Hitachi HRD-MD10 User manual

Table of contents

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©

HITACHI

AM-FM

STEREO

CASSETTE

RECORDER

Model

HRD-MD10

INSTRUCTION

MANUAL

SAFEGUARDS

i

Electrical

energy

can

perform

many

useful

functions.

This

unit

has

been

engineered

and

manufactured

to

assure

your

personal

safety.

Improper

use

can

result

in

potential

electrical.

shack

or

fire

hazards.

In

order

not

to

defeat

the

safeguards,

observe

the

following

instructions

for

its

instafagion,

use

and

servicing

IMPORTANT

FOR

U.K.:

The

wires

in

this

mains

lead

are

coloured

in

accordance

with

the

following

code:

Blue:

NEUTRAL

Brown:

LIVE

As

the

colours

of

the

wires

in

the

mains

lead

of

this

apparatus

may

not

correspond

with

the

coloured

markings

identify-

ing

the

terminals

in

your

plug

proceed

as

follows.

The

wire

whcih

is

coloured’BLUE

must

be

connected

to

the

terminal

which

is

marked

with

letter

N

or

coloured

BLACK.

The

wire

which

is

coloured

BROWN

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

L

or

coloured

RED.

UNPACKING

Do

not

throw

away

the

HRD-MD10:

carton

and

packing

material.

These

come

in

handy

if

you

ever

have

to

tran-

sport

or

ship

your

unit,

and

they

can

help

substantiate

any

claim

for

damage

incurred

in

transit.

INSTALLATION

Avoid

the

use

of

this

unit

in

high

temperature

areas

(such

as

near

heating

equipment)

or

in

direct

sunlight.

The

unit

should

be

installed

on

a

solid

base

to

avoid

vibrations

(vibrating

floor

boards

etc.)

during

record

playing

or

|

loudspeakers

feedback

vibrations

(if

the

loudspeakers

and

the

main

unit

are

installed

on

the

same

base).

LOUDSPEAKERS

Both

loudspeakers

should

be

installed

at

the

same

distance

from

the

listener.

For

the

best

stereo

listening

the

distance

between

the

two

loudspeakers

should

not

be

too

great

or

too

small.

By

connecting

stereo

head-

phones

it

is

possible

to

switch

off

the

loudspeakers

for

private

listening

(See

“Listening

through

headphones”

section).

Noise

reduction

manufactured

under

license

from

Dolby

Laboratories

Licensing

Corporation.

“Dolby”

and

the

double-D

symbol

are

trademarks

of

Dolby

Laboratories

Licensing

Corporation.

NAME

OF

PARTS

@

Tone

control.indicaters

Volume

control

@®

Stop/Eject

button

(OA,

@.Tonexcontwols:

Function

selector

Fast

forwafd

button

(>)

®

Dial

pointer

@

Power

indicator

Rewind

button

(<<)

@

MW/LW

selector

@

Level

indicator

@

Playback

button

(>)

®

Balance

control

®

Record

level

control

@)

Recording

button

(O)

FM/AM

selector

®

Tape

selector

@

Power

switch

®

Tuning

control

©

Microphone

jack

@®

Cassette

holders

Volume

indicator

Pause

button

(@8)

@

Headphones

jack

®

Dolby

NR

switch

REAR

@)

FM

antenna

(aerial)

terminals

(75

ohms)

@

FM

antenna

(aerial)

jack

(75

ohms)

@

AM

loop

antenna

terminals

@

AM

external

antenna

terminal

@

CD

input

jack

@)

PHONO

terminal

(For

HT-MD10

only)

@

Radio

interference

frequency

(RIF)

cancel

switch

@

Speakers

terminals

PRECAUTIONS

@

Never

use

strong

detergents

or

solvents

for

clean-

@

Be

careful

not

to

damage

the

power

supply

cord.

ing

the

cabinet

of

this

unit

as

they

could

damage

Be

sure

to

hold

the

plug

when

pulling

it

out;

do

not

the

surface

finish.

pull

the

cord.

