Sony bg2t chassis kv-tg21m81 User Manuals

Table of Contents

• KV-TG21M81

  2
• SPECIFICATIONS

  3
• TABLE OF CONTENTS

  4
• SELF DIAGNOSTIC FUNCTION

  5
• GENERAL

  8
• DISASSEMBLY

  12
  • REAR COVER REMOVAL

    12
  • SPEAKER REMOVAL

    12
  • CHASSIS ASSY REMOVA L2- 3. CHASSIS ASSY REMOVA L

    12
  • SERVICE POSITION

    12
  • TERMINAL BRACKET REMOVAL

    12
  • V2 BOARD REMOVAL

    12
  • REPLACEMENT OF PARTS

    13
    • Replacement of Light Guide

      13
    • Replacement of Power Button

      13
  • PICTURE TUBE REMOVAL

    13
    • REMOVAL OF ANODE- CAP

      14
    • REMOVING PROCEDURES

      14
• SET-UP ADJUSTMENTS

  15
  • BEAM LANDING

    15
  • CONVERGENCE

    16
  • FOCUS ADJUSTMENT

    18
  • G2 (SCREEN) AND WHITE BALANCE ADJUSTMENTS

    18
• CIRCUIT ADJUSTMENTS

  19
  • ADJUSTMENT WITH COMMANDER

    19
  • ADJUSTMENT METHOD

    19
• DIAGRAMS

  26
  • BLOCK DIAGRAM

    26
  • CIRCUIT BOARDS LOCATION

    27
  • SCHEMATIC DIAGRAM

    27
    • A Board Schematic Diagram

      28
    • V2 Board Schematic Diagram

      29
    • CV Board Schematic Diagram

      30
  • VOLTAGE MEASUREMENT

    31
    • A(1/2) BOARD VOLTAGE LIST

      31
    • A(2/2) BOARD VOLTAGE LIST

      32
    • CV BOARD VOLTAGE LIST

      33
    • V2 BOARD VOLTAGE LIST (KV-TG21M61 ONLY)

      33
  • WAVEFORMS

    34
    • A BOARD WAVEFORM

      34
    • CV BOARD WAVEFORM

      34
  • SEMICONDUCTORS

    37
• EXPLODED VIEWS

  39
  • PICTURE TUBE AND CHASSIS

    39
• ELECTRICAL PARTS LIST

  40