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E4403B LO Unlock Problem

Question asked by imett on May 4, 2010
Latest reply on Jan 29, 2012 by imett
Hi,
i've an old e4403B with this problem, when starts there is a label with "ALL Alignament required and  LO Unlock" but it is strange because there isn't error in the error log, I've use many time all alignent now  but nothing change.
what i've to do?change the RF board?

Thanks matteo  

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