I had the same problem with the 'OK' button.
Problem is due to very bad soldering by the manufacturer.
I have resoldered the resistor R10-R13 and R26-R28. Only heating, no solderwire.
The schematic http://www.jyetech.com/Products/LcdScop ... 50main.pdf is not correct. SW4 = 'OK ' button.
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- Tue Oct 10, 2017 2:39 pm
- Forum: DSO Shell
- Topic: Missing button response
- Replies: 8
- Views: 9296