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PWB15

Serial number: 15 item id: 11007
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Date User Note
2018-06-06 00:00:00 sca1 dead
2019-05-14 00:00:00 labeled "SCA B dead, SCA D offset". K.O.
2019-09-23 00:00:00 loaded new firmware. boot ok, ping ok, esper ok. K.O.
2019-09-23 00:00:00 sca0 ok, sca1 dead, sca2, sca3 ok. K.O.
2019-09-23 00:00:00 sca 2 ri 70 scan chan 63 bad. K.O.
2019-10-08 00:00:00 looked at the board in the microscope, looked for the bad channel, no faults. K.O.
2019-10-08 00:00:00 retested, no dead channels. K.O.
2019-10-11 00:00:00 stored with all the other broken pwbs. K.O.
2019-10-30 00:00:00 mounted on short TPC. K.O.
2020-08-21 00:00:00 mounted on long TPC. SFP VCC measures 4.1V instead of 3.3V, one SCA suspected bad. K.O.
2020-08-28 00:00:00 LM fixed short of SFP VCC to 5V bus bar.
2020-08-28 00:00:00 all 4 SCA are working, see FW pulser on long TPC. K.O.
2020-08-28 00:00:00 5V current out of range -- AC
2020-10-04 00:00:00 pwb15 is working now, no anomalies. asked acapra "what happened?". K.O.
2020-10-04 00:00:00 status note from lmartin "5V current out of range, busted LDOs 1A/B". (see history).
2022-06-30 00:00:00 stopped booting, remains mounted on rTPC, pos 4-7
2023-05-09 00:00:00 FPGA won't run, https://alphacpc05.cern.ch/elog/Detectors/6054

Type

Name: PWB15 type id: 6186