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 C2, TM 11-6625-623-45
Step
Control setting
Test
equipment
No.
Equipment under test
Performance
standard
Test
procedure
14
Set the differen-
Differential voltmeter
a. FUNCTION SELEC-
Apply a dc voltage of ap-
TOR switch: 10KC
tial voltmeter
should read 19.930
proximately 20 volts be-
to read 20
CONTROL BIAS
volts dc.
tween J4-KC STAB jack
volts dc.
(+20V).
J10 and ground. Vary the
b. Ac power switch:
dc voltage for a null in-
ON.
dication on the FUNC-
TION METER. Measure
the applied dc voltage
with the differential
voltmeter.
15
Set the differen-
Differential voltmeter
a. FUNCTION SELEC-
Apply a dc voltage of ap-
tial voltmeter
should read 18.000
TOR switch: +18V.
proximately 18 volts be-
tween J2-FREQ DI-
to read 18
volts dc 0.036.
b. Ac power switch:
volts.
VIDER Jack J11 and
ON.
ground. Vary the voltage
for an exact FUNC-
TION METER null
with the X10 METER
SENSITIVITY switch
depressed. Measure the
applied dc voltage with
the differential volt-
meter.
Step No.
Indication
46. Test Data Summary
100 ohms 20.
2
Maintenance personnel may find it conven-
10,000 ohms 1,500.
3
ient to arrange the checklists in a manner sim-
470,000
70,000
ohms.
4
0 ohm at clockwise stop.
5
i l a r to that below. T h e data included in the
50 ohms 10 at counterclockwise stop.
checklists may then be used as a check against
6
164 ohms 25.
the test results the next time the tests are per-
7
82 ohms 12.
formed.
8
0 ohm.
9
Capacitor C2 charges until resistance to
ground is infinite.
VOLTAGE AND RESISTANCE MEASUREMENTS
10
103 volts dc 5.
Note: The numbers in the Step No. column below
11
75 volts dc 10.
are references to the Step No. column in paragraph
12
90 volts dc 5.
13
10.000 volts dc 0.001.
Step No.
Indication
600 ohms 120 at clockwise stop.
14
19.930 volts dc.
1
100 ohms 20 at counterclockwise stop.
15
18.000 volts dc 0.036.
13
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