Path: utzoo!attcan!utgpu!watmath!iuvax!silver!rschofie
From: rschofie@silver.bacs.indiana.edu
Newsgroups: sci.electronics
Subject: capacitor question
Message-ID: <7200032@silver>
Date: 19 Apr 89 22:20:00 GMT
Organization: Indiana University CSCI, Bloomington
Lines: 27
Nf-ID: #N:silver:7200032:000:1188
Nf-From: silver.bacs.indiana.edu!rschofie    Apr 19 17:20:00 1989


Hi,

  I am an electronics hobbiest, and recently deceided to try and save a
little money by repairing my broken Commodore disk drive myself. One of the
parts I replaced was a 16v, 47 microfarad capacitor. I replaced it with a
35v, 47 microfarad capacitor. Well, now the drive works again with one little
annoying problem. The drive has to "warm up" for about a minute, and then I
reset the computer and everything is fine. Prior to this warm up, the drive
just spins and the read/write LED blinks. So....

Question: Is it possible that due to the higher voltage of the replacement
          capacitor, the circuit has to build up capacitance (or whatever)
          for it to work, or is the problem with something else?

  Remember I'm just a hobbiest, but I think the capacitor is part of the
power supply circuit. I also replaced a diode, and two other capacitors,
but I got exact replacements for them.

  Any comments on this would be greatly appreciated. Thanks in advance.

                                          Robert Schofield


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