower edge of the ball and pin phantom The midsa
114. oning coronal plane Location upper shelf X ray tube Location rotating unit tubehead assembly Y motor 3 phase stepper Location chair Z movement encoder single phase Location chair Z movement motor AC Location chair Service Manual 208268 CBCT 3 Electrical description 3 3 Schematic diagrams Fuse guide T1 To Ethernet switch To motor power chain To circuit power chain MAINS FILTER L MAINS To panel power chain To GUI PSU R3710 T1 To X ray generator Notes Fuse reference designators without board ID are assambled to the frame of the SBR3D 2 Actual values for fuses are specified in separate fuse list Mains fuse F2 is only used in NON permanent installation Service Manual 208268 3 7 3 Electrical description CBCT Signalling 1 Tube head board clk ena dir clk ena dir IDET M R3310 p p LaserZ7 PANSHARP DOWN 33313 p p p m qn Laser Z1 Laser Z2 Laser Z3 44101 44201 44201 R4100 R4200 R4200 595981 59 sj 5 _ 34202 34203 g i i 117 J Rotator LIL LL LL LL LH T LaserX WW J2001 R5100 3p stepper X motor M 5102 module s5101 Signalling 2 3 8 Service Manual 208268 CBCT 3 Electrical description Signalling 2 Signalling 2 Electric cabin Moving parts of the chair Remote controll
115. open the tubehead There are no serviceable parts mechanical or electrical inside the tubehead Warning Electrical Safety Service Manual 208268 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 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 ch
116. or 24 Error 25 Error 26 Configuration data has corrupted CAUSE The flash memory configuration data is missing or is corrupted SOLUTION Replace R3200 CPU and calibrate the unit again Voltage kV failure in R3810 X ray generator CAUSE The kV feedback from the generator to R3200 is not within the tolerance SOLUTION i Check the cable between R3310 101 R3810 X ray generator Replace if faulty ii Check R3310 IOf replace if faulty Check R3810 X ray generator replace if neces sary Current mA failure in R3810 X ray generator CAUSE The mA feedback from the generator to R3200 is not within the tolerance SOLUTION Same as Error 24 Preheat failure in R3810 X ray generator CAUSE The preheat feedback signal from the generator to R3200 is not within the tolerance SOLUTION Same as Error 24 Service Manual 208268 CBCT unit Error 27 Error 28 Error 29 Service Manual 208268 7 Error Codes and Troubleshooting Rotation encoder failed CAUSE R3310 101 does not receive signals from R4100 Rota tor opto SOLUTION i Check the wiring between R4100 Rotator opto and R3310 101 Replace if faulty ii Check R4100 Rotator opto Replace if faulty Replace R3310 IO1 board Chair encoder failed CAUSE R3400 IO2 is not receiving signals from the Z motor encoder SOLUTION i Check the wiring between the Z motor R3400 102 J4601 J3406 Replace if fau
117. pdates the GUI on the embedded PC gui pof lt 3400 gt updates the FPGA core and the embedded ware on R3400 r3400 pof lt 3300 gt updates FPGA core and the embedded software on R3310 r3300 pof xcc 3200 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 was 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 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
118. r asking you to select a patient and then start image cap ture 5 the s2terminal and make sure that the unit is in the normal state refer to the section s2terminal for more information Service Manual 208268 8 3 8 Unit calibration and adjustment CBCT unit 6 PC Open the dental imaging software and then open a new patient card where 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 AJ The settings page will appear i mi Y 1 Display patients nome Retrieve last image J N N EN 2 Display value Service 9 Touch Service button Service 8 4 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment The calibration display will appear A 167761 716Z Smith John Preheat mA Lasers SD Pan Slit Slit Panel Panel pix fast pix fine mode Col Y Pan Pan 3D EPS Dose Dose Dose Dose small large adult child FOV FOV pan pan Q 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 Whe
