WAR
DEPARTMENT
RADIO SET
AN/PRC-5
TECHNICAL
MANUAL
WAR
DEPARTMENT
0
JUNE
1944
WAR
-
DEPARTMENT
TK11-265
TECHNICAL
MANUAL
WAR
-
DEPARTMENT
RADIO
SET
AN/PRC-5
21
JUNE
194-4-
I
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WAR
DEPARTMENT,
'Jl4
11-265,
guidance
of
[i.. G.
BY
ORDER
OFFICIAL:
J.
DISTRIOOTIOH:
A.
Major
I
OF
ULIO,
Radio
all
concerned.
300.7
THE
General,
The
Adjutant
Set
AN/PRC-5,
(11
May
1944)
SECRETARY
OF
General.
WASHINGTON
ie
published
.J
WAR:
25,
for
n:
tho
information
G.
C •
Chief
C.,
21
MARSHALL,
of
JUNE 194-4-.
and
Staff.
(For
explanation
of
symbols
see
II
FM
21-6.)
is
used
this
WARNING
HIGH
VOLTAGE
in
the
equirment.
operation
of
may
fail
result
to
observe
DEATH
ON
if
operating
CONTACT
safety
personnel
precautions.
III
TABLE
OF
CONTENTS
Paragraph
SECTION
Description.
I.
General
Table
Total
Frequency
Source
Power
Transceiver
Carrying
Headset
Key •
Antenna •••.••.......••••••••.••.•.
Vacuum
....................
of components
weights
of
input .....••................
•••••••••••••••••••••••••••
••••••••••••••••••••••••••••••
tubes
•••••••••••••••••••••
coverage
power
••••••••••••••••••••••
case
•••••••••••••••••••••
.•••••.•••••••••••••••
•••••••••••••••
••••••••••••••••
•••••••.••••••••
· • · • · · ·
• • •
1
2
3
4
5
6
•
7
8
9
10
11
12
1
2
3
3
4
4
5
10
11
11
11
11
II.
Adapters •••••••••.••••••••••••••••
Crystals
Transmitter
Operating
Installation
Initial
Installation
Power
Transmitter
Receiver
Transmitter
••••.•••••••••••••••••••••
spares
and
procedure
line
connection
crystal
operation
operation
plug-in
operation.
of
coils
••••••••••••••••••
•••••••••••••••••
antenna
and
••••••••••••••••
IV
•••••••••
•••••••••••
•••••••••••••
coil
•••.••••••••••
units
13
14-
15
16
17
18
19
20
21
22
12
12
12
13
14
15
16
16
17
18
Paragraph
Page
SECTION
II.
III.
Installation
Operating
Functioning
General.
Receiver
Radio-frequency
Converter.
High-frequency
I-f
Diode
A-f
Beat-frequency
Power
. . . • . . . . . . • . . . . • . . . . . . . . .
functioning.............
amplifier.
detector...................
amplifier
supply.....................
and
operation
precautions
of
parts.
amplifier........
• • • • • • • • • • • • . • • • • • • • • • •
oscillator
• • • • • . • • • • • • • • • • • • •
stages.............
oscillator........
(contd}.
•••.••••••••
circuit
23
24-
25
26
20
23
23
23
27 24
28
29
30
31
32
33
25
26
27
28
28
29
IV.
Transmitter
Crystal
Power
Antenna
Maintenance.
General
Operational
Replacement of
indicator
Receiver
Procedure
Voltage
oscillator...............
amplifier..................
circuit..................
••••••••••••••••••••••••••
measurements.............
functioning..........
inspection...........
tubes,
lamps................
alignment...............
in
locating
fuses,
trouble....
and
34
35
31
31
36 32
37
38
39
40
41
42
43
34
36
36
37
38
43
47
v
Paragraph
Page
SECTION
l
2
3
4
No.
Radio
Radio
Radio
Radio
Fig.
IV.
v.
Maintenance
Point-to-point
Supplementary
Resistor
Maintenance
Radio
Set
AN/PRC-5,
Set
AN/PRC-5,
Set
AN/PRC-5,
Set
AN/PRC-5,
(contd).
data.
and
capacitor
parts
Set
AN/PRC-
LIST
receiver
transmitter
OF
front
front
resistance
list
5.
. . • • . . . . • • . • • • • . . . • . 46
ILLUSTRATIONS
Title
pe.nel
panel
chassis
and
measurements •.• 44 47
color-code
for
operating
and
details
....................
power-supply
charts.
components
.••...........•..
45 49
chassis
61
Page
IX
7
22
30
Radio
5
Antenna
6
RRdio
RA.dio
7
8
Radio
chassis
9 Molded-mica
10 Molded-mica
11 Molded-mica
12
Molded-paper
13
Tubular
14
Fixed
15
Radio
Set
circuits........................................
