* [parisc-linux] Power Supply Problems
@ 2002-03-03 16:36 Jbit
2002-03-03 20:10 ` Ralf Hildebrandt
0 siblings, 1 reply; 5+ messages in thread
From: Jbit @ 2002-03-03 16:36 UTC (permalink / raw)
To: parisc-linux
Hey, erm, I just tried to boot my other hp (712/60) and the fuse (inside the power supply) just blew..
I was wondering if anybody has a scematic for the power supply so i can (try to) fix it?
thanks for any help
--jbit
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [parisc-linux] Power Supply Problems
2002-03-03 16:36 [parisc-linux] Power Supply Problems Jbit
@ 2002-03-03 20:10 ` Ralf Hildebrandt
2002-03-03 23:22 ` Christoph Plattner
0 siblings, 1 reply; 5+ messages in thread
From: Ralf Hildebrandt @ 2002-03-03 20:10 UTC (permalink / raw)
To: Jbit; +Cc: parisc-linux
On Sun, Mar 03, 2002 at 04:36:55PM +0000, Jbit wrote:
> Hey, erm, I just tried to boot my other hp (712/60) and the fuse (inside
> the power supply) just blew..
> I was wondering if anybody has a scematic for the power supply so i can
> (try to) fix it?
Just open it and find the fuse. It shouldn't be hidden too deep...
--
Ralf Hildebrandt (Im Auftrag des Referat V A) Ralf.Hildebrandt@charite.de
Charite Campus Virchow-Klinikum Tel. +49 (0)30-450 570-155
Referat V A - Kommunikationsnetze - Fax. +49 (0)30-450 570-916
May's Law: The quality of correlation is inversely proportional to the
density of control. (The fewer data points, the smoother the curves.)
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [parisc-linux] Power Supply Problems
2002-03-03 20:10 ` Ralf Hildebrandt
@ 2002-03-03 23:22 ` Christoph Plattner
2002-03-03 23:52 ` Alan Cox
0 siblings, 1 reply; 5+ messages in thread
From: Christoph Plattner @ 2002-03-03 23:22 UTC (permalink / raw)
To: Ralf Hildebrandt; +Cc: Jbit, parisc-linux
The problem is not finding the fuse, but "remove" the "reason",
why the fuse is blown up.
In some seldom cases, if we have luck, we simple need to exchange
the fuse, and I wish Jbit much luck ....
With friendly regards
Christoph P.
Ralf Hildebrandt wrote:
>
> On Sun, Mar 03, 2002 at 04:36:55PM +0000, Jbit wrote:
> > Hey, erm, I just tried to boot my other hp (712/60) and the fuse (inside
> > the power supply) just blew..
> > I was wondering if anybody has a scematic for the power supply so i can
> > (try to) fix it?
>
> Just open it and find the fuse. It shouldn't be hidden too deep...
>
> --
> Ralf Hildebrandt (Im Auftrag des Referat V A) Ralf.Hildebrandt@charite.de
> Charite Campus Virchow-Klinikum Tel. +49 (0)30-450 570-155
> Referat V A - Kommunikationsnetze - Fax. +49 (0)30-450 570-916
> May's Law: The quality of correlation is inversely proportional to the
> density of control. (The fewer data points, the smoother the curves.)
>
> _______________________________________________
> parisc-linux mailing list
> parisc-linux@lists.parisc-linux.org
> http://lists.parisc-linux.org/mailman/listinfo/parisc-linux
--
-------------------------------------------------------
private: christoph.plattner@gmx.at
company: christoph.plattner@alcatel.at
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [parisc-linux] Power Supply Problems
2002-03-03 23:22 ` Christoph Plattner
@ 2002-03-03 23:52 ` Alan Cox
2002-03-04 1:34 ` Jbit
0 siblings, 1 reply; 5+ messages in thread
From: Alan Cox @ 2002-03-03 23:52 UTC (permalink / raw)
To: Christoph Plattner; +Cc: Ralf Hildebrandt, Jbit, parisc-linux
> In some seldom cases, if we have luck, we simple need to exchange
> the fuse, and I wish Jbit much luck ....
Fuses often go with age so he may be lucky. You might also want to pull off
the disks and any add on cards then try with a new fuse, and work forwards
with a supply of them to hand.
ObElectronicsWarning: If you dig in the innards of a PSU please remember
that some capacitors can hold enough charge to kill you several weeks after
the system is unplugged. Also having reassembled it check that the earthing
is correct with a meter before you try it.
Alan
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [parisc-linux] Power Supply Problems
2002-03-03 23:52 ` Alan Cox
@ 2002-03-04 1:34 ` Jbit
0 siblings, 0 replies; 5+ messages in thread
From: Jbit @ 2002-03-04 1:34 UTC (permalink / raw)
To: parisc-linux
> In some seldom cases, if we have luck, we simple need to exchange
> the fuse, and I wish Jbit much luck ....
No such luck, the (new) fuse blew streight away ;(
The workstation in question has no HDD/FDD/cards to blow it.
It looks like one of the FETs has blown too, the question is, why?
Hopfully its a dodgey (old) power supply, NOT the mother board...
Will say when (and how) i fixed it, so anybody with similar problems can dig through the ml archives and fix it (fairly) easily
--jbit
`
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2002-03-03 16:36 [parisc-linux] Power Supply Problems Jbit
2002-03-03 20:10 ` Ralf Hildebrandt
2002-03-03 23:22 ` Christoph Plattner
2002-03-03 23:52 ` Alan Cox
2002-03-04 1:34 ` Jbit
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