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Sony KV-20V series - User Manual

Sony KV-20V series
94 pages
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KV-[13M40/50/51], KV-[14MB40/40C/40A], KV-[20M40/S40/S41/V80], KV-[21SE40/40A/40C/80/80A/80C],
KV-[21MB40C/40M/40P], KV-[21ME40/40P], KV-[21SB40/40M/40P], KV-21XT4A
TRINITRON
®
COLOR TV
KV-13M40
RM-Y156 US SCC-S01E-A
KV-13M40
RM-Y156 CND SCC-S03D-A
KV-13M50
RM-Y156 US SCC-S01G-A
KV-13M51
RM-Y156W US SCC-S01F-A
KV-14MB40
RM-Y156 E SCC-S04P-A
KV-14MB40C
RM-Y156 E SCC-S04N-A
KV-14MB40A
RM-Y156 E SCC-S04Q-A
KV-20M40
RM-Y156 US SCC-S01A-A
KV-20M40
RM-Y156 CND SCC-S03C-A
KV-20S40
RM-Y155 US SCC-S01C-A
KV-20S40
RM-Y155 CND SCC-S03A-A
KV-20S41
RM-Y156W US SCC-S01B-A
KV-20S41
RM-Y156W CND SCC-S03L-A
KV-20V80
RM-Y135A US SCC-S01D-A
KV-20V80
RM-Y135A CND SCC-S03B-A
MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO.
KV-21SE80A
RM-Y135A E SCC-S04M-A
KV-21MB40C
RM-Y156 E SCC-S04F-A
KV-21MB40M
RM-Y156 MX SCC-S02B-A
KV-21MB40P
RM-Y156 E SCC-S04E-A
KV-21ME40
RM-Y156 E SCC-S04B-A
KV-21SB40C
RM-Y155 E SCC-S04H-A
KV-21SB40M
RM-Y155 MX SCC-S02A-A
KV-21SB40P
RM-Y155 E SCC-S04J-A
KV-21SE80
RM-Y135A E SCC-S04L-A
KV-21SE80C
RM-Y135A E SCC-S04K-A
KV-21SE40
RM-Y155 E SCC-S04A-A
KV-21SE40C
RM-Y155 E SCC-S04C-A
KV-21SE40A
RM-Y155 E SCC-S04D-A
KV-21XT4A
RM-Y155 E SCC-S04G-A
KV-21ME40C
RM-Y156 E SCC-S04W-A
SERVICE MANUAL
CHASSIS
BA-4
SELF-DIAGNOSTIC FUNCTION

Table of Contents

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Summary

Product Specifications

Power Requirements and Dimensions

Details power, input/output, dimensions, and weight for various TV models.

Safety Precautions and Diagnostics

General Safety Warnings

Important safety warnings regarding electrical shock and component handling.

Self-Diagnostic Functionality

Explains the TV's self-diagnostic feature for error detection and troubleshooting.

Diagnostic Test Indicators

Details how STANDBY/TIMER lamp flashes indicate probable causes of problems.

Self-Diagnostic Screen Usage

Interpreting Error Codes

Describes the meaning of STANDBY/TIMER lamp flash patterns for problem diagnosis.

Accessing and Clearing Data

Instructions on how to display and clear self-diagnostic error codes from memory.

Self-Diagnostic Circuitry

Diagnostic Item Explanations

Explains specific diagnostic items like +B overcurrent, vertical deflection, and white balance.

Post-Service Safety Checks

AC Leakage Testing Procedure

Guidelines and methods for measuring AC leakage current to ensure safety.

Earth Ground Verification Methods

Procedures for finding a reliable earth ground connection for electrical safety tests.

Advanced Features and Video Settings

Timers and Channel Management

Setting sleep timers, daylight saving, ON/OFF timers, and managing channels.

Audio Options and Troubleshooting

Stereo and Bilingual Audio

How to select Stereo, SAP, or Mono sound using the MTS feature.

Troubleshooting Common Issues

Step-by-step guide to resolve common TV problems like no picture or sound.

CRT Component Removal

CRT and Anode Cap Handling

Setup and Alignment Adjustments

Beam Landing Adjustment Process

Procedure for adjusting the beam landing for optimal picture geometry.

Picture Geometry Calibration

Convergence Adjustment Steps

Steps for static and dynamic convergence to align color beams accurately.

