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Service Manual Cranex Novus Dental X-ray Unit

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7. 4 Warning Cleaning eee eect eua 4 1 3 Unauthorized ModifiCatiOris inrer idus nion 4 14 Disainer sommer E EQ e dud 4 1 5 Yearly maintenant Pon 5 OS E E E e nc 9 2 eM EE EEEE Peria a AEREE TEE 10 2 1 The Cranex NOVUS aaa eoa ti 10 2 2 The main parts and assemblies 2 4 0 11 11 FAC NINE CUMMING SI AEN 13 2 4 descriptio REN doen 14 2 5 Electrical description 16 CAFCUIE DOSPES E A E E E EA 16 Power SUD IY siese Re tesa REEE EEEE E E 16 PE 16 CONO dint R 17 Motors motor control 17 EXpos re Rr 18 POSIMON COMO ESTE PR 19 A overview of the Imaging 4 4 4 4 19 2 6 Wiring diagram OVEPViOW s 0 ceeeceeeceeecneneeeneneneseneseteeseeseeseseenees 21 PNE E E m o 22 2 9 Fuse 23 Service manual 200569 V Contents Cranex Novus 3 Circu
8. 109 Nothing happens when the exposure button is pressed 109 Error code H1 Exposure interupted 109 Error codes EQ E1 and E2 ttti desse ette tene uod 110 Enron E 6 Exposure 112 Error E 10 CCD initialization configuration failure 112 E TRE 112 Error E c 113 E ror E 113 4 5 Problems after exposure cpu o ct Ee 113 Error 4 Tubehead os eme Secr 113 Vertical white stripes the 2222 22 4 114 Horizontal white stripes on the image 114 4 6 Bad quality gt mem 115 Incorrect patient positioning s s c cscansrsnciacccensaedpawasseacddaceccecdsuaaaerneccdacceaonantinn 115 A badly NISMO ccc 115 The COD SS t 115 5 Service Assistant and service 5 2 2 116 5 1 Using the Service 116 5 2 The Service comand Siseron E 118 6 Updating the unit firmware and the 127 The unit NR TE EET
9. Membrane Switches on Control Panel at least kV buttons 2 pcs Return Test Mode 1 ROTATION PART 1 i i inputs Outputs CPU Board Rotation Sensor Board cay IN NIOS core on Altera FPGA 32 MB SDRAM 1 Rotation Stepper Motor 5V ROTSW1 JTAG Controller 10 ROT y ROTSWI Rotation Movement Control E ce 1 SIROTSW2 ENA 2 Rotation Stepper Motor CCD S Board ROTS i DL5 01 CCD Sensor Interface TDI CLK ROTA 5 24 5 705 IMAGE TDI CLK 0 5 01 gt HL TXD L IMAGE 0 PPOWER HL VV PPOWER CS 0 gt Display CS 1 gt Control Panel gt RXD SPI Slave Display Control Panel SPI Display Control Spal Pa cs 7 segment disp LSPI y isplay Control Pane cs duo du Mso MOSI SPI DATAIN LOAD LOAD DATAOUT SCLK CLOCK CLOCK shift register 1 uC_ 3 3V BEEP BEEP BEEP BEEP 3 3 Generator Control kV ref PWM 3VA mA_ref 5v 5V l 5VA Tubefail Preh 15VA LINE OK EXPENA 9VA EXPSW 1 Supply Voltage Control 1 REG_OK CCDENA 1 Ethernet 10 100 Base T ENET 10 100 Base T i 2 PC w LAN card EXPOSURE SWITCH ENET4 Other ESTOP ZENA MIRROR I I 1 1 1
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12. 5 m n 10A0 G os zz 9 972 dW31938 gs T LLL kl NI 9n 844 1 GAS Service manual 200569 Cranex Novus 3 Circuit Boards L200 CCD Power Supply fel 15188810 Rea R24 c fells 9 8 2 gu E R36 x Cease TR14 e F3 Whe el c20 c NI J205 g CIR R59 0 5 Re E R51 TR7 R63 R2 S 220 fee GL 05 622 C40 Ri R44 R12 Hd R45 Ri3 R46 C23 C41 24 42 R14 r4 R47 R15 F3 R48 R16 R49 C43 07 D2 D3 Di E E 88 0 022 221 4 v EDEDED EET 96920 D tJ S gl 2 gl o 5 9 ral 9 rzi 9 rel 9 3 RI mM 151870823 Service manual 200569 43 3 Circuit Boards L300 3 Phase Microstepper Driver Cranex Novus 3 3 L300 3 Phase Microstepper Driver Pt no 200397 L300 Location Inside the rotating unit above the head support To ac cess remove the head support lower protective cover and then the left aperture cover see section 7 1 Generator Board L300 3 Phase Microstepper Drive Tubehead CCD Sensor N2500 Rotation Position Sensor Board L300 Field
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17. snivisn CH CAEH CAET EACH Service manual 200569 56 t Boards L400 CPU Board ircui 3 C Cranex Novus 2145 45 0185 645 845 445 945 645 745 45 TdS 145 AHdLANF 719 3N01242 19 AOS Lp OL 75 95 95 T do 48 2198 AH L3N3 1479 E 8 519 92995 OX 06 ws 10 do GE km I e NIVW X12 ana v yn t T 95 ugs 9 C 893N071349 2312 3N01040 DIETO Voli 2 n AOS 40 E 2289 x27 vuos ISTIRO TId 1 95 1n0 Tid 0142 Pub HSV14 10 SSVdAG lt lt ASL ASL AOS AOS 900 900 9001 vol vol 669 462 923 62 4612 012 e AOG AOS 90 9001 1019 8012 V SALT 57 Service manual 200569
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19. Side cover right 4 screws remove front panel to access Lower protective assembly remove head holder ass first Head holder assembly 2 screws 1 nut Lower cover 2 screws Service manual 200569 131 7 Replacing parts Cranex Novus 7 2 Replacing the tubehead Tools required The normal installation and alignment tools Replacement parts New tubehead Tubehead label Screw locking plates 2 Replacing the tubehead 1 Switch the unit off and disconnect it from the main power supply 2 Remove the tubehead cover and the side cover right from the tubehead side of the rotating unit Side cover right Tubehead NM gt 132 Service manual 200569 Cranex Novus 7 Replacing parts 3 Remove the circlip from collimator adjusting screw and then remove the nuts 2 that hold the collimator in position Remove the collimator from the rotating unit Nut Collimator Nut Circlip 4 Disconnect all cables and the ground cable from the tubehead 5 Straighten the screw locking plates and remove the 5 screws that hold the tube head to the rotating unit and the remove the tubehead Screw locking plate 2 screws Screw locking plate 3 screws Tubehead Ground cable Service manual 200569 133 7 Replacing parts 11 Cranex Novus Attach the new tubehead to the rotating unit Secure it in position with the new locking plates and Screws CAUTION Tighten the screws to a m
20. de 5 5 aL E E Tec F 5 mus 5 ie 84 164 zl E EL 24 CL ae UT ae JF IL IL JL 8C ASI iV3H3ld 38V 338A GAN ano Service manual 200569 95 3 Circuit Boards CCD Sensor Cranex Novus 3 10 CCD Sensor Pt no 200412 CCD Location In rotating unit To access remove the head support lower protective cover the left aperture cover and then the EMC shield see section 7 1 Generator Board L300 3 Phase Microstepper Drive Tubehead CCD Sensor N2500 Rotation Position Sensor Board CCD Field replaceable parts None Inside the CCD Sensor there is the CCD Sensor board The board cannot be accessed CCD Description CCD sensor converts X ray radiation to visible light and and then the CCD semiconductor chips measure the intensity of the visible light The analog signal is A D converted and sent in parallel data lines to the CPU board 96 Service manual 200569 Cranex Novus 3 Cir
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24. Cranex Novus 2 Unit Description 2 3 Unit dimensions 2316 mm 92 in 2226 mm 88 in With short column base 950 1750 mm 38 in 69 in 860 1660 mm 34 in 65 in 150 mm 6 in 1070 mm 42 in Service Manual 200569 13 2 Unit Description Cranex Novus 2 4 Mechanical description The unit comprises a column a vertical carriage an upper shelf a rotating unit and a patient support as sembly The column rests on the floor and is fixed to the wall using wall bracket If the unit is used in areas prone to earthquakes the base of the column MUST also be fixed to the floor If the unit needs to be free standing it can be attached to the show stand part no 9802666 The vertical carriage is attached to the column and can slide up and down the column Z movement for unit height adjustment The upper shelf is attached to the top of the vertical carriage The rotating unit which comprises the tubehead and collimator and the CCD sensor assembly is attached to the underside of the upper shelf The rotating unit rotates to take panoramic exposures R movement Vertical carriage Z movement 14 Service Manual 200569 Cranex Novus Frankfort light Midsagittal light Service Manual 200569 2 Unit Description Inside the tubehead there is the x ray tube It is a fixed tungsten anode type with a focal spot of 0 5 mm The maximum anode voltage is 7OkV and maximum
25. Check to see if the power has been cut off CAUSE B Unit not connected to the main power supply SOLUTION B Make sure that the unit is connected to the main power supply Check the condition of the power supply cable If it is damaged replace it CAUSE C The main fuses 2 have blown SOLUTION C Disconnect the main power supply cable from the unit and then replace the main fuses 2 They are located below the main power supply cable at the rear of the column The fuse ratings are 5A 230VAC or 8A 115VAC Case 5mm x 20mm UL approved The on off switch light comes on but the control panel does not light up CAUSE L600 Control panel is not receiving power or is faulty SOLUTION A Check the supply of power to L600 Power is routed to L600 as follows 1 Mains power 230 115VAC is supplied to L100 Z Motor Driver If L100 is receiving power lamp LA1 on L100 will be on If itis not check the cables and connectors between the on off switch and L100 J105 and J106 and replace the cables if they are faulty If the cables are okay replace L100 101 4 Troubleshooting 102 Cranex Novus L100 Z motor driver supplies 230 115VAC to the Generator Board Check that lamp LA1 on the Generator Board is on If it is not check the cable and connectors between L100 and the Generator board X47 and replace the cable if it is faulty If the cable is okay replace the Generator board The Generator bo
26. Description High current selection GND logic Stepper motor clock GND logic Stepper motor direction Stepper motor enabled Supply voltage GND logic Description Supply voltage Supply voltage Emergency stop Position lights enabled Z motor movement enabled NOT USED Return membrane switch side control panel Mirror switch Z movement activity Position light switch Exposure switch GND logic Ready light Exposure light GND logic GND logic 65 3 Circuit Boards L500 Connector Board Pin CAUTION J504 Signal 5 0VD2 ROTSW1 ROTSW2 GND J505 Cranex Novus Description Supply voltage Rotation position optoswitch 1 Rotation position optoswitch 2 GND logic When reconnecting this connector make sure that it is aligned correctly be fore switch the unit on If the connector is misaligned the fuses on L200 may blow when the unit is switched on Pin 17 18 20 21 23 19 20 21 22 23 24 25 26 27 28 29 30 66 Signal GND GND DO D1 D2 D3 D4 D5 HL VV IMAGE_OUT TDICLK_OUT PPOWER_OUT GND DS GND GND GND TXD_OUT RXD RESET_CCD Description GND logic GND logic Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 NOT USED NOT USED HIGH LOW bit Valid video NOT USED Activates A D conversion on CCD sensor board Time Delay Integration CCD sensor s supply voltages on CCD NOT USED GND logic Dat
27. LA1 Orange 310V capacitors charged H1 Green 5V H2 Green 15V Yellow Exposure H4 Red Tube fail H5 Yellow Preheat H6 Green 15V Gen brd Test Points Number Signal Value TP1 34V TP2 5 GND OV TP4 15V TP5 NOT USED TP6 NOT USED TP7 HVGND OV TP8 24 VDD 15V TP10 NOT USED TP11 mAREF 1V 20kV TP12 kVREF 1V 20kV thus 3V 60kV and 3 5V 70kV TP13 NOT USED TP14 kVFB 1V 20kV thus 3V 60kV and 3 5V 70kV TP15 EXPENA on to enable off to disable Service manual 200569 89 3 Circuit Boards Generator Board TP16 IP17 TP18 TP19 TP20 TP21 TP22 TP23 Pin RON Pin in TU Y 90 GND mAFB Tubeheat HVGND HV310 Signal zz X43 X44 Cranex Novus NOT USED OV 2V 7mA NOT USED NOT USED OV 310V Gen brd Connectors Description Secondary transformer winding for 27 Secondary transformer winding for 27 Secondary transformer winding for 27 Secondary transformer winding for 27 Description Secondary transformer winding for 19VAC Secondary transformer winding for 19VAC X45 230VAC Description NOT USED Neutral NOT USED NOT USED Line 230VAC NOT USED X46 115VAC Description NOT USED Neutral Neutral NOT USED Line 115VAC Line 115VAC Service manual 200569 Cranex Novus 3 Circuit Boards Generator Board X47 Pin Signal Descript
28. t Boards L200 CCD Power Supply ircui 3 C up 4 paljosjuog 20 2 4 OY ASL ny la lop 925 EE Po 08 K EN lt 900 O0 Iaa 6 5 942 AOS yen 9 k 300 4 i 8 22 Ur X em EB ica TT V V Al L ASL Ade ASLE 871911 gt ny 623 AOS ZIVABL FE 00 1 sza lt lt d ES Wr 0 5 000 7 4 a 0 01 lt a 888 5001 T viL vN eu 769 zea 995 025 YN zeo sa zu V ven c 0301 t t Bg 1ON9H2 17 929 S19 V s 1QA0 6 dd 1 8077 122 7 0001 m 43 1 a lt 25 OM d aof ae 958 0401 12 89 9975 ecu cial WMdNV 4 Av M 2 10 1 20 Josuas d3lS
29. 0077 tdl UlWMdNv4 C 8 sogr 02 yoann lt 3025 gt dW31938 g sogrt 3 808 tZ 022 QA lt amp sogrt z sogr ZOAO S lt 1 9097 Aiddns 022 0021 07 6061 85 606 21 lt T sc eogrt lt sr eogr 75 606 711712 lt tesog tz Y3MOdd C VN3022 lt 12 608 1 or sog tz lt 67 605 gt 82 6057 121 39VWi lt 7760s T sc eogrt 9 lt Sz s0sr Z 72 505 338 lt 605 21 338 YN lt zz eog 20 9338 lt Toz eogrtt w sc Si sogr Ts 01 195 lt T sce t ISO C3 Si sosrt 1190 gt zi sogrm u val 60 cal oi sogr zal 6 605 tal 8 eogrm 00 605 T sceogt sal T UIAA L 606I Y Qv Ast 2008 fd 0091 Service manual 200569 70 t Boards L500 Connector Board ircui 3 C Cranex Novus
30. 1 Tube Head Board CPU_ 5V Filo Filoz mAfb KVMPWM Fila is kVfb MAPWM Tubeheat CCD Power Supply Board m Preh mAfb Heatc EMEN Tubefail 424V STEP 5V 1 L HV2 v2 LINE OK CCDENA 5VD1 cpu I 1BV rms AC uC_ 3 3V digital 3 3V digital TRANSFORMER 7 5V rms 43V analog 6 2V rms AC 5V analog 15V analog 9 analog mE Senet o gt oo REG OK 1 1 1 AC Motor I 1 Z Motor Driver amp Positioning Lights drives device amp down 1 EMERGENCY SWITCH 1 POSL AC motor control Bs 1 Switches A ZUP 1 0 2001 POSLOUT1 1 I POSLOUT1 o T UPLIMIT POSLOUT24 DOWNLIMIT POSLOUT2 5 Y Layer Light 1 B POSLOUT3 60 down POSLOUT3 rankfort Lig 1 A aon MIRROR_OUT a ESTOP_OUT 1 230V AC L _ 1 i 230 15 VAC IN 330V AC L out 1 Mirror Switch from mains filter 1 1 1 1 1 Z CARRIAGE PART 0 ya i a rr a ca fe ma E E a EE 1 Cranex Novus 22 Service manual 200569 Cranex Novus 2 8 Fuse diagram Main fuses 2 x 5AT 230VAC 2 x 8AT 115VAC Generator Board
31. 3109 gt 9010 oxn aay gt lt sno O gt svi aaay L gt 7 20v vino yny lt q lt _ sino vwv so707ovo 3 L somova V9d4 CAE py 009 lt aay 2 0 lt goav usay 0 gt 171507 vw gt r 1 zoav 2 70 190 2 70 zay V9d4 AC lt t0001 say 2 0 Ol 3 eav H 9n 5 9 on 95 92143 952 9243 96 99143 sig 419 lt 1 zaxmin 01 573 1 onba nvauas Loa Og 0 0199 D 944 A oas lt 001 xu in lt mo wvaias goa wvaas 2 gig Ol zi5 1 gva wvaas 0334 aT xain a 1 Osio 9 Ol zi5 1 zig Ad xain L 33 9 g 5 Opr 1 L4 zij 0 Ol zis 1 71210 zg L oiaw iw og wvyas gt 21119 Ol 7 5 1 ZVIOA lt 21197 VODA anos soin wa wyyas 2 7 9 lt _ 32 Wadd lt gt 20024 Oro ova wvaas Oom Ogg lt NDA gS Tay ofer 13 svo7nvuias gt 50101 01 55 lt 3409 SAL ego 150 gar d 83 085 L2 go
32. CCD PIXEL SIZE 96 microns ACTIVE SENSOR SURFACE 147 5 x 6 1mm Timer EXPOSURE TIMES Normal 9 0 s 415 Child 7 5 s 15 TMJ 1 8 1 8 s 11596 SINGLE LOAD RATING 70 kV 7 mA 9 s panoramic BACK UP TIMER 12 s 415 Leakage technique factors PANORAMIC 70 kV 1200 mAs h 70 kV 7 mA duty cycle 1 20 for example a normal exposure per 3 minutes cool down period Measurement bases The kV is measured by monitoring differentially the current flowing through 450 Mohm 1 feedback resistor connected between the tube anode and ground The mA is measured by monitoring current in the HT return line which equals the tube current Service manual 200569 A 3 Appendix A Technical Information Cranex Novus Collimator PRIMARY SLIT Adult panoramic slit only For child panoramic the exposure time is reduced to give a reduced length image PRIMARY SLIT SIZE 0 7 0 75 x 38 mm Z motor DUTY CYCLE Intermediate use 6 2596 25s ON 400s OFF Environmental data OPERATING Ambient temperature from 10 C to 40 C Relative humidity 10 9096 no condensation STORAGE TRANSPORTATION Ambient temperature from 20 C to 50 C Relative humidity 5 8596 no condensation Atmospheric pressure 500 1080 mbar PC requirements The PC must meet the IEC 60950 standard minimum requirements Windows XP Professional SP1 or SP2 or Windows 2000 Professional SP4 512 MB RAM gt 20 GB
