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Entry  Fri Feb 15 20:07:28 2013, yuta, Update, Alignment, POP path set up but AS55 is broken 
    Reply  Fri Feb 15 21:22:29 2013, yuta, Update, Electronics, AS55 replaced with POP55 PD 
    Reply  Mon Feb 18 21:43:05 2013, Koji, Update, Alignment, POP path set up but AS55 is broken AS55.pdf
       Reply  Tue Feb 19 00:21:09 2013, yuta, Update, Electronics, POP path set up but AS55 is broken 
          Reply  Tue Feb 19 05:42:28 2013, Koji, Update, Electronics, POP path set up but AS55 is broken 
             Reply  Tue Feb 19 08:06:02 2013, yuta, Update, Electronics, POP path set up but AS55 is broken 
Message ID: 8092     Entry time: Fri Feb 15 21:22:29 2013     In reply to: 8091
Author: yuta 
Type: Update 
Category: Electronics 
Subject: AS55 replaced with POP55 PD 

I temporarily replaced AS55 PD with PD labeled "POP55(POY55)".
I think POP55 is working because I could lock MI with this PD using AS55_Q_ERR as an error signal. I rotated I/Q phase (C1:LSC-AS55_PHASE_R) to 70 deg by minimizing ASDC during MI lock.

POP55 PD was freely sitting on the ITMX table.
I will leave AS55 PD at free space of the AP table. Someone, please look into it.

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