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Villa Rotograph EVO, Service Manual

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SERVICE MANUAL 

Maintenance and servicing

 

(Rev. 1) 

Rotograph EVO 

7-11

7.2.2.2.1.  Projection of Non-Concentric Ear Centering Circles 

 
Loosen the four fixing screws "C" (Figure 7-3) and using adjustment 
screw "D" adjust (rotate) the Ceph group. 

If the greater diameter (ear set farthest from the cassette) is shifted more 
towards the nose-rest with respect to the smaller diameter (ear-rest 

nearer to the cassette), screw adjustment screw "D" and manually turn 
the group clockwise. In the opposite case, unscrew adjustment screw "D" 
and the group will shift automatically. Once the correct centering is 

obtained (a test exposure is required), fix screws "C" and block 
adjustment screw "D" using security nut "E". 

 

D

C

E

 

Figure 7-3 (Top view) 

Summary of Contents for Rotograph EVO

Page 1: ...Release 14 September 2011 Rev 1 Rotograph EVO 0051 Service Manual ...

Page 2: ...e switching ON Release FW version 1 05 on CPU board New laser model for patient centering New symbols on identification labels EMC tables on Warnings paragraph added Film screen combinations table updated New TMJ positioner Release FW version 1 06 on CPU board DAP value added New handle for Ceph arm installation Schematics and drawings improvement Spare Parts updated Ref RDM 6936 RDM 6941 RDM 7086...

Page 3: ...SERVICE MANUAL Revision history Rotograph EVO Rev 1 THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 4: ...abels and laser labels 110 120V version 3 3 3 2 Function Models and Version 3 4 3 2 1 Film Screen combinations 3 5 3 2 2 Basic version 3 6 3 2 3 Version with cephalometric device 3 6 3 2 4 EVO XP Extended Projection Package Optional 3 7 3 3 Block diagram 3 8 3 3 1 Power supply assembly 3 9 3 3 2 CPU Board A5 and A6 3 10 3 3 3 Generator Board A10 and Tubehead 3 11 3 3 4 Keyboard A4 3 12 3 4 Control...

Page 5: ...y Non Concentric Ear Centering Circles 7 12 7 2 2 3 Soft Tissue Filter STF adjustment 7 13 7 3 Verification of exposure time parameters 7 14 7 3 1 kVp 7 17 7 3 2 mA Check 7 18 7 3 3 Time 7 18 7 4 Storing of automatic exposure parameters 7 19 7 4 1 Table of pre set anatomic parameters 7 20 8 TROUBLESHOOTING 8 1 8 1 LEDs 8 1 8 1 1 Generator board A10 LED 8 1 8 1 2 CPU board A5 LED 8 2 8 2 Displayed ...

Page 6: ...odic current 8 19 8 2 4 4 E754 Broken filament 8 19 8 2 4 5 E756 PFC failure 8 19 8 2 4 6 E755 Alarm Backup timer intervention E758 Alarm No X ray E759 Alarm Unexpected emission 8 20 8 2 4 7 E774 RX button not pressed 8 21 8 2 4 8 E775 RX button released during the emission 8 21 8 2 5 Errors with code E800 and E801 8 22 8 2 5 1 E800 Timeout on CAN activation for vertical motor 8 22 8 2 5 2 E801 ON...

Page 7: ...6 8 4 1 Defects due to incorrect position of the patient 8 56 8 4 2 Defects due to incorrect radiological data input and darkroom 8 57 8 4 3 Defects on the film due to the unit 8 58 8 4 3 1 Panoramic film too light 8 58 8 4 3 2 Film with vertical stripes 8 60 8 4 3 3 Film with not irradiated areas 8 60 8 4 3 4 Film with missing highlight of the Soft Tissues 8 60 8 5 Analysis of the problems on the...

Page 8: ...red separately EVO XP Extended Projection Package it allow the execution of the following examinations Emi panoramic Reduced dose Panoramic Frontal dentition Improved orthogonality Panoramic CEPH it allows the execution of the following examinations CEPH exam in different formats CARPUS exam This manual provides to the technical personnel the instructions for proper and safe installation and maint...

Page 9: ...by this picture This icon indicates a WARNING message the items marked by this icon refer to the safety aspects of the patient and or of the operator 1 2 How to contact VILLA SISTEMI MEDICALI technical service For any technical queries please contact the following Telephone number 39 02 48859 1 Fax number 39 02 48859222 E mail dentalservice villasm com ...

Page 10: ...sible for the use of Rotograph EVO different from the intended use damage to the unit to the operator to the patient caused both by installation and maintenance procedures different from those described in this Manual and or by wrong operations mechanical and or electrical modifications performed during and after the installation different than those described in this Manual Installation and any t...

Page 11: ...ation at intermittent load therefore please follow the described use cycles to enable the device to cool down Rotograph EVO must be switched off while using devices such as electrical lancets or the like Never try to rotate the moving arm manually when the unit is switched on to avoid permanent damage to the unit Movement is only possible in case of Error 362 because motors are disabled to permit ...

Page 12: ...ety information Rev 1 Rotograph EVO 2 3 Protected area Minimum distance from X ray source 1 5m Figure 2 1 Dental arch X ray version Minimum distance from X ray source 1 5m Protected area Figure 2 2 Cephalometric version ...

Page 13: ...w the instructions listed in this manual Before removing the covers of the column or before removing the covers of the Generator board A10 disconnect the power supply to the device both switching the main switch and the magneto thermal differential off and wait at least 2 minute When the device is supplied without the above mentioned coverings pay the highest attention since high voltage is genera...

Page 14: ... emissions is very low and not likely to cause any interference in nearby electronic equipment Radiated and conducted RF emissions CISPR 11 Class B Rotograph EVO is suitable for use in domestic establishments and in establishments directly connected to the low voltage power supply network which supplies buildings used for domestic purposes Harmonics emissions IEC 61000 3 2 Complies Rotograph EVO i...

Page 15: ...m 80 MHz to 2 5 GHz IEC 60601 1 2 Test level IEC 60601 1 2 Test level Residential Hospital Conducted RF IEC 61000 4 6 Non life supporting equipment 3 V 150 kHz to 80 MHz Life supporting equipment 3 V outside ISM band 10 V inside ISM band IEC 60601 1 2 Test level Electrical fast transient burst IEC 61000 4 4 2 kV for power supply lines 1 kV for input output lines 3 m IEC 60601 1 2 Test level Reside...

Page 16: ...nd held USA 0 6 3 Cellular phone hand held e g GSM and NMT Europe DECS 1800 2 8 6 11 Walkie talkie rescue police fire maintenance 5 9 Cellular phone bag 16 16 Mobile radio rescue police fire 100 40 For transmitters using frequencies below 800 MHz the DISTANCE can be estimated using Equation A d 4 P For transmitters using frequencies between 800 MHz and 2 5 GHz the DISTANCE can be estimated using E...

Page 17: ...osed of at the appropriate disposal centres Particularly the device contains the following materials and or components Tubehead dielectric oil lead copper iron aluminium glass tungsten Control panel and remote control iron copper aluminium glass resin non biodegradable plastic material packaging Column rotating arm and extensions iron lead aluminium copper glass resin and non biodegradable plastic...

Page 18: ...be disposed of at the appropriate disposal centres A C N Connection point to the neutral conductor L Connection point to the line conductor Protection grounding Operation grounding OFF device not connected to the net ON device connected to the net Laser Laser source output Dangerous voltage Manufacturer s reference number Manufacturer s serial number Date of manufacturer year and month Name and ad...

Page 19: ...SERVICE MANUAL Safety information Rotograph EVO Rev 1 2 10 THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 20: ...SERVICE MANUAL Description Rev 1 Rotograph EVO 3 1 3 DESCRIPTION 3 1 Identification labels and laser labels 5 6 3 4 1 2 7 Only for 110 120V version ...

Page 21: ...abels and laser labels 220 240V version 1 Rotograph EVO identification label 2 Tube head identification label 3 EVO XP Extended Projection Package identification label 4 CEPHALOMETRIC device identification label 5 N 2 Spot Laser identification label 6 N 2 Laser symbol label ...

