jbszulc Posted June 17, 2018 Share Posted June 17, 2018 A couple of weeks ago the USB quit in my HD 500. Now the unit is in a boot loop and when I run the diagnostics the SDRAM test never finishes. Is there a document that tells how to use the diagnostic mode? Monkey can't see it to re-flash. There are no service center within 300 miles of here. Is there a document that tells which chips are the SDRAM? Is there a document that tells how to use JTAG To diagnose this? or am I stuck and now just need a new unit? Since I am a loyal Line 6 Customer (POD 2.0 , SPIDER VALVE I and II, POD HD and HD 500, JT Variax) maybe they can cut me a deal on a helix? Does anyone know what the reliability of the helix unit is like? Quote Link to comment Share on other sites More sharing options...
codamedia Posted June 17, 2018 Share Posted June 17, 2018 Open a support ticket with Line 6. They will provide you options for having it serviced. Quote Link to comment Share on other sites More sharing options...
pfsmith0 Posted June 25, 2018 Share Posted June 25, 2018 Regarding USB, quite a few of us have had the pins on the USB port break off. Check the rear of your unit to see of the USB connector has that black plastic center plug still intact. When (not if) that breaks off then you'll need to replace the USB connector. Do a search here for Mouser and you should be able to find the replacement part number.They're around $2 or so, but the soldering job is a little tricky. Quote Link to comment Share on other sites More sharing options...
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