PIONEER SX 5 ARP Service Manual

()rrloruEEn"

COMPUTER CONTROLLED STEREO RECEIVER

six-5

MODEL SX6 COMES IN FIVE

Typo VoltagE

KU 120V

KC 120V

s/G 1 1OV. 1 2OV,

YP

o

This

service

o

For the

r

Ce manuel

o

Este

circuit

manual de

only

'l1OV,

12OV,220V

22OV and 240V

24OV only

manual is

applicable to the KU type.

description,

d'instruction

servicio trata

VERSIONS

and 240V

please

se refdre

del m6todo

lswitchable) (Switchable)

refer to

mode

au

DISTINGUISHED

U.S.A. model

Canada model

General export model U.S. Military

Australia model

model

the

de r6glage,

SX-7 service manual

en frangais.

de aluste escrito en

AS FOLLOWS:

model

espaiol.

Rem.lks

(ARP-047).

ORDER

NO.

ARP-OO9-O

CONTENTS

SPECIFICATIONS

F

2.

RONT PANEL FACILITIES. PARTS PACKING

4.

BLOCK DIAGRAM

o.

P.C.

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LOCATION.

BOARDS

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CONNECTION DIAGRAM .

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SCHEMATIC ELECTRICAL

8. EXPLODED

9.

10. ADJUSTME

Ec

n

uce.

AJUSTE

Bergtr)m

70-24

tde'6 3195

DIAGRAM

PARTS

VIEW

NTS.

A

U S

Aust.ar6

LIST

FHO

IULY

l98l

Printed

in

13

21 23 25 27

lapan

1.

SPECIFICATIONS

Amplifier

Continuous watts*

20 Hertz

than

Total Harmonic

ohms, from

8

continuous rated

15

ntermodulation

f

8 ohms,

continuous rated

Damping

put

I n

PHONO TUNER, AUX/VIDEO,

Phono

PHONO

Output ( Level/l mpedance)

TAPE REC

Frequency

PHONO

TUNER,

Tone Control

BASS.

TREBLE

Loudness Contour

Hum and

PHONO

AUX/VIDEO,TAPEPLAY.

Section

Average Power

per

channel, min.,

20,000

to

0.02

watts

from

(Sensitivity/l

Overload Level

total

%

Distortion

AUX/VIDEO)

per

channel

Distortion

AUX/VIDEO)

(20

Factor

mpedance)

Response

(RIAA

Equalization)

AUX/VIDEO, TAPE

(Volume

(lHF,

Noise

harmonic

(2O

power

output

power

output .

Hertz

to 20,000

TAPE

(T.H.D.

short circuited A

0utput is

at 8 ohms from

Hertz with no

distortion.

Hertz to

output

(50

Hertz; 7,000 Hertz = 4 :

O.1%, 1,000H2)

. . . .

control set at

20,000

No

. .

No

No more

.

Hertz,

..2.5mV/50kilohms

PLAY

.15OmYl22

30Hz to 15,000H210.3d8

PLAY

1OHzto 50,000H21!'uoe

network)

Hertz,

more than

more than 0.027o

than 0.02%

8 ohms)

150mV/50 kilohms

..18d8(100H2) .

.18d8

-4OdB . .

position)

+6dB

. . .76d8

....96d8

30

more

0.02%

1,

50

130mV

kilohms

(10kHz)

(100H2)

StereoSeparation.

Frequency SpuriousResponseRatio.

lmage lF

Response AM SubcarrierProductRatio. SCA Muting Antenna

AM

Sensitivity

lHF, ferrite

lHF,

Selectivity Signal-to-NoiseRatio

lmage Response lFResponseRatio.

Antenna

Flesponse

Response Ratio

Ratio

.

Suppression Ratio

Rejection

Threshold

Input

ratio

. . 300

Tuner Section

antenna

external

antenna

Ratio

2OHz

ohms

balanced, 75

Built-in ferrite loopstick

Miscellaneous

Power

Requirements PowerConsumption Dimensions

Weight

(without

Furnished

FM

T-type

DryBatterySUM-3"AA" StationCard.

Operating Instructions

package)

Parts

Antenna

420(W) x

.

16-9/16(W)

.

lkHz;4OdB

...

30Hz to 15kHz;35dB

to l5kHz

x

3-7l8(H) x 12-114(Dl

. . . . 5.8 kS

+0.5d8,

. .

29.3dBf

ohms unbalanced

AC 120V,

...200W(UL)

98(H) x

-1dB

...65d8

.65dB

. .90d8

.