Page 22: ... 110 120V version 1b ETL certification label 1a Rotograph EVO identification label 2 Tube head identification label 3 EVO XP Extended Projection Package identification label 5 N 2 Spot Laser identification label 4 CEPHALOMETRIC device identification label 6 N 2 Laser symbol label 7 WARNING label ...

Page 23: ...r cephalometry the following cassette sizes to be selected in the order are available 18x24 cm 24x30 cm and inches 8 x10 For the other exams there is one single cassette with standard size 15x30cm an optional version with a 24x30cm cassette to be used on CR systems is available The basic version performs Panoramic Sinus and TMJ examinations Optional functions enable the system to perform the follo...

Page 24: ...y green and blue The factory set values of the exposure factors listed in paragraph 7 4 1 as default are indicative and optimised for the combination film screen supplied with the device film T MAT G RA and screens Lanex Regular or film KONIKA MG and KIRAN screens For the other combinations listed in the table or for further combinations the exposure factors have to be modified accordingly by acti...

Page 25: ...following examinations Panoramic Sinus and TMJ Adult and Child with the same characteristics described for the base version Cephalometry for Adult and Children with 3 Sizes for up to 6 combinations in automatic selection In Manual selection it is possible to vary the tension from 60kV to 86kV with 2kV steps the anodic current from 6mA to 12mA with 1mA steps and the exposure time from 0 2s to 3s Th...

Page 26: ...of the teeth thereby improving the diagnosis of interproximal decay NOTE All these examinations can be added to Rotograph EVO systems already installed in the field NOTE The code inserted into Rotograph EVO to enable the optional examinations is protected by a Unique Identification Code UIC in the event the UIC is not present or is faulty an error E107 will be shown Pressing the Patient Entrance 7...

Page 27: ...ovided in Chapter 9 During the description of the block diagram please refer to Figure 3 1 From the electrical point of view the system can be divided into 4 main blocks Power supply assembly Main CPU board A5 Generator board A10 Generator CPU board A9 and tubehead Column CPU board A1 Keyboard with its control board A4 All control boards above listed are equipped with a local microcontroller that ...

Page 28: ...rt of the column base This switch can be used to raise lower the column during the installation phase when the CPU has not been yet connected to the system Input for the emergency column motor microswitches S3 and S5 these microswitches indicate the limit for the movement of the column If for any reason the column goes beyond these microswitches the motor is de activated by cutting the voltage Nor...

Page 29: ... of input output channels necessary for the functioning of the system and 3 stepper motor driving stages based on integrated motor drivers Each of these motors is associated to positioning sensors that monitor their functioning The signals of these sensors are fed back to the CPU board The number and the type of sensors depend on the function of each motor In general optical switches are used Depe...

Page 30: ... which drives the tubehead through an output stage based on IGBT components The Generator board receives the signals concerning the X ray dose to provide kV and mA from the CPU board through CANBus messages it is the Generator CPU that generates the commands used for the X ray emission The Generator board provides to the tubehead the voltages that drive the high voltage transformers that then driv...

Page 31: ...rated in the touch panel LCD display equipped with back light composed by a matrix of 16 characters and 2 rows Keyboard PCB The keyboard PCB is directly connected to the main CPU board A5 which controls it The language of the messages shown on the display can be selected among 5 different options English Italian French German and Spanish The language selection is only available for the messages de...

Page 32: ...SERVICE MANUAL Description Rev 1 Rotograph EVO 3 13 Figure 3 1 Block diagram ...

Page 33: ...l view of the keyboard while details on each functional area are provided in the following pages Figure 3 2 Adult Child selection button Size Selection button Type of biting selection button Exposure Parameters Variation button Centring Patient Entrance button Exam mode selection buttons Angulation button Centring devices ON button Test button Light signalling X rays in progress Messages display L...

Page 34: ...identified by the arrows help navigate within the exams of each mode It is possible to select the anatomic mode examinations anatomic selection using prefixed exposure values This kind of selection enables to choose between Adult Child each with three different sizes small medium large The Panoramic mode enables to select the patient s type of biting between protruded standard or retracted marked ...

Page 35: ... indicating the user that by pressing the X ray button key once more X rays emission will start the second indicates the effective emission of X rays The movement of the column is controlled by the appropriate keys The speed has two set values The movements are enabled during equipment setting The key Luminous centring device helps turn ON OFF the laser centring devices that allow the correct posi...

Page 36: ...s in case of collision with patient or in case of release of rays button Repositioning the rotation group to bring the group to the initial position after the examination and to exit from the making an exposure mode Confirmation 8 Key to display DAP values Anatomic selection 9 Patient selection key Adult or Child green LED 10 Size selection key Small Normal or Large green LED 11 Arch selection key...

Page 37: ...SERVICE MANUAL Description Rotograph EVO Rev 1 3 18 THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 38: ...rd device Rated line voltage 220 240V 110 120V Line frequency 50 60Hz Maximum line current 7 A 230V 50 60Hz 15 A 115V 50 60Hz Power consumption 1 6 kVA 230V 50 60Hz 1 7 kVA 115V 50 60Hz Protection fuse F1 7 A T 15 A T Protection fuse F2 of switching power supply 1 6 A T 3 A T Generator board protection fuses F1 10 A F F2 5 A HF F3 2 A T Line apparent resistance 0 5 Ω max Line voltage regulation 3 ...

Page 39: ...me accuracy 10 Examination modes Examination selection Automatic selection for Adult and Child 3 sizes 3 biting modes in Panoramic Manual selection Collimator with automatic positioning Panoramic NOTE Some of these exams are optional and depend on the system configuration Standard Panoramic Half Panoramic L R Improved orthogonality Panoramic Reduced dose Panoramic Frontal dentition TMJ Temporal Ma...

Page 40: ...05 Manufacturer Villa Sistemi Medicali S p A 20090 Buccinasco MI Italia Maximum tube voltage 86 kVp kVp accuracy 8 Maximum anodic current 12 mA Anodic current accuracy 10 Duty cycle 1 16 Nominal power 1 032 kW 86 kVp 12 mA Total filtration 2 5mm Al eq 70 kVp HVL Half value layer 3 1mm Al eq 86 kVp Transformer insulation Oil bath Cooling By convection Leakage radiation at 1 m 0 5 mGy h 86 kVp 12 mA...

Page 41: ...tage 105 kVp Filament max current 4 A Filament max voltage 8 V Anode thermal capacity 30 kJ Laser centring devices 2 laser beams are used for the patient positioning beams align mid Sagittal and Frankfurt planes please refer to relevant paragraphs for detailed explanation Wave length 650 nm 10 nm Divergence 2 0 mRad Optical power on the working surface 1 mW Laser class Class 1 laser product accord...

Page 42: ...lbs Weight of arm support rotating arm and tube head 74 kg 163 lbs CEPH arm 20 kg 44 lbs Legs optional 30 kg 66 lbs Working conditions Minimum room size please refer to the Service Manual 130x120 cm 51 2 x47 2 without CEPH 145x200 cm 57 x78 7 with CEPH Recommended room size please refer to the Service Manual 130x140 cm 51 2 x55 1 without CEPH 160x220 cm 63 x86 6 with CEPH Maximum working temperatu...

Page 43: ...C 60601 2 7 1998 IEC 60601 2 28 1993 IEC 60601 2 32 1994 Electromagnetic compliance IEC 60601 1 2 2001 Protection against radiation IEC 60601 1 3 1994 IEC 60825 1 1993 A1 1997 A2 2001 Classification Rotograph EVO D is an electro medical X ray device belonging to Class 1 and Type B as per classification IEC 60601 1 foreseen for a continuous working at intermittent load According to CE 93 42 directi...

Page 44: ...SERVICE MANUAL Technical data Rev 1 Rotograph EVO 4 7 4 2 Loading curve of the tube and cooling curve of the anode Tube CEI OPX 105 0 5 IEC 60336 Load Anode cooling curve ...

Page 45: ...SERVICE MANUAL Technical data Rotograph EVO Rev 1 4 8 Tube head heating and cooling curve 0 50 100 150 200 250 300 350 400 0 100 200 300 400 500 600 min E kJ ...

