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General safety practices for servicing, including using isolation transformers.
Procedures for performing cold and hot checks of AC leakage current.
Guidelines for safely servicing the TV, including component handling.
Precautions and techniques for handling electrostatic sensitive devices.
Best practices for soldering, including temperature and tip maintenance.
Step-by-step guides for replacing ICs, transistors, diodes, fuses, and resistors.
Methods for repairing damaged circuit board traces using jumper wires.
Defines the scope of the specification sheet for the LD51A chassis TV.
Lists operational conditions like temperature, humidity, and voltage.
Outlines the standard methods used for testing TV performance.
Details electrical properties and model configurations.
Details country support and broadcast standards for different models.
Lists supported signal formats for HDMI, PC, DTV, and Component inputs.
Defines the scope of the adjustment instructions.
Lists prerequisites and equipment for adjustment procedures.
Procedures for checking and updating the main PCB firmware.
Details the EDID download and check procedures via service controller.
Steps to verify display and sound functionality using the service controller.
Procedure for writing CI+ keys using a PC and serial adapter.
Overview of total assembly line processes and checks.
Verifies tool options and Analog-to-Digital Converter (ADC) status.
Steps for adjusting white balance using a color analyzer and PC.
Verifies the Dynamic Power Management (DPM) operation.
Verifies the model name, software version, and adjustment settings.
Diagnostic steps to resolve no power problems.
Troubleshooting steps for a blank screen in HD mode.
Troubleshooting steps for a blank screen in FHD mode.
Diagnostic steps for no video signal in Digital TV mode.
Troubleshooting steps for no video signal via HDMI connection.
Diagnostic steps to resolve problems with no audio output.
General
