repairing_adafruit_grand_central
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repairing_adafruit_grand_central [2021/12/01 21:13] sausage [The board arrives] |
repairing_adafruit_grand_central [2021/12/01 22:44] sausage [Fault finding] |
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| ===== Fault finding ===== | ===== Fault finding ===== | ||
| - | My first step was to test if I could read +5V at the micro USB connector. Yep, 5V. So that rules out a damaged connector, or not being connected to the PCB. | + | My first step was to test if I could read +5V at the micro USB connector. Yep, I had 5V there at the pin. So that rules out a damaged connector, or not being connected properly to the PCB. |
| The next was to trace the 5V line. From the USB 5V pin, a trace ran through a small fuse. Testing the fuse with a continuity test, that was fine and I got 5V on either side of the fuse. | The next was to trace the 5V line. From the USB 5V pin, a trace ran through a small fuse. Testing the fuse with a continuity test, that was fine and I got 5V on either side of the fuse. | ||
repairing_adafruit_grand_central.txt ยท Last modified: 2022/01/01 05:28 by sausage
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