33. Jo sisued eAup eueJquJe VN3Z 1 ejqeue 1577 eui 5 puooes e 1977 OWA 0011 27 Service manual 200569 3 Circuit Board L100 Z Motor Driver Cranex Novus L100 Indicator lamp Lamp Function Indicates LA1 AC indicator lamp 1100 receiving 230 or 115VAC line voltage L100 Indicator LEDs LED Colour Indicates D1 green 5V on D2 green ZAC T movement key pressed D3 green ZON on D4 red ESTOP on Emergency stop button is on L100 Test Points Number Signal Value 1 ESTOP_5V 5V normally 0 0 5V when emergency switch pressed down TP2 ZDIR OV driving up 4 8V 5V driving down TP3 ZON Text wrong 5V Correct value 3V when up down key pressed Otherwise OV TP4 5V 5V TP5 GND OV TP6 ZACT 0 0 5 when up down key pressed otherwise close to 5V L100 Test Switches DANGER HIGH VOLTAGE Take great care when pressing the switches SW1 SW2 SW3 not to touch indicator lamp LA1 which is 230 115VAC Switch Operation SW1 swt SW2 Press simultaneously to drive vertical carriage up SW2 ___ gt 5 2 SW3 Press simultaneously to drive vertical carriage down SW3 28 Service manual 200569 Cranex Novus in TJ L100 Connectors J100 Signal ZUP ZDOWN ZACTIN PLIN RE
34. od gt oiy V nvaos i00 WvSad gt 0 000 nysa gt g ohy LO v vas WvuosC pg Poir 3409 SAL 1 8 01 OlFgy 1 zv nvuos 0 82 1 gol ohy iv nvas nysa 2 70 8302 SAL szoa gg 0l Olt gt nvas 9200 gt 5510 tzoa nysa 7 3 50 Ol zy 1 2 34 Was 200 gol gt act uv31 v9d4 2 34 NH1 A30 30 Aaa 77 nysa 2 0 aNd Ty v sn 53 Service manual 200569 Cranex Novus t Boards L400 CPU Board ircui 3 C 15047 Wvads 6004 Wvads 8200 Mvauas 42004 Mvuas 9200 Mvuas 5200 Mvuas 7200 11891 87 WaziAvuds 76 uec 7 s 75 oeoa Wvuds 66 HA i t 9 2 lt E 57 E44 g oF 8 302 v 5 4 40 821 9v E44 f Eg 9 oF g gzu n 744 V 8ZH 8 ow 0 3 Wvaas lt I 8 03 27Wvuos Wvuas 6 8 wvuas lt 7wveas 9v 5 M on gy wvuas SSA 910 DSSA 144 104 2100 DSSA 600 800 SSA ON HWOG 19 332 ON uv 6v LY 9v SSA aaa v 4 ov ove s f
35. personal injury loss damage or expense directly or indirectly arising from the use of its products No agent distributor or other party is authorized to make any war ranty or other liability on behalf of Soredex with respect to its products 4 Service manual 200569 Cranex Novus 1 General information 1 5 Yearly maintenance The following tests and inspections must be carried out annually by an authorized service person to verify that the device meets the specifications and performance criteria essential for correct and safe operation When taking measurements that require a multimeter always use a digital multimeter DMM kV test WARNING X rays are generated when this test is car ried out PROTECT YOURSELF FROM RADIATION 1 Connect the probe of a DMM to test pin TP14 kVfb and the probe to TP17 GND on the Genera tor board 2 Select service command exp and an exposure time of 2000 ms refer to section 4 Service assistant and service functions in this manual 3 Protect yourself from radiation and take an expo sure Check the feedback values from the DMM The feedback values must be within the tolerances Selected kV kVfb Tolerance V 60 3 0 0 2 2 8 3 2 70 3 5 0 2 3 3 3 7 If the values are not within the tolerances recali brate the Generator board see section 5 2 Service Commands the calib command Service manual 200569 5 1 General Information mA test Cranex N
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37. 2 GND 2 TPO 3 1 3 1 SWITCH 3 62409 1 a CS 1 TEST 1103 4 e 1 MODU 1x2M 5 6 TPl E 2 GND 2 RETURNI 280370 2 6 mi 7 rea 3 kV ZDOWN 11 ZBOTTOM 8 i 1115 5 MOSI 4 PATIENT_SIZE MICRO GND AMP FASTON TAB CONTACT 6 GND 5 TMJ J104 apr 8 GND 6 GND MEMBRANE _ amp AMP MODU 1x8M 1 9 BEEP 280612 1 2 2 10 5V SWITCHES 11 READYLIGHT 7 segment display 1 ACITRA4OUT J110 12 GND 2 AMP MODU II 1x2M 13 DIG4 3 ACITREOUT 280370 2 1109 o 1108 14 GND AME MODUN 1 MODU II 1x2M 15 5 5 lh 5 29 2 ACUTRSOUT ESTOP 280370 2 16 RETURN2 PaloDEx Group Oy 7 1 ESTOP 5V 1 ESTOP 5V 12 8 2 POSLOUTI 2 POSLOUT2 ETHERNET Cranex Novus Wiring Diagram v1 1 17 03 2008 AC MOTOR EMERGENCY SWITCH LASER 1 LASER 2 Service manual 200569 21 1 General Information 2 7 Block diagram
38. 21 FATOS _____ Z Haud tz1 71 104 11 1087 121057 alas gt 84Ax 21 106 4 104 o 9 106 WMd Z 106 VN3dX3 Z i0sr 9 gt Jv 43801 11 10j048U89 06094 gt 1V3H3801 2 4 gt MSLO C11 18510801 jou 2N 41 05 805 67 8067 211 ASdX3 8 805 1 805 1 519 97 805 5 806 77 8057 u 243801 CO gt 7 gocrmm 59 4 804 2 12 2 17 806 gc g grt 05 gt 5 545108 gt scoop EL 1 5108 806 2 806r 12 8051 WMdNV34 1 0 lt 806 19 lt 1 82 80 lt 2 0997 13533 lt 1 77 909 C ON sz gosr vc gogrt 2 806 2 806 rmm 10 806 02 80 lt V 61 806 TAG ays A 31 805 1 804 91 805 61 8057 71 805 fI 80sr 21 80867 _ 21 1007 84A3 014 8067 6 gocr ON 100 gt 8 808 18057 t2 30381 gt 3 855 ggo 305 _ c gogr tZ 1v3H38n1 gt 505 oN 40128uu0 2008
39. 7 mA 1 0s FILTRATION inherent filtration minimum 0 8 mm Al at 50 kV IEC 60522 1999 additional filtration 1 5 mm AI patient support attenuation equivalent less than 0 2 mm Al total fltration 2 5 mm AI at 70 kV BEAM QUALITY HVL over 2 0 mm Al at 70 kV PRIMARY PROTECTIVE SHIELDING minimum 0 5 mm Pb or equivalent OUTER SHELL TEMPERATURE 509 122 F maximum DUTY CYCLE controlled by the software of the unit Power requirements INPUT VOLTAGE 115 230 VAC 410 50 60 Hz single phase grounded socket LINE CURRENT 115 VAC long term 1 6 A cont at 70 kV 7 mA 115 VAC mains momentary 8 A at 70 kV 7 mA 115 VAC mains 230 VAC long term 1 A cont at 70 kV 7 mA 230 VAC mains momentary 5 A at 70 kV 7 mA 230 VAC mains MAXIMUM LINE RESISTANCE 1 ohm MAXIMUM LINE FUSING 10A 16A slow at 230 115 VAC main fuse 5 A 8 A slow in the device LINE SAFETY SWITCH when required Approved type min 10 A 250 VAC EARTH LEAKAGE CIRCUIT BREAKER when required Approved type min 16 A 250 VAC breaker activation leakage current in accordance with local regulations A 2 Service manual 200569 Cranex Novus Appendix A Technical Information Mechanical parameters PANORAMIC Source to Image layer Distance SID 500 mm 10 mm Magnification factor 1 25 WEIGHT 100 kg DIMENSIONS H x W x D 2316 x 835 x 1070 mm VERTICAL HEIGHT OF CHIN REST 950 1750 mm 10 mm Digital image receptor
40. 810H 93 Service manual 200569 anand gt 2 gt T2iZ HS IN 1 2 L sn m z 1H9Il NINYYM 3NDSOdX3 VNH3LX3 NOJ LOVINOD NidO BUS T AL x t gb 28 tvi TZIZ HS 1 gL IeX a usn 5 SIE SUS 2 Em ls j 9102 Se 3 oxi Sto ste 8 182 8 5 8 2 1008 FTE 8 veg 5 5 5 Y EES 8 oso sad z g 5 512 ados 7 anol 2 STS z Me 4 g se qr 5 p Tuy viro NGL 291 zya Y Y OL pz 9 wg dl 8 07 ous ivx 092 1 1 0 yix 192 6 5 s zone Sx T s on iex T I 1 ae ueri SA8 eS 28 5 2 2 lt yx EM E E anoa 5 g 247 CSU ENNCOTE 4 sie ste 21 5 sex OWA LZ 1008 ST Se A09 vSg l 8 n 3 81 5 _ g Bude 250 1 857 z SL Tees E ER nda S Jo u 1205 1 59 t on g 1 nose STN i 04 e
41. NOS 5e 15 vis o 3 T zo _ 9001 Aos ze oq Y 8181 YN3022 900 Agi noi _ 1 gt INT w 425 L 0327 Ae lt 3 9 02 up 8 29 529801 7 Br pa El dW31938 TOV 691 alal 2100 e E avi gt eeror 099 GAT CV tne 599801 uaasg Ela Z Y07r El B a0 p 907 nos zo za agi nor_ _ 4001 AOS OLLJBAW 5 e PR I 900 Agi not Wo PERT arg 1 288 Lzy S l 0 2 T S a 207 aos Agi noi ooj don i 1 ay ay 300 A9i noi 1 4 po hino D iK iK mt 229 uro note 0297 0 U 120 zza E 7052980191 SE 62 n TOV LaL Q i ZaAo s avi NI 4 1no 93 1050980111 9i n0i m m BM Er ws EE EE e 90 agi nor_ YOO aes N 99983 a 00 9 0 1 BERT Neg PII N L Cl bl 90 Sz ws EB 4 EE Eid 3 uaaig 110 7 L u g a Hv i OOLL L 0297408 CA B EU 0 T z S22 t 0 55980191 pts 21007 7 z ino 610 m e 4 4 Ag o c 1027 701057 7 ONSET 1110 5298011 2008 oi cdi ran o 08 8 42 Cranex Novus
42. S 22 F d 59 az m T Tt alle Fi Tor Li Lada edi TU oroj ono 584 uu x A v oor x D 19 2 yaaa ws T Ew x PT 5 Tu NE ox 89911 ake 0 90108 pens TLS 5 5 YO szoy T ze ove ie mal Gyr eee es gener Una al a L osx TAN 135019 N3d0 L ud gin ai 41 dmova w D p 4 I Sean mm oxor Service manual 200569 92 3 Circuit Boards Generator Board Cranex Novus ee 4 lt ul 4 een Ne on 59 aza 89 3 8031 3 E A exe agit nx 08 8 08X 4 08 quus 0 9001 mI
43. and press Enter to quit the s2terminal program Restart the unit to make sure that it functions cor rectly 129 6 Updating the firmware and the core Cranex Novus 6 2 Updating the core 130 It is not necessary to systematically upgrade the core in all Novus units unless Soredex Technical Service requests it Core upgrading is done using s2terminal program Core cannot be updated with the DfW Service Assistant 1 Make sure that Digora for Windows or the dental imaging program being used is closed Copy the core file to the same dedicated folder as the s2terminal files 2 Start the s2terminal program using the IP address of the unit Type lt s2terminal 194 9 227 251 gt starts the s2terminal for a unit with the IP 194 9 227 251 3 Enter xh and press Enter to display the help menu 4 Enter lt xcXX gt where XX is the version number in the core filename and press Enter to start the firmware upgrade For example if the core filename is novuscore26 pof the command will be lt xc26 gt 5 Restart the unit to make sure that it functions correctly and check that the Core version XX output has changed to the new version the new core automatiaclly loads at startup Service manual 200569 Cranex Novus 7 Replacing parts 7 Replacing parts 7 1 Removing covers A Top cover plate 2 screws i ed front panel first Side cover left 5 screws remove front panel to access
44. between 4 5V and 5 5V 97 3 Circuit Boards CCD Sensor Cranex Novus 3 Yellow 15V 3V and LED L200 generates 15V from 24V 3V from 8V_ANA 9V from the DC voltage of the 9VAC rectifier bridge 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 Another required voltage is uC 3 3V It is used to power the microcontroller CCD TxD and CCD RxD Yellow Serial communication In normal operation they flash intermittently They indicate communication activity If CCD RxD is off passive CCD sensor CCD TxD will also be off NOTE 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 CCD Status 3 color It indicates that the CCD is connected all the software image 98 has been downloaded and it is ready to take an Green Stand by mode Yellow Image capture mode power on Red In position but not yet ready SW is being loaded Red flashing Fatal SW error communication routine failure after an image has been taken If this happens switch the unit off for 10 seconds and then switch the unit on again Service manual 200569 Cranex Novus 4 Troubleshooting 4 Troubleshooting 4 1 Initial checks Restarting the unit Error Codes If the unit fails to operate fails to
45. down the exposure button The actual mAfb and kVfb ADC values will appear on the display next to target values If the actual values differ by less that 2096 from the target values the tubehead is working correctly Service manual 200569 Cranex Novus Service manual 200569 4 Troubleshooting If the actual values differ by more than 20 from the target values it indicates that there is a problem and the tubehead must be recalibrated From the Service Assistant select calib and calibrate the tubehead After recalibrating the tubehead check if the calibration was successful If the calibration is successful select the exp function again and confirm that the mA and kV feedback signals are correct If the calibration was unsuccessful and the unit still does not work correctly check the hardware Hardware check Remove the cables from the tubehead side of the rotating unit Check the cables between the Tubehead and the Generator board Replace them if they are faulty and then recalibrate calib the tubehead If recalibration is not sucessful measure the feedback signals from the Generator board From the Service Assistant select exp Connect a DMM to the TP 14 kVfb and 17 GND the Generator board and take an expose Then connect the DMM to TP18 mAfb and TP17 GND and take another exposure The values for feedback signals should be as follows kVfb 60kV 3 0 V 0 2 V 2 8 3 2 kVfb 70
46. svaf svof od 100 DSSA 900 soa 200 OSSA 200 100 sn 4 uoi uoi uoi a 5 t Act g 8 5 Ag AQL 001 001 5 8 5 69 62 2 Wezinvaas n gie yc 554 ao 12 a 61007 Was 56 900 5 Wvuds 75 OSSA ZY NYHUS 1 gt 5 062 15 104 8 2 01 OV NVHOS S Wvads 7 gg 5109 OVW ez OV WYSUS 44 OV NVEOS gy 07 WYHUS z vas SEE Hyer 2100 iva 0 sS s oval gz 61 CL o7so7nvuas 8 SSA Sof Far or so wrues 1 sva nvas olog Wvaas riz Herjo sva nvuas ha svo Wvsas 604 Wv3as z 202 Ty 600 5 lt sva wvuas rar 000A was gba Wvaas TEE Eg y 800 sagt
47. the exposure CAUSE B The exposure button failed while it was being pressed during an exposure SOLUTION B Take a test exposure to see if the same error code appears again If it does replace the exposure button 109 4 Troubleshooting Cranex Novus Error codes EO E1 and E2 110 NOTE Error codes EO E1 E2 all indicate that the tubhead and or Generator board are not functioning correctly E 0 Tube arcing CAUSE Tube arcing NOTE Check the tube fail LED red in the upper right corner of the Generator board If it is on it indicates that the tube is arcing E 1 tubehead voltage CAUSE Tubehead voltage kV too high or too low E 2 tubehead current CAUSE Tubehead current mA too high or too low SOLUTION First use the Service Assistant to check the mA and kV feedback signals from the tubehead to see if the tube voltage and current are correct Software Check To do this open the Service Assistant Alt Ctrl shift T and select the exp service function Refere to Service Assistant and Service functions in section 5 The values for feedback signals should be as follows kVfb 60kV 3 0 V 0 2 V 2 8 3 2 kVfb 70kV 3 5 V 0 2 V 3 3 3 7 mAfb 7mA 2 0 V 0 2 V 1 8 2 2 Select an exposure time of 2000 ms 2 seconds or greater so that the mAfb and kVfb ADC values can be measured CAUTION Protect yourself from radiation when carrying out this procedure Press and hold
48. to protect people who may touch the unit from electric shock This device should be used only in areas that are pro vided with a protective earth connection to ensure an equipotential ground connection 2 Service manual 200569 Cranex Novus 1 General information 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 guidelines below Leave all new or replacement circuit boards and elec trical parts in their protective packaging until the boards are needed Before handling circuit boards and electrical parts make sure that any static electricity charge that has built up in you body is discharged When examining and checking circuit boards use an antistatic 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 When handling circuit boards hold them by their edges and do not touch any components or connectors If an antistatic mat is used connect the wrist wrap to the mat a
49. transmitters and the CRA 1 as recommended below according to the maximum output power of the communications equipment Rated maximum output power of transmitter W Separation distance according to frequency of transmitter m 150 kHz to 80 MHz dz12XP 80 MHz to 800 MHz d2124P 800 MHz to 2 5 GHz d 2234 P 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people Service manual 200569 A 15
50. 00 CPU Board UC J2 28 H S S E R71 C42 C43 C45 g R72 C44 C53 C54 C55 2725 C58 59 eese Oo RI e 5 C L14 R47 R48 9 94 0 Service manual 200569 61 3 Circuit Boards L400 CPU Board Cranex Novus xab9102 6005 NI 8 2 eM Cato Corer seo en n uo we sero re C sero C4 ter 62 Service manual 200569 Cranex Novus 3 Circuit Boards L500 Connector Board 3 5 L500 Connector Board Pt no 200399 L500 Location In rotating unit on the the CCD sensor side To access remove side cover left and the EMC shield see section 7 1 L100 Z Motor Driver L700 Interface Board Behind the unit L500 Field replaceable parts None Service manual 200569 63 3 Circuit Boards L500 Connector Board Cranex Novus L500 Description L500 routes most of the signals to the other boards L500 receives signals from the tubehead kVfb mafb and tubeheat and scales the voltage swing 0 5V linearly to 1 25V 3 75 V which is the input for the A D converter on the CPU board L500 also includes external warning and ready light circuitry The ESTOP signal enables s
