OREX PcCR 1417 Service Manual
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OREX PcCR 1417 Service Manual

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PcCR 1417 ACL4 System
Automatic Cassette Loading
Version
Service Manual
Catalog number: AT095045-00
January, 2003
Ver. 01

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Summary of Contents for OREX PcCR 1417

  • Page 1 PcCR 1417 ACL4 System Automatic Cassette Loading Version Service Manual Catalog number: AT095045-00 January, 2003 Ver. 01...
  • Page 2 The company’s mission is to become a leading provider of compact personal CR systems. Following the successful penetration of the global dental market, the company changed its name from Digident to OREX and expanded its markets and product lines to serve the dental, medical, military, industrial and veterinary fields.
  • Page 3 Safety Laser Safety Instructions 1. During nominal operation, the scanner is closed and sealed with a protective cover. That is for preventing the laser from being exposed to the outside area, and to prevent access to the laser by the user. 2.

  • Page 5: Table Of Contents

    Table of Contents Terms and Conventions..............1-1 Maintenance and Service ............2-1 General ....................2-1 Service Report ..................2-1 Preventive Maintenance ..............2-1 2.3.1 Cleaning the Rollers ............... 2-1 Service Operations ................2-2 2.4.1 General ................... 2-2 2.4.2 Removing the Cover............... 2-3 2.4.3 Removing the bottom service panel ........
  • Page 6 3.3.1 Location.................. 3-1 3.3.2 Component ................3-1 3.3.3 Description ................3-2 Sensor Board ..................3-4 3.4.1 Location.................. 3-4 3.4.2 Component ................3-4 3.4.3 Description ................3-5 Erase lamps board ................3-7 3.5.1 Location.................. 3-7 3.5.2 Component ................3-7 3.5.3 Description ................3-8 Laser ....................
  • Page 7 3.13.1 Location................3-22 3.13.2 Component ................. 3-22 3.13.3 Description ................. 3-23 3.14 12V/5V power supply ..............3-24 3.14.1 Location................3-24 3.14.2 Component & Description ..........3-24 3.15 12V power supply ................3-25 3.15.1 Location................3-25 3.15.2 Component & Description ..........3-25 3.16 Erase Lamps ..................
  • Page 8 List of Figures Figure 1: Component Description – Block Diagram ..............3-2 Figure 2: Attaching The Cleaning Tray ..................6-1 Figure 3: The Cleaning Strips ....................6-2 List of Figures...

  • Page 9: Terms And Conventions

    1. Terms and Conventions The following abbreviations are used throughout this manual: Term Meaning Field Service Engineer Photo-Stimulable Phosphor Universal Serial Bus Terms and Conventions...

  • Page 11: Maintenance And Service

    For the required tools, please refer to Appendix A. 2.2 Service Report With the completion of any servicing procedure, photocopy the Service Report in Appendix B, fill it out, and send it to the Orex service department at the following: Israel:...

  • Page 12: Service Operations

    If a person who is not an FSE authorized by Orex conducts any operation described in this chapter, it will cause the warranty for the PcCR 1417 to be considered null and void. After any service operation, a report must be filled out and sent to the Orex service department.

  • Page 13: Removing The Cover

    2.4.2 Removing the Cover For any service operation, the cover of the scanner must be removed. After the service operation is finished, the cover must be secured back to the scanner. Before removing the main cover, it is necessary to remove the back service panel. 2.4.2.1 Service Panel Locate the service panel at the rear of the system...
  • Page 14 2.4.2.2 Main Cover The cover is secured to the system with eleven Philips screws around the base of the system When opening the cover, do not place the scanner on its back (bottom-side up). Pull the system to the edge of the table and open the screws on the bottom.
  • Page 15 Position scanner as shown to remove the screws from the bottom. This method will prevent damage to the cover. Maintenance and Service...

  • Page 16: Removing The Bottom Service Panel

    2.4.3 Removing the bottom service panel Place the system on its back (bottom-side up). Remove the screw attaching the bottom panel to the system (marked with “A”) Slide the bottom panel upwards and remove it from the system. Maintenance and Service...

