30 Mar
2000
30 Mar
'00
9:45 a.m.
Hi Tony,
There's a 26 pin header plug on the hi-res
card....
....colour output option consists of 3 resistor networks and
transistor buffers....
Sort of like D/A converters made from an R/2R resistor ladder and a buffer
stage?
Physically, this option is a little PCB on a bracket
which carries
the 4 BNC sockets....
....BNCs going through one of the large cutouts in that panel....
Ah, so that's what the cutout was for.
I'd miss it too if I ever bought any new
equipment....
Yes, even Tandy used to supply schematics with all of their equipment in
those days. I still have my first cassette recorder (a CTR-40) and my "air
band" radio, both of which came from Tandy and both of which came with
schematics - as did both the multimeters I bought from them for that matter.
I don't know if it's cost cutting or a philosophy of "it's cheaper to
replace it than fix it", but it's annoying the lengths you have to go to
nowadays to get schematics and/or service manuals. :-(
TTFN - Pete.
--
Hardware & Software Engineer. Sound Engineer.
Collector of Arcade Machines, Games Consoles & Obsolete Computers (esp DEC)
peter.pachla(a)wintermute.org.uk | www.wintermute.org.uk
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