You can find the specific firmware files and board schematics on several technician-focused platforms:
: Because this is a "dump" file (often from the SPI Flash memory), you typically cannot install it via USB. You will likely need a hardware programmer like the Go to product viewer dialog for this item. or CH341A . Verify Panel Match : Ensure the dump matches your panel ( V390HJ1 P02 Download SIS 231 P83 Panel V390HJ1 P02 Backup Dump rar
Are you experiencing a specific with your TV, such as it being stuck on the standby light or the logo? V390HJ1-P02 Overview - Panelook.com You can find the specific firmware files and