Westinghouse Type KR Installation & Operating Instructions Manual Download Page 16 | Manualshive

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E L E C T R I C A L P A R T S L I S T

CI RCUI T

FUNCTION

DESC R I P T ION

MANUFACTU R ER'S

SYMBOL

DESI GNATION

FUSE HOLDERS

FH- 1

B-

For Type 3AGC Fuses

584C 27 1 H0 2

FH-2

B+

Same as FH- 1

FUSES

F- 1

B-

3AGC 3/4

amp.

S�t330C69 1 H 12

F-2

B+

Same as F- 1

FILTERS

FL- 1

Rcvr. RF Bandpass

30

to

200 kHz

0

or

Freq. to be specified

F'L-201

b y customer

F'L-2

Rcv r .

lF'

Bandpass

20-kHz

Fixed Freq.

54 1 D086G0 1

0

t<'L-3

Trans mitte r Output

30- 200 kHz

407C772G0 1

CONNECTORS

J- 1

Printed Circuit

Printed Circuit Female

54-B-7 1 25 H03

Plug

J-2

RF

Input

UG-185-U

584C292 H07

J-3

Rcvr. Osc. Output

Terminal Studs

330C592 H0 1

J-4

Rcvr. Mixer-Amp

Same as J-3

Supply

J-5

Rcvr. Osc. Supply

Same as J-3

J-6

Q-5 Bas e

Same as J-3

J-7

B-

Same as J-3

J-8

Q-6 Supply

Same as J-3

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Summary of Contents for Type KR

Page 1: ...or Page 8 25 Volt Resistor Unit Page 8 Frequency Change Page 8 Maintenance Page 9 Application Page 13 Electrical Par t s List Page 14 L I ST O F T A B L ES Table 0 1 D C Pin Jack Measurements with Ref...

Page 2: ...ry Control and Sleet Detection Facilities are provided for a piug in t ype voice adapter The basic design is for operation from 125 volt station batteries However the apparatus may also be oper ated f...

Page 3: ...the board and pull them out as far as they will extend 5 Pull board down to disengage the terminals and lift out The transmitter output filter may be removed by removing four mounting screws from the...

Page 4: ...by connecting or disconnecting resistors R 73 and R 74 in the IF stages The receiver oscillator Q 2 and Q 3 is basic 4 ally the same as the transmitter oscillator The frequency is 20 kHz above the inc...

Page 5: ...tion occurs the CARRIER START contact opens applying a positive voltage see Figs 4 and 5 to t erminal 15 of the carrier set This puts a potential on the driver stage in the trans mitter and arso appli...

Page 6: ...ns will vary s lightly de pending on the application but in general will be as follows Refer to the Schematic Diagram Fig 2 Terminals 11 Ground 12 Coaxial Cab le 13 and 19 Supervisory Preference Conta...

Page 7: ...ted for this leve Disconnect the coaxial cable and connect a 60 ohm non inductive resistor and a VTVM across terminals 1 1 and 12 Energize the transmitter and output control R 42 for the same output a...

Page 8: ...pacitors are 140 mmf each C AUT10 N Turn power OFF before removing filters or transistors as high transient currents may cause perm anent damage to the transistors M A I NT E N A N C E Voltage values...

Page 9: ...se can be obtained from calculations or by measurements For example if the interfering transmitter volt age is measured at the receiver and found to be 2 5 volts this would be 10 db down from 8 volts...

Page 10: ...0 v 20 v 20 v 20 v DC Rx B J 4 20 v 20 v 20 v 20 v DC Rx Osc J 5 7 V 7 v 7 V 7 v DC Q 5 Base J 6 20 v 20 v 20 v 20 v B J 7 DC P 1 E J 8 1 10 v 3 2 v 1 10 v 32 v 1 10 v 32 v DC Q 7 Base J 9 69 v 0 v 78...

Page 11: ...20 0 0 4 Q 2 7 7 2 1 8 7 7 2 1 8 Q 3 6 2 8 0 2 6 2 8 2 0 Q 4 20 0 20 0 2 6 20 0 20 0 2 8 Q 5 20 0 20 0 2 6 20 0 20 0 2 8 Q 6 129 VDC 1 10 1 10 1 29 1 15 1 14 129 51 VDC 32 3 2 51 32 32 51 Q 7 1 29 VDC...

Page 12: ...ed Rx With Signal C Tx Unblocked Rx No Signal 12 Check Point FL 1 5 to Gnd T1 1 to Gnd Q1 E to Gnd Q1 C to Gnd T3 1 to Gnd Q4 C to Gnd Q4 C to Gnd J6 to Gnd Q5 C to Gnd Q6 B to Gnd Q6 C to Gnd T4 1 to...

Page 13: ...GNAL MEASUREMENTS FOR TRANSMITTER CHECK POIN T VOLTS T5 1 to Gnd 5 5 T5 3 to Gnd 1 0 J l3 to Gnd 0 085 QlO C to Gnd 6 0 T6 2 to Gnd 6 0 Q12 B to Gnd 0 8 Q 1 5 B to Gnd 0 8 Q l 2 C to Gnd 38 0 Q 15 C t...

