Pioneer SA-9900 Manuale utente

INTEGRATED

STEREO

AMPLIFIER

SA-9900

OPERATING

INSTRUCTIONS

KCU

WARNING:

PREVENT

FIRE

SHOCK

HAZARD,

NOT

EXPOSE

THIS

APPLIANCE

RAIN

MQpIoNeeR

MOISTURE.

ate

HOH

CONT!

Stereo

System

Composition...

Connection

Diagram

Connections

Front

Panel

Facilities

......e;00see002

Before

Operation

ENTS

Employing

Tape

Deck

Effective

Operation

Employing

PRE

OUT

POWER

Jacks...

Specifications

Conditions

Frequently

Mistaken

for

Malfunction

FEATURES

Superior

Balanced

Circuitry

Differential

amplifier

circuits

are

employed

inthe

equalizer,

tone

control,

and

power

amplifier

sections.

Each

amplifier

section

supalied

balanced

power

supply

systom

that

assures

excellent

balance

and

stability,

while

nearly

climinating

switching

noise

daring

control

operation,

High

Power

Output

Low

Distortion

DDC

stability

enhanced

the

2-stage

dltferontial

ampli

fier

and

pure

complementary

OCL

citeuits

are

employed

for

direct

coupling

all

stages.

Constant

current

load

cir

‘cuits

are

used

locations

large

negative

Feedback

applied

due

the

high

gain

circuit

composition.

wick

band

high

power

output

can

obtained

with

broad

dynamic

range

and

low

distortion.

Precise

RIAA

Equalization

Utwraprecision

grade

metalized

film

resistors

(sputtering

procets)

and

styrene

capacitors

ate

combined

equalized

ements.

Deviation

from

the

RIAA

curve

has

been

reduced

bby

10.24

the

frequency

range

30H2~

L5kHz.

FET

employed

the

1st

stage

differential

amplifier

and

adopting

3stage

direct

coupled

SEPP

circuit,

input

impedance

variation

due

frequeney

minimized,

High

ability

attained

low

distortion,

addition

greatly

expanded

acceptable

input

lovel.

Distertionless

disc

repro-

duction

can

therefore

enjoyed,

even

with

high

output

cartridge

and

dynamic

music

source

containing

large

peak

inputs

Delicate

Tone

Adjustments

The

Pioneer

developed

win

tone

control

cireuit

applied

the

conventional

Biss

and

Treble

controls,

Super-low

and

super-high

bands

can

individually

adjusted

provide

delicate

compensation

for

such

factors

room

acoustics

and

speaker

and

cartridge

frequency

characteristics.

Tone

switch

also

provided

which

can

used

compare

the

effectiveness

the

fone

controls

Reliable

Electronic

Protection

Circuit

event

speaker

shorting

malfunction

which

applied

the

output,

speakers

and

transistors

are

reliably

guarded

electronic

protection

cireuit.

This

circult

also

vets

muting

circuit

when

the

power

switch

turned

and

off

Accurate

Volume

Control

Expands

Adjustment

Range

The

Volume

control

equipped

with

precision

attenu:

itor

the

type

employed

measuring

instruments

and

Dither

high

reliablicy

equipment,

Volume

adjustment

can

easly

performed

when

listening

low

volume

levels,

tem

porarily

reducing

the

volume,

employing

low

input

level

(high

sain)

power

amplifier,

The

volume

adjustment

range

can

also

expanded

employing

the

volume

control

and

attenuator

switch

combination.

Phono

Jacks

Provided

with

Impedance

Selector

Level

Contra

‘A

convenient

impedance

selector

switch

(35k,

SOKO,

7OKQ,

100k{1)

and

level

control

-12dB)

are

provided

for the

PHONO

jacks

for

matching

cartridge

ourput

characteristics,

comparison

listening,

etc

Switch

for

Easy

Tape

Duplication

connecting

tape

decks,

the

desired

program

only

from

previously

recorded

tape

can

ected

and

re-recorded,

The

Duplicate

switch

also

lets

open

reel

tape

duplicated

onto

cassette

tape,

Audiophile

Functions

Incorporated

PREJPOWER

AMP

selector

switch

plus

PRE

QUI

and

POWER

jacks

are

included.

external

power

amplifier

can

connected

the

PRE

OUT

jacks

allow

listening

Comparison

and

power

amplification,

This

feature

can

alo

employed

for

composing

multé-amplifier

channel

system,

single

SA-9900

can

thus

used

set

various

kinds

audio

sysiems,

PIONEER

STEREO

SYSTEM

COMPOSITION

‘*

nok

place

equipment

locations

that

arc

unlevel

subject

vibration,

Allow

for

good

rear

panel

ventilation

components;

avoid

humidity

and

dust.

