Sony KDL-32EX421 User Manual

LCD DIGITAL COLOR TV
SERVICE MANUAL AZ2-F CHASSIS
MODEL NAME REMOTE COMMANDER DESTINATION
9-888-385-53
KDL-32EX421 RM-YD071 LA
KDL-32EX423 RM-YD071 LA
KDL-32EX520 RM-YD063 MX/LA
KDL-32EX520 RM-YD063 US/CND
KDL-32EX521 RM-YD063 MX/LA
KDL-32EX521 RM-YD063 US/CND
KDL-32EX523 RM-YD063 MX/LA
KDL-32EX523 RM-YD063 US/CND
KDL-40EX520 RM-YD063 MX/LA
KDL-40EX520 RM-YD063 US/CND
KDL-40EX521 RM-YD063 US/CND
KDL-40EX521 RM-YD063 MX/LA
KDL-40EX523 RM-YD063 MX/LA
KDL-40EX523 RM-YD063 US/CND
KDL-46EX520 RM-YD063 MX/LA
KDL-46EX520 RM-YD063 US/CND
KDL-46EX521 RM-YD063 MX/LA
KDL-46EX521 RM-YD063 US/CND
KDL-46EX523 RM-YD063 MX/LA
KDL-46EX523 RM-YD063 US/CND
LEVEL 3
CONFIDENTIAL
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
CONFIDENTIAL
ELECTRICAL SERVICE MANUAL
INTERNAL ONLY
ORIGINAL MANUAL ISSUE DATE: 1/2011
REVISION DATE SUBJECT
1/13/2011 Original Manual Release Date.
11/9/2011 Added Accessories and Packing to Electrical Parts List. Replaced page 42.
1/25/2012 Added Warnings and Caution information.
Added Safety-Related Warning information.
Updated Safety Check-Out information. Reissue entire manual.

Sony KDL-32EX421 Specifications

General

Brand	Sony
Model	KDL-32EX421
Category	TV
Language	English

Summary

Safety and Handling Precautions

General Warnings and Cautions

Covers general cautions, warnings, safety component handling, and TV carrying procedures.

Specific Safety Information

LCD Panel Handling Precautions

Specific instructions for safely handling and preventing damage to the LCD panel.

Safety Check-Out Procedures

Steps for ensuring set safety after repair, including leakage tests and earth ground verification.

Diagrams and Schematics Overview

Circuit Boards Location and Information

Shows board layouts and provides info on schematic diagram conventions.

Block Diagram and BATV Schematics

Presents the system block diagram and detailed schematics for the BATV board.

GE2 Board Schematic

GE2 Power Board Schematic

Detailed schematic for the GE2 power board, specific to 32-inch models.

GE3 Board Schematic

GE3 Board Schematic Diagram

Schematic diagram for the GE3 board, applicable to models other than 32-inch.

HLR2 Board Schematic

HLR2 IR/LED/Sensor Schematic

Schematic for the HLR2 board, covering IR/LED/Sensor functions.

HMS3 Board Schematic

HMS3 Motion Sensor Schematic

Schematic for the HMS3 board, related to motion sensor functionality.

Electrical Parts List

Capacitor Part Numbers

List of capacitors with part numbers, descriptions, and specifications.

Resistor Part Numbers

List of resistors with part numbers, descriptions, and specifications.

Appendix A: Encryption Key Components

Handling Encryption Key Components

Information on handling confidential encryption key components and repair procedures.