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Essential guidelines for safe servicing and component handling.
Procedures for checking AC leakage current to ensure user safety.
Defines the scope of application and testing methodologies.
Details module specifications, operating environment, and input voltage.
Important notes, heat-run mode activation, and channel memory setup.
Procedure for adjusting Va and Vs voltages on the power PCB.
Required equipment and device configuration for EDID download.
Step-by-step process for downloading EDID data to the TV.
Calibration process for Analog-to-Digital Converter signals.
Procedures for auto AV, component, and RGB color balance adjustments.
Necessary conditions and tools for performing white balance adjustments.
Step-by-step guide for manual white balance control and settings.
Default hexadecimal values for auto color balance and write balance.
Instructions for writing EEPROM data, including serial number and model name.
Steps for installing LGIDS-2 and GProbe software for Cortez download.
Procedure for downloading hex files using GProbe and connecting the TV.
Instructions for installing LG Term and performing ST ROM download.
Steps to download biz files using LG Term and the ST interface.
Flowchart for diagnosing power board issues based on voltage output states.
Diagrams and details of the power board's pin connections and specifications.
Describes 'No Power' symptoms and basic checks like power cord and cable connections.
Details 'Protect Mode' symptoms and step-by-step checks for various boards.
Describes 'No Raster' symptoms (no OSD/image) and diagnostic steps.
Troubleshooting for unusual screen behavior in specific input modes like OSD absence.
Troubleshooting for screens not displaying from specific input modes (RF, AV, etc.).
Describes 'No Sound' symptoms and troubleshooting steps for various audio inputs.
Comprehensive lists of capacitors, diodes, ICs, resistors, transistors, etc., for replacement.
Circuit diagram details for the Cortez Plus IC and its decoupling capacitors.
Circuit diagrams for SCART and AV input jacks and switching.
Circuit diagrams for HDMI input and CI options.
Circuit diagrams related to DDR memory, general memory, and LVDS interfaces.
Circuit diagrams for RGB input and RS-232C serial interfaces.
Circuit diagrams for power supply blocks, tuner, and voltage regulators.
Circuit diagrams for various options like CI, fan control, and I2S switching.
Visual representation of the main (top/bottom) and control board component placement.
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