Keep

equipment

away

from

radiators

other

heat

sources.

$A-9900

APPLICATION

EXAMPLE

CONNECTION

DIAGRAM

CONNECTIONS

SPEAKER.

SYSTEM

‘The

$A-9900

provided

with

sets

speaker

output

terminals,

and

Normally,

connect

pair

speaker

systems

the

terminals.

shown

Fig.

connect

the

right

channel

(as

viewed

from

the

front)

speaker

the

terminals,

and

the

left

channel

speaker

the

terminals.

Observe

plus

(+:

red)

and

minus

(-:

black}

polarities

the

output

terminals

and

those

the

speakers.

When

performing

connections,

use

care

connect

and

the

speakers

and

the

SA.9900

speaker

terminals,

172

specher

systems

are

slrataneoel

thad.

tre

gente

esters

ate

BO.

pedeves

Matioction

coh

crbd

ens

then

packer

ore

Enplved

Connecting

Lead

Wites

Speaker

Terminals

Strip

about

15mm

(1/2")

the

insulation

from

the

end

lead

wire.

2.1

the

conductor

siranded,

twist

the

strands

together

prevent

spreading

shown

Fig.

depress

the

terminal

button

and

insert

the

lead

wire

into

the

hole

Release

the

bution

and

confirm

that

the

lead

wite

secured

place.

TURNTABLE

Connect

tumtable

outputs

the

PHONO

jacks,

and

ground

wire

the

GND

terminal

NoTES

moving

magnet

(MM

type

cortidge

cen

dwecty

com

heed

however

Toxe

outer

moving

toll

(HC)

corte

equves

ecesiory

matching

transformer

head

empitr,

Avtecend

turgible

can

connected

the

PHONO?

ack

BHF

the

turntables

equipped

wih

toneums,

connect

one

camaarn

tothe

PHOND

feck

ond

the

other

the

PHOND

leche

The

PHONO

jacks

are

provided

with

LEVEL

control

for

adjustment

the

input

level

and

IMPEDANCE

selector

switch

for

switching

the

input

impedance

(35,

50,

70,

100

k&),

Operation

these

Features

described

p.13.

Late

(Ld

channel

sposker

Fight

(8)

chan

epeakor

SPEAKER

SYSTEM

CONNECTION

Fig.

“wit

trond

ogthor

Speaker

teed

wires

apr

iy:

See

SPEAKER

LEAD

WIRE

CONNECTION

ree

TunwranLe

sA-9800

TURNTABLE

CONNECTION

Fig

TUNER

Connect

AM/FM

stereo

tuner

the

‘TUNER

Jncks.

AUX

TERMINALS

Those

jacks

are

for

auxiliary

inputs.

‘They

can

used

connect

cartridge

tape

player

deck,

second

tuner,

other

source.

TAPE

DECK

(OPEN

REEL

CASSETTE)

‘The

SA.9900

provided

with

sets

recording

(TAPE

REC)

and

playback

(TAPE

PB)

jacks.

Connect

follows:

Recording

Connections

Connect

the

tape

deck

playback

terminals

(LINE,

OUTPUT)

with

the

TAPE

jacks.

Playback

Connections

Connect

the

tape

deck

playback

terminals

(LINE

OUTPUT)

with

TAPE

jacks,

Nore

Cormeera

second

tape

deck

she

TAPE

(REC

PB)

jac.

Wimpy

comnceling

cords

nappied

with

tae

deck

Using

Outlets

These

can

used

supply

power

other

components,

such

tuner,

tumtable,

tape

deck,

te.

SWITCHED:

power

component

plugged

into

this

outlet

coupled

with

the

SA-9900

POWER.

switch

setting,

Maximum

100W

total,

UNSWITCHED:

power

always

present

this

outlet,

regardless

POWER.

switch

setting.

Maxi

mum

100W.

PIONEER

eee

‘Gonnecung

ora

TuneR

connection

Fig.

‘TAPE

DECK

CONNECTION

Fig.

