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 Post subject: Expansion pack soldering
PostPosted: Sun Oct 17, 2010 4:08 pm 
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Hi,

I am wondering how I can solder the expansion pack to the board. The contacts are so small! Is there any guides on this? Thanks,

Ian

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PostPosted: Sun Oct 17, 2010 5:36 pm 
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Using really thin wires helps, but the more thin the wire, the shorter it has to be to avoid interference on the lines. Like the cartridge slot, solder all contacts on one side of the board, then flip the board over and solder the other contacts. Other than that, just time and patience. Good luck.


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PostPosted: Sun Oct 17, 2010 7:01 pm 
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Snipeye wrote:
Using really thin wires helps, but the more thin the wire, the shorter it has to be to avoid interference on the lines. Like the cartridge slot, solder all contacts on one side of the board, then flip the board over and solder the other contacts. Other than that, just time and patience. Good luck.

^^ flip the board??? wth

http://forums.benheck.com/viewtopic.php?f=5&t=25379

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PostPosted: Sun Oct 17, 2010 7:46 pm 
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Great Thanks!

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PostPosted: Sun Oct 17, 2010 7:58 pm 
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A better pic :)

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PostPosted: Sun Oct 17, 2010 8:37 pm 
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from the looks of those contacts i take it you went blind for quite a while?

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PostPosted: Sun Oct 17, 2010 8:44 pm 
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Hrduncan wrote:
from the looks of those contacts i take it you went blind for quite a while?


How do you mean?

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PostPosted: Sun Oct 17, 2010 8:46 pm 
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I'm pretty sure he's referring to how small and tight the soldering is, and the fact that you'd have to strain your eyes to see what you are doing...

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PostPosted: Sun Oct 17, 2010 8:55 pm 
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eagle5953 wrote:
I'm pretty sure he's referring to how small and tight the soldering is, and the fact that you'd have to strain your eyes to see what you are doing...


Sorry . I'm real tired. LOL

Yea it's not a lot of fun. I have a lighted magnifying glass that really helps though. I need a new one that maybe can be adjusted (focused). Hmm more money to spend. Yea !!!

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PostPosted: Sun Oct 17, 2010 9:21 pm 
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hail did you use a knife in between your points while soldering?
i've done psp soldering that's harder than this but the sheer number of the wires that have to be perfect puts me off attempting this

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PostPosted: Sun Oct 17, 2010 9:28 pm 
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blaze3927 wrote:
hail did you use a knife in between your points while soldering?
i've done psp soldering that's harder than this but the sheer number of the wires that have to be perfect puts me off attempting this


No I just tin every wire and every contact. Tack the wire to the contact on the top then bend the wire perfect with a pair of needle tip tweezers. Then tack it on the bottom contact while holding it with the tweezers. Move on to the next one. There is no solder on my solder tip , just use the solder from where the wire is tinned and the contacts are tinned.

It takes a lot of time just to cut all the wires to the right size and then strip all ends and tin all wire ends.

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PostPosted: Sun Oct 17, 2010 10:13 pm 
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Great! Thanks for the pic. I'll attempt this soon. Just to clarify, you put soldered to the board before putting on the wire, then put flux on the wires? By tack do you mean to solder it?

- Ian

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PostPosted: Sun Oct 17, 2010 10:39 pm 
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put flux on the wire then put solder on the wire then put solder on the contact then solder each wire to each contact.

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PostPosted: Sun Oct 17, 2010 10:59 pm 
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Great Thanks!

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PostPosted: Sat Oct 23, 2010 9:05 am 
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Excellent Soldering there :shock:

Flux too :shock:


About time someone uses that stuff...


Can't you just solder the chip from pin-to-pin? IE: No wires?

(I have not yet looked at the traces, but can it be done that way at all?)


*EDIT*

Found this

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