  • Page 17: Replacing Usb Board

    2.4.4 Replacing USB board Open the back panel Remove the 2.5mm Allen screws that secure the USB bracket. Gently pull out the USB board. Disconnect the cables leading to the back of the USB board. Maintenance and Service...
  • Page 18 Place the new USB board. Re-connect the following connectors: 1) Flex cable 2) Power cable 3) Flat cable Push the USB board back to its place and secure with the Allen screws. Maintenance and Service...

  • Page 19: Replacing The Motion Board

    2.4.5 Replacing the Motion board Open the back panel. Remove the 2.5mm Allen screws at the left side of the Motion Board bracket. Gently pull out the Motion Board. Disconnect the cables from the Motion Board. Maintenance and Service...
  • Page 20 Pull out the Motion Board and replace it with the new one. Connect the cables and secure the bracket with the Allen screw. 2-10 Maintenance and Service...

  • Page 21: Replacing The Sensor Board

    2.4.6 Replacing the Sensor board Remove the four M3x6 Allen screws that attach the sensor board to the system. Remove the board from the system and replace it with the new one. Disconnect the cables from the old board and connect to new board ONE BY ONE.

  • Page 22: Replacing A Locating Sensor

    2.4.7 Replacing a locating sensor Remove the two M2.5x6 Allen screws that attach the sensor bracket to the system. Remove the sensor. Follow the sensor wire until you reach the sensor connector on the sensor board. You may need to cut some tie-wraps along the way.

  • Page 23: Replacing Erase Lamps Board

    2.4.8 Replacing erase Lamps board Disconnect all the cables from the board. Remove the four M3x8 Allen screws that attach the board to the system. Attach the new board to the system. Make sure you placed the plastic isolation cylinders between the erase lamps board and the system.

  • Page 24: Replacing Laser

    2.4.9 Replacing Laser 1. Disconnect the laser cable from the laser board. 2. Remove the two M4x12 Allen screws that attach the laser to the optical head. 3. Remove the laser, and replace it with the new one. 4. Secure the laser with the two M4x12 screws. 2-14 Maintenance and Service...

  • Page 25: Replacing Laser Board

    2.4.10 Replacing Laser board Locate the laser board: 4 connectors 3 screws Disconnect the 4 connectors from the laser board. Remove the 3 screws securing the laser board. Place the new laser in its location, and re-attach with the 3 screws. Reconnect the 4 connectors to the laser board.

  • Page 26: Replacing Pm Board & Pm Assembly

    2.4.11 Replacing PM board & PM assembly Move the optical head to the left, using the Scanner Interface Setup Diagnostic tab. Turn off the power before closing the Diagnostic tab. Disconnect the flex cable from the PM tube. Remove the M3x8 Allen screw that connects the ground wire to the PM board shield.
  • Page 27 Remove the side M4x16 Allen screw that attaches the PM tube to system. Remove the PM tube, and replace it with the new one. Secure with the screws, M4x16 at the side, and M4x14 at the bottom. Connect the ground wire to its place on the PM board shield, and the flex cable to the connector on the PM board –...

  • Page 28: Replacing Rollers Motor

    2.4.12 Replacing Rollers motor 1. Remove the M4 Allen screw on the motor side coupling. 2. Remove four M2x10 that attach the motor to the system, and remove the motor. 3. Disconnect the motor cable from the connectors panel. 2-18 Maintenance and Service...
  • Page 29 4. Insert the new motor to its place. Place the coupling on the motor axis, and mount the motor to its place, by using the four M2x10 Allen screws (there is only one orientation to mount the motor in its place). 5.

  • Page 30: Replacing Loader Assembly

    2.4.13 Replacing Loader Assembly Disconnect the trolley cable from the Motion Board J204 and Loader Sensor cable from the Sensors Board J508. Make sure the cables are free all the way to the bottom of the system; you may need to cut some tie-warps on the way. Turn the system on its back (bottom-side up), and open the service door.
  • Page 31 Pull the trolley down and out, until it is out of the system. Insert the trolley back into the system, and secure with the four M3x8 Allen screws. Route the motor and sensor cables, so that you will be able to pull them from the back of the system.

