Hickok 6000A - Transistors (NPN or PNP)

TEST
and
adjust
the
SHUNT
control
until
the
needle
on
the
meter
reads
in
the
GOOD
sector
at 2000
on the
0-3000
micromho
scale.
Wait
until
the
needle
comes
to a stop.
Hold
everything
constant,
reduce
FILAMENT
voltage
selector
one
step
(see
table
2-2).
If
the
needle
remains
in
the
GOOD
sector
of
the
scale,
the
vacuum
tube
has
a long
life
expectancy
and
will
perform
satisfactorily.
NORMAL REDUCE FIL
FIL VOLTAGE VOLTAGE TO
1.4 Tel
20 1.4
25 250
20) 2D
5.0 4. 8
63 5S0
TO 63
10.0 TE
P226 ORO
Ө 1256
20.0 О
2090 20. 0
9070 25,0
50.0 35. 0
MAT TOU c A D SE d
Table 2-2. Filament Voltage Chart
h. TRANSISTORS (NPN or PNP)
Transistors
can
be
tested
for
leakage
currents
on
the
Model
6000A.
To
test
a
transistor
for
leakage,
proceed
as
follows:
dect
is bcn
(TRANSISTOR
HOUSING)
Figure
2-1.
Transistor
Lead
Identification
(1)
Rotate
POWER
LINE
ADJUST
until
the
needle
on
the
test
meter
is
directly
over
the
area
marked
LINE
TEST.
(2)
Rotate
FUNCTION
switch
to
position
"H".
Meter
needle
will
drop
back
to
zero.
(3)
Set
the
SHUNT
control
to
100.
ee