EJWW Posted Sunday at 18:35 Share Posted Sunday at 18:35 (edited) Hi BC'ers 🙂 I've recently taken possession of an early 2000s Japanese 62 reissue Jazz. It sounds great but after many years away from single coil pickups I'm finding the bridge pickup a problem. The neck pickup is silent but the back one hums like hell and touching the strings or bridge actually causes MORE buzz. The control cavity only has the metal plate along the base, as does the pickup cavities. Is a lack of decent shielding the issue here? Both pickup outputs are fine and sound good. I have recorded a video to show what's happening. Any advice for next steps greatly appreciated 👍 20241222_182428.mp4 Edited Sunday at 22:09 by EJWW Quote Link to comment Share on other sites More sharing options...
tauzero Posted yesterday at 02:34 Share Posted yesterday at 02:34 Have you delved into it yet? Could it be something as simple as the bridge pickup being connected reversed? I'd take off the control plate and scratchplate and see if the pickups were both connected the same way round, and also check that they're physically installed the same way round (having a wild thought that one might have been reversed on installation and then connected the wrong way round so it was in phase). 1 1 Quote Link to comment Share on other sites More sharing options...
EJWW Posted yesterday at 10:38 Author Share Posted yesterday at 10:38 8 hours ago, tauzero said: Have you delved into it yet? Could it be something as simple as the bridge pickup being connected reversed? I'd take off the control plate and scratchplate and see if the pickups were both connected the same way round, and also check that they're physically installed the same way round (having a wild thought that one might have been reversed on installation and then connected the wrong way round so it was in phase). Thanks for your reply @tauzero Here are a few pics under the bonnet. I've no idea what I'm looking at. All looks tidy enough to my untrained eye but.... what do you think? Quote Link to comment Share on other sites More sharing options...
Hellzero Posted yesterday at 10:46 Share Posted yesterday at 10:46 Looks like the bridge itself is not grounded anymore. That's the small copper flat "wire" coming from under the bridge and going in the bridge pickup cavity where it should soldered to the grounding plate. 3 Quote Link to comment Share on other sites More sharing options...
EJWW Posted yesterday at 11:27 Author Share Posted yesterday at 11:27 39 minutes ago, Hellzero said: Looks like the bridge itself is not grounded anymore. That's the small copper flat "wire" coming from under the bridge and going in the bridge pickup cavity where it should soldered to the grounding plate. That's just the angle of the pic I think. Here is another, I think the strip and plate are connected ok. 1 Quote Link to comment Share on other sites More sharing options...
itu Posted yesterday at 15:09 Share Posted yesterday at 15:09 Could you please take one more picture of the jack? Does it have the ground wire soldered, or is your bass relying on screws only? Quote Link to comment Share on other sites More sharing options...
EJWW Posted 23 hours ago Author Share Posted 23 hours ago 4 hours ago, itu said: Could you please take one more picture of the jack? Does it have the ground wire soldered, or is your bass relying on screws only? Not sure... here is a pic Quote Link to comment Share on other sites More sharing options...
itu Posted 21 hours ago Share Posted 21 hours ago OK, the ground is connected to output jack only by relying on screws. Wouldn't be my choice. You see the not connected eyelet: there should be a wire to the closest pot for reliability. 1 Quote Link to comment Share on other sites More sharing options...
Hellzero Posted 10 hours ago Share Posted 10 hours ago I would even recommend to ground all the 3 pots casings by soldering a wire going from one pot to the next one then to the next one and to the free eyelet on the output jack, so the grounding will be way better and not relying on the screws connectivity only. 1 Quote Link to comment Share on other sites More sharing options...
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