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DEC-8L-HR2A-D

February 1970

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Document:	8Lschem Feb70
Order Number:	DEC-8L-HR2A-D
Revision:	0
Pages:	41
Original Filename:	DEC-8L-HR2A-D_8Lschem_Feb70.pdf

OCR Text

Maintenance

Manual

DEC-8/L-HR2A-D

PDP-8/L
MAINTENANCE MANUAI
Volume
Il

DIGITAL

EQUIPMENT

CORPORATION

MAYNARD,

MASSACHUSETTS

Ist Printing April 1969

Printing {Rev) December 1949
3rd Printing February 1970

The material in this manual is for information purposes and is subject to change without notice.

The following are trademarks of Digital Equipment
Corporation, Maynard, Massachusetts:
DEC

PDP

FLIP CHIP

FOCAL

DIGITAL

COMPUTER LAB

ENGINEERING DRAWINGS

logic diagram
CD cable diagram
CL
CS

cable list
circuit schematic

FD
KS

WL wiring list

replacement

schematic

15 Loads

B-CS-M111-0-1

Inverter

number associated with them that tells the pin number
and module side number; for example, M2 is pin M,
side 2 (right) of a double-sided module. Hence, a
signal with M113 F32 M2 is found on pin M, side 2,
of module M113 located in row F, slot 32.

On modules or connectors that are double-height
(occupy two places in a block of connectors, one
above the other), the module location and pin numbers
identification is similar to the double-sided module
identification, except that there are two letters associated with the module location and pin numbers. For
example, a signal with M710 HJ28 HE2 is found on an

M710 module located in rows H and J, slot 28, and
the signal is on pin E, side 2 on the connector in row H.

B-CS-M113-0-1

10 2-Input NAND Gates

B-CS-M115-0-1

8 3-Input NAND Gates

B-CS-M117-0-1

6 4-Input NAND Gates

B-CS-M119-0~1

3 8-Input NAND Gates

B-CS-M160-0-1

Gate Module

B-CS-M216~-0-1

Six Flip=Flops

D-CS-M220-0-1

Major Registers

B-CS-M310-0-1

Delay Line

B-CS-M360-0-1

Variable Delay
Variable Clock

B-CS-M452-0-1
B-CS-M516-0-1

Positive Bus Receiver

B-CS-M617-0-~1

6 4-Input NOR Buffers

C-CS-M623-0-1

Bus Driver

B-CS-Mb660-0-1

C-CS5-M700-0-1

Positive Level Driver
Manual Timing Generator

C-CS-M706-0-1

Teletype Receiver

C-CS5-M707-0~-1

Teietype Transmitter
Flexprint Cable Connector
Connector (Flexprinter)

B-CS5-M%01-0-1
B-CS-M903-0-1
B-CS-M906-0-1
B-CS-W076~-0-1

Cable Terminator
Teletype Connector

—

ToaaS O 00N Oy O BN

WA
O

amual

1
1

Power Connector

B-CS5-M002-0-1

timing diagram

WD wiring diagram

B-CS-G785-0-1

subunits, by dashed lines, that indicate different
moduies. Inside the dashed lines appedar two sets of
numbers (together) that tell the type and location of
module located in row F (6th from the top), slot 32
(32nd from left side, wiring side). All signals have a

PW power wiring

Resistor Board

Regulator Control

Double-Height Modules
TD

B~Diode Board

B-CS5-G624-0-1

PDP-8/L Control Panel

ist

MU module utilization

A-Diode Board

C-CS-G611-0-1

D-CS-G921-0-1

the module; for example, M113 F32 shows an M113

ML ;nasfer drawing

C-C5-G610-0-1

B-CS-G020-0-1

B-CS-G221-0-1

C-CS-G826-0-1

list

key sheet

B3-CS-G228-0-1

Power Supply 718
Sense Amplifier
Memory Selector
Inhibit Driver

On double=-sided modules or connectors, the sides are
designated by a suffix number (1 for the left side and
2 for the right side). The drawings are divided info

drawing index

flow diagram

Module Utilization (2 sheets)

D-CS-718-0-1

L L s 8 8 3 0NN

block schematic or

Double-Sided Modules

Misc . Connections MC8/L

D-MU-8L-0-18

N GG OGR R R RO ORN 2

viewed from the wiring side (right to left from the
module side). Capital letters (G, I, O and Q are
omitted) are assigned to the terminal connectors from
top to boftom.

X=-Axis Selection

Y -Axis Selection

Reading from left to right: a one-letter code specifying the drawing size (D size); a two=letter code specifying the type of drawing (block schematic (BS) ); a
group of numbers and letters specifying the type number
of the equipment (99XX or a 99XX module); a singledigit number specifying the manufacturing series of
the equipment (1 or first engineering change); and the
last single=digit number specifying the number of the
drawing within a particular series (5 or the fifth in
the series).

S 8L-0-17

Teletype Transmitter
Memory Control
Sense Amps and Inhibit Drivers

Page

WWWWWWWWWwWwWwWwWwWWwWwWwWWwWWWWMNRNMNMNMNPNNMNDMNONDNDNNNMNODNDN

bottom (A is the first row, B is the second row, etc.).
Module receptacles are numbered from left to right

D-BS-99XX-1-5

8L-0 16

1/O Converters
Teletype Receiver

> o

equipment, of all signals named on the drawing. In
the main frame, module receptacie connectors are
identified with capital letters that designate horizontal
rows of modules within the mounting frame from top to

Each discrete

part contains specific information as shown in the
following example.

Major Registers

Major Register Gating (4 sheets)

m w

number containing five discrete parts.

Interrupt and Break Control

T w

To make signal tracing easier, DEC uses a numbering
system on drawings that gives the location, .in the

Shift and Carry Gate Control

Reg. Input Control and Skip

Or»®r»rN0O

Digital Equipment Corporation (DEC) engineering
drawing numbers are composed of an alphanumeric

Reg. Output Gate Control

General

Instruction Reg. and Major States

@RIOONO D>

DRAWING NUMBERS

nnnnnnnn

Tlmmg, Mcnuai Functions and Run

LOCATION DESIGNATIONS

are correct.

Rev

lw s

gisumeg fnufrne QrfiWlflgS SUDDIIEQ WIT[] ffie EQUID
efi

Title

O ww
)

cies are found between the drawings in this volume
and those supphed with the equipmeni‘, it should be

form, using standard symbols similar to those that
appear in other DEC publications.

If any discrepan~

1
o

referenced documents, are included.

iocation, wiring, and other pertinent information.
Individual circuits are shown in block or semiblock

(W)

signal flow, logic functions, circuit type and physical

logic circuits and performance of maintenance on the
equipment, are contained in this volume. Only those
drawings that are essential, and not available in the

Drawing Number
1
T

DEC engineering block schematic diagrams indicate

1
1
U W W W w
mwmmmmmmmmmmmmm

Engineering drawings, necessary for understanding the

UUUUUUUUUUUUUUUU‘ ]

CIRCUIT SYMBOLS

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ENABLE | DELAY [ENABLE| DELAY
1=
i
1
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ENABLE
Nmr E NABLE ENABLE

Ni18

MEM
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sewse|
#7

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i

fsewse |
29

sense
1

AC 18

AC 88

AC 6

AC 11

AC B4

AC 29

AC B2

AC @7

AC B3

AC 95

AC 3

s | wB

DATA

LEFT

INT

ENABLE| L0 E’(‘EE‘”E SHIFT | LINK

AC 21

ADDER

PC_

13 |

INHIB | INHIB

211

DRIVER

211

|SUPPLY
MEM |

SUPPL

HEW_|
+

INHIB

DRI, 2
INHIB

DRI.

CLAMP

DRI.. @

DR, P

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SUPPLY

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5228

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G624

211

SOURCE

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| MEW

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7

211

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2114

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REGULATOR

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AND

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g | INT

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211

2|1

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373

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START

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B??J

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+ B4

0 . _bua'ps | aun | To

DATA

FATA

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[

FoUSEL

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p5 4 11

2|t

211

]

PAU

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— ADD

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DATA

211

START

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306

SNG
|
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MENT

PED

ACTIVE TDATA. B

wewory

aus | BUS | AC| INCREg8 |

Jew

ENABLE

BA (8)

SUPPLY

2] !

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000

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10T 10 10 T 10

cLocK

NPOT | INPUT
B | BT

TR [ PB B

BA (1)|

L0
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pp 3

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AgéTés
; AgGT#fl; SSE%C Fii
NABL 3

g4 | 5 | ip | 11

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oNTROL
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2|1

OR | Re@

ENABLE | I/

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e

eause;

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211

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INHT

2] 1

TR0
STROBE

DELAY | ROR

SUPPLY

POWER

NiL;

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{o1

SKiP

. RD

RETURN

DRI.. 1

supPLY

[CONTROY

LoAp |

SKIP | BREAK

ROTATE

X R/W

INHIB

@82 | B

5624

_DRL. 7

DRIVER

£785

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5825

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OPTIONS

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3.9
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POKER FAIL

4.4

HIGH SPEED READER AND/OR PUNCH

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;

[

D-MU-8L-0-18

REPLACED BY G612 IF MEMORY PARITY
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Module Utilization (Sheet 1)

iNSTALLED

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241

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(L)

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83

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W03

CABLE

INPUT | INPOT

BUST
capte | BUS B7) 10

CABLE

_T0 | 10

PRINT | crock PRESET

RW.

]

/
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RETURN
2

/
i

RETURN

]

231

211

281

21!

2{1

211

2] 1

Fill

21!

2( 1

21!

21t

¢
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211

211

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10
11

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G221

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MAGNET

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INITIAL

211

TYPE

WEW
Wew

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TNPUT {INPUT |WB @@ | WB 86 |AC 20 | AC %

211

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17
29

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| DATA
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3 CYC

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CA INC

| BACD

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211

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ror | W
11

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1
4+

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e |
og ENABLE|ENABLE

WT11

211

MEM | IWP
peLay [ 0 N
INT

| ypu7 JINHIBIT
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SET

o
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211

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TM OVER-

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211

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RSEA ADST

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e | B

[

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s
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ENABIE

MEW P | NEM BH
MEM | MEW

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—

worRD | ¢ | woro | IR
COUNT OVER{pigy | COUNT (BN

)
170

1@ | gD8|
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Lize

2§1

211

1S3 ] gur
gy |acTwE

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CURRENT]

1op

ACCEPTE] FLOW

Wil

—
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:
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211

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8-

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sip

MITT
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ENABLE [CLOCK

Wil

SKIP

ENABLH

560

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)

10P

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ETURN | RETURN

211

WEW |

AC 5-11 | ENABLE ENABLE| LOAD

WZ16

170

() | OVER- |g

21t

RETURN

Wico

ROT

FLOWB)

___R-/‘ | R/ |

211

1557 | evee] 7

PROTECT|

SET

ENABLE

)

STROBE

241

WEM | WB B8]

STROBE

M523

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]

BTP3

e Dot
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RW | RW

2] 1

WITY

241

SET

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1,0

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SOURCE| SOURGE
USAGE] |

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o1 | BkB

WTT7

211

.
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ADD

B 38

RUN

§228

211

D
T

ser

EX +
P

G271

310

swp | sEF

REF

o6
2
g;u
=

MEM
1op
T
—
DONE | proTecT

281

W15

. |F
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OIRECH or b
SET | oK

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2| FETOH | 155

O0CA | et

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rrotecT) ca
221

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211

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START 1'%
5
oLy

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USAGE] 1

WEN

(NITTA
nmm

WITY

201

p lon | ow

mrTe | METS

CONT | 2
| 10P
WETS
3
s

NFTP

EX+DP

170)

-1 W
ALIZE |LOAD

w |

lop 2

2]t

INITI

s
_ |

W26

wull

END

NITI
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dease | 12 |

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122,000
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REG,—I15

AD2 0—— > COMMON

AP2 0

4 YELLOW

+l 50V

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AC2 O——2
AF2O——

| #14 green —©

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CONNECTQOR

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MEM REG BASE
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)

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BRN |

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G785D

#18

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——————

[
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RETURN

pV20——

AD 1

D-C5-718-0-1

Power Supply 718

RED

[90-0723

‘

[2-0140¢

/flAC OUTPUT

'h)fi"( S5rf'
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| JFUSE GA 34G

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1=
REG

[SOWER RECEPTICLE MALE

28083 Z
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7 |CAPACITOR, BATHTUB, 2 X IMFDS0OVOC lU- G2 125
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DM 2 RECTIFIER

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DESCRIPTION

5VDC

[ TREY_SWITCH

[ TTOANGFOBMES XAPTOL

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TF ]
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CONNECTOR. FEMALE , DBL
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T | JUNCTION TERAM BUSHING WHITE [90-07235
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€2 8 EI ARE DEC7440N
PIN 7 ON EACH IC = GND
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UNLESS OTHERWISE (NDICATED:
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PIN 14 ON EACH IC = +5V

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B-Diode Board

\02

N O———
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PANEL

POWER O—

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LOCK

+8V O—

c7
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+ 5V O—

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INDICATED:

iOW,
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20 MFD, 50V
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‘7\}+

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*_1_.

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BV2
L——————0BB2 REG.-I5V

——O AV2

1/4W

5% CC

RI8

RES.

100

1/4W

10% CC

TRANSISTOR

DEC
2

R4-RI3,RI

TRANSISTOR

RES. 3K

DEC65348B

__I/4W_ 5% CC

1300432

R3, R2!

RES.

470

1/4W

10%

1300317

RES.

180

1/4W

(0% CC

D4, D5

DIODE IN4744

Di- D3, D6-D9

DIODE

RI4-RI7

RES. 560

1/4W 10%CC

D664

20MFD

50V H0+75% ELECT|

,OIMFD

100V

DESIGNATION

Power Connector

130023
1503409-01

1301324

1300340

1105648
1100114

CAP.
CAP,

20% DISC

LIST
DESCRIPTION

PARTS

B-CS-G785-0-1

cCC

CI,C2,CIo

REFERENCE

1300365
1505650

c3-cs

PARTS

Resistor Board

SLICE

RES.

‘

MEMORY SUPPLY —

BUZ2

RI9,R20

MEMORY SUPPLY RETURN

—0 BS2

,]!,DS

of:]

[——OBL2

’

.0l MFD

3-CS-G624-0-1

MEMORY SUPPLY +

BP2

RI7

‘

BF2

——Q AB2 UNREG. {5V
BN2

4R760
/2w

AKEZ

S
RIS

BK2

RESISTORS ARE E

—0 J

!LM

BASE

c3
1,000 MMFO

CAPACITORS ARE 68C MMFD

R32

-30V O

o o

BC2|

MEM. REG.y..

UNLESS OTHERWISE

AByas

-8V O-

20 MFD
50V

F O—

¢]

AD2

-5V

VMA————O
AU2 LINE LOW

;

COMMON O—

RI8

VAV

220

VAN~

L O——
A ———
N—¢———0O5

RI9

. AAZJJ AF2l Av2 l ALz|

R3
56

K O

— b o o o

c6
M
71

————OAT2

a2l

P—P—»

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A 32001 THERKISTOR
28% %2090EP-@

{

Bl ! B

!
b

m o B

X 36

2ol f !
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T
pibp

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N
]:
D

ARE D672

| 4

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Bl
B 4o

DIUDES

SNER ] Y

[ 4t}

N s
I W
x8

URLESS OTHERWISE INDICATED:

X34

x25

X60

x51

L ]

x42

X33

L4l

x32

e
x50

X4l

L.t

LIST

1002839
1001610

A-PL-G785-0-0
PART NO.

$RrR7

SRi6

$4.700 $750

RS3-

SRr23

o750

$1,500

>
SR39

:Inzs

150

54,700

10%

a8
p

)

DEC6534B

AR
TP
AT
4

2 0%

g RIO

SRl

RS &

<:3,000

2 1,800

)

4,700

ANA

Dl
¥, wrs3

> Ri7

100

arF

AA, BA
+5V

R37

_L_MMFD
¢

b1o

220

10%

[E] p

Do,

+fce

[Y)
D662

T wrFD
35V

::s.a

+fcio

feu

03
D664

AC, BC

100
“.“2,‘&“

OR30

{

cia

¢5 4,700

BF —I—o ;

-6y
D6
|
R32
6,8008 <C€ y eIt

Lind

2 Ral

TM~

750
§ 2w

UNLESS OTHERWISE INDICATED:
TRANSISTORS ARE

DEC30098-§

¢R20

2 R24

33,000 $ 4,700
9

BOURNS ¢

TRIMPOT | 22 P

[

IMFD
35y

S R35

< 3,000

io% | ¢
{¢

]

