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Teletype 42 CPS Circuit Diagrams

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DATA
Bl·r
I
DATA
BIT
DATA
BIT
5
6
DATA
BIT
7
DATA
BIT
r o m
1
(SINGLE CHARACTER
PRINTED I
+- 5 V
MAPL
(PRINT DOTI
PART OF
PRINT HEAD
ASSEMBLY
LEFT
MARGIN
J l 0 5
, .
I
.
I
L------
116
R3t
22�

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Summary of Contents for Teletype 42 CPS

  • Page 1 (PRINT DOTI PART OF PRINT HEAD ASSEMBLY LEFT MARGIN J l 0 5 +- 5 V 22� L------ r o m MAPL (SINGLE CHARACTER PRINTED I DATA Bl·r DATA DATA DATA DATA...
  • Page 2 MANUAL 385 Issue 4, December 1981 CIRCUIT DIAGRAM MANUAL 385 INTRODUCTION This manual provides circuit information extracted from the following repair manuals: 43 Teleprinter Basic KSR and RO Without Internal Data Set 442-42/43 Paper Tape Unit 522-TTL and SSI Logic Cards Used in 42/43 and 45 30 CPS Character Printers 523-Power Supplies Used in 42/43 and 45 30 CPS Character Printer Terminals Without Internal Data Set 525- Keyboards Used in 42/43 Basic Terminals...

  • Page 3: Table Of Contents

    INDEX PAGE LOGIC CARDS 4107 1 1 PAPER TAPE PUNCH AND READER LOGIC CARD......410740,410742,410786 AND 410788 PRINTER LOGIC CARDS......410745,410785 AND 410787 PRINTER LOGIC CARDS........410743 PRINTER LOGIC CARD ........... 410715 TOP O F FORM LOGIC CARD..........POWER SUPPL Y CIRCUIT CARDS 4104 77 PAPER TAPE PUNCH AND READER POWER SUPPLY CIRCUIT CARD (Issue 2A) .
  • Page 5 IQ2 I N TEGRATED CI R CUIT POWER CONNECTI O NS J·�· SWOTCH OPT< O NS Cl ,. CUI T NOTES: DESIGNATI O N TYPE I"AftT NO. LOiiC GNO . POWER GNO ti�VL MlS4 TTL 47<004 OFF. SWI T CH OPEN MLC.I , C2 TTL 335�29 ON:= CLOSED...
  • Page 6 410740,410742,410786 AND 410788 PRINTER LOGIC CARDS Note: CIRCUIT CARD COMPONENT LAYOUT PRESENT ON 410740 0.025 inch dot next to diode represents cathode. ISSUE 1B ONLY PRESENT ON 410740 ISSUE 1B .u06 ect -(LJ-CRU � :�:� If -c:Jo<" PRESENT ! I ) t.n)}::ll,l G!!J aooaaaaa...
  • Page 7 MANUAL 385, PAGE 2 • �D PRINT LEVEL CHART CIRCUIT NOTES: INFORMATION NOTES: a 2A 43 PRINTER LOGIC � 10\, VOLTAGE: VOLTAGE RANGE: 201. LOGIC DESIGNATION; i�i���Ep��f �- NUMBER INDICATES 410740 1ssuE 18 INPUT RESISTOR R3& +42V +37.8T0+46.2 MLEI PACKAGE PIN + 12V +108 TO +13 2 4 1 0742 ISSUE lA...
  • Page 9 MANUAL 385, PAGE 3 8 --- -·- CiRCUIT NOTES. 1NFORMATION NOTES. LEVEL CHART PRI N T 43 PRINTER LOGIC CARO LEVEL LEVEL LEVEL LEVE L LEVEL LEVEL LEVEL LEVEL LEVEL i�Ef��� � Ep�5�f INDICATES 410745 ISSUE 4 8 RANGE: 20!. LOI;IC DE SIGNATION. 10 I .

