BenQ SCANWIT 2740S Manuals

Manuals and User Guides for BenQ SCANWIT 2740S. We have 1 BenQ SCANWIT 2740S manual available for free PDF download: Service Manual

BenQ SCANWIT 2740S Service Manual

BenQ SCANWIT 2740S Service Manual (67 pages)

PROFESSIONAL FILM SCANNER

Brand: BenQ | Category: Scanner | Size: 1.84 MB

Table of Contents

Table of Contents
3
Chapter 1 System Overview

7
- Features
  7
Chapter 2 Specifications and Section Namess

9
- Specifications
  9
- Sectional Diagram
  10
Chapter 3 Theory of Operation

15
- Fundamental of Optic Process
  15
- Scan Process
  16
Chapter 4 Mechanism

19
- Optics Module
  19
- Transmission Module
  22
Chapter 5 Electrical Systems

23
- Overview
  23
- SCSI Interface
  27
- Scanner Controller (ASIC & Μp)
  29
- Analog Circuits
  30
- CCD Head/Elements
  31
- Main Flow Chart of Film Scanner
  32
- Connectors of Scanner 2740S
  33
Chapter 6 Trouble-Shooting

37
- Error Code Identification from "Status" LED
  37
  - No Function after Power on
    37
  - Cannot Link with Host Computer
    37
  - Flash "1" Time
    38
  - Flash "2" Times
    38
  - Flash "4" Times
    38
  - Flash "5" Times
    38
  - Flash "6" Times
    38
  - Flash "7" and "8" Times
    38
  - Scan Quality Not Good
    39
  - Power Supply
    39
  - CCD Head
    39
Chapter 7 Maintenance

41
- Precaution
  41
- Housing Section
  41
- Transmission Section
  43
- PCB-Frame Section
  45
- Panel Board Section
  46
- About Resolution
  48
Appendix A Frequently Asked Questions

49
- General Questions
  49
- Miraphoto
  50
- Hardware (Scanner
  54
- Others
  57
Appendix B Spare Parts Ordering Information

59
- B.1 Ordering Information
  59
- B.2 Spare Parts List
  60
Appendix C Explosive Diagram

63

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