Page 14: ...5 Bypass C 7 B to B Bypass 2 1 lf 5 330 VAC Paper C 8 B to GND 1 0 1 lf 10 330 VAC Paper tC 9 Xmtr Osc Feedback Same as C 2 C 10 Xmtr Osc Same as C 3 C 1 1 Key Filter 0 1 Jlf 20 200 VDC Paper C 1 2 Q...

Page 15: ...G I2 C 25 Q 7Emitter I2 mfd 20o c 200 VDC I87A1 77 HOI C 26 Q 7 Base Bypass OI mfd IOo c IOO VDC 763A2I9 HI5 D I O DE S CR I Bridge Rectifier General Purpose IN63 584C433 H02 CR 2 Bridge Rectifier Sam...

Page 16: ...cvr RF Bandpass 30 to 200 kHz 0 or Freq to be specified F L 201 by customer F L 2 Rcvr lF Bandpass 20 kHz Fixed Freq 54 1 D086G01 0 t L 3 Trans mitter Output 30 200 kHz 407C772G01 CONNECTORS J 1 Print...

Page 17: ...3 J 14 Q 10 Supply Same as J 3 J 15 Output Filter Banana Tip Red 328C09 3 HO1 J 16 Output Filter GND Banana Tip Black 3 28C09 3 H0 2 I P 1 Printed Circuit Printed Circuit Male 54 B 7126 H0 3 I Plug I...

Page 18: ...5H02 Q 8 Xmtr O sc Same as Q 2 Q 9 Xmtr Osc Same as Q 2 Q 10 Xmtr Amp Same as Q 1 Q 12 Xmtr PA Type 2N657 184A638H1 5 Q 15 Xmtr PA Same as Q 12 RESISTORS R 1 Rec Input 25 K 20 1 4 W Pot 584C276 H23 R...

Page 19: ...Osc Bleeder 2 2 K 10 1 2 W 3 30C595 H41 R 17 Rcvr Osc Bleeder 18 K 10 2 W 330C597 H40 R 18 Rcvr Osc 9 1 K 5 1 2 W 330C664 H72 R 19 Q 4 Bias 100 Ohms 5 1 2 W 330C664 H 25 R 20 Q 4 Bias Same as R 2 R 2...

Page 20: ...e as R 2 R 37 Q 9 Collector Same as R 6 R 38 Key Filter Same as R 23 R 39 Buffer Voltage 36 K 5 2 W 330C668 H86 Divider R 40 Buffer Voltage Same as R 39 Divider R 41 Buffer Voltage Same as R 2 Divider...

Page 21: ...W 584C4 16 H57 R 62 Recvr Bleeder 350 Ohms 5 25 W 584C416 H52 R 64 Xmtr Bleeder 1200 Ohms 5 25 W 584C416 H64 R 66 T 7 Load 560 Ohms 5 2 W 330C668 H43 R 67 Xmtr Blocking 10 Ohms 5 2W 330C668 HO1 R 68...

Page 22: ...25 K 205C043G03 300 ohms T 4 IF Output Impedance Ratio 4 K Stt1 962693 L 592289 500 ohms T 5 Xmtr Osc Same as T 2 T 6 Xmtr Buffer Impedance Ratio 10 K 265C864G01 400 ohms CT T 7 Xmtr Output Impedance...

Page 23: ...Octal Same as X 1 Same as X 1 Crystal Same as XY 1 CRYSTALS Specify Channel Freq Plus 20 kHz Specify Freq Same as Channel Frequency RESERVE SIGNAL DETECTOR S 470D 167G02 200 K 2 W Pot R 2 Resi stor L...

Page 24: ...LE r I 18 2 I l _j_ I L l RE LOWANCE FOR 9d lNG OF COVER OIA 10 HOLES OIA 2 HOLES I 2 r 6 8 OUTLI OUTLI NE OF CASE NE OF COVER ORILL gllp HTIIIG FOR p CTO SCALE 1 r 1 F 1 I _ l 1 I I I 32 t _j_ 32 L 1...

Page 25: ...MA Ill fZ 1 RE L A YING CA RRieR S To P S T AP 28 V IN f 40 v 1 f 4tJ V O U T KR REL A YING TR ANSMITTER R EC V EX TERNAL CO NNECTION S TER MIN4 L C O JAIFCT t l i II GRCJUA D CtJA Y IAL C ABLE 1 3_ S...

Page 26: ...I 2 COA XIA L CA B L E G VO L TS 0 VOLTS 1 3 5 UPERI tS ORY PRE FE REIJCE CONT A C T I 4 CARRIER ST O P B RETURN 1 5 CA RR CR START POSir VE t 6 1l L ARM CU70FF FOR CO M V IUNICATIOJIS 1 1 13 tv1 AJ U...

Page 27: ...7 1 8 9 2 0 G O U I D CC 4 Xt L L AL E SUPC R SCR P f F FFRENCi CCJNT AG T A RI S Tu P 6 f E TUI J CA R R IER ST 1 T o s T v A t L RM Ct JrOFF FOR COPTMUI IC C TICJ S B M IJUS RRIER STOP fll kZM 8 P...