Set
Set
Set
tube-socket
ceramic
resistors,
Set
AN/PRC:-5,
AN/PRC-5,
AN/PRC-5,
AN/PRC-5,
capacitors,
capacitors,
capacitors,
capacitors,
capacitors,
RMA
AN/PRC-5,
functional
location
receiver
transmitter
layout ..............................
three-dot
RMA
AWS
AWS six
and
AWS
schematic
diagram
trimmer
of
chassis
and
color
six-dot
six-dot
-dot
RMA
color
color
diagram...................
codes................
of
adjustments
tube-socket
power-supply
code............
color
color
color
code..............
plRte-tank
layout.
code..........
code..........
code.........
and
.••..
34
41
47
47
70
51
53
55
57
59
77
VI
DESTRUCTION
NOTICE
WHY -To
own
WHEN-As
HOW
-
l.
2.
3. Burn -
4.
5.
USE
ANYTHING
WHAT-1.
prevent
the
enemy
from
benefit.
ordered
Smash -Use
Cut -
Explosives -Use
by
your commander.
any heavy
Use
any
sharp
Use
gasoline,
at
hand.
firearms.
Disposal -Obliterate:
water.
IMMEDIATELY
Smash-
Receiver,
crystals,
AVAILABLE
transmitter,
tubes,
using
or
instrument
instrument
kerosene,
bury,
FOR
headphones,
salvaging
at
hand.
at
hand.
oil,
any
incendiary
scatter,
DESTRUCTION
antenna,
or
power
telegraph
this
equipment
material
throw
OF
into
THIS EQUIPMENT.
transformer,
key,
for
any body
his
of
resistors,
2.
Cut -
3. Burn -
-~~iring
and
Capacitors,
carrying
;
4.
Bury
or
scatter
capacitors,
line
cords.
canvas bags a
case.
-
Any
or
DESTROY
coils,
nd
equipment
all
of
above
EVERYTHING
switches,
receptacles
pieces.
etc.
in
VII
. .
~.
~.
·:,~
. • ... :
' . '·' .
. ,
, . \'
'.
.
. ' .
.. ,
t,
...
~
·~'
...
···~.
...
- .
. .
~
...
' . ,'·
.
SAFETY
THIS
EQUIPMENT
CHANGE
UNIT
'
AS
•.
~
'
SIDES ·OF
VbLTA<lE
ClliTAIN
THE
AND
VACUUM
\'liTH
THE
SPEtiFICJ.Li.Y
A
)t()DERATELY
'l'HE
KEY.
WILL
BE
CONDITIONS.
:
EQU!PȣNT
THE
CHASSIS
±N
USES
TUBES
PQll'lm
OR
PLUG
DIRECTED
HIGH
VOLTAGE
IT
IS
FATAL
BUT
DO
OPERATION;
AT
THE
SAlLE
NOTICE
DANGEROUSLY
MAKE
CHANGES
PLUGGED
IN
NOT
'IT
NOT
TOUGH
THIS
IS
LIKELY
WILL
Do
NOT
INTO
MANUAL.
PRESENT
CAUSE A PAINFUL
OOTH
TIME.
HIGH
INSIDE
A
POWER
THAT
SIDES
TOt£H
VOLTAGES.
OF
THE
SOURCE,
ACROSS
THE
EXPOSURE
SHOCK
OF
THE
ONE
SIDE
DO
NOT
TRANSCE;IVER
EXCEPT
T''NO
TO
THIS
UNDER
KEY
WITH
OF
THE
KEY
. ' . '
- .
' . ' . '.' .
•, .
.....
·-·'
!•
.
-~ . ~
\
~
..
~
-~::
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-
~
...
·-·.
-·~
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....
...
..
.
. .
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j
.
. .. . .
.,~
:
~~
·
:.:.
'
:
'
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THE
PLUG-IN
THE
HIGH-VOLTAGE
..
.
FREQUENCY
0~1'ION
.
BURNS
'
AS
CO!LS
IF
A
TRANSMITTER
OF
SOUBCE
TOUCHED
THE
BUT
TRANSMITTER
THEY
CAN
WHILE
THE
•
ARE
ISOLATED
CAUSE
EQU:IPMENT
PAINFUL
IS
m:J1L
RADio-
IN
VIII
,·
·.
H
><:
I
ANTENNA
KEY-J47
/
HEADSET
HS-30
·
',
~
CORD
~
CD20
1A
Figure
--
~
.
'
............._
TRANSMITTING
COILS
1.
•'
"'"
~
""
"
Radio
components.
~
Set
•
AN/PRC-5,
.·
••
'-
CRYSTALS
FT-2"43
front
papel
and
CORDCD605
operating
TL
14520
-·
·
·,
1.
GENERAL.