  • Page 32: Replacing Slide Stepper Motor

    2.4.14 Replacing Slide Stepper motor 1. Remove the M2.5x4 coupling screw. 2. Remove the two M3x6 Allen screws that attach the left limit switch photo sensor, and remove the sensor from the motor bracket. 3. Disconnect the motor cable from the connectors panel. 2-22 Maintenance and Service...
  • Page 33 4. Remove the two M4x10 Allen screws that attach the motor bracket to the slide, and remove the motor from the slide. 5. Place the new motor and bracket on the slide. Attach the coupling on the motor axis and the long screw, and secure the motor bracket with the M4x10 Allen screws.

  • Page 34: Replacing Rotational Motor

    2.4.15 Replacing Rotational motor Disconnect the cables from the Laser and Motor boards. Remove three M3x6 Allen screws that attach the boards’ plate to its place. Remove the two boards with the plate. Remove two M4x12 Allen screws that attach the laser to the rotation motor, and remove the laser.
  • Page 35 Remove three M4x14 Allen screws that attach the rotation motor to the system. Move the slide head to the left by manually turning the long screw, until the big round light protector is in aligned with the drum. Remove the rotational motor from the system, by pulling it back to release it from the holder;...
  • Page 36 Follow the steps in the following images to place the new optical head in the system. Be careful! Do not scratch the mirror during this operation. Secure the optical head to the system with the two M4x14 black Allen screws and one M4x14 silver Allen screw that attaches the ground cable.
  • Page 37 Place the laser on the optical head, and secure it with two M4x12 silver Allen screws; the red mark on the laser and the optical head should be aligned. 10. Place the laser and motor boards in their place, and secure with the M3x6 Allen screws.

  • Page 38: Replacing 15V Power Supply

    2.4.16 Replacing 15V power supply Disconnect the input and output cables from the power supply. Remove four M3x8 Allen screws that attach the power supply to the system. Replace the power supply by the new one, and secure with the screws.

  • Page 39: Replacing 5V/12V Power Supply

    2.4.17 Replacing 5V/12V power supply Disconnect the input and output cables from the power supply. Remove three M3x6 Allen screws that attach the power supply to the system. Replace the power supply by the new one; replace and tighten the Allen screws, and connect the input and output cables.

  • Page 40: Replacing 12V Power Supply

    2.4.18 Replacing 12V power supply 1. Remove two screws that attach the connectors protector and remove the protector. 2. Remove the connectors’ screws, and disconnect the wires from the power supply. 3. Remove three M3x6 Allen screws that attach the power supply bracket to the system, and remove the power supply.
  • Page 41 4. Place the new power supply on the system, and secure it with three M3x6 Allen screws. 5. Connect the cables to the power supply (refer to component description to see the order of the cables) and put the plastic protector on it.

  • Page 42: Replacing Erase Lamps

    2.4.19 Replacing Erase Lamps 1. Remove the slide as described in Section 2.4.21 2. Disconnect the wires that lead from the erase lamps to the converters connectors. 3. Disconnect the blue and black cable that leads from the erase lamps to the white connector in the following image. 4.
  • Page 43 5. Remove two M3x14 Allen screws that attach the erase lamps to the left side of the system. 6. Lift the erase lamps and remove them from the system (you may need to cut some tie-wraps to free the cables). 7.

  • Page 44: Replacing Inverters

    2.4.20 Replacing Inverters Move the optical head to the middle of the drum, using the Scanner Interface Setup Diagnostic tab. Turn off the system before closing the Setup window. Disconnect the cables that going from the erase lamps to the converters.
  • Page 45 Place the new converters on their place, insulate between the converters and the system body with the plastic clips, and secure the converters with the four Allen screws. Connect the cables leading from the erase lamps board to the converters; one cable for each converter, black wire bottom and yellow wire top.

  • Page 46: Replacing The Slide

    2.4.21 Replacing the Slide 1. Move the carrier to the middle of the drum. 2. Turn of the system before exiting the diagnostic mode. 3. Disconnect the slide stepper motor and the left limit switch photo- sensor from the connectors’ panel. 4.
  • Page 47 5. Remove one M4x6 Allan screw (silver) that holds the ground wire to the slide. 6. Disconnect the flex cables from J203 on the motion board and from the USB board. 7. Pull the flex cables from both sides of the system and make sure they are free and will not snag.
  • Page 48 8. Carefully move the slide to the left and remove it from the system. 2-38 Maintenance and Service...

