I would suggest strongly to install Free Serial Port Monitor and try the test again, also go into the Samsung TV service menu and check your adjustments.)ġ. (If this works you have full connectivity with your Samsung TV, if not, you have some problem solving to do. Run the SammyHDMIBat.bat as a test, your TV should either swap to the HDMI1/DVI interface, or show the switch on screen. bat files and add the correct com port number.ģ. Download the attached SamsungHexFiles.rar file and extract.Ģ. TV should now be ready for for communication with your PC.ġ. Use the Power button the turn the TV off and on again. Enabled the Hotel Option, and Set the RS-232 interface to UART.ģ. Put the TV into Standby Mode, press then then and then when the TV turns on is shows a new Service Menu.Ģ. Samsung TV (Using your TV remote you now need to enter the Service Menu and Change some settings.)ġ. Connect the 2 DB9 ends of the Serial to USB and Ex-link cables, plug the 3.5mm jack into the Samsung TV service port.

Connect the DB9 (RS-232) to USB to your PC (USB end) and install the driver. HTPC, with MP installed, and the IRSS plugin installed.ġ. 1 x DB9 (RS-232) to USB cable, I've found these can be easily purchased from most PC Stores.ĭ. (Samsung TV's use a different serial connection cable, referred to as a ex-link cable, is you want to attempt to make your own ex-link cable here is a good place to start.)ī. I have this fully working on my Samsung LED 55 inch (UA55B6000VM).

This guide is developed from the below threads that work through the issues and sparse information across the web on connecting a PC with the Samsung RS-232 port.

Samsung TV - RS-232 - Connection to PC using IRSS Guide

Samsung digital signage rs232 commands