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GE Sytec Synergy CT Detector Artifact Problem

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Herman Rice

GE Sytec Synergy CT Detector Artifact Problem

March 05, 2007 09:21

Have a Sytec Synergy CT with a ring artifact. This ring appears about 30 minutes after scanning.
This appears to be a thermal problem. Sometimes warmup fails the highpass ratio test listing channel 431. All other DAS Diagnostics pass.
Also, the DAS heater seems to be working properly.
Any help appreciated!

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Elliot Marcus

Re: GE Sytec Synergy CT Detector Artifact Problem

March 05, 2007 10:42

What is the diameter of the ring? Is it black,white, faint? Have you replaced the board relating to the failing warmup channel 431?

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Ralph Childs

Re: GE Sytec Synergy CT Detector Artifact Problem

March 06, 2007 03:42

Herman,

If it is channel 431 causing the trouble, your ring radius will be 15.67cm. 431 is on CN5 of the 3rd CAM board. You can always swap CAM 2 & 3 to see if the ring moves. If not, it is in the detector.

Scooter
scanner1@eim.ae

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Herman Rice

Re: GE Sytec Synergy CT Detector Artifact Problem

March 06, 2007 04:07

Thanks, I'll try swapping CAM 2 & 3

Herman

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Elliot Marcus

Re: GE Sytec Synergy CT Detector Artifact Problem

March 07, 2007 09:52

Herman.

Don't forget to recal once you've swapped the boards.

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Carlos Duran

Re: GE Sytec Synergy CT Detector Artifact Problem

March 05, 2007 11:21

is always the same channel? how is the image displayed?

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