Specifications

72 ITS
-"-
< ^
49050-15 has
books for use
6^73193. Sub-
production
in-
:iesignated
as
In early
production
receivers, an EM
type
of ion
trap
magnet was employed and
was
connected
as shown
by the
dotted
lines.
R196
was omitted
in receivers employ-
ing
an
EM
tvpe
magnet.
R197 was employed
only in
receivers
with
the
247
-ohm focus
coil.
Figure
30
—
R-F Unit Wiring Diagram
20
Direction of arrows
clockwise rotation,
All voltages
measure
and with picture coni
Voltages should hold
1 17 v. a-c supply.
Coil
resistance vqIl
are not shown.
some
receivers,
caused changes in
o
codas, in
electrolytic
their lug
identificatioi