@

Protect

the

unit

against

excessive

heat

(e.g,

direct

sunlight),

dust

and

moisture.

TUNER

OPERATION

Note:

When

operating

the

tuner,

set

the

Power

of

CD

player

to

“OFF”

1.

Insert

the

power

supply

cord

into

a

convenient

AC

5.

Adjust

the

Volume

control

@

and

Graphic

equa-

outlet

and

press

the

Power

switch

@

to

the

“ON”

lizer

controls

@.

position

then,

Power

indicator

@

lights.

6.

Adjust

the

Balance

control

©

so

that

the

sound

2.

Set

the

Function

selector

to

the

“TUNER”

posi-

seems

to

come

from

a

point

midway

between

the

tion.

two

loudspeakers.

3.

Press

the

FM/AM

selector

©

(and

MW/LW

selec-

7.

To

turn

off

the

radio,

set

the

Power

switch

@

to

tor

®)

to

select

the

desired

band.

“OFF”.

4.

Turn

the

Tuning

control

@

to

select

the

desired

Station.

i

:

3

=

=

ANTENNA

(AERIAL)

INFORMATION

.

po

ee

@

FM

Reception:

FM

antenna

It

is

necessary

to

connect

an

external

antenna

(aer-

ial)

[either

a

dipole

or

outside

antenna

(aerial)]

to

|

75

ohms

i

the

FM

antenna

(aerial)

socket

(75

ohms)

@

or

FM

|

|

!

coaxial

;

cable

antenna

(aerial)

terminals

(75

ohms)

@

AM

(MW,

LW)

Reception:

@

AM

loop

antenna

Always

ensure

that

the

accessory

AM

loop

anten-

na

is

connected

to

the

AM

loop

antenna

terminals

®@

on

the

rear

panel

of

the

unit

for

use.

Detach

the

AM

loop

antenna

from

the

set

and

locate

the

position

which

provides

the

clearest

reception.

(For

instance,

it

can

be

used

by

at-

taching

to

a

wall

or

to

the

back

of

the

audio

rack.)

@

Outdoor

AM

antenna

When

using

the

unit

at

a

distance

from

the

broad-

casting

stations

or

nearby

a

ferro-concrete

build-

ing

where

the

signal

field

strength

is

weak,

an

outdoor

AM

antenna

should

be

installed.

Connect

the

vinyl

wire

to

the

AM

external

antenna

terminal

@

on

the

rear

of

the

unit

and

secure

it

where

reception

is

optimum.

The

AM

loop

an-

tenna

should

not

be

disconnected.

RADIO

INTERFERENCE

(RIF)

CANCEL SWITCH

When

recording

an

AM

program,

beat

interference

(created

by

the

station's

frequency

and

harmonics

of

the

recording

bias

frequency)

may

occur.

In

this

case,

the

Radio

interference

(RIF)

cancel

switch

@

should

be

set

to

another

position.

TURNTABLE

AND

CD

PLAYER

OPERATION

See

Connections

on

page

7.

1.

Depress

the

Power

switch

@

to

the

“ON”

position,

and

the

Function

selector

to

the

“PHONO”

or

“CD”

position.

2.

For

operation

of

the

turntable

or

CD

player

refer

to

their

operating

instructions.

CASSETTE

TAPE

DECK

OPERATION

Only

TAPE-2

record,

it

is

impossible

to

record

with

TAPE-1.

INSERTION

OF

CASSETTE

Press

the

Stop/Eject

button

(O4)

@

firmly

to

open

the

Cassette

holder

@.

Then,

insert

the

cassette

with

the

opening

face-down.

PLAYBACK

1.

Press

the

Power

switch

@

to

the

“ON”

position,

and

the

Function

selector

to

the

“TAPE”

posi-

tion.

.

Insert

the

cassette

tape.

Set

the

Tape

selector

switches

@,

matching

it

to

the

tape

to

be

played

back.

.

Set

the

Dolby

NR

switch

@

according

to

the

tape.

.

Press

the

Playback

button

(>)

@

to

start

playback.

