Pioneer SX-990 Owners manual

INSTALLATION,

PERATION

ND

lncluding

TROUBLESHOOTING

SERVICE

PARTS

LIST,

AND

CtRCUtT

MANUAL

DtAGRAMS.

MOUNTING

TEMPLATE

PIONEEIiR"

FE

URES

HIGH-PERFORMANCE

(field-effect

FET

An

sensitivity

intermediate

and

frequency amplifier

transistor) is used

selectivity.

TUNER

FM

Further,

to eliminate

in the radio-frequency

four lCs

(integrated

interference

amplifir to attain a

circuits) are used

and noise.

high

for the

LINE

VO

GE

SELECTION

BUILT-IN

This wvitching

reproduction

LT-IN

BUI

EXCELLENT FM

circuit having excellent

of reality music.

HIGHLY-SENSITIVE

MPX CIRCUIT

separation and frequency

FERRITE ANTENNA

RADIO RECEPTION

ferrite antenna

The

SPECIAL

high output

The

phono

and

suitable

for

provides

CIRCUITRY

given

by strictly

terminals,
the

and the

professional

high-sensitivity

FOR

selected transistors,

provision

well a the

use a

reception of

VERSATILITY

for

using

family use.

A VARIETY OF ACCESSORIES

Accessories include the

tuning meters

the loudspeaker
sx-990.

vertically

selector

program

arranged for facilitating selection

switch, tape monitor switch,

ELEGANTLY DESIGNED FRONT PANEL

Newly

designed knobs are

AND

uniquely

FUSE

lamps

that indicate

arranged on the

AM

broadoast

two sets of

a microphone

program

the

of an

etc., all for

silver tone

panel.

response

is built in

FOR AM

programs.

loudspeaker terminals

Model

make

being

FM

broadcast

enjoyable use of

SX'990

played,

program,

Model

for

the

SWITCHING LINE

ln

order

on the

indicated by an arrow. Then remove

from

proper

cut in the

Whenever
changed,

is

to be used for

2-ampere fuse

operation. lf

the fuse in the

remove

to

line voltage

the

unit.

line

voltage marking can

edge of the

the set

check the rating of the fuse. A

the fuse, turn the fuse

Put

position

either

for any of

rating

the

fuse cap.

VOLTAGE

selector switch in

the fuse

plug.

plug

be seen through the

of the selector

220V

or 24OY

110V, 117V,

of the fuse

back so that the

FUSE REPLACEMENT

When

reolrce the fuse with a nerry

the

fuse

is blown, remove

the fuse cap and

one.

SETTING

cap

the direction

the fuse

switch

1-ampere

operation

or

proper,

is

Fis.

located

install

1

plug

fuse

and

130V

is

AND FUSE

Take

off the fuse cap by turning

etc. in the direction indicated by the arrow

it with a coin,

mark.

t

FM

AM

PROGRAM

lFill

lF6N6i'

l*_G.A

'MHz

I**t

'PKRS

1.

SPEAKERS

A

combination

loudspeaker

oerlR

-.1/,1

system

PHoNEs

---

tttr,

SWITCH

power

of the

selector

SPEAKERS

BASS

'rA.'

r lll'

'ltt

switch.

onloff

TREBLE

',4..

.lt(

. lll. Ir) Gl

switch

':;-::"

and the

Fis.

5

BALANG:E

:X'.

'lft

VoLUME

-iA,'o'o"'=fi'-"%Jftl€*"i9K'-

. lll.

.lal

POWER OFF:

A:

'...'."..'...'.........Sound

SPKR OFF:

B:'..........'...".......The

+

A

B:

.lll.

.....The

equipment

The

SWTTCHED

tinued

speaker

SPEAKER

and

32).

Loudspeakers

'......

position

This

stereo

loudspeaker

the

SPEAKER

(33

and

The loudspeaker

SPEAKER

nals are

TAPE .MoDE

power

simu ltaneously.

is

headphone.

