| 摘要 |
A test system includes a front bezel of an electronic device and a test device. The front bezel includes a plurality of positions defined in the front bezel, a plurality of light emitting diodes (LEDs) located in the plurality of positions, and a female LED connector connected to the plurality of LEDs. The test device includes a male LED connector electrically connected to the female LED connector, and a programmable logic device (PLD) electrically connected to the male LED connector, and configured to control the LEDs to emit light in a sequence to determine if the plurality of LEDs are correctly located in the correct plurality of positions.
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