Adjust

the

Volume

control

©,

Graphic

equalizer

contro!

®

and

Balance

control

©.

.

When

a

temporary

halt

is

desired

during

playback,

press

the

Pause

button

(Hf)

@.

Press

the

Pause

button

(#8)

©

again

to

resume

playback.

;

Ms

stop

playback,

press

the

Stop/Eject

button

(O

4)

on

fw

NO

Oo

NOTE:

When

operates

during

play

TAPE-1,

the

playback

sound

of

TAPE-1

cut

off.

CONTINUOUS

PLAYBACK

(TAPE-2

>

TAPE-1)

1.

Press

the

Power

switch

@

to

the

“ON”

position,

and

the

Function

selector

to

the

“TAPE”

posi-

tion.

2.

Insert

the

cassette

tape

both

TAPE-1

and

TAPE-2.

Set

the

Tape

selector

®

matching

it

to

the

tape.

.

Press

the

playback

button

(>)

@

of

TAPE-2

to

start.

.

Press

the

Pause

button

(Bf)

and

Playback

button

(>)

@

of

TAPE-1.

When

TAPE-2

comes

to

end,

TAPE-1

starts

playback.

fw

FAST

FORWARD

AND

REWIND

Press

the

appropriate

button

(>P)

or

(<4)

until

it

locks;

to

release

the

button,

press

the

Stop/Eject

button

(O&)

©.

RECORDING

(TAPE-2

only)

From

radio

program

1.

Operates

1

—

4

in

the

description

of

tuner

opera-

tion.

Insert

a

cassette

tape.

Set

the

Tape

selector

®

matching

it

to

the

tape

to

be

recorded.

By

your

wish

set

the

Dolby

NR

swtich

@.

Press

the

Pause

button

(8)

©.

Press

the

Recording

button

(0)

@)

and

Playback

button

(>)

@

simultaneously.

Adjust

the

Record

level

controls

®

so

that

the

Le-

vel

indicator

@

become

near

by

“O

dB”.

Release

the

Pause

button

(§)

©

Recording

starts.

Press

the

Pause

button

(98)

©

for

temporary

stops

during

recording.

Press

the

Pause

button

(If)

©

again

to

resume

re-

cording.

10.

To

stop

recording,

press

the

Stop/Eject

button

(0

A)

©.

NOTE:

Recording

will

not

be

made

if

TAPE-1

is

operated

(played

back,

fast-forwarded

or

rewind)

while

re-

cording

from

radio

program,

turntable,

or

CD.

09

N

OR

WN

From

turntable

At

using

HT-MD

10,

connect

to

PHONO

terminal

@.

1.

Press

the

Power

switch

@

to

“ON”

and

the

Func-

tion

selector

@

to

the

“PHONO”

position.

2.

Play

the

desired

disc.

3.

Proceed

with

steps

2

to

10

in

“RECORDING

from

ra-

dio

program”.

From

microphone

1.

Press

the

Power

switch

@

to

“ON”,

and

the

Func-

tion

selector

@

to

the

“TAPE”

position.

2.

Connect

a

microphone

plug

into

the

Microphone

jack

©.

NOTES:

@

The

sound

from

the

microphone

can

be

record-

ed.

However,

the

sound

cannot

be

heard

from

the

speakers

or

headphones.

@

Suitable

impedance

for

this

jack

is

1

kohms

or

less.

3.

Proceed

with

steps

2

to

10

in

“RECORDING

from

ra-

dio

program”.

From

CD

player

Connect

the

CD

player

to

CD

input

jacks

@.

1.

Press

the

Power

switch

@

to

“ON”

and

the

Func-

tion

selector

@

to

the

“CD”

position.

2.

Play

the

desired

disc.

3.

Proceed

with

steps

2

to10

in

“RECORDING

from

ra-

dio

program”.

DUBBING(Tape

copy)

The

dubbing

is

possible

from

TAPE-1

to

TAPE-2

only.

1.

Press

the

Power

switch

@

to

“ON”

and

set

the

Function

selector

@

to

the

“TAPE”

position.