34)

put

is deenergized.

supplied

AC

outtet

reproduced

system

OUTPUT

stop

is

selected

system

OUTPUT

put

is

in

systems

OUTPUT

in

operation.

connected

(36)

from

A

terminats

sounding.

when
connected

operation.

connectd

A

and B

Mrc

from

is discon_

the loud-

to

B

terminals

Fis.

using

termi_

4

the

the

(31

a

to

to

2. TUNING

When tuning

station, adjust

of the

rightward.

When tuning the
station,

METERS

the receiver to an AM broadcasting

the TUNING knob

lower one of the

adjust the

the lower meter

addition, the

center.

Tuning

to

FM STEREO

3.

lamp is lit

This

program.

4. TUNING

The knob

broadcasting
tuning while

5.

SELECTOR

The switch

...'.'......."..

AM:

FM

MONO:

FM AUTO:

PHONO 1............For

PHONO 2lMlC:

pointer

AM

Radio

Station

KNOB

for tuning

station. Adjust the knob for

observing

for

For reception

..,.. For reception

program.

...'..

For automatically

of

turntable connected

terminals

For
turntable connected
terminals
phone

the

phone
turntable

terminals cannot

meters

receiver

TUNING knob so the

deflects

to an

largely rightward and, in

of the

upper meter is

Tuning to

FM

INDICATOR

during reception of

the receiver to an

tuning meters

the

SWITCH

program

selecting

the

of an

of

stereo or

playing

playing

MIC

monaural

a disk

(17).

disk record by

a

(18)

or

inserting its cord

by

jack (16). (When

is connected

connected

be used.)

(4)

deflects

FM

pointer

the

so

largely

broadcasting

pointer

at the

Radio Station

deflecling

Pointer

righiward

largely

Fis. 6

FM

an

source,

program.

AM

FM monaural

an

selective

FM

record by using

to the

to the

for

using

to the

to the

stereo

AM or

the best

(2).

reception

Program.

PHONO

using the

PHONO 2

a

plug

the

jack,

PHONO

micro-

micro

of

FM

the

into

the

..'....'.......

K:

When

program

ed source lights.

PHONES JACK

6.

When

jack.

this

SX-990,

recommended.

When a longer cord

headset,

cord separately

When desiring

PIONEER's Model

use

available.

BASS

7.

When this knob is turned

when turned counterclockwise, decreased.

set to the center,

knob

flat. The center and outer

is

are friction-coupled

knob
tone of

simultaneously

knob

for

the

only one of

channel

hand.

For

using

the cartridge tape

reproducing the
operating other

the AUX terminals

to

the

SELECTOR

indicator lamp

using a stereo

For the

PIONEER's ModelSE-20, SE-30 or SE-50

headset,

headset

TV

audio

equipment

{20}.

switch

corresponding

is

insert

to be used

is required for the stereo

PIONEER's

use

avai lable.

to connect

CONTROL

both left and

by turning either

is for the left channel,

right channel.

the channels.

while holding the

Model JB-23 extension

two stereo

"Y"

JB-22

clockwise, bass

the frequency response

with each other, and

right

channels can

When adjusting the tone

turn the knob for that

other knob by the other

RTGHT

cord separately

knobs

knob.

and the outer

bUnruruel

(cH

1

2

player,

output, or

connected

operated,

to the

select-

plug

its

Model

with

headsets,

is increased;

With the

this double

of

be adjusted

The

center

knob is

.R)

the

into

is

curve

the

of

LEFT

CHANNEL

.L)

(cH

Fig.

7

8.

TREBLE

Use

of this knob

control knob

9. FILTER

LOW:

HIGH: A

These
once
when

10.

BALANCE

This

CONTROL

(7).

SWITCHES

switch

A

noise

or hum.

sruitch for suppressing high-frequency

notse.

switches

the

button is

pressed

once again.

CONTROL

knob

is used for

balance. When

loudspeaker

is smaller,

toward RIGHT;

counterclockwise

olume of

I

is

VOLUME CONTROL

11.

The

volume

clockwise.

increases

is

similar

f

suppressing

or

are of

the

pressed,

it turns

adjusting

the volume

turn

when left

toward LEFT.

BALANCE

LEFT

channel

FIIGHT

when

to

that

of the

low-frequency

pushbutton

the switch

type. When

turns on, and

off.

the stereophonic

of the

right

the knob

volume

When the volwre of

right channel

loudspeaker is
smaller

the knob

BASS

channel

clockwise

is smaller.

