[Coco] 2 wasted cpus?

Rob Rosenbrock bester at adamswells.com
Thu Mar 7 15:46:48 EST 2013


I'd check neighboring pins for solder bridges, too. I don't have a
schematic in front of me, but I don't believe any of the pins are supposed
to connect together.

> I'll follow the technical reference manual and see if I can find all
> traces. I just made a quick test testing each one where it visible should
> be connected.
>
>
>
>
> On Thu, Mar 7, 2013 at 3:06 PM, Steven Hirsch <snhirsch at gmail.com> wrote:
>
>> On Thu, 7 Mar 2013, camillus Blockx wrote:
>>
>>  Also worth to mention is when you placed the machiened socket did you
>>> solder it on both sides?
>>>
>>
>>  Go with a thin solderwire and add a little more solder tobottom and top
>>> side on the pins of the cpusocket.
>>>
>>
>>  This makes sure that plated thrue holes are making goodcontact. Use
>> also a
>>> fine solderpoint for this.
>>>
>>
>> If you use flux and apply the appropriate temperature iron, capillary
>> action will pull the solder through the hole.  Also, unless you damaged
>> something during chip removal, the holes are plated through and don't
>> technically need visible amounts of solder on the top.  Explicitly
>> applying
>> an iron on the top just runs the risk of melting the socket.
>>
>> Steve
>>
>>
>> --
>>
>>
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> http://five.pairlist.net/**mailman/listinfo/coco<http://five.pairlist.net/mailman/listinfo/coco>
>>
>
>
>
> --
> Long live the CoCo
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco
>





More information about the Coco mailing list