Epson Perfection 1670 Photo Service Manual
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Epson Perfection 1670 Photo Service Manual

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Service Manual
Color Image Scanner
EPSON Perfection 1670 Photo
Perfection 1270
®
SESC03-002

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Summary of Contents for Epson Perfection 1670 Photo

  • Page 1 Service Manual Color Image Scanner EPSON Perfection 1670 Photo Perfection 1270 ® SESC03-002...
  • Page 2 SEIKO EPSON CORPORATION. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

  • Page 4: About This Manual

    Provides Epson-approved methods for adjustment. CHAPTER 4.MAINTENANCE Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing C A U T I O N Indicates an operating or maintenance procedure, the product.
  • Page 5 Revision Status Revision Date of Issue Description June 23, 2003 First release April 18, 2005 Model addition (Perfection 1270) Circuit diagram addition...

  • Page 6: Table Of Contents

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B Contents Chapter 1 TROUBLESHOOTING Chapter 5 APPENDIX 1.1 Overview ....................... 8 5.1 Overview ......................34 5.1.1 Scanner Connection Diagram..............34 1.2 Self-diagnostic Function..................8 5.1.2 Connector Connection Table ..............34 1.3 Troubleshooting..................... 9 5.1.3 Connector Wiring Table ................
  • Page 7 C H A P T E R TROUBLESHOOTING...

  • Page 8: Overview

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 1.1 Overview This chapter explains the troubleshooting of this product. 1.2 Self-diagnostic Function With the self-diagnostic function, the scanner self-checks the operating status of each component, and if any error is detected, displays its definition, as indicated in Table 1-1, with the LED of the Start button.

  • Page 9: Troubleshooting

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 1.3 Troubleshooting Table 1-3. Image Cannot Be Read Neatly Step Cause Check Point Judgment Action This section explains troubleshooting from the viewpoint of superficial phenomena. Dirt has adhered to Has dirt adhered to the Remove the dirt.
  • Page 10 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Table 1-5. The Main Unit Does Not Perform Initialization Operation Table 1-7. The Carriage Operates but the Error Is Displayed Step Cause Check Point Judgment Action Step Cause Check Point Judgment Action Any connector has Check all connectors.
  • Page 11 C H A P T E R DISASSEMBLY/ASSEMBLY...

  • Page 12: Overview

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.1 Overview The following figure shows the definition of the scanner orientations explained in the disassembly procedure. This chapter explains the procedures for disassembling the major units and parts of the product. Unless otherwise explained, reassembly should be carried out in the reverse order of the disassembly procedure.

  • Page 13: Screws Used In Disassembly And Reassembly

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.1.3 Screws Used in Disassembly and Reassembly The screws used in this chapter are indicated below. When reassembling this product, do the work after fully confirming the screw types and the number of screws to be used in each section.

  • Page 14: Disassembly Procedure

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2 Disassembly Procedure This section illustrates how to remove the main components of this product. Unless otherwise specified, the reassembly procedure is omitted here since the product can be reassembled in the reverse order of the disassembly procedure. For the engagement of the main components, refer to the general exploded views in the Appendix.

  • Page 15: Removal Of Tpu Unit

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.1 Removal of TPU Unit Disconnect the Inverter Cable from the Main Unit. Open the TPU Unit. TPU Unit Hold and lift both the left and right ends of the TPU Unit, and remove the TPU Unit.

  • Page 16: Removal Of Upper Housing

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.2 Removal of Upper Housing Open the TPU Unit. (Refer to 2.2.1) Remove the two screws (CBB M3x6) that are securing the Upper Housing. Using the flat-blade screwdriver, disengage the four hooks that are securing the Upper Housing.
  • Page 17 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Lift the rear side of the Upper Housing. In this state, slide it to the front to disengage the two hooks and remove the Upper Housing. Step 4-1) Step 4-2) Hook sockets Figure 2-7. Removal of Upper Housing Hooks Figure 2-8.

  • Page 18: Removal Of I/F Board

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.3 Removal of I/F Board Carriage FFC Remove the Upper Housing. (Refer to 2.2.2) I/F Board Disconnect the CR Motor Connector Cable and Panel FFC from the I/F Board. In the order shown in Figure 2-10, unlock the Harness Locking Mechanism and disconnect the Carriage FFC from the I/F Board.

