What to do if Samsung UN HU7250F UHD TV has a distorted picture in HDMI mode?
If your Samsung UHD TV displays a distorted picture specifically in HDMI mode, the issue might stem from the HDMI IC. Try checking the HDMI source or the HDMI jack. Alternatively, examine the X12+ pattern, LVDS cable, or T-CON.
Why is the picture distorted on my Samsung UHD TV?
A distorted picture on your Samsung UHD TV can be due to several factors related to the Main Board, Signal Source, LVDS cable, T-CON, or Panel. To resolve this, check the inner patterns of these components.
General| Series | HU7250F |
|---|---|
| Resolution | 3840 x 2160 |
| Display Type | LED |
| Smart TV | Yes |
| Operating System | Tizen |
| Refresh Rate | 120Hz |
| HDMI Ports | 4 |
| USB Ports | 3 |
| Audio Output | 20W |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Curved | No |
| Dimensions (Without Stand) | Varies by screen size |
| Weight (Without Stand) | Varies by screen size |
| Screen Size | 55", 65" |
| Backlight Type | LED |
Step-by-step guide for disassembling the TV unit.
Detailed instructions for the initial stage of set disassembly.
Essential safety, servicing, and ESD precautions for user protection.
Guidelines and warnings for technicians performing service on the unit.
Methods to prevent damage from static discharge to sensitive components.
Safety advice for installing the TV in its operating environment.
Overview of the TV model, dimensions, weight, and key features.
Comprehensive technical specifications for display, audio, video, and smart features.
Listing of included accessories and their respective part codes.
Explanation of how to use various TV functions and features.
Basic checks, previous steps, and malfunction diagnosis flowcharts.
Troubleshooting for common issues like no power, no video, and no sound.
Procedures for factory mode, white balance, and calibration.
Managing TV control via RS-232C, AV commands, and software updates.
Visual representation of internal board connections and signal paths.
Detailed pin configurations for various connectors on the main board.
Explains the purpose and signal flow of specific connectors.
Lists relevant cables and modules with their part numbers and usage.
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