EasyManua.ls Logo

Qls 14N23 User Manual

Default Icon
54 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
SERVICE MANUAL
MODEL: 14N23
CHASSIS: M123SP
Question and Answer IconNeed help?

Do you have a question about the Qls 14N23 and is the answer not in the manual?

Qls 14N23 Specifications

General IconGeneral
BrandQls
Model14N23
CategoryTV
LanguageEnglish

Summary

Safety Precautions and Warnings

General Safety Warnings

Important safety instructions including cautions regarding electrical shock and radiation exposure.

Personal Safety Guidelines

Instructions for personal safety during operation and handling of the television set.

Protection and Location Advice

Guidance on protecting the set and choosing an appropriate location for operation.

Antenna Grounding and Safety

Instructions for proper antenna grounding and placement near power lines.

Operation and Service Safety

Safety guidelines for operating the set, troubleshooting, and service modifications.

TV Specifications

Master Data and Reception Specs

Key data like model, chassis, destination, and reception system specifications.

Picture Processing and Display Specs

Specifications for picture enhancement, controls, and display characteristics.

User Interface and Cabinet Details

Details on menu languages, user interface features, and cabinet specifications.

Controls, Indicators, and Connectors

Information on front panel controls, indicators, remote, and various connectors.

Packaging and Miscellaneous Specs

Details on carton color, manuals, labels, mains voltage, and power consumption.

Alignment Procedure

Alignment Procedure Contents

Table of contents listing all alignment procedures and related data.

Alignment Procedure Summary and Modes

Overview of the alignment procedure, operation modes, and special modes.

B+ Voltage and RF AGC Adjustment

Procedures for adjusting B+ voltage and RF AGC parameters.

Screen, Focus, and White Balance Adjustment

Steps for adjusting screen/focus voltage and white balance alignment.

Geometric, Brightness, and X-Ray Protection Tests

Procedures for geometric adjustment, sub-brightness, and X-ray protection tests.

PS Line Polarity and Power Tests

Tests for PS line polarity and random power consumption.

High Voltage, Heater Voltage, and EEPROM Data

Tests for high voltage, heater voltage, and EEPROM data parameters.

EEPROM Data Parameters (FAC 03-09)

Tables detailing EEPROM data for various adjustment factors (FAC 03-09).

EEPROM Data Parameters (FAC 10-17)

Tables detailing EEPROM data for various adjustment factors (FAC 10-17).

EEPROM Data Parameters (FAC 18-25)

Tables detailing EEPROM data for various adjustment factors (FAC 18-25).

Schematic Diagram

IC Introduction and Features

MCU and Signal Processor Overview

Introduction to the TMPA8873PSNG as a MCU and signal processor for PAL/NTSC TVs.

MCU and Decoder Features

Detailed features of the MCU, CCD Decoder, and OSD functionalities.

TV Processor Features

Features related to IF, RGB/Base-Band, Sync, and AV switching.

TMPA8873PSNG Block Diagram

Block diagram illustrating the internal architecture of the TMPA8873PSNG IC.

TMPA8873PSNG Basic Structure

Details on internal IC connections, power supply requirements, and crystal resonator.

TMPA8873PSNG Terminal Interface (MCU Block)

Pin configurations and functions for the MCU block (P61 to Reset).

TMPA8873PSNG Terminal Interface (MCU Block - cont.)

Pin configurations and functions for the MCU block (Xout to P52).

TMPA8873PSNG Terminal Interface (MCU Block - cont.)

Pin configurations and functions for the MCU block (P51 to P31).

TMPA8873PSNG Terminal Interface (MCU Block - cont.)

Pin configurations and functions for the MCU block (P30 to P63).

TMPA8873PSNG Signal Processor Block

Pin configurations and functions for the Signal Processor block (DEF AGND to A GND).

TMPA8873PSNG Signal Processor Block (cont.)

Pin configurations and functions for the Signal Processor block (Y in to ABCL).

TMPA8873PSNG Signal Processor Block (cont.)

Pin configurations and functions for the Signal Processor block (Au out 1 to IF Vcc 5V).

TMPA8873PSNG Signal Processor Block (cont.)

Pin configurations and functions for the Signal Processor block (Reg Fil to APC filter).

TMPA8873PSNG Signal Processor Block (cont.)

Pin configurations and functions for the Signal Processor block (YC Vcc 5V to TV DGND).

Signal Processor Function Descriptions

Descriptions of PIF VCO, sound filters, AFT, and non-standard IF signals.

AV Switch, Sharpness, SVM, and Chroma

Features for AV switch, asymmetric sharpness, SVM, chroma demodulator, and color systems.

OSD Interface and Noise Detection

Transparent OSD interface and noise level detection functionalities.

Signal Detection and Control

Signal detection flags, control mechanisms, and Thai mono-bilingual system.

PCB Layout

Exploded View and Parts List

Exploded Assembly Diagram

Visual representation of the television's assembly with numbered parts.

Part Number and Quantity List

List of parts with part numbers, quantities, and descriptions.

Bill of Materials (BOM) - Part 1

Detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 2

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 3

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 4

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 5

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 6

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 7

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 8

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 9

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 10

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 11

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 12

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 13

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 14

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 15

Continued detailed list of electronic components, part numbers, and locations.

Bill of Materials (BOM) - Part 16

Continued detailed list of electronic components, part numbers, and locations.

Related product manuals