FRONT PANEL

FACILITIES

SPEAKERS

SWITCH

OFF:

Cuts

off

speaker

sound

(when

using

head

phones

only),

‘Sound

obtained

from

speakers

connected

Speaker

terminals,

Sound

obtained

from

speakers

connected

speaker

tetrminas

Sound

obtained

from

speakers

connected

both

and

speaker

terminals

[BASS

TWIN

CONTROL

Adiusts

low

frequency

one,

100H2:

Adjusts

frequence

band

below

4008,

Control

effectiveness

1ODH:

47,5dB,

50Hz:

Provides

additional

control

the

100Hz

knob

for

the

Frequency

band

below

20012.

Control

effectiveness

SOME

4.5,

POWER

SWITCH.

Depress

turn

power

Alter

the

POWER

switch

set

toON,a

few

seconds

will

lapse

before

sound

obtained.

This

due

the

built

muting

circuit

and

does

not

signity

difficulty

PHONES

JACK

‘Ourput

jack

for

stereo

headphenes,

TONE

SWITCH

When

set

OFF,

the

TONE

control

circuit

disengaged

and

frequency

response

becomes

‘flat.

The

BASS

and

TREBLE

twin

controle

not

function

this

time,

Conveniont

for

checking

phono

cartridge

and

speaker

tone,

tone

control

effectiveness,

and

listening

room

acoustis,

LOW

FILTER

SWITCH

Astenuates

low

frequency

15Hz:

Provides

12UBjociave

attenuation

for fre

quencies

below

15H2,

OFF:

Set

this

position

when

not

employing

filter

30H2:

Provides

12dB/octave

attonuation

for fre

‘quencies

below

30}

HIGH

FILTER

SWITCH

Aitenuates

high

frequency

noise,

such

seratches

and

tape

hiss

I2kHz:

Provides

12dBloctave

atteruation

for

tre

quencies

above

12hHz

OFF:

Set

this

position

when

not

employing

filter.

SkHzz

Provides

12dBJoctave

attenuation

lor

fre

‘quencies

above

8kH.

TREBLE

TWIN

CONTROL

‘Adjusts

high

frequency

tone.

VOkH2:

Adjusts

frequency

band

abowe

2.5kHz.

Cons

trol

effectiveness

10kHz

#7.5d3.

20kHz:

Provides

additional

control

the

10kHZ

knob,

for

the

frequency

band

above

SkHe

Control

effectiveness

20kHz

4.50B,

PIIECIS

—VOLUME

CONTROL

‘Adjusts

output

level

speakers

and

headphones.

Scale

graduated

éB

with

DdB

maximum

level

When

employed

combination

with

the

ATTENUATOR

switch,

finer

and

wider

range

attenuation

can

pecform:

ed,

See

additional

description

9.13,

PILOT

LAMP

Lights.

when

power

turned

on.

FUNCTION

SWITCH

PHONO

1 For

playing

records

turntable

con

nected

the

PHONO

jacks.

Same

above,

for

PHONO

jacks,

for

reproduction

through

mieraphane

con:

nected

the

MIC

jack

the

front

panel.

Note,

when

the

microphone

connected

the

jack,

the

turntable

connected

the

PHONO

jacks

cannot

used.

MIC|PHONO

TUNER:

For

listening

roads

UMough

the

aux

For

playing

sgnals

fed

tthe

AUX

Aux2%

Same

astbov,

for

AUK

aks

MIC

JACK

‘Accepts

the

plug

the

microphone.

ATTENUATOR

SWITCH

Attenuates

the

output

level

follows:

048:

atteruntion

“15d8:

Attenuates

15dB.

3048)

Attenuates

3048

MODE

SWITCH

REV:

Reversesteft

and

right

channel

stereo

signals.

STEREO:

Normal

stereo

reproduction.

LiF:

Mises

loft

and

right

channal

signals

for

mono

reproduction.

Mono

reproduction

left

channel

signal

through

both

speakers,

Mono

reproduction

right

channel

signal

throuigh

both

speakers,

MONITOR

SWITCH

Playback

monitoring

tape

deck

connect

the

TAPE

(REC

PB)

jacks,

SOURCE:

Set

this

position

times other

than

tape

playoack,

Playback

monitoring

tape

deck

connect:

fed

the

TAPE

(REC

PB)

jacks

(TAPE

DUPLICATE

SWITCH

Set

when

employing

tape

decks

duplicate

edit

tapes.

