Aircraft Radio Corporation SCR-274-N Скачать руководство пользователя страница 24

RESTRICTED 

AN 

08-40SCR274-2 

AS S E M B LY 

VI E W   OF  C O R D S 

r�1 

OPPOSITE  SIDE 

WIRES  TO  TERMINALS  10 ,11,12  ONLY 

ME THOD  OF  TRIMMING  CABLE  00-210  FOR  CORD  ASSEMBLY  58 04 

re1 

TRIM  SAME  AS 

OPPOSITE  SIDE 

TRIMMING  CABLE  CO-205  FOR  CORD  ASSEMBLY 

OUT 

GREEN 

GREEN  WIRE 

SAME  AS

OPPOSITE  SIDE 

32 

METHOD  OF  TR IMMING  CABLE  CO-20!l  F OR  CORD  ASSEMBLY  5810. 

GA. 

�Oo 

WIRES  OUTER  LAYER 

r---

I

· 

TWO  NO. 1 6  BaS  GA. 

WIRES  INNER  CORE 

FOUR-N0.22  Bas GA. 
WIRES  INNER  CQRE 

M E T H OD  OF  TRIMMINi;  CABLE  CO-2 07  F OR  CORD  A SSEMBLY  753 8 

ME THOD  OF  TRIMMI N G   CABLE  CO-20 6  FOR  CORD  ASSEMBLY  6 693 

I N STA L L A T ION 

N O TE S  F OR  CORD  A S SE MBLIES 

At,.L  CABLES  HAVE  CONSIDERABLE  TORSIONAL  RIGID ITY ,SO  THAT  WHEN 

INSTALLED  APPRECIAILE  tORSIONAL  STRESS  MAY  BE  8E T  UP  IF  tHE 
REL ATIVE  ANGULAR  POSITION  OF  THE  PLUGS  TO  THE  CABLES  IS  UNFAVORABLE. 
THIS  CONDITION  SHOULD  BE  REL IEVED  BY  TWISTING  THE  CABLE,  A 

SHORT 

LENGTH  AT  A  TIME,l.WrlL AN  ANGULAR  .. WG  RELATION  IS OBTAINEO  WHICH 

RESULTS  IN  NEGLIGIBL£  TORQUE_ 

TO  TWIST  THE  CABLE  SINCE  THE  .JOINT  BETWEEN 

NOTE:  CABLING  IS NOT  USED  IN  ARMY  AIR  FORCES  INSTALLATIONS. 

RUBBER  CORD  SHOULD 
PROTRUDE 

Y

32"BEYOND 

FACE  OF  FERRULE 

RESTRICTED 

AN 

08-40SCR274-2 

.. '"  A." 

,"".A'or  TO 

OF  BOTH  KNURLED  N U TS 

A S S EMBLY 

VIEW  OF  CORD S 

7547  AND  75 48 

METHOD  OF  TRIMMING  CABLES  CI>-204  FOR  CORD  ASSEMBLIES  7547  a  7548  ABOVE 

Section 

VIEW  F 

WIRING  COLOR  CODE  a 
END  VIEW  OF  PLUG  PL-157 

157 

A S S ElIIB L Y  

VIE W  

OF  C O R D  

7543 

VIEW 

WIRING  COLOR  CODE 

PL -

END 

'

hEW  OF 

PLUG  PL-J58 

CONSISTS  OF  PLUG  PL -119 

ALL  IT E MS  IN  THIS  BL OCK 
DISCONTINUED 

ON 

LAT E R   MODEL. 

(SO  MARKED) (754 5)  TOGETHER 

WITH  FERRULE  ASSEMBLY  (7639) 

i-f.j 

,Ii -----j 

• 

METHOD  .OF  TR1MMING  C A BLE  CCl-211  F OR  COR D·  A S S E M BLY  7543  A B O VE 

I. 

OUTER  WHITE 

2. OUTER  BLACK 

3. 

RED 

4.  INNER  LARGE  WHITE 

5.  INNER  LARGE  BLACK(GROUND) 

6.  BLUE 

7.  GREEN 

8. 

YELLOW 

I.  BLUE 

2.  R E D  

9 .   BROWN 

10. 

