The specific file you are looking for () is part of a split archive. You must download all parts (Part 1, Part 2, and Part 3) and place them in the same folder before extracting Part 1 to reconstruct the full firmware. Download Sources & Resources
Detailed technical diagrams and service manuals can be found on Scribd and Elektrotanya . Installation Instructions
Sites like Kazmi Elecom frequently host these specific split RAR files for free download.
Hold the on the TV panel (not the remote) and plug the TV into the power outlet.