119. re are voltages replace the filter If LA1 R3710 is glowing check lamp LA1 R3810 X ray tor gt If LA1 on R3810 is not on then check fuses on the R3710 and replace them if blown If the fuses are ok then check cabling between J3703 and J3802 gt If LA1 on R3810 is on then follow trouble shooting information in section 6 Exposure control 7 32 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting 3 Power distribution low voltages Problem 3 1 GUI starts but nothing else happens when unit switched on SOLUTION Check that all LEDs on R3100 are on gt gt gt If not check the fuses on the R3100 If the fuses are blown replace them If fuses are OK replace R3100 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 If all the LEDs on R3100 are on check that the 5V LED D11 on R3200 is on If not then check that the 5 LED on R5100 detector swap stepper driver module is on gt gt f on replace the cable between J4002 and J3206 CPU power ca ble 2 f itis not on then replace the cable track in upper shelf If LED D11 is on replace R3200 Problem 3 2 No X R Detector swap or collimator movement SOLUTION Check 5V and 28V LED s on the R5100 modules If both LED s are on then refer to section 8 Motion control general for information on what
120. re button The calibra tion exposure will take about 30 seconds When the calibration is complete images will ap pear on the PC PASS If the slit is calibrated to the correct size the image will be Passed SlitSize calibration Passed SlitSize calibration Passed FAIL If the slit size is Failed the slit is not the correct size and must be adjusted To do this refer to picture in the previous section Adjusting the slit Loosen the four screws that hold the two slit plates in position and the adjust the plates with the adjust ing screws After adjusting the slit size recheck the slit posi tion Service Manual 208268 8 25 8 Unit calibration and adjustment CBCT unit 10 Panel pix fast mode 3D Calibrates the 3D sensor gain and dark current Precondition Slit size 1 The unit must be in the same position as for the calibration test Col Y 3D 2 Select Panel pix fast mode Panel pix fast 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 PASS If the 3D sensor gain and dark current are correctly calibrated the image will be Passed detector calibration 23 9 7 Passed Signal level 12543 31128 16767 Passed Briefly press the exposure button NO X RAYS are generated to acknowledge that the check has been carried out
121. res within the cable An undamaged wire will have close to no resistance 20 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 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 8 Service Manual 208268 CBCT unit 7 Error Codes and Troubleshooting 7 4 Error code descriptions Error 100 Error 101 Error 200 Service Manual 208268 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 ii Check R3200 CPU Replace if faulty Replace the internal LAN cable Incorrect internal message format CAUSEA GUI and CPU firmware not compatible SOLUTION A Update the GUI firmware Exposure button is pressed CAUSEA Exposure button in stuck down shorted or broken SOLUTION A Check the exposure switch with a DMM replace if faulty CAUSE B R
122. rikes the center of the acrylic layer sandwiched between the two alu minium layers i Focal trough light beam Service Manual 208268 CBCT unit 8 Unit calibration and adjustment With the ball and pin phantom the light beam must be positioned so that it strikes the center of the ball Focal trough light beam 3 Take another image to confirm that the chin rest and focal trough light are correct Service Manual 208268 8 47 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 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 0 2 o
123. router Check condition of the External Ethernet cable 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 If no problem exists then the external Ethernet cable is faulty Replace the whole cable track in upper shelf If the problem persists then either the network card in the WS or R3200 is faulty First replace R3200 and operate the unit normally If problem still persists after replacing R3200 replace Network card in the WS Service Manual 203025 7 29 7 Error Codes and Trouble Shooting CBCT unit Problem 1 3 No connection to R3310 R3400 or GUI PC internal bus failure SOLUTION Switch the unit and check that R3310 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 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 0 If connection restarts then the Ethernet cable between R3200 and switch is faulty Replace whole cable track in upper shelf If connection does restart replace R3200
