V7 0 Smart Oled Led Lcd Tv Repair Tips Pdf Free Upd 2021 【Top 10 Trusted】
: Wear an anti-static wrist strap to protect sensitive digital mainboards from electrostatic discharge (ESD).
The main processor chip on the V7.0 board is a BGA (Ball Grid Array) chip. Over time, thermal cycling can cause the solder joints beneath the chip to crack.
Always work in a dry, static-free area and unplug the TV before opening the chassis. High-voltage components can be lethal. v7 0 smart oled led lcd tv repair tips pdf free 2021
If you are troubleshooting a TV with a V7.0 board, follow these steps before you consider replacing the board.
Troubleshooting and Repairing Modern Smart OLED, LED, and LCD TVs: The Ultimate v7.0 Guide : Wear an anti-static wrist strap to protect
Boosts voltage to power the LED strips behind or along the edges of the screen. In many modern slim TVs, this circuit is integrated directly into the main Power Supply Board. 3. LED vs. LCD vs. OLED Diagnostic Differences
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| Regulator | Input | Output | Common fault | |------------|-------|--------|----------------| | 1117-3.3 | 5V | 3.3V | Open or short | | 1117-1.8 | 3.3V | 1.8V | Low output = dead SoC | | MP1584 | 12V | 5V/3.3V | Missing enable signal |
┌────────────────────────┐ │ Power Supply Board │ │ (Converts AC to DC) │ └───────────┬────────────┘ │ ▼ ┌────────────────────────┐ │ Main Board │ │ (Inputs, Smart Apps, CPU)│ └───────────┬────────────┘ │ ▼ ┌────────────────────────┐ │ T-Con Board │ │ (Timing Control / Logic)│ └───────────┬────────────┘ │ ▼ ┌────────────────────────┐ │ Source / Gate PCBs │ │ (Bonded directly to panel)│ └────────────────────────┘ 1. Power Supply Unit (PSU) Always work in a dry, static-free area and