Yeah, thanks. I can take solace in the memory that I think the VIC20 had initial yield rates even lower than mine. :)
On Oct 22, 2017 6:00 PM, "Ken Pettit" <petti...@gmail.com> wrote: > HI Josh, > > Welcome to the world of manufacturing. I have about 45 fully assembled, > non-functional NADSBox PCBs that can never be sold. For the first run, the > Chinese manufacturer glued the SD card to the PCB and the glue squeezed up > into the connector, obstructing the SD card from full insertion. They > reworked as many as they could, but many were simply trash. Plus I have a > whole run of 75 bare PCBs still in the vaccum shrink packaging because I > submitted the wrong (old) REV of Gerbers for the final run. Yield fall-out > and improvement is something that huants all manufacturers in this industry. > > Ken > > On 10/22/17 2:01 PM, Josh Malone wrote: > >> Built my first functional REX on the castellated PCB. Programs and tests >> okay. >> >> But, I've also built me second non-functional REX, too. So far I'm >> 3-out-of-5 for successful builds. Not sure I'm really up to this. :( >> >> Maybe I can figure out what's wrong w/ this board. Impact says it >> finds lots of unknown devices on the chain and barfs. Reflowed the >> CPLD pins but it didn't help. Bugger. >> >> At least I have one functional REX for my 102, so, yay! >> >> -Josh >> >> On Fri, Oct 20, 2017 at 10:05 PM, Brian White <bw.al...@gmail.com> wrote: >> >>> That would be awesome of course! >>> >>> On Oct 20, 2017 12:35 PM, "Stephen Adolph" <twospru...@gmail.com> wrote: >>> >>>> good to hear the castellated board is working. >>>> I revised the REX PCB design to (1) remove unneeded parts (2) use ground >>>> and power planes and (3) provide a pad to bridge 3.3V onto PORT_EN with >>>> a >>>> solder bridge. I don't myself plan to test the board but I can post it >>>> for >>>> others to test. >>>> Steve >>>> >>>> On Fri, Oct 20, 2017 at 12:23 PM, Josh Malone <josh.mal...@gmail.com> >>>> wrote: >>>> >>>>> My parts should arrive tomorrow. How to take a stab at try two soon. >>>>> thanks to everyone for all the help. >>>>> >>>>> On Oct 20, 2017 11:38 AM, "Brian Brindle" <bbrin...@gmail.com> wrote: >>>>> >>>>>> Reflow of the board seemed to fix it. Guess I need to play around with >>>>>> my methods a little. Working as expected right now. >>>>>> >>>>>> On Oct 20, 2017 8:31 AM, "Brian White" <bw.al...@gmail.com> wrote: >>>>>> >>>>>>> Yeah that looks good. >>>>>>> >>>>>>> On Oct 20, 2017 6:32 AM, "Brian Brindle" <bbrin...@gmail.com> wrote: >>>>>>> >>>>>>>> I'm using some AM29F800BB-90EF I had. Waiting on the AM29F800BB-7EK >>>>>>>> from China still. Should be here today. >>>>>>>> >>>>>>>> >>>>>>>> On Oct 19, 2017 8:47 PM, "Brian White" <bw.al...@gmail.com> wrote: >>>>>>>> >>>>>>>>> What exact flash part number do you have? >>>>>>>>> >>>>>>>>> >>>>>>>>> On Thu, Oct 19, 2017 at 1:22 PM, Brian Brindle <bbrin...@gmail.com >>>>>>>>> > >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> I have one put together that programmed up OK but am having issues >>>>>>>>>> getting the REX software on it. It erases all the blocks just >>>>>>>>>> fine but hangs >>>>>>>>>> when re-loading to block 0. Probably something up with the flash.. >>>>>>>>>> >>>>>>>>>> I'll report back when I have more info. >>>>>>>>>> >>>>>>>>>> Brian >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Thu, Oct 19, 2017 at 7:25 AM, Stephen Adolph >>>>>>>>>> <twospru...@gmail.com> wrote: >>>>>>>>>> >>>>>>>>>>> Has anyone made a REX successfully with that modified PCB yet? >>>>>>>>>>> I would like to know if that artwork is good or bad. >>>>>>>>>>> >>>>>>>>>>> ..Steve >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >
