Introduction; Test Equipment Required - Tektronix 465B Instruction Manual

Section 4
—
465B
Service
CALIBRATION
PROCEDURE
Introduction
This
section of the
manual
is
in
two
parts;
Performance
Check and Adjustment
Procedure.
Each subsection has a
different
purpose and important information regarding
their
use
is
Included
at
the
beginning
of
both
subsections.
Test
Equipment
Required
The
test
equipment
listed in
Table
4-1, or
an
equivalent
piece
of test
equipment,
is
required
if
the
complete
Performance
Check
and Adjustment Procedure
is
to
be
accomplished on
the oscilloscope.
A
partial
list
of test
equipment
is
provided
in
the
Performance Check
subsec-
tion to
list
the required
test
equipment
type
to
complete
the
Performance
Check
only.
In
Table
4-1,
the specifications given
for
the
equipment
are the
minimum
necessary
to provide accurate
results.
Therefore, the
equipment used must meet
or
exceed the
listed specifications.
Detailed operating
instructions for
the
test
equipment
are not given
in
this
procedure. Refer
to
the appropriate instruction
manual
if
more
test
equipment
operating information
is
required.
Table 4-1
TEST EQUIPMENT REQUIRED
Description
Minimum
Specifications
Usage
Examples
1.
Variable
Autotransformer
Capable
of
supplying
1.2
A
over a range
of
104
to
127
V.
Power
supply
regulation
check.
General Radio
W8MT3VM
Variac
Autotransformer.
2.
Digital
Voltmeter
Range, 0
to
140
V;
dc
voltage accuracy, within
0.15%; display 4 1/2
digits.
Low-Voltage Power Supply
checks and
adjustments.
CRT
Grid Bias adjustment.
Vertical
and
Horizontal Centering
adjustments. Calibrator
Output
Voltage adjustment.
a.
TEKTRONIX
DM
501
Digi-
tal
Multimeter'.
b.
Any
digital
voltmeter
that
meets
minimum
specifi-
cations.
3.
DC
Volt-
meter
Range,
0
to
2500
V; cali-
brated to
1%
accuracy
at
-2450
V.
High-Voltage
Power Supply
adjustment.
a.
Triplett
Model 630-NA.
b.
Simpson Model
262.
4. rest
Oscillo-
scope
with
10X
probe and IX
probe. (IX
probe
is
optional
accessory)
Bandwidth, dc
to
100
MHz;
minimum
deflection
factor,
5 mV/division; accuracy,
within 3%; dual
trace.
Scale-factor switching.
Power Supply
Ripple Check.
CRT
Z-Axis Compensation;
Vertical
gain adjustment.
A
Trigger Holdoff check.
A
and
B +Gale
output signals
check.
a.
TEKTRONIX
465B
Oscillo-
scope
with 2 (included)
10X
probes.
b.
TEKTRONIX
475
Oscillo-
scope with
2
(included)
10X
probes.
C.
TEKTRONIX
P6101 IX
probe 010-6101-03.
REV A JUN
1979
4-1