Do you have a question about the LG 21FG1RG-T3 and is the answer not in the manual?
Critical safety warnings and component identification for preventing hazards.
Procedures for performing cold and hot checks to ensure electrical safety.
Procedure for adjusting Automatic Gain Control voltage for optimal signal reception.
Steps for adjusting color purity and screen convergence using magnets and yoke.
Procedure for manual and automatic white balance correction for accurate colors.
Overview of TV functions and signal flow for troubleshooting.
Diagnosing issues within the tuner and IF sections.
Troubleshooting video processing paths and ICs.
Block diagram of the SMPS primary section, detailing components and voltages.
Block diagram of the SMPS secondary section, showing power distribution.
Diagram illustrating the vertical deflection circuit and its components.
Diagram illustrating the horizontal deflection circuit and its components.
Diagram of the sound processing section, showing signal flow and ICs.
Diagram of the CPT drive section, showing RGB amplifier and protection circuits.
Overall system block diagram showing major components and signal flow.