Sony KDL-40EX457 Manuals

Manuals and User Guides for Sony KDL-40EX457. We have 1 Sony KDL-40EX457 manual available for free PDF download: Service And Training Manual

Sony KDL-40EX457 Service And Training Manual

Sony KDL-40EX457 Service And Training Manual (45 pages)

LCD Digital Color TV; AZ3FK Chassis

Brand: Sony | Category: LCD TV | Size: 7.12 MB

Table of Contents

Table of Contents
4
Cautions and Warnings

5
Section 1 - Features and Overview

9
- Features
  9
- Specifications
  9
- Chassis Overview
  11
- Overall Circuit Description
  12
  - Main Board
    12
  - Power Supply Board
    12
  - IR Board
    12
  - Switch Unit
    12
  - LCD Panel Assembly
    13
Section 2 - Troubleshooting

14
- Overview
  14
  - Updating the Software
    14
- Self Diagnosis Function
  14
  - Standby LED Blink Count
    14
  - Viewing the Self Check Diagnosis History
    15
- Triage Chart
  16
Section 3 - Flow Charts and Diagrams

17
- Block Diagram
  17
- No Power
  18
- Standby LED Blinking
  20
- No Video
  21
Section 4 - Disassembly/Part Number Information

23
- Main Board (A) and Power Supply Board (GE22/GL5/GL8) Removal
  24
  - KDL-22EX357 Only
    24
  - KDL-32EX357/32EX358/40EX457/40EX458 Only
    25
- LCD Panel Removal
  26
- Connectors
  29
- Screws
  29
- Accessories and Packaging
  30
- Optional Accessories
  30
- Wire Dressing
  31
Section 5 - Updates and Adjustments

32
Appendix A: Encryption Key Components

45

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