Table of Contents
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
MODEL NAME
KDL-22BX320
KDL-22BX320
KDL-22BX321
ORIGINAL MANUAL ISSUE DATE: 12/2010
REVISION DATE
12/2010
1/25/2011
11/7/2011
9-883-850-53
REMOTE COMMANDER
RM-YD065
RM-YD065
RM-YD065
CONFIDENTIAL
ELECTRICAL SERVICE MANUAL
INTERNAL ONLY
SUBJECT
Original Manual Release Date.
Added KDL-22BX320 MX/LA and KDL-22BX321 MX models. Reissue entire manual.
Added Accessories and Packing to Electrical Parts List. Replaced page 31.
AZ2-UK
DESTINATION
LEVEL
CONFIDENTIAL
US/CND
MX/LA
MX
LCD DIGITAL COLOR TV
CHASSIS
3
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Table of Contents
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Summarization of Contents
SAFETY-RELATED COMPONENT WARNING
Handling the LCD Panel Safely
Guidelines for safely handling LCD panels to prevent damage and ensure user safety.
AC Leakage Current Testing
Procedure and diagram for checking AC leakage current in the device.
SAFETY CHECK-OUT
Safety Check Procedures
Steps to perform after service to ensure the set is safe for customer use.
Leakage Test Procedure
Detailed instructions and diagrams for performing AC leakage tests.
SECTION 1: DIAGRAMS
Circuit Boards Location
Identifies the physical location of key circuit boards within the unit.
Printed Wiring Boards and Schematic Diagrams Information
Explains symbols, notations, and conventions used in schematics.
Block Diagram
Provides a high-level overview of the system's functional blocks and their interconnections.
A Board Schematic Diagram
Detailed circuit diagrams for the main A board, covering various sections.
GD8 (Power) Board Schematic Diagram
Circuit diagrams for the GD8 power supply board.
REFERENCE INFORMATION
Component Reference Guide
Lists and defines various electronic components and their symbols.
Semiconductor Terminal Identification
Shows the pinout and circuit representation for semiconductors on PCBs.
SECTION 2: ELECTRICAL PARTS LIST
A Board Parts List
List of components and part numbers for the main A board.
GD8 Power Board Parts List
List of components and part numbers for the GD8 power board.
H Board Parts List
List of components and part numbers for the H board.
Accessories and Packing List
List of included accessories and packing materials for the unit.
APPENDIX A: ENCRYPTION KEY COMPONENTS
Handling of Confidential Components
Procedures for handling, repairing, and replacing components with encryption keys.
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