51. 00 Connector Board Description AD converter s supply voltage GND logic Valid video GND logic Data strobe GND logic Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 NOT USED GND logic SPI signal GND logic SPI clock GND logic Chip select GND logic Beeper control Reference current Reference voltage Preheat Exposure on GND logic Activates A D conversion on CCD sensor Regulator temperature Time Delay Integration clock Transmit data serial connection Activates CCD the supply voltages CCD sensor s supply voltages Stepper motor clock GND logic Stepper motor direction GND logic Stepper motor enable GND logic AD converter s supply voltage GND logic 69 Cranex Novus t Boards L500 Connector Board ircui 3 C ELI 9001 ZQN9H2 9 9001 09 5061 68 606 SSS 8 lt lt 04 lt mm 1 lt 504 m Ee Sr sogr tZ 11 0297 QA ON 606 1307 WO 1 r sogr 1 ZGAO S lt N oc s si N ez c gi 9N gz cogrt _ N 2 099 13533 5 sz sogr 21 1007 0X1 gt 2 504 ON zz cogrt 12 606 m 02 5097 SaL eoar 81 6057 N tz aMOdd O
52. 00 and L500 has been disconnected or is damaged or that L600 is faulty SOLUTION A Reconnect or replace the cable that connects L600 J601 and L500 J507 If the control panel LEDs do not come on replace L600 The control panel indicator and alphanumeric LEDs do not come on when they should CAUSE A L600 Control panel is faulty SOLUTIONA Replace L600 The control panel Return key does not work CAUSE A The emergency switch has been pressed down NOTE LED D4 ESTOP on on L100 will come on when the emergency switch is pressed down SOLUTION A Turn the emergency switch clockwise to release it CAUSE B The Membrane key panel side or main is faulty SOLUTION B Press some of the other keys to see if they work correctly If they do it indicates that the return mem brane key is faulty and the membrane key panel must be replaced 104 Service manual 200569 Cranex Novus 4 Troubleshooting Error E 7 Positioning error CAUSE N2500 or L300 or rotating unit stepper motor is faulty The rotating unit cannot position itself correctly and keeps on rotating until the timeout E 9 stops movement because N2500 is faulty The rotating unit does not move when the R key is pressed SOLUTION N2500 can be checked by using the service command optotest see section Service Assistant and Service Functions The optotest command displays values that indicate the position of N2500 When you manually rotate the rotati
53. 01 Error E 5 Line voltage tolerance ao Eaton duit 103 Error E 16 Exposure switch or control panel ennt 103 Error E 20 Flash check 103 4 3 Problems while preparing the unit for an 104 None of the control panel indicator nor alphanumeric LEDs come on Error E 18 on service assistant 104 The control panel indicator and alphanumeric LEDs do not come on when they should 2 104 The control panel Return key does not 4 104 Error E 7 P OSiOninG ITO 105 Error E 9 Rotating motor timeout issue orn Rte 105 Rotating unit stop rotating no error 2 105 Patient positioning light s do not come 106 One of lights does not come DEL 2 bn matt rac ossa arid 106 None of the lights come 2 22121 42424440440 000 000000000 00000000000 106 Up down Z motor Keys do not work 107 Error 108 VI Service manual 200569 Cranex Novus Contents 4 4 Problems during
54. 0569 Cranex Novus Appendix A Technical Information A 2 Unit dimensions 91 2 in 950 1750 mm 27 in 80 in Service manual 200569 A 9 Appendix A Technical Information Cranex Novus A 3 Symbols that appear on the unit AN Radiation warning 4 Dangerous voltage On or enabled O Off or disabled Unlocked exposure switch Locked exposure switch oil Exposure switch Connector for Ethernet RJ45 c Connector for exposure switch gt Connector for external exposure light N Attention consult accompanying documents A 10 Service manual 200569 Cranex Novus Appendix A Technical Information 28 Ground Functional Protective ground CLASS 1 LASER PRODUCT aser class label Patient positioning lights EN 60 825 1 A2 2001 and must be collected separately Please contact an authorized representative of the manufacturer for information concerning the decommissioning of your equipment This symbol indicates that the waste of electrical and electronic equipment must not be disposed as unsorted municipal waste Type B equipment C CE 0537 symbol MDD 93 42 EEC 0537 NTERTE ETL Classification US CH01 Service manual 200569 A 11 Appendix A Technical Information Cranex Novus A 4 Electromagnetic declaration Guidance and manufacturer s declaration electromagnetic emissions The CRA 1 is inten
55. 1 d 521 td 2 V 6740163 AA 300 Bey 4 duoi jowopu Ov esr LL zov si nno 1010901 wd m uozz 5 E E mmm 825 2 7 04158 5 ag DASI LV uu 065 oA0g2 LV 2 MEM low i 9 2 88 EMS ZMS YO Ela MS IMS 1 55249 310N Ed aiqoue 5 dm 9 V MO 295 5906471 j EP M20 INS E 51 I7 8 E 7 0832 3 5 EMS edL 7 71 xz 1 9 0iv1g f cul Jojow uid 1 3 T ER 104120402 uid Kee PT 128 40199UU02 JO OW 15598 7 yma lt la a D yaz 198 3 _ 3 ZA 8 yoir in 5905971 YZEL NIYI 9 50 LEN Eg 6740153 9 0 IMS z ayia EU 4 _ E pyl ror 9 T 12 9 90153 33 Service manual 200569 Cranex Novus 3 Circuit Board L100 Z Motor Driver 7 LN zi gt gt 5 61 NIN 7 6017 E Cs 822 voir 1 2 158 Service manual 200569 34 Cranex Novus 3 Circuit Boards L200 CCD Power Supply 3 2 L200 CCD Power Supply Pt no 200396 L200 Location In the rotating unit on the the CCD sensor side To access remove side cover left and the EMC shield see section 7 1 L100 Z Motor Driver L600 Contro
56. 127 6 2 Updating the OB neta 130 7 Replacing 131 PRIMUS ccs 131 7 2 Replacing the tubehead 2 22 2 4 132 Appendix A Technical 21 1 Service manual 200569 VII Contents Cranex Novus VIII Service manual 200569 Cranex Novus 1 General information 1 General Information 1 1 Introduction This manual describes how to service all versions of the Cranex Novus and OEM versions of the Cranex Novus 1 1 Associated documentation The Cranex Novus User s manual The Cranex Novus Installation manual The Cranex Novus Spare parts manual 1 2 Service precautions and warnings Servicing precautions Only service personnel trained and approved by Soredex are allowed to service the Cranex Novus Before attempting to service the device make sure that you know how to operate it Read the Cranex Novus User s Manual Read and familiarize yourself with the warnings and precautions listed in the Cranex Novus User s Manual Only use original Soredex spare parts when repairing the device or replacing parts The device is factory set to operate using either a 230VAC power supply or a 115VAC power supply Never connect the device to a power supply different to the voltage marked on the device Warning Radiation Safety Before servicing the device familiarize yourself with local and na
57. 27 251 If the IP address is correct and the s2terminal program is able to connect to the unit the terminal output will appear as follows C Novus gt s2terminal 194 9 227 251 S2Terminal v1 1 or above Configuring scanners done Login fail no connection Login fail no connection NOTE It is normal for the Login fail message to appear several times Software version X XX Core version XX Serial number VXXXXXX Type lt xh gt into the command prompt and press Enter to see the instructions for the command syntax Service manual 200569 Cranex Novus Service manual 200569 10 11 12 6 Updating the firmware and the Type lt xs gt and press Enter to start upgrading the firmware When the upgrade is successful the following output will appear xs Transferring program Waiting for flashing Status command transfer error Login fail no connection Login fail no connection NOTE It is normal for the Login fail message to appear several times Software version X XXX Core version XX Serial number VXXXXXX Type lt s gt and press Enter and the unit will enter the service mode The following information will be seen Novus vX XXX gt s Where v X XXX is the new firmware version Service gt Enter lt help gt and press Enter to display the valid commands Enter lt quit gt and press Enter to exit the service mode Enter lt xq gt
58. 569 87 3 Circuit Boards Generator Board Cranex Novus 3 9 Generator Board Pt no 200404 DANGER HIGH VOLTAGE WARNING Do not touch the Generator Board until the capacitors have discharged After switching the unit off wait 10 minutes for the capacitors to discharge When lamp 1 goes out the capacitors are discharged Gen brd Location In rotating unit on the the tubehead side To access remove the side cover right see section 7 1 Generator Board L300 3 Phase Microstepper Drive v LN Tubehead CCD Sensor N2500 Rotation Position Sensor Board Gen brd Field replaceable parts Fuse FH1 1amp 230VAC or 1 6amp 115VAC 88 Service manual 200569 Cranex Novus 3 Circuit Boards Generator Board Gen brd Description The Generator board receives kV and mA reference signals from L400 as digital values Based on the kV reference value the Generator board generates the corresponding high voltage between the cathode and anode of the x ray tube Based on milliampere refer ence value the generator board generates preheat cur rent to warm up the filament before x rays are switched on and filament current during exposure The Gen erator board receives kV and mA feedback signals from the tubehead that are used to monitor and adjust the generated values The Generator board produces its own supply voltages Gen brd Indicator lights LED Colour Indicates
59. 6 SSA aaa gt E qe ON 108 5 s 0 0 08 E k a E SSA n 9 E E C 19 90 zee 0327 nvuos lt 3492 sod 8 Denet ZIYTNYXOS N m 8 91300 Wvads uv vod Z oe Hvuas 6v goa a 8v Yos DSSA 4 81 800 wvuas LY 7 T ov nvuds ov Log 5 bee 5 Gv nvuos sv Daon 2 vv nvuos w T SSA in lt wod 5 Wvaas WY3OS lt e o1wod Wvaas 0104 Service manual 200569 54 t Boards L400 CPU Board ircui 3 C 6872 eau va 4 6372 Ts 340H2 WO diy ajqijodwoo aq ysnw spod 20151592 55 Cranex Novus 5 S gt N gt Hlenc z E 2229222 Y v0Ocl 9 L nN WER GO GDA Ls WEM Odd 71915 5 7 N 041 dl Bus EB Ms 86 25 o 8 1337 2081 N3 XLI XL
60. 8 508 Signal TUBEHEAT_OUT LINEOK MAFB_OUT KVFB OUT GND logic logic logic GND logic GND logic GND logic GND logic logic GND logic 5V_AD 5V_AD 5V_AD 5 AD 5 AD ZENA RESET CCD PL ENA HICUR FANPWM ROTSW1 ROTSW2 RXD MISO ZACT MIRRORSW TUBEFAIL PLSW Cranex Novus Description NOT USED Tube head temperature NOT USED NOT USED NOT USED Line voltage level NOT USED mA feedback NOT USED kV feedback NOT USED Ground Ground Ground Ground Ground Ground Ground Ground A D converter s supply voltage A D converter s supply voltage A D converter s supply voltage A D converter s supply voltage A D converter s supply voltage NOT USED Z motor movement enabled CCD sensor s reset Position lights enabled High current selection Fan control NOT USED NOT USED NOT USED Rotation switch 1 Rotation switch 2 Receive data serial connection SPI signal Z movement activity Mirror switch X ray tube failure Position light switch High Low bit Position light switch High Low bit Exposure switch NOT USED GND logic Service manual 200569 Cranex Novus 5 0 509 Signal 5V_AD GND VV GND DS GND DO D1 D2 D3 D4 D5 GND MOSI GND SCLK GND 65 GND BEEP MA_REF KV_REF PREH EXPON GND IMAGE REGTEMP TDICLK TXD CCDENA PPOWER CLK 1 GND DIR GND ENA 1 GND 5 AD GND Service manual 200569 3 Circuit Boards L5
61. 9 Cranex Novus confccd dap dapshow dc endu exp help ip kv log logsign mac optotest patt prog quit reset restore restgen serno status still warmup 5 Service Assistant and Service Functions A list of functions will appear DESCRIPTION available also in normal mode calibrates generator references and preheat display summary of configuration data display summary of CCD configuration data set dose area product lt value gt setting to show the DAP after exposure or not 1 2 takes dark current image endurance test drives rotating unit 75 rounds exposure lt time gt in milliseconds default is 1000 exposure counter use lt clear gt option to clear it display info on command help cmq or h cmd configure ip address set default kV lt 60 gt lt 70 gt service log lt all gt lt clear gt lt newest gt lt statistics gt make a service signature for current events print mac address prints optosensor values for 30 seconds generates test pattern from CCD module set default program lt pan gt lt ped gt lt tmj gt lt test gt and overrides kV and set it back to default quit service terminal software reset restore factory configuration restore generator default values configure serial number and MAC accordingly retrieves status and updates clock still image exposure tubehead warmup before first use 5 select a function key the fu
62. B 6 GND 9 12 CND MOS 3 13 READYLT clk 10 14 EXPLT GND 15 GND 12 GND 16 GND CD 13 GND L 230 115 VAC 15 GND MA_REF 1 1507 Ent 17 GND 230 115 VAC RIBBON CABLE EXPON 18 GND SIDE CONTROL 1 GND 19 GND PANEL 2 GND IMAGE 20 45V A SWITCHES L100 Z MOTOR DRIVER 200395 2 COND Aic OK 22 5v 5 1506 TXD 23 45V TD Ge nee AMP MODY II 1x8M PPOWER 26 FSV 1100 1105 MODU II 2 8 8 GND CLK 26 ZENA ___ MODU 1x6M AMP FASTON TAB CONTACT MODU II 1x6M 280385 2 8 1 45 0VD2 GND 57 RESET OCD 62409 1 280372 2 10 45 0VD2 2 GND DIR 28 PL ENA 280372 2 ME 11 READYLT 3 3 3VD_CCD GND 29 HICUR 1 ZUP 1 AC 1 EXPSW 12 GND 4 GND 7 ENA 30 FAN_PWM SM ence 2 READYET 13 0163 5 REGTEMP GND 31 oum 2 14 6 33 OUT3 4 PLIN 1106 5 15 5 0VD2 7 GND Sa DIS 5 5 6 GND 16 RETURN2 8 35 ROTSW2 6 GND 62409 1 36 RXD 1101 1 AC2 37 MISO MODU II 1 2 2 2 280370 2 MICRO gt ew 5 GND 41 ZACT 13 READYLT 42 MIRRORSW SWITCH Vids j2 14 EXPLT L600 CONTROL PANEL 200400 Be 4e MIRROR EN MOLEX RJ 45 x MODU 1x2M es 53 195052 2887 16 GND 1601 1602 280371 2 950552837 RIBBON CABLE CONNECTOR II 1x6M 90 280370 2 1 ON 280379 2 ait THO 20 1 ZTOP 1 TPO 2 1114 Yamaichi FAP 16 08 2 2 Oaf on MICRO _ FASTON TAB CONTACT
63. D REGTEMP CCDENA U_IN FANPWM J205 Signal 18 VAC 9 VAC 8 VAC J206 Signal 24 STEP GND J207 J208 Signal FAN GND Service manual 200569 3 Circuit Boards L200 CCD Power Supply Description GND logic Continuous supply voltage CCD Supply voltage CCD Supply voltage CCD Supply voltage CCD Supply voltage CCD Description Supply voltage logic GND logic Continuous supply voltage CCD Regulator temperature CCD sensor supply voltage 5V when active Line voltage peak level detection Temperature controlled fan Description Transformer secondary voltage Transformer secondary voltage Transformer secondary voltage Description Supply voltage stepper motors GND logic Description Supply voltage temperature controlled fan GND logic 39 Cranex Novus t Boards L200 CCD Power Supply ircui 3 C lo spo Be EN 121 121 00 0055 m YN3099 sesodund _ 40 uo skomijo suanod 5
64. ED D4 ESTOP on on L100 will come on when the emergency switch is pressed down SOLUTION A Turn the emergency switch clockwise to release it CAUSE B Z motor not receiving power SOLUTION B Check to see if lamp LA1 and LED D1 on L100 are on If they are not then check fuse F1 Replace if blown If after replacing fuse F1 lamp LA1 comes on but LED D1 still does not come on replace L200 If LA1 and D1 are on check the cable from L100 J104 to the Z motor Replace if faulty If the cable is not faulty measure the AC voltage from the Z motor connector on L100 to the Z motor Press the UP DOWN key and check that there is an AC voltage Note that you need to connect the DMM differently when running the unit in the Up direction and in the Down direction If no voltage can be measured replace the Z motor CAUSE C The side control panel up down keys has failed SOLUTION C If D2 and D3 on L100 do not come on when the up down keys are pressed it indictes that the side control panel or the cable from the control panel are faulty and must be replaced 107 4 Troubleshooting Cranex Novus CAUSE D Unlikely The Z movement end microswitch top or bottom has failed and the mechanical Z movement end stops have stopped the Z carriage SOLUTION D Check to see if D3 on L100 is on If on it indicates that the top or bottom Z movement end microswitch has not been activated Drive the vertical carriage away from the mech
