Maintenance— 465B Service
Before using
any test equipment to make
measurements
on static-sensitive components or
assemblies, be certain
that any voltage or current
supplied by the test equipment
does not exceed the
limits of the component to be tested.
Table 5 2
SUGGESTED TROUBLESHOOTING EQUIPMENT
Equipment
Minimum
Specification Usage Examples
1. Semiconductor Tester
Dynamic type tester. Meas-
ure reverse breakdown volt-
ages up to at least 400 V.
Test Semiconductors
a
TEKTRONIX
576 Curve
Tracer
P TEKTRONIX
577
(D1
or
D2) Curve Tracer
with
177 Test Fixture
2. Test Oscilloscope with
10X voltage
probe
Frequency response,
dc to
at least 100 MHz; deflection
factor.
5 mV to 5 V/div; input
impedance,
1 MQ,
20
pf;
sweep
rate, 0.5
S
to
0
02 ps/
div.
Check operating wave-
forms.
TEKTRONIX
4R5R Oscillo-
scope with included
10X
probe
3. Multimeter
Digital multimeter Volt-
meter
input
impedance,
10 MD range
0
to 150 volts;
voltage
accuracy, within
0.15%, display 4 1/2 digits.
Ohmmeter,
0
to
20
MD.
Check
voltages
and
general troubleshooting
a
TEKTRONIX DM 501
Digital Multimeter'
b
TEKTRONIX
465B Oscillo-
scope with DM44 Option
4 Variable
Autotransformer
Variable
from 0 to 140 V,
1.2
A Equipped
with
3-wire
power cord, plug, and
receptacle.
Vary input line voltage
when troubleshooting the
power supply
General Radio W8MT3VM
or
W10MT3W Metered
Variac
Autotransformer
’Requires
a TM
500-Series
power module.
REV A MAR I960
5-23
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