Radio Set
DESCRIPTION
AN/PRC-5
SECTION
is
designed
I
for
short-wave communication
medium
over
the
component
receiver,
ucted
carrying
graph key,
indicator
of
and an
crystal.
oscillator
are
!•
16
in
The
watts
output
keyed
distances
parts
and a power-supply
one
unit
case
also
headset,
lamps, and
transmitter
when
of
The
transmitter
stage
during
from
of
which
which
the
10
followed
periods
is
houses
antenna, and
vacuum
is
of
output
watts
variable
are a radio
unit
mounted
other
tubes.
the
frequency
when
i~
composed
by a power-amplifier
of
transmission.
points.
telegraph
common
in a luggage-type
associated
various
radio-telegraph
the
output
to
spare
is
the
frequency
of
two
It
is a portable
transmitter,
both.
equipment such
same
stages:
All
parts
type,
as
stage.
three
carrying
such
with
that
is
twice
a
crystal-controlled
Both
transceiver,
are
case.
as
the
as
fuses,
a power
of
the
that
of
these
a
radio
constr-
The
tele-
output
crystal,
of
the
stages
£.
The
frequency
receiver
amplification
is
of
the
superheterodyne
to
operate
the
1
type,
headset
and
contains
provided
with
enough
the
equipment.
audio-
2.
TABLE
OF
COMPONENTS.
Quantity
1
5
6
1
1
1
Name
of
comoonent
Antenna
Adapters,
socket
Crystals,
Ft-243 holders,
e~.
4635, 5263, 5925,
6525,
7825
Case, portable
luggage type
Cord
key, with Plug
Cord
headset, with Trans-
former
Plug
plug-in,
power
mounted
7150, and
ke
CD-201-A,
CD-605,
C-410
for
and
PL-55
in
one
for
PL-55
Dimensions
Height
Width
1-3/16 7/8
in.J
Depth Length
-
1800
--
--
7/16
--
72
Diam
1/16
0.3
0.22
Unit
weight
(lb)
0.4
0.05
Variable
0.2
0.6
1
1
1
Headset
cord, transformer,
and
Key
telegraph
Radio
transmitter,
Set
Includes: 1
vacuum
follows:
Quan-
tity
2
1
1
1
Hs-30
plug)
J-47,
AN/PRC-5
radio
receiver
tubes as
(less
and
Radio
set
JAN
type
6SK7
6SA7
6SR7
6N7
of
1-1/8 2-3/4 5-3/8
ll.C 10.0 4-1/8
2
--
--
0.15
0.6
15.0
Quan~
tity
Name
of
comnonent
HeiKht
Dimensions
Width Depth
in.)
Length
Diam
.
Unit
weight
(lb)
2
l
Quan-
tity
1
l
1
and
also
4
Plug-in
for
transmitter
l P
ilot
l
Pilot
Technical
ll-265,
Set
AN/PRC-5
Set
vf
running
follows:
Quan-
tity
2
l
1
l
l
1
l
JAN
type
6V6
6L6
5Z4
~e
Lamp
Lamp
Manuals
Radio
vacuum
spares,
JAN
type
6SK7
6SA7
6SR7
6N7
6V6
6L6
5Z4
coils
Pl
P2
tubes,
as
9.0
--
5-7/8
--
-
--
--
--
--
-
0.25
0.1
3.
TOTAL
The
complete
ed
operating
25
pounds
~.
FREQUENCY
a.
The
bands:
WEIGHTS.
assembly,
components
(subject
COVERAGE.
transmitter
The
to
slight
transceiver
including
and
spare
covers
unit
the
parts,
variation).
~.ooo
to
3
alone
carrying
weighs
16,000
weighs
case
and
approximately
kilocycles
15
pounds.
associat-
in
four
(1) 4,000
to
6,000
kilocycles.
(2) 6,000
(3) 8,000
(4) 12,000
E•
4,500
(1)
(2) 8,000
5.
SOURCE
110-
set
for· operation
to
The
receiver
to
to
OF
or
220-volt,
to
8,000
12,000
to
8,000
16,000
POWER
kilocycles.
kilocycles.
16,000
covers 4,500
kilocycles.
kilocycles.
(fig.
50-
from a source
switch marked 110-220,
hand corner
CAUTION:
220-VOLT,
of
THIS
50-
the
transceiver
EQUIPMENT
TO
kilocycles.
1).
The
to
60-cycle,
located
IS
60-CYCLE
A-c
to
16,000
equipment
single-phase
of
either
near
the
FUSE
unit.
DESIGNED
POWER
FOR
ONLY.
kilocycles
is
designed
source.
volta.ge
by
receptacle
OPERATION
IF
OPERATION
in
two
bands:
for
operation
The
equipment
manipulation
in
the
FROM
110-VOLT
IS
of
upper
from
the
left-
OR
a
is
ATTEMPTED
DIFFERENT
DAMAGED.