Fis.

turned

14. TAPE MONITOR

Turn

on

this

switch

only

the

signal reproduced

recorder).

remrder),

loudspeakers

MODE

15.

Functions

REV.......

When

keep

will

SWITCH

as follows:

Stereo,

input

other.

STEREO...

L'..'.......'...

R...'.".......

+

L

R

8

r---F

.NPUT

-i,Gnro

r-

l--

Normal

Monaural
channel

channel

Monaural play

channel

channel loudspeakers.

..'.....

Monaural play

channel

and

loudspeakers.

lst.-.n

| | ourdur

l

LEFro

RtcHTo

SWITCH

for listening

not

using

this

switch

not sound.

with left

signals

stereo

play

input

loudspeakers.

input signal

input

reproduced

sx,990

to or monitoring

by a

tape deck

the

tape

turned

off.

and

exchanged

with

signal

with

only

with

both

signals

mixed

from

I oRrGHrJ

deck

right

only

fed

fed

left

both

orerr

OUTPUI

ORlcHrJ

oLEFT

OUTPUT

oRTGHT--J

(or

tape

(or

tape

Otherwise,

channel

for

each

the left

to both

the right

to

both

and right

together

channel

--

___-l

12. LOUDNESS

With

this

switch turned

is low,

pensated
recommended

13. MUTING

Turning

insufficiencies

for. When

SWITCH

on this

tuning the receiver

eliminated. lf Model

field

strength is low,

since

switch

program

the

turned on.

SWITCH

the

to

keep this

switch, the

sound

on when

of bass

sound volume

switch

noise

to

SX-990

keep

an

this

is also

FM

is used

the sound volume

and

treble are com-

is high, it

turned

off.

generated

station

switch

suppresed

can be

where the FM

turned

with the

when

off

LEFT

O

f-

INPUT

[-

nrerro

LEFT

O

[-

INPUT

is

16. MIC

l-nrasro

(MICROPHONE)

When

a microphone

signal fed
PHONO

disconnected.

2

from

the

terminals

JACK

is

connected

turntable

(18)

on

oLEFT

----l

OUTPUT

onrexr-J

oLEFr ---.1

OUTPUT

oRtcBr-J

to

this

connected

the

rear

Fig.

jack,

to the

panel

9

the

is

TERMINALS AND CONNECTORS ON

I

THE REAR

NEL:

Fis.

10

The

upper

ones

of the terminals

28

and 29

lower

PHONO 1 TERMINALS

17.

MAG: ......... Connect

are for

the

ones, for the right

with a moving

CER:..........

NOTE:

Connect

a ceramic or crystal cartridge.

with
Two turntable cannot

to the

simu ltaneously.

18. PHONO 2 MAG

Connect

magnet

here a turntable

cartridge.

17,18,20,21

left channel

channel

here a
here a turntable

respectively; the

turntable

magent cartridge.

MAG and CER

TERMINALS

equipped

,22,

equipped

equipped

be connected

terminals

moving

with a

19.

GND

TERMINAL 1

(GROUND)

lf the turntable or other equipment

Model SX

connect the wire to this

20.

AUX.

Connect here the output of a

21. TAPE

BACI(

Connect the

deck

22.TAPE
ING

Connect the

recorder), Signal is always supplied

nals

990

(AUXILIARY)

MON

INPUTS)

(or

tape

REC TERMINALS

OUTPUTS)

SX 990

while

provided

is

TERMINALS

line

output or

recorder) to these

line input of a tape

is workinq;

with a

terminal.

INPUT TERMINALS

cartridge tape

monitor output of tape

used with

ground

player

(TAPE

terminals

(TAPE

PLAY-

RECORD.

(or

deck

to these

however, the signal

wire,

tape

termi-

cannot

BALANCE

on the

23.

TAPE

(DI

N

lf

the

Model

connector

recorder)

recording

connecting

When

(21l.

and(221

The

detail

Connectjon

24.

AM

Where

of

this

using

be

obtained,

Grounding".

25,

AM

Connect

termina
good

reception.