124. s 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 0 If a LED is on and 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 Service Manual 203025 7 43 7 Error Codes and Trouble Shooting CBCT unit If LEDs not on then check that 016 018 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 itis make a humming noise replace R3400 2 f not replace lift motor 7 44 Service Manual 203025 CBCT 7 Error Codes and Trouble Shooting 7 6 Troubleshooting diagrams 1 Internal and external LANs Internal and External LANs Assembled into energy chain Ethernet Switch 101 CDRSX R3310 VHDL SW GUI PC SBR3Dx Universe Service Manual 208268 7 45 2 Power distribution main 7 Error Codes and Trouble Shooting CBCT e T SS SS SS _ 1 Rotator X RAY PSU 701 23710 Upper shelf Electric cabin
125. s 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 IO2 board is controlled the internal Ethernet R3400 LOCATION In the front part of the base R3400 FUNCTIONS 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 6x 32 R3400 INDICATOR LIGHT LA1 Light indicates dangerous voltage mains ON DANGER mains voltage present OFF No voltage 3 24 Service Manual 208268 CBCT unit Service Manual 208268 3 Electrical description R3400 INDICATOR LEDS R3400 rel 6 and above D1 3 3V D2 1 25V D3 Exposure switch pressed indicator 04 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 TPS GND 3V3 3 25 CBCT unit 3 Electrical description R3400 BLOCK DIAGRAM eLver AS 7 OJJUOD 2030 7 103009 JOO UIYD 100 JOJOIN A euo o 2 Lover Service
126. 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 208268 Refer to s2terminal section for information on how to do this 4 7 CBCT unit 5 Imaging sequence 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 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 R3310 101 and R3400 102 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 ho
127. sting the collimator 1 The bottom of the collimator can be adjusted IMPORTANT NOTE With some early units the bottom AND top of the collimator can be adjusted picture below Locking screws for top of collimator Adjusting screws for top of collimator Bottom of collimator Locking screws for bottom of collimator ML Adjusting screws for bottom of collimator m _ 2 Loosen the top bottom collimator locking screws and then adjust the position of the top bottom of the collimator with the adjusting screws 3 Retighten the locking screws and repeat the test Readjust if necessary 8 19 8 Unit calibration and adjustment 8 20 CBCT unit 7T Pan X position Panoramic Checks the position of the panoramic sensor Horizon tal position and tilt Prerequisites Col Y 3D 1 The unit must the same position as for the calibration test Col Y 3D Select Pan 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 follows ccdTilt pan sensor tilt Passed the sensor tilt must be less than 0 5 mm If Failed the pan sensor must be adjusted Service Manual 208268 CBCT unit 8 Unit calibration and adjustment x panes Pam 23 Fam Tik Tar
128. sts 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 208268 CBCT unit 2 Mechanical description 2 6 Unit movements and motors X movement Rotating unit S movement Slit C movement i Collimator lt gt D movement Panoramic R movement Rotating unit C movement Collimator Collimator Adjusts the height top edge of the collimator slit 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 208268 2 11 2 Mechanical description CBCT unit 2 12 S movement Slit Collimator Adjusts the width left and right edges of the collimator slit Used for the different imaging programs Motor Stepper inside the tubehead assembly X movement Rotati
129. t 5 Remove the four 4 screws that hold the sensor front cover in position Remove the cover 10 8 Service Manual 208268 CBCT unit 10 Replacing parts 6 Disconnect all the connectors from the sensor 7 Remove the four 4 screws that hold the sensor in position Note that the sensor will remain in posi tion as a safety screw stops it from accidently drop ping Service Manual 208268 10 9 10 Replacing parts CBCT unit 8 Remove the two sensor adjusting screws from the side of the C arm frame 9 Slide the sensor a few millimetres to the left A and then lift the right hand side up until the sensor and support plate can be removed 10 10 Service Manual 208268 CBCT unit Service Manual 208268 10 11 12 13 10 Replacing parts Remove the support plate from the old sensor 8 Screws and reattach it to the new sensor Install the new sensor and then reconnect the sen sor connectors Recalibrate and align the unit Refer to 9 Unit cali bration and adjustment Replace all the covers 10 11 10 Replacing parts CBCT unit 10 3 The panoramic CCD sensor 1 While holding the sensor cover remove the two screw from the base of the panoramic sensor and then remove the cover 2 Disconnect the connectors from the panoramic sensor and then remove the four screws that hold the sensor in position and remove the sensor 3 Install and reconnect the new sensor 4 Replace t
