To Next PageTo Next Page
Need help?Do you have a question about the LG 42LS575S-ZD and is the answer not in the manual?
Covers general safety, isolation transformer use, and AC leakage current testing procedures.
Details precautions for servicing, handling sensitive components, and soldering techniques.
Outlines application range, test requirements, methods, and general model specifications.
Lists supported broadcast systems (PAL, SECAM, DVB) and input/output interface details.
Details procedures for automatic (ADC) and manual adjustments, including protocols and conditions.
Covers MAC/CI/Widevine/ESN download, LAN tests, WIFI checks, and EDID/DDC download.
Explains white balance adjustment, local dimming check, and magic motion remote control testing.
Covers GND/Pressure checks, audio specs, USB download, and model/key verification procedures.
Provides screw specifications and warnings for assembly to prevent module damage.
Shows the overall system architecture, including major components and interfaces.
Displays an exploded view of the TV's components for identification and assembly reference.
Presents circuit diagrams for SoC, memory, EMMC, and communication interfaces like HDMI, USB.
Details schematics for power circuits, audio amplifiers, tuners, and related signal paths.
Illustrates circuit diagrams for micom, IR, touch sensors, and display control signals.
Covers circuit diagrams for LVDS display interfaces, EPI, and local dimming control.
Lists common LCD TV error symptoms and corresponding repair process pages.
Provides flowcharts for diagnosing and resolving video-related issues like no video or color problems.
Details procedures for troubleshooting power errors, checking LED status, and voltage measurements.
Outlines steps for diagnosing audio issues, checking speaker connections, and voltage verification.
Covers troubleshooting for remote control, external device recognition, and noise issues.
Guides on identifying and addressing exterior defects and when to exchange modules.
General
