Power Supply Problems
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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Quoted 4 lines · Jbit
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...
Signature · 5 lines
Ralf Hildebrandt (Im Auftrag des Referat V A) [email protected] 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.)
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.
Quoted 20 lines · Ralf Hildebrandt
Quoted 4 lines · Jbit
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) [email protected] Charite Campus Virchow-Klinikum Tel. +49 (0)30-450 570-155 Referat V A - Kommunikationsnetze - Fax. +49 (0)30-450 570-916May's Law: The quality of correlation is inversely proportional to the density of control. (The fewer data points, the smoother the curves.)
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Quoted 2 lines
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
Quoted 2 lines
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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