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Sony KV-PF21N70 - User Manual

Sony KV-PF21N70
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KV-PF21DK7 RM-952 ME SCC-U30G-A
KV-PF21M70 RM-952 E SCC-U13E-A
KV-PF21N70 RM-915 Taiwan SCC-P13F-A
KV-PF21P70 RM-952 E SCC-U13F-A
KV-PF21Q40 RM-952 GE SCC-U12P-A
KV-PF21Q70 RM-952 E SCC-U13H-A
KV-PF51P40 RM-952 Indonesia SCC-U20N-A
MODEL COMMANDER DEST. CHASSIS NO.
CHASSIS
TRINITRON
®
COLOR TV
SERVICE MANUAL
BG-3S
MODEL COMMANDER DEST. CHASSIS NO.
RM-915 RM-952
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Summary

Self-Diagnostic Function

Diagnostic Test Indicators

Explains STANDBY/TIMER lamp flashes for error diagnosis and probable causes.

Display of Standby;Timer Light Flash Count

Visual representation of flash counts for diagnostic items.

Stopping the Standby;Timer Flash

Procedure to stop the flashing indicator lamp by turning off the TV.

Self-Diagnostic Screen Display

How to display and interpret error codes on the TV screen.

Handling of Self-Diagnostic Screen Display

Procedures for clearing diagnostic results and quitting the screen.

Self-Diagnostic Circuit

Overview of the circuit responsible for self-diagnosis functions.

General Information and Initial Setup

Safety Warnings

Important safety precautions and warnings for operating the TV.

Using Your New TV

Guide to initial setup, connecting antenna, and VCR.

Connecting Optional Components

Instructions for connecting video equipment like camcorders or game consoles.

Securing the TV

Methods to prevent the TV from falling, ensuring stability.

Presetting Channels

Steps for automatically and manually tuning TV channels.

Watching the TV

Basic operations for viewing TV, including remote control functions.

Advanced Operations

Customizing picture and sound settings and modes.

Blocking Channels (Child Lock)

Feature to prevent children from watching specific TV programs.

Troubleshooting and Problem Solving

Troubleshooting Shortcuts

Quick reference guide for common connection and signal issues.

Specific Model Troubleshooting

Troubleshooting steps tailored for different TV models.

Troubleshooting Common Symptoms

Detailed solutions for various picture and sound problems.

Disassembly Procedures

Rear Cover Removal

Steps to remove the TV's rear cover for access.

Chassis Assembly Removal

Procedure for removing the main chassis assembly.

F Bracket Removal

Instructions for removing the F bracket.

Service Position

How to place the TV in a service-friendly position.

Replacement of Parts

Procedures for replacing internal components like buttons.

Terminal Bracket Removal

Steps to remove the terminal bracket.

Degauss Coil Removal

Procedure for removing the degauss coil.

Picture Tube Removal

Instructions for safely removing the picture tube.

Anode Cap Handling

Procedures for removing and safely handling the anode cap.

Set-up Adjustments

Beam Landing Adjustment

Adjusting beam landing using pattern generator and degausser.

Convergence Adjustment

Adjusting static, dynamic, and screen-corner convergence.

Focus Adjustment

Adjusting the focus control on the flyback transformer.

G2 (Screen) and White Balance Adjustments

Adjusting G2, white balance, and sub-bright settings.

Circuit Adjustments and Technical Data

Adjustments with Commander

Procedures for entering service mode and making adjustments.

Adjustment Method

General method for selecting and adjusting items via commander.

Picture Quality Adjustments

Adjusting sub-color, sub-hue, and bell filter settings.

A Board Adjustment After IC003 Replacement

Procedures for initializing and adjusting the A board after memory IC replacement.

Picture Distortion Adjustment

Adjusting various parameters to correct picture distortion.

Diagrams and Schematics

Block Diagram

Overall system block diagram of the TV.

Frame Schematic Diagram

Simplified schematic showing major functional blocks.

Circuit Boards Location

Diagram showing the physical placement of circuit boards.

Schematic Diagrams and Printed Wiring Boards

Detailed schematics and PWB layouts for various sections.

A Board Waveforms

Illustrations of critical waveforms on the A board.

