Date : Wed, 27 Feb 2008 12:22:16 +1000
From : bdevries@... (Bob Devries)
Subject: Dead BBC B
Is there a downloadable document describing fault-finding techniques for the
BBC B? Something that has lists of symptoms, and likely faults associated
with them, and/or common faults and their fixes?
--
Regards, Bob Devries, Dalby, Queensland, Australia
Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.
website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/
----- Original Message -----
From: "Bob Devries" <bdevries@... >
To: "bbc-micro@... " <bbc-micro@... >
Sent: Wednesday, February 27, 2008 11:02 AM
Subject: [BBC-Micro] Dead BBC B
>I have a dead BBC B here, which used to work.... not too long ago.
>
> It's an Issue 7, fitted with a disc interface (8271), no econet or voice
> chips.
> IC51 is ...PB04, IC %@ is ...PB05 IC88 is a DFS EPROM (2764).
> Links are: S20 North, S21 both East/west, S22 North, S25 north, S26 West,
> S31 East, S32 West, S33 West.
>
> The Beeb powers up and hums, but no BEEP. No video.
> Power supply voltages all good, Shift Lock LED is on. All dip switches
> beside the KBD are east.
>
> Any clues?
>
> --
> Regards, Bob Devries, Dalby, Queensland, Australia
>
> Isaiah 50:4 The sovereign Lord has given me
> the capacity to be his spokesman,
> so that I know how to help the weary.
>
> website: http://www.home.gil.com.au/~bdevasl
> my blog: http://bdevries.invigorated.org/
>
>
> _______________________________________________
> bbc-micro mailing list
> bbc-micro@...
> http://lists.cloud9.co.uk/mailman/listinfo/bbc-micro
>
>
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.5.516 / Virus Database: 269.21.1/1300 - Release Date:
> 26/02/2008 7:50 PM
>
>