Recaping a Macintosh Portable

[Ben Sinclair]

Also, make sure the extra 9V battery is installed and good!

On Mon, Dec 8, 2014 at 9:49 AM, Ben Sinclair <bensinc at gmail.com> wrote:

> I have a Portable as well, and that's correct about the battery. It won't
> boot at all, even with external power, if the battery is dead.
>
> Try doing some searching about alternative power supplies. I believe the
> problem is that the standard power supply can't source enough power to get
> things started on its own. I've read about people having success using a
> power supply from a PowerBook 100, or building their own power supplies.
>
> On Mon, Dec 8, 2014 at 9:40 AM, Sean Caron <scaron at umich.edu> wrote:
>
>> Don't they also act funny if the internal battery is dead? You might have
>> to provide a substitute for that voltage. My memory is pretty fuzzy...
>> it's
>> been a while since I've read anything or given any mindshare to a Mac
>> Portable. But I definitely remember they had some strange quirks in their
>> behavior.
>>
>> Best,
>>
>> Sean
>>
>>
>> On Mon, Dec 8, 2014 at 2:13 AM, drlegendre . <drlegendre at gmail.com>
>> wrote:
>>
>> > If this is one of the original Mac Portables (white, wedge-shaped, B&W
>> LCD
>> > screen), have you disconnected the HD from the motherboard?
>> >
>> > The HDs on these machines just love to die, and when they do, they can
>> > screw-up the whole machine. If you haven't already eliminated that
>> > possibility, I'd do it before you run around replacing anything else. If
>> > you can find the correct drive, you can make a cable to adapt it to the
>> > portable - but you won't have the low-power feature of the original
>> drive.
>> >
>> > It's been 15 years, but I went through one of those machines, back when.
>> >
>> > On Sun, Dec 7, 2014 at 6:26 PM, Matt Patoray <mspproductions at gmail.com>
>> > wrote:
>> >
>> > >
>> > > Hello all,
>> > >
>> > > I have a Mac portable that refuses to even attempt to boot.
>> > >
>> > > I get random junk on the screen that is different on every power up,
>> no
>> > > drive activity and no sound.
>> > >
>> > > I am thinking the onboard surface mount electrolytics are due for
>> > > replacement.
>> > >
>> > > I was able to read the values off of most of the caps but I was not
>> able
>> > > to read the follow caps. C4, C5, C15 and C24.
>> > >
>> > > Does anyone know what value those caps are?
>> > >
>> > > Thanks,
>> > >
>> > > Matt
>> > >
>> > > Sent from my iPhone
>> > >
>> >
>>
>
>
>
> --
> Ben Sinclair
> ben at bensinclair.com
>



-- 
Ben Sinclair
ben at bensinclair.com