On Sun, Jul 30, 2017 at 8:17 PM, Jules Richardson via cctalk
wrote:
> On 07/30/2017 11:28 AM, Tony Duell wrote:
>>
>> I certainly traced out the schematics of mine, but I forget which PSU was
>> fitted to my machine (something tells me it was made by Farnell).
>
>
> That could well be - I do thin
Hi all
I try and boot up most of the working systems I’ve got at least 2-3 times a
year, and on a recent boot up of a Cambridge Workstation, I got the dreaded
smoke.
The system works fine, but the PSU is clearly stressed. The PSU is a ‘VMS
2691A’, made in the UK, and it looks like the problem
On Sun, Jul 30, 2017 at 8:17 PM, Jules Richardson via cctalk
wrote:
>> The former are the ones that normally fail, but I would change the lot.
>
>
> I'd be inclined to agree in the case of any class X/Y caps as they're a
> known failure point in any piece of vintage equipment... but not every
> s
On 07/30/2017 11:28 AM, Tony Duell wrote:
On Sun, Jul 30, 2017 at 5:18 PM, Jules Richardson via cctalk
wrote:
On 07/30/2017 10:59 AM, Ian Frost via cctalk wrote:
Any body any experience in fixing these old Acorn PSUs - or managed to
source alternative modern supplies?
In general smoke from
On 2017-07-30 12:18 PM, Jules Richardson via cctalk wrote:
On 07/30/2017 10:59 AM, Ian Frost via cctalk wrote:
Any body any experience in fixing these old Acorn PSUs - or managed to
source alternative modern supplies?
There wasn't anything "special" about them, in that the outputs were
typical
The PSUs in the Acorn BBC Micros are we'll know for blowing caps. Replacing
caps is a standard thing when bring any BBC Micro back to life.
The StarDot forum is a good place to ask specifics about a Cambridge
Workstation - http://www.stardot.org.uk/forums/
On 30 July 2017 at 17:28, Tony Duell v
On Sun, Jul 30, 2017 at 5:18 PM, Jules Richardson via cctalk
wrote:
> On 07/30/2017 10:59 AM, Ian Frost via cctalk wrote:
>>
>> Any body any experience in fixing these old Acorn PSUs - or managed to
>> source alternative modern supplies?
In general smoke from a power supply that keeps on working
On 07/30/2017 10:59 AM, Ian Frost via cctalk wrote:
Any body any experience in fixing these old Acorn PSUs - or managed to
source alternative modern supplies?
There wasn't anything "special" about them, in that the outputs were
typical for "small computer with a hard disk" (i.e. +5V and +12V a
Hi all
I try and boot up most of the working systems I’ve got at least 2-3 times a
year, and on a recent boot up of a Cambridge Workstation, I got the dreaded
smoke.
The system works fine, but the PSU is clearly stressed. The PSU is a ‘VMS
2691A’, made in the UK, and it looks like the problem