  • Page 11: 45 Printer Logic Card

    MANUAL 385, PAGE 4 45 PRINTER LOGIC CARD INFORMATION NOTES: C(RCUIT NOTES; 101 . VOLTAGE: VOLTAGE RANGE; 201. LOGIC DESIGNATION: 410743 ISSUE 4A +42V +37.8 TO +46.2 --NUMBER INDICATES +10.8 TO +13.2 PACKAGE PIN � +4.5 +5.5 CODE INDICATES LOCATION - �v -3.4 TO -4.6...

  • Page 12: 410715 Top O F Form Logic Card

    ® 410715 TOP OT FORM LOGIC CARD CIRCUIT CARD COMPONENT LAYOUT 1071 5 ASSEMBLy � �) ____. -;-.-;; -;-.-;; -;-.-;; ;-.-:- -;-.-; -;-.-; ;�, � D B $ cccoocooocoo - � HLB2 · J 1 0 3 "' � HL8 3 �:._·_: :._·_: :._·_: :._·_::._·_::_·...: acocccococoo...
  • Page 13 MANUAL 385, PAGE 5 CIRCUIT NOTES: INFORMATION NOTES: TOP OF FORM LOGIC CARD 101. VOLTAGE VOLTAGE RANGE 201. LOGIC DESIGNATION: 410715 ISSUE lA +4.5 T0+5-5 - 5V PACKAGE PIN -4.5 T0-5.5 102. INTEGRATED CKT. BATTERY CONNECTIONS: ON CIRCUIT CARD TYPE DES I G. +5V LOGIC - 5V GND.

  • Page 14: Power Supply Circuit Cards

    ® POWER SUPPLY CIRCUIT CARDS 410477 PAPER TAPE PUNCH AND READER POWER SUPPLY CIRCUIT CARD CIRCUIT CARD COMPONENT LAYOUT �-filli i= = =lli iD- � c{E)= � SEMICONDUCTORS AND INTEGRATED CIRCUITS IDENTIFICATION AND LEAD DESIGNATION Anode Anode � Collector Anode �...
  • Page 15 MANUAL 385, PAGE 6 412283 a 412300 P /T UNIT POWER SUPPLY 410477 CIRCUIT CARD ISSUE 2A � CIR CUIT NOTES: INFORMATION NOTES: 101. VOL TAGE VOL TAGE RANGE 201. ALL RESISTO R S 114 WATT AND R ESISTAN CE VALUES IN O H M S UNLESS SPECIFI E D. +15V 14.4 TO 15.6 202.

  • Page 16: 410700 Power Supply Circuit Card (Issue 1A Through 4D )

    410700 POWER SUPPLY CIRCUIT CARD (Issue lA Through 4D) CIRCUIT CARD COMPONENT LAYOUT N ONCOMPONENT SIDE CR33 ,� '-c:::Ir -ID'!t- CR21 -EJ- ""(B'B}- � � '·· '· -l!lY}- .;m- , . , . � •CR<O ,. LWIDD � � � ."...

  • Page 18: 410700 Power Supply Circuit Card (Issue 5A Through 8B)

    410700 POWER SUPPLY CIRCUIT CARD (Issue 5A Through 8B) CIRCUIT CARD COMPONENTS LAYOUT -B D � � -E/r -liiW- iiD- � -!B§ID- -- -[§]- "" � ��)I -c:n-c · " £1 ' a-mow- • --@2}- - == = • G -10 0- -c::n- c R<': -{][)- CRI3...
  • Page 19 MANUAL 385, PAGE 8 'ION • SEE NC IGSI SEE NOTE 309 •c1 311. OUR TERMINAL LOW OVERVOLTAGE DETECT INDUCTANCE CAPACITOR +12V _]L_ OVERVOLTAGE --...
  • Page 20 410700 POWER SUPPLY CIRCUIT CARD (Issue 9A) CIRCUIT CARD COMPONENT LAYOUT -EJ- D I � � ; ((6] � e e",a:::J- \31 --I]ID- II '> Rl 8 <:@) --:-- -(BW- • CRI 3 ---m- - J202 -cJ)-CR I 6 a �...

