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UMAX Data Systems Astra 1220U Service Manual

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Astra 1220U
Color Scanner
Service Manual
UMAX Data Systems, Inc.
0898-e

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Summary of Contents for UMAX Data Systems Astra 1220U

  • Page 1 Astra 1220U Color Scanner Service Manual UMAX Data Systems, Inc. 0898-e...

  • Page 2: About This Manual

    Astra 1220U is a registered trademark of UMAX Data Systems, Inc. Copyright Copyright 1998 UMAX Data Systems, Inc. All Rights Reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, without the prior written permission of UMAX Data Systems, Inc.

  • Page 3: Table Of Contents

    Contents 1. Introduction ..................1 The Astra 1220U......................1 Scanner Specifications ....................1 2. Electronic Systems ................3 Astra 1220U Electronic Systems .................3 The Opto-Mechanical ....................4 Function Block Diagram ....................5 VIDEO Test Timing Diagram (Pixel)................6 VIDEO Test Timing Diagram (Line)................6 CCD Test Timing ......................7 Component Connectors....................8...
  • Page 4 Pin Assignment......................44...

  • Page 5: Introduction

    Specifications The Astra 1220U The Astra 1220U Flatbed Scanner is a highly reliable, high quality product which is designed to give long term service. However, like all opto-electronic products, occasional routine maintenance may be required for certain scanner components. This service manual is provided so that qualified maintenance and repair technicians can perform service as needed.
  • Page 6 Service Manual Scanner Settings Scaling: ..........1% to 200% in 1% increments at 600 dpi Resolution Highlight/Shadow: ......255 steps -100% ~ 100% Brightness: ........Gamma Curve: ......... Downloadable Curves Data Output Color Mode: ........30 Bits (Hardware) 36 Bits (System) 10 Bits (Hardware) 12 Bits (System) Grayscale Mode: ......

  • Page 7: Electronic Systems

    CCD Pin Assignment Astra 1220U Electronic Systems The Astra 1220U consists of several electronic component systems which work together when a document is scanned. The systems and their functions are described as follows (see Fig. 2-1 below). A scanning lamp to illuminate the document.

  • Page 8: The Opto-Mechanical

    Service Manual The Opto-Mechanical The opto-mechanical system consists of the following (see Fig. 2-2 below): Three mirrors to guide the optical path from the document being scanned to the image sensor. One lense to focus and reduce the size of the image. Resolution of Lens is 600dpi.

  • Page 9: Function Block Diagram

    A,B,/A,/B ULN2003 Scanner Function DA0_7 MOTOR connector Motor Driver 93C46 7805 Vendor ID 74HC04 Regulator POWER EMI Reduce +12V JACK U_A,B,/A,/B UTA connector U_HOME,DETECT 48MHz XTAL M/B System Block Diagram 24MHz ASTRA 1220U page 3 Fig. 2-3: System Block Diagram...

  • Page 10: Video Test Timing Diagram (Pixel)

    Service Manual VIDEO Test Timing Diagram (Pixel) The following diagram shows the Video test pin signal during a scan while in color mode. VIDEO Test Timing Diagram (Line) The following diagram shows the VIDEO test timing diagram during a scan while in color mode:...

  • Page 11: Ccd Test Timing

    Service Manual CCD Test Timing The following diagram a provides a reference timing pattern for the CCD. 3.5V ~ 7.5V...

  • Page 12: Component Connectors

    Service Manual Component Connectors The following series of circuit diagrams show connections for the various electronic components: ASIC Pin Assignment...
  • Page 13 Service Manual DRAM and UTA Connector Pin Assignment The following diagrams give detailed information for the PC and the printer interface pins.
  • Page 14 Service Manual AD Pin Assignment...
  • Page 15 Service Manual Motor and To CCD Board Pin Assignment...
  • Page 16 Service Manual Power Code Pin Assignment...
  • Page 17 Service Manual EPP to USB Bridge Pin Assignment...
  • Page 18 Service Manual CCD Pin Assignment PIN CONNECTIONS 2556D...
  • Page 19 Service Manual 3797P...

  • Page 20: Component Assemblies

    Scanner Component Exploded Diagrams Component Assembly Overview Drawings of Astra 1220U replacement part kits and exploded diagrams of scanner components are provided in this chapter along with quantity and part number information to assist you in ordering replacement parts and help you determine the best way to disassemble and assemble the scanner. When ordering parts, be sure to include the part numbers referred to in the tables and drawings.
  • Page 21 Service Manual Part No: 030028-01 Part No: 030032-13 KIT,M/B PLATE,1220U KIT, MOTOR, 35DX16T Part No: 030072-55 Part No: 030104-23 KIT,CARTON,KTX-TAU KIT, FLAT CABLE,24P, NO SHIELDING...
  • Page 22 Service Manual Part No: 030201-08 Part No: 030202-16 KIT,DOCUMENT COVER, Astra 1220 KIT,UP HOUSING, Astra 1220 Part No: 030203-09 Part No: 030205-05 KIT,MOTOR A'SSY,35Dx16T,W/O CORE KIT,INV,2.6¢px250x1,S12III,Garear Part No: 030206-10 KIT,LAMP A'SSY,COLD-CATHODE...
  • Page 23 Service Manual Part No:030519-12 Part No:030519-13 KIT, SPS, 100-240V, 12VDC, UK, PLUG CORE KIT, SPS, 100-240V, 12VDC, ASTRL, PLUG CORE Part No: 030519-14 Part No: 030519-15 KIT,SPS,100-240V,12VDC,USA PLUG,CORE KIT,SPS,200-240V,12Vdc,1A,EUR,PLUGIN Part No: 030602-04 KIT,CHASSIS A'SSY...
  • Page 24 Service Manual Part No: 030742-00 Part No: 030743-01 KIT,WIRE LED,Astra 1220P KIT,PCBA,M/B, 1220U Part No: 030788-00 KIT,CABLE, USB, A TOB, 1.5M, CORE...

