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- Sat Feb 04, 2017 2:20 pm
- Forum: DSO138
- Topic: The problem with DSO138 Kit
- Replies: 0
- Views: 3546
The problem with DSO138 Kit
I bought and soldered DSO138 Kit, but after assembling there is a problem. As described in the instructions to check the voltage 3.3 volt - JP4 jumper is not soldered. The inspection revealed that the transistor Q1 (s8550) is strongly heated up and burned. Why is there this problem? It's a original ...