I've got a 2 meter SCR500 here and the manual. Mine is the black faced
panel. The manual says the crystal should be 3rd overtone crystal in the
50-85Mhz range. This receiver came in 30-50, 66-88, 136-151, 151.001-174,
and 406-512MHZ versions.
Joe
At 12:11 AM 2/27/2007 -0800, you wrote:
Hello Group,
I have just acquired a Spectrum SCR 500 receiver in the rack-mount
configuration with the built -in power supply. It looks in very good shape
for its age (being in the beige panel color , not the black/charcoal
newest colors). The problem I have is that I received no documentation
with it, It has a six channel crystal switch on it with one crystal
installed, 45.0333 MHz. There are no identifiers on any of the boards, or
any where else on the unit. I didn't take the boards out to see if marked
on bottoms.
I would much appreciate any info, schematics, or helpful criticism on
this. I am willing to pay for copying and mail charges, just buy outright,
or easier yet, any pdf scans to save a tree.
Thanks in advance,
Nick
WB7PEK
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