Service Manual 03-03
Contents
1. 4 14 3 4 ERC Mectronic HPE Electronic ballast circuit N DERE power Transformer L 2 supply 6 5 GND 220vAC 6 5 4 3 2 1 11 10 9 8 7 f 1 1 2 d 2 1 1 2 2 I 1 2 2 1 1 2 2 LAMP SOCKET 14 i DEAT G CRTECH 15 4 Fuse replacement Turn off the power Disconnect power and USB cables from the 5020s system Figure 4 1 Fuse house Pull out the fuse drawer with the screwdriver Figure 4 2 Figure 4 2 Opening the fuse drawer Replace the damaged fuse with 250V 2 0A 05 x 20mm fuse and close the fuse drawer Figure 4 3 15 CRTECH iNNOwWAFOGNME 16 Figure 4 3 Replacing the fuse 16 5 Power Entry Module PEM replacement 17 Remove two screws from the PEM Figure 5 1 disconnect all cables from the power entry module Figure 5 1b and take the module out Figure 5 1 a PEM s screws Figure 5 1 b PEM s cables Replace the unit with the new one Connect all disconnected cables Tighten all screws 17 iNNOwWAFOGNME 18 6 Power supply units re2. mL LES LOLLLL I SS SEES i rl 4 om i FH lid pe LB dd td TNT FI si pay ass a sapa aty s Figure 11 1 e Replace the controller board with the new one e Connect all cables to the controller 26 A CRTECH 27 12 Laser replacement e Disconnect the power and USB cables from the 5020s system Disconnect laser power cable Release four M3 screws figure 12 1 Figure 12 1 e Replace the laser with the new one e Tighten four M3 screws 27 28 13 Encoder 13 1 Encoder removal Disconnect the power and USB cables from the 5020s system Release two MG screws from the encoder cover Figure 13 1 1 Figure 13 1 1 e Remove two M2 5mm cap socket head screws from static optical encoder module Figure 13 1 2 Figure 13 1 2 28 CRTECH e Remove encoder wheel set screw with 0 9mm 0 035 flat screw driver Figures 13 1 3 13 1 4 13 1 5 29 Figure 13 1 3 Figure 13 1 4 29 e Y D Figure 13 1 5 e Remove the encoder wheel Attention The encoder wheel is very flexible and soft Handle it carefully 30 cRTECH 31 13 2 Encoder adjustment Place the encoder wheel on the main polygon shaft USE O
3. SYSTEM Service Manual Ver 040608 CR Tech is marketing the CDCR5020s an innovation in the field of compact desktop portable Computed Radiography Technologies designed for low volume clinics CR Tech designs manufactures and markets phosphor image laser readers These units replace the existing traditional x ray film The readers allow the user to almost immediately read the x ray image from the phosphor plate and transfer it to a digital format and allows to be used with known protocol as DICOM 3 Digital Imaging communication in medicine Once transferred to a digital format users can manipulate the digital image for zoom in or transmit it via any known available media wired or wireless for long distance consultation After each scan the phosphor plates are erased in the special compartment ready for re use The number of re using times is the highest in the market due to the fact that no one touches the phosphor plates CR Tech provides clients with a reader that is integrated and tested with third party viewers with or without database software that are giving a full reading station solution This solution is compatible with compact clinics or large environment that uses Picture Archiving and Communications System PACS The company s mission is to serve the market of CR with compact solutions and become a leading provider Our units can be used by medical mobile military industry veterinary markets W
4. 7 6 Power supply units replacement 000 00112 18 6 1 SV power SUPPLY 18 6 2 12 power SUPPLY 19 7 DC to DC 12V converter replacing 2 2 20 8 Zero sensor board replacement 000112 21 9 LEDs board replacement 1000 1 22 10 USB board meme 24 11 Controller board replacement 0 0 0 00111 26 12 Laser replacement 27 BD ovi 28 13 1 Encoder removal 0 0000000000e rns 28 13 2 Encoder adjustment 0 0 0 0000011 31 13 3 ED IvIIDgilriFdilcdqE 35 14 Optical Module 0 37 15 V Belt tightening 39 Safety Instructions LIFTING HAZARD CDCR5020s reader weighs 35 Kg 75 Ib Do not try to lift the reader by yourself Always seek assistance from another person Lifting equipment that is too heavy may result in serious injury to personnel and or damage to equipment WARNING CDCR5020s reader is a CLASS 1 Laser product Do not remove the reader cover Cover removal should be d