Page 28: ..._ _ _ _ _ _jL fv 1 I J c J Q IS c J G IZ J 4 TP i JJt i JLK CD TPS X 4 0 0 CD TP J i l JIZ F L Zol D o Jl RCD 4 TP 7 I X rt I TZ c J SOCH O _c 8 l_ r z c 9 _ _ I I F L 20 I r r r t I 1 I I c li Q S D...

Page 29: ...POLAR IT f SHOWN CLOSES CONTACT BETW EEN TERMINALS 4 6 6 5 WI D E x 2 DEEP TWO SLOTS 16 8 J J 2 I 2 3 4 5 6 7 B I I I I AS VIEWED FROM REAR OF PANEL 1 i J 22 1 l 4 leo t 629A552 I IC 1 J J u _j e 1 _...

Page 30: ...A M P COM 2 5 R8 R 7 R O POWER CONSU PT I ONS 303 WATTS AT 258 v 390 WATTS AT 2 80 v NOTE KR SUPPLY VOLTAGE W I LL BE APPROX I MATE LY VOLTS UNDER STANDBY COND I T I ON WHE N BATTERY VOLTAGE I S 280...

Page 31: ...0 1 1 6 40 3 KHZ 45 0 K H Z L 1 1 2 3 6 6 8 1 0 1 1 7 43 0 KHZ 49 0 K H Z L 1 1 2 3 6 6 8 9 1 1 8 47 7 KHZ 56 0 K H Z L 1 1 2 3 6 6 8 1 1 9 49 5 KHZ 58 5 K H Z L 1 1 2 3 6 6 8 9 1 0 1 0 57 0 KHZ 72 3...

Page 32: ..._ _ _ _ 1 0 9 8 7 z 6 0 t oo 5 u 4 t CD 0 3 2 1 0 34 I v I I I I J S I I iL I I I I I If J Jl Jv 25 20 1 5 1 0 5 f 5 1 0 1 5 20 25 c FREQUENCY KHZ Fig 10 Transmitter Output Filter Selectivity Dwg 3779...

Page 33: ...EF l 2 1 9 DI A 4 HOLE S ly T I R2 r I 8 CON N ECT TO TRANSMITTER CAR RIER START TERM I N A L l _ _ R l I 200 1 I J f APPLY B SC H E M AT I C 8 8000 OH M S FOR 2 5 0 VOLT TC C A R R I E R O NLY 2000 O...

Page 34: ...__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ ___ l 50 45 4 0 35 1 i 30 25 U 2 0 II 15 0 5 0 I 2 I Fo I 2 FREQUENC Y KH Fig 12 Receiver Selectivity Curve 377993 36 w w w E l e c t r i...

Page 35: ...s 26 DB max Including tching resistor INPUT FILTER TEST CIRCUIT I t I 1 I I I I L K E H E FOR BOTH FILTERS LEADSSHORT DB 20 LOG V2 35 i W I I I W DB 15 r 71 I I I I I 74 to 44 I I A I I VA 5 0 1 I r Z...

Page 36: ...I4J t 0 BY 0 1 0 38 5 KH2 4 KU 3 KHl 2 I UZ t KHZ ZERO DB cS VOL TS MINIMUM CH ANNEL SPACI NG FOR I Y D CARR R ISPPS Fig 14 M inimum Channel Spacing Curve 377998 10 0 8V 0 20 3 0 40 l30MV so w w w E...

Page 37: ..._ _ I _ L _ 4 _ 1 _ 94 ____ 1 1 K f __ rn 1 8 F _ _ r _ _ _ _ _ _ _ 1 Coaxial Lead 756D346 G0 2 L___ __ __ __ w_ I B LA CK I 8 n_ 1 Output Lead 756D346 G03 Main Harness 756D346 G04 Fig 15 Test Harness...

Page 38: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 39: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 40: ...W E S T I N G H O U S E E L E C T R I C C O R P O R A T I O N R E LAY I N STRUM E NT DIVISION CORAL SPRINGS F L Printed in U S A w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 41: ...quency Change Page 8 Description Maintenance Page 9 General Page 3 Application Page 13 Mechanical Page 3 Electrical Par t s List Page 14 Electrical Transmitter Page 4 L I S T O F T A B L E S Receiver...

Page 42: ...ing Tran smitter Receiver i s designed for Distance Rel aying Telemetering Supervisory Control and Sl eet Detectio n Facilities are provided for a plug in t ype voice adapter The basic design is for o...

Page 43: ...ings in battery and charger requirements Transistors perform the same functions as vacuum tubes However tubes operate by the flow of elec trons in a vacuum between elements while transis tors depend u...

Page 44: ...uired as shown in Fig 8 E l ectrical Transmitter The transmitter is made of four main stage s in 4 eluding an oscill ator driver power amplifier and an output filter In th e oscillator the cry stal is...

Page 45: ...figuration of the network is a function of supply voltage and ap plication Relaying Telemetering etc and is discussed in the Adjustments section Output may be stopped in several ways The method used w...

Page 46: ...ier start operation occurs the CARRIER START contact closes applying the full battery supply voltage to terminal 15 of the carrier set This puts a potential on the driver stage in the transmitter and...

