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General| Display diagonal | 39 \ |
|---|---|
| Native aspect ratio | 16:9 |
| Native refresh rate | 60 Hz |
| LED backlighting type | Edge-Lit LED |
| Supported video modes | 1080p |
| Contrast ratio (dynamic) | 5000000:1 |
| Viewing angle, horizontal | 88 ° |
| 3D | No |
| Analog signal format system | NTSC |
| Digital signal format system | ATSC |
| RMS rated power | 20 W |
| Number of speakers | 2 |
| DVI port | - |
| HDMI ports quantity | 3 |
| USB 2.0 ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 0 |
| Product color | Black |
| AC input voltage | 120 V |
| Power consumption (standby) | 1 W |
Weight and Dimensions| Depth (with stand) | 229.9 mm |
|---|---|
| Height (with stand) | 611.6 mm |
| Weight (with stand) | 18510 g |
| Depth (without stand) | 44.96 mm |
| Width (without stand) | 916.4 mm |
| Height (without stand) | 577.8 mm |
| Weight (without stand) | 16010 g |
Essential safety checks and servicing guidelines for qualified technicians.
Guidance on using lead-free wire solder and compatible soldering bits.
Detailed technical specifications for the LED color television models.
Physical dimensions and VESA mounting information for the TV models.
Step-by-step guide for removing the TV's assembly and panel.
Detailed steps for removing internal components like main board, power board, etc.
Procedures for adjusting picture and audio settings via the main menu.
Instructions for adjusting display parameters using a color analyzer.
How to enter and navigate the service (factory) mode menu.
Step-by-step guide for upgrading the TV's firmware via USB.
A table to diagnose and resolve common issues, starting with no sound.
Information on the main integrated circuits used in the TV.
Detailed description of the MediaTek MT5389FUNU DTV front-end demodulator.
Technical details of the 1Gb DDR3/L DRAM memory chip.
Features and specifications of the Yamaha YDA175 audio amplifier IC.
System block diagram showing major functional units and connections.
Block diagram illustrating the power supply circuits and their outputs.
Visual representation of internal wiring connections within the TV.
Top layer layout of the main unit's printed wiring board.
Schematic diagrams of the power board, including top and bottom layers.
Printed wiring board layouts for the key input and IR receiver units.
Overall schematic diagrams for system power and major IC interfaces.
Schematic diagrams for power supply circuits, including AC input.
Schematic diagrams for key input and IR receiver interfaces.
List of recommended spare parts for the LC-39LE440U model.
List of recommended spare parts for the LC-50LE440U model.
Exploded view and list of cabinet components for LC-39LE440U.
Diagram showing the breakdown of cabinet parts for the LC-50LE440U.
List of accessories supplied with the LC-39LE440U model.
List of accessories supplied with the LC-50LE440U model.
Details of packing materials and methods for LC-39LE440U.
Details of packing materials and methods for LC-50LE440U.
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