65. FI 1AT 230VAC 1 6AT 115VAC TRANSFORMER L200 CCD Power Supply F1 5AT L200 CCD Power Supply F2 2AT L200 CCD Power Supply F3 1AT L200 CCD Power Supply F4 1AT L200 CCD Power Supply F5 1AT L200 CCD Power Supply F6 1AT L200 CCD Power Supply F7 1AT L100 Z motor Drive F1 2AT 230VAC 4AT 115VAC J206 J207 J202 J202 J202 J201 J204 J204 J301 X191 X191 X191 J205 J506 J506 L200 8V ana for CCD 8V digi for CPU L300 24 STEP Temperature controlled fan 24V L200 15V_CCD GOD 9V_CCD CCD 5V_CCD L400 CPU 4504 L500 Connector board 5 0 02 4502 L500 3 3VD_CCD Z MOTOR J507 J503 J505 1 General information N2500 Rot Pos Sensor 5 0VD2 L600 Control Panel 5 0VD2 L100 Z motor Drive 5 0VD2 L300 Microstepper Drive 5 0VD2 X190 CCD 3 3VD_CCD J2501 J601 J116 J301 CRANEX Novus fuse guide Service manual 200569 23 1 General Information Cranex Novus 24 Service manual 200569 Cranex Novus 3 Circuit Boards L100 Z Motor Driver 3 Circuit Boards NOTE An asterisk after a signal name indicates an active low level signal 3 1 L100 Z Motor Driver Pt no 200395 L100 Location On the upper shelf To access remove front panel and then top cover plate see section 7 1 L100 Z Motor Driver L600 Control Panel L700 Interface B
66. HDD 32 MB Video RAM Pentium 4 or equivalent One Ethernet 10 100 Mbit s NIC 19 CRT or 17 TFT LCD min resolution 1024 x 768 pixels with DfW System requirements and connections The PC and any other external device s connected to the system must meet the IEC 60950 standard minimum requirements Devices that do not meet the IEC 60950 standard must not be connected to the system as they may pose a threat to operational safety The PC and any other external devices must be connected in accordance with IEC 60601 1 1 The x ray unit must be connected to it s own separate power supply The PC and any other external devices must NOT be connected to the same power supply as the x ray unit A 4 Service manual 200569 Cranex Novus Appendix A Technical Information Position the PC and any other external device at least 1 5 m 60 from the x ray unit so that the patient cannot touch the PC or any other external device while being x rayed The PC and any other external devices shall not be connected to an extension cable Multiple extension cables shall not be used Do not position the PC where it could be splashed with liquids Clean the PC in accordance with the manufacturer s instructions X ray system to IEC 60601 1 1 1 85m 73 Ethernet 35555 69595 SS 4 230 115 VAC 230 115 VAC Tube housing assembly cooling he
67. Hdl3N3 120201 AHdL3N3 19 3N01242 12 138387 WHE lt lt 135347 MH avo xav LJ avano xay SOIN 3801042712 Service manual 200569 52 t Boards L400 CPU Board ircui 3 C Cranex Novus 152144 T e Ae 44 7994 asaj vods xoa Opn vivoj 5 viva asy gt 05 SONEL n 982 99143 982 9913 982 9943 7 089 Ol sig on ola V9d4 A 01994 Ol si on ola arx in Ogm lt oxn in ola 2 0 lt L799 OF vods Cast lt ZN oia 2 2 caxi iin 2 9 1100 Capo Ola aw gt zuno od onoo aso a alas v1no7oia 7 eino7ola s1no7oia ig Tm BYOO SAL lt 1NI09A ohr 8100 018 ohw ow YODA gt V9d4 fact gr Ol sg 3 nood an Ol gg 6110 Old gin713s70i gg ior gs 3802 6AL 1NI09 nood dicas za ohy o ods nood 7 50 snood Zn0 oid Cpg ol Ol gio onah
68. LAMENT VOLTAGE 8 GND SA KOTEW T 1 cS OVD2 3 GND 8 702 1706 35 ROTSW2 3 3 uC 3 3V 3 3 3VD_CCD J 36 RXD 3 3VD_CCD G 2 GND a B 1x2M RJ 45 37 MISO GND ND 1207 280370 2 Molex 95009 2881 ND GND 5 REGTEMP DU 1x2M 38 GND AMP MO 1 39 GND 6 CCDENA 280370 2 2 EXPSwiock 2 40 CNB GND 7 LINEOK U IN TPO 40 8 FANPWM 1 ME 703 42 MIRRORSW 5 N2500 ROTATION POSITION SENSOR 42 MIRRORS 2 Molex 95009 2661 TP1 12501 1504 44 _ FAN p Db gave ETHERNET AMP MODY II B 1x4M 2 OPTO SENSORS AMP MODU 1x4M EG 3 EXPLT 1705 1 45V 1 5 0VD2 5 4 GND 2 2 ROTSW1 5 45 3 ROTSW2 L400 CPU BOARD 200398 GND Molex 95009 2881 hors 1 1704 2 TPO 205 12 1509 1203 CPU 1 Moix 95009 2663 3 T PINHEADER 2x20 PINHEADER 2x20 1x2M 1 EXPSW LOCK 5 1 45V 1 5 2 READYLT 1300 3 PHASE MI CROSTEP DRIVER 200397 158 E Eu 2 GND E 3 EXPLT 7 MODU II 2x8M w 3 5 4 GND 8 1301 1302 280385 2 4 GND 5 AMP MODU I 2 8 MP MODY I1 1 1 5 0 02 5 DS 280385 71 6 GND 1701 2 SEND PINHEADER 2x25 MODU II 1 6 1 Phase 1 BL ENA 2 50 1 5 k 280372 2 2 Phase 2 5 ZENA 9 D2 2 TUBEHEAT E di 3 3 Phase 3 6 D3 5 amp gt 5 2 STEPPER 7 RETURN2 D4 4 a wif 3 exer 6 MOTOR 8 MIRRORSW 05 5 4 7 9 ZACT REGTEMP 6 p 5 8 10 PLSW_ GND 7 11 EXPSW MOSI 8 MAF
69. M 01 2 GND 5 AC 5 KVPWM 4 4 01 5 D2 230 115 VAC 6 KVPWM 5 3 GND 6 6 KVPWM 5 D2 6 D3 4 GND N x44 7 GND TECNO 6 LINEOK 6 D3 MOLEX 5566 02A 8 GND 8 GND 7 7 7 D4 5 3 3V_CCD MAINS FILTER 1 19VAC 9 KVFB 9 KVFB 8 OUT 8 05 5 5 5 2 5 9 N N CN 10 KVFB OUT 2 8 415V CCD GND no HL 9 13 07 X45 230V set GND HL MOLEX 6 PREH 2 12 GND 10 3 0V CCD 1 PREH 2 IMAGE 2 TUBE HEAD ASSEMBLY 2 MAPWM 14 GND IMAGE OUT TDICLK A OU Eco 3 MAPWM m TDICLK OUT PPOWER i2 CCD X Ray Tube kd oyad ed hava 4 MAFB 19 END PPOWER_OUT 15 GND 5L TUBEHEAT ig GND GND 16 GND 6 TUBEHEAT TUBEHEAT 19 GND ae 115VAC 115VAC X46 us tup 20 45V GND 1201 Pen NIS MOLEX 5566 06 ysg 21 45V MODU 1 4 e MOLEX 90136 1210 1502 inv GND 280610 1 VFB CRXD 1 5 0VD1 MAINS TRANSFORMER 1 N 5 D 1x8M 24 45V CIXD 2 GND 230VAC 2 dings 3 115VAC 1 prim winding 5 1 HIGUR 26 CoD RESET_CCD RES 2 t S E 5 GND 2 GND 28 1205 Cascade Board 6 GND 4 66 29 HICUR AMP MODY II 1x4M ascade Boar GND 310 DC MOLEX 5566 024 7 GND 5 DIR 30 FANPWM PAN CAM DET 1204 424V STEP 1 8 GND 6 ENA 32 PAN CAM DET PAN CAM DET MODU II 1 2 52 2 9 FILAMENT VOLTAGE 7 5 0VD2 33 PAN_CAM_DET 280373 2 tip 5 L700 INTERFACE BOARD 200401 10 FI
70. N zc en 108485 099 ZINS 52 e m gt 245104 60 0 07009 gt 1 E 5 TNT WY 2 5108 I E EN NY gt Yana rhe gt 501 90 y 469 En 4 ET EEEE EIE HLISPZCXATwZ Li E 2100 pan mas bip yi Or 1 100 YNY as Juno 5 0 08789 31 Si 6 2 110 1no vuv DO 8 06 mmt i In0 er IS Rd 12207134538 1 7 IH SHa wH 1 971007 vNv FERT 74 NUS 1 1 VN3Z 92 ma Wz6 v viaqv I yin 13S Ol EMI advo Lalo 9 Cd 18 822A AS 2 67 Lev Ge nM 2 67 ucc 00 Car 50 ZIMY 4 ES 5 02 87 0041 1 8 TS 158 71 9 8 1 vano Abs 1 whe Ha 61 OL gi er vc B E fe us 6 2 02438 YONA 10807 7 gi cr 1 9 f v et 5 67 a ie AOS oem T el er m9 185 evo 40 z vang 1 0 is y 9in 8 438A 819 or ES 0124 V n als io e zuo HE 6 YaNa v e ISSAY og 4 alsov
71. N2500 Rot pos sen Board Cranex Novus 3 8 N2500 Rotation Position Sensor Board Pt no 4801143 N2500 Location Inside the rotating unit under the head support To access remove the head support and then the lower protective cover see section 7 1 Generator Board L300 3 Phase Microstepper Drive Tubehead CCD Senso N2500 Rotation Position Sensor Board N2500 Field replaceable parts None 84 Service manual 200569 Cranex Novus 3 Circuit Boards N2500 Rot pos sen Board N2500 Description N2500 is used to detect the position of the rotating unit N2500 has two optical switches that generate sensor signals ROTSW1 and ROTSW2 according to which position is activated N2500 includes a transmitter LED and a receiver or base The sensor signals remain on as long as the base receives light from the LED When the light to the base is cut off by the positioning rail the sensor signal is switched off N2500 Connectors J2501 Pin Signal Description 1 5V Supply voltage 2 ROTSW1 Sensor signal 1 3 ROTSW2 Sensor signal 2 4 GND Ground Service manual 200569 85 3 Circuit Boards N2500 Rot pos sen Board Cranex Novus 1 SENSPOW J2501 4 GND J2501 0011 2 J2501 GND TCST1202 OUT2x 3 J2501 TCST1202 GND GND GND 86 Service manual 200569 Cranex Novus 3 Circuit Boards N2500 Rot pos sen Board R1 R4R2 TR2 TRI Service manual 200
72. O Ethernet twisted pair 1 Ethernet twisted pair 1 Description Power supply logic GND I ogic Description NOT USED The X ray tube s temperature analog signal NOT USED NOT USED NOT USED Line voltage NOT USED mA feedback NOT USED kV feedback NOT USED A D converter s ground A D converter s supply voltage NOT USED Z motor movement enabled Resets CCD sensor Position lights enabled High current selection Temperature controlled fan Service manual 200569 Cranex Novus pressed 42 43 44 45 46 47 48 49 50 OUT1 OUT2 OUT3 ROTSW1 ROTSW2 RXD MISO ZACT MIRRORSW TUBEFAIL PLSW HL EXPSW 3V3 GND Service manual 200569 3 Circuit Boards L400 CPU Board NOT USED NOT USED NOT USED Rotation position switch signal Rotation position switch signal Receive data serial connection from CCD SPI signal NOT USED NOT USED NOT USED Up down key on side control panel Mirror switch X ray tube failure NOT USED NOT USED Position light switch High low bit Exposure switch Power supply GND logic 51 Cranex Novus t Boards L400 CPU Board ircui 3 C 13538785 10751100 Old 110 21901 SAL exe N u3NOd IN Od 0907
73. Service Manual for the Cranex Novus Dental X ray Unit 200569 rev 4 2011 09 Service Manual for the Cranex Novus Dental X ray Unit Medical Device Directive 93 42 EEC 0537 Number 200569 rev 4 201109 Manufactured by SOREDEX Nahkelantie 160 Tuusula P O BOX 148 04301 Tuusula Finland Tel 358 45 7582 2000 Fax 358 9 701 5261 Contents Cranex Novus 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 current product specifications Soredex maintains the right to make changes and alterations without prior notice Cranex Novus Contents Contents 1 General 4 4 82222 1 1 1 1Associated documentato 1 1 2 Service precautions and warnings 2 22 1 1 Warning Radiation 1 Warning Mechanical safety succi 2 Warning Electrical T OO 2 Caution electrostatic discharge uoces sra 3 Warning dcs ica clade
74. TIN GND J101 Signal MSW GND J102 Signal GND J103 Signal ZBOTTOM GND J104 Signal AC1TR40UT AC1TR6OUT AC2TR5OUT J105 Signal AC1 Service manual 200569 3 Circuit Boards L100 Z Motor Driver Description Z movement drive up key pressed Z movement drive down key pressed Z movement key pressed Position lights key pressed Return key pressed GND logic Description Mirror switch GND logic Description Z movement reached top GND logic Description Z movement reached bottom GND logic Description AC motor power signals AC motor power signals AC motor power signals Description 230 or 115 VAC line voltage 29 3 Circuit Board L100 Z Motor Driver 1 2 Pin Pin OUN 30 J106 Signal AC2 J107 Signal ESTOP_5V POSLOUTS J108 Signal ESTOP 5V POSLOUT2 J109 Signal ESTOP 5V POSLOUT1 J110 Signal 5 ESTOP 5V J111 Signal EXPSW READYLT EXPLT GND J112 Signal TPO TPO 1 1 Cranex Novus Description 230 or 115 VAC line voltage Description Emergency stop Position light 3 Description Emergency stop Position light 2 Description Emergency stop Position light 1 Description Supply voltage logic Emergency stop Description Exposure switch Ready light Exposure light GND logic Description Ethernet twisted pair 0 Ethernet twisted pair O Ethernet twisted pair 1 Ethernet tw
75. Z movement and stepper motor R movement when pressed 2 Unit Description Cranex Novus Exposure logic An exposure can only be taken when the unit is in the ready state the exposure ready light on the control panel is on and the exposure button is pressed and held down The Generator board receives the correct kV and mA references from the CPU L400 A few milliseconds after the exposure button is pressed Expsw preheat is enabled Preh After 800ms the exposure will start ExpEna The tubehead will receive power from the Generator board and the Generator board will also start to regulate the mA and kV according to mA and kV feedback Generator board Tube head r reference Voltage multiplier ExpEna Tubefail Expsw ExpEna Preh kV mA 18 Service Manual 200569 Cranex Novus 2 Unit Description Position control The position of the rotating unit R movement is moni tored by optosensors on N2500 Rotation Position Sen sor Circuit The optosensors indicate in which sector the rotating unit is The optosensors ensure that the rotating unit is in the correct position start or PIO Pa tient In Out for an exposure The statuses of the optosensors are monitored continu ally by the unit software The upper and lower limits of the vertical carriage Z movement are monitored by microswitches A overview of the Imaging Chain Service Manual 200569 This description assumes that the
76. a 21 100912101 gt si sogr L2 100739 VW gt ON gi gpgr lt zi sogr nH Co oi sogrt e cogr tsa 8 sogr i1 sogr uea 95 505 20 lt 1 S sgsr j3 cocr 100 71 z sos VoL i sos Josuas 022 t 2481138 gt 5 gt lt 21 90 C reo Z 12A0V338 lt oi zogrt z n d338 gt 5 _ NIVLVO 8 209 osn lt 1 1 952081 ti ison gt or a 7 2 isa 7057 auog c0Sn 1024405 0091 211 12706 11 204224409 19104409 10104 494425 espud c 0061 5 v vosr 7 Uu 7 r lt 6 205425 UOI ISOg 0130304 0062 040 gu 0901 o QA0 G 91 06 1 05 tz 1 09 U MSdX3 lt 15057 519 or fost 14992 sroc rm C 7 ZNYNL3Y 7 1 lt 04 9 0 2 2 5 0 VN3 Om 21 30153 1 087 lt 04 1 lt 04 ZQA0 S 40 99UU0D 2010 7 0011 92 10 lt 51 1087 iur gt 83VN LZ 511057
77. a strobe GND logic GND logic NOT USED GND logic Transmit data serial connection Receive data serial connection Resets the CCD sensor NOT USED NOT USED NOT USED NOT USED Service manual 200569 Cranex Novus 0 XE IX 2x lx CN A X x PAN CAM DET PAN DET 3 3VD 3 3VD GND GND GND GND J506 Signal 5 0VD2 GND 3 3VD_CCD GND REGTEMP CCDENA LINEOK FANPWM J507 Signal CS GND SCLK GND MOSI GND MISO GND BEEP 5 0VD2 READYLT GND DIG4 GND 5 0VD2 RETURN2 Service manual 200569 3 Circuit Boards L500 Connector Board Panorama sensor mode value 5 0VD2 Panorama sensor mode value 5 0VD2 NOT USED NOT USED Supply voltage CCD sensor s uC voltage Supply voltage CCD sensor s uC voltage GND logic GND logic GND logic GND logic Description Supply voltage GND logic Supply voltage CCD sensor s continuous volt GND logic Regulator temperature CCD enabled Line voltage Fan s PWM control Description Chip select GND logic SPI clock GND logic Data out GND logic Data in GND logic Beeper control Supply voltage Ready light GND logic Control voltage for external warning exposure lights GND logic Supply voltage Return membrane switch on side control panel 67 3 Circuit Boards L500 Connector Board 3 FB 6
78. a value for example gt exp 3000 will result is a exposure time of 3000 ms The minimum value you can key in is 100 ms and the maximum is 10000 Service manual 200569 Cranex Novus expcnt help Service manual 200569 5 Service Assistant and Service Functions Press and hold down the exposure button to activate x rays If exposure times of 1000 ms or more are used the mAfb and kVfb ADC values will appear To exit the command key in q and then press Enter or press the RETURN key on the unit control panel NOTE The kV value used for the exposure will be the one selected before entering the service mode The kV value cannot be changed while the unit is in the service mode If you wish to change the kV you must exit the service mode NOTE The still command described later generates x rays and activates the CCD sensor but the rotating unit does not move exposure counter use clear option to clear it Displays the total number of exposures taken with the tubehead To zero the exposure counter enter clear gt expcnt clear and then press Enter NOTE Always zero the exposure counter when the tubehead is replaced display info on command help or h cmd Displays the service command list and information about the commands 121 5 Service Assistant and Service Functions Cranex Novus 122 ip kv log configure ip address Displays the current IP addr
79. ace bus may not be working correctly Replace L400 CPU board Error E 5 Line voltage tolerance CAUSE Line voltage to high or low SOLUTION The error code will clear automatically when the voltage returns to its normal level If the voltage is not stable where the unit is being used you may have to instal a voltage stabilizer Check that LEDs D1 D2 and D14 on L200 are on If some of the LEDs do not come on check the fuses on L200 Replace any faulty fuses Error E 16 Exposure switch or control panel CAUSE A Exposure switch or control panel key s not working SOLUTIONA Switch the unit off and then on again If the error code reappears replace the control panel CAUSE B Exposure switch stuck down during unit start SOLUTION B Release the exposure switch so that it is not stuck in the exposure position If the error code reappears replace the exposure switch Error E 20 Flash check error CAUSE The check sum test failed on the flash memory SOLUTION Replace L400 Service manual 200569 103 4 Troubleshooting Cranex Novus 4 3 Problems while preparing the unit for an exposure None of the control panel indicator nor alphanumeric LEDs come on Error E 18 on service assistant CAUSE L600 Control panel is not connected to L500 Connec tor board or L600 has failed NOTE Check the service assistant to see if error code E 18 appears If it does it indicates either that the cable between L6
