I have a vigier passion bass with an 18 volt preamp that goes
through batteries in about 3 weeks whether i play it or not.
Is there anything I can check for with a volt meter?
Any help would be appreciated
Do you leave it with a cable plugged in?
I don't leave the cable plugged in. I bought it on ebay and
although the seller didn't disclose it he oviously knew because
he said he'd put in fresh batteries
First thing to check is for something grounding across the switched jack or the wires to it, causing the batteries to never shut off. Also someone could have dorked up the jack or wiring. The jack is just a stereo 1/4" (TRS) jack using the ring to connect the battery ground to the p/u ground via the sleeve on the mono (TS) guitar plug. Put your volt meter between + on the tip of the jack and - on the ring. Then switch - to the sleeve. If you get voltage both ways, it's running all the time. Should read dead at the sleeve with no plug in it.
ok, thanks i'll try that.
Firstly, with the battery removed, check the resistance between the ring and sleeve terminals of the jack. It should be infinite. If not, there is a short.
If the resistance is infinite, as it should be, then, with no cable inserted, and the battery connected as usual, place the leads between the ring and sleeve terminals of the jack, and measure the current. It should not exceed a couple of milliAmps. If it does, something is wrong.
Measure the current draw from battery when there is no cable plugged. Normaly there shouldn't be any current.
Put the meter on current mode, disconnect only 1 terminal of one of the betteries, measure the current with one lead on the free battery terminal and the other lead on the free battery connector terminal:
|All times are GMT -6. The time now is 11:34 AM.|
Powered by vBulletin® Version 3.6.12
Copyright ©2000 - 2013, Jelsoft Enterprises Ltd.