  • Page 19: Removal Of Carriage Unit

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.4 Removal of Carriage Unit Locking Unlocking position position Unlock the Carriage Lock at the bottom of the Main Unit. Remove the Upper Housing. (Refer to 2.2.2) Remove the I/F Board. (Refer to 2.2.3) Move the Carriage Unit to the center.
  • Page 20 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Remove the Ferrite Core from the Lower Housing (note that the Ferrite Core is secured FFC Stop Plate by a double-faced tape). Twist and lift the FFC Stop Plate to the outside. Slide it to the rear as-is, and remove it diagonally upward.
  • Page 21 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Peel the Carriage FFC, which is secured by a double-faced tape, from the FFC Stop Plate. Adhere the Carriage FFC to the FFC Stop Plate in the position shown FFC Stop Plate in Figure 2-16.
  • Page 22 EPSON Perfection 1670 Photo/Perfection 1270 Revision B 11. Remove the Carriage Shaft from the rear side Bushing of the Lower Housing. Front side Bushing Carriage Shaft When removing the Carriage Shaft, fully be careful not to scratch the C A U T I O N Carriage Shaft and the Gears on the rear side of the CR Motor.

  • Page 23: Removal Of Cr Motor

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.5 Removal of CR Motor Remove the Upper Housing. (Refer to 2.2.2) Remove the three screws (CBP M3x8) that are securing the CR Motor. Disconnect the CR Motor Connector Cable from the I/F Board. (Refer to Figure 2-9.) After releasing the CR Motor Connector Cable from the groove of the Lower Housing, pull it out of the holes.

  • Page 24: Removal Of Panel Board

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.6 Removal of Panel Board Hooks Unlock the Carriage Lock at the bottom of the Main Unit. (Refer to Figure 2-12.) Remove the Upper Housing. (Refer to 2.2.2) Move the Carriage Unit to the center.

  • Page 25: Removal Of Pulley Set And Pressure Spring

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.7 Removal of Pulley Set and Pressure Spring Flat-blade screwdriver Remove the Timing Belt from the Pulley Set. (Refer to Step 9 in the Removal of Carriage Unit.) Insert the flat-blade screwdriver into the engagement of the Pulley Set and Pressure Spring, and remove the Pressure Spring.

  • Page 26: Removal Of Tpu Inverter Board

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.8 Removal of TPU Inverter Board Housing Mat Remove the TPU Unit. (Refer to 2.2.1) Slide the Housing Mat to the front to remove it from the sockets of the TPU Unit, and remove the Housing Mat.
  • Page 27 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Disconnect the Inverter Cable Connector and Fluorescent Lamp Connector connected to the TPU Inverter Board. CBP (M3x8) Remove the two screws (CBP M3x8) that are securing the Inverter Board, and remove Tightening torque 6-8kgfcm the Inverter Board together with the Protective Sheet.

  • Page 28: Removal Of Hinge Holders

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 2.2.9 Removal of Hinge Holders Hinge Holders Step 3-1) Step 3-1) Remove the TPU Inverter Unit. (Refer to 2.2.8) Remove the two screws (CBP M4x12) that are securing each of the Hinge Holders.

  • Page 29: Chapter 3 Adjustment

    C H A P T E R ADJUSTMENT...
  • Page 30 EPSON Perfection 1670 Photo/Perfection 1270 Revision B This product does not require any adjustment in the range of the disassembly and reassembly explained in Chapter 2. ADJUSTMENT...

  • Page 31: Chapter 4 Maintenance

    C H A P T E R MAINTENANCE...

  • Page 32: Overview

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 4.1 Overview 4.1.2 Lubrication Lubrication is required when any part of the Carriage Unit of the scanner has been This chapter explains the maintenance work necessary to keep this product in the best replaced or the Carriage moves with noticeably large operation noise.
  • Page 33 C H A P T E R APPENDIX...

  • Page 34: Overview

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 5.1 Overview 5.1.2 Connector Connection Table Table 5-1 indicates the connectors provided for each Board. This chapter provides supplementary information useful for servicing this product. Table 5-1. Connector Connection Table Number Reference 5.1.1 Scanner Connection Diagram...

  • Page 35: Connector Wiring Table

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 5.1.3 Connector Wiring Table Pin No. Signal PHI1L The following tables indicate the wiring of the Connectors on the Boards. Table 5-2. I/F Board J1 PHIRS Pin No. Signal Table 5-4. I/F Board J4 DATA- Pin No.
  • Page 36 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Table 5-7. I/F Board J7 Pin No. Signal VCC5V TPO15V Table 5-8. CCD Board J2 Pin No. Signal L15V Table 5-9. Inverter Board CN1 Pin No. Signal LAMP LAMP Table 5-10. TPU Inverter Board CN2 Pin No.