Page 46: ...red on the initial phase of the panoramic and increased on the scissors canine zone in order to compensate the effect of the cervical spine The value displayed during the panoramic examination corresponds to the one chosen by the user while the real value can be different these effects must be considered in case of measure of the exposure factors using standard diagnostic mode As an example the va...

Page 47: ...non invasive instrument by performing the following procedure 1 With the unit switched on select the Panoramic Examination mode by pressing key Examination mode Selection M 11 2 Pressing the keys increase 4 decrease 5 and F1 at the same time the LEDs relating to Patient type Patient size and Biting switch off and the display shows x x k V x x m A x x x s E M I S S I O N P R O G R A M WARNING The f...

Page 48: ...can vary within the limits shown in the following table Parameter Minimum value Maximum value kV 60 86 mA 6 12 s 0 2 15 5 Perform an exposure the emitted parameters kV and Time can be read on the measuring instrument NOTE The performances are guaranteed only if the measurement of kV and time is done with the invasive method due to the fact that the non invasive method may introduce errors for inst...

Page 49: ...VICE MANUAL Technical data Rotograph EVO Rev 1 4 12 4 5 Dimensions with free standing base 905 35 63 1755 69 10 1600 63 00 2450 96 46 1020 40 16 Ø 1040 40 95 Ø 1140 44 88 1271 50 04 Figure 4 1 Base version ...

Page 50: ...ograph EVO 4 13 905 35 63 1755 69 10 927 36 50 1777 69 96 1600 63 00 2450 96 46 1020 40 16 Ø 1040 40 95 1271 50 04 1910 75 20 Ø 1140 44 88 1970 77 56 with free standing base with free standing base Figure 4 2 Version with cephalometric unit ...

Page 51: ...SERVICE MANUAL Technical data Rotograph EVO Rev 1 4 14 THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 52: ...talled as indicated in the picture at paragraph 5 3 a certain distance from heating devices the entries in the room for the transport of the unit must have a minimum width of 80 cm 31 50 WARNING In its standard versions Rotograph EVO must be fixed to the wall with the two brackets supplied Each dowel must support a max extraction force of 120 kg 264 lbs The fixing dowels to be employed for any kin...

Page 53: ...connect the unit to the line using a normal socket to avoid compromising the electrical safety The unit must be connected to a differential magneto thermal switch to separate the unit from the supply This switch must comply the electrical regulations in force in the country of installation The supply conductors must have a 1 5 mm2 16 AWG section The general grounding must comply with the rules in ...

Page 54: ...ray emission area This button must be suitable to prevent unwanted emission The standard X ray button supplied with the unit has the above characteristic READY light Green light 24V 40W max it signals that the machine is ready to perform the exam contact N O X RAYS light Yellow light 24V 40 W max it signals the entry in the X ray room is forbidden since an exposure is on the run contact N O Figure...

Page 55: ... the closing contacts relative to the above mentioned functions Power voltages for the relevant devices have to be provide from outside making sure not to exceed the indicated ratings To connect all control and warning devices it is advisable to set 6 wires with 0 5 mm section minimum ...

Page 56: ... 80 kg 176 lbs 95 kg 209 lbs Column complete with console Covers Accessories 145 kg 319 lbs 160 kg 352 lbs Cephalometric device Covers Accessories for Cephalometric device 57 kg 126 lbs 72 kg 159 lbs NOTE All boxes mount shock detectors At the receiving and before opening boxes verify that those sensors have not been activated WARNING Villa Sistemi Medicali will not bear any responsibility for dam...

Page 57: ...SERVICE MANUAL Pre installation Rotograph EVO Rev 1 5 6 5 3 Space requirements 5 3 1 Version without CEPH A minimum 600 mm 23 6 recommended 800 mm 31 5 for service purpose Figure 5 2 ...

Page 58: ...stallation Rev 1 Rotograph EVO 5 7 5 3 2 Version with CEPH A 600 mm 23 6 minimum 800 mm 31 5 recommended for service purpose B 1460 mm 57 minimum front space 1610 mm 63 recommended front space for service purpose Figure 5 3 ...

Page 59: ...SERVICE MANUAL Pre installation Rotograph EVO Rev 1 5 8 THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 60: ...tained in 2 PAN version or 3 boxed CEPH version The mechanical mounting consists exclusively in assembling the above mentioned groups Most of the adjustment are carried out in factory Two technicians will be necessary to perform some procedures the phases requiring the intervention of two men are identified in the related chapters ...

Page 61: ...els In order to find the right position of the brackets it is necessary to use the quotes indicated in the Figure 6 1 It is very important the vertical alignment of the central holes and the perpendicularity with the floor it is strictly suggested to use a plumb 1 Mark the wall by a centre punch at the level of the fixing holes drill the wall according to the type of dowels see chapter 5 70 5 2 76...

Page 62: ...e four adjustment feet in the lower side of the column NOTE In case of free standing base version it is necessary to remove the four feet before to raise up the column Fixing brackets A Retaining bracket B Feet grub screws Figure 6 2 1 Remove the screws used to fix the column to the wooden pallet and raising it this operation requires the presence of two persons 2 With the column in vertical posit...

Page 63: ...ert some spacers Figure 6 3 provided with the column between the lower bracket and wall Once the position is reached tighten the screws 10 Acting on the feet grub screws Figure 6 2 adjust them in order to level the feet on the floor At the end cover the grub screws with the provided cups To easily reach the back side of the column leaving it hook to the wall remove the fixing screws located in the...

Page 64: ...SERVICE MANUAL Installation Rev 1 Rotograph EVO 6 5 Lower fixing plate D Upper wall bracket C Upper fixing plates E Spacers Retaining bracket B Screws F Figure 6 3 ...

Page 65: ...den frame that holds the rotating arm 2 Remove the screws fixing the rotating arm to the wooden frame Raise up the support rotating arm using the designated handling zones Figure 6 4 This operation requires the presence of two persons Handling zones Handling zones Figure 6 4 3 Move the rotating arm near the column from lateral side in order to avoid contacts between the cassette holder and the chi...

Page 66: ... 6 6 to the column without tightening them Retaining bracket Figure 6 5 5 Remove the two posterior screws fixing the CPU board support plate to the rotating arm and tilt it at about 75 lock the support plate to the lateral frame 6 Insert the reference pins B Figure 6 6 between the rotating arm and column using a hammer Insert the remaining two screws C Figure 6 6 and tighten all the fixing screws ...

Page 67: ... about 90 in clockwise direction in order to reach easily the covers screws 8 Remove the tubehead cover remove the two spacers D and the lower fixing bracket E Figure 6 7 Lower fixing bracket E Spacers D Figure 6 7 9 Open the cassette holder and mount the rotating arm lower cover Figura 6 8 Figura 6 8 ...

Page 68: ...igure 6 9 11 Insert the cables between column and rotating arm through the holes present in the rotating arm reposition and fix the CPU board and connect the cables to the related connectors NOTE For 110 120V version to access to the CPU board connectors it is necessary to remove the metallic cover At the end of the connections position the cables in the relevant seating and remount the cover ...

Page 69: ...nd pinned in the factory In case the arm is provided later unit upgrade the unit is already pre set to accept it but the centering between the X ray beam and the cassette must be performed in the field The Ceph device is shipped in a dedicated packaging and is already pre assembled in a single piece composed of the following parts Ceph arm including the handle for installation Skull clamp and ear ...

Page 70: ...fixing bracket F 2 Rotate the column in clockwise direction in order to reach the column back side 3 Lift the Ceph arm with the red handle and the handling zone and remove it from the package Figure 6 10 4 Position the Ceph arm near the column and using the reference pins and screws fix the Ceph arm to the column Figure 6 11 5 Insert the cable in the hole between column and rotating arm and connec...

Page 71: ...the column rotation fixing screw located in the back side of the column basement and loose the upper fixing bracket F Figure 6 3 removing the two screws in column side and the two in wall side and loosening the two central screws Rotate the upper fixing bracket F and rotate the column in clockwise direction in order to reach the column back side Figure 6 12 ...