Page 47: ...r range to tune the filter to r esonance 3 Insert fuses F 1 and F 2 to apply power to the apparatus 4 Connect an A C Vacuum Tube Voltmeter VTVM across the non inductive load Internal Neces sary intern...

Page 48: ...l e to ob tain 1Q ma output cur rent with control R 1 in the maximum clockwise position clip out resi stor R 74 which is connected to the base of Q 4 If the gain is still insuf ficient clip out r esis...

Page 49: ...re ceiv er refer to Table 4 5 For typical RF signal measurements for transmitter refer to Table 5 6 Rem oval of Printed Circuit Board from Flexitest Case To remove the printed circuit board unplug J...

Page 50: ...v o v DC Q 7 Emit J 10 70 v 1 0 v DC Tx Osc J 1 1 7 V 7 V B J 12 1 29 v 5 1 v DC Q 10 Base J 13 DC Q 10 Emit J 14 RF rna out J 15 DC rna RRH and AL ARM t With 2000 ohm resistor and Sigma relay t t T...

Page 51: ...t Ct Q 1 20 0 20 0 0 38 20 0 20 0 0 4 Q 2 7 7 2 1 8 7 7 2 1 8 Q 3 6 2 8 0 2 6 2 8 2 0 Q 4 20 0 20 0 2 6 20 0 20 0 2 8 Q 5 20 0 20 0 2 6 20 0 20 0 2 8 Q 6 1 29 VDC 1 10 1 10 1 29 1 15 1 14 129 5 1 VDC...

Page 52: ...B Tx Blocked Rx With Signal C Tx Unblocked Rx No Signal TABLE 4 TYPICAL R F SIGNAL MEASU REMENTS FOR RECEIVER Made with 0 1 Volt at T erm inal 5 of FL 1 25 MY 80 MY 250 MY Check Point Sensitivity Sens...

Page 53: ...transmitter volt age is measured at the receiver and found to be 2 5 VOLTS 5 5 1 0 0 085 6 0 6 0 0 8 0 8 38 0 38 0 9 8 8 0 volts this would be 10 db down from 8 volts This point can be located on the...

Page 54: ...ided into two separ ate sections The sel ectivity shown is for each section and the pin connections for each section ar e also shown in the test circuit sk etch 6 Supervisory Control Connections Fig 7...

Page 55: ...5 2500 VDC Mica 1 330C56 1 H 2 1 C 22 Output Filter 1200 flflf 5 2500 VDC 1 330C561 H27 Mica C 24 FL 2 Decoupling Same as C 12 C 25 Q 7 Emitter 2 0 mfd 20 200 VDC 1 330C567 HO l CRYSTAL DIODES CR 1 Br...

Page 56: ...FILTERS FL 1 Rcvr RF Bandpass Freq to be 30 kc to 60 kc 1 4680339 specified by 60 kc to 1 10 kc 1 4680340 customer 1 10 kc to 200 kc 1 4680341 FL 2 Rcvr IF Bandpass 20 kc Fixed Freq 1 4680338 CONNECTO...

Page 57: ...ame as J 3 J 15 Output Filter Banana Tip Red 1 328C093 H0 1 J 16 Output Filter GND Banana Tip Black 1 328C093 H02 P 1 Printed Circuit Printed Circuit Male 1 54 B 7 126 H03 Plug INDUCTORS L 1 Core and...

Page 58: ...R I C A L P A R T S L l S T DESCRI PTION TRANSISTORS Concluded Same as Q 2 Same as Q 1 Same as Q 1 Type 2N 332 or 2N l 149 Type 2N 1 156 Same as Q 2 Same as Q 2 Same as Q 1 Type 2N498 Same as Q 12 RES...

Page 59: ...10 1 2 W 1 330C595 H41 R 17 Rcvr Osc Bleeder 18 K 10 2 W 1 330C597 H40 R 18 Rcvr Osc 9 1 K 5 1 2 W 1 330C664 H74 R 19 Q 4 Bias 100 Ohms 10 1 2 W 1 330C595 H 13 R 20 Q 4 Bias Sam e as R 2 R 2 1 Q 5 Bia...

Page 60: ...R 1 1 R 36 Q 9 Base Same as R 2 R 37 Q 9 Collector Same as R 6 R 38 Key Filter Same as R 23 R 39 Buffer Voltage 36 K 5 2 W 1 3 30C668 H86 Divider R 40 Buffer Voltage Same as R 39 Divider R 4 1 Buffer...

Page 61: ...1 584C416 H47 R 62 Recvr Bleeder 350 Ohm s 5 25 W 1 584C416 H52 R 64 Xmtr Bleeder 1200 Ohm s 5 25 W 1 584C416 H64 R 66 T 7 Load 560 Ohm s 5 2 W 1 3 30C668 H43 R 67 Xmtr Blocking 10 Ohm s 10 2 W 1 330...

Page 62: ...71 300 ohms T 4 IF Output Impedance Ratio 4 K 1 L 592289 500 ohms T 5 Xmtr Osc Same as T 2 T 6 Xmtr Buffer Impedance Ratio 10 K 1 L 592170 400 ohms CT T 7 Xmtr Output Impedance Ratio 1930 1 L 633000 6...

