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Sony Trinitron KD-28DX51U User Manual

Sony Trinitron KD-28DX51U
68 pages
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SERVICE MANUAL
FE-2D
CHASSIS
MODEL
COMMANDER DEST CHASSIS NO.
KD-28DX51U
RM-949 UK SCC-Q52W-A
KD-28DX51E
RM-949 ESP SCC-R43A-A
KD-28/32DX51
RM-949
MODEL
COMMANDER DEST CHASSIS NO.
KD-32DX51U
RM-949 UK SCC-Q52V-A
KD-32DX51E
RM-949 ESP SCC-R43B-A
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Sony Trinitron KD-28DX51U Specifications

General IconGeneral
BrandSony
ModelTrinitron KD-28DX51U
CategoryTV
LanguageEnglish

Summary

SECTION 1 GENERAL

Everyday Use

Explains basic TV operations and functions using the remote control.

Automatic TV Tuning

Guides users through the initial TV setup and channel tuning process.

Finding Video Channels

How to locate the signal from connected video equipment like VCRs.

Selecting Digital and Analogue Mode

How to switch between digital and analog TV reception modes.

Additional Remote Operations

Explains how to use various remote control buttons for TV functions.

Digital and Analogue Text Services

Viewing Digital Text

How to access and view digital text services provided by broadcasters.

Viewing Analogue Text

How to access and view analogue text services, typically via page 100 index.

Fastext Functionality

Explains how to use Fastext for quick navigation of text pages.

The Digital Electronic Programme Guide (EPG)

Understanding the EPG

Explains the purpose and benefits of the Digital EPG.

Using the Category Pop-up List

How to use the category list to filter channels in the EPG.

Programme Recording with EPG

Details on how to set up programme recordings using the EPG.

Using the TV Menu System

Picture Adjustment Menu

Explains how to adjust picture settings like contrast, brightness, and color.

Sound Adjustment Menu

Guides on adjusting sound settings such as treble, bass, and balance.

Detail Adjustment Menu

Options for fine-tuning audio features like Dolby Virtual and Auto Volume.

Digital Setup and Tuning

Digital Setup Options

Configure subtitles, audio languages, parental locks, and technical settings.

Digital Tuning Procedures

Learn how to perform auto tuning, edit the program list, and manually tune channels.

Connecting Other Equipment to the TV

Viewing Pictures from a Connected VCR

How to view VCR content, with or without a fully wired scart lead.

Viewing from Rear Sockets

How to view content from devices connected to the TV's rear input ports.

Viewing from Front Sockets

How to view content from devices connected to the TV's front input ports.

SECTION 2 DISASSEMBLY

Rear Cover Removal

Instructions for removing the rear cover of the TV set.

Chassis Removal and Refitting

Procedures for removing and reattaching the main chassis assembly.

SECTION 2 DISASSEMBLY

A Board Removal - Step 1

Step 1 of removing the A Board from the chassis.

A Board Removal - Step 2

Step 2 of removing the A Board from the chassis.

F3 Board Removal

Instructions for removing the F3 Board.

SECTION 2 DISASSEMBLY

A1 Board Removal

Instructions for removing the A1 Board.

Service Position for Chassis

How to position the chassis for servicing specific boards.

N Board Removal

Instructions for removing the N Board.

SECTION 2 DISASSEMBLY

Picture Tube Removal Procedure

Detailed procedure for removing the CRT picture tube, including safety precautions.

SECTION 2 DISASSEMBLY

Main-Bracket Bottom Plates Removal and Refitting

How to remove and refit bottom plates on the main bracket for servicing.

SECTION 3 SET-UP ADJUSTMENTS

Beam Landing Adjustment

Adjusting beam landing for optimal picture geometry and color alignment.

Convergence Adjustment

Adjusting color convergence for accurate red, green, and blue beam alignment.

Focus Adjustment

Adjusting focus control for sharp and clear picture display.

Screen (G2) and White Balance Adjustment

Adjusting screen grid (G2) and white balance for proper picture brightness and color temperature.

SECTION 3 SET-UP ADJUSTMENTS

Convergence Adjustment Details

Detailed steps for adjusting horizontal and vertical static convergence.

BMC Magnet Operation for Convergence

Using BMC magnets to adjust dot positions for convergence.

