Marantz CD-400B, CD-4 Owners Manual

v

--~

••••.

A WHOLLY-OWNED SUBSIDIARY

alll

MARANTZ

CO;,

INC.·

Model

CD-400B

CD-4

..

P.O.

BOX

99·

SUN VALLEY,

OF

SUPERSCOPE INC., SUN VALLEY, CALIFORNIA 91352

Disc

CALIFORNIA·

Demodulator

91352

'WARRANTY'

'Marantz: Company. Inc., proudly warrants

inmateriafand

workman,ship

. .

Electronic Components and. Receivers .

·...eadphones

4-Channld-

P1ug~in

SpeakQfS afld Cabinets

as

follows: .

From

Remote Control

Matrix

Dec:oders

YO!-"

.date,

...

Ma

...

of

ntt

product

purchase .

"

to

.befree

PARTS·

LA"

BO'R"

PARTS" LABOR,

PARTS. LABOA- .

PARTS'· LABOR'

PARTS· LABOR - 5 years

ofmanufaeturing

3

_ years

Syears

3 years

3years

3 years

3 '1ears

3 years

-3

years

5 years

defects

TO VALIDATE YOUR WARRANTY; ISTRATION CARD TO MARANTZ COMPANY.

91352, WITHIN TEN

F()r'

Warranty repair, Cillifornia 91352,01' Marantz·will pay returrishtpPlngehatges

VVarranty

This repaired in any manne{ whicb Marantz believes may affect is

not

OPerated in accordance witll

Marantz shall ha'le no liability whatsoever for consequential damages. The sole responsibility Company, Inc., under this Warranty shall be linlited in

the sole discretion

EXCEPT THERE

THIS PRODUCT.

THE

TOTHE

IS

NO

PROVISIONS

DAYS

FOllOWING

send

this produ.ct,to Marantz COmpa"y, lnt:,

to

an AUTHORIZED. Matantz Service Station. AllShipping charges must

is

void if

IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS

the

serial number has been altered

of

Marantz C()mpariy.

EXTENT THATAPPLICABLE

NOR

ARE THERE

OFTHISWARRAN'tY.

8150

Vineland Avenue,

YOU

MUST

INC.~

THE DATE OF PURCHASE.

toanydeilignatedpoint

theinstruetion

ANY

manual,

InC.

LAW

OTHER WARRANTIES

. .

Sun.

Fill

OUT

AND

P.

O.BOX

within the United States. .

or

removed;

the

reliabitityof

to the repair

t'RECllJOES A DISCLAIMER OF WARRANTY,

Valley,

REGISTRATION FOR

Model Purchased

Calijor'nia

MAIL THE WARRANTY

99,

SUN

VALLEY, CALIFORNIA

8150

Vineland Avenue, Sun Valley,

if

the

prowctk

the

product;

of

the product. or replacement ther.eof,

WHICH

if

WITH

REsPECT .

EXTENT BEYOND'

91352'

MARANTZ

WARRANTY

3-YEAR GOLDEN

REG-

be

prepaid.

modified the

product

of

Marantz

or

TO

AC

Line Operation

WARNING: NOT

TO

EXPOSE

THIS

PREVENT

FIRE

APPLIANCE

OR

SHOCK

TO

RAIN

HAZARD,

00

OR

MOISTURE.

of

Date Place

Address Serial Number

The above a valuable purchase. same reply card insurance record and must also have any correspondence

Purchase

of

Purchase

time

_..--_

~

information

that

you

fill

to

Marantz. This

City

_ _ State _

becomes

It

should in and mail the warranty registration

information

with

Marafitz.

your

be

promptly

be

permanent record

filled

provides a valuable

referred

to

should you

in

at

of

the

I

FOR

To obtain from structions and carefully.

This manual covers installation and operation in simple, nontechnical

Model CD-400B in more technical detail.

For quick identification nections, references

FACE

WORD

optimum

the Model CD-400B,

is

language.

TYPE.

performance and enjoyment

follow

the step-by-step procedures

divided

into

The second describes the

of

to

these

please

the controls

are

study these in-

two

parts. The

printed in BOLD-

and

first

con-

may institute a claim against the carrier

shipping

material tion. Should Company claim., Please Card Golden Warranty

Marantz Company receives the registration card, which

CD-400B.

