You can get the firmware from https://jyetech.com/firmware-dso-138/
As to actually naprogramovat it into the device: https://jyetech.com/wp-content/uploads/ ... pgrade.pdf
Search found 2 matches
- Sat May 18, 2019 9:47 pm
- Forum: DSO138
- Topic: vyměna MCU u dso138
- Replies: 4
- Views: 13366
- Sat May 18, 2019 4:16 pm
- Forum: DSO138
- Topic: DSO138 troubleshooting - No AV- (no trace)
- Replies: 97
- Views: 282226
Re: DSO138 troubleshooting - No AV- (no trace)
Hi! Can you please give me some more advice with the AV- failure? The step 4 from the original post (voltage at D1) is failing. The negative side of D1 is 0.36 V (fine) and the positive is -4.79 V. I've checked Q1, L2, D1 and C24 insofar as they react to the multimeter the way I'd expect them to. Fo...