eg like the useful
Television and Video recorder viewer adjustments
http://www.dubdubdub.net.nz/tune_in.htm
that was on http://www.oh-bugger.net.nz/eric/tune_in.html


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Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/