Page 72: ...ns If the operator detects irregularities or damage he should immediately inform the Technical Service Department The appliance s performance is checked and where necessary corrected during the maintenance activities performed by the Technical Service Department in accordance with the indications provided in the following chapters Such interventions are recorded in the Maintenance Logbook in the U...

Page 73: ...hat concerns electrical safety of the device and must make sure of restoring all provisions for electrical safety which may be affected during a service intervention and to solicit the customer to have the electrical safety tests repeated every time the intervention has caused the replacement of important parts or the intervention has significantly affected safety provisions of the device ...

Page 74: ...O 7 3 7 1 Service tools In order to perform a correct system calibration is suggested the use of the following tools Code Description Function 6107900100 Laser centering tool 6107900200 Symmetry check tool Used for Panoramic function adjustment and calibration ...

Page 75: ...nd laws of their country 1 Switch ON the machine and go to Exam Selection 2 Select the Standard Panoramic function 3 Place the centering tool P N 6107900200 Figure 7 1 on the chin rest Figure 7 1 Centering tool P N 6107900200 4 Insert a cassette with an unexposed film and make an exposure in Adult mode at 60 kV 6 mA and develop the film NOTE If with the above parameters kV and mA the film obtained...

Page 76: ...0 08 NOTE The dots that appear on the film refer to the metallic spheres on the centering device P N 6107900200 6 If distance A is outside the tolerance range adjust the Y axis see paragraph 8 3 4 2 accordingly and repeat the exposure 7 If the distance between the projection of the side spheres with that of central sphere is not symmetrical and not within the tolerance range of 2mm adjust the rota...

Page 77: ...bed in paragraph 8 3 1 Using the increase key 4 and the decrease key 5 set the password equal to 124 and confirm with the Patient entrance 7 key M A C H I N E S E T T I N G P R E S S 0 2 Close the Panoramic sensor holder if open and press key 7 the following message will be displayed W A I T F O R M A C H I N E S E T T I N G followed by C E P H P O S I T I O N I N G P L E A S E W A I T When the ma...

Page 78: ... H The CEPH centering complete procedure is composed by the steps reported on the following table perform them in the correct order Step Action Reference paragraph I Rotation arm alignment 7 2 2 1 II Ear centering circles setting 7 2 2 2 III X ray beam vertical alignment 7 2 2 2 IV Soft Tissue Filter adjustment 7 2 2 3 WARNING Do NOT modify the CEPH Menu Y offset of Password 124 functionality can ...

Page 79: ... performed with X ray pressing on key Parameter selection 3 and on keys increase 4 and decrease 5 set values kV mA and seconds for the exposure suggested values 60kV 6mA and 0 4s 10 Set the skull unit in Latero Lateral projection with the ear bars completely open 11 Insert the cassette into the cassette holder as per the engraved indications Symmetrical WARNING X rays will be emitted during the pe...

Page 80: ...ue 01 and with keys 13 and 12 turn the tubehead arm increasing the displayed offset value eeeee if the left distance is lower than the right one or viceversa repeat the test from point 12 14 When the right setting is reached press key Test 6 to exit the menu item and if modifications have been performed the following message will be displayed U P D A T E C H A N G E S 0 Y T N 15 Press key 7 to sto...

Page 81: ...centres if it is necessary to adjust the Ear Centering Circles position perform the setting actions described in paragraphs 7 2 2 2 1 and 7 2 2 2 2 2 Take a new images until the Ear Centering Circles are concentric 3 At the end of Ear Centering calibration evaluate on the film if the X ray beam is vertically displaced i e more than 10 mm upper or lower white border present if it will be necessary ...

Page 82: ...er ear set farthest from the cassette is shifted more towards the nose rest with respect to the smaller diameter ear rest nearer to the cassette screw adjustment screw D and manually turn the group clockwise In the opposite case unscrew adjustment screw D and the group will shift automatically Once the correct centering is obtained a test exposure is required fix screws C and block adjustment scre...

Page 83: ...centric Ear Centering Circles Loosen the two screws F Figure 7 2 Adjust position of the arm acting on screw G Figure 7 4 Once the aligned position has been reached tighten bolt H Figure 7 4 and tighten screws F Upon completion of the adjustment a test exposure is required to verify it G H Figure 7 4 Side view ...

Page 84: ...bly is in the latero lateral position 3 Insert a cassette with an unexposed film accordingly with the selected projection 4 Perform an exposure at 60kV 6mA 0 4sec and develop the film Depending on the projection to be adjusted act on filter I Figure 7 5 for 18x24 8 x10 or 24x30 Asymmetrical projection and or on filter L Figure 7 5 for 24x18 10 x8 or 30x24 Asymmetrical projection loosening the two ...

Page 85: ... a Remove the outer covering of the H F generator placed on the rotating arm b Remove the protection grid of the Generator board WARNING The Generator board has a working voltage of about 400V The exposure parameters can be checked with the procedure described 1 Power off and on the unit The following message will be displayed R E L E A S E After 3 seconds the following message will be displayed T...

Page 86: ... to the RX EMISSION menu and confirm with the key Patient Entrance 7 At the selection of the X ray emission test the display will show the following message X R A Y E M I S S I O N 7 2 k V 0 6 m A 1 4 0 S WARNING From now the emission is enabled it starts with the X ray button press so take care of this situation Pressing the parameter changes key 3 it is possible to choose a different combination...

Page 87: ...86 s 0 2 15 mA 6 12 NOTE This action allows you to carry out the measuring of the exposure parameters having the tubehead arm in a fix position not rotating WARNING X ray will be emitted during the performance of the following operations Authorised technicians are therefore recommended to use the greatest caution and to comply with the safety regulations and laws of their country ...

Page 88: ...GND test points and TP46 kV set nearby X57 The value on these points must range from 2 7 and 3 3 V 3V 3 If it is out of tolerance replace the Generator CPU board A9 otherwise replace the Generator board Measured valued for different set values are contained on the following table kV Nominal value Minimum value Maximum value 60 3 2 85 3 15 70 3 5 3 325 3 825 80 4 0 3 8 4 2 86 4 3 4 085 4 515 If all...

Page 89: ...re contained on the following table mA Nominal value Minimum value Maximum value 6 1 98 1 822 2 138 7 2 31 2 125 2 495 8 2 64 2 429 2 851 9 2 97 2 732 3 208 10 3 30 3 036 3 564 11 3 63 3 340 3 920 12 3 96 3 643 4 277 In case the detected values are outside these ranges check that the voltage between TP40 GND and TP34 ma is contained on the above ranges If not replace the Generator CPU board A9 7 3...

Page 90: ...o be modified 2 Press key 3 to select the parameter to modify on the display on the left of the value the reference character will appear 3 Press increase 4 or decrease 5 keys to set the value to store At the end of the modifications the new parameters are stored by pressing concurrently the decrease 5 and function F1 key After pressing the keys the display will show the following message S T O R ...

Page 91: ...V mA Large 76 10 kV mA 70 10 kV mA Large 78 10 kV mA 70 10 kV mA SINUS Adult Child Small 70 10 kV mA 66 10 kV mA Medium 74 10 kV mA 68 10 kV mA Large 76 10 kV mA 70 10 kV mA CEPHALOMETRY L L CEPHALOMETRY A P P A Adult Child Adult Child Small 74 12 0 8 kV mA s 72 12 0 7 kV mA s Small 84 12 2 kV mA s 80 12 1 5 kV mA s Medium 76 12 0 8 kV mA s 74 12 0 9 kV mA s Medium 84 12 2 kV mA s 80 12 1 5 kV mA ...

Page 92: ... check if they blow again If they blow check on the Generator board if V6 and or V31 and V36 are short circuited and in this case replace tubehead and Generator board If not short circuited replace the tubehead H2 ON As per H1 above H3 ON If OFF check fuse F3 of the Generator board If not blown replace the Generator board If blown replace it with a new one of the same value and type make another e...

Page 93: ...m H7 to H10 and verify in which case the LEDs start blinking verify the relative cable Otherwise replace the Microprocessor board A6 H7 Column CAN BUS device OFF If blinks check the X11 cable on both side If it is OK replace the column CPU board A1 H8 Keyboard CAN BUS device OFF If blinks check the X18 cable on both side If it is OK replace the Keyboard PCB A4 H9 CPU Generator CAN BUS device OFF I...

