Something to look at. Some vendors of 2n3906/04 and other small single transistors have different pin orientation for their parts in TO92 case. C and E are swaped. Look at the vendors data sheet for your part, not a generic one.
~~ _/) ~~~~ _/) ~~~~ _/) ~~~~ _/) ~~ Sent from my Phone > On Jun 16, 2014, at 12:16 PM, Don Caprio <[email protected]> wrote: > > Rich, > > I don't know if version 2 of the backplane suffers from the same error. > > I'm not even sure what version of the board I have. However I'm pretty > sure mine is wrong. A peek with a magnifine glass shows the square > pad on Q1 is opposite of Q2. Looks like I have to swap the orientation > of Q1. I have not tested the backplane yet. > > > >> On Sun, Jun 15, 2014 at 4:49 PM, Richard Cini <[email protected]> wrote: >> Don — >> >> I have Version 02 of the 8-slot backplane (uncompleted) and Q1 has the >> same footprint error. Is the fix to put the transistor in opposite to the >> silkscreen? >> >> Rich >> >> -- >> Rich Cini >> Collector of Classic Computers >> Build Master and lead engineer, Altair32 Emulator >> http://www.classiccmp.org/cini >> http://www.classiccmp.org/altair32 >> >> From: Don Caprio <[email protected]> >> Reply-To: S100-Post <[email protected]> >> Date: Friday, June 13, 2014 at 3:16 PM >> To: S100-Post <[email protected]> >> Subject: Re: [N8VEM-S100:4159] Re: S-100 Bus Extender and S-100 Bus >> Terminator Boards Have Arrived >> >> I was looking at the S-100 18 slot backplane and saw notes on the incorrect >> footprint on transistor Q1. >> >> I have the 8 slot version and have no such notes on Q1. When I pull up the >> docs from >> the wiki I see that Q1 suffers from the same error. >> >> Can those of you that have the 8 slot board running confirm this board >> suffers from the same error? >> >> Are any 18 slots boards available? >> >> Thank you. >> >> <8slotQ1Q2.png> >> >>> On 06/ 6/14 06:49 PM, Edward Snider wrote: >>> Do you have me down for either of these Todd? >>> >>> I don't remember. >>> >>> Ed >>> >>> >>>> On Friday, June 6, 2014 9:12:46 AM UTC-5, Todd Goodman wrote: >>>> The S-100 Bus Extender and S-100 Bus Terminator boards have arrived. >>>> >>>> http://s100computers.com/My%20System%20Pages/Extender%20Board/Extender%20Board.htm >>>> http://s100computers.com/My%20System%20Pages/Terminator%20Board/Bus%20Terminator%20Board.htm >>>> >>>> Please let me know if you'd like any. The usual price of $20 each plus >>>> $5.95 shipping in the US. If you're outside the US then I'll >>>> let you know the actual postage once I have the package set up and weighed. >>>> >>>> If you ordered other boards and want them to ship together that's no >>>> problem either. >>>> >>>> Thank you! >>>> >>>> Todd >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "N8VEM-S100" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >> >> -- >> Don Caprio >> [email protected] >> -- >> You received this message because you are subscribed to the Google Groups >> "N8VEM-S100" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> -- >> You received this message because you are subscribed to the Google Groups >> "N8VEM-S100" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. > > > > -- > ------------------------------- > Don Caprio [email protected] > http://www.uxpro.com > (925) 240-UNIX > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
