At 06:35 PM 3/31/04 -0600, you wrote: > >On Tue, 30 Mar 2004, Andy Wilson wrote: > >> What you need to do is connect the meter probes to the common and the >> V/Ohm/mA input and set the meter to measure *voltage* not current. >> Now apply voltage to the dc input jack of the P3 and measure the >> voltage between the 2 input pins. It should measure about 9V. If > >did that... 7.6v. even after i've removed the fuse, replaced it with a >wire link, and removed D1, the regulator gets very hot and the P3 does not >appear to power up. looking at the data sheet, the regulator's ground is >the middle pin. from that to the third pin (output), the voltage registers >as .776v. .776V sounds like 1 diode drop. I bet you have a diode mounted backwards right near the power supply Dave Magnuson Resonant Frequency: resfreq@hoohahrecords.com http://www.hoohahrecords.com/resfreq/index.html ---------- --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.598 / Virus Database: 380 - Release Date: 2/28/04 [Non-text portions of this message have been removed]
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Re: [analogue-sequencer] p3 having fuse issue?
2004-04-01 by Dave Magnuson
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