EasyManua.ls Logo

Daewoo DTQ-20N3FC User Manual

Daewoo DTQ-20N3FC
43 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Service Manual
Color Television
DAEWOO ELECTRONICS CO., LTD.
CHASSIS
:
CN-115I
NTSC-M SYSTEM
MODEL
:
DTQ-14N2FC/FS/FSP
DTQ-20N2FC/FS/FSP
DTQ-14J2FC/FS/FSP
DTQ-20J2FC/FS/FSP
DTQ-14N3FC/FS/FSP
DTQ-20N3FC/FS/FSP
Question and Answer IconNeed help?

Do you have a question about the Daewoo DTQ-20N3FC and is the answer not in the manual?

Daewoo DTQ-20N3FC Specifications

General IconGeneral
BrandDaewoo
ModelDTQ-20N3FC
CategoryTV
LanguageEnglish

Summary

Safety Checks

Fire & Shock Hazard

Details on preventing fire and electrical shock hazards during servicing.

X-Radiation Precautions

Precautions and checks related to X-radiation emitted from the CRT.

Implosion & Installation Safety

Safety considerations for preventing picture tube implosion and safe installation.

Graphic Symbols

Control View

Important Service Notes

Radiation & Safety Precautions

Critical warnings and procedures regarding X-ray radiation and general safety.

Product Safety & Service Tips

Information on safety-related parts and general servicing advice.

Block Diagram

General Adjustments

General & Picture Adjustments

Basic picture adjustments including height, focus, RF AGC, and gray scale.

High Voltage and X-Radiation Checks

Procedures for checking high voltage and X-radiation protection circuit.

Main B+(103V) Adjustment

Procedure to adjust the main B+ voltage supply.

General Adjustments (Continued)

Sub-Brightness Adjustment

Procedure to adjust the sub-brightness for optimal picture appearance.

Convergence Magnet Assembly Positioning

Instructions for positioning the convergence magnet assembly.

Color Purity Adjustment

Steps for adjusting color purity for accurate color reproduction.

Convergence Adjustments

Center Convergence Adjustment

Adjusting convergence magnets for proper center alignment.

Circumference Convergence Adjustment

Adjusting the deflection yoke for circumference convergence.

Picture IF/AFT Adjustments

Test Equipment

List of required test equipment for IF/AFT alignment procedures.

Block Diagram

Diagram illustrating the signal path for IF/AFT alignment.

Trouble Shooting Charts

Troubleshooting: No Picture

Troubleshooting: No Sound

Troubleshooting: Channel Don't Stop

Troubleshooting: No Color

Troubleshooting: No Vertical Deflection

Troubleshooting: On Screen Display

Troubleshooting: Remote Control

Description of Semiconductors

IC501 LA7674 Description

Detailed description and pin functions of the IC501 LA7674.

Pin Assignment: IC LC864616A(1701)

Exploded View: DTQ-14N2FC

Exploded View: DTQ-20N2FC

Exploded View: DTQ-14J2FC

Exploded View: DTQ-20J2FC

Exploded View: DTQ-14N3FC

Exploded View: DTQ-20N3FC

Schematic Diagram

Parts List: DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Parts List (Continued): DTQ-14N2FC

Option List

CN-115I Model Line-Up

Overview of different Daewoo CN-115I TV models and their specifications.

CN-115I Power Option

Details on power options and component differences across models.

Option List (Continued)

CN-1151 AV Option

CN-1151 14"/20" Option (Main PCB)

Engineer Note

Related product manuals