Page 63: ...ptor XY 1 Rec Y 1 Crystal 1 50 D 9790 H0 1 XY 2 Xmtr Y 2 Same as XY 1 CRYSTALS Y 1 Rcvr Osc Specify Channel Freq 1 3 280083 Plus 20 kc Y 2 Xmtr Osc Specify Freq Same as 1 328C083 Channel Frequency SLE...

Page 64: ...I 4 I 4 1 1 I 4 1 8 II 1 t K K h K n DJ J7_ R I 1 i oJA JO HOLES 23 9 i 2 i6 DIA 2 HOLES 5 11 cuTpur f J L E J L I t 14 r 2 2 4 1 OUTLINE OF CASE 1 0UTLJIJE OF COVER l__ 6 1 8 DRILLIIKi PLJII FOR PROJ...

Page 65: ...L T AGc ST AI T S V O C SI V 7MA I 2 9 VOC 12 V 8MA 2 58 VDC 258V 8MA 1 7 CSP Ill I HZM RELA YIWG A R IE l S TO P S T AP Z8 V IN 40 v 1 1 f 4 v tJ U T KR REL A YING TR A AI SMIT TER Ji ECV EX TERNAL C...

Page 66: ...oJS TE RMINAL COAINE CTifJI I G eO UNO I 2 COA IAL CABL E 13 SU E IISO Y PREF L liEAICI COMT ACT I f C ARRIER Sl OP 1 fi ETLifllll N IS CA t E ST AifT tJSIT IV 161 A I AilM CU7 tJFI F llt COMMUftJicA...

Page 67: ...I T TE RECV EXTERN AL CONNeCT Oti S TERMitiAL C OIJAJEC TIO I I tfi OiiAIO r OR R USE OJ IMIT E VITI EOUS ENAMELED lJ VIO J IM AD JUS TA S l e 4K 0 2tJ 2 SW RESIST R COJ JJJEGT ADJUST F O C V ALUES SH...

Page 68: ...1 l1 L _ JI I r 11 I L_ l r 11 1 II II JL cv o c J q S c 5 c J D TP4 q z D D D TP TP TPI J J J3 Q 0 D So o TP 7 R o 42 0 T TZ yM J l _ if I JLI D J 2 Q8 X YZ q z J TPS c Jcz 7 J Flo o zQ R _ R 0 2 R...

Page 69: ...5 l5TOR o fl l A S T RANS REC UN tT W 0 100 SCONTROL __9 3 3 K 2 W C O M PON E NTS 2 l MOUNT D N v 4 SU PERVISORY 7 CA B I N ET L 1 __ __ s ALA R M COI L EH NOT t N CI RCU IT SfqMA RELAV T Y PE 7AO Z...

Page 70: ...i 2 5 R 8 R 7 t I I A M P POWER CONSUMPT I ONS 303 WATTS AT 258 v 390 WATTS AT 2 80 v MOTE KR SUPPLY VOLTAGE W I LL BE A PPROX I MATE LY VOLTS UNDER STANDBY COND I T I ON WHEN BATTERY VOLTAGE I S 280...

Page 71: ...4 89 3 KC 114 5KC 15 102 7KC 147 0KC l i 136 6KC 210 0KC COIL L 1 L 1 L 1 L 1 L 1 L 1 L 1 L 1 L 1 L l L 2 L 2 L 2 L 2 L 2 L 2 COIL CONNECTIONS i l l 5 1 5 1 2 l 2 1 2 l 2 1 2 1 2 1 4 1 4 l 4 1 4 1 4 1...

Page 72: ..._ _ _ _ _ _ _ _ _ _ _ 10 9 8 7 6 5 1 8 3 2 1 0 34 I I i I I I I If I I I I I I l J Jl v 25 20 15 10 s F 5 c 10 15 20 zs FREQUENCY KC Fig 10 Transmitter Outp ut Filter Selectivity Dwg 377996 w w w E l...

Page 73: ...C07 i01 0 PUSH FOR SLEET TEST 5 0 0 l l 0 T L______ t j ___ _ _ _ 4 L 2 MAX C C W PoSITION PE MIS 5 1 5lE CONTI tOL VARIATION 0 db l WATT C OO OHMS TO 40db O t M LIWATT SCH EMATI C t I I I I I I I L_...

Page 74: ...I tt1 1 L 1 1 e l 4 f I J v v RECEIV ER SENSITIVITY 40 M V A T 12 9 VDC T RANSMIT TER OLITPUT 0 W AT 2 9 VDC r 1 0 W a S O VOLT S A T CoO OHM S F REQli NC Y a 2 0 KC T EMPERA Tl R 2 5 C I I I I I v v...

Page 75: ...se I s I N CREASING 5EN51TIVITY f I NCREASING OUTPUT I T RA NSMITT ER OlfT Pl T _ I I I I I I I r I R C 1V R S N str VITY 40 M V A T 120 KC I L 40 0 T RANSMITTER OlfT PUT 1 0 W A T 20KC t O W 8 0 VOL...

