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LG 47LM670S-ZA User Manual

LG 47LM670S-ZA
119 pages
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Printed in KoreaP/NO : MFL67360917 (1204-REV00)
CHASSIS : LD22E
MODEL: 42LM660S/660T/669S/669T
MODEL: 42LM660S/660T-ZA 42LM669S/669T-ZC
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
LED LCD TV
SERVICE MANUAL
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
Internal Use Only

Table of Contents

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LG 47LM670S-ZA Specifications

General IconGeneral
BrandLG
Model47LM670S-ZA
CategoryLCD TV
LanguageEnglish

Summary

Safety Precautions

Important Safety Notice

Essential safety parts should be replaced with same components to prevent hazards.

Servicing Precautions

General Servicing Precautions

General guidance for safe servicing, including unplugging before work.

Electrostatically Sensitive (ES) Devices

Techniques to reduce component damage from static electricity.

General Soldering Guidelines

Proper soldering techniques for electronic components.

Specification

1. Application range

Specifies the chassis the manual applies to.

2. Requirement for Test

Conditions and parameters for testing TV components and performance.

3. Test method

Methods for testing performance, safety, and EMC compliance.

4. Model General Specification

Details market specifications and supported countries/standards.

2. Broadcasting system

Lists supported analog and digital broadcasting standards.

3. Receiving system

Details analog and digital receiving system specifications and modulations.

9. HDMI Input (4EA)

Lists the four HDMI inputs and their support for HDCP.

12. USB (3EA)

Lists the three USB ports and supported file formats.

Adjustment Instruction

1. Application Range

Specifies the TV models and chassis the instructions apply to.

2. Designation

Notes about servicing conditions and precautions.

3.1. ADC Adjustment Overview

Explains the purpose of ADC adjustment for black level and gain.

3.2. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/L

Procedures for downloading MAC, CI+, Widevine, and ESN keys.

3.3. LAN

Details LAN connectivity and inspection.

3.3.2. LAN Inspection Solution

Details steps for inspecting LAN connection and settings.

3.4. LAN PORT INSPECTION(PING TEST)

Procedure for performing a LAN port ping test.

3.5. Model name & Serial number Download

Procedure for downloading model and serial numbers via RS232.

3.6. CI+ Key checking method

How to check the CI+ key value via Instart menu and RS232.

3.7. WIFI MAC ADDRESS CHECK

How to check the WiFi MAC address using RS232 or Instart menu.

4. Manual Adjustment

Covers manual adjustment procedures.

4.2. White Balance Adjustment

Details the automatic and manual methods for white balance adjustment.

4.2.5. Adj. method

Step-by-step methods for performing white balance adjustment.

4.3. EYE-Q function check

Steps to check the Eye-Q function using the remote control.

4.4. Local Dimming Function Check

Steps to verify the functionality of the local dimming feature.

4.5. Magic Motion Remote control test

Procedure for testing the Magic Motion remote control.

4.6. 3D function test

Instructions for testing the 3D functionality with specific patterns.

4.7. Wi-Fi Test

Steps to test the Wi-Fi connection and network detection.

4.8. LNB voltage and 22KHz tone check

How to check LNB voltage and 22KHz tone for DVB-S/S2 models.

4.12. GND and Internal Pressure check

Preparation and steps for auto-checking GND and internal pressure.

6. USB S/W Download (Service only)

Screw Assembly Working Guide

Block Diagram

Exploded View

Power Block Schematics

Level Shifter Block Schematics

Renesas MICOM

MICOM MODEL OPTION

Options related to the MICOM model configuration.

Eye Sensor Option

Options and settings related to the eye sensor.

GP4 Backend block diagram (EPI & T-con)

CI POWER ENABLE CONTROL

TUNER (EU & CHINA)

DVB-S2 LNB Part Allegro

Commercial 12V Output (RS-232C)

Audio Output Jack (Commercial)

Connector details for commercial audio output.

Commercial Audio Output

LVDS

LOCAL DIMMING

eMMC I/F

LOGO_LIGHT

EPI Interface

EPI Interface Features

Lists key features of the EPI interface.

EPI Interface Merits

Highlights the advantages of the EPI interface.

EPI Interface (mini-LVDS vs. EPI)

Comparison

Compares HF mini-LVDS with EPI interface features and capabilities.

What to change

Shows the evolution from mini-LVDS to EPI for LCM.

MTK5369 Block Diagram( LM76 )

Jack Interface

GP4 Backend block diagram (EPI & T-con)

GP4 Backend block diagram (LVDS Tx & Local Dimming)

2012Y IR + Soft touch PCB Pinmap

Circuit Block Diagram

Block diagram of the IR and soft touch PCB.

Key1, Key2 Voltage

Specifies voltage tolerances for key inputs.

Pin Configuration

Details the pin assignments for the IR/soft touch PCB connector.

2012Y IR + Soft Touch LED Lighting Scenario

Power LED Scenario

Describes the LED lighting scenarios for different conditions and models.

Introductions of GP4 Sensor (Touch IC)

Touch Key Threshold Level (Ta = 25ºC )

Specifies touch key threshold levels and how to read touch data.

Manual of Touch Sensitivity

Guide for adjusting touch sensitivity.

Touch EEPROM Register change with USB port

Introductions of 12Y RF ass’y + Magic Remote control

1. System

2. Remote Buttons (M3 vs. M4)

3. M4 Block Diagram

4. Function list

5. RF Pairing / Un-pairing Method

Introductions of 12Y WIFI built in ass’y

WIFI Built in ass’y feature(LGIT)

Pin map

Pinout details for the WiFi module's USB interface.

Block diagram

Block diagram of the WiFi built-in assembly.

WIFI Built in Block-diagram(Arcadyan)

WIFI Built in ass’y Specification

12Y Widevine & HDCP 2.0 & NETFLX

1. Widevine?

Explains Widevine as a solution for adaptive streaming and DRM.

2. HDCP 2.0 & NETFLX?

Discusses HDCP 2.0 and its role in Netflix services.

3. DTCP?

Defines DTCP as a cryptographic protocol for content protection.

4. Changed BOM

Appendix : Exchange T-Con Board (1)

Un-repairable Cases

Visual examples of T-Con board defects and their causes.

Appendix : Exchange T-Con Board (2)

Un-repairable Cases

Visual examples of T-Con board defects, including abnormal power and display issues.

Appendix : Exchange PSU(LED driver)

Appendix : Exchange the Module (1)

Un-repairable Cases

Identifies cases where the panel module cannot be repaired and needs replacement.

Appendix : Exchange the Module (2)

Un-repairable Cases

Identifies cases where the panel module cannot be repaired and needs replacement.

D. VCOM Adjustment

1. Case

Identifies conditions requiring VCOM adjustment (module/T-con change).

2. Equipment

Lists the service remote controller as required equipment.

3. Adjust sequence

Step-by-step procedure for adjusting VCOM value using the remote.

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