6.
POWER
Line
current
Line
current
Line
current
Power
Power
Power
input
input
input
ON A D-e
VOLTAGE
INPUT.
The
(receiver
(transmitter
(transmitter
(receiver
(transmitter
(transmitter
line
Item
POWER
AND
FREQUENCY,
currents
on)
on)
on)
on)
on)
on)
SOURCE
OR
and
No
load
Full
Full
No
load
load
load
ON
AN
THE
EQUIPMENT
power
A-c
SOURCE
MAY
consumption
llO
volts
0.51
ampere
0.55 ampere
0.86
ampere
41.0
45.0
78.0
watts
watts
watts 84.0
OF
WIDELY
BE
PERMANENTLY
as follows:
are
220
0.25
0.30
0.46
46.0
51.0
volts
ampere
ampere
ampere
watts
watts
watts
4
7.
TRANSCEIVER
(fig.
1).
The
transmitter
and
the
power supply form
the
upper
All
covering
all
unit.
and a
and one choke
(1)
transceiver
60-cycle
primary windings.
windings
half
of
the
the
!·
Power Supply.
operating
It
consists
capacitor-input
The
110-220
a-c
in
of
the
controls
face
voltages
coil.
panel
power
parallel
transceiver
for
of
the
The
power supply
for
of
a power
filter
toggle
selector
permits
source.
The
toggle
for
unit,
the
transceiver
unit
(fig.
both
transformer, a full-wave
consisting
operation
The
selector
operation
and
1).
portion
the
transmitter
switch
on
power
from a
the
receiver
unit
are
mounted on a
of
the
and
of
three
on
the
upper
either
transformer
switch
110-volt
connects
110-volt
forms
transceiver
receiver
vacuum-tube
capacitors
left-hand
or
has two
the
power
line,
the
lower
single
unit
portions
(two
in
side
220-volt,
110-volt
two
primary
and
half.
panel
supplies
of
the
rectifier,
series)
of
the
50-
to
connects
them
in
series
(2) A
the
cord and
equipment from
(3)
and
windings
energized.
(4)
may
of
fuse,
holder
The
the
The
be
adapted
the
adapters
located
marked
the
green
110-220
of
the
power
for
operation
FUSE,
primary
short
pilot
toggle
power
cord,
for
furnished
on
the
upper
is
connected between one
circuit
circuits
light,
which
use
located
switch,
transformer,
is
with
with
from a
of
or
permanently
various
220-volt
left-hand
the
power
accident~
immediately below
is
connected
and
types
the
equipment
line.
side
transformer
overloads.
across
lights
when
attached
of
power
(par.
of
side
the
transceiver
of
for
the
one
the
to
the
outlet
2).
the
power
protection
FUSE
receptacle
of
the
filament
transformer
transceiver
sockets
panel
input
of
is
unit,
by
means
in
the
5
(5)
The
OFF-REC-SEND
switch,
located
above
the
FUSE
holder
and
the
110-220
switch near
circuit
causes
power
ments
are
addition
connection from
(6)
the
the
of
to
of
energized
The
panel,
transceiver
E•
Transmitter.
a two-tube
of
the
power
be
the
to
the
GND
and
provide a
the
applied
upper
power
to
be applied
vacuum
at
both
above
the
ANT
unit.
(crystal-controlled
left-hand
transformer from
to
to
the
transmitter
tubes
receiver
binding
means
The
in
the
REC
functions,
posts,
of
transmitter
both
to
connecting
corner
the
and
the
of
the
receiver
in
the
receiver
SEND
positions
this
switch
transmitter,
located
the
portion
master
oscillator
the
power
in
the
in
ground
of
the
panel,
cord
the
REC
SEliD
and
of
also
transfers
and
the
upper
transceiver
disconnects
in
the
position,
position.
the
transmitter
the
switch.
vice
versa.
left-hand
and
antenna
followed
OFF
and causes
The
the
antenna
leads
unit
by
a power-
the
primary
position,
fila-
circuits
In
corner
to
consists
of
amplifier
of
4,000
(1) A change from
proper
proper
units
circuits
the
entire
(2)
The
front
stage),
to
16,000
crystal
receptacles
are
completely
have been designed so
range
following
panel
of
four-band
kilocycles.
one
and
the
on
interchangeable
of
the
transmitter
the
transceiver
circuit
band
to
oscillator
the
front
transmitter
controls
arrangement covering a frequency range
another
panel.
that
unit
is
accomplished
and power-amplifier
The
oscillator
with
each
only four
(par.
(fig.
20£).
and
receptacles
2):
other,
coils
by
coil
and
and
are
are
inserting
units
amplifier
the
operating
required
located
the
into
to
on
their
coil
cover
the
6
GND
ANT C
40
C41
C47
Jl
Figure
2.
