10/03/2006
Replace the HV Enable cable for the RICH
Ji Li and I replaced the HV Enable Macro calbe for the RICH. Now all of the three boxes functioning correctly. The sequence is from VME to HVEast to HVWest then to HVRICH. I also labled each cable.
10/04/2006
Remeasure the Phase3* and phase3
- Confirmed the previous result, phase3* is low.
- Also tested the negtive board (#23), the phase3* is low.
10/17/2006
Construct a plan to fix the board
- Trace back the a17
- Look at the calendar before the data taking started on Nov. 19
- Propose a plan to discuss with John
- Assign time to do it
Talked with John Dobbins
Asked Margie about the male connector and seems we have to order them.
John will draw the schematics for the supply.
10/24/2006
Prepare for the elements
Got the parts.