If you need help finding a specific voltage diagram or board part number for your V7-0 model, just reply with the exact model number (e.g., V7-0 OLED65), and I can guide you to the right free resource.

: View the specific brands (Samsung, LG, Sony, TCL, etc.) and circuit diagrams covered in the V7.0 Preview PDF User Guides & Manuals : Sites like Manuals.plus

: For a "No Picture/Sound OK" symptom, shine a flashlight close to the screen while the TV is on. If you see faint images, the LED backlight or its driver circuit has failed. Connectivity Check