Sony bg2t chassis kv-pg21p10 User Manuals

Table of Contents

• REVISION HISTORY

  1
• KV-PG21P10

  2
• SPECIFICATIONS

  3
• TABLE OF CONTENTS

  4
• SELF DIAGNOSTIC FUNCTION

  5
• GENERAL

  8
• DISASSEMBLY

  12
  • REAR COVER REMOVAL

    12
  • SPEAKER REMOVAL

    12
  • CHASSIS ASSY REMOVAL

    12
  • F BOARD REMOVAL

    12
  • SERVICE POSITION

    12
  • TERMINAL BRACKET 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
• SET-UP ADJUSTMENTS

  15
  • 3-1. BEAM LANDING

    15
  • 3-2. CONVERGENCE

    16
  • 3-3. FOCUS ADJUSTMENT

    18
  • 3-4. G2 (SCREEN) AND WHITE BALANCE ADJUSTMENTS

    18
• CIRCUIT ADJUSTMENTS

  19
  • 4-1. ADJUSTMENT WITH COMMANDER

    19
  • 4-2. ADJUSTMENT METHOD

    19
  • 4-3. PICTURE QUALITY ADJUSTMENT

    24
  • 4-4. DEFLECTION ADJUSTMENT

    24
  • 4-5. A BOARD AJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT

    24
  • 4-6. PICTURE DISTORTION ADJUSTMENT

    25
• DIAGRAMS

  26
  • BLOCK DIAGRAM

    26
  • CIRCUIT BOARDS LOCATION

    27
  • SCHEMATIC DIAGRAM

    27
    • (1) Schematic Diagram of A (1/2) Board

      28
    • (2) Schematic Diagram of A (2/2) Board

      29
    • (3) Schematic Diagram of CV Board

      30
    • (4) Schematic Diagram of F Board

      31
  • VOLTAGE MEASUREMENT

    32
    • A(1/2) BOARD VOLTAGE LIST

      32
    • A(2/2) BOARD VOLTAGE LIST

      33
    • CV BOARD VOLTAGE LIST

      34
  • WAVEFORMS

    35
    • A BOARD WAVEFORM

      35
    • CV BOARD WAVEFORM

      35
  • PRINTED WIRING BOARDS AND PARTS LOCATION

    36
    • – A Board –

      36
    • – CV Board –

      37
    • – F Board –

      37
  • SEMICONDUCTORS

    38
• EXPLODED VIEWS

  39
  • PICTURE TUBE AND CHASSIS

    39
• ELECTRICAL PARTS LIST

  40