用户手册 — Sony bg2t chassis kv-ha21m83a

目录

• REVISION HISTORY

  1
• KV-HA21M83A

  2
• SPECIFICATIONS

  3
• TABLE OF CONTENTS

  4
• SELF DIAGNOSTIC FUNCTION

  5
• GENERAL

  8
• DISASSEMBLY

  12
  • 3D SPEAKER BOX REMOVAL

    12
  • TWEETER REMOVAL

    12
  • REAR COVER REMOVAL

    12
  • SPEAKER REMOVA L

    12
  • CHASSIS ASSY REMOVAL

    12
  • SERVICE POSITION

    12
  • TERMINAL BRACKET AND K, K1, K2 BOARDS REMOVAL

    13
  • REPLACEMENT OF PARTS

    13
    • Replacement of Light Guide

      13
    • Replacement of Power Button

      13
  • PICTURE TUBE REMOVAL

    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
  • PICTURE QUALITY ADJUSTMENT

    25
  • DEFLECTION ADJUSTMENT

    25
  • A BOARD ADJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT

    25
  • PICTURE DISTORTION ADJUSTMENT

    26
• DIAGRAMS

  27
  • BLOCK DIAGRAM

    27
  • CIRCUIT BOARDS LOCATION

    28
  • SCHEMATIC DIAGRAM

    29
    • A Board Schematic Diagram

      30
    • K Board Schematic Diagram

      31
    • K1 Board Schematic Diagram

      32
    • K2 Board Schematic Diagram

      33
    • CV Board Schematic Diagram

      34
  • VOLTAGE MEASUREMENT

    35
    • A BOARD VOLTAGE LIST

      35
    • CV BOARD VOLTAGE LIST

      37
    • K BOARD VOLTAGE LIST

      37
  • WAVEFORMS

    38
    • A BOARD WAVEFORM

      38
    • CV BOARD WAVEFORM

      38
• PRINTED WIRING BOARDS AND PARTS LOCATION PRINTED WIRING BOARDS

  39
  • – CV Board –

    39
  • – K Board –

    40
  • – K1 Board –

    40
  • – K2 Board –

    40
  • – A Board –

    41
• SEMICONDUCTORS

  42
• EXPLODED VIEWS

  44
  • PICTURE TUBE AND CHASSIS

    44
• ELECTRICAL PARTS LIST

  45