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Archived Messages for CLAS_TOF@cebaf.gov: from Costy

from Costy

Kostantin Loukachine (costy@jlab.org)
Mon, 13 Apr 1998 15:08:03 -0400


Hi Everybody,

Here is the latest TOF trouble list ( data of April 12th ):

( Tom, all hardware problems I marked with the star )

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sector counter problem comments

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* 1 16R Dead PMT no access

* 1 47AR low rate in ( ? )
ADC & TDC

* 2 2R a bit hot no access

* 3 16R dead PMT no access

3 18R Tdiff is bad TDC's too early ( ? )

* 4 12R no ADC, no TDC dead PMT ( ? )

4 21R Tdiff is bad TDC's too early ( ? )

4 43A Tdiff is strange ( ? )

* 5 16R no ADC, no TDC dead PMT ( ? )

5 22 Tdiff is bad ( ? )

5 24 Tdiff is bad ( ? )

5 33 Tdiff is bad TDCL low rate ( ? )

* 5 41BR ADC only low ( ? )
channel noise

6 37 Tdiff is bad, ( ? )
(the rest is OK)

6 39 Tdiff is bad, ( ? )
(the rest is OK)

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TO FIX PEDESTALS SETUP ON (presently at 1000):

Sector 4,# 1 Lelt : ADC slot 3, ch.48;
Sector 6,# 30 Right : ADC slot 3, ch.49;
Sector 6,# 31 Right : ADC slot 3, ch.50;

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Costy L.