  • Page 21: 410700 Power Supply Circuit Card Issue 9A

    � � MANUAL 385, PAGE 9 410700 POWER SUPPLY CIRCUIT CARD ISSUE 9A EXTERNAL VOLTAGE r -- � CONVERTER SEE NOTE 203 D C -D C CRIS DC-DC CONVERTER (SECONDARY) (PRIMARY CIRCUIT) ��K � TP-' ,. o 4 7 .n. r - -- �: o �...

  • Page 23: 410701 Power Supply Circuit Card

    MANUAL 385, PAGE 10 410701 POWER SUPPLY CIRCUIT CARD ISSUE lA S 2A AC - DC CONVERTER SWITCH MODE REGULATOR 12:558 F<l CAUTION SEE NOTE " 'm" + V IN � 1!5\IAC " "" 3 9K -v,N t/2W TH 3 TH 4 CRII CR29...
  • Page 24 410702 POWER SUPPLY CIRCUIT CARD (Issue lA Through2B) CIRCUIT CARD COMPONENT LAYOUT ·� T I ·a · · � :& � r� •• @1) �. +� :Or A37 R � CltiO� � � +:§ 0< • � � ::;§= 8 0) � � �� R t3 CR �...

  • Page 26: Power Supply Circuit Card (Issue 3A)

    POWER SUPPLY CIRCUIT CARD 410702 (Issue 3A) CIRCUIT CARD COMPONENT LAYOUT . O O ·� T O · o · · , .. . � 1iit � .,12 01 -c:J- CR 2 1 � �= � '" " ::;-<�>- ••• ,,.--c:r -c::r Cl5 ''!o-...
  • Page 27 MANUAL 385, PAGE 12 -IZV TION INDIC ATES FRAME GROUND (PROTECTIVE ) +IZV � R�� FULL WAVE BRIDGE lOOK COMMON {NOT GROUND) J202 INDICATES TRANSIENT PROTECTION lOOK 47USEC. INDUCTANCE CAPACI TOR +12V _Jt_ OVERVOLTAGE...
  • Page 28 410703 POWER SUPPLY CIRCUIT CARD (Issue lA) CIRCUIT CARD COMPONENT LAYOUT SEMICONDUCTORS AND INTEGRATED CIRCUITS IDENTIFICATION AND LEAD DESIGNATION CR1-CR4 ML 3 CR31 CR6 -CRll CR13 -CR19 CR22 -CR24 1 ' 0 6 CR26 -CR35 Cathode Cathode !!if � Anode Anode CR 5 CR21...
  • Page 29 CI RCUIT NOTES EQUIPMENT NOTES INFORMATION NOTES INFORMATION NOTES CONT'D. 410703 POWER SUPPLY 201. IOl. VOLTAGE SYMBOl.. AND RANGE: THE PROTECTIVE GROUND lS NOT CONNECTED TO THE 301. CONTINUED: 307. SHEf:T COOROINAT£ LOCATION LEGEND; SUPPLY VOLTAGES FOR DUAL- IN-LINE INTEGRATED Cl RCUIT CARD PRIMARY CIRCUIT C �...

  • Page 30: Keyboard Circuit Cards

    ® KEYBOARD CIRCUIT CARDS 43K001/CAA KEYBOARD CIRCUIT CARD CIRCUIT CARD COMPONENT LAYOUT ® ®� ® il l �® ® ®e : ® ® . L y ;J 0 @ 0 � 0 ® SPE ED � � � • • •...
  • Page 31 MANUAL 385, PAGE 14 43KOOI/AAA OPERATOR CONSOLE LOGIC I 01 . VOLTAGE VOLTAGE RANGE 201. ALL RESISTORS 1/4 WATT AND VALUES CONNECTOR TERMIN ATION (ON CIRCUIT CARD); ML84 ROM ENCODING TABLE: 205. INTEGRATED CIRCUITS- EXTERN AL VIEW AND INFORMA TIOt. NOTES CONT.