Radio
SW3
Set
AN/PRC-5, f
7
ront
Rl6
panel
SW5
J2
SW4
details.
(!)
ANT
CURRENT.
An
indication
of
transmitter
antenna
current
is
provided
by a pilot
This
lamp
clear
maintain
lamp
filament •
(£)
AMP
indicator,
at
a given frequency.
(£)
OFF-REC-SEND
tion
of
(d)
ANT
transceiver
capacitor
lamp
is
jewel
indicator.
operation
COIL.
receives
this
COUPLING.
unit,
and,
connected
installed
This
Switch. Refer
switch.
provides a
in
turn,
in
near
the
This lamp
of
the
transceiver
receptacle,
the
power-amplifier
This
control,
means
the
load
series
top
located
to
located
on
with
the
edge
of
is
shunted
unit
in
immediately below
plate
subparagraph
at
of
adjusting
the
transmitter
transmitter
the
transceiver
by
a small
the
event
coil
required
!(5)
the
top-center
the
antenna
power-amplifier
antenna
inductor
of
failure
the
for
above
portion
loading
lead.
unit
behind the
which
ANT
will
of
the
CURRENT
operation
for a descrip-
of
the
circuits
(~)
.AlP
provides a
The
tuning
ANT
COUPLING
(!)
OX
attached
means
of
of
(g)
CRYSTAL.
the
panel,
frequency.
of
each
is
(pars.
TUNING.
means
capacitor
control.
TUNING.
to
the
bringing
This
receives
Six
crystals
marked
22g
and
This
control,
of
tuning
controlled
This
control,
oscillator
this
circuit
receptacle,
the
directly
!)
.
the
plate
crystal
are
furnished
on
located
below
power-amplifier
by
this
knob
located
circuit
into
located
unit
below
tuning
resonance.
near
required
with' the
the
crystal
the
is
the
the
holder
ANT
COUPLING
plate
circuit
similar
i\1lP
TUNING
capacitor,
upper
for
unit,
(par.
right-hand
operation
and
2).
control,
to
resonance.
to
that
used
control,
and provides a
corner
on
a given
the
frequency
in
is
the
8
(h)
OSC
COIL.
This
receptacle,
located
immediately below
the
CRYSTAL
receptacle,
receives
the
given frequeney.
(!)
OSC-A1~
receptacle,
below
the
Switch. This
provides a
receiver
tuning
power-amplifier cathode
this
switch,
meter.
is
indicated.
(j)
KEY
right
of
attached
£• Receiver.
In
Jack.
the
to
the
the
AMP
This
OSC-AMF
Key
J-47.
The
cathode
position,
jack,
switch,
receiver
oscillator
slide-type
means
dial,
circuits
current
located
por~ion
of
switching
from
or vice
of
the
cathode
below
receives
plate
switch,
the
the
oscillator
Plug
of
the
coil
req1thed
located
the
d-e milliammeter,
oscillator
versa.
In
tube
current
the
PL-55
OSC
of
COIL
on
the
transceiver
for
operation
below
cathode
the
the
the
circuit
OSC
position
is
indicated
power-amplifier
receptacle
end
of
unit
consists
OSC
COIL
located
to
and
the
cord
at
of
by
to
of
a
the
the
tube
the
a
five-tube
control
to
16,000
is
provided
or
tone-modulated
as
described
are
located
(1)
RreEIVER
the
d-e milliammeter
variable
brated
superheterodyne
(ave), a beat-frequency
kilocycles
for
the
below (subpar.
on
the
TUNING.
tuning
dial
capacitor
which
is
milliammeter. This
circuit
covered
reception
s~gnals
is
£(4)).
lower
dial
portion
The
RECEIVER
in
the
in
visible
is
center
the
in
calibrated
arrangement,
oscillator,
by
two
of
c-w
desired,
of
TUNING
of
receiver
the
small
bands.
signals.
this
The
following
the
transceiver
control,
the
panel,
circuits
window
directly
with
automatic volume
and a frequency range
The
beat-frequency
When
the
reception
oscillator
may
receiver
be switched
controls
unit:
located
controls
as
directly
in
megacycles
well
to
the
the
as
above
3-gang
the
(me),
of
4,500
oscillator
of
voice-
off
(fig.
left
of
cali-
the
d-e
with
2)
9
band 2
8.0
me)
(2)
BAND
(8.0
to
on
the
SWITCH.
16.0
me)
bottom
The
on
portion.
BAND
change
the
top
portion
switch,
of
the
located
dial,
in
and band 1
the
lower
(4.5
left-hand
to
corner
of
covered
kilocycles;
protected
neath
this
receiver
cover
the
figure
(3)
below
grid
plate
receiver
6.
VOLUME
the
of
the
set.
the
panel,
in
these
position
by a
cover
circuits.
rectangular
has two
two
positions
2:
are
several
Immediately above
over trimmer
circuit.