Page 76: ...TYP E K R CARRI ER SET 5o 46 a5 50 25 V 20 IS 0 6 0 I 2 I Fo I 2 FREQUENCY Kc Fig 14 Receiver Selectivity Dwg 377993 38 w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 77: ...ection FL 2 requirement with typical selectivity curve Insertion loss 26 DB max Including matching resistor DB 1 7 7 T i Fr 1 40 I L 1 RF FILTER TEST CU2CUIT I 6 J L Y 30 1 4 I 2 Z FREQUENCY KC FL 1 R...

Page 78: ...T 50 80NV 40 90 20 0 BY 0 1 0 40 ZERO DB VOl TS IN MUM CHANNEL SPACIN i FOR KEYED CARRIER ISPPS Fig 16 Minimum Channel Spacing Dwg 377998 10 0 BV 10 eo s o 40 tJOMV 50 w w w E l e c t r i c a l P a r...

Page 79: ..._ _ _ _ _ _ _ _ _ _ _ __ I L 4 1 94 l l f Jn DtJ 8 r Coaxial Lead 756D346 G0 2 8 _ B LA _ C_ K_ 1 Output Lead 756D346 G03 BUICK 1 8 Main Harness 756D346 G04 Fig 17 Test Har ness Complete Set 41 w w w...

Page 80: ...W E S T I N G H O U S E E L E C T R I C C O R P O R A T I O N R E LAY I N STR U M E N T D IVI S I O N N EWAR K N J Printed in U S A w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 81: ...rol Circuits Page 5 Sleet Detector Page 5 Communications Page 5 Relaying Control Circuits Page 5 Installation General Page 6 Connections External Page 6 Internal Page 7 SUPERSEDES I L 4 1 941 Denotes...

Page 82: ...ter Receiver is designed for Distance Rel aying Telem etering Sup ervisory Control and Sleet Detection Facilities are provided for a plug in type voice adapt er The basic design is for operation from...

Page 83: ...ery and charger requirements Transistors perform the same functions as vacuum tubes However tubes operate by the flow of elec trons in a vacuum between elements while transis tors depend upon the move...

Page 84: ...s shown in Fig 3 The panel cutout information necessary for mounting the Sleet Detector is shown by Fig 9 This unit consists of a potentiometer and pushbutton switch mounted on a small panel itself su...

Page 85: ...ransmitter driver has no emitter bias which results in no output Positive voltage applied to terminal 15 supplies this bias through a voltage dividing network and transmitter output results The actual...

Page 86: ...functions be in use at the same tim e Should carrier now be received from the remote station the hold coil and alarm coil will energize through transistor Q 7 in the receiver When carrier start operat...

Page 87: ...r a higher or lower range to tune the filter to resonance 3 Insert fuses FL 1 and FL 2 to apply power to the apparatus 4 Connect an A C Vacuum Tube Voltmeter VTVM across the non inductive load Tuner o...

Page 88: ...10 ma output current If it is impossible to obtain 10 ma output current with control R 1 in the maximum clockwise position clip out resistor R 74 which is connected to the base of Q 4 If the gain is...

Page 89: ...pical RF signal measurements for transmitter refer to Table 5 6 Removal of Printed Circuit Board from Flexitest Case To remove the printed circuit board unplug J 15 and J 16 located near the output fi...

Page 90: ...ONDITION A Tx Biocked t t Rx No Signal 129 VDC 5 1 VDC 0 0 20 v 20 v 20 v 20 v 7 V 7 V 20 v 20 v l lO V 3 2 v 69 v o v 70 v 1 0 v 7 V 7 V 1 29 v 5 1 v t With 2000 ohm resistor and Sigma relay t t Tx t...

Page 91: ...0 0 4 Q 2 7 7 2 1 8 7 7 2 1 8 Q 3 6 2 8 0 2 6 2 8 2 0 Q 4 20 0 20 0 2 6 20 0 20 0 2 8 Q 5 20 0 20 0 2 6 20 0 20 0 2 8 Q 6 1 29 VDC 1 10 1 10 1 29 1 15 1 14 1 29 5 1 VDC 32 32 51 32 32 51 Q 7 1 29 VDC...

Page 92: ...al B Tx Blocked Rx With Signal C Tx Unbl ocked Rx No Signal 12 Check Point FL 1 5 to Gnd T1 1 to Gnd Q1 E to Gnd Q l C to Gnd T3 1 to Gnd Q4 C to Gnd Q4 C to Gnd J6 to Gnd Q5 C to Gnd Q6 B to Gnd Q6 C...

Page 93: ...the receiver and found to be 2 5 VOLTS 5 5 1 0 0 085 6 0 6 0 0 8 0 8 38 0 38 0 9 8 8 0 volts this would be 10 db down from 8 volts This point can be located on the right hand column of the graph Then...

Page 94: ...Both filters are of the plug in type and the test circuits with pin connections are show n at the top of each curve The IF filter is divided into two separate sections The selectivity shown is for ea...

