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Ian WestJul 30, 2025
How to fix a weak picture signal on my LG TV?
- DDanielle RomeroJul 31, 2025
If your LG TV has a weak picture signal, check the video connections.
To Next PageTo Next PageHow to fix a weak picture signal on my LG TV?
If your LG TV has a weak picture signal, check the video connections.
How to solve a tuning problem on my LG RT-21FU1RLD-T3 TV?
If you are experiencing TUNING problems with your LG TV, check the TUNER INPUT SECTION.
What to do if the tuner is not working on my LG RT-21FU1RLD-T3?
If the TUNER is not working on your LG TV, check the TUNER INPUT SECTION.
What to do if there is video and sound noise on my LG TV?
If you are experiencing video and sound noise on your LG TV, the first step is to check for any potential interference in the signal.
What to do if my LG RT-21FU1RLD-T3 is buffering video and sound?
If you are experiencing VIDEO/SOUND buffering issues with your LG TV, check the connections in AUDIO/VIDEO.
What to do if my LG RT-21FU1RLD-T3 TV has a TU SEARCH problem?
If you are experiencing TU SEARCH problems with your LG TV, check the TUNER INPUT SECTION.
Key safety characteristics identified by symbols for preventing hazards.
General advice for safe servicing, handling components, and picture tubes.
Warning about X-ray sources and replacement tube specifications.
Procedures for cold and hot AC leakage current checks to ensure safety.
Procedure for adjusting AGC voltage using a multimeter and LG standard signal.
Instructions for static and dynamic purity and convergence adjustments.
Steps for automatic and manual white balance adjustment using meters and remote.
Detailed steps for horizontal, vertical, and size adjustments for different models.
Identifies potential issues and sections for TV functional problems.
Lists potential problems in the SMPS primary section like no power or fuse issues.
Describes the vertical IC, its input/output, and related problems.
Covers horizontal drive section, compensation, and FBT related components.
Visual representation of the TV's main functional blocks and their interconnections.
Detailed electronic schematic of the CW-81A chassis.
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