AN/GRC-9 AN/GRC-9A AN/GRC-9X AN/GRC-9Y
AN/GRC9A AN/GRC9X AN/GRC9Y
RT77 RT77A AN/GRC9 ANGRC9
ANGRC 9 Transceiver Download
RT-77 RT-77A AN/GRC9 Transmitter Receiver
TM 11-263 TO 31R2-2GRC9-1


Circuit Diagram, Service Manual, Service Information,  Schematic Diagrams and Manuals

For Repairing, Restoration and Servicing of Vintage and Modern Electronic Equipment


Operation and Technical
Data including Circuits &
Layouts Details Below
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Transceiver Transmitter Receiver.

AN/GRC-9 AN/GRC-9A AN/GRC-9X AN/GRC-9Y
AN/GRC9A AN/GRC9X AN/GRC9Y AN/GRC9
ANGRC9 ANGRC 9 AN/GRC9
RT77 RT77A  RT-77 RT-77A

Made by Telefunken in Germany this is a low-power radio transmitter and receiver that was used in either ground or vehicle applications.

The equipment is an American design dating back to the end of WW2.

Made in the USA or under license in Germany and France.

Frequency coverage : -
2 to 22 MHz Am or CW and has an RF output power of 1 to 15 watts.

Transmitter Section covers : -
2 to 3.6, 3.6 to 6.6, and 6.6 to 12 MHz continuously tuneable
Or two pre-set channels.

AM & CW Hi-Lo Out-puts 7 or 1 Watt AM 15 or 5 Watt CW.

The power amplifier uses 2E22 tubes ( valves )

Power supply required : -
580v DC @ 100ma
6.6v DC @ 2 Amps

120v DC @ 45ma
1.5v DC @ 500ma
6.9v DC @ 575ma.
  

The Receiver Section covers : -
2 to 3.6, 3.6 to 6.6, and 6.6 to 12 MHz

Continuously tuneable in 3 bands AM-CW

Intermediate Frequency 456 KHz

200 KHz Calibration Points

AF and RF Gain Controls

Headset jacks.

Power Supply : -
DY-88 Dynamotor Power Supply from : -

6v DC @ 29 Amp
12v DC @ 14 Amp
24v DC @ 6.7 Amps

Outputs : -
580v @ 100ma
105v @ 45ma
6.3v @ 2A
1.4v @ 500ma
6.3v @ 575ma

Mounted over the other rear wheel arch.

A padded metal box containing a complete set of spare valves (tubes) and lamps for the set are also carried in the vehicle, along with the headphones, microphone, morse key and loudspeaker.
 

Operation and Technical
Data including Circuits &
Layouts Details Below
On Paper CD or Download
Click Here

AM-66-A RF Power Amp
For the ANGRC9 RT77-AN/GRC-9 radio set.
24 VDC input

Power output 100 Watts

Frequency Range 2-12 Mhz

Field Hand-crank Generator complete with Hand-crank, Legs, Seat and a Canvas Bag.

Outputs : -
425v DC @ 15ma
105v DC @ 32ma
6.3v DC @ 2.5A
1.4v DC @ 465ma.

Four canvas straps secured the radio to its mounting bracket so it was easy to remove from the vehicle for portable field use, where it could be operated from batteries (receive only) or by connecting it to a hand operated generator.

Removed from its mounting it could be carried in a canvas rucksack.

The hand generator set was also carried in its own canvas holder, along with the aerial which was in four sections.

Operation and Technical
Data including Circuits &
Layouts Details Below
On Paper CD or Download
Click Here


The Information Consists of  the Following :-
  • Operating Instructions
  • Block Diagram 
  • Fault finding 
  • Receiver 
  • Top View Receiver 
  • Rear View Receiver
  • Bottom View Receiver x 3
  • Valve Data
  • Transmitter 
  • Top View Transmitter
  • Rear View Transmitter 
  • Bottom View Transmitter x 2
  • Dynamotor Power Supply 
  • Bottom View Dynamotor Power Supply 
  • Rear View Dynamotor Power Supply 
  • Receiver Alignment
  • Alignment points Top 
  • Alignment Points Bottom
  • Transmitter Alignment 
  • Alignment Points Top 
  • Alignment Points Rear 
  • Circuit Diagram Transmitter 
  • Circuit Diagram Receiver 
  • Circuit Diagram Dynamotor

Operation and Technical
Data including Circuits &
Layouts Details Below
On Paper CD or Download
Click Here


Transceiver Transmitter Receiver.
Manuals are Available Worldwide as a Download on CD or Paper Copy.


AN/GRC-9 AN/GRC-9A AN/GRC-9X AN/GRC-9Y
AN/GRC9A AN/GRC9X AN/GRC9Y AN/GRC9
ANGRC9 ANGRC 9 AN/GRC9
RT77 RT77A  RT-77 RT-77A


Department of the Army Technical Manual TM 11-263

Department of the Air Force Technical Manual TO 31R2-2GRC9-1

Operation and Technical Data Including Circuits & Layouts  
Total of 270 A4 Pages.

Manual 270 A4 pages worldwide : -

Printed Paper Copy or on CD are Plus Postage.

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We do all we can to provide the very best that is available for you.
But in the unlikely event that any data should not be as you expected.
A refund is always available. Kind Regards Allen and Alanna.


Manuals are Available Worldwide as Paper Copy on CD or as a Download

Thank you for your interest. Allen and Alanna G0RIT
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Revised: January 20, 2016