User name bogdanw
Log entry time 10:50:28 on December22,2003
Entry number 115031
Followups:
keyword=A1/A2 few channels were fixedA2 PMT -a2.tdc[8] - noise ~ 30 kHz -> after pulses due He - need to be replace before experiment.
A2 PMT -a2.adc[10] in analyzer- HV base failed - replaced, looks good
A2 PMT -a2.tdc[16] - was empty - signal cable on the discriminator wasn't locked
A1 PMT -a1.adc[5]-[6] - HV cables on the PMT were misplaced - fixed
A1 PMT -a1.adc[7]) big current in base - base replaced, current is low
Present HV set is in the picture
FIGURE 1
