PS Magazine - TB 43-PS-630

PS, The Preventative Maintenance Monthly

ISSUE 630

MAY 2005
PS Magazine - TB 43-PS-630 - Page 24 of 33
A
bandon the idea of getting the AN/GRC-103 radio set receiver and case with
Say goodbye to the thought that you can order the transmitter and case with
All four items must now be ordered separately.
PS 630
MAY 05
45
AN/GRC-103 Radio Set…
h
ooking up cables to the back of
the AN/GRC-103 radio set’s T-983
transmitter is a lot like playing blind
-man’s buff. You’re blindfolded and
you have to feel your way to identi-
fy the right connectors.
The biggest hookup problems are
connecting the order wire (OW) and
the power cable.
Get either of these wrong and
you could fry a connector or dam-
age the amplifier panel.
Often you make these connec-
tions while balancing the radio with
your body, steadying it with one
hand, and reaching back to make a
blind connection with the other.
The secret to a good connection
is to identify the connectors with
your hand first. Reach behind the
radio and find the triangle of recep-
tacles. The one on the lower left
(as your hand feels it) is the OW
receptacle.
Below this triangle of receptacles
is a fourth receptacle all by itself.
That’s the 115 VAC outlet where
your power cable goes.
Now grab the correct cable.
They’re clearly labeled with a yel-
low band. Take the correct cable to
the correct receptacle.
By identifying these receptacles
with your hand first, it will be like
taking your “blindfold” off.
PS 630
MAY 05
44
AN/GRC-103…
Questions about parts for the AN/GRC-103? Email Frank Lentini at:
Frank.Lentini@mail1.monmouth.army.mil
Get the R-1329C receiver with
Get the CY-4638 case for the receiver
Order the T-983B transmitter
Order the CY-4367A case for the trans-
mitter with NSN 5895-01-081-5398.
Feel for the Connection
The order
wire…
…and the
115 VAC
connectors
Balance the
set and reach
around
Here’s where the
power cable goes
Look for
the yellow
labels
With the 103 facing you, the order
wire connection is on your left
630.44-45(C)
4/2/05
11:01 AM
Page 1
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