Display Calibration Procedures

Focus, Screen (G2), and White Balance

How to adjust focus, screen grid voltage, and white balance for picture clarity.

Safety-Related Electrical Adjustments

HV Hold-Down Confirmation

Procedure to confirm and readjust HV hold-down to prevent potential damage.

B+ Voltage Confirmation and Adjustment

Steps for confirming and adjusting the B+ voltage for stable operation.

Electrical Adjustments via Remote Control

Service Mode Entry and Operation

Guide to entering the service mode and using the remote for essential adjustments.

Board-Specific Adjustments

Feature ID Map and H. Frequency

Feature ID map for model variations and horizontal frequency adjustment procedure.

Video and Geometry Calibration

Display Position and Vertical Settings

Adjusting display position, vertical center, brightness, hue, and linearity.

Circuitry Diagrams and Locations

CRT Drive Circuitry

CRT Signal Path Information

Exploded Views and Parts Identification

Chassis Component Breakdown

Chassis Parts Identification

Exploded View and Parts List

Electrical Parts Listing Structure

Common Parts Listing

Common Component Listings

Shared Component Inventory

General Component Catalog

Resistor and Relay Listings

Miscellaneous Common Parts

Variant A Board Parts Lists

Summary

Product Specifications

Power Requirements and Dimensions

Details power, input/output, dimensions, and weight for various TV models.

Safety Precautions and Diagnostics

General Safety Warnings

Important safety warnings regarding electrical shock and component handling.

Self-Diagnostic Functionality

Explains the TV's self-diagnostic feature for error detection and troubleshooting.

Diagnostic Test Indicators

Details how STANDBY/TIMER lamp flashes indicate probable causes of problems.

Self-Diagnostic Screen Usage

Interpreting Error Codes

Describes the meaning of STANDBY/TIMER lamp flash patterns for problem diagnosis.

Accessing and Clearing Data

Instructions on how to display and clear self-diagnostic error codes from memory.

Self-Diagnostic Circuitry

Diagnostic Item Explanations

Explains specific diagnostic items like +B overcurrent, vertical deflection, and white balance.

Post-Service Safety Checks

AC Leakage Testing Procedure

Guidelines and methods for measuring AC leakage current to ensure safety.

Earth Ground Verification Methods

Procedures for finding a reliable earth ground connection for electrical safety tests.

Advanced Features and Video Settings

Timers and Channel Management

Setting sleep timers, daylight saving, ON/OFF timers, and managing channels.

Audio Options and Troubleshooting

Stereo and Bilingual Audio

How to select Stereo, SAP, or Mono sound using the MTS feature.

Troubleshooting Common Issues

Step-by-step guide to resolve common TV problems like no picture or sound.

CRT Component Removal

CRT and Anode Cap Handling

Setup and Alignment Adjustments

Beam Landing Adjustment Process

Procedure for adjusting the beam landing for optimal picture geometry.

Picture Geometry Calibration

Convergence Adjustment Steps

Steps for static and dynamic convergence to align color beams accurately.

Display Calibration Procedures

Focus, Screen (G2), and White Balance

How to adjust focus, screen grid voltage, and white balance for picture clarity.

Safety-Related Electrical Adjustments

HV Hold-Down Confirmation

Procedure to confirm and readjust HV hold-down to prevent potential damage.

B+ Voltage Confirmation and Adjustment

Steps for confirming and adjusting the B+ voltage for stable operation.

Electrical Adjustments via Remote Control

Service Mode Entry and Operation

Guide to entering the service mode and using the remote for essential adjustments.

Board-Specific Adjustments

Feature ID Map and H. Frequency

Feature ID map for model variations and horizontal frequency adjustment procedure.

Video and Geometry Calibration

Display Position and Vertical Settings

Adjusting display position, vertical center, brightness, hue, and linearity.

Circuitry Diagrams and Locations

CRT Drive Circuitry

CRT Signal Path Information

Exploded Views and Parts Identification

Chassis Component Breakdown

Chassis Parts Identification

Exploded View and Parts List

Electrical Parts Listing Structure

Common Parts Listing

Common Component Listings

Shared Component Inventory

General Component Catalog

Resistor and Relay Listings

Miscellaneous Common Parts

Variant A Board Parts Lists

Sony KV-20V series Specifications

General IconGeneral
BrandSony
ModelKV-20V series
CategoryOther
LanguageEnglish

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