TABLE

damage. as

fill

as

soon

was

evidence

assistance

will

cooperate

out

and

as

packed

0

Save

the carton and all packing

of

damage

be

fully

mail the Warranty Registration possible. The Marantz 3-year

will

not

go

in

the carton

C

NTENTS

for

their

required, the Marantz

in

assisting

into

effect until the

with

your

for

inspec-

your

Model

GENERA

Your operate demodulator channels from CD-4 records. The Model CD-400B

incorporates cuit frequency carrier level control which selects the carrier level for the cartridge being 4 records may 400B CD·400B's controls do play non-CD-4 records.

played and the MODE pushswitch

4 CH

illuminate demodulated

AFTER

Marantz Model CD-400B

to

minimize record noise

response,

without

AUTO

and

DESCRIP

for

obtaining

an

Automatic Noise Reduction Cir-

and

an

also

be

played through the

affecting their performance. The

not

have

When

position, the

the record

into

four

RADAR

will

discrete channels.

UNPACKIN

10

is

a simple

four

without

automatic

to

CD·4 records

automatically

affecting

optimum

used.

NoncCD-

be

adjusted

is

indicator

to

discrete

30

kHz

CD-

to

are

in the

will

be

Connecting the CD-400B

Adjustments

Panei

Front

Power Indicator Power Switch Selector Switch Mode Switch

Rear

Panel

CH

2 Phono I Aux 4

CH Chassis Separation Controls

Line Cord Operation Notes Functional Description General Specifications Service Notes

Repairs

Features

Direct Out Switch and Jacks

nput

Jacks

Input Jacks

Out Jacks

Ground

2 2

4

4 5

5

6

8

8 8

It

is

advisable terial transport 8 Please'inspect signs control and professional pride ensure CD-400B the mediately shipped company with'out delay. Only you, the consignee,

for

repacking

of

unit

to

retain all original packing

prevent

or

ship the Demodulator (refer

shipping

left

is

notify

you directly,

damage

and

shipping instructions),

your

CD-400B carefully

damage.

the factory in perfect condition.

damaged

your dealer.

should'

Our very

or

fails

notify

to

If

the transportation

you wish

to

page

for

strict

quality

that

each

operate, im-

the

unit

ma-

to

any

If

was

LIST

1.

Connection Diagram

2.

Front

3.

Rear

Facilities and Controls

4.

Cartridge Mounting

5.

Functional Block Diagram

6.

Packing Instructions

FilL S

Panel

Switches

Panel

Connection

RATIONS

3

4

5

6

7

8

CONNECTING

Turn

off

the Model CD-400B and any equipment

that

will

be

connected connections. The CD-400B must turntable or changer equipped designed

1.

Connect the turntable or changer panel

cables recommended

facturer. Using any other cable may seriously

degrade the performance

TURNTABLE/CHANGER LEFT

RIGHT GROUNDING

2.

Using standard shielded audio cables phono plugs make the following connections.

4·CHANNEL

FRONT FRONT REAR

REAR PHONO PHONO

3.

A discrete 4-channel playback device (0-8 cartridge player, 4-channel discrete reel-to-reel tape deck, etc.) may 400B using standard shielded audio cables phono plugs

DISCRETE PLAYBACK

LEFT CHANNEL

LEFT CHANNEL 2 or

for

of

the CD-400B

OUTPUT

WIRE

AMPLIFIER CD·4/AUX CD-4/AUX

CD-4/AUX CD·4/AUX

IN

LEFT

IN

RIGHT

4-CHANN.El

DEVICE

FRONT

REAR

1

or

CD-4 records.

L R

L

R

as

follows:

L F

or

TRACK L R

or

TRACK

be

1

2

T E

to

it

with

by

of

connected

C.

before making any

be

with

the special audio

the cartridge

the CD·400B.

CD-400B to

lEFT

to

RIGHT

to

CHASSIS

CD·400B

to 4

CHANNEL

FRONT

to

4 CHANNel FRONT

to 4 CHANNEL

REAR

to

4 CHANNel

REAR

to

2 CHANNEl

RECT

to

2

CHANNEL

RECT

CD-400B

to

FRONT

to

REAR

-4008

used

a cartridge

to

the rear

PHONO

GROUND

l

R L R

OUT

OUTRJGHT

to

the CD-

AUX

with

manu-

with

OUT OUT OUT OUT

DI-

lEFT

01·

with

4.

Set the controls on the 4-channel amplifier in

a

accordance tions.

5.

Set the CD-400B's switch

6.

Set the the PHONO position.

7. Set the rear panel DIRECT

with

to

the 4 CH

front

the manufacturer's instruc-

front

panel MODE push-

AUTO

panel SELECTOR pushswitch

position.

OUT

switch

to

OFF.

8.

Connect providing the AC voltage and frequency specified on Turn on the turntable, amplifier.

ADJUSTMENTS Before the Model CD·400B

ulate CD-4 records, a few simple adjustments must The following adjustment procedure should be performed whenever a new cartridge or stylus installed.

1.

Decrease main amplifier can

2.

Play the CD-4 ADJUSTMENT TONE band the test record.

3. Adjust the rear panel

CONTROL

left

4.

Play the CD-4 ADJUSTMENT TONE band the test record.

5.

Adjust the rear panel CONTROL rear speaker.

6.

PlaytheCHANNELBALANCE TONE band

l

BALANCE adjust four channel balance.

the

rear panel serial number nameplate.

be

made.

the

be

heard.

for

rear speaker.

for

of

CONTROLS

the

relative sound level

channels

AC line cord

front

minimum

to

channel volume on the

so

that

minimum sound

the test record and using

achieve a satisfactory

to

an

AC

CD-40GB

can

only

LEFT

sound level

RIGHT

of

and 4-channel

properly demod-

the rear speakers

SEPARATION

from

ADJUSTMENT

the main amplifier,

of

each

outlet

of

from

the

of

the right

the

of

the

four

is

'....t

RIGHT CHANNEL

RIGHT

FRONT

or

3 orTRACK 3

REAR

or

R

R R

For

or

CHANNEL 4 orTRACK

4

tp

FRONT

to

REAR

AUX

R

NOTE: The CD-400B contains a special

to

control detector and thereby optimize its per· formance. No adjustments level (band

the

lock

range

of

2

of

the supplied test record)

the carrier

for

circuit

carrier

-.t

--

are therefore necessary. However, extreme cases stylus carrier

range

or

level

of

badly worn discs and

poorly designed cartridges, the

output

may be outside the

automatic compensation, caus-

in

ingdistorted

4-channel operation.

sound and intermittent

If

this

is

the either. a new disc, a new stylus, better cartridge must be secured.

case,

or

a

00

1----------

'-----------'

4·CHANNEL

TAPE

DECK

I"~

U

-

0

FRO"T

REAR

. OUTl'ItT

LEfT

RIGHT@

LEFT

RIGHT

© ©

.

©

MARANTZ

MODEL

CD-400B

OUTPUT

CD·4

RECORD

PLAYER

4·CHANNU

AMPLIFIER

FRONT

POWER INDICATOR

The

POWER INDICATOR illuminates

that

the

pushswitch is depressed.

POWER SWITCH

The

POWER pushswitch activates

CO·400B's power

switch

SELECTOR SWITCH

When the

2-channel,

When

has been jacks will 4 CH

is

this

Model CO-400B

set

OUT

PANEL

Model CD-400B

when

released,

switch is

or to

connected

be

the

4,channel

the

AUX position,

fed

directly

jacks. This permits listening

is

depressed. When

AC

power

set

to

is

set

matrix

to

the

through

FEATURES'

to

signify

on

when

the

POWER

the

Model

the

push-

is

off.

the

PHONO

for listening

records.

any

rear

panel

input

AUX

the

CO-400B's

position,

to

CO-4,

that

input

to

dis-

crete

4-channel

deck,

4-channel reel-to-reel

MODE SWITCH

4 CH AUTO: When in CO-4 with

and

with

left channel amps

.

2CH:

including CO-4 records,

the

may

.

render tion.lf 2 CH position.

RADAR: When

the

will illuminate

records

four

4-channel

the

left

front

is

..

When in

2-chimnel mode.

contain

them

this

4 CH

AUTO

sources

will

automatically

discrete

and

fed

unplayable occurs,

when a COA

channels.

matrix

channel

left rear amps, while

to

the

enough

set

the position,

Figure

2.

