[HECnet] Hello from New Zealand

[Dave McGuire]

   Yes, the H777, not the H7140.  I've repaired about six of them now.

   In each case the problem was electrolytic capacitors.  The row of 
four 180uF capacitors on the +20V regulator board have been the most 
problematic.

               -Dave

On 8/2/20 5:37 AM, Rob Jarratt wrote:
> Actually I just noticed you said you have repaired the BA11-L. From what I see that is the H777 PSU. I have a broken one of those too, but I have never actually looked at it. I want to have a go at that myself first, but any tips/information would be useful.
> 
> Thanks
> 
> Rob
> 
>> -----Original Message-----
>> From: owner-hecnet at Update.UU.SE <owner-hecnet at Update.UU.SE> On Behalf
>> Of Dave McGuire
>> Sent: 02 August 2020 01:01
>> To: hecnet at Update.UU.SE
>> Subject: Re: [HECnet] Hello from New Zealand
>>
>> On 8/1/20 6:56 PM, Rob Jarratt wrote:
>>> I have an 11/24 as well, but the PSU broke on it and I don't have the expertise
>> to fix this one as it is quite complex, despite all the schematics being available.
>>
>>     Is your 11/24 in the BA11-L (5.25") or BA11-A (10.5") chassis?  If the former,
>> I've repaired a number of those power supplies and have had very good luck
>> with them.  I'd be willing to take a crack at yours.
>> You'd have to ship it over here, though.
>>
>>                -Dave
>>
>> --
>> Dave McGuire, AK4HZ
>> New Kensington, PA
> 


-- 
Dave McGuire, AK4HZ
New Kensington, PA