Power Indicator Lights
The power indicator lights on the FLY-D7 mainboard are used to show whether each power rail is supplying power normally. The indicator lights are only for quick observation and cannot replace a complete fault detection.
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| Indicator Light | Meaning | Normal State |
|---|---|---|
3.3V | 3.3V Power | Lights up when the mainboard is powered normally |
5V | 5V Power | Lights up when the mainboard is powered normally |
VCC | Mainboard Input/Main Power Status | Lights up when the mainboard power is connected and supplying power normally |
Safety Notice
- When observing the indicator lights, do not touch the terminals, exposed solder joints, or power areas on the mainboard.
- If an indicator light is not on, first turn off the power and check the power cable, polarity, and power supply conditions; do not plug or unplug wiring harnesses or measure terminals while powered on.
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