Lj7 Chassis Service Manual | Lg

Check Speaker connector (P600) and the +24V supply to the Audio Amp IC. 5. Component Locations Main Board:

This chassis contains components sensitive to Electro-Static Discharge (ESD). Use a grounded wrist strap. lg lj7 chassis service manual

. Technicians use the manual to perform a "Leakage Current Cold Check," ensuring that no metallic part of the TV—like the antenna terminal—is accidentally carrying live voltage that could harm a user. Common Chapters in the Manual Check Speaker connector (P600) and the +24V supply

Here are the schematic diagrams for the LJ7 chassis: and internal boards (Main Board

A step-by-step guide to removing the back cover, stand, and internal boards (Main Board, Power Board, and T-CON). Troubleshooting Guide: