To Next PageTo Next Page
Need help?Do you have a question about the LG 47LM640S-ZA and is the answer not in the manual?
General| Screen Size | 47 inches |
|---|---|
| Display Type | LCD |
| Resolution | 1920 x 1080 |
| Backlight Type | LED |
| Smart TV | Yes |
| HDMI Ports | 4 |
| USB Ports | 3 |
| 3D | Yes |
| Ethernet Port | Yes |
| Wi-Fi | Yes |
| Energy Rating | A |
| Audio Output | 10W x 2 |
Provides basic safety instructions for servicing.
Details procedures for checking AC leakage current before returning the unit.
General guidelines for safe and proper servicing procedures.
Steps to prevent damage to sensitive electronic components from static electricity.
Best practices for soldering components to circuit boards safely.
Procedures for replacing integrated circuits and transistors.
Steps for replacing diodes and resistors.
Techniques for repairing damaged copper traces on circuit boards.
Defines the scope of the specifications for the LD22E chassis.
Outlines the conditions and parameters for product testing.
Details the testing methodologies and standards applied.
Lists general specifications by model and market.
Details broadcasting standards and receiving system specifications.
Specifications for Scart, RCA, HDMI, USB, Ethernet, and audio interfaces.
Lists resolutions and frequencies for component video input.
Details resolutions and frequencies for PC RGB input.
Lists resolutions and frequencies for HDMI input in DTV and PC modes.
Outlines the scope and general conditions for adjustments.
Details the automatic adjustment process for ADC.
Procedures for downloading MAC, CI+, Widevine, and ESN keys.
Steps for inspecting LAN connectivity and Wi-Fi functionality.
Method for testing LAN port connectivity using a ping test.
Procedures for downloading model and serial number information.
Methods to check the status of CI+ key download.
Procedure to verify the Wi-Fi MAC address.
Process for downloading Extended Display Identification Data.
Provides specific EDID data formats for different configurations.
Explains the objective, method, and required equipment for WB adjustment.
Details the commands and procedures for auto and manual WB adjustment.
Provides color coordinate and temperature reference for WB adjustment.
Covers checks for EYE-Q, Local Dimming, and Magic Motion remote control.
Procedures for testing 3D functionality and Wi-Fi connectivity.
Checks LNB voltage and country-specific option selections.
Covers tool option selection and final ship-out mode check.
Details methods for checking grounding and internal pressure.
Lists audio output and speaker impedance specifications.
Details screw types and their usage in assembly.
Shows the MICOM block and its configurable options.
Details the configuration options for the eye sensor.
Diagrams for RGB, PC Audio, and SPDIF output connectors.
Schematics for RS232C, CVBS, and Component audio jacks.
Diagrams for IR, Key, and RGB sensor components.
Information on ESD protection for MTK and LG1152 components.
Details the USB interfaces (USB1, USB2, USB3, USB_WIFI).
Provides the pinout and diagram for a full Scart connector.
Block diagram for the ZigBee RF remote control option.
Schematic of the Renesas MICOM microcontroller.
Details MICOM model options and I2C interface connections.
Schematic for the SCART audio amplifier and mute circuit.
Details CI power control and options for MTK and LG1152.
Block diagrams for various tuner types (T/C, S2, H/NIM, T2/C).
Schematic showing the DVB-S2 LNB circuitry and power.
Schematics for commercial 12V output via RS-232 and audio output jack.
Details the 51-pin and 41-pin LVDS connectors and associated signals.
Schematic illustrating the power supply blocks.
Schematic showing the level shifter circuitry.
Details the features and advantages of the EPI interface.
Compares HF mini-LVDS and EPI interfaces based on features and signals.
Illustrates the change from mini-LVDS to EPI for LCM connection.
Detailed comparison of EPI and mini-LVDS across topology, protocol, features, merits, and demerits.
Identifies key components and connectors on the main PCB.
Diagrams for Scart, Component, and CVBS audio/video jacks.
Diagram showing LVDS transmitter block and its outputs.
Illustrates the physical interconnection of PCBs and cables within the TV.
Shows the circuit block diagram and pin configuration for the IR/Soft touch PCB.
Outlines the behavior of the power LED under different conditions.
Explains how to check touch key thresholds and manual sensitivity.
Procedure for modifying touch sensor EEPROM registers using a USB port.
Details the system for pairing and transmitting data from the remote.
Describes the transmission of motion and voice data from the remote.
Lists the functions and codes for buttons on M3 and M4 remotes.
Lists the functions of various components within the remote control.
Explains the methods for pairing and unpairing the remote control.
Provides pin configuration and block diagram for the WIFI module.
Introduces Widevine, HDCP 2.0, Netflix, and DTCP for content protection.
Explains Widevine as a solution for adaptive streaming and DRM.
Details HDCP for content protection and advantages of HDCP 2.0.
Explains DTCP, its protocol, and cryptographic keys.
Compares BOM configurations and lists added items.
Flowchart for diagnosing and resolving no video or normal audio issues.
Flowchart for diagnosing and resolving no video or no audio problems.
Troubleshooting steps for RF signal and picture problems like freezing.
Troubleshooting for tuning failures and picture problems in DVB-S/S2.
Flowchart for diagnosing and resolving color-related video errors.
Troubleshooting for vertical/horizontal bars and external device screen errors.
Flowchart for diagnosing and resolving "No Power" issues.
Procedures for checking power off modes and voltages.
Flowchart for diagnosing and resolving no audio or normal video issues.
Flowchart for diagnosing abnormal audio, discontinuation, or noise.
Troubleshooting steps for remote control operation errors.
Troubleshooting for errors related to external device recognition.
Steps to diagnose and resolve circuit or mechanical noise problems.
Guide for addressing issues related to external damage or defects.
Detailed steps for adjusting white balance via the EZ ADJUST menu.
Guide for measuring voltages on the power board for troubleshooting.
Procedure for checking tuner input signal strength using OSD diagnostics.
Steps for checking LCD-TV version using the remote control.
Illustrates the connection of external inputs to the TV screen.
Details the procedure for checking the tuner and its connections.
Guide on using the ADJ key to display various test patterns for diagnostics.
Visual examples of T-Con board defects like solder issues and power section problems.
More visual examples of T-Con board defects including gradations and abnormal displays.
Visual examples of PSU and LED driver issues like no light or dim light.
Visual examples of panel defects like Mura, light leakage, press damage, and crosstalk.
More visual examples of panel defects like block/line issues and unrepairable cases.
Guide for checking the front display LED status and its control.
Procedure for checking power input voltages and ST-BY 5V.
Method to check if the "power on" pin is high when the power is on.
Steps to check the power off modes using the IN-START menu.
Procedure to check audio settings in the menu when there is no sound.
Steps to check audio voltages and speaker connectivity for no audio issues.
Procedure for checking remote control functionality and IR signal.
Steps for adjusting VCOM values to minimize screen flicker.
