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General| Screen Size | 42 inches |
|---|---|
| Display Type | LED |
| HDMI Ports | 2 |
| USB Ports | 1 |
| Contrast Ratio | 5000:1 |
| Refresh Rate | 60 Hz |
| Aspect Ratio | 16:9 |
| Built-in Speakers | Yes |
| Resolution | 1920 x 1080 |
Covers professional operation, workspace, tool grounding, and static protection.
Ensures correct component verification, installation, and compatibility.
Details product setup adherence and restoration of components and settings.
Describes tele-service hotlines and the CRM system for service management.
Covers feedback channels, data support, and technical consulting hotlines.
Details the process for obtaining and applying for maintenance accessories.
Procedure for applying for free maintenance accessories under warranty.
Procedure for obtaining parts for products outside the warranty period.
Special process for urgent accessory requests.
Troubleshooting procedures for no power and embedded power supply issues.
Troubleshooting steps for no light, white panel, and image disappearance.
Resolving problems with channels, color, sound, and input signals.
Descriptions and troubleshooting for various LCD screen malfunctions.
Addresses snow, noise, lines, and no color in video/audio.
Troubleshoots no display, double images, and computer input problems.
Resolves no sound issues and computer no-display prompts.
Covers Analog-to-Digital Conversion and picture settings adjustments.
Procedures for White Balance and Spread Spectrum Clock adjustments.
Includes special settings, user defaults, and software information.
Settings for debugging and nonlinear signal processing adjustments.
Lists necessary tools and preparatory steps for software upgrades.
Details alternative upgrade methods and important notices.
Step-by-step guide for In-System Programming upgrades.
Procedures for calibration and factory reset after upgrades.
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