CMS Pixel Detector
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Layer 1 Replacement
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Layer 1 Replacement Elog, Page 4 of 16
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ID
Date
Author
Category
Subject
Text
152
Fri Mar 27 17:27:09 2020
Andrey Starodumov
Reception test
M1635 failed Reception
All ROCs are programmable but DESER400 trailer
error bits: "NO DATA" or "IDLE DATA".
ROC8-11 are affected (no data)
160
Mon Mar 30 17:49:31 2020
Andrey Starodumov
Reception test
RT of M1637-1640
All modules: M1637, M1638, M1639, M1649, are
graded A.
165
Tue Mar 31 17:32:47 2020
Andrey Starodumov
Reception test
RT of M1641-M1644
All modules graded A.
166
Tue Mar 31 17:33:37 2020
Andrey Starodumov
Reception test
RT of M1546
This is a module with a broken TBM. Silvan
put a new one on top of the broken TBM.
The module is graded A after reception test.
170
Wed Apr 1 14:36:37 2020
Andrey Starodumov
Reception test
M1646 failed Reception
M1646 showed Idig=1A, ROC6 is not programmable.
Visual inspection: scratch on a periphery
(between bonding pads) of ROC6.
171
Wed Apr 1 15:32:43 2020
Andrey Starodumov
Reception test
RT of M1546
[quote="Andrey Starodumov"]This is a module
with a broken TBM. Silvan put a new one on
top of the broken TBM.
173
Thu Apr 2 17:06:19 2020
Andrey Starodumov
Reception test
M1652 failed Reception
ROC1 of M1652 is not programmable.
Put in the "Bad" tray as C module.
177
Fri Apr 3 13:55:48 2020
Andrey Starodumov
Reception test
M1653 failed Reception
Roc12-15 are not programmable.
Visual inspection is Ok, nothing found.
To module doctor!
179
Fri Apr 3 14:18:15 2020
Andrey Starodumov
Reception test
RT of M1651 on April 2
Due to damaged module adapter the first Reception
test failed and after MoreWeb analysis graded
C.
186
Mon Apr 6 14:27:31 2020
Andrey Starodumov
Reception test
M1593
Silvan has substituted the TBM0 of M1593.
I had to substitute a cable that has residuals
and with which the Reception test failed
187
Mon Apr 6 14:42:43 2020
Andrey Starodumov
Reception test
RT of M1575 failed
Silvan has substituted the TBM0 of M1575.
Still no hits in ROC0-ROC3: "NO DATA" "IDLE
DATA" warnings
188
Mon Apr 6 14:52:09 2020
Andrey Starodumov
Reception test
RT of M1657 failed
No hits in ROC14 and ROC15.
Here is an error:
"ERROR: <datapipe.cc/CheckEventValidity:L524>
191
Tue Apr 7 14:26:48 2020
Andrey Starodumov
Reception test
RT of M1567 failed
After exchange of TBM1 the results is the
same:
192
Tue Apr 7 15:25:21 2020
Andrey Starodumov
Reception test
RT of M1662 failed
Address decoding of M1662 failed in one double
column of ROC4.
To be decided what to do with this module.
195
Tue Apr 7 18:02:07 2020
Andrey Starodumov
Reception test
RT of 1654
After Silvan removed a cap and re-bonded broken
and bent wires M1654 again has been tested.
RT grade is A.
196
Wed Apr 8 13:40:45 2020
Andrey Starodumov
Reception test
RT of M1625 failed
Silvan substituted TBM on this module.
Now ROC0 does not have hits.
Grade C, goes to "Bad" tray.
197
Wed Apr 8 13:43:15 2020
Andrey Starodumov
Reception test
RT of M1623 failed
M1623: all ROCs are programmable but no readout
from ROC8-ROC11.
Visual inspection is OK.
199
Wed Apr 8 15:20:38 2020
Andrey Starodumov
Reception test
RT of M1665
With CtrlReg=9 RT grade was B due to 90 noisy
pixels in ROC5.
Noisy in this case means that one pixel in
201
Wed Apr 8 17:17:13 2020
Andrey Starodumov
Reception test
RT of M1662 failed
[quote="Andrey Starodumov"]Address decoding
of M1662 failed in one double column of ROC4.
To be decided what to do with this module.
203
Thu Apr 9 14:36:10 2020
Andrey Starodumov
Reception test
RT of M1669 and M1670
Both modules graded A.
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ELOG V3.1.3-7933898