Sparta CENTURY Series Manuel utilisateur

www.SteamPoweredRadio.Com

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CENTURY

ERIES

Models

4710,

4715,

4720

and

4725

Record Module (Part

of

Models

4610, 4615,

4620

and

4625

R/P Systems)

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5851

Florin-Perkins Road, Sacramento,

Ca

. 95828 •

(916)

383-5353 • Telex 377-488 • Cable

SPARTA

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www.SteamPoweredRadio.Com

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·1

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11

TECH ICAL

MA

UAL

CENTURY

SERIES

Models 4710, 4715, 4720 and 4725

R

cord Module (Part

of

Model

4610, 4615, 4620

and

4625 R/P

Sy

tern )

PRO

PR

I T

ARY

OTICE

part

El

ctroni

Corporation

propri

t

ry

data i

contain

d h r

1n.

ith

r

thi

docum

nt

nor

th

inform

tion

ontain

d h r

1n

ha I b

di

clos d

t

th

r

for

manuf

acturi

or

any

th r

purpo

xcept

authoriz

d in

writin

by

Sparta

El

ctronic

Corpor

ti

n.

iO

l 973

098-4710 5.00

,

$[}>~1~11~

E

ECTRO

IC

CORPO

ATIO

1

FLCRI

•P

RKIN

RD

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CR

M

NTO,

CAUFDR

IA

www.SteamPoweredRadio.Com

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CONTENTS_

CENTURY

SERIES FEATURES

INTRODUCTION

......•

•.

•..•••.•..••.•

• • .

.•.

, • , , .

GENERAL

DESCRIPTION

,

•.•

.••

..•..

••

.•

.

.....•••.

.•

•

SPEClFICATIONS

.. ..................

..

.........

..

.

INSTALLJ\TION

UNPACYJNG

.............

.

............

. . .

....

. . . . . . .

ENCLOSURES

•..•

•.•.

.

•.•••••.••••

. • •

.•........••

•

•.

AUDIO

&

CONTROL

CONNECTIONS

" . .. ...

..........

..

RECORD

PLUG

: ................. .... ............

..

.

1

2

3

4

6

7

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OPERATION

R

ECORD

PRESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

E.

0.

M.

REC

ORD

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

RECORD

LEVEL . • . . • . . • . . . . . . • . . • • . . • • • • • • . • • . . • . . • • 8

SOURCE

SELECT

. .. .... .. .............., ....

.......

. 8

TEST

fUNCT

I

ONS

................. . . . . ............. 9

RECORDING

PROCEDURE

.......... .............. ....

10

ELECTRONIC

ADJUSTMENTS

GENERAL ..... . . ................ .. ... ............. 13

PROGRAM BIAS .... ...........

..

..............

..

13

PRO

GRAM BIAS TRAP . • . . . • • • • • • . • . . . . . • • • . • . • • • • • • • • •

14

REC

ORD

BIAS

TEST

CALIBRATION . .......

..

.............

15

PROGRAM

RECORD

EQUALIZATION.

.........

• • • • • • • • • • • •

15

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I

I ,.

ELECTRONIC ADJ

USTMENT

S (

Cont

'd)

PROGRAM

VU

METER CALIBRATION

STOP

TONE LEVEL

.••••..•

•••

.••.

.•

•.•••..

.

..•••.

.

CUE

TONE BIAS

CUE

BIAS

TRAP

.......................

..

.........

..................................

E , O . M . TONE LEVEL •

•......

•

•••

•.•••.

·

•..

. .

•.

.•.•

TONE TEST C

ALI

BRAT

ION • .

..•••.•.....

.

........•..

ENC

ODER

LEVEL

. •

•.••••••.

.

•.

...•

.

•.••••

•

..•

. • •

ELECTRONIC ADJUSTMENTS

AND

TEST

POINTS

(P

-4

2}

..

CIRCUIT

DESCRIPTIONS

POWER

SUPPLY

...

.....

.......

....

.

...

....

...

. .

CONT

ROL

CIRCUIT

RECORD

CIRCUITS

1

50

Hz

GENERATOR .

..

..•

.

••....•

•

.•.....•......

. .

WA

RRANTY

SCHEMATICS

S-155

Monaura

l

Record

Circuit

S-15

8

Ste

r

eo

Record

C

ir

cuit

S

-16

3 1

50

Hz

E . O . M .