10,

5?3’30
>3,

3oy

ARE

.0l MFD

Ei 8 E3 ARE DEC7400N
E2

PIN 7

DEC7440N
ON EACH IC = GMD

PIN 14 ON EACH IC = + 5V

C-CS5-G826-0-1

Regulator Control

gR38

:: uRozgoo ::roai)oo

B8R

R4O

418500

$ 7500 ¢

> 750

— Bk
012
DIl

DEC3790-$

R44 S R4S |L R47

1,500¢

<100 SI00

S Sa2w Saw
0% j10%

L—TO + TEMP. COEFF. THERMISTOR 3300
BY

110% 25%

—BY

¥ vrz084
¥ urzoss

470

ra28
1,500

GND

S R46

W
R43

RESISTORS ARE 174W, 5%
CAPACITORS

4,700

2333:
0
>

DECE5348

D664

23,000
e

R25

2 R8

Jeis

@
04
art | pert ¢

MFD

l
< 4 750

Jee

6.8 4

35V

20% | 20%

D862

65348

>R22

2220 Aioov
€12,000 _
< 10%
5%,
<

)

;470

€3

SRS

4,700 <:

A RIS
> 180

s
<

5220

CARBORUNDUM

|R48 |9 R4e9
SI00 S100

Saw Saw
m%W 10%%
Ci5v

AQ905P-8 OR EQUIV.

A0S05

%&tmomuon_womoE~o.Lm+yN\A©oA3eeLlwo@"lp)W?qvo@+]®tEY)Q©Y—ANo—bo©4<g
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fA

(9]

A14(12N38§-HOA<LINMS~-S ST-w SgN . iii.VPV;oe1BN .)— 73 @ zs 5
Hi1 aw1.S ¢—AAA———
[[1'41 o4[[a»} oN -— o—

-i_!|_:WIom-&G»n£nNaH£y;“HH¥1vHO393OioIL3LLvL.4I5IghSM1.MHI¢9SKSS1I055©<39L183S34100401“NN-«-.=:[A_oEoloNo«a__5NL3@S:|Lms~;-i-5A]I.N@HQRbAEO¢[—Ae!:_A©@oN,NPV,~|!&T.w—oct\=eo?,TM_\.ezAR~g-N0p5Ngs«ob@omNbl@oo0o([—2}](\.~=. IHAAAA0i[AoivA4GGe0e—ee——h<@H)E°
43@o“‘HI{O|14N8I3[N=]ODo(] < AA—b
|

i y . T . o

& oy ' !

prd _LOV

IPsGH3LEOI93N

NOTE:
PIN 7 ON EACH

PIN 14 ON EACH

D-C5-G921-0-1

0 ® @m

HOLIMS

|A ;

=Efim. _
[
o
4
=
\
]
4HOLVI=MS mva1Svo*ngsanav

AB2,BB2
CB2,DB2

BN2

-i5v

LOCK

PNL

IC
GND
iC= +5V

PDP-8/L Control Panel

[30JRTY20&T8 2NE@oT

9o @dois+ s|EI08E2o Y<o] P?

& 379NIS

HE4[P o0 ~

A
WA

N -

G“m”fl +qCO O

+10V

».

\_C.

9 n!{0

i3 2
f‘J‘\
€4

2RI

RII

RIO

RI3

RI2

¢————OC GND

R16 - R30
RI - RIS
cl

RIS

RES.
1.8K I/4W 10% cCC
RES. 3.3K 1/4W 8% CC
CAP, .OIMFD 100V 20% DISC
PARTS

J
lz

FYI-Y

£4

£3

£2

415

4 ‘5

£3

€1

+5v

Z2C2

)[ ‘[ 1\

—

5C4

c2,TI

GND

£2

IC = GND
IC = +5V

INTEGRATED

RI-R3

RES.

750

Ci-C4

CAP.

.OIMFD

PARTS

CKT.
I/4W

10OV

DEGC7400N
5%

20% DISC

LIST

REFERENCE DESIGNATION

DESCRIPTION
PARTS

1905575
1301401

1001610
A-FL-MI11-0-0

PART NO.

LIST

Inverter

+85V —————
A2

NOT USED

c2, Tt

-1V B2
—
GND

.
I

—

4 5V
Al

v2
1

E1-E4

c2,
T!

ZRC3

——

12-

e2—

Jol&

H2 FI

—2

P
RI

—

)

iz
w2

xke—2A

TCZ
LS

€—

KL) ——=
2 EZ2

GND

—

1 ——

N2
10]
P2 —=4 E2
R2

‘

S| —

5 ———
3

v2 ———

‘|

]IO

]13 |l2

10
T2

|9
u2
NOTES:

NOTES:

PIN 7 ON

A2 45V

s2
6

it
8l

PART NO.

NOT USED —i5v

’Y
3

6
D2

8
El

"
HI

B-CS-M11i-0-1

|12

4 I i
13 {iz2
F—L
£l
El

i El

15 Loads

j
l4 ls

8
K1

LIST

GND

{

A-PL-M002-00

DESCRIPTION
PARTS

i3 ’llz- 09

i301428
1300439
10
10016

LIST

REFERENCE DESIGNATION

0 ls

NOTES:
PIN 7 ON EACH
PIN 14 ON EACH

3
Pl

¢l

e i3£3 112B

£3

B-CS-M002-0-1

0|3

—cI

R30

R29

[

]

—o v

R2l

R20

RIS

RI7

gRI6

R28

R27

R26

R2S

R24

R23

R22

+5V

PIN 7 ON EACH IC =GND
PIN 14 ON EACH IC = +8Y

EACH IC = GND

PIN 14 ON EACH IC = +5V

{El

THRU E3

"Ri_AND R3

R2 AND R4
Ci AND C2

REFERENCE DESIGNATION

INTEGRATED CKT. DEC7400N

1905575

RES. 7650 1/4W 5% CC
RES. 330 I/4W 10% CC
CAP. ,OIMFD_ 100V
20% DISC
PARTS LIST

1301401

DESCRIPTION

PARTS

B-CS-M113-0-1

10 2-Input NAND Gates

[€fTHRU
E3

1300293
1001610

Cl_THRU C3

INTEGRATED CKT. DEC7410N
CAP,

.OIMFD_

PARTS

A-PL-MII3-0-0

REFERENCE DESIGNATION

PART NO.