26.

GND

Connect

27.

FM

ANTENNA

Connect

NOTE:

28.

!RE-AMP

The

output

having

supplied

be

controlled

(10),

panel.

front

REC/PB

TYPE)

tape deck

SX-990

this

is

of

the DIN

can

be connected

playback

and

the DIN

cable

are unnecessary.

of

connection

of tape

FERRITE

the field

ferrite

an

antenna

external

see

strength

antenna.

page

ANTENNA

a lead

wire

I if

the ferrite

(GROUND)

ground

a

an FM

antenna

For

the

antenna

connection

OUTPUT

preamplif

of

passed

to these

the tone

terminals.

with

TREBLE

CONNECTOR

(or

tape

provided

recorder)

type,

to Model

(and

cable.

is

used,

connections

(or

deck

ANTENNA

is

high,

for

lf

9.,,Antenna

INPUT

or

outdoor

antenna

TERMINAL

wire

to

this

INPUT

to

these

details

grounding,

and

and

ier

stage,

control

the

or

VO

BASS

(8)

to

with

a record/playback

the

tape

deck

SX-ggO

monitor)

is

shown

tape

gmd

good

on

recorder),,;

adjust

reception,

reception

Connection

TERMINAL

AM

antenna

(24)

2

terminal.

TERMINALS

terminals.

of

AM

antenna,

see

grounding"

TERMTNALS

which

circuit

LUME

(7)

controt

be used

(or

for

by

simply

to

terminals

page

the

direction

without

cannot

to

cannot

FM

,,Antenna

page

on

is the

signal

is always

(

1 1),

with

tape

both

10.

and

this

get

9.

30. CENTER

NAL

The

signals

together

The

system

31. &

and

terminal

or

connecting

32.

SPEAKER

NALS

Model

SX-990

two

sets

of

stereo

33.

Connect

A)

(31)

&

the

to these

and

the left

34.

first

terminals;

SPEAKER

NALS

Connect

loudspeaker

the left

terminal(34).

For

OUTPUT

accessories

under

9, for

LINE

35.

FUSE

This
the line

holder.

For

dures,

TION

the right

system

channel

ornetion

A

ad

nrust

"Connection

the

oorect

VOLTAGE

HOLDER

selector

voltage

the selector

refer

to

AND FUSE".

36. SWITCHED

power

A

or

supply

turning-on

switch

other

(1)

of 23O

eqLipment

is

turned

and

on

the

CHANNEL

of left

supplied

may

be used

is

designed

loudspeaker

set

channel

and right

to this

a center-channel

of

loudspeaker

the

to

OUTPUT

channel

(system

loudspeaker

o

use

is used

the

for

setting

to be

supplied.

setting

article

(Pase

and fuse

"LINE

t)

AUXILIARY

VA

can

be supplied

from

on

and

off

off operations

panel.

front

OUTPUT

channels

terminal

for

composing

amplifier.

OUTPUT

permit

to

systems.

right

terminal

A

connection

system

channel

(32).

B

loudspeaker

B)

SELECTOR

lt

this

corresponding

of

to

terminal

of

this

SPEAKER

supplied

irstr:uctions

system,,

the

SX-990

also

serues

replacement proce.

VOLTAGE

AC

OUTLET

to a turntable

outlet.

of

The

the

SPEAKERS

TERMI.

are mixed

at

all

times.

a

TERMI.

(system

to

terminal

TERMI-

the second

(33)

and

system

as

p4e

on

AND

to

suit

as a fuse

SELEC-

power

to the

3_D

of

to

29.

MAIN-AMP

These

stage

The

PRE-AMP

INPUT

with

the

preamplif

the

Model

convenient

and

other

are input

of Model

(29)

terminals

jumper

SX-990

for

purposes.

INPUT

terminals

SX-990.

OUTPUT

are

plugs.

ier

and

can

be

composing

TERMINALS

of

the

(28)

and

connected

With

these

power

used

amplif

apart.

a multi-amplifier

power

MA|N-AMP

to

each

plugs

ier

This

amplifier

other

removed,

stage

system

system

of

37. UNSWITCHED

AUXILIARY

AC

OUT-

LET

power

The

total. The

regardless

(1).

