I have received numerous requests for a CD covering the R-4A and T-4X.
Here it is!
Hopefully people have not given up, or the requests were not all from
the same person, but ...
This was not an easy one, since it seems there were quite a few changes
in the R-4A AFTER the "last known" schematic, 1026665400, requiring a
revised schematic. This CD is for the 11 tube version of the R-4A (s/n
4054 - 6999). The early version is 'coming', but I had to start
somewhere! The T-4X was also in a state of flux, as I have found three
distinct versions of the schematic, none dated or otherwise identified.
Of course both (now three) R-4A schematics are included, plus all three
(now four) T-4X schematics.
There are 58 pages, 32 of which are in high resolution color, in the
Service Manual. Along with the Manual directory with quality scans of
the C-4, L-4B, FS-4, MN-2000, W-4 and other original manuals, there are
the usual batch of miscellaneous files with field changes,
modifications, troubleshooting tips, etc.
All the previous CDs are still available too!
--
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 2-C/2-NT, 4A, 4-B, C-Line&
TR-4/C Service Supplement CDs
<www.k4oah.com>
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