sure

sei

OFF

(upper

position)

other

times,

'—BALANCE

CONTROL

‘Adjusts

left

and

right

volume

balance

speakers

and

headphones,

Turn

clockwise

from

center

increase

right

channel

(R)

volume,

ard

counterclockwise

from

center

increase

left

channel

(L|

volume

BEFORE

OPERATION

Before

setting

the

POWER

switch

ON,

set

the

‘other

controls

andl

switches

follows:

VOLUME

control

(minimum)

ATTENUATOR

switch

04B

TAPE

MONITOR

switch

SOURCE

TAPE

DUPLICATE

switch

upper

position

(OFF)

MODE

switch

STEREO

TONE

switch

OFF

LOW

HIGH

FILTER

switches

OFF

BASS

TREBLE

controls

(center

position)

SPEAKERS

switch

according

em:

ployed

speaker

terminals

B).

Now

you

ean

switch

your

POWER

awitch

ON.

OPERATION

PLAYING

RECORDS

Set

the

FLINCTION

switch

PHONO

the

turntable

connected

the

PHONO

jacks,

and

MIC/PHONO

connected

the

PHONO

jacks.

Note,

however,

that

the

turntable

connected

the

PHONO

jacks

cannot

used

the

microphone

plugged

into

the

MIC

jack.

Play

record

tumtable,

Adjust

the

VOLUME,

BASS

and

TREBLE

controls

for

desired

volume

and

tone,

Notes

Lower

the

tonearm

gently

onto

the

record.

‘Temporarily

setting

the

ATTENUATOR

switch

-80dB

will

reduce

noise

incurred

this

time

not

tum

off

the

power

while

the

stylu

contact

with

the

record.

‘*

Avoid

imparting

vibration

the

tumtable

while

record

being

played.

This

may

cause

the

stylus

jump

and

possibly

damage

the

record.

Howling

may

caused

the

tumtable

too

the

speaker

systems.

Allow

for

ade-

quate

spacing

when

installing.

wore

‘The

PHONO

jacs

ore

provided

with

input

PHONO

(MIC

LEVEL

conrol

and

IMPEDANCE

euiten.

Their

operation

i»

deserved

p3,

EMPLOYING

TUNER

(AM

Reception)

Set

the

FUNCTION

switch

TUNER.

Tune

desired

station

tuner.

Adjust.

VOLUME,

BASS

TREBLE

controls

for

desired

volume

and

tone.

USING

THE

MICROPHONE

Connect

the

microphone

the

MIC

jack.

Set the

PUNCTION

switch

MIC/PHONO

Adjust

the

sound

level

turning

the

VOLUME

control

the

right

little

little.

vores,

Von

should

high

impedance

ehowe

2042)

Asami

Iniorephone

wit

standard

ommm

dumcter

phot

plaw

Poneer

putt

the

market

wide

srlty

hgh

performance

micro

Phone

you

section

Cinder

certam

conditions

se,

microphone

gives

rise

how

ing

foedback

mine,

Toke

are

not

rise

volume

High

tien

the

mcmphane

cbse

the

sper

stereo

ram

woth

great

dev!

resonance

Microphone

wil

perform

enast

effectively

with

TREBLE

ant

BASS

controls

their

métwey

positions

Whale

axing

the

microphone,

only

microphone

sound

will

‘hazd

fivoush

the

let

rah

speakers

EMPLOYING

AUX

COMPONENTS

Auxiliary

components,

such

acartridge

tape

play-

fer

deck,

ean

connected

the

AUX

jacks,

Set

the

FUNCTION

switch

AUX

play

component

connected

the

AUX

jarks,

and

AUX

play

component

connected

the

AUX

jacks,

Operate

component.

Adjust

VOLUME,

BASS

TREBLE

controls

for

desired

volume

and

tone.

Protection

Circuit,

After

turing

the

power

the

Sa-9900,

seconds

will

elapse

before

sound

obtained

from

the

speakers.

This

due

the

operation

the

built-in

protection

and

muting

circuit.

serves

both

prevent

switching

noise

when

the

power

tumed

and

off,

and

protect

the

speakers

event

oceurs

the

output,

Operation

the

internal

relay

during

playing

will

cause

continuous

clicking

neise.

‘This

would

most

likely

caused

speaker

terminal

shorting

overload

(used

speaker

impedance

less

than

}.'The

protection

cixcuit

fanctions

automatically

this

type

case

disconnect

the

speaker

terminals

and

safeguard

the transistors

and

speakers.

The

circuit

self

rosetiing

and

after

the

cause

trouble

hes

been

corrected,

will

return

normal

condition.

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