Page 95: ...2500 VDC Mica 1 330C561 H 1 C 22 Output Filter 1 200 1111f 5 2500 VDC 1 330C561 H 27 Mica C 24 FL 2 Decoupling Same as C 1 2 C 25 Q 7 Emitter 2 0 mfd 20 200 VDC 1 330C567 H01 CRYSTAL DIODES CR 1 Brid...

Page 96: ...FILTERS FL 1 Rcvr RF Bandpass Freq to be 30 kc to 60 kc 1 4680339 specified by 60 kc to 1 10 kc 1 4680340 customer 1 10 kc to 200 kc 1 468034 1 FL 2 Rcvr IF Bandpass 20 kc Fixed Freq 1 4680338 CONNECT...

Page 97: ...15 Output Filter Banana Tip Red 1 328C093 H0 1 J 16 Output Filter GND Banana Tip Black 1 328C093 H0 2 P 1 Printed Circuit Printed Circuit Male 1 54 B 7 126 H03 Plug INDUCTORS L 1 Core and Coil 1 1 MH...

Page 98: ...N 1 156 1 330C587 H0 1 Q 8 Xmtr Osc Same as Q 2 Q 9 Xmtr Osc Same as Q 2 Q 10 Xmtr Amp Same as Q 1 Q 1 2 Xmtr P A Type 2N498 1 330C587 H 12 Q 15 Xmtr PA Same as Q 1 2 RESISTORS R 1 Rec Input 25 K 20 1...

Page 99: ...R 16 Rcvr Osc Bleeder 2 2 K 10 1 2 W 1 330C595 H41 R 17 Rcvr Osc Bleeder 18 K 10 2 W 1 330C597 H40 R 18 Rcvr Osc 9 1 K 5 1 2 W 1 330C664 H74 R 19 Q 4 Bias 100 Ohm s 10 1 2 W 1 330C595 H 13 R 20 Q 4 B...

Page 100: ...1 1 R 36 Q 9 Base Same as R 2 R 37 Q 9 Collector Same as R 6 R 38 Key Filter Same as R 23 R 39 Buffer Voltage 36 K 5 2 W 1 330C668 H86 Divider R 40 Buffer Voltage Same as R 39 Divider R 4 1 Buffer Vo...

Page 101: ...84C416 H47 R 62 Revr Ble eder 350 Ohms 5 25 W 1 584C4 16 H52 R 64 Xmtr Bleeder 1 200 Ohm s 5 25 W 1 584C416 H64 R 66 T 7 Load 560 Ohm s 5 2 W 1 3 30C668 H43 R 67 Xmtr Blocking 10 Ohm s 10 2 W 1 330C66...

Page 102: ...71 300 ohms T 4 IF Output Impedance Ratio 4 K 1 L 592289 500 ohms T 5 Xmtr Osc Same as T 2 T 6 Xmtr Buffer Impedance Ratio 10 K 1 L 592170 400 ohms CT T 7 Xmtr Output Impedance Ratio 1930 1 L 633000 6...

Page 103: ...r Mounted Same as X 1 Voice Adaptor XY 1 Rec Y 1 Crystal 1 50 D 9790 H0 1 XY 2 Xmtr Y 2 Same as XY 1 CRYSTALS Y 1 Rcvr Osc Specify Channel Freq 1 3 28C083 Plus 20 kc Y 2 Xmtr Osc Specify Freq Same as...

Page 104: ...CALE 19 t f IJ ll b_ ____ _L 13 REF 32 t FL lll l I _j_ 1 2 32 8 MJ I I t _ I 1 q rurr 5 ________ I T f 16 T r l 3 L__ I 1 1 t 1 L ____L_j t IIIEi tllllj I L _ c j 2 901 5 802 THIS DIMENSION APPLIES O...

Page 105: ...__ __ __ __ __ 27 1 I I I I I EX Sf MO 2 h LS IN CASE _ _j L_ _ r s x4 5 s _ _ _ _ __ _ A _ _ _ _ _ _ __ _ __ _ s li O A IN c s C ISE T 4P t3e 3Z 3 H oL C r J A I 2 EA E N D T oT AL 4 _ Fig 3 Modified...

Page 106: ...H tJI C I C 8 1 Pi Jl I A X3 I 8 J 6 8F e64 BF 3 1 BF X 4 B x3 S BF R I 8 JI L h JI 8 B Rear Mounting Voice Adapter Dwg 756Q204 Sub 12 28 I L 41 94 1A X3 BorrOM Vtc R Lt P LAN A w w w E l e c t r i c...

Page 107: ...I I I I I II I 1 11 I I i Ti _ _ 1 r jl 1 Ill iii l bb X4 L coAd PoN NT x 4 SR 4C 4 erA E 1 N c voco N LV w E N U N r h A5 BEEN 140 0 C eO o e REAR Mo t AI Ir N i CF V el ADAf T e t e 9W I Y tj 7 560...

Page 108: ...T E RY S UPPLY I q l j A S TRANS EC tJN IT w 0 IL q 100 5CONTRO L __s 3 3 K 2 W CO M PON E NTS 2 I MOUN TS D I N I 1000 0Hlv1S rl SU PERV I SORY D 7 CA I ti tT L _ _ _ _ __ J 5 AL A R M COI L 8 NOT I...

