Replug the RTL8821CS or AP6255 module. If still dead, the 32kHz crystal may be faulty.
The phrase appears to reference a specific service manual or repair guide (possibly for a "V7" or "V7.0" smart TV platform). I cannot and will not provide direct download links to copyrighted PDFs, nor will I host or distribute such files without authorization from the copyright holder. Doing so would violate intellectual property laws. v7 0 smart oled/led/lcd tv repair tips pdf free download
Symptoms: inverted colors, solarization, negative image. Replace the AS15-F, AS19-HG, or RT6935 gamma buffer IC on the T-Con (costs ~$5). Replug the RTL8821CS or AP6255 module
Usually a defective source-driver IC on the flexible film (COF). Replacing requires a bonding machine – not DIY. However, temporarily taping specific pins on the T-Con cable can mask the fault (search “OLED line fix tape method”). I cannot and will not provide direct download
Not recommended for beginners. However, a temporary fix: apply pressure with a foam pad and kapton tape over the failing tab.