Lg Lj7 Chassis Service Manual !!top!! ✓

The integrated circuits (ICs) on the LJ7 mainboard are highly sensitive to static electricity. Always wear a grounded ESD wrist strap. Work on a dissipative static mat. Avoid touching IC pins directly with bare fingers. 3. Block Diagram and Signal Flow

AC mains passes through an EMI filter and a bridge rectifier to produce approximately 300V DC across the main filter capacitor. lg lj7 chassis service manual