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T.RD8503.03 Software Free Download

T.RD8503.03 LED TV Controller Board



Basic Info:

Model No: T.RD8503.03

Main Chipset: RDA8503

Screen Size: Support 15″ to 24″

Display Resolution: Up to 1920×1080

Aspect Ratio: 16:09 (Wide Screen)

Board Size: 188(L) X 37/21.5(W) mm


General Specifications:


Panel Interface: Single channel or Dual channel LVDS

Key Button Functions: CH-/CH+/MENU/VOL-/VOL+Souce/Power

Multi-Language OSD: Yes

Input/Output Ports: HDMI, VGA, AV, USB, RF TV interface and Earphone Out

Audio O/P Power: 2 x 3 Watt (8 ohm)

Panel Voltage: +3.3V/+5V/+12V DC (jumping cap setting)

USB Port: Yes (Firmware Upgrade and Multimedia Playback Support)

USB File Format: Audio (Mp3, wma, m4a/aac), Video (avi, mp4, ts/trp, mkv/mov, mpg, dat, vob, rm/rmvb),                                                 Picture (Jpg, jpeg, bmp, png), Text (text)

IR Control: Yes (Controllable by Remote Control)

Electrical Parameters:

Working Input Voltage: DC +12 Volt

Maximum Current: 4 Aamp

Standby Power: <0.2W (for motherboard only)

Maximum Current for USB: 500mA

How to Upgrade Firmware:

Step 1: Empty the U disk

Step 2: Copy the corresponding resolution program (*. Bin file) with the TXT file to the U disk base on your screen size.

Step 3: Connect the U disk with Mainboard

Step 4: Connect the Keyboard and TV Mainboard

Step 5: Connect the power supply, and check the keyboard light. If there is a flashing light, that is in the written program, waiting for the light to turn to Green, work is done. If there is no flashing light, please cut off the power supply, then connect the USB once again, then connect the power supply again,

(Note: *During Step 5, the power supply can’t be cut off *The same firmware can only be burned once time)

Factory Service Mode:

Note: The following fT.RD8503.03 firmware is a USB boot/backup dump and can be loaded by a programming tool. Kazmi Elecom Team is not responsible for any type of damage/loss as a result of loading/installing the firmware. This firmware is General and suitable for all (Maximum) Panel Screens.

How to Download Firmware files:

Download T.RD8503.03 firmware files and then extract them you will get the folder. Now copy the bin file to USB. for More Detail about the download process watch the video Click Here

T.RD8503.03 Firmware Free Download Here All resolutions :


9T.RD8503.03_Panel_Software MixDownload

For video tutorials, visit “Kazmi Elecom” my youtube channel.


  1. Avatar Of Taqveemulhaque Arain
    Taqveemulhaque Arain

    اسلام علیکم۔آپ کی خدمت کا اجر آپ کو اللہ تعاکی دے گا جس کے بس میں میرا اور آپ کا سانس ہے،گذارش یہ ہے ایک ہی بڑی فائل بھی بنا دیا کریں جس تما فائلز ہوں۔شکریہ

  2. Avatar Of Pedro Vieira

    Goog morning, i have a TRD8503.3 end it dont recognize the pen to install

  3. Avatar Of Marc

    good day,

    my screen is LTN156HT02 and have installed many different firmware and screen always stays black, and does not light up, will the wrong firmware do that? RD8503.3 broken? or I need correct firmware, what firmware I need?

  4. Avatar Of Tokalba

    Can you help us with 1024 x 600 bin file for T.RD8503.03 board

  5. Avatar Of Henry Vela Cuya
    henry vela cuya

    Hi, my screen is LTM200KT01 2 chanel 8 bits, the imagen comes out a bit green and whin distortion, there will be firmware for this model, thanks.

  6. Avatar Of Ahjypik

    Спасибо за информацию!!!!!

  7. Avatar Of Sunny Das

    I burn .Bin program file once , but it was a wrong program. How can I repeat burn my motherboard again? Do i need new motherboard?

  8. Avatar Of Jojo

    do you have for restoration of all resolution fo T.HD8503.03C

  9. Avatar Of Florinel Sergiu Oroviceanu
    Florinel Sergiu Oroviceanu


    i have display JY190-2T-XL, 19″.HOW resolution must to select?

  10. Avatar Of Juniel Cruz

    I’m looking into using this for: M156NWR1 R0 which is 1366×768 1ch 6bit

    But the download link seems to be broken.

  11. Avatar Of Jaedsada

    How to change firmware because i update FW Red Flash not normal until about 5 miniute ,please help me

  12. Avatar Of Franz

    good day i have t.rd8503.03 board can you help me on lvds pinout to match the lg panel 32lk430-ua

    • Avatar Of Kazmielecom

      Dear all universal boards have the same LVDS data connection. you can find panel datasheet from google

      • Avatar Of Franz

        thanks how about the remote and how to program the board cos mine doesnt program upon pluging the 12v power and the remote doesnt respond. thanks kazmie we someone to ask around for our diy repair or re purposed broken tv

  13. Avatar Of Vivek T S

    what are the pinouts on the driver board

    trouble in connecting lvds cable to the board

  14. Avatar Of Roman

    Maybe somebody have firmware for T.RU8503.03?
    p.s. not compatible with T.RD8503.03 firmware.

  15. Avatar Of Muhammad Uzair Siddiqui
    Muhammad Uzair Siddiqui

    Assalamualekum Kazim Bhai. t.rd8503.03 k original remote wale frimware ab kam nai kr rahe pehle kr rahe they ab install b nai ho rahe hain sirf china wale ho rahe hain kia msla hai kindly check and guide me

  16. Avatar Of Giri

    Hi , My screen is LTM200KT01 , i have flashed the 1600*900 firmware but i dont get any display it turns on grey screen and turns off. nothing comes up again. can you please help.

  17. Avatar Of Shah Alam

    Hello sir, i need softwear T.HD8503.03D

  18. Avatar Of Diatonda

    salut j ia carte smart hk.t.rt2841p838 qui s allume afiche logo et s eteint allume afiche logo eteint il ne fait que repeter la meme procedure.vous avez l idee?

    • Avatar Of Kazmielecom

      software issue.

      first, try to hard reset or boot into recovery mode and reset to factory default.

      the final solution is to search matched firmware and load it

  19. Avatar Of Mohamed

    Je suis d’accord pour tout

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