Page 94: ...en releasing the X ray button or pressing key Patient entrance 7 when a movement is in progress This message will be displayed as follows E x x x P R E S S R E S E T xxx code number of the error message Operating conditions are reset by pressing key 7 2 Messages arising from a system defect In this case the Technical Service must be called The messages that require the intervention of the Technica...

Page 95: ...n of film cassette optical sensor 8 2 2 4 221 Timeout film Cass Motor 8 2 2 4 222 End run of cassette motor not found 8 2 2 4 Y motor Code Error description Reference chapter 240 Zero position micro Y always active 8 2 2 5 241 Zero position micro Y never active 8 2 2 5 242 Unexpected activation of Y axis 8 2 2 5 243 Timeout on Y axes 8 2 2 5 Primary Collimator Code Error description Reference chap...

Page 96: ... 2 4 6 759 Alarm unexpected emission 8 2 4 6 771 Frame longer that expected 772 Invalid Analogue channel selection 773 Unknown command Protocol errors power OFF the unit and ON again If error is still present call Technical Assistance 774 RX button not pressed on HF board 8 2 4 7 775 RX button released during emission on Generator board 8 2 4 8 776 Watch Dog CAN intervention Action as per E771 Ver...

Page 97: ...8 2 1 Errors with code from E000 to E199 All these are errors related to the main CPU board A5 and its internal peripheral Power OFF the unit and after 1 minute delay power it ON again if the error is displayed again replace the Microprocessor CPU board A6 ...

Page 98: ...raph EVO 8 7 8 2 2 Errors with code from E200 to E299 These errors are related to the various axis movement and require the replacement of some parts only the following error message E206 can be generated by a special condition and can be reset ...

Page 99: ...e rotation motor service program it is possible to check the cause of the error T Z E R O f f a Z E R O O F F S e e e e In normal conditions the display must visualise X in place of the character a In all cases the sensor s functionality can be checked by placing an opaque thin material in the optical path and looking at the voltage coming out from the sensor Using the left and right arrows it is ...

Page 100: ...ystem press the patient centering key to restart the power on procedure to correctly set the unit If the error message is again displayed there is a fault on the rotation sensing circuit and perform the following steps 1 Check that rotation motor M3 is rotating if not check the cable from the motor to Rotation Group board A7 connector X61 up to the main CPU board A5 connector X25 X25 2 If the moto...

Page 101: ... cause can be a fault on the sensor or a fault on the control system Entering the setup and alignment procedure for cassette motor it is possible to check the status of sensors and motor C Z E R O f f a b c d Z E R O O F F S e e e e a is the status bit of the film cassette holder position that is 1 if its is in PAN or if not in PAN open b is the status of cassette presence 1 is Cassette inserted 0...

Page 102: ...ve signal if the arm does not move or moves with difficulty or jumps Check the belt and verify that it is not broken if the belt is loose adjust its tension Check cables of the Y axes motor there can be a short circuit or a broken wire check also for a loosen contact In case of short circuit replace the cable verifying also that no damage has been caused to the motor driver D27 on the CPU 2 If the...

Page 103: ...sed before the pre determined steps Entering the alignment procedure for primary collimator the following message is displayed P O S X S P E E D Y a O F F S E T x x x x Where X is signalling the expected position of the primary collimator slit 0 PAN Child 1 PAN Adult the following are for Ceph formats Y is the rotation speed that can be changed using the up and down arrows a is the status of B8 se...

Page 104: ...r position Close the PAN cassette holder to its position and press the Patient centering key to restart the power on procedure If this do not reset the error message Check the proper function of optical sensor B6 Its status can be checked using the setup procedure for Casette PAN position as already explained for error E220 Check continuity of cables from optical sensor to A8 board connector X48 a...

Page 105: ...g the CANBus cable Check that the cable X18 X18 to the main CPU is well inserted and its continuity From the main CPU the signal is routed to the Generator board A10 using the CANBus cable X20 X20 check also that this cable is well inserted and its continuity Replace it if damaged If the error is still present check the correct insertion of the flat cable between the Generator CPU board A9 to the ...

Page 106: ...motors released in order to allow for the patient s exit Press the reset button and restart the operation as suggested by the control system 8 2 3 4 E380 Invalid CANBus message from Generator CPU board A9 This error is displayed when the main CPU board A5 receives an invalid message from the Generator board A10 that is a message which contents is not listed on the valid data dictionary of the unit...

Page 107: ...e same meaning that is a no answer to main CPU can messages but their occurring is in different times E381 is generated during power on while E382 is displayed after a regular power on sequence In both cases the error can be generated by a bad connection of the CANBus or a fault on the local Generator CPU board or on the Generator board so the steps above described for E380 are applied ...

Page 108: ...E755 the system must be immediately powered off because there is an unexpected emission E759 or the emission has not been terminated into the expected time WARNING On the Generator board A10 there are dangerous high voltage 230 VAC and 400 VDC Before accessing the Generator CPU and power board A9 and A10 it is mandatory to switch off the mains and wait up to 2 minutes in order to allow the dischar...

Page 109: ...eplace the Generator board If LED H3 is off perform the appropriate operations as described in the previous chapter 8 2 4 2 E751 Over voltage kV This message is displayed when a value higher than expected has been detected on the Generator board A10 Check that connector X57 is well inserted With the connector inserted measure the resistance between pins 2 and 4 of connector harness to tubehead tha...

Page 110: ... the filament not only the filament itself Check that connector X56 is well inserted Check the continuity of wires from X57 to the tubehead Verify the correctness of pre heating parameters If all OK replace the tubehead 8 2 4 5 E756 PFC failure This message is signalling that the PFC Power Factor Control circuit is not correctly functioning If the error is present in stand by mode replace the Gene...

Page 111: ...or board A10 and Generator CPU board A9 Check the CANBus connection between the Generator CPU board A9 and the main CPU A5 cable X20 X20 If all connections are OK same as for LED H1 in chapter 8 1 1 If the second condition is not met that is the X ray emission do not fall under the value in a pre set time the message E759 Unexpected emission is displayed This message can be also displayed if the s...

Page 112: ...l is routed to the Generator board using the CANBus cable X20 X20 check also that this cable is well inserted and its continuity Replace it if damaged If the error is still present check the correct insertion of the flat cable between the Generator CPU board A9 to the Generator board The cable is labelled X53 X53 replace it if damaged 8 2 4 8 E775 RX button released during the emission This messag...

Page 113: ...ment 8 2 5 1 E800 Timeout on CAN activation for vertical motor This error is displayed when there is no answer to main CPU board A5 from CAN messages during power on The error can be generated by a bad connection of the CANBus or a fault on the Column CPU board A1 Check the CANBus cable X11 X11 and replace it if faulty otherwise replace the Column CPU board ...

Page 114: ...message is displayed when there is a fault on the column movement Check that the column movement power supply fuse F4 is not blown Check the safety column movement microswitches work correctly otherwise replace the microswitches assy microswitches cable CANBus cable X11 X11 and replace it if faulty otherwise replace the Column CPU board ...

Page 115: ...xplicit request it means that those buttons are pressed In this case replace the keyboard membrane and after the control board Otherwise the following message is displayed E 8 5 0 x x x x x x x x C A L L T E C H A S S xxxxxxxx code number for message 850 Release the corresponding key if pressed and repeat the power on procedure Otherwise replace the keyboard membrane and after the control board A4...

Page 116: ...opped and this message is displayed This is useful in case an abnormal motion is detected for instance the column do not stop at the release of the corresponding button but still continue to move Check if one button has been involuntary been pressed and restart the operation with a new power on procedure In case there is a glued key one of the previous message E850 and E851 must be displayed so ac...

Page 117: ...rvice programs Each service program can be accessed through a dedicated password The service programs available are the following Password 92 Configuration of the system see paragraph 8 3 3 Password 112 Fault check see paragraph 8 3 6 Password 118 Test on motors positioning sensors setting of the zero offsets of the axes and the collimators see paragraph 8 3 4 Password 124 Definition of the parame...

