Figure 2-6. Signal Generator AN/URM-127, connected to maintenance kit.

TM 11-6625-1635-12

Figure 2-6. Signal Generator AN/URM-127, connected to maintenance kit.

AN/URM-127

(6) Set the AN/URM-127 to a frequency

the

(1) Reconnect

of 1,000 Hz.

through a 50-f blocking capacitor to the test

(7) Set the test panel PTT switch to ON

p a n e l MIKE INPUT jacks.

and increase the AN/URM-127 output level. A

( 2 ) Connect the TS-352B/U to the test

modulation indication should be observed on the

panel DETECTOR METER jacks. Set the TS-

AN/ARC-134.

352B/U to the 10-volt range on the OUTPUT

(8) Repeat the procedure given in (5), (6),

scale.

( 3 ) Disconnect antenna connector J 1 on

and (7) above with the AN/URM-127 con-

the maintenance kit from the A N / U R M - 4 3 A ,

nected first to the test panel D B M I N P U T

jacks and then to the data link input jacks.

and connect J1 to the test panel DETECTOR

i. Detector Circuit Checks. Start the equip-

I N P U T receptacle.

m e n t a s i n s t r u c t e d in p a r a g r a p h 2 - 5 a n d

(4) Connect the AN/URM-43A (fig. 2-7)

proceed as follows:

to the test panel SCOPE OUTPUT receptacle.

2-11