psarkissian

Check with Full Compass. If it is not in stock, then see if they can special order it for you. https://www.fullcompass.com/

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.

Take it to an authorized service center with experience with this product. Being a 15+ year old product, it's more than likely an issue with the main processor board, intermittent connection.

There are two kinds of XLR type AES/EBU cables,... Low impedance Mic cable at 50-Ohms for analog use. Line 6 Link or L6 Link cable at 110-Ohms for digital use. Do Not mix or swap them. Correct impedance for the correct usage, or problems can occur.

No problem,... https://line6.com/legacy/variaxacoustic300steel ... have one of those too. Shows how to use Monkey for checking Firmware and Workbench for doing custom patches.

https://line6.com/legacy/variax300 Start with the manual, how to use it, how to do reset or re-install Firmware, how to use the Workbench application.

Check the Downloads page on the site for computer OS compatibility. And that it's for Workbench HD.

Very good.

https://www.stewmac.com/luthier-tools-and-supplies/tools-by-job/tools-for-knob-and-bushing-pulling/pullit-knob-puller I've used these in my work servicing and repairing guitars. https://www.stewmac.com/luthier-tools-and-supplies/tools-by-job/tools-for-knob-and-bushing-pulling/schatten-knob-and-bushing-puller These days I use this one. Got it back when the cost was somewhat less. Some people use the two spoon method, with something to pad underneath, so the spoons don't scuff the finish.

No work around, it's a older earlier one. Best to have a service center check it out. Could be anything. If they want to consult me at any point during servicing, they can through the normal technician channel here.

And early number unit,... https://line6.com/find/service_center/ Several service centers between Cambridge, Toronto, Pickering and Oshawa.

"W" built at World Music, Inc. 1904,... early 2019 I forget if the last four are sequential or random, I never concerned myself with that.

Using Google Translate from Italian,.... I'm a left handed guitarist so finding guitars I like has always been difficult. Today easier than once, but always difficult. Although I own 18 beautiful instruments, including vintage ones, out of curiosity I switched to digital by purchasing a PODHD 500 which, after six hard months of learning, is giving me great satisfaction. Now I wanted a Variax to explore new horizons with POD, but unfortunately nothing. No new models, no used old models. In the end I decided, also encouraged by some line6 users who had already done so, I bought a used Variax 300 for right-handers and this morning I made it left-handed. Four hours of work in total: turned the nut, disassembled the bridge and inverted the direction of the connector of the 6 piezoelectrics (there is no need to do anything else) reassembled everything, new strings, for safety even if it is not necessary, I rewound the firmware with line6 Monkey and ............... Amazing!!!! The acoustic 6 and 12 string sounds have got me guys dreaming. The guitar is not particularly uncomfortable even if it is Hendrixian. I arrive well at the 20th fret and with the bend of two semitones I play a full D, sufficient for most of the songs. The controls are a bit awkward, but don't bump your arm while playing. With POD you dream: I can store Variax models and controls in patches and go from a growling Les Paul with a Mesa to a dreamy Martin D12 with effects. Great how this has been around for 15 years and I'm using it now. I won't be selling my analog gear, but the Variax and POD will definitely feature prominently in my rig. Give it a try, it's worth it. Good job, Tris.

Something as old as a 500 Electric can have oxidized and intermittent solder point. Recommend a Line 6 authorized service center in your area that knows the product, they can give it check out. https://line6.com/find/service_center/

Monkey is used for Firmware updates, Variax Workbench (not Workbench HD) is used for creating custom patches and tunings. Original Workbench is compatible with Windows 7 and 8,... but not 10. 500 Electric,... should be able to do alternate tunings manually. That would be in the manual. https://line6.com/legacy/variax500

What silverhead said, original Workbench won't run on an Mac using M1. If you still have or can borrow an older Mac for this purpose, that might work. It's why I still keep and use a couple of previous revision Macs. Always check the Downloads page for compatibility. Thank you silverhead.

Burbank,... Valley Sound,... I know them. Use to work for Stretch at Westlake Audio Recording tech service department, back in the day. He's a really good tech as are his other techs.

https://line6.com/find/service_center/ For the authorized service center near you.

Do not alter or modify. Certain components may fail (I can't get into which component, proprietary stuff). And parts for older guitars are scarce or no longer available, depending on the model of he older Varaix guitar. TS can drain battery faster. Yes, Li-Ion in older Variax is not compatible with older Variax. Someone tried that years ago, it ended badly for the electronics.

DO NOT use the Cameron-Sino batteries, they are unreliable. Had a Variax in a week and a half ago,... battery would charge. I've had nothing but toruble with those Cameron-Sino batteries. I submitted a request to have the service center map checked and updated. pinfos,... no deception. They are out there. But because they are Li-Ion, they can only ship in small bundles at a time for safety reasons. They are getting through, just not fast enough.

Log a support ticket. Older product like that might be oxidized solder point or loose internal connection. Check with Line 6 Support.

Yes,... silverhead is tech and knows these things.

As I recall, the Parker Fly Mr Belew uses, has an early Variax 500 or 700 Electric processor board in it, so JTV (Standard and Shuriken) which use a different newer processor board, might not be compatible.

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brue58ski,... pretty much. Other complications would be that 89F is a tremolo bridge and the way it's mounted. Have not seen a successful function of a GK-3 on an 89F yet. Couple of 69's (tremolo bridge) and a number of 59's (fixed bridge). Would be interesting to hear how this one turns out. Good luck.