This identifies the remote control protocol baked into the firmware. "SiR620D" likely refers to a specific Chinese OEM remote profile; if this doesn't match your physical remote, the TV will power on, but you won't be able to use the remote. Application & Troubleshooting
Are you attempting to fix a or a distorted image on this specific board? Download VST59S P89 Panel 1280x768 Normal SiR620D rar
Copy the file to the root of the USB, plug it into the TV, and power it on. The standby light usually blinks rapidly during the update. Do not power off until the blinking stops, or you may "brick" the board. This identifies the remote control protocol baked into