Daewoo DTY-21B4 User Manual

http : //svc.dwe.co.kr
Caution
: In this Manual, some parts can be changed for improving. their
performance without notice in the parts list. So, if you need the
latest parts information, please refer to PPL(Parts Price List)in
Service Information Center(http://svc.dwe.co.kr)
DAEWOO ELECTRONICS Corp.
Service Manual
June. 2004
COLOR TELEVISION
CHASSIS : CP-520
MODEL : DTY-28A8/28A6/28A7
DTY-2880/28W5
DTY-21U7/21B4
DTY-25G6/25G7
CHASSIS : CP-520A
MODEL : DTC-20T2
DTC-21Y1/21Y2
CHASSIS : CP-520F
MODEL : DTZ-29U7/U3
DTZ-2881/28W8
DTZ-2481
P/N:TCP520BEF0

Daewoo DTY-21B4 Specifications

General

Brand	Daewoo
Model	DTY-21B4
Category	TV
Language	English

Summary

Main Features

Specifications

General specifications including TV standard, colour system, sound system, power consumption.

Channel/Frequency Table

Table listing channel numbers and corresponding frequencies for different regions.

Safety Instruction

X-Ray Radiation Precaution

Precautions regarding potential X-RAY radiation hazards and protective measures.

Safety Precaution

General safety precautions for handling high voltage equipment and avoiding electrical shock.

Product Safety Notice

Notice regarding special safety-related characteristics of electrical and mechanical parts.

Alignment Instructions

Microcontroller Configuration: Service Mode

Procedure to switch the TV set into service mode for adjustments.

Service Mode Navigation

Instructions on how to navigate through the service mode menus and items.

Microcontroller Configuration: Option Bits

Explanation of option bits configuration for customizing TV features.

Option 1

Details on OPTION 1 settings, including Teletext and Tuner options.

Option 2

Details on OPTION 2 settings, including remote control and picture tilt options.

NVM Default Setting

Instructions for modifying NVM data via FACTORY and NVM EDITOR modes.

TV Set Alignment

Procedures for various TV picture alignments and adjustments.

AGC

Procedure for adjusting the Automatic Gain Control (AGC) and tuner takeover point.

IC Description

UOC Series

Overview of the UOC III series, its features, and capabilities.

TDA8946J Stereo Audio Amplifier

Details and features of the TDA8946J stereo audio amplifier IC.

TDA8358J Vertical Amplifier

Features and pin description of the TDA8358J vertical amplifier IC.

TDA6107AJF

Features and pin description of the TDA6107AJF video output amplifier IC.

24WC16 - 16 KB EEPROM

Features and pin description of the 24WC16 EEPROM memory device.

STR - F6653

Description, features, and diagrams of the STR-F6653 IC.

Circuit Description

Block Diagram

Overall block diagram of the TV's main functional units and connections.

Functional Description of Video Processor

Detailed functional descriptions of the video processor components.

General Description of the TV Sound Processor

Overview of the TV sound processor, its capabilities, and supported standards.

Functional Description Sound Processor

Functional overview of the sound processor's digital controller and demodulator.

Service Parts List

DTY--28A8FZF-S

Service parts list for the DTY-28A8FZF-S model.

DTC-21Y1FZF-S

Service parts list for the DTC-21Y1FZF-S model.

Exploded View

DTY-28A8

Exploded view of the DTY-28A8 television chassis and components.

DTY-2880

Exploded view of the DTY-2880 television chassis and components.

DTY-21U7

Exploded view of the DTY-21U7 television chassis and components.

DTC-20T2

Exploded view of the DTC-20T2 television chassis and components.

DTC-21Y1

Exploded view of the DTC-21Y1 television chassis and components.

DTZ-29U7

Exploded view of the DTZ-29U7 television chassis and components.

DTZ-2881

Exploded view of the DTZ-2881 television chassis and components.

DTZ-2481

Exploded view of the DTZ-2481 television chassis and components.

Printed Circuit Board

4859809693(CP-520)

Printed circuit board layout for the CP-520 model.

4859809893(CP-520A)

Printed circuit board layout for the CP-520A model.

4859809993(CP-520F)

Printed circuit board layout for the CP-520F model.

Schematic Diagram

CP-520

Schematic diagram for the CP-520 television model.

CP-520A

Schematic diagram for the CP-520A television model.

CP-520F

Schematic diagram for the CP-520F television model.