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Service information is for experienced technicians only; avoid unqualified repair attempts.
Critical safety parts require manufacturer's specified replacements to prevent shock or fire.
Observe lead dress, install protective devices, and check leakage current post-service.
Procedures for both cold and hot leakage current checks to ensure safety.
Techniques to prevent damage to ES devices from static electricity during handling.
Guidelines for using lead-free solder, including melting point and handling precautions.
Identifies main boards (A, P, K, GK, LD) and their functions for the 43-inch model.
Identifies main boards (A, P, K, GK, LD) and their functions for the 49-inch model.
Details dimensions, mass, power, display, audio, and connectivity features.
Lists all supported TV receiving systems and frequency ranges for analog and digital TV.
Procedure to enter service mode, key commands, and exit instructions.
Contents of adjustment mode, preset values, and cautions before adjusting.
Purpose, access, and configuration options for the Hotel Mode setup menu.
How to access and interpret IIC bus line self-check results.
Interpreting power LED blinking patterns and detecting SOS signals.
Diagnosing picture issues using LCD panel test mode and troubleshooting no power.
Step-by-step guide for disassembling and assembling the key button and LED assembly.
Procedure for removing and installing VESA metal and bottom back cover for the 43-inch model.
Instructions for disassembling and assembling bottom metal and corner covers for the 43-inch model.
Details on screw locations and torque for panel and back cover installation.
Step-by-step guide for disassembling and assembling the key button and LED assembly.
Procedure for removing and installing VESA metal and bottom back cover for the 49-inch model.
Instructions for disassembling and assembling bottom metal and corner covers for the 49-inch model.
Details on screw locations and torque for panel and back cover installation.
Table of voltage measurement points and their specified values for the A-board.
Table of voltage measurement points and their specified values for the P-board.
Schematic showing the functional blocks and interconnections of the main board.
Diagram detailing wire routing and tape placement for the 43-inch model.
Diagram detailing wire routing and tape placement for the 49-inch model.
Visual representation of major parts and their locations on the TV chassis for assembly.
Illustrates carton, cushions, and set cover assembly for packing the TV.
Shows placement of accessories like remote, AC cord, and pedestal in the packing case.
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General