SECTION 3 SET-UP ADJUSTMENTS

Geometry Adjustments

General geometry adjustments including YCH and TLV.

Screen Corner Convergence Correction

Correcting corner convergence defects using permalloy magnets.

SECTION 3 SET-UP ADJUSTMENTS

Focus Adjustment Details

Detailed steps for adjusting the focus control for optimal screen clarity.

Screen G2 and White Balance Adjustment Details

Procedures for adjusting screen G2 and white balance in service mode.

SECTION 4 CIRCUIT ADJUSTMENTS

Electrical Adjustments

Performing service adjustments using the remote commander.

Accessing the Service Mode

Step-by-step guide to accessing the TV's service mode.

Service Menu: Geometry Settings

Geometry adjustment parameters available in the service menu.

Service Menu: IF Adjust Settings

Intermediate Frequency (IF) adjustment parameters.

SECTION 4 CIRCUIT ADJUSTMENTS

Deflection System Adjustments

Adjustments related to the TV's deflection system for image geometry.

Sub Brightness Adjustment

Adjusting sub-brightness settings in the service menu.

Sub Contrast Adjustment

Adjusting sub-contrast settings in the service menu.

Sub Colour Adjustment

Adjusting sub-colour settings for accurate color reproduction.

5-1. BLOCK DIAGRAMS (1)

B1 Board Block Diagram

Block diagram for the B1 board (Y,U,V Switching).

C Board Block Diagram

Block diagram for the C board (R,G,B Out).

D2 Board Block Diagram

Block diagram for the D2 board (Smart Mode Deflection).

F3 Board Block Diagram

Block diagram for the F3 board (Lightning Discharge, Fuse, Line Filters).

F5 Board Block Diagram

Block diagram for the F5 board (AC Input, LED, SIRCS).

H5 Board Block Diagram

Block diagram for the H5 board (Headphone, SVHS and Phono).

VM Board Block Diagram

Block diagram for the VM board (Velocity Modulation).

5-1. BLOCK DIAGRAMS (2)

A1 Board Block Diagram

Block diagram for the A1 board (Digital Front End Processing).

A Board Block Diagram (Part 1)

Part 1 of the block diagram for the A board (Power Supply, Audio).

5-1. BLOCK DIAGRAMS (3)

A Board Block Diagram (Part 2)

Part 2 of the block diagram for the A board (Deflection, Power Supply).

5-2. CIRCUIT BOARD LOCATION

Schematic Diagrams and Printed Wiring Boards

References to schematic diagrams and printed wiring boards for various TV boards.

A Board IC Voltage Table

Table of IC voltage readings for the A Board.

A Board Waveforms

Waveform examples for the A Board.

A1 Printed Wiring Board Conductor Side A

A1 Board Semiconductor Location Table (Side A)

Table listing semiconductor locations for A1 Board side A.

A1 Printed Wiring Board Conductor Side B

A1 Board Semiconductor Location Table (Side B)

Table listing semiconductor locations for A1 Board side B.

A1 Board Schematic Diagram [Digital Front End Processing] Page 2/2

A1 Board Difference Table

Difference table for components on the A1 Board.

C Board Schematic Diagram [R-G-B Out]

C Board Semiconductor Voltages

Voltage readings for semiconductors on the C Board.

C Board Difference Table

Difference table for components on the C Board.

C Board IC Voltages

Voltage readings for ICs on the C Board.

C Board Waveforms

Waveform examples for the C Board.

D2 Board Schematic Diagram [Smart Mode Deflection]

D2 Board Difference Table

Difference table for components on the D2 Board.

VM Board Schematic Diagram [Velocity Modulation]

VM Board Difference Table

Difference table for components on the VM Board.

5-5. IC BLOCK DIAGRAMS

A Board IC501 STV9379A Block Diagram

Block diagram for IC501 (STV9379A) on the A Board.

A Board IC401/IC531 LM393DT Block Diagram

Block diagram for IC401/IC531 (LM393DT) on the A Board.

A Board IC601 MCZ3001D Block Diagram

Block diagram for IC601 (MCZ3001D) on the A Board.

A Board IC1201 TDA7495S Block Diagram

Block diagram for IC1201 (TDA7495S) on the A Board.

SECTION 6 EXPLODED VIEWS

6-1. CHASSIS Exploded View

Exploded view of the TV chassis and its main components.

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