Front

Panel

Switches

such as an

deck,

the 4 CHAUTO

records will

of

the

right

front

8-track

etc.

be

reproduced

2-channel

be

reproduced

record fed

the

and

right rear

tape

position,

records

to

the

right

2 CH POSItIon all records,

will be

Some

high

frequency

in

the

MODE

MODE pushswitch

the

record

reproduced

2-channet records

signals

4 CH

AUTO

switch

RADAR

indicator

is

being played.

is

to

set

in

to

posi-

the

to

2

CH

01

RECT

When signal These jacks playing stereo or 4-channel matrix records. set signal

set

is

fed directly

jacks may

of

an

to

the OFF position, the PHONO INPUT

is

processed

OUT

SWITCH

to

the ON position, the PHONO INPUT

to

the DIRECT

be

connected

amplifier

as

an

by the CD-400B.

AND

JACKS

OUT

to

the PHONO IN

alternate method

jacks.

for

When

Figure

3.

Rear

Panel

4 CH

OUT

JAC

KS

These

high level

to

the

AUX

console amplifier CHASSIS GROUND

This binding post ground wire

output

IN

or

CD-4/AUXjacks on a 4-channel

or

from

the turntable

Connection

jacks should

pre-amplifer.

is

for

Facilities

the connection

and

Controls

be

connected

or

record changer.

of

the

PHONO INPUT JACKS These

magnetic cartridge.

AUX

These level source. Manufacturers may terminology should be exercised nel 4·channel nomenclature equivalents:

:JI

LEFT

RIGHT

jacks

are

intended

INPUT JACKS

jacks

are

for

connecting any 4-channel high

for

the

four

to

avoid confusing the chan-

connections. The following

FRONT REAR

LF-LFLR-LBRF-RFRR-RB-

to

be

used

with

use

different

channels, and care

are

examples

CHANNEL CHANNEL CHANNEL CHANNEL

1 -TRACK 1

2 -TRACK 2 3 -TRACK 3 4 -TRACK 4

a CD-4

of

SEPARATION CONTROLS

The

LEFT TROLS adjust channel separation between the left

front

rear

speakers

LINE

Connect the AC line cord

ing the AC voltage and frequency specified on the rear panel serial number nameplate.

CORD

and

left

respectively.

RIGHT

rear

and

SEPARATION CON-

right

front

and right

See

adjustment section.

to

an

AC

outlet

provid-

5

OPERATION

NOTES

,FUNCTIONAL

QESCRIPTION

1. Separation Once should tridge

2.

Anti-Skating

For anti-skating force carefully adjusted in, accordance with manufacturer's instructions.

3. Cartridges Only a magnetic cartridge designed for CD-4 reproduction will provide usable playback results. pendicularto The stylus must be dealer

4. Turntable Leads Only coaxial use should be used. Consult proper type.

5.

TV Interference A TV may interfere with playback

If

this should occur, either

move

6. Record Care CDA records require cleanliness. Keep away from dust, dirt and cigarette smoke. Clean ing device before playing and before storing. Do

not

increase noise

Adjustment

the

separation controls are set

not

need readjustment until

and/or

optimum

The

for

set

the

them

stylus

cartridge must be

cleaning accessories.

located near

record player away from

with a high quality record clean- ence signal

use solvents or water because

is

replaced.

results

the

audio

on

with

the

on

the

turntable

record surface. See Figure 4. '

kept

clean. Consult

cables designed for CD-4

your

the

CDA

turn

the

discs.

the

CD-400B,

should

mounted

dealer for

record player

of

CD-4 discs.

off

the

TV.

they

car-

per-

your

TV

them

will

the

be

the

or

In

the

CD-4 record two

on

each wall SIGNAL 30

KHz carrier modulated itl frequency by DIFFERENCE SIGNAL

Referring

~,

compositesignal picked up is

first passed through a circuit which provides standard RIAA equalization. Its split into through a Low Pass filter signal through

the

ping

in

this path

output

path

.takes which blocks modulated high frequency carrier to

the

proper level. There, recovered (detected) by means Phase Locked Loop circuit.

automatically adjusted cartridges

The Low Pass filter

suppresses

carrier, leaving only fn

recording,

ratio and crosstalk. The circuits labelled De-

emphasis and

are intended

of

the

LF + La

to

the

block diagram of Figure 5,

two

different paths: One

to

the

carrier. A separation

to

compensate for

level from different cartri.dges.

the

signal through a

the

FM

Detector,

and

set-up conditions.

any

vestiges of

the

frequency response

is

modified

AN

RS

to

restore

sigAals

same groove. One

(or

RF + Rs).

