OLED panels are beautiful but fragile. The V7 0 chipset has a hidden compensation cycle.
The official source for the full V7.0 Smart TV Repair Tips ebook. It offers the complete version with email support and bonus technical documents for purchase and immediate download .
Before you download any PDF or open your TV, understand this: The power supply unit (PSU) can hold a charge of 400+ volts for days or even weeks after unplugging.
You can download the PDF guide from the following link: [insert link]
Lines usually mean a panel or tab bond failure, not a total loss.
Methods to test PSU boards with or without 3.5V output pins to determine if the fault lies in the power board or the mainboard.
Repair Tip #1 (from every safety PDF): Use a discharge tool or wait 72 hours after unplugging before touching the main power board.
: Unplug the TV for at least 30 seconds to drain remaining power, then plug it back in; this often clears software glitches. Voltage Testing