Panasonic tc-22lh1 technical guide User Manuals

Table of Contents

• Panasonic Services Company

  2
• Secaucus, NJ

  2
• Introduction

  4
• Chapter 1 Technology Explanation

  7
  • 1.1 Properties of Liquid Crystals

    7
  • 1.2 LCD Basic Reflective Assembly

    7
  • 1.3 Backlighting vs. Reflective

    8
  • 1.4 Color

    9
  • 1.5 LCD Addressing Technology

    10
  • For example, a high definition LCD TV model such as the TC-2

    10
  • 1.7 Inverter Power Supply

    11
  • 1.8 High Voltage Power Supply

    12
  • 1.9 Test and Measurement

    13
  • 1.10 Features

    14
    • ACTIVE SYSTEM CONTROL

      14
      • S Video And Composite Input Jacks

        14
  • TC-22LH1 LCD TV Model Specification

    15
• Chapter 2 Circuit Descriptions

  16
  • Block Diagram Overview

    18
    • Audio Control Circuitry

      19
• Chapter 3 Video Circuit Explanations

  20
  • Video Signal Block Diagram

    20
    • Video Inputs

      20
    • NTSC Video Signal Path

      22
    • ATSC Video Signal Path

      23
    • HDMI Signal Path

      24
    • Picture Processing

      25
    • Resizing The Screen

      27
• Chapter 4 Audio Circuit Explanations

  28
  • Audio Signal Block Diagram

    28
  • Surround Sound Processing

    31
  • Power Supply Section

    31
  • Chapter 5 Unit Disassembly

    33
  • Rear Cover Removal

    34
  • AP Board Removal

    34
  • DV Board Removal

    35
  • DG Board Removal

    36
  • B1 Board Removal

    36
  • H Board Removal

    37
  • Speaker Removal

    37
  • K Board (Button Board) Removal

    38
  • V Board (remote sensor) Removal

    38
  • LCD Panel Removal

    39
• Chapter 6 Self Check and Adjustment

  41
  • Self Check

    41
  • Service mode Adjustment

    41
  • Main Adjustment SUB Adjustment

    43
  • LCD Pixel Specifications

    45