Page 118: ... R V I C E M E N U C O N F I G U R A T I O N The service menu is directly accessed but some functions are protected by further password 2 Using the scroll right and scroll left keys it is possible to select the service program to be used the list is as follows CONFIGURATION AXIS ALIGNMENT CEPH SETTINGS TROUBLESHOOTING SYSTEM BURN IN SHOW CONFIG CONFIGURATION Select the desired Service Program and ...

Page 119: ...rvice program it will confirm the changes storing new values on the configuration area This operation is generally signalled by a specific message on the display Test T it is used to quit a service program passing to an upper level It is also used alternatively to the Patient Centering to discard the performed changes on the interested parameters This operation is signalled by a specific message o...

Page 120: ...NAGE PANO OPT DIGITAL MODE PAN ONLY OPTION SENSOR HANDLING DSPU IP ADDRESS DSPU NET MASK LANGUAGE WARNING Do NOT modify PAN ONLY OPTION and DIGITAL MODE menus changing the set mode will affect the complete system functionality These parameters must be Pan only option OFF Digital Mode OFF Wrong setting of the above parameters provide Error 420 NOTE Changing on SENSOR HANDLING DSPU IP ADDRESS and DS...

Page 121: ... EVO Rev 1 8 30 8 3 3 1 Language In this menu it is possible to select the language of displayed message of the user s panel language of service menus is always English in one of the following ENGLISH ITALIANO FRANCAIS DEUTCH ESPANOL ENGLISH ...

Page 122: ... date time during the final test of the equipment It is the installer s responsibility to set if wanted the local date time Once selected the following message is displayed D A T E T I M E S E T D A T E D D M M Y E A R It is possible to scroll between the date and time set Confirming the Date change the display changes as follows A D J U S T D A T E D X X M Y Y Y Y Y The symbol is signalling which...

Page 123: ...s OFF a warning message will be displayed just after the initial message one and before the TEST message The display is cleared by pressing the Patient centering 0 key 8 3 3 4 Display brightness Display contrast These selection allow the set of brightness and contrast of the display in order to set those as a convenient level for the operators The display brightness will decrease with higher value...

Page 124: ... manner to be comfortable for the installation surroundings The factory set value is 127 increasing it will increase the brightness and viceversa 8 3 3 6 Key click sound Key click volume The clicking sound of the pressed key can be set ON OFF once set to ON also its volume can be adjusted at the appropriate volume ...

Page 125: ... to change and set the value according to the protection key received F F F F F F F F F F F F F F F F V A L U E x F F Where VALUE x is the value assigned to the couple of digits with x ranging from 0 to 7 and FF is the hexadecimal value assigned to the specific couple Using the standard buttons to move into the selected field set its value equal to the one received for the appropriate position Val...

Page 126: ...increase decrease key set the password equal to 118 and confirm with the Patient centering key Before entering the relevant menu the system centering functions are performed those operations can be interrupted if needed by pressing once again the Patient centering 0 key NOTE Interruption of this operation must be performed only in case those functions are used to check some hardware faults If the ...

Page 127: ...n as an answer to the following message U P D A T E C H A N G E S 0 Y T N In both cases the upper level of service menu is reached WARNING Changes to one or more offset values affect the system s functionality so take care to not alter those values if not needed Normally only the replacement of faulty parts motors belts zero optical sensors etc will require to act on those data ...

Page 128: ...ce the Patient centering 0 key is pressed the following message is displayed T Z E R O Y Y a Z E R O O F F S x x x x x where YY is the stepper motor speed that can be changed using the parameter increase decrease keys a is the status of the zero optical barrier 1 means engaged i e barrier interrupted 0 otherwise xxxxx is the current value of the offset that can be changed with the left right keys ...

Page 129: ...of the central path Once the Patient centering 0 key is pressed the following message is displayed Y Z E R O Y Y a Z E R O O F F S x x x x x where YY is the stepper motor speed that can be changed using the parameter increase decrease keys a is the status of the zero optical barrier 1 means engaged i e barrier interrupted 0 otherwise xxxxx is the current value of the offset that can be changed wit...

Page 130: ... the following message is displayed C Z E R O Y Y a b c d Z E R O O F F S x x x x x where YY is the stepper motor speed that can be changed using the parameter increase decrease keys a is the status bit of the film cassette holder position that is 1 if it is in PAN or if not in PAN open b is the status of cassette presence 1 is cassette inserted 0 otherwise c and d are the statuses of end run sens...

Page 131: ...lumn up column down keys 0 is the PAN Child 1 is the PAN Adult and following are the CEPH slits If the slot is changed the LED of the Test T key will blink to signal that it is possible to position the collimator disk on the selected position This is performed pressing the Examination Mode Selection M key YY is the stepper motor speed that can be changed using the parameter increase decrease keys ...

Page 132: ...the offset value of the slit under exam the final store of the offset will be performed only leaving the menu by pressing the Test T key The standard message asking for the confirmation of changes is visualized the Patient centering 0 key will confirm all changes while the Test T key will discard all modifications ...

Page 133: ...uence to align the X ray beam to the Ceph arm The operations contained in this menu are useful to enable the Ceph examination and perform all operation to center the Ceph Once completed the zeroing the following message is visualized C E P H M E N U E N A B L E C E P H and it is possible to select one of the following operation ENABLE CEPH Y OFFSET ROTATION OFFSET PR COLL SETUP DISK COLL TYPE DEFA...

Page 134: ...lowing message C E P H M E N U C E P H I S E N A B L E D or C E P H M E N U C E P H I S D I S A B L E D according to the factory setting It is possible to change the set value using the parameter increase decrease keys Pressing the key will quit the menu and the disabled enabled status is temporarily stored in volatile memory The system will return to the upper level that is the Ceph menu where it...

Page 135: ... 5 2 Y Offset This function allows the set of the offset of Y axis the motion along the mid sagittal plane of the patient but its function is to center the X ray beam on the ceph sensor WARNING Do NOT modify this parameter functionality can be severely impaired ...

Page 136: ...yed T Z E R O Y Y a Z E R O O F F S x x x x x where YY is the stepper motor speed that can be changed using the parameter increase decrease keys a is the status of the zero optical barrier 1 means engaged i e barrier interrupted 0 otherwise xxxxx is the current value of the offset that can be changed with the left right keys 8 3 5 4 Primary collimator setup This function allows the set of the offs...

Page 137: ... ray beam and the chosen cassette Once the Patient centering 0 key is pressed the following message is displayed D I S K C O L L T Y P E a a a a a a a a where aaaaaaaa can be set among the following formats STANDARD collimator based on 18x24 cm format 24x30 collimator based on 24x30 cm format INCH collimator in inches based on 8 x10 format It is possible to change the set value using the parameter...

Page 138: ... projection used for orthodontic The message indicating the actual set format is displayed D E F A U L T F O R M A T c c c c c c c where the characters corresponds to the possible cassette formats projection that can be selected and set as default values for the cephalometric examinations i e the type of cassette format projection that appears each time the cephalometric examination is accessed Us...

Page 139: ...word equal to 112 and confirm with the Patient centering now it is possible to access the configuration menus of the following list AXIS MOVEMENTS TEST COLUMN TEST INPUT PORTS REMOTE SIGNALS RX EMISSION PRE HEATING TIME PREHEATING LEVEL AUTO CALIBRATION AXIS MOVEMENTS NOTE Of these submenus actually only the Test Column Test Input Ports RX emission Pre heating time and Preheating level are active ...

Page 140: ...s function is used to verify the functionality of the column UP DOWN end run microswitches The display will be updated as follows C O L U M N T E S T I D L E 0 0 0 a b Using the column up column down keys verify that the last two digits change status a 1 column up b 1 column down ...

Page 141: ...ting the optical sensor microswitches The display will be updated as follows T E S T I N P U T P O R T S R y 7 6 5 4 3 2 1 0 where Ry selected port code R4 R5 R6 R7 76543210 logic status of the port inputs NOTE The following table describes the correspondence between the displayed figures and the corresponding input signal The digits are numbered from 7 to 0 The 7 digit corresponds to the characte...

