Do you have a question about the LG CF-20F60K and is the answer not in the manual?
Many electrical and mechanical parts have safety-related characteristics.
Use isolation transformer, protect technician and receiver, handle picture tube with care.
Source of X-RAY RADIATION is High Voltage Section & Picture Tube.
Measures AC voltage across a resistor using AC voltmeter for safety.
Unplug receiver, use HV meter, discharge picture tube, avoid chemicals, clean contacts.
Techniques to prevent damage to ES devices during servicing.
Use grounded-tip iron, appropriate solder, keep tip clean, clean surfaces.
Procedures for removing and replacing ICs and transistors.
Methods for servicing diodes, fuses, and resistors.
Guidelines for repairing damaged copper patterns on circuit boards.
Lists video input systems and intermediate frequencies.
Details tuning ranges, system, and program memory.
Lists sound output, external connections, and product features.
Explains the functions of various buttons on the remote control.
Describes individual buttons like POWER, MENU, VOLUME, Q.VIEW.
Controls for muting, switching input modes, and sound settings.
Controls for programme list, sleep timer, and sound status memory.
Instructions for installing batteries in the remote control handset.
Describes MAIN POWER, indicator, and sensor.
Explains buttons, AV/Headphone sockets.
Explains TURBO and EYE function buttons.
Requirement for an isolating transformer for primary side service.
Procedures for removing the chassis and back cabinet.
Steps for CPT removal and critical handling warnings.
Safety measures and required tools for adjustments.
Procedure to adjust CDL data using SVC-0 mode.
Procedure to adjust OPTION-1 and OPTION-2 data settings.
Lists available language options for OSD and Teletext.
Procedures for focus, screen voltage, and AGC adjustments.
Procedure for adjusting white balance.
Steps to prepare for deflection adjustment and initial setup data.
Procedures for VL, VA, and SC adjustments.
Procedures for VS and HS adjustments.
Warning against tampering and purity adjustment procedure.
Critical warning on safe handling of the picture tube.
Detailed steps for color convergence adjustment.
Important reminder to set focus before convergence.
Lists of key electronic component replacement parts.
Further listing and details for capacitor replacement parts.
Lists of fuse, coil, and transformer replacement parts.
Lists of connector and resistor replacement parts.
Further listing and details for resistor replacement parts.
Lists of resistor, switch, filter, and crystal parts.
Lists of accessory and miscellaneous components.
Steps to diagnose and fix issues with no TV raster.
Steps to diagnose and fix issues with no picture or sound.
Steps to diagnose and fix issues with sound problems.
Troubleshooting for RF and AV stereo signal issues.
Troubleshooting for mono sound signal issues.