5. Copper Strip Phantom and Uniformity calibrations after encoder replacement as described in Installation Guide 36 37 14 Optical Module replacing e Remove the CR Reader cover paragraph 1 Unplug the following cables figure 14 1 Encoder board cable 2 Driver cable 3 Laser cable unplug from the controller Driver cable Laser cable pte Figure 14 1 37 cnTECH 38 e Release the four M5x16 Allen screws figure 14 2 Figure 14 2 Replace the bridge carefully e Connect the cables 38 cRTECH 39 15 V Belt tightening e Find the V Belt and the Linear Motion Stepper motor Figures 2 2 mechanical parts 15 1 Figure 15 1 39 P MOO W aT CRTECH 40 e Using M5 Allen key tighten the 2 left screws which are connecting the Linear Motion Stepper motor to the CR Reader body figures 15 2 15 3 Attention Tightening the V Belt too much can cause artifacts on the image 40
6. NLY HEDS 9140 OPTICAL ENCODER MODULE AND HEDS 5140 ENCODER CODEWHEEL figure 13 2 1 13 2 2 Figure 13 2 1 Figure 13 2 2 31 CRTECH 32 e Place the encoder optical module so that the encoder wheel is in the middle of the encoder module slot figure 13 2 3 Figure 13 2 3 e Tighten the encoder wheels set screw and lightly tight the two encoder module cap socket head M2 5mm screws e Place the encoder calibration device so that the device pins will fit into the encoder optical module calibration holes Figure 13 2 4 13 2 5 and the encoder wheel set screw fit in figure 13 2 6 Figure 13 2 4 32 CRTECH B MO W aT H 33 Figure 13 2 5 Figure 13 2 6 33 B i Q w F G CRTECH 34 Tight the encoder optical module screws and remove the encoder calibration device figure 13 2 7 Figure 13 2 7 34 ER i NOWATONH CRTECH 35 13 3 Encoder final check With the oscilloscope check the output waveforms in the following points during nominal rotation 15 RPS 1 Channel B 2 Vcc 3 Channel 4 Index 5 GND IEDS 3040 2 3 5 Figure 13 3 1 35 CRTECH 36 e The output waveforms should be as on Figure 13 3 2 when Amplitude 5V Channel A B frequency 30000 Hz Index frequency 25 Hz Output Waveforms INDEX AMPLITUDE Figure 13 3 2 Attention Don t forget to perform the
7. chain Florescent lamp connectors Figure 2 4 Erase lamp area 10 2 5 Cassette Holder section 11 Plate elevating flaps Cassette Holder module PVC flaps elevating guides PVC cassette guides Figure 2 5 Cassette Holder section 11 3 lamps section 3 1 Erasing Lamps replacing e Replace the burned lamp with new fluorescent lamp OSRAM L15W 20 or compatible place the lamps holder on its place and close the four screws 12 Recommendation Replace all four lamps at a time for easy maintenance 3 2 Electronic ballast circuit replacing e Release all wires Figure 3 1 3 2 a spite ra di Figure 3 2 Electronic ballast wires MECTRONIC Release two M3x12 Allen bolts tightened with the nuts and replace the unit with the new one UNIQTRONIC Part No CLT 418 T8S or MECTRONIC Cod 696929 952 or use only ballast with the same catalog number Figure 3 3 hi 34 Figure 3 4 Electronic ballast screws MECTRONIC Tighten two screws and connect the wires 12 13 3 3 Uniqtronic Electronic ballast circuit GND Electronic Ballast Lamp mi 2 9 Ja 13 0 3
