201309 R1ProgressRep
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09/04/13
Replaced 10 clean room filters
Tasks remaining:
- Measure all Field and Sense wire tensions prior to potting
- pot S2 & S3
- install Windows on S2 & S3
- install HVBs & STBs onto S2 & S3
- burn in S2 & S3
- finish Q&A on all chambers
David Coneff is managing two student workers and plans to finish the above remaining tasks before Jan 2014 as a part time worker, their work schedule is given below.
| Mon | Tues | Wed | Thurs | Fri | Sat | Sun |
| 1-5pm | 1-5pm | 1-5pm | 11am-5pm |
9/20/13
Q&A tasks remaining
- discovered current draw beyond 20 uA when Sector 1 HV_SL1 board 7 voltage is raising to 500 volts. need to debug
The board drags a high current, all the boots were removed and the current is 15 uA for field, 12 uA for guard, and 1 um for sense as the applied voltage on them is 35V, 10V,50V successively.
- replaced Sector 1 HV_SL1 board 4 due to a broken bus pin
- continue burning in Sector 5
- finish taking scope pictures of sense wire output on Sector 5
- continue debugging TDC input cables