AC POWER

38.

is

After

Model

power

outlet

of the

all

the

SX-990,

outlet

also

power

operation

CORD

external

connect

having

having

from

equipment

this cord

a

sufficient

a

this

of

the

capacity

outlet

of
is

SpEAKERS

is

connected

to a commercial

capacity.

230 VA

supplied

switch

to

CONNECTION

loudspeaker,

To

connector
nect

in

Be sure

When the

speakers,

loudspeaker

(31)

SPEAKER

a

When

connect

speakers

the

OUTPUT

channel
terminal

connect

it to the

Fig. 11.

and

right channel

a

plug

from

leads

to connect

plugs

connect

the SPEAKER

to

of the

that

OUTPUT

using an

the speaker

as described

B terminal

loudspeaker

(34).

them for

have been

the

additional

LOUDSPEAKER

OF

take out

the accessories

loudspeaker as

of the

the correct

connected

plug

of the

OUTPUT

left channel

A

terminal

loudspeaker

connector

and connect

above,

loudspeaker

(33)

and

SPEAKER

to the

speaker

a

and con-

bag,

illustrated

polarity.

loud-

to

right channel

A terminal

the

(See

to the

the

to

Fig.

system,

loud-

plug

2.1

loudspeaker

(32).

plugs

to the SPEAKER

that of

the left

OUTPUT

of

B

SYSTEM

LOUDSPEAKER

SPEAKER

TERMINALS

SPEAKER

PLUG

POSTTIVE

NEGATIVE

Fis.

11

(+)

H

ANTENNA

ANTENNA

FM

When using
strength
suitable

.

Use

Model SX-990

FM radio

vertical

terminals

Expand the

determine

actually

horizontal section

determined

see

o

When

the

FM

terminals

The

7 elements.

ing

or distant

FM

antenna

the accessory

station.

section

(27]'

its direction

receiving a

direction.

"Reception

using

station,

antenna,

(211

FM

antenna

Select

a nearby

CONNECTION

place

Model SX-990

f rom the station,

follows:

as

T-type

Connect

of the

a wooden

antenna to

section of

broadcast

within

as shown

horizontal

on a wall or other

For the operating

FM broadcasts"

of

Model

SX-990

within a building,

or

connect

and

Fig. 13.

as in

various in type, consisting

is

the optimum

radio, TV or

a

at

indoor antenna

the

Fig.12'

in

good

for

program.

long distance

at a

it to the

antenna by

hi-fi equipment sales

AND

low

of

the most

select

when using

building

free and

the

the antenna,

on

install an

near the

FM antenna

reception

Fix

place

procedure,

page

1 1.

outdoor

FM antenna

consult-

GROUNDING

field

of the

and

while

the

in the

from

of 3 to

store.

good

lf

AM

wire

radio

ferrite antenna

antenna.

AM antenna

lf

input

Fis. 13).

NOTE:

wallof

is still

instead

A standard

formed

electric

along a

outdoors

feet

horizontal length

feeder

antenna

precise,

by

height

antenna
good

reception

(24),

Connect

terminal

room.

the

not enough,

of using

by

appliance

(7.5

m) above

line 30

dimensions

and

place

the

of the

should

antenna

cannot be attained

use the accessory

one end of

(25),

(See

the

AM outdoor

purchasing PVC wire from

the antenna

and expand

Fig.

12.)

install

lead wire antenna.

antenna

and installing

store

the

50 feet

of

(10

feet

m)

need

large as allowable

may be

as

of installation.

horizontal

be too

not

effect.

with the
AM lead

to the

the wire

an AM antenna

can

it 25

ground for a

(15

m), with

These

long.

be so

not

However, the

section

low

of the

to attain

(See

be
an

a

a

AM ANTENNA

using

When

inside a

rear

or

AM antenna

of the

panel

listening

AM

of

station
an external
direction

the

actually

ception

Model

SX-990

wooden

AM ferrite

the best

for

to broadcasts,

broadcasts" on

the

near

building,

unnecessary.

is

antenna

(24)

radio reception

referring

page

1 1.

broadcasting

connection

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