Pioneer SX-828 Owners manual

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FEATURES

FET-EOUIPPED

The MOS

in excellent

a remarkable f

spu rious

type

sensitivity,

noise.

ADVANCED FM

RATION

The

circuits)
for

stable operation

decoder

switching

cuit. The

pressed

CIRCUITS

FM

lF

and an equal

operates

principle

38kHz

by an effective LC/RC

EFFECTIVE

Unwanted, irritating inter-station noise on FM

by the FM

FET,

leaving only strong

also

MUTING

cuts

AM TUNER

FM

FRONT END

FETs

reedom f rom

stage is equipped

FM

out

WITH

the

in

2-stage

selectivity, signal'to-noise ratio and

cross'modulation distortion and

TUNER AND

number

and maximum selectivity. The

according to the highly accurate time

provided

is

and

switching

MPX

MUTING

switch. This circuit, equipped

useless, too-weak

stations in

SENSITIVE

FlVl

RF

STEREO SEPA-

with

three lCs

of solid state

with

an integrated cir-

frequency is sharply

complex

SWITCH

high-quality

filter

FM

reception.

FERRITE

TENNA

provide

To

loopstick

v ided.

high reception

antenna and a tuned RF

sensitivity on

AM. too, a

amplifier circuit are

amplifier

(integrated

ceramic

FM MPX

circuit.

is eliminated

station

result

filters

sup-

with

signals,

AN-

ferrite

pro-

tive type. Loudspeakers and output transistors

against shortcircuits by a
relay.

FULL CHOICE OF

standard

All

turntables,

two

source

phono

Pioneer

TAPE-TO-TAPE

the help of two

With

copies

TO THREE

UP

For

easy

an

speaker

connected

program

two

as well as two microphones. Low-output

cartridges can

step-up transformer

of tapes

can

comparison of

installations, up to three

and operated individually or A+8, A+C.

fully

electronic sensing circuit with

PROGRAM

sources can be corinected, including

tape decks, and an auxiliary sound

be

with the help of an optional

used

which

DUPLICATING

(open

reel or cassette)

be made easily.

PAIRS

OF

speaker systems,

SOURCES

be

can

POSSIBLE

LOUDSPEAKERS

or

pairs

of

protected

are

MC-type

plugged

for

speakers can

in.

tape decks,

main/remote

be

VERSATILE AUXILIARY CI RCUITS

These

include

click-stop

tone

controls,

low

and

high f ilters

for reducing noise, a loudness switch for more natural

frequency
switch,

nation,

response

dimmer switch controlling

a

and signal strength and

at low volume levels, a 5-position mode

tuning meters

the

front

for easy

panel

illumi-

tuning.

PRECISION-ENGINEERED

The audio

frequency

tortion figures and

sively equipped

amplification
is OCL

LINE

The SX-828 is

operates

of the five

and 240Y.If

the unit

procedure

CHANGING

FUSE

To remove
the line voltage

arrow.

Then remove

fuse

ing

plug.

amplifier

response,

with low-noise silicon transistors.

stages

and the

power

VOLTAGE

available

only on

line voltages,

your

to the

described

LINE VOLTAGE

the fuse,

the fuse

plug

back so that

can be

seen through the cut in

Whenever

is characterized by its extremely wide

great

its

superb

are

power

signal-to-noise ratio. lt is exclu-

directly
supply is a balanced

in

720V, and the

110V,

SX-828 is

proper

line voltage

below.

turn the fuse

seiector

plug

proper

the

position

the

OCL AMPLI FIER

bandwidth, its low dis-

All

coupled, the output stage

positive-nega-

AND FUSE

two

models: one model

other does on one

120V, 130V, 220V

the latter model,

by following the

SETTING AND

cap located on

the

in

direction of

from

the unit.

line voltage

of

Put

the edge of the

the selector is

power

set

the
the

mark-

PRACTICAL AND AT THE

GANT

With

easy

and center

dial

harmoniously matched metal

changed,

is to

and

If

DESIGN

an exceptionally long and

perfect

tuning.

reading.

Easy,

zero

meter.

Plus

the

check the

tuning with

Slightly

incomparable

rating

be used for either 22OY or 240V operation

a

fuse for 110V,

3A

rating of the fuse is

the

SAME

frequency dial

linear

signal strength

front

slanted

Pioneer

and natural wood.

black

,

or

fuse.

