To Next PageTo Next PageWhat to do if my LG 32LJ600U picture is broken or freezing?
If the picture on your LG LED TV is broken or freezing, check the RF signal level. Go to All Settings, then Programmes, then Programmes Tuning & Settings, and finally Manual Tuning. Check the signal strength (it should be over 50%) and the signal quality (it should also be over 50%).
Critical safety warnings for TV service technicians.
General guidelines for safe servicing procedures and practices.
Best practices for replacing sensitive parts and board repair.
Applicable models, test requirements, and market details.
TV systems, reception standards, and input/output ports.
Supported video resolutions for component and HDMI inputs.
Steps for updating TV software via USB or network.
Overview of the main System-on-Chip architecture and its connections.
Diagram illustrating tuner and Conditional Access Interface connections.
Diagrams detailing physical audio/video input/output jacks.
Information on HDMI ports, CEC, HPD, and HDCP protocols.
Diagrams for USB, Wi-Fi, M-Remote, and UART interfaces.
Mapping of I2C devices connected to the Main SOC.
Exploded view showing part numbers and their physical locations.
Step-by-step instructions for safely removing the back cover.
Specifications for tool tips and back cover hole sizes.
Diagnostic steps for various video playback issues.
Diagnostic steps for power-related malfunctions.
Diagnostic steps for audio playback issues.
Diagnostic steps for operational and connectivity errors.
Diagnostic steps for noise and physical external damage.
General