  • Page 32: 43K101/Caa And Cab Keyboard Circuit Card

    ([§) 43K101/CAA AND CAB KEYBOARD CIRCUIT CARD CIRCUIT CARD COMPONENT LAYOUT ® ® ill . H " �002 (LOCA L ) 346162 346106 346163 346169 346164 346165 346166 3 461 6 1 3<16116 IL/T) (DATA) IAA) (INT.) (ALrlll . ) (P.
  • Page 33 MANUAL 385, PAGE 15 43KIOI/CAA AND c:.a Ottf:Aa"rOR r.o�SOLE LOGIC ���� �� �-� �� �� �� �� �� �� �= == == == == == == =� INFORMATION NOTES; 204 . INTEGRATED CIRCUITS-EXTERNAL VIEW AND LEAD CONNECTOR TERMINATION SENSE AMP CHART: INTEGRATED CIRCUIT 201.
  • Page 35 3 ----�- -- - 4 5 -:- MANUAL 385, PAGE 16 CONSOLE LOGIC INFORMATION NOTES: 101. ALL RESISTANCE VALUES IN OHMS UNLESS SENSE AMP CHART POWER DISTRIBUTION OTHERWISE SPECIFIED. lOS. 102. ALL CAPACITANCE IN MICROFARADS UNLESS SENSE AMP I SENSE AMP 2 SENSE AMP 3 SENSE AMP 4 SENSE AMP 5 +12V +12V...

  • Page 36: 50K122/Aa- Keyboard Circuit Card

    50K122/AA- KEYBOARD CIRCUIT CARD CIRCUIT CARD COMPONENT LAYOUT •• •• •• CSWAMP �EJ��� �-it& c::J c::: :J c:::J L:::] C] c::d c:-:J � � /'1L81 � � EJ � E:=J EJ E:J EJ EJ EJ � � � � c::: :=J c:::J c=;] . c=:J c:=] c:::J c::=J c:=;] C] c::: :;J CJ c::=1 c::: ::;:J c:=J L:::J L::J...
  • Page 37 MANUAL 385, PAGE 17 50 K 12 21 A A- KEY BOARD LOGIC 201. S E i E tJW RE SENSE AND DRIVE LINE CHART SENSE DRIVE MLBI SWITCH POSITION NOS. � -- � EPRESSED T YP I CA L KEYS WITCH ALARM T ER 202.

  • Page 38: Interfaces

    INTERFACES 410038 TELEX INTERFACE CIRCUIT CARD CIRCUIT CARD COMPONENT LAYOUT . . . 000000 o o o © g8 ." ""' ' $�0� eo;� � D : 0 ° :· ill � ill uil l �� � rr � rr ® �...
  • Page 39 MANUAL 385, PAGE 18 INFORMATION NOTES: CIRCUIT NOTES: 201. ALL RE SISTORS J/4 WATT AND RESISTANCE VALUE IN 206. SWITCHES: 101, VOLTAGE; VOLTAGE RANGE: 420301 TELEX INTERFACE OHMS, UNLESS SPECIFIED. 8.2 TO 13.0 CLOSED IN NORMAL POSITION SW4, SW5,SW6 -12,3)(5,6) 4.75 TO 5.

  • Page 40: 410710 Answer-Back Circuit Card

    410710 ANSWER-BACK CIRCUIT CARD CIRCUIT CARD COMPONENT LAYOUT ��M � "' ��M 00000 0 .,,.., ON..-- - "'"'"' N• A « � lil � ;a��:.�� ru� : ill �� � .0� , : : � ill M� M �·...
  • Page 41 CIRCUI T N O TES: �:'> JliiJSWER BACK CARD 101. VOLTAGE; VOLTAGE RANGE: 201. ALL RESISTORS 1/4 WATT AND RESISTANCE VALUE IN OHMS , UNLESS OTHERWISE SPECIFIED. 410710 ISSUE lAS. 2A +4.5V TO +5.5V 202. ALL CAPACITOR VALUES IN MICROFARADS UNLESS OTHERWISE SPECIFIED.

