[parisc-linux] HELP HELP - my power supply of the 720 !!

[Christoph Plattner]

>From time to time I switch my 720 (apollo 9000/720) via a switch in the
plug of the main supply not with the switch on the front of the
workstation.
Can damage this the machine (power supply) ??

Please answer to my problems !

With friendly regards
	Christoph Plattner



Christoph Plattner wrote:
> 
> HELP !
> 
> I have a problem with my power supply on the HP 720 work station.
> Ok thats off topic, but I need help !
> 
> Since a week I have trouble with my 720. When I switch it on,
> the LEDs flashes up for a part of a second (ca. 100-200ms), and then
> it's dead again. The power supply cannot hold up the power.
> 
> After switch off the machine (or unplugging from main supply), it can
> start in normal manner. Another day, it has the trouble again.
> 
> I debugged the machine inside with multimeter, isolated circutis
> (removed CPU and I/O cards, etc) and analysed some points.
> 
> The problem is definitely the power supply, not another part in the
> Apollo 720.
> 
> As there a hardware docu of this power supply ? .. to have a chance to
> repair it ?
> Is there anybody who can help me with a cheap (very cheap) replacement
> of a power supply ?
> 
> Please contact me in this subject !!
> 
> Cheers
>         Christoph P.
> 
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> 
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