Archived Messages for CLAS_TOF_1997@cebaf.gov: TOF Problem List

TOF Problem List

Elton Smith (elton@CEBAF.GOV)
Wed, 24 Sep 1997 11:23:43 -0400

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For the purpose of record I am putting together a list of TOF channels which have problems. As
we fix them we can update the file and send it out to clas_tof. The archiver will keep these
files for us, so they can be looked at at future times. Elton.

Original List 9/22/97

Sector Scint ADC TDC Name Date Comment

1 16R bad bad Carstens 9/23/97 CRATT Bad at first jumper
1 36L bad bad Carstens 9/23/97 FIXED 16 ns calbe replaced

3 5L bad bad Carstens 9/23/97 FIXED
3 18R ok bad Carstens 9/23/97 ? Signal at splitter
3 25L bad bad Carstens 9/23/97 CRATT Bad at first jumper
3 30R ok bad Carstens 9/23/97 ? Signal at splitter
3 36R bad bad Carstens 9/23/97 FIXED cable was disconnected
3 41R bad bad Carstens 9/23/97 FIXED combiner box connector broken
3 42R bad bad Carstens 9/23/97 FIXED combiner box connector broken

4 8L ok bad Carstens 9/23/97 ? Signal at splitter

5 9R bad bad Carstens 9/23/97 CRATT Bad at first jumper
5 24L bad bad Carstens 9/23/97 CRATT No output from tube
5 24R bad bad Carstens 9/23/97 CRATT No output from tube
5 36R bad ok Carstens 9/23/97 ? Signal at splitter

6 1R bad bad Carstens 9/23/97 CRATT Bad at first jumper
6 30R bad ok Carstens 9/23/97 ? Signal at splitter
6 31R bad bad Carstens 9/23/97 FIXED Poor LEMO connector at splitter
6 32L bad bad Carstens 9/23/97 FIXED Poor LEMO connector at splitter

CRATT: Cannot be fixed at this time.

Problem: ADC and TDC ADC or TDC

Status before fixes: 13 5
Status after fixes: 6 5

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