LIST

B-CS-M115-0-1

8 3-Input NAND Gates

00V

20%DISC

LIST

DESCRIPTION

1905576
1001610
A-PL-MI15-0-0

PART NO.

Ml
NI

12}

RYFN

E2
5

‘

£3

N (oD
o [

Fi
Hi

di
Ki

:12
-

L2 —H

M2 ———

+5V

cl
vi

PIN 7 ON EACH IC=GND
PIN 14 ON EACH IC
= +5V

THRU

& R4
_

&3
]

DEC7420N

7 ON EACH IC= GND

14 ON EACH IC = +5V

1905577

THRUE3

INTEGRATED CKT- DEC7430N

1905578

RZ2

& R4

RES,

330

I/4W i0% CC

1300293

& R3

RES. 750

I/4W 5% CC

1/4W

5% CC

1301401

330

1/4W

10% CC

1300293

CAP,

.OIMFD

1001610

THRU

REFERENCE DESIGNATION

PARTS

CAP. .OIMFD

A-PL-MI17-0-0

DESCRIPTION

GND

750

LIST

€2,Ti

RES.

20% DISC

RES.

100V

NOTES:

[

: If GND

PARTS

B-CS-M117-0-1

{INTEGRATED CKT.

Cl_THRU

+3v

NOTES:

+5V

-l-

PARTS

PART NO.

. -

3 8-Input NAND Gates

NOT
3

6
I}

12
E3

DIRECT
CLEAR

[

——q

o El
i

(]

O——F2

—

Jels]4]e

{ Ml

Ni Pi

GND

o E2 N D—«KI
c

c2, T

| ct —I
I

+5v

| ~C3
|

GND

Tals]e[+

L2 M2 N2 S2

St Ul Vi

P2 R2

5
4

£3

Kz ——t

O— Ri

19
!

_I_

TCB TC4
*

E2
c

to
E3

Jio

+5V

USED -I5V

2
9

PART NO,

IIST

001610
A-PL-M115-0-0

DESCRIPTION
PARTS

1301401

20% DISC

LIST

REFERENCE DESIGNATION

LIST

6 4-Input NAND Gates

100V

o— uz
D

A2 +5v
s2

cz,Ti GND

NOTES
PIN 7 OM EACH IC = GND
PIN 14 ON EACH IC = +5V

INTEGRATED CKT.

DEC7450N

1505580

INTEGRATED CKT.

DEC7453N

1905582

E2 & E4

INTEGRATED CKT.

DEC7460N

1905581

Rl
Cl

THRU

¢4

RES.

4.7K_[/4W

1300448

RES,

6.8K_[/4W

10%

1300463

|CAP, OIMFD

PARTS
REFERENCE

DESIGNATION

100V

LIST
DESCRIPTION

NOTES:

PIN 7 ON EACH IC = GND
PIN !4 ON EACM 1C= +58Y

1001610

THRU

THRU C3

A-PL-MI160-0-0

PARTS

PART NO,

REFERENCE DESIGNATION

PARTS LIST

- B-CS$-M160-0-1

Gate Module

INTEGRATED CKT, DEC?474N

CAP, .0l MFD

Six Flip-Flops

20% DISC

DESCRIPTION

PARTS

B~-CS-M216-0-1

00V

LIST

1905647

1001610
A-PL-M216-0-0
PART NO.

88!

BAI

[

)

AC2

EIO
[

AT2
AUI

Ell

]

AU2

of2
5

6
0

MB2

]

ARt

ol2

AAZ, BA2
ANZ

AMI

AC2, ATI, BC2, BT!

aAM2
AK
L

Adl

TT LINE SHIFT

DEC30098

gy ey pigHT

)

—2D2

SHIFT RIGHT TWICE
NO SHIFT
SHIFT LEFT

SHIFT

AND

MB3(®)

BB2

+ 18 GE!”

uB2(0)

5000

/10

:g:

::2"

LEFT TWICE

ADDER 5
a2

—AC!
:i.z

ADDER |
ADDER 2

—21o

3
ADDER
ADDER 4

exz £2

ADDER|

DER| 5

EIS

EI3

[i3

Tio

UNLESS OTHERWISE INDICATED:

£4,E8,E2,EI0 ARE DECT474N

£3,E£5, 26 ARE DEC7460N
g:a, Izsz bgslf;ft;:hzm' £15,E17,E18
PIN 7

El4
ARE DECT453N

ON EACH IC EXCEPT E!3 s GND

PIN Il ON EI3 =GND

PIN |14 ON EACH IC EXCEPT EI3 =43V

PIN 4 ON E13 =45V

RESISTORS ARE /4 W;10%

CAPACITORS ARE 6.8 MFD, 35V, 20%
£7

@ EI!

