T.R85.031 Universal Board Software free download

**T.R85.031 Universal Motherboard **  

The **T.R85.031** is a universal LCD/LED TV control board designed for repairing or upgrading TVs. Below is a comprehensive breakdown of its specifications, features, and functionalities:

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1. Basic Specifications** 

 

- **Model**: T.R85.031 (also listed as T.R85.031 V.09 in updated versions) . 

 

- **Main Chipset**: RDA 8501C or RDA 8501 (depending on firmware version) . 

 

- **Supported Resolutions**: Up to 1920×1200, covering common resolutions like 1366×768, 1280×800, 1600×900, 1920×1080, and more .  

- **Aspect Ratios**: 4:3, 16:9, and 16:10 .  

- **Board Dimensions**: 168.0 mm × 42.0 mm .  

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2. Key Features** 

 

- **Input/Output Ports**:  

  - HDMI, VGA, AV, USB, RF TV interface, Earphone Out, and PC Audio .

  

- **Panel Voltage**: Configurable via jumper settings (+3.3V, +5V, +12V DC) .

  

- **Audio Output**: 2 × 3W (8 ohm) speakers . 

 

- **USB Functionality**:

  

  - Firmware upgrades and multimedia playback (supports MP3, AVI, MP4, JPG, etc.) . 

 

  - FAT32-formatted USB required for firmware updates . 

 

- **Remote Control Compatibility**: Includes factory and Samsung remotes (for specific resolutions) .  

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3. Firmware and Service Mode**

 

- **Firmware Upgrade Process**:  

  1. Copy firmware to a FAT32 USB drive. 

  2. Insert into the board’s USB port.

  

  3. Power on the TV; wait until the IR LED stops flashing (~1 minute) . 

 

- **Service Code**: Enter **Menu + 1147** to access factory settings for adjusting parameters like resolution, brightness, and panel voltage .

  

- **Downloadable Firmware**: Available for resolutions such as 1366×768, 1920×1080, 1280×1024, and others 

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4. Electrical and Power Specifications**  

- **Input Voltage**: DC +12V . 

 

- **Current Draw**

:  

  - Maximum 2A (without panel load) .

  

  - Standby power consumption: <0.2W . 

 

- **USB Port Current**: 500mA maximum .  

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5. Compatibility and Limitations** 

 

- **Panel Support**: Works with 17" to 42" LCD/LED panels .

  

- **4K Support**: No .  

- **WiFi/Android**: Not supported .  

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6. Package and Availability**

  

- Includes the control board only (out of stock in some regions) .

  

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**Note**: Always verify firmware compatibility with your panel’s resolution before upgrading. Incorrect firmware may damage the board . For detailed firmware installation guides,