130. t recognized then replace RA900 assembled under the CCD sensor arm and reboot gt gt f CCD sensor is recognized then the replaced R4900 was faulty 2 f CCD sensor is not recognized then replace CCD sensor gt gt gt f new CCD sensor is recognized then the replaced sensor was faulty gt gt gt f new CCD sensor is not recognized replace R3200 Problem 4 2 Image is messy SOLUTION 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 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 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 SOLUTION If the 3D image is also dark then follow trouble shooting instructions in 6 Expo sure control 7 36 Service Manual 203025 CBCT unit 7 Error Codes and Trouble Shooting Problem 4 4 Image is completely clear SOLUTION If the 3D image is also fully light then follow trouble shooting instructions in 6 Exposure control Check that slit collimator is not closed If itis closed then r
131. tating unit was not found CAUSE and SOLUTION Same as Error 1 Acceleration of rotating unit was too slow CAUSEA Belt s slipping SOLUTION A Clean belt s and pulleys and adjust belt tension CAUSE B R3200 CPU does not receive the correct information from rotating position sensor N4100 SOLUTION B i Check the wiring between R4100 Rotator opto and R3310 101 Replace if faulty Check R4100 Rotator opto Replace if faulty The rotating unit optosensor was not found CAUSE and SOLUTION Same as Error 1 Service Manual 208268 CBCT unit Error 5 Error 6 Error 7 Service Manual 208268 7 Error Codes and Troubleshooting Exposure was taking too long and timeout occurred CAUSE R3200 CPU has received back up timer active signal from R3310 101 SOLUTION i Check R3310 IO1 Replace if faulty li Check cable between R3200 CPU and R3310 IOf Replace if faulty Replace R3200 CPU X Ray generator failed CAUSE The generator protection circuit has been activated SOLUTION i Check R3810 X ray generator Replace if faulty ii Check R3310 IO1 Replace if faulty Check R3710 X ray power supply Replace if faulty iv Check generator cabling Replace if faulty v Replace tubehead Collimator motor failed CAUSEA 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 moveme
132. to 16 Dose calibration small Dose child i All the above listed dose calibrations are all carried out in the same way 1 Select the first dose calibration program Dose calibration small 2 Protect yourself from radiation Position the DAP meter so that it will be able to read the radiation dose during exposure Press and hold down exposure button to take an exposure The exposure will take a few seconds 8 36 Service Manual 208268 CBCT unit 8 Unit calibration and adjustment The Enter Dose Value window will appear on the PC Enter dose value obtained from DAP meter in Dose mGycm field and click OK 3 Repeat the process for the other dose calibrations Dose calibration large Dose calibration adult pan and Dose calibration child pan Service Manual 208268 8 37 8 Unit calibration and adjustment CBCT unit 8 7 The Panoramic QA procedure Optional 15 0 5 2 6 c 2 amp 2 J Start the system and select the adult panoramic program as described in the user s manual Close the head support rotate it towards the chair and lock it in position with the head support locking lever PC Open the patient card in which the QA images are stored PC Calibrate the contrast and brightness of the monitor to optimise its image quality Refer to the SCANOR A Workstation software user manual for information on how to do this PC Click the Image Capture button Touch the Panoramic button t