8. e Release two M3 screws and remove the metal adapter figure 9 2 9 3 9 4 m Figure 9 2 22 23 Figure 9 3 EJ dr as Figure 9 4 M3x10 screws M3 washers Led s board M3x2 4mm plastic spacer Led s board adapter M3 washers M3 spring washers M3 nuts Eu S Replace the board and tighten all screws Connect the cable 23 crrEcH 24 10 USB board replacement e Disconnect the power and USB cables from the 5020s system e Disconnect the cable from the board Release two M3 screws and remove the board with the metal adapter Figure10 1 dama Figure 10 1 e Release two M3 screws and remove the metal adapter Figure 10 2 10 3 10 4 Figure 10 2 24 Figure 10 3 AR M3x10 screws M3 washers Led s board M3x2 4mm plastic spacer Led s board adapter M3 washers M3 spring washers M3 nuts l 2 3 4 5 6 7 8 Replace the board and tighten all screws e Connect the cable 25 11 Controller board replacement Disconnect the power and USB cables from the 5020s system e Disconnect all cables from the controller board Release six M3 screws Figure 11 1 HUE Mu Rt gt g Cm TES TE EF 1 LESEN III ds mam gi ipia
9. e are committed to assisting our customers in obtaining maximum value from CR TECH products by providing excellent support at exceptional value Technical Support USA i Tel 1 631 289 7333 Fax 1 631 289 5753 E mail tech support 2 crtechusa com Document Part Number 2008 CR 03022008 Table of Contents Contents Sl in LI A A NOU 4 1 Removing the machine cover 6 5 2 System Modules LEE EEE 7 2 1 Top view without cover 7 2 2 Mechanical Mc LEE 8 EU uoce asian EGE aes 9 2 4 MEM c HR 10 2 5 Cassette Holder section li 11 3 Erase lamps section MEET e 12 3 1 Erasing Lamps replacing usse 12 3 2 Electronic ballast circuit replacing 12 3 3 Uniqtronic Electronic ballast circuit 2 13 3 4 Mectronic HPE Electronic ballast circuit 14 SN uuu uuu u uuu E GA 15 5 Power Entry Module PEM replacement 1
10. one only by authorized trained service personnel Laser Safety Instructions 1 During normal operation the optical compartment should always be enclosed in its protective cover This will prevent the outside area from being exposed to laser light 2 During normal operation the cover should not be removed CLASS 1 Removing the cover should only be done for service purposes Laser product by trained service personnel NOTE ALLWAYS USE LocTiTE 84 WHEN TIGHTENING SCREWS CRTECH iNNOWAFOMIAE 5 1 Removing the machine cover e Disconnect the power and USB cables from the 5020s system o 0 11 I i Figure 1 1 Figure 1 2 Release the four screws of the cover with 3mm Allen key for M4 screws As described in figures 1 1 and 1 2 then carefully open the CR Reader cover 2 System Modules 2 1 Top view without cover stepper motor iNNOwWAFOGNME Figure 2 1 Top view 2 2 Mechanical parts Laser tightening strip am hi L ZELIIRBAEM CRTECH Figure 2 2 Mechanical parts 2 3 Electronics Internal USB cable Power entry 4 module Power supply Zero sensor board Controller board t 12V DC to DC converter E AV 1 Lu Motor rotation board ER P NO W ATOM B 10 Figure 2 3 Electronics 2 4 Erase lamp area Florescent lamp connectors Electronic ballast Plastic
11. placement 6 1 SV power supply e Find the 5V power supply Figure 2 3 Remove all cables from the unit Release two bolts Figure 6 1 Figure 6 1 18 19 6 2 12V power supply e Find the 12V power supply attached to the right panel under the optical module Remove all the cables from the unit Release two M3 bolts Figure 6 2 Figure 6 2 19 7 DC to DC 12V converter replacing Find the 12V DC to DC converter figure 2 3 Remove all the cables from the unit Release four bolts figure 7 1 Figure 7 1 e Replace the unit with the new one Tighten all the bolts and connect all the disconnected cables Close the CR Reader cover 20 21 8 Zero sensor board replacement e Disconnect the power and USB cables from the 5020s system CR Reader cover figure 1 1 1 2 e Disconnect the cable from the board e Release two screws figure 8 1 M3 screws Figure 8 1 Lu 2584 E v TE a A sti si r V Figure 8 2 e Replace the zero sensor board with the new one e Connect cable to the zero sensor board 21 CRTECH Tighten all screws 9 LEDs board replacement e Disconnect the power and USB cables from the 5020s system e Disconnect the cable from the board e Release two M3 screws and remove the board with the metal adapter figure 9 1 Figure 9 1
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