Osc

ill

ato

r

P-44

Century

Pl

ayback-Record

B

lo

ck

Diagram

16

17

18

19

20

21

22

23

25

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INTRODUCTION

Th

e

Centu

ry

Se

ri

es

of

cartridge

record

modul

es

are

intended

for

use

with

M

ode

l

4510-4525

cartridge

r

eproducers

.

The

record

modul

es

are

available

in

four

ba

slc

mode

ls:

4710 - mono r

ecord

,

with

stand

a

rd

1000

Ilz

stop

t

one

generato

r .

4715

-mono r

ecord,

w

it

h

added

150

H:z

EOM tone

generator

.

4720

-

st

e

reo

re

cord

,

with

sta

n

da

rd

1009

Hz

stop

tone

genera

t

or

.

4725 -

ste

r

eo

r

ecord

,

with

added

1

50

Mz

EOM

tone

generator

.

Thes

e

mode

ls

include

a r

eco

r

ding

h

~ad

to

conve

rt

the

appropriate

re pr

oduce

r

module

to

a r

ecord/p

lay

back

unit.

Refer

to

the

Rep

r

oducer

Operating

Manual

for

de

ta

ils

of

installat

i

on

and a

li

gnment

of

heads

.

Century

Se

ri

es

cartridge

equipme

nt

is

also

supplied

in

completely

assembled

and

tested

r

ecord/

pl

ayback

systems

as

fo

ll

ows

:

4610 - mono r

ecord/

pl

a y

wit

h

sta

nd

a

rd

l000Hz

generato

r

/detector.

4615 -

mo

no r

ecord/p

la y

with

added

150

Hz

!:OM.

gene

r

ator/detector.

4

620

-

stereo

r

ecord/p

l

ay

w

ith

stundard

l00qHz

gen

era

t

or/de

te

cto

r .

4

625

-

stereo

r

ecord/p

la y

with

added

150

Hz

EOM

generu

to

r/d

cteclor

.

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G:CNI:ML

DCSCRIPTION

Th

e

recor

d

and

rep

roduce

modu

les

are

the

same

size

,

facilita

tin

g a

variety

of

mounting

configura

ti

ons

:

Dual

table

top

with

flip

top

cover

Tripl

e

rack

mount

(1

R/.P

plus

oplionul

play

only)

Quad

custom

cabinet

(2

R/P

or

1

R/P

and

2

play

on

ly)

A

ll

electronics

for

audio

a

nd

t

one

rec

ording

are

on

a

single

plug-in

printed

circuit

board

,

as

is

the

power

supply

regul

a

tor.

Thus

,

each

model

uses

th

e

snme

basic

p·.c .

board,

l

ess

unneeded

circuit

component

s .

Program

bias

l

evd

can

be

adjusted

through

an

access

hole

in

the

p.c

.

bourd

cover.

A com

bination

of

discrete

and

integrated

circuits

have

been

used

in

the

record

circuits,

to

provide

best

possible

per

for

ma

nee

.

Record

modu

l

es

have

separate

re

gu

l

ated

power

supplies

,

and

utilize

a

single

switched

bi

as

oscillator

for

progr

am

and

to

ne

recording

circuits.

Three

pushbutton-selected

audio

inputs

are

provided

on

the

front

panel

of

each

r

ecord

module,

plus

switch

positions

to

check

bias

and

ton

e

record

l

evels

.

Audio

inputs

and

Remote

Control

connections

are

made

to

the

barrier

strip

at

the

r

ear

of

the

module.

/\n

Encoder

i

np

ut

is

also

provided

,

to

record

AfSK

or

Touch

Tone

data

on

the

cue

track

for

use

in

automatic

logging

systems

.

-2-

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FREQUENCY

RI:SPONSE:

NOISE:

DISTORTlON:

EQUA

LI

ZAT

I

ON:

AUDIO

INPUTS

:

METERING:

CUE

SIGNALS

:

BlAS

OSC

ILLATOR:

REMOTE

CONTROL

:

DIMENSIONS:

POWER

:

WEIGH

T:

SPECIFICATIONS

50-1

5

,0

00

Hz+

2db

55db

or

more

be

low

saturation

r

eco

rdin

g (mono)

52

db

or

more

be

l

ow

sa

tur

ation

r

ecording

{st

ereo

)

2%

or

l

ess

, r

ecord-

r

eproduce

at

NAB

Standard

Reference

Level

NAB

(

Adjustable)

3

selected

by

pushbuttons,

balanced

bridging,

-10

to

+8

dbm

Progra

m r

ecord

l

evel,

cue

r

ecord

level,

bias

I

·1

NAB

l

kHz

stop

standard;

1

50

Hz

E.