80. anical Z movement end stops by using the SW switches on L100 DANGER HIGH VOLTAGE Take great care when pressing the switches SW1 SW2 SW3 not to touch indicator lamp LA1 which is 240 115VAC Press SW1 SW1 simultaneously to drive the vertical carriage up and SW2 SW3 simultaneously to drive vertical carriage down Replace the end microswitches Error E 8 Z motor timeout 108 CAUSE The Z motor automatically stops operating after 30 seconds SOLUTION This is a safety feature Clear the error and check that the Z motor operates correctly press up down keys If it does not follow the troubleshooting pricedures described in the section Up down Z motor keys do not work Service manual 200569 Cranex Novus 4 Troubleshooting 4 4 Problems during exposure Nothing happens when the exposure button is pressed CAUSE A Exposure switch locked SOLUTIONA Unlock exposure switch The lock is located at the rear of the unit next to the on off switch CAUSE B Fuse F1 on L200 has blown SOLUTION B LED D2 L100 indicates if the unit is receiving power If the LED is not on replace fuse F1 on L200 CAUSE C Exposure switch failed SOLUTION C Replace the exposure switch Error code H1 Exposure interupted Service manual 200569 CAUSE A OPERATOR ERROR The exposure button was released during an exposure SOLUTION A Advise the operator to hold down the exposure button for the duration of
81. ard supplies 230 115VAC to the Transformer Check the cable and connectors between the Generator board X45 and the Transformer and replace the cable if it is faulty The transformer supplies 18 9 8VAC to the L200 CCD Power supply Check that the LEDs D1 D2 and D14 on L200 are on If they are not on check fuse FH1 on the Generator Board and replace if blown If the LEDs do not come on after replacing FH1 check the cable and connectors between the Transformer and L200 J205 and replace the cable if it is faulty If the cable is okay check fuses F1 F2 and F3 on L200 CCD Power supply and replace if blown If the indicator LEDs on L200 still still do not come on replace L200 NOTE If only one or two of the LEDs come on it indicates that the Transformer is faulty L200 CCD Power supply supplies 5VDC to L500 Connector board Check the cable and connectors between L200 J204 and L500 J506 and replace the cable if it is faulty If the cable is okay check the power supply between TP1 GND and pin 8 on IC3 it should be 5VDC If there is no power replace L500 L500 Connector board supplies 5VDC to L600 Control panel Check the cable and connectors between L500 J507 and L600 J601 and replace the cable if it is faulty If the cable is okay replace L600 Service manual 200569 Cranex Novus 4 Troubleshooting 7 Ifthe control panel still does not work correctly the SPI Serial Peripheral Interf
82. ating characteristics TUBEHEAD THERMAL CHARASTERISTICS 140 000 Heat storage J 0 100 200 300 400 500 600 700 Time min Service manual 200569 A 5 Appendix A Technical Information Cranex Novus Tube rating chart KL40 0 5 70 Maximum Rating Charts Absolute maximum rating charts Focus Spot 0 5 mm ee a JAN a ft TUBE CURRENT mA N 0 1 0 2 0 3 0507 1 5 7 10 EXPOSURE TIME i Anode thermal characteristics Anode Thermal Characteristics 0 50 100 150 200 250 300 TIME s A 6 Service manual 200569 Cranex Novus Appendix A Technical Information Tube rating chart D 058 Maximum Rating Charts Absolute maximum rating charts Focus Spot 0 5 mm 16 row __ 12 60 kV BEREN 1 0 mu TUBE CURRENT mA ll 1 l1 EXPOSURE TIME s Anode thermal characteristics Anode Thermal Characteristics iT AA Lae oo TK i TAL CNS ei BRESAN 0 1 2 3 4 TIME min HEAT STORAGE kJ bh Service manual 200569 A 7 Appendix A Technical Information Cranex Novus Tube rating chart OX 90 20 Rating charts DC 0 01 0 1 1 10 Exposure time Anode thermal characteristics curves radiator 0 100 200 300 400 500 600 Time s A 8 Service manual 20
83. aximum torque of 0 5 Nm Bend the ends of the locking plates up to prevent the screws from loosening Reconnect all the cables Reattach the collimator but do but do not tighten the nuts until you have checked the alignment of the tube head Replace the circlip Calibrating the tube head and checking the alignment 134 1 Reconnect the unit to the power supply and then switch the unit on 2 Open the service assistant Carry out the warmup procedure and then calib procedure Also set the exposure counter to zero expcnt clear Align the unit refer to the installation manual for information on how to do this Open the Novus setup page in DfW Choose the calibration mode and take the calibration image use the calibration filter supplied with the unit Service manual 200569 Cranex Novus Service manual 200569 7 Replacing parts 5 Replace all the covers 6 Attach the new tubehead label to the underside of the tubehead side of the rotating unit New tubehead label underside of the tubehead side of the rotating unit IMPORTANT NOTE Please return the tubehead to the Soredex for examination 135 Cranex Novus Appendix A Technical Information Appendix A Technical Information A 1 Technical specifications Type CRA 1 Classification Complies with IEC 60601 1 1995 IEC 60601 2 7 1998 IEC 60601 2 28 1993 and IEC 60601 2 32 1994 IEC 878 UL 2601 11 2006 f
84. boards 99 4 Troubleshooting Cranex Novus Checking cables and connectors Visually check cables for mechanical damage cuts damaged insulation and twists If a cable is damaged 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 multimeter DMM to check the resistance of the different wires within the cable An undamaged wire will have close to no resistance gt 0 ohm a damaged wire will have a high resistance value Make sure that all cables are correctly and securely attached to their respective connectors Connectors must not be loose or misaligned If the connector has a locking mechanism make sure that it is locked 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 reconnect the connector If the damage cannot be repaired replace the cable Note that if the connector on the board is also damaged the board may also have to be replaced Power supply problems Power supply problems are described in section 4 2 Problems during start up 100 Service manual 200569 Cranex Novus 4 Troubleshooting 4 2 Problems during start up Nothing happens when the unit is switched on Service manual 200569 The on off switch light does not come on CAUSE A Power cut SOLUTION A
85. c 5 m 20 502 si sis 5 5 81 027 9 202 el sS SERR NOdX3 52 07 fing x TOT ZLNOT Old yw 72 007 i daa WAX n j 2 10 Ola 48 ie ri G61 AY 100 Old ATIS i 02 4 8 61 110 Old ISOW G COZ 9 57 01n0 Old gin 135701 0 EACH z eozr ASL 001 ju vi 0ZP g cozr wm 50094 2478 76027 80 007 gt 70 Y 1 lt 007 wm dWil93N A06 A06 ASL 100 AOS 4 AOS eso n 692 ail AGt gt EE m S SS Te bbk bebbe i r3 m o la la la amp laf Z fe gs VbYZON WINS ZO 6 c02 mmm X gt q 01 02 1 4 soer Frere i SQ 71 007 mmm LINH i 00 mm LEG E SQ 5 007 eo lt 007 mm Y 57 zNa gt ee ee ee ee ee ee ee eB eB ee EE EE EE Ef E EE RE ER an 444 44 cage Old Old NI Old NI 0ld NI Old INI Old ON Old Service manual 200569 60 Cranex Novus 3 Circuit Boards L4
86. cuit Boards CCD Sensor CCD Indicator lights Remove the covers from the CCD side of the rotating unit On the rear of the CCD sensor there are a number of LEDs that indicate the status of the CCD sensor Power Supply LEDs TDI Image Power CCD RxD CCD TxD CCD status LED Colour Power Yellow Image Yellow TDI Clk Yellow Off On Flashing Power Supply 1 Yellow board 2 Yellow Service manual 200569 2 3 Indicates Indicates that the power signal is active Indicates image signal activity It tells the CCD sensor A D converter to sample image data according to the TDI frequency Indicates that the clocking frequency of the CCD is available TDI frequency is between 0 50Hz TDI frequency is between 100 Hz 1kHz TDI frequency is between 50 100Hz or above 1kHz Indicate the different voltages required by the CCD sensor The microcontroller in the CCD sensor monitors the voltages and activates the LEDs accordingly There are software set limits for the various supply voltages The LEDs come on during image capture 3 3V and 1 8V LEDs Supply voltages for the CCD clock controlling FPGA The 3 3V is generated in L200 from 8V_ANA The 1 8V step down is generated in CCD sensor from 3 3V LIMITS 3 3V between 3 0 and 3 6V 1 8V between 1 71V and 1 89V Analog 5V LED L200 generates this voltage from 8V_ANA Supply voltage for AD converters LIMITS
87. current is 7MA The patient support assembly is attached to the bot tom of the vertical carriage It comprises handles for the patient to hold and a chin support The patient is held in position with a four point support system The head support attached to the rotating unit supports the patient s head with temple supports and the forehead support The patient support assem bly supports the patients lower jaw on the chin support using either the chin rest or lip support There are two patient positioning laser lights midsagit tal light and Frankfort horizontal light Chin support Patient support assembly Handles 2 Unit Description Cranex Novus 2 5 Electrical description Circuit boards Circuit boards are described in detail in section 3 Cir cuit Boards Power supply Main fuses Power 230VAC or 115VAC is supplied to the unit through L100 Z Motor Driver From L100 power is routed through the Generator board to a transformer which produces low voltages 3 3 3 5 9 4 15 and 24V that are supplied to L200 a linear mode power supply which distributes the voltages to the other boards in the unit The transformer also produces 27VAC and 19VAC voltages that are supplied directly not through L200 to the Generator board The power for the AC motor z motor 230VAC or 115VAC is taken directly from L100 and not from the Generator board Capacitors on the Generator board produce the 310V nee
88. d to take exposures of the dento maxillofacial region The units cannot be used to take x ray exposures of any other part of the human anatomy The Cranex Novus can be used to take adult panoramic full width child panoramic reduced width and TMJ images All units are factory set to operate using either a 230 VAC power supply or a 115 VAC power supply The voltage setting CANNOT be changed The Cranex Novus is used with a PC in which Digora for Windows or some other MDD approved dental imag ing software is installed Service Manual 200569 Cranex Novus 2 Unit Description 2 2 The main parts and assemblies NOTE Tubehead CCD sensor Rotating Unit Vertical carriage ci Head support Mirror Frankfort light __ Tubehead Focal trough Chin support Midsaggital light Patient handles Press to stop the unit Rotate to release Ethernet On off switch rear of column PC with MDD approved dental imaging software Service Manual 200569 11 2 Unit Description Cranex Novus Side control panel p Lights key 62 Down key Return key Display and main control panel Display Exposure warning light Exposure ready light PC light Green system ready Yellow image transfer Red no connection Panoramic key Test key Return key TMJ key 12 Service Manual 200569
89. ded for use in the electromagnetic environment specified below The customer or the user of the CRA 1 should assure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance RF emissions Group 1 The CRA 1 uses RF energy only for its internal CISPR 11 function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions Class B The 1 is suitable for use all establishments CISPR 11 including domestic establishments and those directly 2 connected to the public low voltage power supply aoe Class A network that supplies buildings used for domestic emissions purposes IEC 61000 3 2 Voltage Complies fluctuations flicker emissions IEC 61000 3 3 A 12 Service manual 200569 Cranex Novus Appendix A Technical Information Guidance and manufacturer s declaration electromagnetic immunity The CRA 1 is intended for use in the electromagnetic environment specified below The customer or the user of the CRA 1 should assure that it is used in such an environment Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Electrostatic discharge ESD IEC 61000 4 2 6 kV contact 8 kV air 6 kV contact 8 kV air Floors should be wood concrete or ceramic tile If floors are covered with syn
90. ded to power the tubehead from the 230VAC or 115VAC supplied by L100 Two 5AT 230VAC or 8AT 115VAC dimensions 5mm x 20mm UL approved They are located below the main power supply cable at the rear of the column Service Manual 200569 Cranex Novus Unit control 2 Unit Description The unit is controlled by a microprocessor on L400 CPU board It continually monitors and controls the operation of the unit A serial peripheral interface com munication protocol SPI RS485 and direct digital I O are used to monitor most of the unit functions The microprocessor monitors the optosensors monitors control panel keys controls unit movements during exposures starts controls and stops x ray generation controls the digital imaging chain The necessary unit settings and parameters for all the imaging programs are stored in the memory which is also on L400 Motors and motor control Service Manual 200569 There is one stepper motor and one AC motor in the unit The stepper motor drives the rotating unit R move ment The stepper motor is driven and controlled by L300 3 Phase Microstepper Driver The AC motor Z motor adjusts the height of the unit Z movement and the motor is activated by L100 To activate the Z motor L100 must receive a control signal from L400 and a separate control enable signal from the Z movement up down keys An emergency switch on the front of unit disables the Z motor
91. e end of useful working life of the device its spare and replacement parts and accessories make sure that you follow all local national and international regula tions regarding the correct and safe disposal and or recycling of the device its spare and replacement parts and accessories The device and its spare parts and accessories may include parts that are made of or include materials that are non environmentally friendly or hazardous These parts must be disposed of in accordance with all lo cal national and international regulations regarding the disposal of non environmentally friendly or hazardous materials The following hazardous materials and substances can be found in the device its spare and replacement parts and assemblies Lead Pb circuit boards tubehead Cadmium Cd none Mercury Mg none PBB Polybrominated biphenyls none PBDE polybrominated diphenyl ethers none Other materials and substances in the device its spare parts and assemblies that could be hazardous and are non environmentally friendly are Phosphor beam alignment tools Mineral oil tubeheads The locations of all the device parts spare and replace ment parts and assemblies listed above can be found in the device service and or installation manual Service manual 200569 9 2 Unit Description 2 Unit description Cranex Novus 2 1 The Cranex Novus The Cranex Novus digital extraoral x ray unit is de signe
