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N5230A boot up problems after display change. 4 beeps

Question asked by rmax on Nov 19, 2014
Latest reply on Dec 20, 2014 by jvall
We have an N5230A-4 port that operated correctly but had an internal display failure. (Original display was distorted on lower half-external monitor worked fine) I calibrated this unit in July and saw no other issues. The technician onsite ordered the exact OEM display module and replaced it. (Sharp LQ084V1DG22 as indicated on original) The analyzer is now in a state of boot up failure and issues 4 beeps in the process. Coarse trouble shooting indicates a CPU failure. Any ideas what direction I should point him in?
Thank you, Randy

Edited by: rmax on Nov 19, 2014 8:04 AM