If flashing firmware does not restore the standby light, the issue may be hardware-based rather than software corruption. Technicians frequently note that a failing 11-18 voltage regulator IC on this specific board can fail to deliver the 1.8V and 3.3V rails required to power the memory chip. If this occurs, the hardware requires component-level repair before any software installation can succeed.
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The Definitive Guide to vs.tp53l72.2 Software: Safe Downloading, Installation, and Troubleshooting
If the TV is stuck on a red standby light, it may require a hardware fix (such as replacing ICs) rather than just a software download. Installation Guide (General)
Do you have the of the LCD panel inside your TV so I can help you find the correct resolution?