LF

·mixing circuit while stop-

sum

to

that

follows

the

original difference signal.

to

in

the

CD-400B block diagram

the

are superimposed

is

The

other

-

L8

(or

RF

b¥

the

phone

output

path

that

lets only

adjustmentis

the

variation

The

High

Pass Filter

signal,

after the

suit

improve signal-to-noise

but

allows

-to

be presented

amplification

difference signal

of

a low distortion

The

30

kHz level

different

the

FM

the

high frequency

of

the

original response

the

SUM

is

the

.:.

Rs).

the

cartridge

signal

goes

the

sum

included

:in

bther

the

to

types

of

detector

differ-

of

a

is

I

--

..

,--

WRONG

\

I

V

,

\

I

-,

J RECORD

SURFACE

.

~

90°

a..-_~

RIGHT

I

CARTRI.DGE

__

RECORD

..

SURFACE

r---WRONG

I

Figure

4.

Cartridge

--:-;-""'-_J

Mounting

RECORO

SU

AFACE .

the difference signal while reducing noise is

played, the Muting/4-CH Radar the presence of

its special circuit, turns on the Radar light and opens the path regular stereo record circuit shuts signal path, contains all the information reproduction) This

same

with

an

external pushbutton.

Once the recovered, the rest Mixing Circuit

yielding the discrete channels. For example:

(LF

+ Ls) +

channels are derived in a similar manner.

and

crosstalk.

of

the 30

for

off

the Radar light and the difference

so

that

is

function

sum

and difference signals have adds

(LF

kHz,

the difference signals.

is

on'ly the

allowed

can

is

and

-La)

at

the

same

When

a CD-4 record

circuit

carrier and, by

played,

be

simple'

= 2

the

same

sum

signal (which

necessary

to

reach

manually performed

arithmetic. The

subtracts these signals

LF.The

senses means

Muting

for

stereo

the output.

other three

time

If

been

a

Figure

5.

Functional

Block

Diagram

1JO---oRs

G-ENERAL

SPEC

FICATIONS

SER\JICE

NOTES

Power Requirements Power Consumption , Dimensions

Weight , Unit Alone:

...

..

. . . . . . . .

120V AC,

..

Width:

Height: 3-7/8 inches

Depth:

50

..

8-1/4

12·314

Shipping:

to 10

Watts

inches

7.37

8.70

60Hz

lbs. lbs.

REPAIRS

Only

the

most

competent

technicians should

Marantz Model CD-400B.

The

Marantz Company and its warranty station

personnel have

ment

needed for

precision instrument.

In

the

event

factory (to

Department) for nearest Marantz warranty

station. Please include

ber

of

the

problem,

If

it should ever be necessary

the

factory

the

unit terial. lost attention for new packing material. Carton, fillers and packing instructions a nominal charge.

No out Marantz Company will supply if of

If

or

unit

an Authorized Return·· Label, which

difficulties appears

of

the

unit

or

carefully using

the

packing material has been discarded,

damaged, write

of

the

should be returned

be

the

knowledge and special equip-

the

repair

difficulty, write directly

attention

the

together with a description

authorized service station, pack

Technical Service Department)

will

and qualified service

allowed

and

of

name

or

the

model

the

to

be

to

warrant factory service,

to

service

calibration

the

Technical Service

and

address

authorized service

and

serial

to

ship

the original packing

the

factory (to

returned

to

the

to

factory

the

description

of to

of

num·

of

unit

you

wjth~

the

this

the the

the

to

ma-

the

at

the

Figure

6.

Packing

Instructions

Please pack theCD·400B as illustrated

in

Figure

6.

Insure sure shipping label. Ship

NOT

receipt from

the

Model CD-400B for its full value. Make

that

your

correct return address

USE

PARCEL POST.)

the

carrier.

via

a reputable carrier. (DO

Be

sure

to

is

on

the

obtain a

The Sound

is

the

It

IS a dancing flute, a haughty bassoon

and

the

The Sound

and Marantz

the subtle joy Wonderfui adventures when you discover 'that

is

the

of

Marantz

compelling

plaintive

of

Marantz

equipment

of

sound

of

music

warmth

call

of

a lone French horn.

is

the

is

designed

its delight.

In

sound await you

the

at

its very best.

a Stradivarius.

sound

Sound

of

beauty,

to

bring you

of

Marantz

PRINTED

IN

JAPAN

2922851010

Marantz CD-400B, CD-4 Owners Manual

Specifications and Main Features

Frequently Asked Questions

User Manual