ORANGE 

3. 

B

L

A

C

( GROUND)  ( NO.16) 

II.  INNER  SMALL  WHITE 
12 .  INNER  SMALL  BLACK 

VI E W  

I. 

YELLOW 

2.  RED 

3. 

BLACK (GROUND 

(NO.16) 

4. 

WHITE 

(NO_  16) 

5  BLUE 

(GREEN  NOT  USED) 

PL-15 6 

4. 

GREEN 

5. YELLOW 
6. WHITE 

( NO_  1 6 )  

I  WHITE 

2  R E O 

B L U E  

4  G R E E N   (GROUND) 

5  YE L L OW 
6  BLA C K  

7  B R  OWN 

ORANGE 

ASSEMBLY  PROCEDURE  FOR  CO  TYPl;: 

A. 

STRIP  CABLE  ENDS  TO  DIMENSIONS  IND ICATED . 

B. 

TIN 

ENDS  OF  CONDUCTORS. 

c. 

INSERT 

CABLES  INTO 

PLUG 

ASSEMBLIES. 

D_ 

BACK  OFF  N U TS, WASHERS  AND·  SHELLS . 

PL-ISI 

PL-152 

E_  SOLDER WIRES  TO  RESPECTIVE  JACKS  PER  WIRING  COLOR  CODE 

WITH  MINIMUM  C�OSSOVER5  OF  CABLE  COMD UCTORS. 

I. 

WHITE (BETWEEN  BR. a RD_) 

It: 

2.  WHITE (BETWEEN  RD. 80  OR.) 

�  !: :��

E N  

oJ 

5. 

WHITE (BETWEEN  OR. 80  YEL.) 

It: 

ILl 

::l 

6.  BLUE 
7.  WHITE(BETWEEN  GR.El YEL.) 

8. 

ORANGE 

9.  WHIT.E(BI!-rWEEN  BL.80 GR.) 

10.  YELLOW 
I I.  BROWN 

ILl 

12. 

WHITE·(BeTWEEN  BR.80  BL .) 

1t:

{

IS.  YELLOW 

"8 

14 . BLUE 

It: 

15.  BLACK  (  NO.IS  ) 

ILl 

16.  GREE N 

� 

:�

·.

��?

TE ( N O .16) 

(NO_7  GROUNDED  BY  SCREW) 

I  WHITE 
2  BL A CK  (GR O U N D )  

(;)

"

.

,

.

VIEW  � 

I  WHITE  a  JUMPER 
2  BLACK  (GROUND) 

JUMPER 

8

L-,48 

NO.16 BARE 

WIRE  TlNNE 

WIRING  COLOR  CODES,  T ERM INAL  D ESIGNAT I O N S  A N D  

R E A R  

VIE W S 

OF  PL U G S  

F. 

ALIGN  FERRULE  PIN  WITH  .JACK  ON  PLUG  HAVING  TAPPED  HOLE 

AND 

SOLDER  FERRULES  THOROUGHLY  TO  SHEATH  THROUGH 

SI

DE  HOLES 

OF  EACH  PLUG. 

G.  ASSEMBLE  PLUGS  WITH  FERRULE  PIN  IN  SLOT'IN  SHELL. FASTEN 

THE  INSULATOR  ASSEMBLY  IN  THE  .SHELL  WITH  SCREW  ANO  THEN 
TIGHTEN  AND  SEAL  NUT. 

RESTRICTED 

figure  5-3.  Assembly  Drawing  of  Cords  �r  Tes,  Sels  RC-54-A  and  ·RC-55-A 

RESTRICTED 

5-5-5-6 

Содержание SCR-274-N

Страница 1: ...AN 08 40SCR274 2 HANDBOOK OF OPERATING INSTRUCTIONS for RADIO SET SCR 274 N RESTRICTED For Official Use Only COPlfYERUTHOGRAPHCORP ClEVELAND OHlO APRIL l945 3 OOO Approved 4 OCTOBER 1944...

Страница 2: ...unicated either directly or indirectly to the press or to any person not holding an official position in His Majesty s Service The information contained in restricted documents and the essen tial char...

