backfixer Posted July 20, 2023 Share Posted July 20, 2023 I purchased a JTV 69 a couple of years ago to be the one guitar needed for a gig. Mostly terrific and I had it professionally set up and use 09 string sets, I developed a problem where when I am using the les paul standard setting, on occasion, the guitar just drops a half step. Most noticible here and in the middle of a gig, it sucks. I then hit the modeling off button and it usually resets or the same when I remove the battery and then put it back. The upper tunings button usually begins to flash and I get a strange warbling tone when it does this. I had it in a local authorized shop who failed to fix it and then sent to line 6 in california last year where they had it working.until recently. Not sure what gives but guitar plays great unitl this Quote Link to comment Share on other sites More sharing options...
codamedia Posted July 22, 2023 Share Posted July 22, 2023 Sounds like the tuning dial is misbehaving. Like any encoder or pot I'd attempt a cleaning first... failing that it may need to be replaced. I'm sure our resident Variax guro will jump in to make a suggestion or two. Quote Link to comment Share on other sites More sharing options...
psarkissian Posted July 24, 2023 Share Posted July 24, 2023 Make certain the two screws are snug that are holding the thumb wheel, they are holding it to the pick-guard to maintain good chassis ground with the foil on the underside of the pick-guard. Quote Link to comment Share on other sites More sharing options...
backfixer Posted July 30, 2023 Author Share Posted July 30, 2023 wow, thanks. I just adjusted these screws and the problem resolved. Wonder why when I sent this to line 6 the first time noone told me about this and I have not seen this suggestion anywhere else. I was planning to send this back in but I have a gig tuesday. Will see how it goes. Quote Link to comment Share on other sites More sharing options...
psarkissian Posted July 31, 2023 Share Posted July 31, 2023 It was. Been a couple years or three since it was on my bench. Screws have had plenty of time to loosen. See touring musician Variaxes on my bench one every 12 to 18 months, typically. Quote Link to comment Share on other sites More sharing options...
backfixer Posted August 3, 2023 Author Share Posted August 3, 2023 adjusted the screws and played Tuesday night. It was great until toward the end of the set the tuning dropped while playing live again. I need to have this fixed. As I am not touring and using this constantly, there has to be a better fix, no? One of the screws does not tighten but the other is tight by the tuning modeling switch. Before I send this back is it possible there is a defect either in the switch or the original grounding. Don't see too many people mentioning this but it is a problem when playing live. When I go to the guitar pickups and then back to the modeling it clears itself up but i need reliability to trust the instrument. Love the guitar but this is getting old. Quote Link to comment Share on other sites More sharing options...
psarkissian Posted August 3, 2023 Share Posted August 3, 2023 And constantly being used and gigs and all. Sounds like something has gotten loose again and need a good going over. It's been a couple of years since its last servicing. Quote Link to comment Share on other sites More sharing options...
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