CONTROL.
The
For
receiver
d-e milliammeter,
first
audio-amplifier
positions
are
8,000
to
cover
adjustment
capacitor
the
location
VOLUME
controls
marked 1 and
as
follows:
16,000
fastened
kilocycles.
to
the
screws used
the
BAND
switch
adjustment screws
of
these
control,
the
stage
amount
and
the
of
level
2.
The
position
1:
The
panel
qy
in
aligning
is
also
another
used
adjustments
located
a-f
to
voltage
of
sound
frequency ranges
4,500
BAND
screws.
to
switch
Under-
8,000
is
the
square
in
aligning
refer
the
right
fed
in
to
to
the
and
the
head-
(4)
BFO
OFF-oN
control
of
and immediately below
the
beat-frequency
circuit.
(5)
PHONES
of
the
panel
to
the
end
8.
CARRYING
luggage-type
tension
latch.
SWITCH.
This
oscillator
JACK.
The
PHONES
immediately below
of
the
headset
CASE.
The
carrying
transceiver
case,
Folding-type
switch,
the
jack,
cord.
and
brackets
located
OSC-AMP
by
opening
located
the
KEY
assembly
it
is
10
jack,
held
on
the
to
the
switch,
or
closing
in
~he
receives
is
mounted on
in
place
two
right
controls
bottom
in
sides
of
the
the
operation
its
plate
right-hand
Plug PL-55
slip-hinges
the
case by a
of
the
trans-
VOLUME
voltage
corner
attached
in
spring-
a
ceiver
the
carrying
unit
are
case
attached
to
permit
to
the
side
tilting
walls
of
the
of
the
transceiver
transceiver
unit
compartment
for
greater
of
convenience
is
wound on
carrying
the
Key
pilot
9.
HEADSET
into
attached
of
Transformer
secondar,y
complete
10.
purposes
carrying
J-47,
lamps,
the
PHONES
to
headset
KEY
(fig.
in
operating.
blocks,
case,
the
extra
and
(fig.
the
C-410
winding
1).
only.
at
tubes.
1).
jack
end
is
and
Key
attached
Several
several
crystal
Headset
on
the
of
headset
is
connected
connected
cord
assembly.
J-47,
The
antenna
to
the
canvas
convenient
and
transmitter
H5-30,
transceiver
Cord CD-605. The 256-ohm
to
furnished
wire,
inside
furnished
to
the
the
receiver
with
of
bags
points,
coil
unit
headset,
the
with
the
attached
with
by means
one
insulator
carrying-case
to
house
units,
output
equipment,
the
and
Headset
equipment,
of
the
by means
the
inside
and
spare
Plug
PL-55
primary
8 ,000-ohm
plugs
attached,
lid,
for
of
HS-30,
fuses,
plugs
winding
of
the
into
the
KEY
jack
end
of
Cord CD-201-A.
ll.
ANTENNA.
insulated
insulator
remote
is
being
to
the
12.
VACUUK
the
following
on
the
The
wire.
and a 20-foot
end
of
the
transported,
lid
of
the
TUBES.
tabulation:
transceiver
antenna
The
antenna
length
antenna
the
carrying-case
The vacuum
unit
consists
is
of
wire
to a suitable
antenna
tubes
by
means
of a 150-foot
equipped
chalk-line
wire
(par.
used
11
of
with
is
8).
in
Plug
a s.mal.l
cord
support.
coiled
Radio
PL-55
length
for
around.
Set
attached
of
flexible
airplane-type
attachment
When
the
blocks
AN/PRC-5
attached
are
to
the
of
the
equipment
shown
in
Reference
Function
Signal
type
Corps
JAN
t~e
Base
Vl
V2
V3
V4
V5
V6
V7
vs
13.
ADAPTERS. A set
Receiver
amplifier
Receiver
converter
Receiver
amplifier
Receiver
and
Receiver
amplifier .stages
Transmitter
oscillator
Transmitter
amplifier
Full
of
BFO
wave
five
r-f
i-f
detector
a-t
crystal
power-
rectifier
adapters
is
furnished
VT-117
VT-150
VT-117
VT-233
VT-96
VT-107
VT-115
VT-74
so
that
6S¥:7
6SA7
6S¥:7
6Sf(f
6N7
6V6
616
5Z4
the
plug
Octal
Octal
Octal
Octal
on
Octal
Octal
Octal
Octal
the
end
of
the
outlet
14.
are
frequency
7150;
se~ond
11,850;
15.
uni
phenoli
plugs.
sockets
CRYSTALS
furnished
am
harmonic
13,050;
TRANSMI
ts
' t
c f orma
The
power
operatiou
7825
cord
that
(fig.
with
kllocyeles.
frequencies
14,300;
TTER
PLUG-IN
urnished
attached
coils
plug
may
be
adapted
may
be
encountered
1). A set
the
equipment. These
on
the
of
following
The
of
the
and 15,650
COILS
with
the
to a cerdmic·plug
into
{fig.
equipment. These
ceramic
to
six
crystals,
frequencies:
crystals
crystals
kilocycles.