ARE DEC7440N

acz{n acz (0

BH2

AC ENABLE —

AC ENABLE

MQ ENABLE
SR ENABLE

SC ENABLE
DATA ENABLE

BFI

s
*

SC2 | DATA2|

BO1

BM2

102

BK1

El7

MA2(1)|

EiS
T

s
:

PC2(1)|

[

BRI

ADD. 2

MEM 2 | DATA

8si

BEZ | Ac3(n)|

+3v

—por
——C>

L"
—=>

10 ENABLE

—=

WA ENABLE

-gem

PC ENABLE

MEM ENABLE —==

DATA ADDRESS ENABLE

PARTS

LIST

A—PL-M220-0-0

D-CS-M220-0-1

Major Registers

Ac3 (0} Ma3(1}|

BN2

Ts
i

SR3

8D2

sC3

BNt

DATA3|

:14-3

103

BMt

El8
To

s
H

WA PCI(I) | MEMS

oR2

Bv2

DATA

ADDRESS

Bvi 53u1

750

470

750

‘

RIZ

470

750

DEC
65348

!
]

!
I

330
1~
-MMFD

750

)

g0
12

470

DEC
65348

+5v

|
-

i
|

330:&
c5

)

MMFD

)

R2 N

[

470

RI6

750

RIO

RI3

Ffi\os

‘

s
220

RIS

10%

750

10%
c2,Tl

Tcs

J_c4

UNLESS OTHERWISE INDICATED:
TRANSISTORS ARE DEC3009B

RESISTORS ARE 1/4W, 5%

|®

CAPACITORS ARE .0i MFD

olololglelelsls]e

E2(S DEC7400N
El IS DEC7440N
PIN 7 ON EACH IC = GND

slelal218|ela|e|s
“1S8lalelelelelele
21olw|Q181QI813%]%9

DLDI

ARE

IC=45V

D664

DECI6-05530

B-CS-M310-0-1

Delay Line

g
RS

+3v

U;_

550

S-ce

470

DIODES

R14

PIN 14 ON EACH

+5v

;

ca
Cl

Qi
I

.——

1.l_o

NOTES:
PIN 7 ON EACH IC= GND
PIN 14 ON EACH IC = +5V

I}
LINE

500

GND

DELAY

INTEGRATED

CKT.

DEC7400N

1905575

INTEGRATED

CKT.

DEC7440N

1602167
1905579

TRANSISTOR DEC65348

Q2,Q3,Q4
RIO,RI12

TRANSISTOR DEC3009B-S
RES.
I,5K
I/4W 5% CC

R9, Rit

RES.

iAW

1300432

RES.

220

1/4W

1300271

R4, R5,R6

1301401

RES.

750

1/4W

RI, R2,R3,R8

RES,

470

1{/4W

Di-D7

DIODE

D664

c2,C3,C4

CAP.

,OIMFD

100V 20%

CAP.

330MMF_

100V

—

PARTS
REFERENCE

DESIGNATION

Variable Delay

1100114

LIST
LIST

1503409-01

1503100
i300391

1300316
DISC

5% D.M.

DESCRIPTION
PARTS

DLDI

B-CS-M360-0-1

Ril

1001610
1000023

[a-PL-M360-0-0
PART NO.

+5V

NOT

USED -ISV

GND
-

0Tk
Ci

220

750

880
BAUD

T.P.
N

T.P.
b

T.P.
L

1000 ¢

ggc

1|0

—C

121019

65348

o [0

ila

JEIE

L%%

T mmFo

Ji2

6
3

10
5

K2
L2

2
I

M2
N2

13
12

T2
u2

+3v

DEC

30098

2
)

b2
E2

5|
Q4

)

E2
[

—]

TRIMPOT¢

680

H
3

—

]

DI
Ril

eR2
2

s
ci

L«

¢l

R4Q
e

2RS
?

. [-

R7Q
1»

\&J

1 .
"2
i

H2
AD2

RS
b

-5

]Fm

)£

PIN 7 ON EACH IC=GND

’

C GND

Yoz Ap4

J2
8

'2
;
4

USE THE ETCH BOARD OF THE MII7

2RI
?

RI3Q
S

‘[

RI2

Li
K2
6|L2

[

QRI4
¢

.
=
2

RIS

p2
8]

!Fos Aos

B-CS-M617-0-1

€3

;

6] s2

T2—3

—=Ca

v2
8

A
cs
DI5
l

uz2—

]Fos Apio

Di6

+3V

6 4-Input NOR Buffers

R6
D4

_CZ

QI0

C3 +|

T :[

GND
c2,Ti
ul, Vi

F2
]

E2
1
2

K2
1

M2
i

L2
i

L
]2

R2
1]

T2
f

s2
]

IC = GND
IC
= +5V
Je

EI—E3

INTEGRATED CKT. DEC7420N

1905577
1300295

RIS

RES.

330

I/4W

R3,R6,R0,RI2,RI5 RIB

IRES.

1.5K

1/4W 5%

R2,R5,R8,RI11,R14,R17

RES. 750 I/4W 5% CC

R1,R4,R7,RI0,RI3,RI6

RES.

DI3-Di6

DIODE

220

D662

Di- Di2

DIODE

D664

Cl-C5

CAP.

.01

PARTS
REFERENCE DESIGNATION

1/4W

MFD

1300391

1301401

1300271

[13]

]

Ril

[o2°]

Dl
ol

1100114

100V 20% DISC

LIST
LIST

1100113

DESCRIPTION
PARTS

B-CS-M516-0-1

1001610
A-PL-M516-0-0
PART

NO,
NOTES!:

PIN 7 ON EACH
PiN {4 ON EACH

IC = GND
IC = +5V

Positive Bus Receiver

Ei-E3

QI-qi2

RI- RI2
DI~ Diz

c4
ci-C3

T
REFERENCE DESIGNATION

~ TINTEGRATED CKT. DEC7402N
TRANSISTOR DEC30098

RES. 390
1/4W
DIODE_ D664

Bus Driver

1909004
1503100

1300309

1100114
1000067
CAP. 6.8MFD 35V 20% STANT |
100i610
CAP. .OIMFD_I00V 20% DISC
A-PL-M623-0-C
PARTS LIST
PART NO.
DESCRIPTION
PARTS

C-CS-Mé623-0-1

5% CC

LIST

NOTES:

EACH
EACH

DI3

Foi R oiz

Dia

GND

RI9S

. c2,¥i
¥

! l

RI8

.
>
=

!FD? A8

QRI7
?