2.

Set

the

Tape

selector

®

matching

it

to

the

tape

to

be

recorded.

3.

Press

the

Pause

button

(88)

©

and

Playback

button

(>)

@

of

TAPE-1.

4.

Press

the

Recording

button

(0)

@

and

Playback

button

(>)

@

of

TAPE-2

simultaneously,

and

TAPE-

1

starts

playback

automaticaly,

Tape

dubbing

starts.

NOTES:

@

Follow

the

above

procedure

for

tape

dubbing.

@

It

is

possible

to

monitor

sounds

on

other

program

sources

while

dubbing

a

tape

program

from

TAPE-1

to

TAPE-2.

This

equipment

should

not

be

used

for

taking

co-

pies

of

tapes

in

breach

of

copyright.

Copyright

subsists

in

most

pre-recorded

tapes.

MIXING

RECORDING

Recordings

from

the

turntable,

CD

player

or

tuner,

and

from

the

microphone

can

be

performed

at

the

same

time.

1.

Set

the

Function

selector

to

the

desired

posi-

tion.

2.

Play

the

desired

disc

or

receive

the

broadcast.

3.

Insert

the

microphone

plug

into

the

Microphone

jack

©.

4.

Proceed

with

Steps

2

to10

in

“RECORDING

from

radio

program”.

NOTES:

@

The

mixing

level

between

the

microphone

and

sound

is

fixed.

@

The

sound

from

the

microphone

cannot

be

heard

from

the

speakers

or

headphones.

AUTO

STOP

If

the

tape

is

fully

wound

during

recording

or

play-

back,.it

stops

automatically

at

the

tape

end.

To

stop

the

tape

at

any

other

position,

press

the

Stop/Eject

button

(O

4)

@.

ERASING

When

a

recording

has

being

made,

any

sound

al-

ready

recorded

on the

tape

is

automatically

erased

before

a

new

recording

is

made.

Erasure

is

accom-

plished

only

when

this

unit

is

in

the

recording

mode.

To

erase

a

tape

without

making

a

new

recording,

set

the

Functioneselector

©

to

the

“TAPE”

position

and

Record

level-control

©

to

the

“O”

position

and

press

the

Recording

button

(0)

@

and

Playback

button

(>)

@

simultaneously

after

removing

the

microphone

plug.

AMPLIFIER

OPERATION

LISTENING

THROUGH

HEADPHONES

GRAPHIC

EQUALIZER

CONTROLS

Plug

the

headphones

into

the

headphones

jack

@

for

The

audio

spectrum

is

divided

into

2

bands.

When

private

listening.

This

automatically

disconnects

the

each knob

is

right,

the

sound

is

emphasized,

and

loudspeakers.

.

when

each knob

is

left,

the

sound

is

attenuated.

Ad-

just

them

to

obtain

your

favorite

tone.

The

character-

istics

become

flat

with

the

2

knobs

set

to

the

center

(“0”)

positions.

CASSETTE

MAINTENANCE

HEAD

CLEANING

Clean

the

heads,

capstan

and

pressure

roller

periodi-

cally

with

a

head

cleaning

stick

moistened

with

alco-

hol,

or

methylated

spirit.

Never

use

a

sharp

or

metallic

instrument

or

tool

for

cleaning

these

parts.

Cleaning

stick

Erase

head

Capstan

DEMAGNETIZATION

The

head

inevitably

becomes

magnetized

slightly

after

long

use.

As

a

result,

high-frequency

sound

may

be

lacking

or

noise

is

generated.

Perform

head

de-

magnetization

occasionally

with

a

head

eraser.

RECORDING

PROTECTION

If

the

plastic

tabs

on

the

side

of

the

cassette

are

re-

moved,

recordings

can

be

protected

against

acciden-

tal

erasure.

If

recording

is

to

be

remade,

cover

hole

of

removed

tab

with

adhesive

plastic

tape.

