TM 11-6625-847-45
5-13. Synthesizer Test Tray A1A3, Operational Performance Test
Step
Control setting and operation of
No.
Operation of test procedure
equipment under test
Performance standard
1
Make sure that +27-volt
On the test set, set switches and
dc primary power is
controls to the settings listed
supplied to the POWER
connector on the test set.
2
Remove synthesizer test tray
A1A3 from case, and install
it in the test set.
3
On synthesizer test tray A1A3,
set switches and controls to the
setting listed in paragraph 5-12.
4
On the test set, set the POWER
Test met POWER indicator il-
switch to ON; set the SERV
luminated.
SEL switch to STBY.
5
On synthesizer test tray A1A3,
Synthesizer test tray A1A3 POWER
set the POWER switch to ON.
indicator is illuminated
6
On the test set, rotate the MC
On synthesizer test tray A1A3,
FREQ 10MC and 1MC switches
MC SYNTH module coupler
from 2 mc to 29 mc in 1-mc
is adjusted to a now setting each
steps. Check module coupler
time the MC FREQ 10MC and 1
in MC SYNTH section on
switches are adjusted.
synthesizer test tray A3.
7
On synthesizer test tray A1A3,
On synthesizer test tray A1A3,
set the POWER switch to OFF.
POWER indicator is extin-
On the test et, set the SERV
guished.
SEL itch to OFF.
8
Connect the test equip-
ment as indicated in
operating power to
the test equipment.
Secure the following
RT-662/GRC modules,
and install then in their
appropriate connectors
on synthesizer test
tray A1A3 (check
coupler alignments):
a. Module 1A2, 100-kc
synthesizer.
standard.
c. Module 1A4, 10- and
1-kc synthesizer.
divider.
e. Module 1A8, transistor.
f. Module 1A9, mc syn-
thesizer.
9
On the test set, set the SERV
On synthesizer test tray A1A3,
SEL switch to STBY. On syn-
POWER indicator is illuminated.
thesizer test tray A1A3, set
the POWER switch to ON.
10
If operating from a cold start,
allow 15 minutes warmup time
for equipment stability. If
equipment has been warmed
up within the last hour, 5 minutes
warmup time in sufficient.
5-8
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