Sony KV-BT212M70 User Manual

TRINITRON ® COLOR TV
CHASSIS
SERVICE MANUAL
BX1S
MODEL COMMANDER DEST. CHASSIS NO.
KV-BT212M40 RM-W101 E SCC-U98S-A
KV-BT212M50 RM-W101 Vietnam SCC-V07P-A
KV-BT212M50 RM-W101 GE SCC-V04M-A
KV-BT212M70 RM-W101 Russia SCC-V13B-A
KV-BT212M80 RM-W101 Saudi Arabia SCC-V10S-A
KV-BT212M80 RM-W101 Russia SCC-V13C-A
KV-BT212M90 RM-W101 Hong Kong SCC-U97L-A
KV-BT212N80 RM-W150 Taiwan SCC-V05K-A
MODEL COMMANDER DEST. CHASSIS NO.
RM-W101 RM-W150

Sony KV-BT212M70 Specifications

General

Brand	Sony
Model	KV-BT212M70
Category	TV
Language	English

Summary

Model and Chassis Information

Service Manual Overview

Overview of the BX1S Chassis Service Manual.

Self-Diagnostic Function

Diagnostic Test Indicators

Interpreting STANDBY indicator flashes for error diagnosis.

STANDBY Indicator Flash Count and Screen Display

Self-diagnosis flash counts and screen display interpretation.

Self-Diagnostic Screen Handling and Circuit

Procedures for clearing results, circuit description, and exiting self-diagnosis.

Section 1: Disassembly

Disassembly Procedures

Covers rear cover, speaker, chassis, and board removal steps.

Picture Tube and Anode-Cap Removal

Instructions for removing picture tube and anode cap with safety precautions.

Section 2: Set-up Adjustments

Beam Landing Adjustment

Adjusting electron beam landing for optimal color convergence.

Convergence Adjustment

Detailed steps for static and dynamic convergence using magnets and controls.

Focus, G2, White Balance, and Sub Bright Adjustments

Procedures for focus, screen (G2), white balance, and sub-brightness adjustments.

Section 3: Circuit Adjustments

Service Mode Operations

Entering, cancelling, writing, and confirming adjustments in service mode.

Adjustment Method and Remote Functions

General adjustment procedures and other functions via remote commander.

Picture Quality and Deflection Adjustments

Adjusting picture quality (PMAX, SUB HUE) and deflection geometry.

Picture Size and Center Adjustments

Adjusting H. SIZE, V. SIZE, V. CENTER, and H. CENTER for distortion.

Linearity, Correction, and Pin Adjustments

Adjustments for vertical linearity, correction, pin amp, and trapezoid distortion.

Section 4: Diagrams

Block Diagram

Overall functional block diagram of the TV system.

Circuit Boards and Schematic Information

Location of boards and explanation of schematic symbols and conventions.

C Board Schematic Diagram

Detailed schematic for the C Board (Video Amp).

A Board - Processor Schematic

Schematic diagram for the A Board's Processor (Block 001).

A Board - Audio Schematic

Schematic diagram for the A Board's Audio (Block 002).

A Board - Power Supply Schematic

Schematic diagram for the A Board's Power Supply (Block 003).

A Board - Deflection Schematic

Schematic diagram for the A Board's Deflection (Block 004).

A Board - Tuner Schematic

Schematic diagram for the A Board's Tuner (Block 005).

A Board - Jack Schematic

Schematic diagram for the A Board's Jack (Block 006).

A Board - Heat Sink Diagram

Diagram showing heat sink mounting for A Board components (Block 007).

Voltage Measurement and Waveform Guide

Measured voltages and waveforms for troubleshooting specific IC pins.

A Board Printed Wiring Board Layout

Layout diagram of the A Board's printed wiring for component placement.

C Board Printed Wiring Board Layout

Layout diagram of the C Board's printed wiring for component placement.

Semiconductor Component Identification

Illustrations and identification of diodes, transistors, ICs, and SOPs.

Section 5: Exploded Views

Chassis Exploded View and Parts

Exploded view of the TV chassis with part numbers for assembly.

Section 6: Electrical Parts List

Capacitor List

Detailed list of capacitor part numbers, types, and specifications.

Semiconductor Parts List

List of semiconductor part numbers and types.

Transistor and Resistor Lists

Part numbers and specifications for transistors and resistors.

Transformers, Thermistors, Tuners, and Connectors

Part numbers for transformers, thermistors, tuners, and connectors.

Diodes and Accessories

List of diodes, accessories, packing materials, and remote commander details.

Supplement-1: Model Addition

Model and Chassis Information Update

List of models and chassis, noting the addition of KV-BT212M80(E).

Supplement-1: Model Specific Options

Model Option Data (OPB1, OPB2, OPB3)

Details for KV-BT212M80(E) options: Speed Search, TV System, NICAM, A2 settings.

Model Option Data (OPB4, OPB5)

Details for KV-BT212M80(E) options: Surround, Equalizer, Picture settings.

Model Option Data (OPB6)

Details for KV-BT212M80(E) options: 3D OSD, OSD Language.

Section 4-5: Printed Wiring Boards and Parts Location

A Board Layout Diagram

Layout diagram of the A Board's printed wiring for component placement.

C Board Layout Diagram

Layout diagram of the C Board's printed wiring for component placement.

Supplement-2: Part Change

Model Part Change Information

Notes on part changes for specific models.