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Post by MadModder on Mar 11, 2005 9:50:04 GMT -5
Just printed out the NTSC-version schematic, and studied it. One may wonder, why go through the trouble to implement so many pins and signals, and still don't route them all out to pads somewhere on the PCB? It's not that much extra work. The PCB might get a tiny bit bigger, but it seems to be a few millimeters of free space around it. After all, it's a bit risky to grind the epoxy away... I'm hoping for pads routed to every "missing" pin on a future version of the C64DTV, especially a PAL version. I know I would by more than one
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Post by Jim Brain on Mar 12, 2005 20:06:37 GMT -5
Wonder no more.
Jeri's original idea was to bring all the pads out. They got removed during the cost-reduction step.
You have to remember that adding the extra pads and board size offers no benefit to the company manufacturing the item. hobbyists are not the target audience, and any penny saved on this item is to their benefit.
Jim
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Post by MadModder on Mar 13, 2005 12:36:12 GMT -5
Well... ofcourse. It's all about the money.
But then they should save som money on epoxy, and not "blob" the thing at all. Leave it naked! ;D
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Post by CSCBlows on Mar 26, 2005 16:43:40 GMT -5
The wires from the chip are thinner than a human hair and the pads they're bonded too are 70micron square(very very very small)
irej
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Post by MadModder on Mar 26, 2005 18:02:18 GMT -5
Yes. I found that out... But, beneath that epoxy, every pin is connected to a trace on the PCB, right? Why not let those dead traces be a few mm longer, to have them peek outside the blob? That does not have to cost anything at all...
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