1). A set
jack
12
fit
while
crystals
also
strip
strips
into
using
mounted
permit
as
follows:
of
coils
having
various
the
permit
4635; 5263; 5925; 6525;
four
are
installed
types
equipment.
in
FT-243
fundamental
operation
9270;
transmitter
wound
four
pin-type
in
the
of
power
holders,
at
the
10,526;
coil
on
clear
trane-
ceiver
the
ceramic
unit.
Identification
plug
strip;
two
o!
coils
the
four
coils
are
marked Band 0
ie
marked on
and
one
the
each
bottom
Band B
of'
and Band C
insertion
16.
OPERATING
attached
•
into
to
.!• A complete
b.
Two
spare
£..
One
antenna
with
bayonet
5!·
One
power
bayonet
base.
All
of
the
SPA.'FtES.
the
inside
duplicate
fuses,
loading
base.
indicating
the
coils
jack
The
of
2-ampere,
are
strips
operating
the
carrying
set
of
indicator
pilot
completely
is
concerned.
spare
vacuum
250-volt
pilot
lamp,
interchangeable
parts,
case,
tubes
type.
lamp, 0
0.15-ampere,
housed
are
as
as
listed
.06-ampere,
in
follows:
in
6-
to
so
canvas
paragraph
2-volt
8-volt
far
bags
type,
type,
as
12.
with
13
SEX:TION
II
17.
INITIAL
!•
Unpack
that
the
(1)
The
installed;
(2)
One
(3)
One
(4)
One
(5)
One
(6)
One
(7)
Two
{8)
Two
PROOEDURE.
the
box which
following
transceiver
mo\Ulted
complete
Headset HS-30.
Key
J-47.
set
of
set
of
spare
spare
fuses
pilot
set
six
four
in
crystals
INSTALLATION
contains
items
transmitting
{par.
lamps
unit
a
of
are
included:
with
portable
spare
(par.
16).
(par.
AND
Radio
fuse,
tubes
pilot
luggage-type
(pars.
14).
coila
16).
OPERATION
Set
AN/PRC-.5
lights,
carrying
12 and
(par.
15).
and a
16).
and
set
case.
check
of
to
see
vacuum
tubes
{9)
(10)
(11)
~·
~·
socket,
case.
(1)
Release
unit
(tilt
(2)
Disengage
the
heads
One
set
One
antenna,
Two
copies
Inspect
In
otder
it
To
and
raise
it
up).
ot
will
do
the
ot
five
socket
wound
ot
Technical
the
equipment
to
make
be
necessary
this
proceed
spring-tension
the
top
the
folding
the
holding
on
sure
as
end
brackets,
screws
adapters
blocks
Manual 'Ill
for
any damage
that
of
each vacuum
to
remove
follows:-
latch
the
(par.
inside
holding·the
transceiver
which
in
the
13).
ot
ll-26.5 1 Radio
that
the
hold
side
carrying-case
may
have
tube
transceiver
is
top
unit
the
walls
seated
end
as
transceiver
of
Set
AN/PRC-5.
occurred
unit
of
far
the
cover
tirml.y
as
transceiver
{par.
in
from
the
the
transceiver
possible
unit,
in
11).
transit.
its
carrying
from
14
compartment.
(3)
Lift
the
traneceiver
unit
still
further
and
slip
it
off
the
slip-hinges
attached
the
(4)
ehi}DBnt and
correct
their
to
carrying
Inspect
sockets.
proper
(5) Replace
(6) Lower
properly,
holding
(7)
If
111.83
be
equipment
the
and engage
screws.
immediate
left
is
the
bottom edge
case.
the
interior
make
sure
Ka.ke
positions.
the
transceiver
unit
operation
in
this
to
be
portion
that
sure
carefully
the
lower ends
tilted.
carried
of
the
of
all
vacuum
that
the
unit
on
until
of
the
position
or
stored.,
transceiver
the
unit
tubes
pilot
the
slip-hinges.
the
folding
of
the
equipment
for
convenience
lower
unit
and
the
for
possible
are
seated
lamps have been
brackets
brackets
is
desired,
the
transceiver
firmly
can
with
the
the
in
operating.
front
damage
installed
during
in
be
reinstalled
heads
transceiver
unit
until
edge
their
in
of
If
of
the
unit
the
the
spril)g-tenaion
18.