  • Page 37: Chapter 2 Disassembly/Assembly

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 5.2 Circuit Diagrams The control electrical circuit diagrams of this product are shown on the following pages. I/F Board (P. 38-P. 43) CCD Board (P. 44) Panel Board (P. 45) APPENDIX Circuit Diagrams...
  • Page 38 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Main1/6 VCC5VR CLOSE TO U1 AS POSSIBLE,No Vias CDSCLK2 CDSCLK1 0.1uF/16V/X7R VCC5VR C9 0.1uF/16V/X7R C8 0.1uF/16V/X7R U1 XWM8196CDS 220P J 220P J RINP GINP L10 120 OHM 220P J AGND2 BINP DVDD1 VRLC/VBIAS 1U K 0.01U K...
  • Page 39 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Main2/6 DCJACK/RT/SKT FUSE Z600/2A SI2303DS 0.1uF/25V AMS1117-5.0 P6SMBJ16A 100U 25V 47J 1W VCC5VR 1U/25V/0805 105C 0.1uF/25V 0.1uF/25V 10U Z 10uF/25V/105C sleep switch 2N3904 0.1U M Z1000/0.3A KA78M12R A12V 10uF/25V/105C 0.1uF/25V 0.1uF/25V MC34063ECD 0.33...
  • Page 40 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Main3/6 2061189104 100U 25V 100U 25V 0.1uF/25V 105C 180pF/50V 180pF/50V 180pF/50V 180pF/50V FOR EMI EXPERIMENT L6219 OUT1A SEN1 OUT2A SEN2 SENSE1 SENSE2 OUT1B LMA0 OUT2B LMB0 LMA1 LMAPH LMB1 LMAPH PHASE1 LMBPH LMBPH...
  • Page 41 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Main4/6 Z600/1A Z600/1A R4 12K GPI11 USB REVERSE CONNECTOR USBDM DATA- USBDP DATA+ Z600/1A TPO15V 22C0003001 2210252001 0.1U K VCC5V 47P J 47P J 47P J 47P J C124 1000pF/50V SI2303DS ( CCD ) TPO15V 20K2174022/22pins/0.5D...
  • Page 42 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Main5/6 VCC5V ADCD[7:0] ADCD[7:0] ADCD0 XTALI ADCD0 XTALI ADCD1 XTALO ADCD1 XTALO ADCD2 RESETJ ADCD2 RESETJ ADCD3 ADCD3 ADCD4 LMAPH ADCD4 GPO0/PHASE1 ADCD5 LMBPH ADCD5 GPO1/PHASE2 ADCD6 LMA0 ADCD6 GPO2/I01 ADCD7 LMA1 ADCD7...
  • Page 43 EPSON Perfection 1670 Photo/Perfection 1270 Revision B Main6/6 Reserve For HW SET 5450U: R25 ~ R38 USED R19 ~ R24,R39,R40,R41,R42 UNUSED UNUSED UNUSED DMA0 DMA1 DMA2 DMA3 DMA4 DMA5 DMA6 DMA7 DMA8 DMA9 DMA10 DMA11 DMA12 DMA13 UNUSED For SDRAM 1M * 16Bit...
  • Page 44 EPSON Perfection 1670 Photo/Perfection 1270 Revision B VCC5VR A12V 120 OHM/0805 0/0603 0.1U Z 0.1U Z 0.1U Z 0.1U Z 0.1U Z U11A PHI1 680P J VoutR 7486 2N3904 VoutG R19 100/0603 VoutB R20 100/0603 PH2L U12A R21 100/0603 VCC5VR...

  • Page 45: Circuit Diagrams

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B panel BUTTON1 BUTTON2 LTH-301-07 HOMESENSOR BUTTON3 BUTTON4 VCCVCC 7102-XX HOMESENSOR LED2 GREEN/RED BUTTON4 BUTTON3 BUTTON2 BUTTON1 2N3904 2N3904 5.6V 0.01U M APPENDIX Circuit Diagrams...

  • Page 46: Parts List, Exploded Diagram

    EPSON Perfection 1670 Photo/Perfection 1270 Revision B 5.3 Parts List, Exploded Diagram An exploded diagram is not provided in this Service Manual. If consultation of an exploded diagram is necessary, see the Exploded Diagram attached to the Perfection1670 Photo/Perfection 1270.

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