Страница 3: ...t View Left Radio Control Box BC 473 A for one Receiver Front View Right 1 6 Rack FT 220 A and Mounting FT 221 A for Receivers Front View 1 7 Radio Control Box BC 451 A for Transmitters Front View 1 8...

Страница 4: ......

Страница 5: ...he event of malfunctioning unsatisfactory desig n or unsatisfactory installation of any of the compon ent units of this equipment or if the material contained in this book is considered inadequate or...

Страница 6: ...Section I RESTRICTED AN 08 40SCR274 2 figure Radio Set SCR 274 N Components iv RESTRICTED...

Страница 7: ...ED The following table lists the equipment supplied a RECEIVING EQUIPMENT See figures 1 1 to 1 11 Transmitter Frequency in megacycles Radio Transmitter BC 696 A 3 0 4 0 Radio Transmitter BC 457 A 4 0...

Страница 8: ...F1 220 A 4 0 FT 221 A 16U6 x 102 x 1 1 0 PL 152 A 0 13 Pl 147 A PL 15I A BC 450 A 9Y2 x 51 2 x 21 2 7 MC 212 MC 213 MC 214 FT 222 A 9Y2 x 51 2 x Y2 0 7 JAN 12SK7 JAN 12SK7 JAN 12KBY JAN 12KBY JAN 12SR...

Страница 9: ...smitter installations Quantity per Name of Unit I Army Type Navy Type Equipment Designation Designation 1 Radio Control Box BC 451 A 1 Mounting FT 228 A 1 Plug PL 153 A 1 Modulator Unit BC 456 A BC 45...

Страница 10: ...nation Overall Dimensions inches 7 x 111 i X 12 2 Weight pounds 1 7 4 FOR TWO TRANSMITTER INSTALLATION Includes two transmitters two plugs and two tube sets as in paragraph 2b 2 of this section plus Q...

Страница 11: ...RESTRICTED Section I AN 08 40SCR274 2 Figure J 2 Typical Radio Receiver with Adapter for Local Control Figure J 3 Typical Radio Transmitter Front Panel RESTRICTED 1 5...

Страница 12: ...08 40SCR274 2 figure 1 4 Radio Control Box BC 450 A for Three Receivers front View figure 1 5 Radio Control Box BC 496 A for Two Receivers front View Left Radio Control Box BC 473 A for one Receiver...

Страница 13: ...ion I AN 08 40SCR274 2 Figure 1 6 Rack FT 220 A and Mounting FT 221 A for Receivers Front View Figure J 7 Radio Control Sox SC 4SJ A Figure 1 8 Antenna Relay Unit SC 442 A for Transmitters Front View...

Страница 14: ...R274 2 Figure J 9 Rack FT 226 A and Mounting FT 227 A for Two Transmitfers Left Rack FT 234 A and Mounting FT 232 A for One Transmitter Right J 62 P Sl Figure J J O Rack FT 33 J A and Mounting FT 332...

Страница 15: ...m n m 0 0 Figure J J J Modulator Unit 8C 456 8 Top View with Shield Removed Also 80ttom View of Dynamotor DM 33 A l Z o com I O nn to m 0 I to II o I...

Страница 16: ...wire may be used for the lead between the receivers and the antenna relay c Support the leads on ceramic stand off insu lators When protection against accidental contact with the aircraft structure is...

Страница 17: ...rnished and will provide satisfactory operation for most antennas If proper tuning of the transmitter is not possible dlle to large antenna capaci tance or inductance series capacity may be added in s...

Страница 18: ...ting the LOCK knobs one half turn clockwise to a stop in which position the engraving LOCK on the knob will read right side up 15 Release the built in telephone key by rotating it in a counterclockwis...

Страница 19: ...or for control in one location of part of the receivers and in another location of the remaining receivers When re mote control boxes are used each receiver so controlled must be equipped with an Adap...

Страница 20: ...EMERGENCY OPERATION AND REPAIR I FUSE REPLACEMENT a FUSE IN RECEIVER RACK WARNING Dynamotor DM 32 A on each of the receiv ers generates 250 volts direct current The danger of exposure to the voltage m...

Страница 21: ...RESTRICTED Section V AN 08 40SCR274 2 SECTION Y SUPPLEMENTARY DATA RESTRICTED 5 1...

