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General| Screen Size | 40 inches |
|---|---|
| Display Technology | LCD |
| Backlight Type | LED |
| Refresh Rate | 60 Hz |
| Resolution | 1920 x 1080 pixels |
General safety instructions and warnings before servicing the LCD TV.
Notes on safe handling of LCD panels and components during service.
Description of the TV's front and back cabinet features and ports.
Detailed technical specifications including model, display size, and inputs.
Description of the LCD panel technology and its features.
Table detailing the physical and visual characteristics of the LCD panel.
Identification and part numbers for internal circuit boards.
Overall wiring diagram showing connections between main components.
Procedures to enter the factory OSD menu using remote controls.
Details on White Balance, Factory Options, and Version Info.
Video mode settings including gain and offset for various inputs.
Procedure to exit the TV's aging mode using the remote control.
Steps to install drivers and connect hardware for software upgrading.
Instructions on using MtkTool to flash firmware onto the TV.
Flowchart to diagnose and fix remote control malfunctions.
Flowchart for troubleshooting issues with the TV's physical buttons.
Troubleshooting flowchart for when the TV does not power on.
Steps to diagnose and resolve no-sound issues.
Troubleshooting for no picture on TV, VGA, and HDMI inputs.
Troubleshooting guide for problems with YPbPr video input.
Troubleshooting for no picture on Video and S-Video inputs.
A list of components with part numbers for the 40LE45S model.
Circuit diagrams for power input, backlight control, and power sequencing.
Schematics for digital, analog, and tuner power supply circuits.
Circuit diagrams for the main processor (MT5380) and DDR memory.
Schematics for USB, serial ports, flash memory, and JTAG interfaces.
Circuit diagrams for USB, tuner, and input signal handling.
Schematics for audio output, processing, and amplifier circuits.
Circuit diagrams for LVDS output and related signal processing.
Schematics for RGB, VGA, and HDMI input signal processing.
Circuit diagrams for AV input/output signals and button/LED controls.
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