92. een green green green green J203_CPU Signal 5V_CPU GND VV DS DO D1 D2 D3 D4 D5 REGTEMP GND MOSI SCLK CS BEEP mA ref kV ref PREH EXPON GND IMAGE A D 2 TDI CLK TXD Service manual 200569 Indicates 100 Base T 100MBit s in use Ethernet signal activity Full Duplex mode in use 10 Base T 10Mbit s in use 5V on Description Power supply CPU GND logic Valid video Data strobe Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 Temperature of the regulators on L200 board GND logic SPI signal SPI clock Chip select Beeper enable Current reference Voltage reference Preheat Exposure on CPU enabled GND logic Enables A D conversion on CCD Sensor Board NOT USED Time Delay Integration Clock CCD Transmit data serial connection 49 3 Circuit Boards L400 CPU Board Pin AUN Pin 5 0 50 CCDENA PPOWER CLK DIR ENA 5V_CPU GND J204_CPU Signal 1 1 4205 CPU Signal 5V GND J3_CPU Signal TUBEHEAT 1 LINEOK mAfb kVfb GNDA 5VA ZENA RESET CCD PL_ENA HICUR PWM Cranex Novus Enables the supply voltages for the CCD sensor CCD sensor s supply voltages are on Stepper motor clock Stepper motor direction Stepper motor enabled CPU Power supply CPU GND logic Description Ethernet twisted pair O Ethernet twisted pair
93. en on again CAUSE B The tube heat signal is missing SOLUTION B If the error message never clears check the path of the tube heat signal The tubehead and or the generator board may be faulty and must be replaced 113 4 Troubleshooting 114 Cranex Novus Vertical white stripes on the image Probably due to tube arcing Refer to the trouble shooting information given in error code EO Horizontal white stripes on the image Recalibrate the CCD Open the DFW program if it is not already open From the Options drop down menu select Cranex Novus setup The CRANEX Novus Setup window will open Select the Device page In the Image Scanning field click the Calibrate radio button to activate it Tape the calibration filter to the filtration label that is attached to the tubehead cover The filter should be positioned vertically in the center of the filtration label Select the Adult Pan exposure program Push the nasion support up as far as it will go and remove the chin support Protect yourself from radiation and take an exposure The image should be free of any horizontal lines stripes If itis not repeat the procedure Service manual 200569 Cranex Novus 4 Troubleshooting 4 6 Bad quality images Bad quality images can be due to one or more of the following incorrect patient positioning a badly aligned unit the CCD sensor is not calibrated Incorrect patient positioning If the u
94. ent MAC address of the unit To change the MAC address enter the new one gt mac aa bb cc dd ee ff the new MAC address and then press Enter After changing the MAC address of the unit communication between the unit and the PC will be lost and the link to the PC will have to be reconfigured Refer to section 3 5 Configuring the communication link to the PC in the installation manual NOTE DO NOT change the MAC address unless you know what you are doing The MAC address is dependent on the serial number and is set at the factory optotest prints optosensor values for 30 seconds Service manual 200569 Allows N2500 to be checked Optosensors on N2500 monitor the position of the rotating unit The optotest command displays for 30 seconds values that indicate the position of N2500 When you manually rotate the rotating unit the values should change sector 0 sector 1 sector 2 sector 3 which indicates that the optosensors on N2500 are working and that the board is functioning correctly If the values do not change N2500 or the cabling is defective 123 5 Service Assistant and Service Functions Cranex Novus patt generates test pattern from CCD module Produces a test pattern image from the CCD The pattern shows a number of two tone gray vertical lines These indicate that the data lines to the CCD sensor are working correctly prog set default program lt pan gt lt ped gt lt tmj gt lt t
95. ess of the unit To change the IP address enter the new one gt ip aaa bbb ccc ddd the new IP address and then press Enter After changing the IP address of the unit communication between the unit and the PC will be lost and the link to the PC will have to be reconfigured Refer to section 3 5 Configuring the communication link to the PC in the installation manual NOTE The IP address can also be reset using the driver tools set default kV lt 60 gt lt 70 gt Allows the kV value that is automatically selected when the unit is switched on to be changed There are two settings 70 kV the factory setting and 60 kV To change the kV value enter the new one 60 gt kv 60 and then press Enter service log lt all gt lt clear gt lt newest gt lt statistics gt Displays exposure logs There are several log options lt all gt default display the complete log lt clear gt erase all log entries lt newest gt display the latest log entry lt statistics gt display the log statistics To select one of the log options enter the required command gt log clear and then press Enter Service manual 200569 Cranex Novus 5 Service Assistant and Service Functions logsign make a service signature for current events Allows a short note to be added to a log entry Add the note and then press Enter The note will appear in the log mac print mac address Displays the curr
96. essed Patient size key pressed TMJ imaging key pressed GND 15 Cranex Novus Service manual 200569 t Boards L600 Control Panel ircui 3 C gg 58 8 lt gt e swa L gao E so lt 5 a 8 2I O08Qj dW1H y L M lt 25 lt 25 389 504 3 ESB 9 5 iris aas v 21 gt 4 4 8 co QAG ZELOHYL 0080 dH amp lt za ERB c uy i 115 eus lt 1 at 4 4 2 4 lt 21 910 gale 008Q dH Ss lt 25 K 2 5 3 71 2 52 16319 3G 3 7 2 lt 12 idc ae ves 29 y 008Qz dH rm 3 lt v Linav a zl Gnad GAS 41 2619494 cv T V ND g 8315 cu s ort usai 1 21 n ra gt 09 Jz 3 zosr mes 4 1 Y vod g zogrm MU
97. est gt and overrides kV and set it back to default Allows the default exposure program the program automatically selected when the unit is switched on to be selected The choices are lt pan gt default panoramic program lt ped gt child reduced width panoramic program lt tmj gt temporomandibular joint program lt test gt the test mode To select a new option enter the required command and then press Enter NOTE The appropriate kV for the selected progam will be automatically selected 124 Service manual 200569 Cranex Novus quit reset restore restgen serno status 5 Service Assistant and Service Functions quit service terminal Exits and closes the service terminal software reset Reboots the unit restore factory configuration Restores the configuration settings to the default factory settings You must key in restore configuration gt restore configuration restore generator default values Restores the original default settings of the generator This should be used if the calibration calib command was unsuccessful configure serial number and MAC accordingly Displays the serial number of the unit serno V XXXX and then press Enter NOTE The serial number can be reset when the CPU is replaced The serial number can only be set once retrieves status and updates clock For factory use only Service manual 200569 125 5 Service Assistant and Se
98. etwork Interface Card NIC After image data transfer the DSD preprocesses the raw image for example it interpolates gaps between CCD chips and carries out dark current correction and gain correction the pixels do not have equal characteristics 20 Service Manual 200569 Cranex Novus 2 6 Wiring diagram overview Fuses 2 x T5L 250V for 230V device GENERATOR BOARD 200404 L500 CONNECTOR BOARD 200399 CCD SENSOR 200394 18VAC 9VAC 8VAC 1 General information L200 CCD POWER SUPPLY 200396 2 x T8L 250V for 115V device X190 X49 J501 508 1505 x191 J205 MOLEX 5566 04A MOLEX 87089 2016 RIBBON CABLE 1mm bINHEADER 2x25 PINHEADER 2 x 20 Ete PINHEADER 2 x 8 1202 MOLEX 5566 06A MAINS SWITCH 1 27V AC 1 TUBEFAIL i TUBEFAIE STRAIGHT 2mm STRAIGHT 2mm PINHEADER 2 x 8 1 18V AC 2 2T AC 2 TUBEFAIL 2 TUBEFAIL 1 1 GND J GND STRAIGHT 2mm 2 3 27V AC 3 EXPENA 2 TUBEHEAT OUT 2 GND 3 8V AC 3 2 GND 3 00 1 GND L 4 3 00 4 18V AC 27V ACI 5 KVPW
99. he service assistant 118 Service manual 200569 Cranex Novus conf confccd dap Service manual 200569 5 Service Assistant and Service Functions NOTE If the calibration procedure is not successful the message will appear If this happens reset the generator refer to the restgen service command for information on how to do this and then repeat the calibration calib procedure If the calibration procedure is still not successful after the second try the tube head and or generator board must be changed NOTE The calibration values that appear at the start and the end of the calibration procedure should be approximately the same They should be approximately MA_7_REF 213 25 KV_60_REF 182 25 KV_70_REF 205 25 MA PREH 80 425 display summary of configuration data Displays all the current configuration parameters of the unit The figures in brackets 1 are factory settings If you wish to restore the factory settings use the restore command NOTE default program 1 adult pan 2 child pan 3 TMJ and 5 Test display summary of CCD configuration data Displays the factory and current configuration parameters of the CCD sensor These values are for information only set dose area product lt value gt Displays the dose area product DAP value 119 5 Service Assistant and Service Functions Cranex Novus 120 dapshow dc endu exp setting to
100. ion 1 N Neutral from mains switch 2 NOT USED 3 L Line from mains switch 4 NOT USED X48 Pin Signal Description 1 HV2 310V tube voltage 60 or 70kV 2 HV1 310V tube voltage 60 or 70kV X49 Pin Signal Description 1 2 TUBEFAIL X ray tube failure 3 4 EXPENA Exposure enabled 5 6 KVPWM kV reference a PWM signal 7 8 GND Ground 9 10 KVFB kV feedback 11 12 GND Ground 13 14 2 Preheat 15 16 MAPWM mA reference a PWM signal 17 18 MAFB mA feedback 19 20 TUBEHEAT X ray tube s temperature X50 Pin Signal Description 1 KVFB kV feedback 2 GND Ground 3 HEATCURRENT Tube temperature 4 MAFB mA feedback 5 8 GND Ground 9 FILAMENT VOLTAGE 10 FILAMENT VOLTAGE Service manual 200569 91 u x suem E 3560 IND AH SPAN venons D n 4 p T ann oxor SIT 624 uyar Cranex Novus t Boards Generator Board ircui 3 C
101. ion see SS ZSSAV 59 62 do T LX 0401 7 vi gx 4 SER HOT T zen 1 8 4 di31938 agAud aR 9 5 aco X mma 0 AS z 1 ru 8 20 VAGT VAG V 1 3 38 XD DU zm ox sot Yano _ vaNno 25 01 YLLGHZEXATHL i E 5 z Xnw oav 2av a 2 o xn 9q 5 E Ta VH 379 20v ravna z O F 8224 24 VAS yoo Ap 4 2 e 8n Service manual 200569 58 t Boards L400 CPU Board ircui 3 C Cranex Novus o5 4 I 100 88 ASL 900 YOO 1 1 2 2 ASL T v 2 24 24 ast ast ucoi voor voor 200 TI T 915 4 9 912 EACH 13538 MS uv31 lt pu 2 BH oje 1asad om cH 2 13S3M 49 SSVdAB AOS E ASL 001 862 al 942 4 VWOdd A c yada GOFF aaf agi st 694 568 400 voor 00 voor auj voor voo
102. isted pair 1 Service manual 200569 Cranex Novus J113 Pin Signal 1 TPO 2 TPO 3 TP1 6 TP1 J114 Pin Signal 1 2 1 J115 Pin Signal 1 2 AC2 J116 Pin Signal 1 2 5V 3 ESTOP 4 PLENA 5 ZENA 7 RETURN2 8 MIRRORSW 9 ZACT 10 PLSW 11 EXPSW 12 15 16 GND 13 READYLT 14 EXPLT Service manual 200569 3 Circuit Boards L100 Z Motor Driver Description Ethernet twisted pair O Ethernet twisted pair O Ethernet twisted pair 1 Ethernet twisted pair 1 Description 230 or 115 VAC line voltage Description 230 or 115 VAC line voltage Description Supply voltage logic Emergency stop on Position lights enable Z movement enable Rotating unit return Mirror switch Z movement activity Position light switch Exposure switch GND logic Ready light on Exposure light 31 Cranex Novus iver t Board L100 Z Motor Dri ircui 3 C
103. it Board Mec C Tc 25 3 1 L100 Z Motor Driver Pt no 200385 tutu put densius 25 3 2 L200 CCD Power Supply Pt no 200396 eror einn 35 3 3 L300 3 Phase Microstepper Driver Pt no 200397 44 3 4 L400 CPU Board Pt 200398 48 3 5 500 Connector Board Pt 200399 63 3 6 L600 Control Panel Pt no 200400 73 3 7 L700 Interface Board Pt no 200401 tea uerunt codes ede 79 3 8 N2500 Rotation Position Sensor Board Pt no 4801143 84 3 9 Generator Board Pt no 200404 ae eee toan repr rk ate 88 3S 0 COD Sensor PL noc 2DDT T secs caasa sorta tete tutem doceret 96 Troubleshooting me c 99 Bn Uie cM TENES 99 Restarting the MUN MT 99 IPTE 99 Checking circuit 99 Checking cables and connectors 222222 1 100 Power supply 100 4 2 Problems dung tte 101 Nothing happens when the unit is switched 101 The on off switch light does not come 101 The on off switch light comes on but the control panel does not light 1
104. ithout any noise Press the up down keys to check the Z motor vertical carriage movement The motor must operate smoothly and without any noise Position detectors Press the up key and drive the unit up Make sure that the unit stops moving at its uppermost position Press the down key and drive the unit down Make sure that the unit stops moving at its lowermost position Use service command optotest see section 5 2 Serv ice Commands to check the rotating unit optosensors Patient Positioning Lights Check that the patient positioning lights work and are positioned correctly Refer to the Installation and set up manual for information on how to do this Mains power supply cable Check the condition of main power supply cable and replace it if damaged Tubehead Make sure that oil is not leaking from the tubehead If the tubehead shows signs of oil leakage replace it Service manual 200569 7 1 General Information Cranex Novus Covers and Labels Check that all covers are correctly installed and in good condition Also check that all the labels are attached to the unit and that they are all legible Fire risk WARNING Disconnect the unit from the main power supply before carrying out the next task Use a vacuum cleaner to remove all dust that has accu mulated inside the unit to eliminate the risk of fire 8 Service manual 200569 Cranex Novus 1 General information 1 6 Disposal At th
105. kV 3 5 V x0 2 V 3 3 3 7 mAfb 7mA 2 0 V 0 2 V 1 8 2 2 If values for the feedback signals are not within the limits and recalibration does not help measure the reference signals from L400 Connect a DMM to TP12 kVref and TP17 GND on L400 and take an exposure 111 4 Troubleshooting Cranex Novus Then connect the DMM to TP11 mAref and TP17 GND and take another exposure The values for the reference signals should be as follows These values are only guidelines and depend on the unit kVref 60kV 3 0 V 0 2 V 2 8 3 2 kVref 70kV 3 5 V 0 2 V 3 3 3 7 mAref 7 2 0 V x0 2 V 1 8 2 2 If the reference values are correct but feed back values are not the Tubehead and or the Generator board may be faulty and must be replaced If there are no reference signals check the cabling between the Generator board and L500 Replace if faulty Error E 6 Exposure timeout CAUSE Exposure timeout error exposure more than 10 seconds SOLUTION A If LED D6 on is not on L400 has failed If it is replace the Generator board Error E 10 CCD initialization configuration failure CAUSE There is no serial bus connection or the CCD sensor could not configure itself SOLUTION Check the condition of all the cables and connectors to from the CCD sensor as well as the cables from CPU to L500 and cables between L500 and L200 Also check that L200 functions correctly Check that n
106. l Panel L700 Interface Board Behind the unit Service manual 200569 35 36 3 Circuit Boards L200 CCD Power Supply Cranex Novus L200 Field replaceable parts Fuse 1 2 and 3 NOTE The fuses used MUST be the approved type UL listed and CSA certified Fuse F1 5AT 250VAC Cooper Bussmann S506 series Fuse F2 2AT 250VAC Cooper Bussmann S506 series Fuse F3 1AT 250VAC Cooper Bussmann S506 series Dimensions 5mm x 20mm L200 Description L200 supplies different voltages to most of the circuit boards in the unit L200 receives three transformed AC voltages 18VAC 9VAC and 8VAC from the Generator board and rectifies and regulates them to produce the various voltages that the unit requires The CCD sensor require 3 3V 3 3V 3V 15V 9V 5V The fan it cools L200 and the 3 phase stepper motor require 24V L400 and pheripheral electronics require two regulated 5VDC power supplies Service manual 200569 3 Circuit Boards L200 CCD Power Supply L200 Block diagram Cranex Novus 029 Ar 6 JojeinBeJ Jeeur HOLIMS SOWd lt 1 1 238 lt gt epoiq nV A6 0499 uo eBeyoA On 10 099 092 GAS e lt lt uo s GAO G piscem HOLIMS SOWd lt gt JojejnBau 1 06 jeeur AS9 6 SIG 8 lt seaur