S |
5
=

Tov

RIS
e

D2
1

PIN 7 UN
PIN 14 ON

Variable Clock

1t
<€
L-

RIOZ
>

+5V

-~ CI

PIN |14 ON EACH IC=+5V

B-CS-M452-0-1

#275P

—o

NOTES:

220

+—

PIN 14 ON EACHIC = +8V
IS

UNLESS OTHERWISE INDICATED:
RESISTORS ARE 1/4W, 5%
CAPACITORS ARE .0l MFD
€5 IS 35V, 10%, TANT.
DIODES ARE D862
El IS DEC7440N
E2 IS DEC7474N
E3 IS DEC7400N
PIN 7 ON EACH IC= GND
R3

| Ri4

1,500
’

c2, T

45V

RI2

~C4

I
—

GND

220
10%

V-

MFTS 2

MFTS|

MFTS

AE
MFTP

\:4 éfi: %az $R3 | N—Ej
/

- gw

|
—\az
I

o |

”“jfi

+BV

:
AM

MFTP O

MFTS 0
AN

MFTS
O
6

—

RUN (0}

AA,BA +5

6.8

8c
MFD

35V

UNLESS OTHERWISE iNDICATED:
TRANSISTORS ARE DEC30098
CAPACITORS ARE .0i MFD
RESISTORS ARE 1/74W, 5%

NOTES:

IS DEC7474N

E2, E3, £E4, E5,E6,E7,E8

ARE DEC7400N
PiN 7 ON EACH il = GND
FiN 14 ON EACH iC
= +5V

PIN 7 ON EACH IC = GND
PiN 14 ON EACH IC = +5V

R20

R2)

470

+1 55
1
-]

MFD
20v

QRI3

7,500

RI5

470

RI8

750

LIST A-PL-M700-0-0

C-C5-M700-0-1

D664

INPUT

PARTS

DEC65348

Positive Level Driver

470

RESTART

AS
FILTER

B-CS-Mé60-0-1

R22

Manual Timing Generator

AC, BC GND

AA2, BA2 +5V

DECE534D
ca|

$180
_

Teas

C22

[°}]

D664

READER ENABLE

ca2s

sL2 Y Desa
D4

DEVICE

BMB

INPUTS

AEl

AF1

aH2

Adl

u :I

SKPR.) STROBE

132

EI3
1

'
2]

[

BE2
32

[O3]
LS

€7

CLEAR
CLEA
/0
1/0

BF2

$ 750

ATI

scz, v GNP
_ 170 SKP. STROBE
BH2

AF2

ACTIVE

pu2.440 SKP:

li3j o FLAG
E2 1o
|

oxe P.
1. REQ.

]

1310

€14

SPIKE

=9 DpETECTOR
0

]

le
5
1]0 ACTIVE
E16 114
D

EN2

OF MT07 FOR

}i0

ettt

}

HALF
DUPLEX
MOD

1la

p—

1 10

E20 A

§§3

BD= 1.5 §rTOP
acz20 TME

3/8 UNIT

112

48V

PRESAMPLING

|a 0

[a
13jo0 Ei7 4l0

FROM PRESET

{

:
0

sTOP2

EI6

p—1

BU2

D
|12

873

CLEAR FLAG
BD2

13jo

€4

ifo e7 ila
6

6
€7

STOP |

BPI

BE2

AP2

ilo B17

STOP 2

Il giT & OUTAPUT

F—

AJ2Y

SET
Y |
8 3T

9
8
AN

CLOCK

IIZ
3]

"
£o0

8 BAUD

TELETYPE

BM2 SERIAL L INP! INPUT

*
=

ENABLE

4
DI

D2
+8V

9] EIS

siTe

8
20

€8

ALl

8 BIT 6 OUTPUT
AS2

BS2

(WAIT
WHEN LOW)
WAIT

PRLIY

BIT7

sToP1

L C3

9
Els

El4

]

Sad

6 BT 7 OUTPUT
AR2

2 X BAUD

P2 Cock meut

<l3

3|0
i

EIO

(]

El2 8 €13 ARE DEC74i0N
E15 IS DEC7440N
E10 1S DEC?460N

il0
c

i3]0 Eld 10

E8
8IT7

g2
9

1ho
D

PRESET

BIT 7=ACS

AR2

1’2

BITS

BiT 8=AC4
A P2
proem——

il4
ES
D

ALl

a6 6

ENABLE A2

AHI

BIT §=AC6
A L2
ponere—e—

1la

FREQUENCY
~ ODIVIDE .

“H

€9

3 8T8 ouTPUT

DEVICE

SELECTOR |

INPUTS

FROM

BMB

AE2

AE1

aF2

::;

AS|

LOAD
BUFFER

AR|

CONNECT TO CLEAR FLAG 2 WHEN USING
IN SOME HALF DUPLEX SYSTEMS

CAPACITORS ARE 01 MFD

E£7, EB, £9, EIl , E19 & E20 ARE DEC7400N

RESISTORS ARE 1/4W;

BITS

1 it

—

UNLESS OTHERWISE INDICATED:

CAPACITORS ARE 0! MFD

)

AM2
ES

UNLESS OTHERWISE INDICATED!