Pressure

roller

Record/playback

head

Side

“B”

Tab

“A”

DOLBY

NR

(Noise

Reduction)

SYSTEM

With

the

Dolby

NR

system,

during

recording,

the

level

@

Cassettes

recorded

through

the

Dobly

NR

circuit

of

the

low

passages

is

increased

considerably;

during

must

be

played

back

in

the

Dolby

NR

mode

(if

playback

these

passages

are

reducédsto.

their

original

played

back

with

normal

playback

equalization,

the

level.

Therefore,

the

tape

hiss

is

alg6,redticed

by

the

sound

seems

too

sharp).

same

amount

and

is

not

audible

during

playback.

@

Normal

recordings

should

not

be

played

back

Before

playback

of

a

cassette, it:should

be

ascer-

through

the

Dolby

NR

system

(if

played

back

with

tained

if

the

Dobly

NR

switch

@

is.set:to

the

proper

Dolby

NR

equalization,

the

sound

will

seem

“mud-

position.

dy’).

CONNECTIONS

TURNTABLE

(HT-MD10)

@

This

unit

is

provided

with

terminals

for

loudspeakers.

When

|

@

The

speaker

impedance

suitable

for

the

HRD-MD

10

connecting

the

speaker

cords,

push

the

red

and

black

buttons

is

8

to

16

ohms

and

speakers

with

a

suitable

max.

on

the

speaker

terminals

and

connect

them

without

confusing

permissible

input

should

be

used.

(+),

(-)

and

L,

R.

SPECIFICATIONS

as

GENERAL

SPECIFICATIONS

Power

Supply:

Power

Consumption:

Dimensions:

Weight:

AMPLIFIER

SECTION

Audio

Output

Music

Power

Output:

Tone

Control:

Input

Sensitivity

and

Impedence:

Output

Impedance:

TUNER

SECTION

Circuit

System:

Tuning

Range:

IHF

Sensitivity:

FM

Stereo

separation:

FM

S/N

(Signal

to

noise

Ratio):

Aritannas:

~

240V,

50

Hz

75W

370

(W)

x

246

(H)

x

264

(D)

mm

[14-9/16"

(W)

x

9-1

1/16"

(H)

x

10-3/8"

(D)]

6.4

kg

(15

Ibs.

6

oz)

10W

x

2

(8

ohms,

1

kHz)

20W

x

2

(8

ohms,

1

kHz)

100

Hz

+

8dB

10

kHz

+

8

dB

CD

150mV/50

kohms

MIC

2mV/3

kohms

Speaker:

8

to

16

ohms

Headphones:

8

ohms

FM/MW/LW

3-band

superheterodyne

FM:

87.5

to

108

MHz

AM

(MW):

530

to

1605

kHz

LW:

150

to

285

kHz

FM:

5

pV

(S/N

26

dB)

AM

(MW):

600

nV/m

(S/N

20

dB)

LW:

2,500

pV/m

(S/N

20

dB)

35 dB

60

dB

FM:

External

antenna

(aerial)

AM

(MW/LW):

Loop

antenna

Out

door

antenna

TAPE

DECK

SECTION

Cassette

tape

deck

Tape:

Tape

Speed:

Recording

System

and

Bias

Frequency:

Track

System:

Erasing

System:

Frequency

Response:

Cassette

tape

4.75

cm/s

(1-7/8")

AC

bias,

85

kHz

4

track

2

channel

AC

erase

Normal:

70

Hz

to

14

kHz

CrO2z:

7OHzto

14

kHz

Signal-to-Noise

Ratio:

Dolby

ON:

58

dB

OFF:

50

dB

Crosstalk:

60

dB

Erase

Ratio:

65

dB

Motor:

DC

Motor

Specifications

and

design

may

be

changed

without

notice

for

improvement.

This

appliance

comforms

to

the

requirements

of

B.S.

800,

1983.

Hitachi

Sales

(U.K.).Ltd.

Hitachi

House,

station

Road,

Hayes,

Middlesex

UB3

4DR,

ENGLAND

Tel:

01-848-8787

(Service

Centre:

01-848-3551)

Printed

in

Taiwan

(H,

FL)

4959339