Rainbow 100 PSU capacitor list

[Alan Perry]

I will look at that when I get back home after the weekend.

> On Mar 1, 2019, at 2:01 PM, Warner Losh <imp at bsdimp.com> wrote:
> 
> 
> 
>> On Fri, Mar 1, 2019 at 2:56 PM Alan Perry via cctech <cctech at classiccmp.org> wrote:
>> Initially it booted and ran for a while until I switched it off.
>> 
>> The last time it responded to the power switched, components powered up and the FDD started operating. Then suddenly everything stopped like the plug had been pulled.
>> 
>> Now it does nothing (apparent) when it is switched on.
> 
> The rainbow has a number of LEDs in the back that it frobs while booting... Do any of them light up?
> 
> Warner
>  
>> alan 
>> 
>> > On Mar 1, 2019, at 1:44 PM, dwight <dkelvey at hotmail.com> wrote:
>> > 
>> > Maybe I need a little clearification.
>> > When you turn the switches off, it boots?
>> > Dwight
>> > 
>> >  
>> > From: cctech <cctech-bounces at classiccmp.org> on behalf of Alan Perry via cctech <cctech at classiccmp.org>
>> > Sent: Friday, March 1, 2019 1:35 PM
>> > To: Ethan Dicks
>> > Cc: General Discussion: On-Topic Posts
>> > Subject: Re: Rainbow 100 PSU capacitor list
>> >  
>> > 
>> > 
>> > > On Mar 1, 2019, at 7:52 AM, Ethan Dicks <ethan.dicks at gmail.com> wrote:
>> > > 
>> > > On Wed, Feb 27, 2019 at 1:21 PM Alan Perry via cctech
>> > > <cctech at classiccmp.org> wrote:
>> > >> Hi,
>> > >> 
>> > >> I think that I need to re-cap the power supply in a Rainbow 100. Does
>> > >> anyone here know if anyone has put together a list of capacitors used in
>> > >> the power supply that I can use to order parts?
>> > > 
>> > > I don't have a list (I just got a pair of Rainbows last month) but
>> > > given the era of manufacture, I'd be looking for Rifa EMI filter caps
>> > > by the power inlet.  I've had those fail in BA23 cabinets and in a
>> > > Commodore D9060 hard drive, and a TRS-80 Model 4.
>> > 
>> > Thanks. When I first got the Rainbow, I asked here about what to look for before powering it up and was told about Rifa caps and what look/listen for.
>> > 
>> > I eventually threw caution to the wind and just powered it up and I ran it for 15-20 minutes. The PVA in the monitor was really cloudy, so I didn’t use the system anymore until I removed the PVA over Christmas. I was testing everything after that and the system was booting up when the power all switched off like it had been unplugged.
>> > 
>> > alan 
>> > 
>> > 
>> > > 
>> > > This is totally different than failing/bulging electrolytics.
>> > > 
>> > > -ethan
>> >