Page 142: ...6 Panoramic cassette end position B4 1 5 CEPHALOMETRIC cassette present S10 0 4 PANORAMIC cassette present S9 0 3 Cassette Sensor holder in CEPHALOMETRIC position B7 1 2 Cassette Sensor holder in PANORAMIC position B6 1 1 Remote control X rays button X71 1 X71 2 1 0 X rays button on column S8 1 R7 7 not used 1 6 Ceph sensor holder start position B11 1 5 not used 1 4 Ceph secondary collimator start...

Page 143: ...4 0 s X R A Y P A R A M E T E R S WARNING In this menu the emission is enabled it starts with the X ray button press so take care of this situation Pressing the parameter changes key it is possible to choose a different combination of parameters Once pressed the display will show 7 2 k V 0 6 m A 1 4 0 S Where the symbol is showing the parameter to be changes in this case the kV To move to mA and e...

Page 144: ...ify this parameter functionality can be severely impaired This function allows the set of the Tubehead pre heating time After the selection the display will show the following message P R E H E A T I N G T I M E V A L U E 2 0 0 0 It is possible to change the set value using the increase decrease keys ...

Page 145: ...ervice Manual Once the patient centering 0 key is pressed the following message is displayed I D L E F I L L E V E L L E V E L 3 0 NOTE DO NOT modify the LEVEL value in this step Pressing the right key the next message is displayed F I L L E V E L X X m A L E V E L Y Y Y where XX is the Tubehead filament current value that can be changed using the left right keys YYY is the Tubehead pre heating va...

Page 146: ...rations 8 3 8 Show configuration This menu allows to show all parameters with its own set value there is no possibility to change the parameters This menu is useful to record on a paper sheet the condition of the machine Its usage is suggested at the end of installation to review and record the parameters Using the right left scroll keys it is possible to view all parameters NOTE The last displaye...

Page 147: ...he spine correcting the height of the cursor and moving the patient s feet forward see 6 4 3 3 4 6 7 of the User Manual Dental arch not symmetrical The median sagittal line does not correspond to the laser centering beam Realign the patient see 6 4 3 6 of the User Manual Upper apical area too dark The patient does not keep his lips closed and his tongue is not against the palate See paragraph 6 4 ...

Page 148: ...storage indications have been complied with Check the working non actinic lamp in the darkroom Plate with stripes The film has rubbed against its box and accumulated electrostatic charges or the screens have not treated with anti static liquid Clean the screens with the anti static liquid Plate with blurred details and good contrast The screen is not correctly pressed between the screens Change th...

Page 149: ...o if the exposure parameters are correctly selected for the patient size Possible causes Cassette holder not in panoramic position Check that the cassette holder is in panoramic position and that the optical sensor B6 is correctly functioning The optical sensor has to sense the correct position when the cassette holder is closed possibly adjust the position of the switch NOTE Take care that the po...

Page 150: ... and a time of 1s 3 Check that the set value during exposure is 3 V 0 2V 4 Repeat the test selecting 70 and 80 kV the reading should be 3 5 and 4 V 0 2V respectively 5 If test fails repeat the test connecting the meter to the CPU test points see description below 6 If all tests pass check tube current connecting the sensing pod to mAset 7 Set mA to 4 mA and perform an exposure and read the value t...

Page 151: ...elf of the related driver Perform the tests described for error message E503 Exposure parameters not correctly The problem can be due to an unwanted oscillation on the exposure parameters Check it using the procedure for the check of exposure parameters the diagnostics may be significantly improved by the use of a memory oscilloscope to trace the waveform of the resulting signals 8 4 3 3 Film with...

Page 152: ...d corrective actions to take The panoramic radiography is the examination of the maxillo facial region normally used to view the dental region inside the complete head and sinuses orbital complex A good panoramic examination allows distinguishing the main anatomical structures that are shown in the next drawing Figure 8 1 Ref Anatomic structure 1 Hard palat plane 2 Maxillary sinus 3 Mandible 4 Tem...

Page 153: ...voided these objects not only create radio opaque images in their own position but also false images projected in other parts of the radiography so disturbing the correct view of the anatomy 3 The patient s head must be lightly tilted downward in order to have the Frankfurt plane horizontal In this way the hard palatal ceiling will be projected slightly over the superior apex of the anterior teeth...

Page 154: ...tongue and the palate will create a lower absorbance area which will result on the film as a darker area which in turn will hide the apex of the superior incisor teeth The result of all the above listed actions will be a radiography where all the parts are properly exposed and are well identifiable as in the schema of Figure 8 3 Figure 8 3 It must be noted that radiography is quite symmetrical wit...

Page 155: ... much shadows disturbing the view The resulting film is similar to the schema shown on Figure 8 4 Figure 8 4 Possible cause The patient is positioned too forward the anterior teeth will result unfocussed and reduced Remedy Check the patient positioning If after the correct patient s positioning the problem still remain check the alignment of rotating arm A more accurate check can be performed usin...

Page 156: ...igure 8 5 Possible cause In the case the patient is positioned too backward Remedy Check the patient positioning If after the correct patient s positioning the problem still remain check the alignment of rotating arm A more accurate check can be performed using the service tool and verifying the distance between the two lateral metal parts ...

Page 157: ...ttal plane matched the centre of the chin support but the patient s head is rotated In both cases one side is closer to the film plane than the other thus resulting in a different magnification of the two sides the part more distant from the film will be more magnified while the part closer to the film plane will result smaller This error in positioning the patient will result in a radiography as ...

Page 158: ...s always present check the laser beam Remedy Verify that the laser beam is vertical this check can be performed very quickly using the laser beam and verifying that falls on the center of the chin support remove the chin support itself and check that the beam falls on the center of the holes used to fix the chin itself If not a possible cause can be due to a non perfect horizontality of the chin a...

Page 159: ...rd with lines divergent upward In some cases the condile vertex might not appear on the image Figure 8 8 Possible cause Patient s head tilted upward A Frankfurt plane too tilted upward produces different anomalies that may also appear contemporaneously A chin support plane too high during the patient positioning or when extending the spine may generate this mistake In this condition the rear side ...

Page 160: ...defects shown on Figure 8 9 the temporo mandibular joints will be positioned too high with lines converging upward In some cases the upper condile might not be visible in the image Figure 8 9 Possible cause Patient s head tilted downward as on the aside schema Remedy Check the positioning of the patient by aligning it with the help of the corresponding light beam ...

Page 161: ...age of the lower incisors but the projection of the palate falls on the lower teeth apex as shown on Figure 8 10 Figure 8 10 In this case a light tilting downward of the Frankfurt plane causes the palate to be projected over and far enough from the roots of the teeth of the maxilla arch without distortion of the incisor teeth as on Figure 8 11 Figure 8 11 ...

Page 162: ...ese cases please consider that all structures have a bilateral duplicate Figure 8 12 Where different references are described among with the cause remedy if any Soft tissue Description Artifacts Description 2 Hear soft tissue 1 Dark shadows due to the air gap between tongue and palat 3 Nose soft tissue 4 Spine column 7 Epiglottis 5 Leaded apron too high The part identified with 6 in Figure 8 12 re...

Page 163: ...reduce X ray absorption Shadows or bright artefacts The most common cause for the presence of these artefacts is the presence of metal objects worn by the patient ear rings necklace The necklace worn on the neck of the patient can normally result in a radio opaque arch positioned in the chin area This arch normally overlaps the chin itself and the shadow of the spine disturbing the diagnosis of po...

Page 164: ...ate an air chamber between the tongue and the palate this air gap creates a less absorbing area that overlaps the teeth often in the apex area This area is identified with reference 1 in Figure 8 12 Remedy Ask the patient to position the tongue against the palate during the exposure Presence of bright spots or rows If these artefacts are always in the same position on the film they are probably ge...

Page 165: ...unexposed area 10x50mm wide Possible cause In this case a cassette with patient identification window has been used Remedy Use a cassette without the identification label The film shows spots similar to lightning Possible cause They might be caused by electrostatic charges produced by the intensifying screens or the scratching of the intensifying screens against the film Remedy Check the humidity ...

