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Re: [N8VEM-S100:702] Re: S-100 VDP prototype board PCBs are here

To: n8vem-s100@googlegroups.com
Subject: Re: [N8VEM-S100:702] Re: S-100 VDP prototype board PCBs are here
From: John Coffman <john...@gmail.com>
Date: Thu, 09 Feb 2012 09:00:22 -0800
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In-reply-to: <0ef3e0d9-857e-489c-b0c6-e94cc7c8bf3b@n8g2000pbc.googlegroups.com>
References: <000a01ccc68a$e9897cf0$bc9c76d0$@YAHOO.COM> <002a01cce5bf$3c646b30$b52d4190$@comcast.net> <fa6c8fee-5072-4c6e-bd36-a253bccd6325@n7g2000pbd.googlegroups.com> <0d8a7c51-bd2f-44a9-b4d8-5a446fd73046@sk8g2000pbc.googlegroups.com> <003701cce6bb$50b53ef0$f21fbcd0$@comcast.net> <5862B490-523A-400D-989C-F6C31400CD5A@gmail.com> <001501cce6d0$f8d00470$ea700d50$@comcast.net> <0ef3e0d9-857e-489c-b0c6-e94cc7c8bf3b@n8g2000pbc.googlegroups.com>
Reply-to: John Coffman <john...@gmail.com>
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This is the revised ECB uPD7220 board, cut and assembled with standoffs.

There is no particular problem mounting the part (1.2v Zener). Thehardest problem was finding it.


--John






On 02/09/2012 04:48 AM, lynchaj wrote:

NS LM385BZ-1.2 is a part number but the package seems to be a
mismatch.

Thanks!

Andrew Lynch

PS, we could ask John Coffman if he recalls what we did on the uPD7220
board.

Attachment: IMG_1596.JPG
Description: JPEG image

Attachment: IMG_1597.JPG
Description: JPEG image

References:
- S-100 VDP prototype board PCBs are here
  - From: "Andrew Lynch" <LYN...@YAHOO.COM>
- RE: [N8VEM-S100:634] S-100 VDP prototype board PCBs are here
  - From: "Neil Breeden" <nbre...@comcast.net>
- Re: S-100 VDP prototype board PCBs are here
  - From: Elsid <le...@swiftdsl.com.au>
- Re: S-100 VDP prototype board PCBs are here
  - From: Elsid <le...@swiftdsl.com.au>
- RE: [N8VEM-S100:698] Re: S-100 VDP prototype board PCBs are here
  - From: "Neil Breeden" <nbre...@comcast.net>
- Re: [N8VEM-S100:699] Re: S-100 VDP prototype board PCBs are here
  - From: Max Scans <mjs...@gmail.com>
- RE: [N8VEM-S100:700] Re: S-100 VDP prototype board PCBs are here
  - From: "Neil Breeden" <nbre...@comcast.net>
- Re: S-100 VDP prototype board PCBs are here
  - From: lynchaj <lyn...@yahoo.com>

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