DIODES ARE D662
PIN 7 ON EACH IC= GND
PIN 14 ON EACH IC= 45V
El 1S DEC7430N

AKZ PAl

ifo

"(“"

BIT 5 OUTPUT

BIT 8

€5

&
|

1 [o

T e

E®

_—

9-——\

1lio|

12
L_—

)

! io

1 ]a

)¢

BIT 5=AC7

1]ij0

BR2

Akl | sf0

13| © E"'

am2

BIT

8pt l;\z\gwg

EIt

13|10

BIT 4 = ACB

———— AU2
E7

J1:]
‘

€8

BITS

1}10

[

131

1la

TEETIEN
BIT 4

3
_f

5
L

170 CLEAR

BIT 3 OUTPUT

SHIFT

)

BIT4

BIT 3=AC9
p—m— AS2

]

&—

(o]
6

pP-¢

SHIFT

+3v

CLEAR FLAG 2

1]e |
0

ACTIVE

B2 w*r‘gruz'r

12
5;

CJIN LAST UNITDD-

BIT 2:=ACI®

Ei6

220
ifo

AN2

AUl

j——— AT2

. BIT 2 ) o 3

3 BIT | QUTPUT

Wby
hd

R T”"'D

€7

AD= |

Bv2-BR2

BIT {=ACiHl

]

ACTIVE (0)
CONNECT
T0
WAIT INPUT

BIT 1

OUTPUT

1310

BN2 —

[

€

AD{

EI2

P.LREQ.

10%

1:RI

BH2

> AE2

> 330

+3V

Bal

AC2,

R2
¢

2 170 SKP,

CLEAR FLAG 2

80!

—

+5V

P AV2

]

API

AHI

CLEAR FLAG1

BJ2

AA2, BAZ

——] READER RUN -

ao2

SELECTO

BC2,

1|0

AL2 READ BUFFER

AT GND

AC2, '

y 3 D668 3

HESISTORS ARE (/4 W, 5%
DIODES ARE D662
PIN 7 ON EACH IC = GND
PiN 14 ON EACH IC = +5V

ARI

El 8 E9 ARE DEC7430N

E2, ES, E8,EN, EM,EIS, Ei6 & EI7 ARE DEC7474N
E£3, E4, E5 , E7 ,E12 & EI8 ARE DECT400N
€13 IS DEC74I0N
EID IS DEC7440N

E2, E3,E4, ES, £6, E4,EI6,
E17 8 EI8 ARE DEC7474N

C-CS-M707-0-1
36

Teletype Transmitter

QTOQOQQQOOOOOOQO

06 0o

GND

Al O

Bl O

ci o
Di O—

El O
FI

b
i

oo<5$oéooéoéécLooélliloéooooJSooooaobacs

FLEXPRINT
CABLE #I|

FLEXPRINT
CABLE #2

R|~- R4

RES.

PARTS

B-CS-M%01-0-1

Flexprint Cable Connector

(]

DIO

DIl

Di2

Di3

Dis

DI7

Di9

D2}

D23

D28

D26

D24

D22

p20

Dis

Die

Di4

O-

—0

H2 &

~O
—0

J2 o

-0

K2 O

-0

L2 o

-0

Kl O

M2 O—

L1 O

-0

N2 O-

Ml O-

P2 O

—0

> FLEXPRINT

NI O

R2 O

Pl O

s2 O

[

D30

D32

D34

2D25

D27

Rl O

-0

T2 O

vz O

TI O

o )

ve O

1300170
PART NO.

PARTS

LIST IS A-PL-M903-0-0

Connector (Flexprinter)

TYPICAL

PIN ASSIGNMENTS

[

81,8l

pcos

+iov

+5v

45V

-I8v

-18v

+5V

6ND

GND

6ND

QC | H

Q A2 +5V

O AlpIN
~
-OB|

| LOGIC INPUT | LOGIC INPUT

D38

D37
*

o— —O

GND

SPLIT
LUGS

AL, Cl, FLKI,NI,RI,Ti

RELAY

+ O—

RELAY

- O

LOGIC INPUT

O H|

|READER ENABLE|READER ENABLE |READER ENABLE

|Losic ouTPUT

OM|

D39

D36

7> FLEXPRINT

LIST

AD29 4D3I 2D33 3P35

sl O

D40

E2 O

6 O

HI O

[

—0

B-CS-M%03-0-1

p2 &

[

GND C2 O—

A-PL~-MS0I1-0-0

R1 éRZ R3 éR‘% RS éRG R7 gRS RS RIO éRH RI2 RI3 R4 RIS RI6 RI7 RI8 RI®
T

DESCRIPT ION
PARTS

1/4W

LIST

REFERENCE DESIGNATION

—_

LOGIC OUTPUT | LOGIC OUTPUT
-

-5V

|-30V OPTIONAL -30V OPTIONAL| 30V OPTIONAL

c2,F2,d2,L2,N2,R2,U2
N

4 O-

O—

CONTACTOR
P

0K
oV

-30v
R!-R19
D37-D40
Di-D36

cl,c2

RES,
220 1/4W 5% CC
DIODE D662
DIODE D664
CAP. .OIMFD 100V 20% DISC
PARTS

REFERENCE DESIGNATION
i

B-CS-M%06-0-1

LIST

DESCRIPTION
PARTS

1300271
1100113

1100114
1001610
A-PL-M906-0-0
PART NO.

LIST

1503409

1300391

1.8K /2W (0% CC

RES.

10K

_I/4W 10% CC

1300481

R3,R4

RES.

750

1/2W 5%

1300354

RES.

750 2W

1301984

RI
RS
Di-08
c2-c7
cl

RES, IK_IW_10% CC
RES. 120 I/2W 5% CC
DIODE D671
CAP. _OIMFD_IOOV_20% DISC
CAP. IMFD_ 150V 0% FOIL
PARTS LIST

B-CS-W076-0-1

DESCRIPTION.

PARTS

1300400

RES.

REFERENCE DESIGNATION

Cable Terminator

TRANSISTOR DECE5340

RES. 15K I/4W 5% CC

Teletype Connector

LiIST

1301499
300243
1103308
1001610
1000063
A-PL-WO76-0-0

PART NO.

Msynard, Massachusetts |

printed in U.S.A.

Bdiloliltlall