  • Page 49: Component Description

    3. Component Description 3.1 General The PcCR 1417 consists of 16 major assemblies, which can be replaced in the field in case of malfunction: 1. USB Board 2. Motion Board 3. Sensor Board 4. Lamps board 5. Laser Assembly 6. Laser Board 7.
  • Page 50 Sensors Front LED Front LED Front LED Front LED Front LED 5/12V PS 15V PS connector Sensors Sensors Sensors Sensors Sensors Flat 26 pin Flat 12 pin USB Board Motion Sensor USB Board USB Board USB Board USB Board Motion Motion Motion Motion...

  • Page 51: Usb

    3.2 USB 3.2.1 Location Back View 3.2.2 Component Top View Component Description...

  • Page 52: Description

    3.2.3 Description Top View Bottom View Connector 1 Destination: USB connector on pc. Connector 2 Serial EPROM Connector 3 Destination: 5v/12v power supply. J305 Black Yellow Connector 4 Destination: flat cable to J1 on pm card. J300 Connector 5 Destination: flex cable to J200 on motion card. J304 Component Description...

  • Page 53: Motion Board

    3.3 Motion board 3.3.1 Location Back View 3.3.2 Component Top View...

  • Page 54: Description

    3.3.3 Description Top View Bottom View...
  • Page 55 Connector 1 J208 Destination: J500 on sensor card Connector 2 J203 Destination: J401 on laser card. Connector 3 J205 Destination: J1 on front panel led card. Destination: 12v power supply. Connector 4 J213 orange Destination: connectors panel (rollers motor). orange Connector 5 Brown J206...

  • Page 56: Sensor Board

    3.4 Sensor Board 3.4.1 Location Back View 3.4.2 Component Back View...

  • Page 57: Description

    3.4.3 Description Top View J513 J514 J515 J516 J509 J510 J511 J512 J505 J506 J507 J508 J501 J502 J503 J504 J500 J500 connector connects to J208 on motion card. J501 connects to sensor 4 on the drum. J502 connects to sensor 5 on the drum. J505 connects to sensor 1 on the drum.
  • Page 58 Sensor off Brown 5v always (flag not in sensor) White Blue GND always Not in use Note: Measuring voltage: 1. All sensors except J511: measure between pin 2 & 3 and insert object between sensors. 2. For J511 only: measure between pin 2 & pin 3 from different sensor and insert cassette to system.

  • Page 59: Erase Lamps Board

    3.5 Erase lamps board 3.5.1 Location Right-side View 3.5.2 Component Right-side View...

  • Page 60: Description

    3.5.3 Description Top View Destination: J1 ON Lamp Sensor card White Lamp on 0v; lamp off 2.5-5v Green Lamp on 0v; lamp off 2.5-5v Black Destination: J202 on motion card Destination: lamps inverter 1 Yellow Lamps on 15v;lamp off 0v Black Destination: p2 on 15v power supply White...

  • Page 61: Laser

    3.6 Laser 3.6.1 Location Right-side View 3.6.2 Component Right-side View...

  • Page 62: Description

    3.6.3 Description J404 Destination: laser card. Laser On 3.3V Black 3-10...

  • Page 63: Laser Board

    3.7 Laser board 3.7.1 Description Right-side View 3.7.2 Description Front View – Right hand side 3-11...
  • Page 64 3.7.3 Description Top View J404 J402 J403 J401 J401 Destination: J203 on motion card. J402 Destination: encoder reader. Black Index 41±0.5 Hz Blue Encoder 41± 0.5 KHz Yellow J403 Destination: rotation motor card. Brown Blue 12v rotation motor on. J404 Destination: laser assembly.

  • Page 65: Pm Assembly

    3.8 PM Assembly 3.8.1 Location Left-side View 3.8.2 Component Left-side View 3-13...

  • Page 66: Description

    3.8.3 Description Bottom View J1 Destination: J300 on USB card. 3-14...

  • Page 67: Rollers Motor

    3.9 Rollers motor 3.9.1 Location Rear View 3.9.2 Description Front View Connector’s panel (conn 2) to the rollers motor. Orange Rollers forward +12v ; rollers backwards -12v ; rollers stop 0v. Brown GND. 3-15...

