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Page Title:
Table 5-2. Test Points (Sheet 2 of 4) |
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|  TO 31R2-2GRC171-2
TM 11-5820-815-14
NAVELEX 0967-LP-544-5010
Table 5-2. Test Points (Sheet 2 of 4)
REFERENCE
MODULE TO WHICH
DESIGNATION
TEST POINT
FUNCTION
TEST POINT APPLIES
TEST meter
RE FLD PWR
Provides indication of antenna
A10A1M1
reflected power. Power will be
0 (1:1 vswr) to 5 (3:1 vswr)
watts.
TEST meter
% MOD
Provides indication of trans-
Rf filter A7, power amplifier A8,
A1OA1M1
mitter rf carrier modulation.
and audio A4
Percent of modulation will be
0 to 95%.
TEST meter
TEMP
Provides indication of power
Power amplifier A8
A10A1M1
amplifier over temperature.
Over temperature indicated
when meter reads in OVER
TEMP range.
TEST meter
+26V
Provides indication of dc-dc
Dc-dc converter A5
A10A1M1
converter output. Voltage will
be +26 + 1.5 V dc.
TEST meter
+22V
Provides indication of +22-volt
Voltage regulator A6 and dc-dc
A10A1M1
regulated supply output. Volt-
converter A5
age will be +22 + 1.5 V de.
TEST meter
+12V
Provides indication of +12-volt
Voltage regulator A6 and dc-dc
A10A1M1
regulated supply output. Volt-
converter A5
age will be +12 + 1.0 V de.
TEST meter
+5V
Provides indication of +5.1-volt
Voltage regulator A6 and dc-dc
A10A1M1
regulated supply output. Volt-
converter A5
age will be +5.1 + 0.5 V dc.
TEST meter
-12V
Provides indication of -12-volt
Voltage regulator A6 and dc-dc
A10A1M1
regulated supply output. Volt-
converter A5
age will be -12 + 1.0 V dc.
A10A1TP1
SERVO +
Provides sample of servo motor
D/a servo amplifier A1
(red lead) voltage. Voltage will
be 0 to +6.5 V dc normal and 10
V de relative to SERVO - while
tuning to a higher frequency.
A10A1TP2
SERVO -
Provides sample of servo motor
D/a servo amplifier A1
(black lead) voltage. 0 to +6.5
V dc normal and 10 V dc rela-
tive to SERVO + while tuning
to a lower frequency.
A10A1TP3
TUNE VOLT
Provides sample of servo position
D/a servo amplifier A1 and rf
feedback voltage. Voltage will be
filter A7
-0.54 to -0.60 V dc (RT-980/
GRC-171 frequency of 300.000
MHz).
5-4
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