Sony bg2t chassis kv-tg21m20 User Manuals

Table of Contents

• REVISION HISTORY

  1
• KV-TG21M20

  2
• SPECIFICATIONS

  3
• TABLE OF CONTENTS

  4
• SELF DIAGNOSTIC FUNCTION

  5
• GENERAL

  8
• DISASSEMBLY

  11
  • REAR COVER REMOVAL

    11
  • SPEAKER REMOVAL

    11
  • CHASSIS ASSY REMOVAL

    11
  • SERVICE POSITION

    11
  • TERMINAL BRACKET REMOVAL

    11
  • REPLACEMENT OF PARTS

    12
    • Replacement of Light Guide

      12
    • Replacement of Power Button

      12
  • PICTURE TUBE REMOVAL

    12
• SET-UP ADJUSTMENTS

  14
  • BEAM LANDING

    14
  • CONVERGENCE

    15
  • FOCUS ADJUSTMENT

    17
  • G2 (SCREEN) AND WHITE BALANCE ADJUSTMENTS

    17
• CIRCUIT ADJUSTMENTS

  18
  • ADJUSTMENT WITH COMMANDER

    18
  • ADJUSTMENT METHOD

    18
  • PICTURE QUALITY ADJUSTMENT

    24
  • DEFLECTION ADJUSTMENT

    24
  • A BOARD ADJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT

    24
  • PICTURE DISTORTION ADJUSTMENT

    25
• DIAGRAMS

  26
  • BLOCK DIAGRAM

    26
  • CIRCUIT BOARDS LOCATION

    27
  • SCHEMATIC DIAGRAM

    28
    • A Board Schematic Diagram

      29
    • CV Board Schematic Diagram

      30
  • VOLTAGE MEASUREMENT

    31
    • A BOARD VOLTAGE LIST

      31
    • CV BOARD VOLTAGE LIST

      33
  • WAVEFORMS

    34
    • A BOARD WAVEFORM

      34
    • CV BOARD WAVEFORM

      34
  • PRINTED WIRING BOARDS AND PARTS LOCATION

    35
    • – A Board –

      35
    • – CV Board –

      36
  • SEMICONDUCTORS

    37
• EXPLODED VIEWS

  39
  • PICTURE TUBE AND CHASSIS

    39
• ELECTRICAL PARTS LIST

  40