  • Page 25: Astra 1220U Main Components

    Service Manual Astra 1220U Main Components The scanner's main components are illustrated in the exploded diagram along with part number descriptions in the table below. Diagrams of main components and associated part information tables are included in the pages that follow.
  • Page 26 Service Manual Document Cover Assembly ITEM # Description COVER, DOCUMENT, SUNRISE SPONGE, 296X218, LIFE SHEET, PVC, 299X221, CWT, LIFE HINGE, COVER, SUNRISE...
  • Page 27 Service Manual Upper Housing Assembly ITEM # Description UP HOUSING, SUNRISE, UCC017 RETAINER, SUNRISE, UCC017 SHEET, CALIBRATION, SUNRISE GLASS WINDOW, SUNRISE TAPE, 18MM TAPE, 12MM...
  • Page 28 WIRE, LED, WITH CORE, SUNRISE SPRING, PULLEY, MOUNT, LIFE ROD,10D, LIFE RUBBER, TIMING BELT, 380T, LIFE DOWN HOUSING, SUNRISE M'ASSY, IDLER PULLEY, SUNRISE M'ASSY, MOTOR, SUNRISE PCBA, H890, USE-M/B, SUNRISE PLATE, MAIN BOARD, USB. ASTRA 1220U SCREW, MCR, M3X4, NI SCREW, UP HOUSING, M4X6XD8...
  • Page 29 Service Manual Idler Pulley Assembly ITEM # Description MOUNT, IDLER PULLEY, SUNRISE E-RING, 5D, NI PULLEY, IDLER, 25T, C, P2.032 Motor Frame Assembly ITEM # Description MOTOR, MITSUMI, M35SP-7 MOTOR MOUNT, SUNRISE E-RING, 5D, NI SCREW, MCT, T, M3 X 6, NI GEAR, 90T, PULLEY, 25T GEAR, 18TX80T, SUNRISE...
  • Page 30 Service Manual Lamp Assembly ITEM # Description LAMP, A’SSY, D2.6X250 SHEET, REFLECTOR, SUNRISE, HOLDER, LAMP, LIFE...
  • Page 31 Service Manual CCD Chassis Assembly ITEM # Description FLAT CABLE, 2896, 24P, 490MM, SUNRISE A’SSY, CCD, PCBA INV, 11V, Ø2.6X250X1, S12III, BTC SCREW MCP, M3X5, BLK CLIP, MIRROR, W7X6MM CLIP, MIROR, W9X11MM M’ASSY, LAMP, ASTRA 1220P RING, CIRCULAR, 4D, EXT MIRROR, 80X12X3 ROLLER, VX6 CHASSIS, SUNRISE...

  • Page 32: Troubleshooting Guide

    Service Manual 4. Troubleshooting Guide What’s in this Chapter: • Maintenance Notice • Cleaning and Repair Suggestions Maintenance Notice Maintenance should be conducted in a clean, dustless working environment with mild humidity and temperature. The working area should also be as free from vibration as possible and any objects which may damage (e.g.

  • Page 33: Environment Vs. Performance

    Aging Overview The Astra 1220U offers excellent performance, but, (as with other high end products), in a limited range of environments. Astra 1220U performance drops, and perhaps will fail, under adverse environmental conditions. For correct diagnosis of malfunctions, it is important to understand the relationship between environment and performance.

  • Page 34: Humidity

    Service Manual Humidity Changes in humidity tend not to affect the operation of the scanner in obvious ways. In certain extreme situations, however, the effects cannot be overlooked. 1. In humid regions, the relative humidity may be less than or equal to 85%. If the scanner is not used for a long time, a moisture-induced film may coat optical surfaces.