130V

of the

120V

correct, replace

FUSE REPLACEMENT

When
place

the fuse blows, remove

the fuse with

new one.

a

fuse

the

See

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"^"'""

"'J"'o

TIME ELE-

meter

panel

for

easier

elegance

A 1.5A

operation.

cap.

and

cap

Fig. 1.

socKEr

Fig.

for

of

fuse

re-

1

PIONEEfiI

ASSEMBLING

Model
AM/FM

in

combined

I or

By

500,

amplifiers,

built.

SX-828

one

unit.

2

tape

adding

SF-700,

See Fig.

is

stereo

tuner,

To obtain

with 2,

decks, etc.

an electronic

for

a 2-way

3.

a

Stereo Receiver,

4 or

example)

or

INSTALLATION

Do not

o
o

o

Prepare

weighty

A

install

In

direct

sunlight or near

In

damp, dusty

In

vibration-prone,

a

shelf

SX-828 to

WORD

the

SX-828 in the following

places

unstable

or

a stand

placed

be

ABOUT

A

STEREO

preamplifier

a

a complete

even

6 speakers,

Fig.

See

crossover

and 1 or

3-way

multi-amplifier

heating

or

where

places.

durable

upon.

ROOM

SYSTEM

i.e. it

power

and a

stereo

2.

system,

I

or 2

network (Pioneer

2 additional power

system

places:

units.

air circulation

enough for

the

ACOUSTICS

combines

amplifier

it

can

tumtables,

can

poor.

is

large-size,

an

be

SF-

be

FM ANTENNA

TURNTABLES

CARTRIDGE

PLAYER

TAPE

ffiffi

(A)

sx-828

(B)

SPEAKER SYSTEMS

AM ANTENNA

Fis.2

quality

The

and

shape

ing

and the

or

bright

ing

surfaces,

proved

(especially

wall

On the

"soak

up" the

ture

may

sound.

speaker
rected

the

distance

of reproduced

of the room,

amount

a sound

and/or

by having

that

other

hand,

sound,

be rearranged

In

any event,

systems

by

angling

between

and

usually

too low

an

ample

facing

too

resulting

placed

are

them

them.

sound

the materials

arrangement

results

a

carpeted

the speakers)

many

in

provide

to

the

true

stereo

too far

slightly

varies

of

or furniture.

from

too many

ceiling.

area or by

absorbing

a certain

irregular

effect is

apart. This

toward

each other

according

walls, floor

This condition

with a

surfaces will

"deadness.,,

to

and

Too

hard

covering

thick

reflection

lost

if

the

may

or reducing

the

size

ceil-

harsh

reflect-

is im-

the

curtain.

tend

to

Furni-

of

the

two

be cor-

TURNTABLE

OtO

@rr@@mO

oooooo

.

oooo

POWER

POWER

AMP

AMP

IE

O

TAPE DECK

....

.---

I

HIGH

MID

LOW

HIGH
MID

LOW

Fis.3

SPEAKER

o

As shown in Fig. 4,
system to

the correct

and

@

.

For

Connect

R,

o

For

speaker sockets. Connect
pair.

Q.

the

main

and the left

the second

CONNECTION AND INSTALLATION

the supplied

polarity

of

set

the right-channel

channel speaker

(third) pair

connect the lead wires

speaker

and

to cause no

speakers, use

plugs.

speaker

Be

short circuit

the A speaker

the

to

to the socket marked

of speakers, use

in the same way as for

of the

sure to

socket

the B

speaker
observe

between

sockets.

marked

L.

(C)

the first

LEFT
CHANNEL

SPEAKER

SYSTEM

ffi

NOTE:

ln order

SPEAKER

must

be at least BSl.

use

to

switch

INSTALLATION

Optimal

vertex of a regular

the

Wherever

if

deteriorates.