  • Page 42: 410718 Selective Calling Unit Circuit Card

    410718 SELECTIVE CALLING UNIT CIRCUIT CARD CIRCUIT CARD COMPONENT LAYOUT @I�' If--, 11 e�� � II � I I ®® I ll ...J � � � • • • m �0 !!!! ! �!�! ! ��� ® ·EJ $� � "'"'"'"'"' "' "' "' "' "' ��®®...
  • Page 43 MANUAL 385, PAGE 20 101. 103. +10.8 +4.5 410718 SELECTIVE CALLING UNIT CIRCUIT N OTES: VO�TAGE VOLTAGE RANGE CIRCUIT NOTES CONT'O: SWITCH OPTIONS: INFORMATION NOTES: 201. ALL RESISTORS 114 WATT AND OHMS INFORMATION NOTES CONT'O. 208. RESISTOR PACK DESIGNATION: UNLESS SPECIFIED. +12V TO +13.2 SWITCH STATE...

  • Page 44: 410746 Ssi Interface Circuit Card

    410746 SSI INTERFACE CIRCUIT CARD CIRCUIT CARD COMPONENT LAYOUT <!!!: :P -G1l:l- <illJo -GD- o[i;Do C�)� r v v -u:D> -tiD- TELETYPE 9J!Do " -illJ. <{)!Do -w:p 410746 ASSEMBLY ISSUE CC746 "-...
  • Page 45 MANUAL 385, PAGE 21 6 ---- --L- -- -- 7 410746 SS I INTERFACE CIRCUIT CARD CONTR OLLER J302 1.5K 120K 1200Pf 3.3K LOGIC CARD J 301 -.29V 19us +" 1200Pf -12V - 5V 7 .5K 1 9us SSI OUT 1200Pf -1.5V SSI OUT...
  • Page 47 SPEED I NDICATOR RECEIVE DATA RECEIVE DATA DATA SET READY CLE A R TO SEND DATA R E A DY CARRIER DETECT 13 1 NO TE: DEFECTIVE TAU'S SHOULD BE SENT TO THE +12V TELETYPE PRODUCT SERVICE CENTER FOR REPAIR. -12V •...
  • Page 48 410754 TERMINAL AUXILIARY UNIT -TAU 2 CIRCUIT CARD COMPONENT LAYOUT � � • � � � � 0o 0 o II (,-,) II ' r �� 0 ooo 0 0 � � 0 � 0 0 ° m 0 ° °...

  • Page 49: 410754 Terminal Auxiliary Unit- Tau2

    � MANUAL 385, PAGE 23 2 ----L- -- - 3 IN FORMATION NOTES: 410754 TERMINAL CIRCUIT NOTES: 201. ALL RESISTORS 1/4 W A TT AND RESISTA NCE VALUE IN OHMS, UNLESS SPECIFIED. 101. VOLTAGE VOLTAGE RA NGE AUXILIARY UN IT TAU-2 202.
  • Page 50 -am- -«»-- -ell- ��'::·:::', -o::J- " • I � 'l':- :111 1 • T.M. TELETYPE I l l ·-� - � · : 1 • • : 1 � � '; I 4 1 0755 "·-- - � ASSEMBLY I I J...

  • Page 51: 410755 Terminal Auxiliary Unit- Tau 1

    MANUAL 385, PAGE 24 4107 55 TERMINAL AUXILIARY UNIT TAU-1 INFORMATION NOTES: ISSUE IA,2A,a 3A 201. ALL RESISTORS 1/4 WATT AND RESISTOR VALUE IN OHMS, VOLTAGE VOLTAGE R ANGE UNLESS SPECIFIED. +IO.BV TO 202. ALL CAPACITOR VALUES IN MICROFARADS, UNLESS SPECIFIED . +13.2V -12V + 4.5V...

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