Semiconductors

List and images of diodes, transistors, and ICs used.

Exploded Views and Parts List

Chassis Exploded View

Exploded diagram of the TV chassis with part numbers.

Electrical Parts List

Comprehensive list of electronic components and their part numbers.

Accessories and Packing Materials

List of included accessories and packing items.

Summary

Self-Diagnostic Function

Diagnostic Test Indicators

Explains STANDBY/TIMER lamp flashes for error diagnosis and probable causes.

Display of Standby;Timer Light Flash Count

Visual representation of flash counts for diagnostic items.

Stopping the Standby;Timer Flash

Procedure to stop the flashing indicator lamp by turning off the TV.

Self-Diagnostic Screen Display

How to display and interpret error codes on the TV screen.

Handling of Self-Diagnostic Screen Display

Procedures for clearing diagnostic results and quitting the screen.

Self-Diagnostic Circuit

Overview of the circuit responsible for self-diagnosis functions.

General Information and Initial Setup

Safety Warnings

Important safety precautions and warnings for operating the TV.

Using Your New TV

Guide to initial setup, connecting antenna, and VCR.

Connecting Optional Components

Instructions for connecting video equipment like camcorders or game consoles.

Securing the TV

Methods to prevent the TV from falling, ensuring stability.

Presetting Channels

Steps for automatically and manually tuning TV channels.

Watching the TV

Basic operations for viewing TV, including remote control functions.

Advanced Operations

Customizing picture and sound settings and modes.

Blocking Channels (Child Lock)

Feature to prevent children from watching specific TV programs.

Troubleshooting and Problem Solving

Troubleshooting Shortcuts

Quick reference guide for common connection and signal issues.

Specific Model Troubleshooting

Troubleshooting steps tailored for different TV models.

Troubleshooting Common Symptoms

Detailed solutions for various picture and sound problems.

Disassembly Procedures

Rear Cover Removal

Steps to remove the TV's rear cover for access.

Chassis Assembly Removal

Procedure for removing the main chassis assembly.

F Bracket Removal

Instructions for removing the F bracket.

Service Position

How to place the TV in a service-friendly position.

Replacement of Parts

Procedures for replacing internal components like buttons.

Terminal Bracket Removal

Steps to remove the terminal bracket.

Degauss Coil Removal

Procedure for removing the degauss coil.

Picture Tube Removal

Instructions for safely removing the picture tube.

Anode Cap Handling

Procedures for removing and safely handling the anode cap.

Set-up Adjustments

Beam Landing Adjustment

Adjusting beam landing using pattern generator and degausser.

Convergence Adjustment

Adjusting static, dynamic, and screen-corner convergence.

Focus Adjustment

Adjusting the focus control on the flyback transformer.

G2 (Screen) and White Balance Adjustments

Adjusting G2, white balance, and sub-bright settings.

Circuit Adjustments and Technical Data

Adjustments with Commander

Procedures for entering service mode and making adjustments.

Adjustment Method

General method for selecting and adjusting items via commander.

Picture Quality Adjustments

Adjusting sub-color, sub-hue, and bell filter settings.

A Board Adjustment After IC003 Replacement

Procedures for initializing and adjusting the A board after memory IC replacement.

Picture Distortion Adjustment

Adjusting various parameters to correct picture distortion.

Diagrams and Schematics

Block Diagram

Overall system block diagram of the TV.

Frame Schematic Diagram

Simplified schematic showing major functional blocks.

Circuit Boards Location

Diagram showing the physical placement of circuit boards.

Schematic Diagrams and Printed Wiring Boards

Detailed schematics and PWB layouts for various sections.

A Board Waveforms

Illustrations of critical waveforms on the A board.

Semiconductors

List and images of diodes, transistors, and ICs used.

Exploded Views and Parts List

Chassis Exploded View

Exploded diagram of the TV chassis with part numbers.

Electrical Parts List

Comprehensive list of electronic components and their part numbers.

Accessories and Packing Materials

List of included accessories and packing items.

Sony KV-PF21N70 Specifications

General IconGeneral
BrandSony
ModelKV-PF21N70
CategoryTV
LanguageEnglish

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