| Date |
User |
Note |
| 2020-07-17 00:00:00 |
{"user_name":"olchansk"} |
pwb28 all channels good. K.O. |
| 2020-08-29 00:00:00 |
{"user_name":"olchansk"} |
pwb28 sca C and D are spewing nonsense waveforms. sca A and B look okey. K.O. |
| 2020-10-06 00:00:00 |
{"user_name":"olchansk"} |
SCA C and D voltage regulator "B" LDO1 is bad, output 3.4..3.5V (goes up and down with the +5V voltage) instead of 3.3V K.O. |
| 2020-10-06 00:00:00 |
{"user_name":"olchansk"} |
"B" LDO1 replaced by D.B. all channels good now. K.O. |
| 2020-12-31 00:00:00 |
{"user_name":"olchansk"} |
same problem again. K.O. |