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Is there anyone in the UK that would help me with my gamma2

post #1 of 10
Thread Starter 

I started building my Gamma2 a while back now and discovered that the smallest surface mount components are just too small for my abilities, having found a Mini^3 really easy I wasn't expected this as I hadn't realised how much more difficult it would be. So is there anyone that could check my existing surface mount components and solder on the one I can't seem to manage and test it for me? Preferably someone who already owns and has built one.

 

Also what would be a realistic cost for getting this done? I would of course post it to whoever could help me.

 

Thanks

 

Simeon

post #2 of 10

Can you post a picture of the circuit board so we can see how far you got. It will be hard to solder SMD parts if it's already populated with other through hole parts.

 

Regards

post #3 of 10
Thread Starter 

Oh poo yeah forgot I got a little carried away!

 

The non soldered chip is in an are with some of the most space though, not that that makes it ideal.

 

Picture is here, apologies about the quality:

 

Photobucket

post #4 of 10

You managed to solder U5 (DAC) in so I don't see why you have trouble to solder U4.

You made your life a bit harder by putting the beads and capacitors already in around the U4 area.

Aren't you missing a pin on the left 3 + 5 header? Will this be mated with a Gamma1?

 

Regards

post #5 of 10
Thread Starter 

I'm not sure I've tried multiple times and I just can't seem to get it right, I'm not confident in the quality of the soldering on U5 either to be honest.

 

Nah all 8 pins are there the photo just makes one look like it's missing, and yes it will be

post #6 of 10
Thread Starter 
No one?
post #7 of 10

I don't see enough flux 

What method are you using to solder those down?  If you're not already doing so, a liberal amount of flux on the pads + some solder on your tip should make soldering those chips pretty easy.

post #8 of 10
Thread Starter 

I'll give it another go tomorrow, if that comes out badly again then I'll definately need help!

post #9 of 10

If there is too much solder on the pins, add some liquid flux and use desoldering braid, heat for a couple of seconds to remove the excess solder, leaving just enough, then test with your MM.

post #10 of 10
Thread Starter 

I've attempted it to the best of my abilities now, need to test the gamma 1 and 2 now. In all honesty I'm well out of my depth with this, shall reread it a few more times.

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