Hi everybody out there in the a-lot-of-dead-power-supplies-land. ---------- >Von: James MacPhail <[EMAIL PROTECTED]> >An: <[EMAIL PROTECTED]> (LisaList) >Betreff: Re: HELP Lisa dead 150W Power Supply >Datum: Fre, 28. Dez 2001 23:43 Uhr >
> The 1.2 A and 1.8 A power supplies are very different as you say. I believe > the 1.8 A one was supplied to Apple under contract, hence no schematic > 'leaked' from Apple. > > "Usually" the failure of a Lisa power supply is typical of a switching > power supply. (Leaking high voltage capacitors, blown flyback transistor, > fried rectifier diode...) so it usually doesn't require a schematic to fix. > I suppose there are plenty other failures that cause the power supply to be > forgotten on a shelf awaiting repair, I think I have a couple of those. > > If anyone does find a schematic for this power supply, please let us all > know, I suspect many of us care. > > Otherwise, perhaps someone can volunteer to draw it? > (Or even volunteer some funds to commission it) > > To start, I would suggest Capilano DesignWorks... the lite version is $40, > free demo. > > http://www.capilano.com/ > > James -- LisaList is sponsored by <http://lowendmac.com/> and... Shop buy.com and save. <http://lowendmac.com/ad/buy.com.html> Support Low End Mac <http://lowendmac.com/lists/support.html> LisaList info: <http://lowendmac.com/lists/lisa.html> Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/lisalist%40mail.maclaunch.com/> Using a Macintosh? Get free email and more at Applelinks! <http://www.applelinks.com>