Page 109: ...RA T atV TRANSMI T TeR I IIZJZJ Jt PERS FRaM T P 7 TO T P 8 I TP 8 7 0 T P 9 f Al l Jt t fPt iRS ROM 7 5 TO J IZ J AZJZJ JIIHPt iR CROSS R 6 4 R Mt7Vc tft N Pe 7c eoss es9 R t P t R W s o e C A T I P...

Page 110: ...1 2 75 0 KC 88 0 KC 13 77 5 KC 93 0 KC 14 89 3 KC 11 4 5KC 15 102 7KC 147 OKC I 136 6KC 210 OKC COIL L 1 L 1 L 1 L 1 L 1 L 1 L 1 L 1 L 1 L 1 L 2 L 2 L 2 L 2 L 2 L 2 COIL CONNECTIONS i l 1 5 1 5 1 2 1...

Page 111: ..._ _ _ _ _ _ _ r _ L_ 4_ 1 9_ 4 1A 10 9 8 7 6 t ol i 5 1M _ _ 8 3 2 l 0 1 r 0 25 20 15 10 s I I I I I I I I I v I I I J v5 10 15 20 25 Fig 8 Transmitter Output Filter Select ivity Dwg 377996 3 3 w w w...

Page 112: ...L EET DEiECTOR STYLE 470DI 07GOI SLEET TEST 5 0 L PUSH FOR 0 1 4f 0 Fig 9 Sleet Detector Outline Dwg 329C703 Sub 2 CONNitCT To TRANS MITTER CAR Ril R STAR T TERMINA _1__ MAX C t W POSIT ION PE RMIS5...

Page 113: ...I T Y f tti it f1 4 1 v v l r f I f RECEIVER SENSITI VITY 40 M V A T 2 9 VOC T RANSMIT TER OUTPUT 1 0 W AT 12 9 VDC 0 W a 8 0 VOLT S A T coo OHM S FREQUENC Y 2 0 KC T EMPERA TURE 2 5 C I I I I I L 7 v...

Page 114: ...__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ 50 46 40 35 50 25 V 20 IS 0 6 0 IJ 2 I Fo I 2 FREQUENCY Kc Fig 7 7 Receiver Selectivity Dwg 377993 36 w w w E l e c t r i c...

Page 115: ...ch section FL 2 requirement with typical selectivity curve Insertion loss 26 DB max Including matching resistor DB 1 7 y r r r F c 4 to 40 t il 6 I I L7 2 30 t t i 4 I 2 2 FREQUENCY KC FL 1 Requiremen...

Page 116: ...__ __ __ __ __ __ _ _ __ __ __ __ __ __ ___ 50 80MV 40 0 BY 0 1 0 38 ZERO OB VOl T S vi NIMUM CHANNEL SPACI Nfq FOR KEY 0 CARRIER ISPPS Fig 13 Min imum Channel Spacing Dwg 377998 10 o av o 20 so 40 l...

Page 117: ...1 29 VDC OOV S MA t OLT5 2 58 VDC t OO V 8MA D VOI T5 tJO TES FOit II US tJJI 111 1 Vlr IJS EAI 4MEL l OJ VIPOHI I AD JlJS TA t e 4 K 0 ZI JK z SW F ESISTlJft COAf JeC T ADJUST r Oll V ALU S sHow D CO...

Page 118: ...TYPE K R CARRI E R SET w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 119: ...TE tNA L CO I J CTitJ I IS TE R VliNAL CONNE CTitJ 1 I I RO UNO 2 COA XIAL C ABL E 1 3 S UI E ISO Y f RE F E NEAIC CO T A CT l tf CARRIER S P 13 ETUIC N IS CA IVE it ST A T SITIV IS A I AilM CU7tJFfl...

Page 120: ...i I se s t I N CREASI NG SENSITIVITY 1 I NCREASING OUTPUT I T RA NSMITT ER OUT PUT I I I I I I i I RECEIVER S N SITIVITY 40 M V A T 20 KC I T RANSMITT ER OUT PUT l O W A T 20KC I 1 0 W B 0 VOLTS A T D...

Page 121: ..._ _ _ _ _ _ _ _ _ _ _ _ I L 4 1 9 4t A 8 r Coaxial Lead 756D346 G0 2 L_______ w B L A CK I 8 r Output Lead 756D346 G03 Main Harness 756D346 G04 Fig 1 9 Test Harnes s Complete Set 756D346 GO l 45 w w...

Page 122: ...c 1 SL AT COAX 0 f cf Y ELLOW 0 l GR EN ____ 5 lil 8 UE l_ _t 4H 1 I ITQQ i _j n 1 11 1 u LL p l J Fig 20 Voice Adapter Extens ion Mount ing Assembly Owg 7570650 Sub 3 46 w w w E l e c t r i c a l P a...

Page 123: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 124: ...W E S T I N G H O U S E E L E C T R I C C O R P O R A T I O N R E LAY I N STR U M E N T D E PARTM E N T N EWA R K N J Printed in U S A w w w E l e c t r i c a l P a r t M a n u a l s c o m...

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