Re: VIC 20 CR boards 250403 and 251037

From: silverdr_at_wfmh.org.pl
Date: Mon, 29 Aug 2016 10:44:32 +0200
Message-ID: <A720807D-6913-4E9C-86A2-53E0D506B0B3@wfmh.org.pl>
I can't fully confirm that now (I am not there, where those parts are) but I recall that some of the VC-20 boards of mine had indeed fly-wire(s) attached. If I recall correctly those were two-wire cables split on the end. Might be able to fully check it by the end of the week. 
-- 
Sent from mobile device. Please have understanding.

On 28 August 2016 12:32:13 CEST, Oldcomputr <oldcomputr@gmail.com> wrote:
>Hi all,
>I'm trying to compare the two cr boards, assembly numbers 251037 and
>250403. On the 250403 the traces seem a bit more "hand drawn", slightly
>more precise than the traces on the 251037. All the components are
>identical at first sight.
>
>On the back, my 251037 has two wires (a short one on the game i/o -
>control port and a longer one connecting a pin of the cartridge port to
>another place on the pcb).
>
>But since I have many 250403 but just one 251037, I don't know if those
>wires came from a repair, a patch made by the previous owner, or the
>board came like that out of the production facility.
>
>Can someone verify that?
>
>I can give you a hint so you don't have to unscrew every screw just to
>check the assembly number on the back of the motherboard. Look at U13,
>just bottom left of the cartridge port: if the traces above U13 are
>slightly curved, it should be a 250403; if they are straight, it should
>be a 251037.
>
>Please tell me if the wires are present or not, and if you find them,
>please post a picture too (or send it to my e-mail address if pictures
>aren't welcome on the list).
>
>Thanks!
>
>Giacomo
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Received on 2016-08-29 09:00:13

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