Acer AF705 Manuals

Table of Contents

• • 2

    Table of Contents

• 3

  1 Display Alignment

  • 3

    Timing & Display Size
  • 3

    Picture Position
  • 3

    Linearity
  • 3

    Alignment Procedure
  • 4

    Geometric Distortion
  • 5

    White Balance Alignment
  • 6

    Preset Timing Chart

• 7

  2 Control and Connect Layout

  • 7

    Main Pcb
  • 9

    Pin Assignment

• 10

  3 Introduction

  • 10

    Power Supply
  • 10

    Deflection
  • 10

    Video
  • 10

    Digital Controllor

• 13

  4 Power Supply

  • 13

    Rectifier and Filter Ckt
  • 13

    Flyback and Pwm Ckt
  • 13

    Snubber Ckt
  • 13

    Synchronized Ckt
  • 13

    Power Saving Ckt
  • 14

    Degauss Ckt
  • 14

    Overload Protection Ckt

• 15

  5 Deflection

  • 15

    Sync Rpocessor
  • 15

    Horizontal Processor
  • 15

    Vertical Output
  • 15

    Horizontal Output Stage
  • 15

    Flyblack Transformer

• 18

  6 Video Amp. Circuit

  • 18

    Video Pre. Amp
  • 18

    Video Amplifier

• 20

  7 Troubleshooting

  • 20

    Power Supply Check
  • 21

    Monitor Check Flow Chart

• 24

  Appendix A: Parts List

• 58

  Appendix B: P. C. B. Assembly

• 76

  Appendix C: Display Unit Assembly

• 80

  Appendix D: Crt & Yoke Assembly