13. Test Leads
Tube test socket T u b e
type
tested
Two test leads are provided to make con-
nections from the grid (G) and the plate (P)
Four-pin standard tubes.
4 pin. . . . . . . . . . .
panel jacks to the top caps of tubes under test.
Each test lead is terminated on one end in a
Five-pin standard tubes.
5 pin. . . . . . . . . . .
3/32-inch diameter tip plug (5/64-inch on TV-
Six-pin standard tubes.
6 pin . . . . . . . . . . . . . . . .
7A/U) and on the other end in a battery-type
Seven-pin standard tubes and
7 pin. . . . . . . . . . . . . .
clip with an insulating cover. The test leads are
panel lamps.
stored inside the cover of the test set case.
Octal (8-pin) tubes.
OCTAL. . . . . . . . . . . . .
LOKTAL . . . . . . . . . . . .
Loktal base (8-pin) tubes.
SUB MIN. (2) . . . . . .
Round (8-pin) or flat-type (7-
After the controls on the test set have been
pin) subminiature tubes.
set as directed in the tube test data book (par.
NOVAL . . . . . . . . . . . . .
Nine-pin miniature tubes.
tube test socket listed below. Socket-saver
7 PIN MIN . . . . . . . . . .
Seven-pin miniature tubes.
adapters (par. 16d) are mounted in the 7- and
ACORN . . . . . . . . . . . .
Acorn type tubes.
9-pin miniature sockets and in the octal socket
on
the
TV-7D/U
a. Tube Type. Type
numbers
of
electron
15. Tube Test Data
t u b e s which the test set is designed to test are
TB 11-5083-1 (test data book) is mounted
listed numerically and alphabetically in this
on the inside of the cover of the test set. The
column. Tubes that have type letters instead
test data book contains operating instructions
of numbers, such as XXB, are listed at the end
for the test set, information necessary to set
of the table.
the controls when testing various tube types,
b. Fil. C o r r e c t
filament
or
heater
voltages
a
conversion
table
for
VT
tube
designations,
for
the
listed
tube
types
are
shown
in
this
and a data table for CV type tubes. The control
column.
settings for the various tube types are tabu-
lated in nine columns. Read the headings from
c. Selectors. The correct setting for the two
FILAMENT
selectors
and
the
GRID,
PLATE,
left to right as follows:
