Quantcast Control, Intercommunication Set C-2296/VRC

 

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Control, Intercommunication Set C-2297/VRC
Up
TM-11-5820-498-35 Radio Sets AN/VRC-53 AN/VRC-64 AN/GRC-125 and AN/GRC-160 and Amplifier Power Supply GROUPS 0A-3633/GRC and 3633A/GRC Manual
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Receiver-Transmitter Received Audio Signal Distribution, Including Crewmember Boxes


TM 11-5820-498-35
To
From
Unit
C-2297/VRC . . . . . . . . . . . . . . . . . . . . .  J902 or J903, pin D . . . . . . . . . . . . . . .  Amplifier A80, terminal 2
Amplifier A80, terminal 4 . . . . . . . . .  S902
J904, pin K
S902 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CX-4723/VRC . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pin K . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pin K
AM-1780/VRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  J505 (J506, J507), pin K . . . . . . . . .  K502, terminals 13 and 12
K502, terminal 12 . . . . . . . . . . .  J501, pin U
CX-4723/VRC . . . . . . . . . . . . . . . . . . . . .  Pin U . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pin U
MT-1029/VRC . . . . . . . . . . . . . . . . . . . . . .  J22, pin N . . . . . . . . . . . . . . . . . . . . .  J24, pin N
AM-2060(*)/GRC . . . . . . . . . . . . . . . . . . J3, pin N . . . . . . . . . . . . . . . . . . . . . . . .  J2, pin D
. . . . . . . . . . . . . . . . . . . . .  Pin D . . . . . . . . . . . . . . . . . . . . . . . . . .  Pin D
CX-4655/GRC
Receiver-transmitter . . . . . . . . . . . . . . . . .  J3, pin D . . . . . . . . . . . . . . . . . . . . . . . . .  Module A22
C-2297/VRC to alert the C-2297/VRC user that
c.  Control,  Intercommunication  Set
the external C-2296/VRC is in the circuit.
C - 2 2 9 6 / V R C . The C2296/VRC is usually
(2) Keying transmitter. To communicate on
mounted on the outside of the vehicle.
the radio system, the C-2296/VRC INT-RAD
TRANS switch S61 is set to RAD TRANS posi-
(1) Circuit setup. The circuit setup is the
tion. When the H207/VRC push-to-talk switch is
same as given in a(1) above. In addition, the
depressed, a ground is applied to the transmit cir-
OFF-EXT switch S901 in the C2297/VRC must
cuits of the receiver-transmitter, which, in turn,
be set to EXT. This operation permits communi-
causes the transmitter to set up for transmit
cation from the C2296/VRC to pass through the
mode to permit speech signals ((3) below) to be
C-2297/VRC into the intercom and radio system
applied to the distant radio station.
circuits. It also lights the EXT lamp on the
Unit
From
To
C-2296/VRC .. . . . . . . . . . . . . . . . .
TB61, pin 4 . . . . . . . . . . . . . . . . . . . . . .
S61 (RAD TRANS position)
S61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J61, pin H
Cable (fig. 4-5, note 9) . . . . . . . . . . . . . .
Pin H .. . . . . . . . . . . . . . . . . . .
Pin H
C-2297/VRC . . . . . . . . . . . . . . . . . . . . .
J901, pin J . . . . . . . . . . . . . . . . . . . . .
S901 (EXT position)
J901 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
S902
S902 . . . . . . . . . . . . . . . . . . . . . . . . . . .
J904, pin D
CX-4723/VRC . . . . . . . . . . . . . . . . . . . . .
Pin D . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin D
AM-1780/VRC . . . . . . . . . . . . . . . . . . . . . . . .
J506 (J506, J507), pin D . . . . . . . . .
K501, terminals 4 and 3
K501, terminal 3 . . . . . . . . . . . . . . . . .
S502 (CDR + CREW position)
S502 . . . . . . . . . . . . . . . . . . . . . . . . . . .
S501 (OTHER and INT ONLY
positions)
S501 . . . . . . . . . . . . . . . . . . . . . . . . . . .  J501, pin S
CX-4723/VRC . . . . . . . . . . . .
Pin S . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pin S
MT-1029/VRC . . . . . . . . . . . . . . . . . . . .
J22, pin S . . . . . . . . . . . . . . . . . . . .  J24, pin H
AM-2060(*)/GRC . . . . . . . . . . . . . . . . . . . . .
J3, pin Ha . . . . . . . . . . . . . . . . . . . . . . .  K1, terminal 5
J3, pin Ha . . . . . . . . . . . . . . . . . . . . .  J2, pin C
CX-4655/GRC . . . . . . . . . . . . . . . . . . . .
Pin C . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pin C
Receiver-transmitter . . . . . . . . . . . . . . . .
J3, pin C . . . . . . . . . . . . . . . . . . . . . . . .  K2, terminal 5
a
Indicates parallel connection from J3, pin H.
(3) Radio transmission. After the transmitter
plifier
A80,
the C-2297/VRC, and the
has been keyed ((2) above) and the operator
AM-1780/VRC to the transmit circuits of the re-
speaks into the H207/VRC microphone, voice
ceiver-transmitter.
signals are applied through the C-2296/VRC am-
To
Unit
From
TB61, pin 3 . . . . . . . . . . . . . . . . . . . . . . . .  Amplifier A80, terminal 2
C-2296/VRC . . . . . . . . . . . . . . . . . . . . .
Amplfier A80, terminal 4 . . . . . . . . . J61, pin K
Pin K . . . . . . . . . . . . . . . . . . . . . . . . . . .  Pin K
Cable (fig. 4-5, note 9) . . . . . . . . . . . . . . .
J901, pin K . . . . . . . . . . . . . . . . . . . . . .  S901, (EXT position)
.................
C-2297/VRC
S901 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
S902
S902 . . . . . . . . . . . . . . . . . . . . . . . . . . .  J904, pin K
Pin K
Pin K . . . . . . . . . . . . . . . . . . . . . . . . . .
CX-4723/VRC . . . . . . . . . . . . . . . .
K502, terminals 13 and 12
J505 (J506, J507), pin K . . . . . . . . . . . . . .
...................
AM-1780/VRC
K502, terminal 12 . . . . . . . . . . . . . . . .  J501, pin U
See footnote at end of table.
2-6


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