Hitachi V-422 - 1. SPECIFICATIONS; CRT; Z-AXIS INPUT; VERTICAL DEFLECTION SYSTEMS

MODEL V-21
1
/V-21
2/V-222/V-422
OSCILLOSCOPE
Service
Manual
1.
SPECIFICATIONS
t
]
:
Specifications
for
V-422
CRT
j
Type
Large
6"
screen
with
internal
graticule
Approximate
2kV
[
1 2kV
]
acceleration
potential
Screen
type
P31
phosphor
standard
Useful
screen
area
8x10
div
Graticule
Internal
graticule
with
centimeter
divisions
and
2 mm
subdivisions
along
the
centeral
axis
,
10
%
and
90
%
lines
are
indicated.
Illumination
continuously
variable.
(For
:
V-222,
V-422)
F
ocussing
Possible
(with
automatic
focus
correction
circuit
:
V-222
and V-422)
Trace
rotation
Provided
Scale
illumination
Variable
(For
:
V-222,
V-422)
Intensity
control
Provided
jZ-AXIS
INPUT
(INTENSITY
MODULATION)
"
DC-coupled,
positive-going
signal
decreases
intensity:
5
Vp-p
signal
causes
noticeable
modulation
at
normal
intensity:
DC
to
2 MHz.
Input
impedance
47
kQ
(typ.)
[33
kQ
(typ.)
]
Maximum
input voltage
30
V
(DC
+
peak
AC)
Coupling
DC
j
VERTICAL
DEFLECTION
SYSTEMS
(2 Identical
Channels)
Bandwidth
and
rise
time
DC
to
at
least
20
MHz
[
40 MHz]
and
rise
time
1
7
. 5
ns
[
8
. 8
ns
]
or
less
.
1