INSTALLATION
blocks
the
,.ttached
should
other
the
coil
possible
be
attached
end
with
be
objects.
antenna
the
given
to
the
as
in
antenna
of
its
for
latch
to
the
high
such a manner. Under such
the
engages
OF
ANTENNA.
the
inside
insulator
insulator.
as
possible
Under
total
certain
wire
around
length
installation
the
top
Unwind
of
to a suitable
For
above
conditions
the
out
of
the
the
best
the
molding
of
a window.
the
15
edge
of
the
unit.
antenna
lid
of
support
results,
earth
it
conditions
in
antenna under such
wire
the
carrying
by
this
and
may
not
a room
No
from
means
end
surrounding
be
it
or
hard
the
case,
of
the
of
the
possible
may
be
to
drop
and
fast
conditions,
supporting
and
attach
cord
antenna
buildings
to
install
necessary
as
much
as
rules
can
and
or
to
successful
operation
of
the
equipment
will
depend on
the
skill
and
ingenuity
antenna
necessary
points
supporting
wooden
the
in
connection
adjacent
(not
19.
of
ot
objects.
other
the
upper
furnished
POWER
the
source
of
the
should
to
support
support
the
end
lett-hand
such
to
the
LINE
of
operator.
be
in
free
the
should
wire
with
Do
not
attach
of
the
antenna
corner
as a water
ANT
post
to
with
the
equipment) •
CONN&:TION
power
to
Remember
space
wire
be
insulated
pieces
wire
of
pipe
the
(fig.
be
used.
at
of
the
is
pipe
2).
so
points
to
the
that
the
far
as
physically
along
as
well
cord
or
wire
directly
the
binding
transceiver
available,
by
means
Determine
For
Radio
entire
its
as
possible
rope
or
to
post
unit.
connect
of a short
the
Set
length
possible.
length,
by
tying
metal
marked
If
the
length
voltage
AN/PRC-5
of
the
If
it
these
either
objects.
a good growld
GND
and
to
additional
the
wire
ANT,
post
of
the
operate
by
Attach
located
which
wire
frequency
is
to
is
properly,
voltage
Then
proceed
!•
Throw
£.
Throw
to
the
voltage
~·
Determine what adaptt3r
to
the
power
g.
Connect
20.
TRANSMITTER
!•
Crystal.
Crystal
the
line
frequency must be between
must be between
as
follows:
the
OFF-.REX:..SEND
the
11o-220
of
the
outlet,
the
The
Holder FT-243.
and
power
CRYSTAL
frequency
llO
and 120
switch
toggle
available
is
fit
the
cord
to
AND
COIL
of
Select
(SWl)
switch
power
needed,
adapter
the
power
UNITS
each
the
crystal
volts
(SW2)
source.
if
on
outlet.
(fig.
crystal
50
and
60
cycles
or
between 220 and 240
to
the
OFF
position.
to
the
position
&ey",
to
connect
the
2).
is
marked on
of
the
power
cord
desired
and
the
volts.
corresponding
the
power
plug.
the
outside
operating
line
cord
of
16
frequency,
and
insert
of
the
transceiver
_2.
Transmitter
or
one-half
it
in
the
CRYSTAL
panel.
Coils.
the
Four
value
of
the
receptacle
transmitting
desired output frequency
near
the
upper right-hand. corner
coils
(112 and
Ll4)
are
~par.
14),
furnished
with Radio
determine
following
the
table,
receptacles,
c.
Frequency-coil
Output
frequency
4.0
to
6.0
to
8.0
to
12.0
12.0
to
16.0 6.0
~·
Example.
Set
AN/PRC-5
coils
required
and.
respectively.
(me)
6.0
s.o
If
the
(par.
15).
for
inse~
the
Table.
Crystal
frequency (roc}
4.0
to
6.0
to
4.0
to
to
desired
transmitting
To
operate
operation
coils
selected
6.0
8.0
6.0
8.0
on
a given frequency,
at
that
in
the
Oscillator
coil
Band c
BandD
Band
Band D
frequency
frequency from
~
COIL
and
Amplifier
C
is
5,263
kilocycles,
the
AMP
COIL
coil
Band
B
Band
C
Band
D
Bani D
proceed as follows:
(1)
Insert
(2)
Use
(!) 5,263
(£)
BAND
B
(3)
Insert
(4) Insert.
21.
R&:EIVER
!•
Throw
the
The
coil
the
crystal
above
kc
lies
4.0
to
for
the
the
BAND
the
BAND B coil
OPmATION.
the
BAND
6.0
marked
table
to
between
me
band
amplifier.
C
coil
switch
5,263
determine
4.0
and 6.0
requires
in
the
OSC
in
the
Al4P
(SW3)
to
17
kc
the
BAND
COIL
COIL
the
into
the
proper
me.
C
receptacle.
receptacle.
desired
CRYSTAL
coils:
coil
for
position.
receptacle.
the
oscillator
and
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