ANTENNA

stereo effect is obtained when

triangle whose

left

the difference

right

and

possible,

install

in height is too

AND

FM ANTENNA

FM

broadcast

buildings,

signals are obstructed

and other

nearby, a high-gain

antenna in

o

If

stations

with

terminals

accordance

the receiver

nearby,

are

the SX-828.

of

is to

the antenna to

Stretch out the antenna

or

a wall in

determined

Refer to FM

o

If

orientation of the

such a manner

by listening

RECEPTION on

background noise,
antenna

FM

terminals as shown in Fig.6.

antenna,

a combination FM/TV

pairs

two

set to A+B or

speakers

of

speakers slmultaneously

A+C), the impedance

base is the

(approx.

the speakers

great,

listener

the

line

Sft. to Sft.

at the same

the stereo

GROUND CONNECTIONS

somewhat by

obstacles. Therefore, even if

antenna may

with

be
use

As

shown in

following

the

located

the T-type

the

proper

that

to the station to

page

T-type

connect an FM

antenna does not

required.

be

rules:

in a wooden

antenna

Fig.

5, connect the

FM

antenna

and secure

pickup

9 .

outdoor antenna

it

is

Instead of

antenna may

(with

each

of

is

at the

connecting

apart).

height;

effect

mountains,

a station

Select

building

which

to the

comes

feeder

terminals.

ceiling

optimum,

be received.

eliminate

to

a special

be

used.

the

unit

the

and

the

4

Fig.

Fis.5

STATION

DIRECTION

is

as

OF

ANTENNA

AM

Fis.6

NOTES:

o

A varlety

r

ln ocations adjacent to heavily

near high
may not

your

antenna. When using
ceiver

FM

of

antennas are

power

vo tage

glve

the desired noise

dealer concering a coaxlal

as shown

in

transmission ines, use of

coaxial cab e, make connectlons

Fiq.

7.

available. Consult

traveled

streets, around factories

attenuatlon. ln such

cab e feeder

your

an FM

(75f,))

dealer.

cases,

for

to the

antenna

consult

the FM

(+)

or

re,

OUTER

SHI ELD

(BRAID}

COAXIAL CABLE

(75-ohm)

r

Strip

coaxial

r Loosen

in

B. lnsert

end of

r Tighten

the end

cable as

the

screws shown

the stripped

the

coaxial

the

screws.

of the

shown in

cable.

A.

Fig.7

AM ANTENNA

o

Refer

to AM RECEPTION on

tuned in,

See Fig. 8.

o

If

the ferrite

stretch out
connect
Keep

o

If the lead

an

AM outdoor

Special

may be

position

the AM lead

it to the AM lead

the other end of

antenna does not

construction is not required:

stretched between two masts

GROUNDING

o

ground

A

lead is not necessily

tiie viewpoint of

should

be used.

page

the ferrite

antenna does

antenna for optimum

not

antenna

(vinyl-insulated

antenna

the antenna lead

give

antenna and connect

for reception.

safety and

elimination

9. With an AM

station

pickup.

give

satisfying

results,

wire)

terminal. See Fig.5.

high

as

satisfactory results,

possible.

as

it as shown in Fig. 6.

vinyl-insulated

or other

Still, from

of

noise,

supports.

!.JIONEEFI

and

erect

wire

one

CONNECTION

Connect

your

o

With

leads

The
minal

.

With

leads

in

NOTES: o

o

With

AUX

NOTE: ln

as follows,

turntable;

a moving

of the

upper

for

the

moving

a

of

the turntable

the

same way

When

a separately

into

.

lf the

PHONO

a

ceramic

terminals.

this case,

play

i ng.

according

magnet

tumtable

terminal

right

channel.

coil

as for

using

a trrrntab e

available PHONO

rhe

socket

input

ar

of

the output

jack,

plugs

or crystal-type

set the

is for

(MC)

OF TURNTABLE

to

the

type of cartridge

(MM)

cartridge, connect the

to the PHONO

the

left

cartridge,

to the PHONO

the PHONO

with

an MC

the right

replace them with

SELECTOR

INpUT

panel

side

cord

of

the turntable

cartridge

switch to AUX

channel,

MAG

1

the lower

connect

2 terminals.

MAG

1

cartridqe,

transformer

of rhe

SX_B2g

pin plugs,

do not fit

separately available.

connect

,

to

be sure

{pioneer

used

output

terminals.

the

output

Connect

terminals.

to insert

pp-4}2)

(Fig.

9).

into the

to

enjoy

a

record

ter-

the

in

PHONO

TRANSFORMER
(MODEL

INPUT

PP.4O2I

Fis.9