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Giving CC 1.0 in v14 a proper GND and 3v3
Giving CC 1.0 in v14 a proper GND and 3v3 –
The crystal site shows a wiring diagram with a GND and 3v3 point (shown as inset #3 in the diagram) however on some of the wiring snapshots I can see that people (norcalmods in the picture) have installed with a solder bridge on both sides (i.e. two GND points) and a thick wire off to the side to presumeably a 3v3 point.
Please could someone post a pic with these points for a v14 board. Just the two points for the solder bridge and the 3v3 off to the side.
I know the points you mean, if you look at http://www.norcalmods.com/gallery/di...album=20&pos=0 you can see the location quite clearly, the chip has just been tacked to the lower two large copper ground pads. It secures the chip to the board nicely, you'll need probably around a 20watt iron to do it, as the amount of solder used will be hard to keep fluid with a 15 watt or less iron. I'd recommend sticking the chip down with some double side tape and adjusting the position to fit nicely under the shielding that goes over the back of the board. Once you find a nice position, you can mark the location with a dot from a marker on the board at opposite corners of the chips location and then remove the double-side tape (the clearance under the sheilding is a tad too low for double side to remain there in my opinion.).
When I did mine I did insulate the back of the chip with some pvc tape just to be safe.
Once you have the chip positioned, melt a little solder on the ground pads of the chip and then slowly build up solder on the ground points on the board, once high enough it should be fairly easy to tease across to the chips ground pads.
I found myself that the two prongs that come down from the sheilding to meet the upper ground pads still got in the way. Rather than preventing them from meeting the upper two ground pads, I instead moved the chip a little lower and used two creatively bent pins from an old floppy drive connector block to bridge the increased gap.
Take the 3v3 point from the same spot as shown on the v14 install manual on the Crystal Chips website.