[Heath] Looking for high(er) resolution schematic copies for SS-9000
Robert Groh
rgroh at swbell.net
Mon Jun 23 12:17:39 EDT 2014
I have two pdf copies of the schematic sets for the SS-9000 but both (while complete) are somewhat low in bit resolution which makes reading component values,
etc on them a bit of a challenge. Can anyone out there provide a set
that is a bit clearer?
The two sets I have are (file name, size in kB and file date):
SS9000_SCH.pdf 11,623 kB 3/26/2006
SS9000_schematic.pdf 8,856 kB 1/23/2013
Both are pretty much the same - the smaller one has Page 2 (the PA) distorted a bit and a bit more 'fuzzy'. Generally these pdf copies were (seemingly) scanned at too low a bit resolution and it is difficult (or darned near impossible) to make out fine details such as component values. I have experimented with scanning and it looks like 200 dpi is just about the minimum (for the SS-9000 schematics, anyways) for good clear and readable copies.
I just received a 3rd pdf set which is essentially the 2nd set but
squeezed in file size a bit (now sitting at about 3.3 MB) - still
suffers from component value readability problems).
I
do have some of the originals but I (and others) would love to have an
'enhanced' set of pdf copies (great for these older eyes!). This is
also posted on the SS9000 forum and the Yahoo Heathkit list. I keep on
hoping!
73
Bob Groh, WA2CKY
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