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August 2, 2012 at 9:38 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117975billboParticipant
Interestingly, if I jump the power supply onto the battery snap with test leads it works fine. With the battery, it doesn’t.This seems to rule out any mecahnical OR component problem. And the battery reads over 9V. Tried a different battery anyway for the hell of it. Still nothing.
Thanks for your time…
Bill
August 2, 2012 at 6:37 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117973billboParticipantYou mean a probe at each end of the resistor, right?
Thanks
August 2, 2012 at 6:32 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117972billboParticipantI get .3** and the last 2 digits won’t settle down.
August 2, 2012 at 6:17 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117970billboParticipantyes i have a multimeter
August 2, 2012 at 4:57 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117968billboParticipantI jumped it, no difference.
August 2, 2012 at 4:51 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117967billboParticipantPower wire from the DC jack is white on this one. That’s the resistor I think you mean, but it’s vilet black brown, looks like.
August 2, 2012 at 4:45 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117965billboParticipantI think I see the resistor in question, Y/Blk/V. It’s on the upper left hand corner of the board near the input jack. Would jumping a new one in work to test it or do I have to remove the old one first?
Thanks
August 2, 2012 at 4:41 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117963billboParticipantNo red wires go directly to the board…the only red wires are from the snap and 2 others going from the input to the footswitch. All the other wires from the input and power jacks are white on this ‘Stone.
Thanks…
August 2, 2012 at 4:32 pm in reply to: 1978 Small Stone works fine on power supply but not on battery… #117961billboParticipantThe battery connector’s not backwards. It appeared to have never been disturbed when I got this, but I did try revering it anyway, nope, that’s not it. Red from the snap is connectected to the tip of the power jack, the black wire to the ring of the input jack.
Thanks for the tip about the resistor. Where would that be on the board and what are the stripe colors? (I’m not really a tech, but trust myself with small repairs) Is that a componnent that is likely to fail?
Thanks!
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