[colug-432] OT: Mainboard question

Bill Baker bill_chris at earthlink.net
Sun Sep 2 14:39:54 EDT 2012

Since I don't have any experience with this sort of thing, is there
anywhere I can take it to get it repaired?

On 09/02/2012 01:30 PM, Jason White wrote:
> As I said before, the lighter more reflective areas of the PCB are
> copper traces. They are under a layer of green solder mask. the crack
> in the printed circuit board has severed one to all of the traces of
> copper it runs through. What you could do is:
> (Assuming you have had experience with electronics before, do not try
> if you do not know what you are doing. I shall not be liable for
> damages caused)
>   1) Mechanically secure the separated chunks of PCB together (ie.
> epoxy on the component side) so that they cannot be separated again
> through normal use
>   2) Remove (scratch off) the green solder mask layer around the crack
> from the copper traces that have been severed
>   3) (lazy way) With a soldering iron, lay down globs of solder on the
> traces where the crack has severed them. This bridges the mechanical
> gap between the broken segments of the copper trace and forms an
> electrical connection
>   3) (non-lazy way) same as the lazy way except you use small copper
> wire with the solder
> If this email is not clear, feel free to ask. However I'm pretty sure
> that Google can shed some light on any question you may have.
> On Sat, Sep 1, 2012 at 11:04 PM, Bill Baker <bill_chris at earthlink.net> wrote:
>> Here is a picture of it:
>> http://imgur.com/qJENO
>> The crack starts just above my thumb and runs northeast to the other
>> side.  The black square on the right side is for the AC adapter.
>> On 09/01/2012 10:40 PM, Jason White wrote:
>>> Yes, however it requires knowing what specifically is broken, I'd
>>> recommend posting pictures of the broken PCB. What you will end up
>>> needing to do is to (most likely) is to run wires between the broken
>>> traces[1].
>>> [1] - A Trace is a strip of copper that forms an electrical connection
>>> on a printed circuit board
>>> On Sat, Sep 1, 2012 at 8:23 PM, Bill Baker <bill_chris at earthlink.net> wrote:
>>>> I know this is off-topic for Linux but I know we have some experts in
>>>> here when it comes to working with mainboards, so here goes:
>>>> I have a rather expensive metronome I bought back when I was a music
>>>> major in college.  I recently dug it out and tried plugging it in but it
>>>> would not turn on.  Removing the back of it, I noticed that there is a
>>>> crack in the corner of the mainboard right where the cord plugs in.
>>>> Holding the two pieces of the mainboard together tightly while turning
>>>> it on doesn't seem to make any difference.  Is there any way of fixing
>>>> the mainboard so that it will work when plugged in?
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