Страница 22: ...F AMP CATHODE CURRENT AND FIRST I F AMP TUBES VT 131 11 15 MI L LI AMPERES P ARTS L1ST FOR TEST SET RC 54 A FOR TESTING COMPONENTS OF RECEIVING EOUIPMENT QUAN DESCRIPTION W E DWG NO I I I I I I I I 3...

Страница 23: ...MODULATOR UNIT AND RADIO TRANSMITTER ENERGIZED THERE WILL BE APPROXIMATELY ONE VOL T DROP IN THE LEADS QUAN DESCRIPTION 2 i tc0RDS CD 524 MOOULATOR UNIT BC 456 A BOR E TO lEST UNI 1 85 A AND TEST UNIT...

Страница 24: ...IEW I WIRING COLOR CODE a PL END hEW OF PLUG PL J58 CONSISTS OF PLUG PL 119 ALL IT E MS IN THIS BL OCK DISCONTINUED ON LATER MODEL SO MARKED 754 5 TOGETHER WITH FERRULE ASSEMBLY 7639 r 1i i f j BLACK...

Страница 25: ...234 A 0 t j NOTE I RESTRICTED Section V AN 08 40SCR274 2 TEST UNIT 1 85 A TO RACK FT 234 A AN TENNA RELAY I T l BC 442 A I I 1 ANTENNA POST I ON RADIO L TRANS TER TO GROUND BINDING POST ON RACK FT 23...

Страница 26: ...VER WEIGHT OF UNITS TO BE COMPONENT INSTALLED PARTS 5 7 LBS 0 3 3 0 0 1 O I 0 7 I 1 3 2 0 8 2 2 3 1 0 3 4 0 0 2 0 13 0 17 0 12 i 616 1 3 1 5iS 616 7 I 1 104 1 TVPIGAL REAR VIEW OF RADIO RECEIVERS RACK...

Страница 27: ...CK AND MOUrmNG TWO TRANSMITTERS RAOK FT 2 26 A AND MO TING FT 227 A SHOWN TYPICAL SIDE VIEW OF TRANSMITTER RACK AND MOUNTING figure 5 6 Radio Set SCR 274 N lnstallation Dimensions and Weights Of Trans...

Страница 28: ...FT 240 A 1 7 RADIO CONTROL BOX BC 451 A AND MOUNTING FT 228 A 0 9 ANTENNA AELAY UNIT BC 442 A AND MOUNTING FT 229 A 2 2 ANTENNA RELAY UNIT BC 4 42 AM AND MOUNTING FT 229 A 2 0 MODULATOR UNIT BC 456 A...

Страница 29: ...SHALL BE NO CROSS OVERS IN THE WIRES BETWEEN THE BACK PLATE AND INSULATOR ASSEMBLY E ASSEMBLE INSULATOR INTO SHELL AND REPLACE SCREW F REFERENCE MAY BE MADE TO AIR CORPS SPECIFICATIONS AND OTHER AIR C...

Страница 30: ...05 INSIDE DIA MET ER OF C ASING 242 000 PARALL EL WITH FLATS ON SHAFT CR IMPING DETAIL CASING REMOVED NOTES I CUT SHAFTING TO REQUIRED LENG T H L 2 WITH CASI NG STRETCHED OUT T O MAX LENGTH CU T CASIN...

Страница 31: ...SHAFT MC 215 TUNING SHAFT Me 215 TUNING SHAFT MC 215 RADIO RECEIVER BC 455 A OR BC 455 B 6 0 9 1 MC RACK FT 220 t O PRIMARY WHITE I SOURCE t 24 28V D C BLACK r RADIO RECEIVER DYNAMOTOR BC 453 A OR PL...

Страница 32: ...TIIANSMlssiOH S OAAlI 5 oJ 0 A PS O 4 ESr 9 oA EST 9 S AMP s 533 28V POWER SUPPi Y 534 2 V INTERPHONE HEAoSEr CONNEcnoNS CON ECT 53 A W I RE S 3I A TO R I OR COMMAND SET POSITIOIY 53Z 8 IN INrGRPI OH...

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