PWB28

Serial number:

28

item id: 11020

PO number:

Received:

Manufacturer:

Model:

Created on:

Updated on:

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Date	User	Note
2020-07-17 00:00:00		pwb28 all channels good. K.O.
2020-08-29 00:00:00		pwb28 sca C and D are spewing nonsense waveforms. sca A and B look okey. K.O.
2020-10-06 00:00:00		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		"B" LDO1 replaced by D.B. all channels good now. K.O.
2020-12-31 00:00:00		same problem again. K.O.

Type

Name:

PWB28

type id: 6199