  • Page 35: Board Outline Diagrams

    Service Manual Appendix A Board Outline Diagrams SILKSCREEN TOP R4 C3 B4 R13 B25 R6C5R7C6C7R8C8R9R10C9C10R11C11R12 ASIC DGND AGND PCB, H860 REV:A P/NO:510407-05 9819 9801CCV 93C46 PM8630 HCT125 R35 R36 R44C54C55 C56 B22R47R48R51 Main Control Board Silkscreen for Astra 1220U...
  • Page 36 Service Manual C2R3 C3 R20R14R15 R6 R7 C4 R16R17R18R19 C10C8C15 R21R22 Q6 R23 P/NO:510385-07 C11R25R26 REV:C 9811 C12+ C14 C9 H830,H890,H860 USE-CCD/B SILKSCREEN TOP SIDE CCD Board Silkscreen Top Side CCD Board Silkscreen Bottom Side CCD Board Silkscreen Bottom Side...

  • Page 37: Scanner Outline Diagram

    Service Manual Appendix B Scanner Outline Diagram...

  • Page 38: Component Replacement Kits For Uta-3A

    Service Manual Appendix C Component Replacement Kits for UTA-3A Component kits are listed in the tables below with component kit drawings provided on the following pages. When ordering replacement kits, be sure to include associated part numbers with your purchase order(s).
  • Page 39 Service Manual Part No: 030032-14 Part No: 030072-47 KIT,MOTOR,12V,M42SP-4,SUN KIT,CARTON,UTA-3A Part No: 030088-21 Part No: 030104-25 KIT,LAMP A'SSY,COLD-CATHODE,UTA-3A KIT,FLAT CABLE,UL2896,8P,420mm,SUN Part No: 030113-08 Part No: 030146-04 KIT,CABLE,9P,230mm KIT,GLASS WINDOW,UTA-3A...
  • Page 40 Service Manual Part No: 030202-18 Part No: 030203-08 KIT,UP HOUSING,UTA-3A KIT,MOTOR A'SSY,12V,M42SP-4 Part No: 030205-06 Part No: 030212-01 KIT,INV,9V,2.6¢x250x1,Sun,COTEK KIT,HINGE A'SSY,UTA-3A Part No: 030690-00 Part No: 030691-00 KIT,PCBA,M/B,UTA-3A KIT,MANUAL,OP,UTA-3A...

  • Page 41: Transparency Adapter Main Components

    Service Manual Transparency Adapter Main Components The Transparency Adapter 's main components are illustrated in the exploded diagram along with part number descriptions in the table below. Diagrams of main components and associated part information tables are included in the pages that follow. Main Parts Assembly Diagram ITEM # Description...
  • Page 42 Service Manual Housing Assembly Diagram ITEM # Description PLATE, WINDOW HINGE, A’SSY, SUN SCREW, TCT, A, 4DX7, NI SCREW, TCT, A, 3DX7, NI HOUSING, SUN, UCCXXX PANEL, LOGO, UTA-3A PAD, PVC, 21, 5X6, UTA-V TAPE, 10MM, DS-31...
  • Page 43 Service Manual Mechanical Parts Diagram ITEM # Description CABLE, 9P, 230MM, UTA-JADE, II, CORE FLAT CABLE, UC2896, 8P, 420MM, SUN SPRING, OD14XL16X¢1.0 COVER, BOTTON, USN, UCCXXX SCREW, TCP, PB, 3DX7, NI SCREW, TCT, A, 4DX7, NI SCREW, MCP, M3X5X16, D4.0, NI SLIDER, RETAINER, UTA-V GLASS, WINDOW, 372.5X302.5X3.2T...
  • Page 44 Service Manual Lamp Assembly Diagram ITEM # Description INV, 9V, 2.6¢X250X1, SUN, COTEK HOLDER, LAMP, SUN CAP, LEFT, LAMP, SUN CAP, RIGHT, LAMP, SUN SHEET, DIFFUSE, 240X16.2MM, SUN SHEET, REFLECT, 264X23MM, SUN LAMP, A’SSY, D2.6X250L, FL-2650-MW, SUN...
  • Page 45 Service Manual Motor Assembly Diagram ITEM # Description MOTOR, 12V, M42SP-4, SUN BRACKET, IDLER, SUN BLOCK, POSITIONING, UTA-V SHAFT, ROD, SUN BRACKET, MOTOR, SUN SCREW, MCT, T, M3X6, NI SCREW, MCP, M3X12, ZN SCREW, MCP, T, M4X6M, ZN E-RING, 2.5D, NI E-RING, 5D, NI RUBBER, TIMER BELT, 397T, SUN GEAR, 90T-PULLEY 25T...
  • Page 46 Service Manual Hinge Assembly Diagram ITEM # Description SHAFT, HING, D5.9X34.1 SPRING, HINGE, UTA-V FRAME, HINGE, UTA-V HINGE, BASE, SUN E-RING, 5D, NI BLOCK, FRICTION, UTA-V, PART2 BLOCK, FRICTION, UTA-V, PART1 PAD, HINGE, UTA-V SHAFT, HINGE, D9X31.4 SHAFT, HINGE, D11X26.8 SCREW, SET, M4X10, BLK...

  • Page 47: Main Components And Outline Diagram

    Service Manual Main Components and Outline Diagram P/NO:510350-07 PCB, H8H0, UTA-3A REV:D 9829 Silkscreen Top...

  • Page 48: Pin Assignment

    Service Manual Pin Assignment...

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