Page 166: ...check must be performed removing the cover of the secondary slit and using a scintillator screen placed after the slit checking that the X ray beam normally smaller than the slit itself falls completely onto it leaving a small gap between the upper and lower border If the X ray beam is not correctly centered move the tubehead shifting the beam sligtly on the right if the X ray is too much shifted ...

Page 167: ...y kV value too high Decrease the kV value Improper film screen combination Check film screen compatibility Edge of the film non exposed area blurred Check the film expiration date storage Blurred film Possible cause This problem is normally coupled to the presence of poor brightness in the areas with metal parts This may indicate a problem of the dark room the film has been exposed to the light du...

Page 168: ...sed by mistake or casually replace it with a new one take care of not expose it to X ray or light Light filters through the dark room or in the cassette Check for the presence of light in the dark room and eliminate it Use special lamps in the dark room The cassette has not been properly closed Close correctly the cassette before exiting from the dark room with a new film ...

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Page 170: ...4 Lay out Keyboard PCB A4 5 Circuit diagram Keyboard PCB A4 6 Lay out CPU PCB A5 7 Circuit diagram CPU PCB A5 8 Lay out Microprocessor PCB A6 9 Circuit diagram Microprocessor PCB A6 10 Lay out and Circuit diagram Rotation Group PCB A7 11 Lay out Generator CPU PCB A9 12 Circuit diagram Generator CPU PCB A9 13 Lay out Generator PCB A10 14 Circuit diagram Generator PCB A10 ...

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Page 200: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 59 ROTOGRAPH EVO Circuit diagram Microprocessor PCB A6 9 Code 39079009 Rev 1 Page 3 of 4 ...

Page 201: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 61 ROTOGRAPH EVO Circuit diagram Microprocessor PCB A6 9 Code 39079009 Rev 1 Page 4 of 4 ...

Page 202: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 63 ROTOGRAPH EVO Lay out and circuit diagram Rotation group PCB A7 10 Code 58073025 Rev P Page 1 of 1 ...

Page 203: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 65 ROTOGRAPH EVO Lay out Generator CPU PCB A9 11 Code 58074023 Rev 2 Page 1 of 1 ...

Page 204: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 67 ROTOGRAPH EVO Circuit diagram Generator CPU PCB A9 12 Code 39079011 Rev 1 Page 1 of 2 ...

Page 205: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 69 ROTOGRAPH EVO Circuit diagram Generator CPU PCB A9 12 Code 39079011 Rev 1 Page 2 of 2 ...

Page 206: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 71 ROTOGRAPH EVO Lay out Generator PCB A10 13 Code 58074021 Rev 7 Page 1 of 1 ...

Page 207: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 73 ROTOGRAPH EVO Circuit diagram Generator PCB A10 14 Code 39079013 Rev 6 Page 1 of 3 ...

Page 208: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 75 ROTOGRAPH EVO Circuit diagram Generator PCB A10 14 Code 39079013 Rev 6 Page 2 of 3 ...

Page 209: ...SERVICE MANUAL Schematics and drawings Rev 1 Rotograph EVO 9 77 ROTOGRAPH EVO Circuit diagram Generator PCB A10 14 Code 39079013 Rev 6 Page 3 of 3 ...

Page 210: ...ANUAL Spare Parts Rev 1 Rotograph EVO 10 1 10 SPARE PARTS 1 COLUMN 2 UPPER MOVEMENT ASSY Electrical and mechanical parts Cables 3 ROTATION ARM CASSETTE TRAY 4 CEPH DEVICE 5 COVERS 6 ACCESSORIES AND SERVICE TOOLS ...

Page 211: ...O Rev 1 10 2 1 COLUMN Cables Rif Order code Description Note 1 6207091200 General supply cable 2 6207091300 Ground cable 1 3 6207091900 Generator board A10 power supply cable X2 X70 4 6207090900 CanBus cable X18 5 6207090600 CanBus cable X11 ...

Page 212: ...01200 Console keyboard A4 10 6607150200 Console overlay 11 6607098300 Frankfurt plane laser 12 6607098400 Mid Sagittal plane laser 6607098700 Mirror for S N 10110963 6607098800 Mirror for S N 10110964 13 5107094100 Mirror Rotograph EVO logo 6607099000 Wall fixing brackets kit including spacers and screws 14 6607091900 US adapter plates 15 4492822900 Transformer T1 only for 110 120V version 6607090...

Page 213: ...code Description Note 1 6107035000 M2 Y Axis stepper motor assy 2 6107025000 M3 rotation stepper motor assy 3 4990802300 Carriage belt model HTD 843 3M 15 5807303800 CPU board assy 5807302100 CPU board A5 4 5807303700 Microprocessor board A6 5 5807302500 Rotation group board A7 6 5807302900 Optical sersor board B2 B3 ...

Page 214: ...7040200 Y axis signal cable X27 B1 3 6207040600 CanBus cable X20 4 6207040700 Ground cable 2 5 6207040500 Collimator motor and signals cable X30 X31 X64 X1 B8 6 6207040400 Cassette motor and signals cable X29 X32 X45 7 6207040300 Cassette holder position signal cable X33 X33 8 6207041500 Generator board A10 power supply cable X70 Z2 9 6207080900 Ground cable 3 ...

Page 215: ...ine filter Z2 5 5807302900 Optical sensor board B6 B7 B8 6 6207050400 PAN cassette presence microswitch with cable 7 5807402900 Cassette Interface board A8 8 6207050100 Cassette tray stepper motor M4 9 4990804800 Cassette tray dragging belt L 510mm 10 6207060100 Primary collimator motor M5 11 6607010700 Temple clamp assy valid from S N 09030077 12 5407012001 Temple clasps 1x 13 5207010705 Temple c...

Page 216: ...h EVO 10 7 4 CEPH DEVICE Ref Order code Description Note 1 4291307700 Ceph cassette microswitch 2 5607110600 Ceph cassette holder panel with cassette size indication 3 6607087201 Rod for Ceph centering device 1x 4 6607087501 Nose rest rod assy ...

Page 217: ...VO logo 4 5407201105 Rotation arm lower cover 5 5407011905 Temple clamp cover 6607050400 15x30 cassette holder cover 6 6607050600 24x30 cassette holder cover 7 6607150000 Console covers upper lower 8 5407086601 Ceph device upper cover 9 5407110205 Ceph device lower cover 10 5407087005 Ceph centring device lower cover 11 6607110105 Ceph cassette holder rear cover 12 5407086705 Ceph arm lower cover ...

Page 218: ... pivot 50 pcs 3 6607098005 Panoramic standard chin support 4 5407098105 Edentulous patients appendix 5 6607098105 SINUS chin support 6 6607099800 TMJ positioner 7 6107110800 TMJ positioner protective sleevers 50 pcs 8 6107900100 Laser centering tool 9 6107900200 Symmetry check tool 10 6695905000 PAN cassette 15x30cm 11 6608907000 PAN CEPH cassette 24x30cm 12 6608907100 CEPH cassette 18x24cm 13 660...

Page 219: ...SERVICE MANUAL Spare Parts Rotograph EVO Rev 1 10 10 THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 220: ...of view but contains only default parameters which are not related to the unit where it will be installed Entering of the listed parameters can be performed through the service programs passwords NOTE The information listed in the table are the technical parameters set during factory testing Preferences set by the user e g exposure parameters different than the default ones are not listed The tabl...

Page 221: ... New setting New setting Date Y axis motor offset Rotation axis motor offset Cassette offset Pos 0 Pos 1 Pos 2 Pos 3 Primary collimator offset Pos 4 Ceph status OFF disabled ON enabled Ceph format Ceph rotation offset Ceph Y offset Language English Italian French German Spanish 6mA 7mA 8mA 9mA 10mA 11mA Tubehead pre heating values 12mA ...

Page 222: ......

Page 223: ...Cod 6907910703_Rev 1 0051 VILLA SISTEMI MEDICALI S p a Via Delle Azalee 3 20090 Buccinasco MI ITALY Tel 39 02 48859 1 Fax 39 02 4881844 ...

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