107. nction name for example exp into the field at the bottom of the Cranex Novus service terminal gt Press Enter Information about the selected function will appear at the bottom of the list of functions Service manual 200569 117 5 Service Assistant and Service Functions Cranex Novus If a value can be changed or a option selected key in the new value or select the new option and then press Enter again If the function performs some other task follow the instructions given 6 To exit the Cranex Novus service terminal key in quit quit Then press Enter 5 2 The Service comands COMMAND DESCRIPTION calib calibrates generator references and preheat Calibrates the voltage 60 and 70 kV current 7 mA and prehear mApreh reference values for the tube head and generator board This calibration procedure must be carried out when the unit is installed and whenever the tube head and or generator board are replaced CAUTION Protect yourself from radiation when carrying out this procedure Press and hold down the expossure button for the duration of the procedure which will last up to three minutes During the calibration procedure you will hear the exposure warning signal and calibration values current at the start and calibrated at the end will appear on the display When the calibration procedure is successful completed the message CALIBRATION WAS SUCCESSFUL will appear Exit quit t
108. nd the mat to the ground potential Wash the wrist wrap and check that it is in good condi tion frequently Service manual 200569 3 1 General Information Cranex Novus Warning Explosion hazard Certain disinfectants and cleaning agents may vaporize to form an explosive vapour If such chemicals are used the vapour should be allowed to disperse before switch ing the device on Warning Cleaning the unit Switch the unit off and disconnect it from the main power supply before cleaning or disinfecting the unit 1 3 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 Soredex When properly assembled with a compatible beam limiting device the diagnostic source assembly will fully meet the United States of America Federal Perform ance 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 limit ing device or tube housing assembly Never remove or remanufacture any part of the tube housing assembly or beam limiting device Never adjust any part of the beam limiting device un less under the direction of Soredex or their authorized distributor 1 4 Disclaimer Soredex shall have no liability for consequential damag es
109. ng unit the values should change sector 0 sector 1 sector 2 and sector 3 which indicates that the op tosensors on the board are working and that N2500 is functioning correctly If the values do not change N2500 or the cable from L500 to N2500 is defective If N2500 is functioning correctly it indicates that there is a problem with the stepper motor Check LEDs DI and D2 on N300 If they are on the stepper motor or cable from N300 to the stepper motor is faulty Error E 9 Rotating motor timeout CAUSE The rotating motor automatically stops operating after 30 seconds SOLUTION Refer to the information in Error E 7 Positioning error Rotating unit stop rotating no error code CAUSE A Faulty N300 or stepper motor SOLUTION A Check LEDs DI and D2 on N300 If they are on the stepper motor or cable from N300 to the stepper motor is faulty Service manual 200569 105 4 Troubleshooting Cranex Novus Patient positioning light s do not come on The patient positioning lights lasers come on when the light key is pressed or one of the up down keys is pressed or the mirror is opened One of lights does not come on CAUSE The light is faulty SOLUTION A Check the cable and connector from the L100 Z motor driver to the light and replace the cable and light if faulty Realign the light refer to the installation manual If the cable is okay replace the N100 Z motor driver None of the light
110. nit is producing bad quality images first make sure that the user is positioning the patients correctly For information on how to position the patient refer to the User s Manual A badly aligned unit If patient positioning is correct check the alignment of the unit For information on how to align the unit refer to the Installation and set up manual The CCD sensor Calibrate the CCD sensor Refer to the Installation and set up manual Service manual 200569 115 5 Service Assistant and Service Functions Cranex Novus 5 Service Assistant and service functions 5 1 Using the Service assistant The Service Assistant Utility includes a number of functions that allow the unit to be tested and configured during installation set up and service Note that software cannot be downloaded using the service assistant To open the Cranex Service Assistant 1 Switch the unit and PC on and then open Digora for Windows or the dental imaging software you are using 2 Press Alt Ctrl Shift T to open the Digora Service Assistant Awarning will appear click OK The Digora Service Assistant window will appear 3 In the field at the bottom of the Digora Service Assistant window key in s case sensitive Press the Enter key The Cranex Novus service terminal will appear 4 Inthe field at the bottom of the Cranex Novus service terminal key in help or h lower case gt or h 116 Service manual 20056
111. nment NOTE is the mains voltage prior to application of the test level Service manual 200569 A 13 Appendix A Technical Information Cranex Novus Guidance and manufacturer s declaration electromagnetic immunity The CRA 1 is intended for use in the electromagnetic environment specified below The customer or the user of the CRA 1 should assure that it is used in such an environment Immunity IEC 60601 test Compliance Electromagnetic environment guidance test level level Portable and mobile RF communications equipment should be used no closer to any part of the CRA 1 including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance Conducted 3 Vrms 3V RF 150 kHz to 61000 n 80 MHz 12 80 MHz to 800 MHz d 2 34P 800 MHz to 2 5 GHz Radiated where P is the maximum output power rating RF Vim 3 V m of the transmitter in watts W according to the IEC 61000 90 MHz to transmitter manufacturer and d is the 4 3 2 5 GHz recommended separation distance in metres m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey Should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol t NOTE 1 At 80 MHz and 800 MH
112. noi 42 s19 AS LU 9001 Ago m si ioe 9001 9001 aNod 92 2 zm 4 Si iogr Ze 905550 AG AS 74 Ags 001 zz 5 ar BP Aga Y71080 8 900 _ 2108 y 55 3 co AS NL x ico 905550 Service manual 200569 46 Cranex Novus 3 Circuit Boards L300 3 Phase Microstepper Driver eo i Loer 200470R1 o A Service manual 200569 47 3 Circuit Boards L400 CPU Board Cranex Novus 3 4 L400 CPU Board Pt no 200398 L400 Location In rotating unit on the the CCD sensor side To access remove side cover left and the EMC shield see section 7 1 L100 Z Motor Driver L600 Control Panel L700 Interface Board Behind the unit L400 Field replaceable parts None 48 Service manual 200569 Cranex Novus L400 Description 3 Circuit Boards L400 CPU Board The CPU board controls the unit It controls the rota tion and Z movements the operation of the X ray tube and reads the signals from the control panel It uses an embedded microcontroller on an Altera Cyclone FPGA circuit The board also has an Ethernet transceiver for PC connection I O buffers and a 14 bit A D converter The image bits are saved in an SDRAM L400 Indicator LEDs LED D1 D2 03 04 06 L400 Connectors 14 16 18 20 15 17 19 21 22 23 24 25 26 34 36 38 27 28 29 30 Colour gr
113. oard Behind the unit Service manual 200569 25 26 3 Circuit Board L100 Z Motor Driver Cranex Novus L100 Field replaceable parts Fuse F1 NOTE The fuses used MUST be the approved type UL listed and CSA certified Approved fuses for units rated 230VAC 2AT 250VAC Cooper Bussmann MDL 2 or SIBA ELU 70 065 65 for units rated 115VAC 4AT 250VAC Cooper Bussmann MDL 4 or SIBA ELU 70 065 65 Dimensions 6 3 mm x 32 mm L100 Description L100 Z motor Driver controls the AC motor that drives the unit up and down Membrane switches on the side of the vertical carriage are used to activate the AC motor The positions of the Z carriage and the Rotating Unit are also monitored by L100 Micro switches at the top and bottom of the column monitor the upper and lower positions of the Z move ment Based on the logic on the circuit board the move ment of the AC motor is enabled or prohibited Three triacs control the Z motor currents Outputs are opto coupled from the user inputs with TLP3063 circuits The board also includes light controls for the laser position ing lights Service manual 200569 3 Circuit Boards L100 Z Motor Driver Cranex Novus L100 Block diagram dois AouefBeu3 LvZ 1Vvv 95 Jojou 7 30153 OVA 022 9 4 eur diuum INOLLOSZ uonisod seues 9Hy S9U9IIMSOJO N COV VOV 21 041002
114. one of the fuses on L200 have blown Error E 11 CCD error 112 CAUSE Supply voltages to the CCD sensor were not within tolerances during imaging SOLUTION Check the condition of all the cables and connectors to from the CCD sensor Check the voltages on L200 by checking the reference LEDs If in doubt measure the voltages from the test points Note that the voltages are on only during exposure so you either have to connect a jumper to J203 on L200 or use the service command dc Service manual 200569 Cranex Novus 4 Troubleshooting Error E 12 CCD error CAUSE The image data flow from the CCD sensor to L400 was interrupted during the exposure SOLUTION Refer to the trouble shooting information given in error code E11 Error E 13 CCD error CAUSE Problem with image capture on the CPU board L400 SOLUTION Refer to the trouble shooting information given in error code E11 4 5 Problems after exposure Error E 4 Tubehead temperature Service manual 200569 CAUSE A The tube head has over heated SOLUTION A Wait for the tubehead to cool down When the tubehead reaches the right temperature the error message will automatically disappear Note that this could take over 45 minutes Note that you will not be able to clear the error message until the tube head has cooled to the correct temperature If the error message appears even if the unit has not been used a lot switch the unit off and th
115. operate correctly or if an error code appears switch the unit off wait for a few seconds and then switch the unit on again If the unit still does not operate correctly or the error message reappears follow the troubleshooting procedures described here to correct the problem If there is a problem with image transfer close and reopen the dental imaging software and or restart the If the unit malfunctions or if it is used incorrectly an error code will appear on the main control panel There are two categories of error code user errors and system errors When an error code appears on the display the unit will stop working The unit cannot be operated while the error code is on the display To clear an error code from the display correct the error and then press any key on the main control panel NOT the side control panel NOTE Error E18 L600 Control panel failure can only be seen on the service assistant Checking circuit boards Service manual 200569 Circuit boards cannot be repaired in the field On some boards some fuses can be replaced But if a board is faulty replace it On most of the circuit boards there are indicator LEDs that allow the operation of the board to be monitored and test pins TP that allow the operation of the board to be checked LED and test pin descriptions for each circuit board are in the section 3 Circuit Boards Use a digital multimeter DMM when checking
116. or Windows or the dental imaging program being used is closed and then copy the new firmware and s2terminal files into the new folder The firmware file is novus srec and the s2terminal files required to transfere the files to the unit are s2terminal exe Version 1 1 or later s2 dll Version 1 1 or later W32N50 dll From Windows Select Start Run and then type into the Open field cmd and click OK The Command Prompt window will appear Go to the folder where the new firmware and s2terminal files are located Type lt s2terminal gt into the command prompt to see the instructions for the command syntax 127 6 Updating the firmware and the core Cranex Novus 128 4 Start the s2terminal program using the IP address of the unit Type lt s2terminal 194 9 227 251 gt starts the s2terminal for a unit with the IP 194 9 227 251 and press Enter If the IP address is correct and the s2terminal program is able to connect to the unit the following terminal output will appear as follows C Novus gt s2terminal 194 9 227 251 S2Terminal v1 1 or above Software version X XX Core version XX Serial number VXXXXXX Or Using the unit control panel press the TEST and TMJ buttons simultaneously You have 40 seconds to complete the task In the Command Prompt window type lt s2terminal 194 9 227 251 gt Press Enter this will start the s2erminal and configure the IP address to 194 9 2
117. or products with the UL Classification Mark and EN 55011 standards Conforms with the regulations of DHHS Radiation Performance Standard 21CFR Subchapter J Safety according to IEC 60601 1 Protection against electric shock Class 1 Degree of protection Type B applied with no conductive connection to the patient Protection against the ingress of liquids IPX 0 Disinfection methods mild soapy water non abrasive non alcohol based disinfectant for the the chin rest disposable plastic covers for bite piece chin rest and lip support For use in environments where no flammable anaesthetics nor flammable cleaning agents are present Mode of operation continuous operation intermittent loading Unit description A dental panoramic x ray units with a high frequency switching mode x ray generator The unit takes panoramic exposures The unit uses a CCD sensor as an image receptor Generator TUBE KL40 0 5 70 D 058 or OX 90 FOCAL SPOT 0 5 mm IEC 60336 1993 TARGET ANGLE Tube ja x y TARGET MATERIAL Tungsten Service manual 200569 A 1 Appendix A Technical Information Cranex Novus OPERATING TUBE POTENTIAL Panoramic imaging 60 and 70 kV 5 kV OPERATING TUBE CURRENT 7 1 mA NOMINAL ANODE INPUT POWER 490 W nominal at 70 kV 7 mA MAXIMUM TUBE CURRENT 7 mA MAXIMUM ANODE OUTPUT POWER 600 W nominal nominal at 75 kV 8 mA 0 1 s REFERENCE TIME PRODUCT 7 mAs at 60 kV
118. ors the state of the membrane switches converts the signals from parallel to serial and sends them to the CPU board via the SPI Serial Pheripheral Interface An 8 bit LED display driver controls three 3 4mm x 2 4mm seven segment displays and several indicator LEDs L600 Indicator LEDs LED Colour Indicates D2 red green PC LED Green connection Red No connection Orange Data transfer D3 red green PC LED As above D4 red green PC LED As above D5 red green PC LED As above D6 green Tube voltage 60kV D7 green Tube voltage 70kV D8 green TMJ imaging D9 green Patient size child D10 green Patient size adult D11 green Drive rotating unit to the PIO position D12 green Test program without x rays L600 Test Points Number Description Value TP GND OV L600 Connectors J601 Pin Signal Description 1 CS Chip select 2 GND GND 3 SCLK SPI clock 4 GND GND 5 MOSI SPI signal 6 GND GND 7 MISO SPI signal 8 GND GND 9 BEEP Beeper control 10 5V Power supply 74 Service manual 200569 Cranex Novus 11 12 13 14 15 16 in 5 0 Readylight GND DIG4 GND 5V RETURN2 J602 Signal TEST RETURN1 kV PATIENT SIZE TMJ GND Service manual 200569 3 Circuit Boards L600 Control Panel GND Cathode voltage of the LEDs GND Power supply Return membrane switch side control panel Description Test key pressed Return key pressed Voltage selection key pr