O.

M.

optional;

Encoder

input

for

Ar

SK

I

-3

-

68

KHz,

sepa

r

ate

switches

and

l

evei

controls

for

pr

ogram

and

tone

recording

Pr_og

r

am

r

ecord

,

EOM

r

ecord

RecGrd

and

pla y

back

modules

each

6"Hx

·

S3/4"Wx

l

4"D

117

volts,

50/60

Hz

(

available

for

230

VA

C

on

spec

ial

order

)

R

eco

rd

module,

8

lbs

.

Recor

d/playback

with

dua

l

li

d,

27 l

bs

.

I

1.

I

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I

INST/\LLATION

UNP

ACKING:

After

r

emov

in

g

the

equipment

fr

om

the

shipping

container

,

carefu

ll

y

inspect

if

for

shipping

damage

.

If

damage

is

discovered,

make

a

written

reque

st

to

the

carrier

for

inspection

,

and

r

etain

a

ll

cartons

and

fill

ers .

Th

e

carrier

is

responsible

for

any

damage

incurred

in

shipping

,

but

the

claim

mu?t

be

promptly

filed

by

th

e

r

ece

iver.

ENCLOSURES:

Tabl

e t

op

units

a

re

shipped

with

lids

inst

a

ll

ed

.

However,

Triple

Rack

Mounts

and

Quad

Cubinets

are

shipped

sepa(ately

from

the

r

eco

rd

and

pl

ayback

modul

es

.

Th

e r

ecord

and

playback

modules

are

fa

stencd

together

for

use

with

the

Dual

Lid

and

Triple

Rack

Mount.

A

10-32

x

1/2"

machine

screw

secures

the

two

modules

tog

ether

at

the

upper

rear

inside

edges

. A

cha'ssis

tie

tab

is

used

at

the

top

front

edges

.

If

a

record

module

is

orde

red

separately

,

the

chassis

tab

w

ill

be

supplied

.

When

ordered

with

the

Triple

Rack

Mount

,

modu

les

w

ill

be

supplied

with

sma

ll

t

abs

fasten

ed

to

the

upper

r

ear

edge

of

the

p.c .

board

covers.

After

the

modules

.

are

in

the

rack

mount,

the

screws

sec

uring

the

tabs

shou

ld

be

loos

ened

and

rc

ti

ghtened

with

the

tab

extending

vertically

so

as

to

prevent

th

e modul

es

from

accident

a

ll

y

being

pull

ed

ou

t

of

the

rack

mount.

The

modules

can

be

secured

to

t

he

r

ack

adapter

by

turning

th

e l

ocking

latch

screws

clockwise

.

The

se

are

Phillips

head

screws

loc

at

ed

beneath

each

module

cage

.

-4-

www.SteamPoweredRadio.Com

The

re

cord

and

pla

yb

ac

k

modu

l

es

a re n

ot

'

faste

ned t

oge

t

he

r

wh

e n u

sed

with

th

e

Qu

ad

Cabine

t,

due

to

th

e

ventilation

separators

a t t

he

fr

o

nt

of

the

cabinet.

Ext

e

nd

ed

le

ngt

h

cab

l

es

are

supplied

so

as

to

pe

rmit

considerable

individual

mov

eme

nt

of

the

r

ecord

or

pl

aybac

k

module

.

If

d

es

ir

ed

,

th

e

modules

can

be

sec

ur

ed

to t

he

cabinet

by

means

of

ang

le

brackets

whi

c h a

tt

ach

to

th

e

up

pe

r

part

of

th

e p .c .

boa

rd

covers

.

Th

e r

ecord

modu

le

has

a

short

cable

te

rmin

a

ting

in

an

8-pi

n

co

n

necto

r

which

plug

s

into

the

re pr

oduce

module .

The

a- c

cord

of

th

e

record

modu

le

can

be

plugged

in

to

the

a

ccesso

ry

outlet

of

th

e r

eproduce

modu

le ,

if

desired.

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Sparta CENTURY Series Manuel utilisateur

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