133. to do If 5V LED is off replace the cable between R5100 J5101 and R3200 or R3300 If 28V LED is off check that 28V LED on R3100 is on If off replace the fuse on the R3100 If still of after replacing the fuse and replace R3100 If on check 28 LED s on another R5100 module gt gt If LED is on there replace cable track in upper shelf gt gt f LED is not on then check outgoing power cabling from R4000 and replace if necessary If cabling is OK then replace R4000 Service Manual 203025 7 33 7 Error Codes and Trouble Shooting CBCT unit Problem 3 3 Slit motor is not functioning SOLUTION Check that 28 LED on R5100 is If LED is on then follow trouble shooting instructions in section 8 Motion control general for information on what to do 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 SOLUTION Check that there is 28 on R3400 by measuring the voltage from J3404 pins 1 and 2 If the voltage is present then follow trouble shooting instructions in section 8 Motion control general for information on what to do If the voltage is not present check that 28 LED on R3100 is on If LED is not on check fuses 2 f fuses are OK then replace R3100 gt If LED is on check cable between R3100 and R3400 Replace if faulty Problem 3 5 The panorama imaging
134. unit Error 16 7 Error Codes and Troubleshooting 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 lii 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 the pan CCD sensor 3502 191 and L1400 EMC filter board Replace if faulty Check the connection between L1400 EMC filter board and R3500 CCD power supply SOLUTION B data wiring l lii vi Service Manual 208268 Check wiring between the pan CCD detector L1400 EMC filter board and R4910 Panorama interface X190 J4901 Replace if faulty Check the connection between L1400 EMC filter board and R3500 CCD power supply Check the wiring between the two R4910 Pano rama interface boards J4902 J4902 Replace if faulty Check the connector between R4910 Panorama interface and R3200 CPU J4904 J3208 Replace if faulty Check both of the R4910 Panorama interface boards Replace if either or both are faulty Check the R3200 CPU replace if faulty 7 19 7 Error Codes and Troubleshooting CBCT unit 7 20 Error 17 Vii Replace the pan CCD detector If you replace the pan CCD detector you must carry out the following calibrations 11 Collimator
135. update will be activated immediately after it has been updated Use the login command to verify that the updating was successful 6 15 CBCT unit 7 Error Codes and Troubleshooting 7 Error Codes and Troubleshooting 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 error 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 208268 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 7 1 7 Error Codes and Troubleshooting CBCT unit 7 2 Saving raw images projection images and log files Saving Raw files with s2terminal 1 Create Imageseries and Darkseries sub folders under s2terminal folder Ll x iEn GO Computer v toi gt IO Organize v 9 Open Burn New folder Ji Leafimplant Date mo
136. ust Col Y 3D Most likely the failure is because the collimator is incorrectly positioned vertically After successful completion the panoramic collima tion is correctly positioned in vertical plane 8 32 Service Manual 208268 CBCT unit Pan EPS Primary 8 Unit calibration and adjustment 14 Pan EPS Panoramic Calibrates the horizontal position of the pan sensor Precondition Pan X Pan Service Manual 208268 1s The unit must be in the same position as for the calibration test Col Y 3D Press the return key Select Pan EPS 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 To be correctly positioned Passed the exposed area black must be in or near the middle of the pan sensor 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 sensor Pan X position If the beam is not correct vertical posi tion adjust the position of the collimator Collima tor Y position After successful completion the pan sensor is posi tioned correctly 8 33 8 Unit calibration and adjustment CBCT unit 8 34 15 Pan pix Panoramic pixels Calibrates the panoramic sensor gain and dark cur rent Prerequisites Col X Pan The unit must be
137. ware 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 upgrade for GUI It also offers core FW up date service for R3310 101 and R3400 102 as there is no direct connection from the driver of the S2Terminal to these two boards R3310 101 software Controls noncritical movements X ray generator IO 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 9 Service Manual 208268 CBCT unit 4 Firmware description 4 3 Operating modes Imaging mode The usual operation mode X ray imaging is allowed when patient study is started

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