Welcome to teckwiki.com! This post is all about the T.RD8503.A8 universal TV motherboard. If you need firmware files or want to learn more about this board, you’re in the right place. We’re sharing free firmware downloads for different resolutions and a full guide to help you use it. Let’s jump in!
What Is the T.RD8503.A8 Universal TV Motherboard?
The T.RD8503.A8 is an analog control board for LCD and LED TVs. It’s widely used in the Asia Pacific and Middle East markets. This board supports screen sizes from 8.9 to 42 inches and resolutions up to 1920×1080 (Full HD). It’s a great choice for TV repairs or custom projects because of its compatibility and features.
Main Features of T.RD8503.A8
Here’s what makes the T.RD8503.A8 stand out:
- Screen Size Support: Works with 10 to 32-inch screens, and up to 42 inches with LVDS.
- Resolution: Handles up to 1920×1080 for sharp visuals.
- USB Functions: Plays multimedia files (videos, music, photos) and supports firmware updates.
- HDMI Support: Uses HDMI 1.4 with HDCP 1.1 for quality video.
- Languages: Offers options like Russian, English, Hindi, Chinese, and more.
- Dual AV: Includes two AV inputs for extra connections.
Technical Specifications
Let’s look at the details to see if this board fits your TV.
General Specifications
- Model: T.RD8503.A8
- Chipset: RDA8503
- TV System: PAL, SECAM, NTSC
- Panel Interface: Single or dual channel LVDS
- Buttons: Channel +/-, Menu, Volume +/-, Source, Power
- Languages: Russian, English, Hindi, Simplified Chinese, Khmer, Vietnamese, Myanmar, Italian, Spanish
- Ports: HDMI, VGA, AV, USB, RF TV, Earphone Out
- Audio Power: 2 x 3 Watt (8 ohms)
- Screen Voltage: 3.3V, 5V, or 12V
- USB: For firmware updates and media playback
Electrical Parameters
- Input Voltage: 12V DC, 3.5 Amp
- Max Current: 2000mA (without panel)
- Standby Power: Less than 0.2W
- USB Current: 500mA max
Free Firmware Downloads for T.RD8503.A8
We’re providing firmware files for different resolutions. These work with 4MB flash memory and the M90 remote control. Pick the one that matches your TV’s screen resolution.
Available Firmware Files
| Filename | Download |
|---|---|
| T.RD8503.A8-General-1024×768 | Download |
| T.RD8503.A8-General-1280×1024 | Download |
| T.RD8503.A8-General-1366×768 | Download |
| T.RD8503.A8-General-1440×900 | Download |
| T.RD8503.A8-General-1680×1050 | Download |
| T.RD8503.A8-General-1920×1080 | Download |
After downloading, open the RAR file to find details and choose the right file for your TV.
How to Update Firmware on T.RD8503.A8
Updating the firmware is easy. Follow these steps:
- Get a USB Drive: Format it to FAT32 and copy the .bin firmware file onto it.
- Plug It In: Insert the USB into the board’s USB port. Connect the keypad and IR too.
- Turn On the TV: Power it up and wait for the IR light to flash (it keeps flashing during the update).
- Wait a Minute: After about 60 seconds, turn off the power.
- Finish Up: Remove the USB, then turn the TV back on.
Your firmware should be updated now. If it doesn’t work, check the file and try again.
Which TVs Work with T.RD8503.A8?
This board supports LVDS screens from 8.9 to 42 inches. It handles single or dual channel LVDS and resolutions up to 1920×1080. Check your TV’s panel size and resolution to see if it’s a match.
Common Questions Answered
Here are answers to questions people often ask:
What does the T.RD8503.A8 do?
It’s a control board for LCD and LED TVs, managing the display and inputs.
Where can I get T.RD8503.A8 firmware?
Download them free from the links above.
How do I update the firmware?
Use the steps in the “How to Update Firmware” section.
What screens does it support?
It works with 10 to 32-inch screens (up to 42 inches with LVDS) and resolutions up to 1920×1080.
How do I enter factory service mode?
Press Menu+1147 on your remote.
Can it play videos or music?
Yes, through the USB port with supported files.
Final Thoughts
The T.RD8503.A8 is a solid universal TV motherboard with great features like high-resolution support, USB playback, and easy updates. Whether you’re fixing a TV or setting up a new one, this board can handle it. Download the firmware that fits your screen and follow our guide to get started.
Download Link:
- T.RD8503.03 Firmware Download Free [Latest 2025]
- T.RD8503.A8 Firmware Download (All Resolutions)
- ITV.V59.031 Software Free Download