  • Page 68: Stepper Motor - Carriage

    3.10 Stepper Motor – Carriage 3.10.1 Location Back View 3.10.2 Component Back View 3-16...

  • Page 69: Description

    3.10.3 Description J204 Destination: J204 on motion card. Orange + blue 130Hz load/unload Red + yellow 130Hz load/unload 3-17...

  • Page 70: Stepper Motor - Slide

    3.11 Stepper Motor – Slide 3.11.1 Location Front View 3.11.2 Component Front View – Left hand side 3-18...

  • Page 71: Description

    3.11.3 Description Connector’s panel (conn 3) to J201 on motion card. Orange + white 11KHz moving left/right ; 0KHz stop Black + yellow 11KHz moving left/right ; 0KHz stop Connector’s panel (conn 3) to stepper motor. Yellow + black 11KHz moving left/right ; 0KHz stop Blue + white 11KHz moving left/right ;...

  • Page 72: Rotation Motor

    3.12 Rotation motor 3.12.1 Location Right-side view 3.12.2 Component Front view – right side 3-20...

  • Page 73: Description

    3.12.3 Description Flat cable from rotation motor to the rotation motor driver card. Destination: J403 on laser card. J403 Brown Blue 12v rotation motor on. 3-21...

  • Page 74: 15V Power Supply

    3.13 15v power supply 3.13.1 Location 3.13.2 Component 3-22...

  • Page 75: Description

    3.13.3 Description Source: AC input power. Destination: J4 on lamps board and J211 on motion card. Cable 1 Destination: J4 on lamps board. White Black Power supply 12v (com) Cable 2 Destination: J211 on motion card. Black 3-23...

  • Page 76: 5V Power Supply

    3.14 12V/5V power supply 3.14.1 Location 3.14.2 Component & Description Source: AC INPUT POWER. Destination: J305 on USB card and connector 10 on motion card. Black White 3-24...

  • Page 77: Power Supply

    3.15 12V power supply 3.15.1 Location 3.15.2 Component & Description 5 4 3 2 1 Brown Blue Yellow Black Orange Phase Zero Ground DC 12V to J213 on Motion board 3-25...

  • Page 78: Erase Lamps

    3.16 Erase Lamps 3.16.1 Location 3.16.2 Component 3-26...

  • Page 79: Description

    3.16.3 Description P1 8 connectors to inverters P2 (trough connector) to J511 on sensors board 3-27...

  • Page 80: Inverters

    3.17 Inverters 3.17.1 Location 3.17.2 Component & Description Right side of inverters: 1,2,3,4 Wires connected to Erase Lamp1 5,6,7,8 Wires connected to Erase Lamp 2 3-28...
  • Page 81 Left side of inverters: Cable from connector J3 on lamps board to inverter 1. yellow Lamps on 15v ; lamps off 0v Black Cable from connector J5 on lamps board to inverter 2. Yellow Lamps on 15v ; lamps off 0v Black 3-29...

  • Page 83: Appendix A: Required Tools For Fse

    4. Appendix A: Required Tools for FSE Following is a list of tools required for servicing operations: 1. Phillips screw driver (medium) 2. Allen keys (metric): 1.5, 2, 2.5, 3, 4 3. Cutters 4. Long-nose pliers 5. Open key wrenches: 5.5mm, 7mm 6.

  • Page 85: Appendix B: Service Report

    5. Appendix B: Service Report SERVICE REPORT Reporting distributor: Company name: Technician servicing the PcCr 1417: Name: Tee. No.: e-mail: System information: System SN: Problem reported: Problem diagnosis Repair activity: Result: Name: __________________ signature: __________________ Appendix B: Service Report...

  • Page 87: Appendix C: Cleaning The Rollers

    The cleaning device includes the following items: Cleaning tray – Orex catalog number: AC94598-00. Cleaning plate with adhesive strips that are covered with protective paper / protective envelope – Orex catalog number: AC94599-00.
  • Page 88 Figure 3: The Cleaning Strips Place cleaning plate on tray. Make sure it is placed in the correct direction (as specified on plate). Push the plate into the machine. It should go in almost entirely. A segment of 10cm should remain visible. Do not release your grip from the plate. Repeat step #6 4-6 times.

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