119. ovus WARNING X rays are generated when this test is car ried out PROTECT YOURSELF FROM RADIATION 1 Connect the probe of a DMM to test pin TP18 mAfb and the probe to TP17 GND on the Gen erator board Select service command exp and an exposure time of 2000 ms refer to section 4 Service assistant and service functions in this manual Protect yourself from radiation and take an expo sure Check the feedback values from the DMM The feedback values must be within the tolerance Selected mAfb V Tolerance V 7 2 0 2 1 8 2 2 If the value is not within the tolerance recalibrate the Generator board see section 5 2 Service Com mands the calib commano Beam alignment test Check the beam alignment Refer to the Installation and set up manual for information on how to do this Ground test Disconnect the unit from the main power supply before carrying out this 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 ohm Service manual 200569 Cranex Novus 1 General information Motor movements Switch the unit off and then manually rotate the rotat ing unit to check that all the stepper motor moves freely and without any looseness Switch the x rays off and then take an exposure to check that the motors operate smoothly and w
120. q 0990 Ag e lt 099 9 lt AS96 HOLIMS SOWd VNV 995 ASL lt HOLIMS SOWd 9 ny 4815 2v 104 eBeyoa NON 30153134 AOVLIOA OV 420Ig 0021 37 Service manual 200569 3 Circuit Boards L200 CCD Power Supply Cranex Novus L200 Indicator LEDs LED Colour Indicates D1 green 5 0VD1 on D2 green 5 0VD2 on D3 green 3 3VD_CCD on D14 green 15V on D15 green 3 0V CCD on D16 green 5 0V_CCD on D23 green 3 3V CCD on D33 green 15V_CCD on L200 Test Points Number Description Value TP1 GND logic OV 2 24V 24V TP5 5 0VD1 TP6 GND logic OV TP7 3 0V_CCD TP8 5 0V_CCD TP9 3 3V TP10 8V RAW TP11 5 0VD2 TP12 15V TP13 FAN VOLTAGE gt 20V TP14 3 3V_CCD TP16 CCDENA 5V on OV off 17 9 4V_CCD TPIS U_IN Between 2 2V and 2 8V L200 Connectors J201 Pin Signal Description 1 5 0VD1 Supply voltage L400 CPU 2 GND GND logic 38 Service manual 200569 Cranex Novus Pin 1 4 15 16 5 6 7 8 9 10 11 12 13 14 3 4 Not used Pin J202 Signal GND 3 3V_CCD 15V_CCD 3 0V_CCD 9V_CCD 5 0V_CCD J204 Signal 5 0VD2 GND 3 3V_CC
121. r voor voor 269 ET ST oas so as ia ERE 1 a d 3809 8 AL AS I SBSISN7 e ast 5001 341 9 ceu anzz 4 660 5 58 i OND 11009 N ie zin a ih gl 380276 AS ul m e I acs a vor e 182 iia 682 ERE 1 CACH AS E SILBSISNT mms 25007 90 NS 001 100 5 69 Be es ES UNS 1 1100 z 1 5027 AS H0123NNO3 N3MOd AOS 4 4 mE AG 59 Service manual 200569 Cranex Novus t Boards L400 CPU Board ircui 3 C Ov co7cr 2 AOS 619 soogaizwie 6c cozr ce ee e ele e o ge eozr M 9 02 ja jo 9 5 5 2 l Pe l fe jo 2 atisezexatee YNI zg gu z mm X19 lt 007 M3MOdd 26 110 04 VN3099 18 8027 HINO Old 205425 022 901 OXL 06 lt 007 0110 Old X19 101 60 007 61NO 39VWI 2 027 Sm 4 81007014 L sin 33S Ol 1 wna ol e
122. replaceable parts None 44 Service manual 200569 Cranex Novus 3 Circuit Boards L300 3 Phase Microstepper Driver L300 Description L300 controls the 3 phase stepper motor that drives the Rotating Unit The board receives in three control sig nals clock dir and ena It produces phase voltages for the stepper motor windings L300 Indicator LEDs LED Colour Indicates D1 green 5V on D2 green 24V on L300 Test Points Number Description Value 1 GND OV TP2 VREF 0 97V 0 1V when HICUR 1 1 95V 0 1V when HICUR 0 default value CLK 5V freq lt 15kHz TP4 ENA 5V active OV idle TPS DIR 5V when idle or when moving to the PIO posi tion OV when driving to end position TP6 PGND OV L300 Connectors J301 Pin Signal Description 1 3 24V Power supply PGND Power GND 7 9 11 13 15 GND GND logic 8 HICUR High current selection 10 CLK Stepper motor clock 12 DIR Stepper motor direction 14 ENA Stepper motor enabled 16 5V Power supply logic J302 Pin Signal Description 1 Phase 1 Stepper motor driver s phase voltages 2 Phase 2 Stepper motor driver s phase voltages 3 Phase 3 Stepper motor driver s phase voltages Service manual 200569 45 Cranex Novus iver tepper Dr ICros t Boards L300 3 Phase Mi ircui 3 C
123. rface Board Pt no 200401 L700 Location At the rear of the column near the base To access re move the cover from the front of the column L100 Z Motor Driver L600 Control Panel L700 Interface Board Behind the unit L700 Field replaceable parts None Service manual 200569 79 3 Circuit Boards L700 Interface Board Cranex Novus in TJ TJ 80 L700 Description L700 serves as an external interface to the outside en vironment The Ethernet cable that goes to the PC and the exposure button cable are connected to this board L700 Connectors J701 Signal Description EXPSW Exposure switch READYLT Ready light EXPLT Exposure light GND GND NOT USED GND GND J702 Signal Description EXPSW Exposure switch EXPSW LOCK Exposure switch J703 Signal Description EXPSW LOCK Exposure switch READYLT Ready light EXPLT Exposure light GND GND NOT USED GND GND J704 Signal Description EXPSW LOCK Exposure switch READYLT Ready light EXPLT Exposure light GND GND NOT USED GND GND Service manual 200569 Cranex Novus Pin Signal 1 TPO 2 TPO 3 1 4 5 6 TP1 T 8 Pin Signal 1 2 3 TP1 4 5 6 TP1 T 8 5 Service manual 200569 J705 J706 3 Circuit Boards L700 Interface Board Description Ethernet twisted pair 0 Etherne
124. rvice Functions Cranex Novus 126 still image exposure Generates x rays and activates the CCD sensor but the the rotating unit does not move It is used to check the beam alignment during unit installation refer to the Installation manual for more information CAUTION Protect yourself from radiation when carrying out this procedure Press and hold the exposure switch to take a still image exposure NOTE The exp command described earlier generates x rays but does not activate the sensor or move the rotating unit tubehead warmup before first use Initializes the tubehead Must be used when the unit is installed or if the unit has not been used for a long time CAUTION Protect yourself from radiation when carrying out this procedure Press and hold the exposure switch until the procedure is complete The procedure may take some minutes Service manual 200569 Cranex Novus 6 Updating the firmware and the core 6 Updating the unit firmware and the core 6 1 The unit firmware Service manual 200569 Whenever a new version of the unit firmware is released Soredex Technical Support will make this information necessary and supply the necessary files The firmware in the unit can only be updated using the Soredex Service Teminal s2terminal program The firmware cannot be updated using the DfW Service Assistant 1 Create a new folder in the PC connected to the unit Make sure that Digora f
125. s come on CAUSE The emergency switch has been pressed down NOTE LED D4 ESTOP on on L100 will come on when the emergency switch is pressed down SOLUTION A Turn the emergency switch clockwise to release it CAUSEA N100 Z motor driver is faulty SOLUTION B Check that N100 Z motor driver is functioning by measuring the PLENA signal J116 pin 4 O gt 5VDC Replace N100 Z motor driver if it is not functioning correctly NOTE When LED D1 on N100 Z motor driver is on it indicates that the board is receiving 5VDC from N200 CCD power supply If the LED D1 is not on there is a power supply problem CAUSE B Unlikely All the lights are faulty SOLUTION B Replace all the lights they are connected to N100 Z motor driver and then realign them Refer to the installation manual 106 Service manual 200569 Cranex Novus 4 Troubleshooting NOTE If the lights come on when the mirror is opened but not when the light key or one of the up down keys on the side control panel is pressed then the up down membrane switch cable is faulty and must be replaced Note that the lights will automatically switch off after 30 seconds If the lights come on when the light key or one of the up down keys is pressed but not when the mirror is opened the mirror microswitch cable must be changed Up down Z motor keys do not work Service manual 200569 CAUSE A The emergency switch has been pressed down NOTE L
126. show the DAP after exposure or not 1 2 Allows the DAP value to be set so that it will either appear or not appear on the display after an exposure lt 1 gt default DAP value will appear lt 2 gt DAP value will not appear takes dark current image dc dark current Is used to check if the CCD sensor camera is working Press the Return key to start the check During the check a series of values will appear in the service assistant window When the check is complete the text CAMERA stop will appear and then an image When the sensor is working correctly the vertical centre of the image will be slightly gray because of noise NOTE If an image does not appear then the CCD sensor is faulty endurance test drives rotating unit 75 rounds Automatically drives the rotating unit through 75 rotation cycles No radiation in generated during rotation This command is used during factory testing exposure lt time gt in milliseconds default is 1000 Generates x rays The CCD sensor is not activated and the the rotating unit does not move It is used to check the beam alignment during unit installation refer to the Installation manual for more information and to trouble shoot the tubehead and generator board CAUTION Protect yourself from radiation when using this function The default exposure time is 1000 ms when exp is keyed in If you wish to have a longer exposure time key in exp and them enter
127. t twisted pair 0 Ethernet twisted pair 1 NOT USED NOT USED Ethernet twisted pair 1 NOT USED NOT USED Description Ethernet twisted pair 0 Ethernet twisted pair 0 Ethernet twisted pair 1 NOT USED NOT USED Ethernet twisted pair 1 NOT USED NOT USED 81 Cranex Novus t Boards L700 Interface Board ircui 3 C indino joubis indino 1 yoojAay ainsodxy 455 22 1 por t co 6 107 0077 1 1077 7 x maxi EHI 1 mava z iozr Eo MSdX3 e yndul joubis por 1 772 VOT 4 id 20451892 puondo 207 SOLHN 0 WIS 8 807 MG r ni 1 907 gg mm 9 907 ws 0N5H13 E 5 a Y 8907r 80 u Z 907T 93 E as 1 1 9077 eam x me 109 pasnun jaujeuis oe J0 SIS J UO DU WIa Zia 7 50 ad 9 60 n 5 50 MG mem a 3 607 idl sg r O0dl 7 60 4041 1 50 7 indino 1901923 jndui 19049013 Service manual 200569 82 Cranex Novus 3 Circuit Boards L700 Interface Board 200473 R1 1 g Service manual 200569 83 3 Circuit Boards
128. tepper motor rotation and the exposure sequence L500 Block Diagram kvfB kvfB out swing 0 5V swing 1 25V 3 75V mafB mafb out swing 0 5V swing 1 25V T3 75V tubeheat tubeheat out swing 0 5V swing 1 25V 43 75V 7T mA ref voltage level MA_pwm gt converter gt preh_2 from ref gt s5vto isv kV pwm estop gt eXpsW gt control Ss expena expon lse tdiclk gt Voltage level gt tdiclk out pues e gt txd out from ppower gt 5V to 33v gt ppower out L500 Test Points Number Description Value GND OV TP2 GND OV 64 Service manual 200569 Cranex Novus y 5 11 12 13 14 15 16 17 18 19 20 5 T UON 0 X L500 Connectors J501 Signal TUBEFAIL EXPENA KVPWM GND KVFB GND PREH 2 MAPWM MAFB TUBEHEAT J502 Signal HICUR GND CLK GND DIR ENA 5 0VD2 GND J503 Signal 5 0VD2 5 0VD2 ESTOP PL_ENA ZENA RETURN2 MIRRORSW ZACT PLSW EXPSW GND RDYLT EXPLT GND GND Service manual 200569 3 Circuit Boards L500 Connector Board Description X ray tube failure Exposure enabled kV reference Ground kV feedback Ground Preheat mA reference mA feedback X ray tube s temperature
129. thetic material the relative humidity should be at least 30 Electrical fast 2 kV for power supply 2 kV for power Mains power quality transients bursts lines supply lines should be that of a IEC 61000 4 4 1 kV for input output 1 kV for typical commercial or lines input output lines hospital environment Surge 1 kV differential mode 1 kV differential Mains power quality IEC 61000 4 5 2 kV common mode mode should be that of a 2 kV common typical commercial or mode hospital environment Voltage dips lt 5 lt 5 Ur Mains power quality short gt 95 dip in Ur gt 95 dip in should be that of a interruptions and for 0 5 cycle for 0 5 cycle typical commercial or voltage variations hospital environment If on power supply 40 Ur 40 Ur user of the CRA 1 lines 60 96 dip in U1 60 dip in requires continued IEC 61000 4 11 for 5 cycles for 5 cycles operation during power mains interruptions it is 70 96 70 96 recommended that the 30 dip in for 25 cycles 30 dip in for 25 cycles CRA 1 be powered from an uninterruptible power supply or a battery 5 5 gt 95 dip in Ur gt 95 dip in for 5 sec for 5 sec Power frequency 3 A m 3 A m Power frequency 50 60 Hz magnetic field should be magnetic field at levels characteristic IEC 61000 4 8 of a typical location in a typical commercial or hospital enviro
130. tional radiation safety standards and requirements relating to dental x ray equipment When taking test exposures take adequate precautions to protect yourself from radiation Stand behind a suitable radiation shield positioned at least two metres six feet from the unit Service manual 200569 1 1 General Information Cranex Novus Warning Mechanical safety Disconnect the device from the main power supply be fore removing any covers Disconnect the device from the main power supply be fore repairing or replacing mechanical parts or installing accessories Be careful when operating the device 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 yourself The aperture plate in the collimator is made of lead Pb which is toxic Do not touch it with your bare hands Do not open the tubehead There are no serviceable parts mechanical or electrical inside the tubehead Warning Electrical Safety Disconnect the device from the main power supply before replacing circuit boards or other electrical com ponents If there are capacitors on a circuit board or electrical component wait ten 10 minutes after disconnecting the device from the power supply before handling the board or component If you have to leave the device unattended during serv icing or maintenance disconnect the unit from main power supply
131. unit is ready to take an exposure Image acquisition is controlled by a software compo nent Digora Software Driver DSD which is installed in the PC connected to the unit When an exposure is taken L400 the CPU then sends a PPOWER pan and CCDON signal CCDON signal activates linear regulators on L200 which then produce the power supply voltages for the CCD sensor The CPU s control software continuously monitors the status of the connection with the DSD driver After im age exposure but before image transfer the CPU sends a label that includes the imaging parameters kV mA s and an imaging program identifier The CPU enables the IMAGE signal to activate pixel clocking The CPU then produces the TDI clock signal which clocks the pixels from the CCD sensor Derivation of several CCD clock signals from the TDI clock is done by the CCD sensor board Radiation striking the CCD sensor is converted to vis ible light which is detected by the CCD cell A binning procedure is carried out on individual pixels i e two ad jacent pixels in a row and column 2 x 2 binning forms one large pixel 960m x 96um The output voltage of the CCD is fed to a 14 bit A D converter 2 Unit Description Cranex Novus The CCD sensor board sends the image data now 12 bits to the CPU board where they are saved on the SDRAM The image information is transferred to the PC via the Ethernet cable ETHERNET In the PC there is a N
132. z the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicated theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the CRA 1 is used exceeds the applicable RF compliance level above the CRA 1 should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting of relocating the CRA 1 Over the frequency range 150 kHz to 80 MHz field strengths should be less than V m A 14 Service manual 200569 Cranex Novus Appendix A Technical Information Recommended separation distances between portable and mobile RF communications equipment and the CRA 1 The CRA 1 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or the user of the CRA 1 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment

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