...40d8

. 60dB

(8pV)

. . 300pV/m

....27d8

..50d8

. ..73d8 antenna

311(D) mm

(12lb

13oz)

....2

......2

55dB

15pV

40dB

60Hz

in

1

FM

Tuner

Usable 50dB

Signal-to-Noise

Distortion

Mono.

Stereo

CaptureRatio. AlternateChannelSelectivity

Section

Sensitivity .

Ouieting

Sensitivity

Ratio Mono;75d8

(at

65dBf)

Mono;

Stereo;

11.2dBf

16.3dBf

. . . .

37.zd9f

(lHF) (1.OpV,75

(1.8pV,

(19.9pV,

Stereo;70dB

...100H2;0.15%

....100H2;

.. ..

75 75 ohms)

(at

85dBf)

(at

85dBf)

lkHz:0.15o/o

6kHz:O.2o/o

lkHz;

6kHz:O.4o/o

....1.0dB

400kHz;60dB

ohms) ohms)

0.3% O.3o/o

*Measured

Regulation rule on Power Output Claims

NOTE: Specifications notice-

pursuant

to the

and design subject

federal

to

possible

Trade

for

Commission's

Amplifier.

modification

Trade

without

SETTING USE SWITCH

Before the receiver leaves switch tion. switch is set Set

plan casting

(on

is

set to the channel

For

the U.S.A.. it is

it

to the

is

changed and the intervals

stations change from 1

THE AM

the rear

properly

9kHz

CHANNEL STEP

panel)

the

manufacturing

allotment

set to 1OkHz. Check

before use.

position

when the channel allotment

OkHz

NOTE:

Contact chan nel al

your

I

otment

dealer

pla

and

n.

inquire if

you

LOADING THE BATTERIES

Two size They are

"AA"

used

to

dry batteries

retain the station

functions. Before using the unit, disconnect the batteries

into

the

compartment on the rear

follows:

1. Slide the compartment

Load the batteries

2. with the

Fis.

Align

3. depress

lid in

(see

marks on the

2). the tab

the lid lightly.

the direction

Fig.

with the

of the

are

the

of the arrow and

1). polarities

inside

of the compartment

lid

with the interlocking

plan

of the destina-

between the

to

provided

units.

9kHz

are not sure about

as accessories.

presetting

power

cord

properly

plant,

that the

AM

broad-

memory

and

panel

oDen

aligned

hole and

this

the

load

as

the

(see

STEP

CHANNEL

iTil

f-Iil

??

l

OkHz

LtOrHz

position

9lHr J

Insert tab into

interlocking hole

Fis.2

Battery Precautions:

batteries

lf break precautions

Always

1. shown

2. Do not the same time.

Do

3. same

are incorrectly

open inside

when inserting

sure

be

above and

new

use

not use

different

time.

the battery holder. Observe

the + and - ends

marked

as

batteries

used,

they may leak

replacing

and

are aligned

on the battery holder.

partly

and

brands

and types of batteries

or even

following

the

the batteries.

properly

used batteries

at

as

at

the

4.

There rechargeable the When replacing

5. of with

are rechargeable

dry cell batteries. Always

battery

batteries

to be sure

(carbon

receiver. Do not

the

mium type batteires.

Fis.

3

dry cell batteries and non-

read the notes

kind

you

have.

which

the batteries, always use the

zinc)

as the ones originally

use alkaline and nickel cad-

Fis.4

type

same

provided

on

3

2. FRONT

PANEL

FACILITIES

{D|ffi

l\Ui

powen

O

Power ("in"

STETION DISPLAY WINDOWS

O

Insert which have switches.

FM

@

This lights

FM INDIcAToR

@

This

lights

when depressed

AM INDICATOR

O

This

lights when

when

DISPLAY

G)

This indicates has

been tuned

TUNED

€)

This lights when located searched in the

swtrcH

is

supplied to the unit when this

position).

frequency

the

preset

been

STEREo INDICATOR

when receiving

FM

the

receiving

depressed

during reception. lt

the AM

the

broadcasting frequency

in.

INDICATOR

the optimum

STATION

l\ri:

cards of the broadcasting

into

FM

an

FM

the

switch).

the AM broadcasts.

switch).

blinks when

SCAN

\+4

switch

STATION

the

program.

stereo

broadcasts.

when

tuning

mode.

point

stations are being

_-FFF.o_o

is depressed

(This

-)ll

_!E

./tttttt,uttl

T,-;r T:C] T-w-'l r;;-l r;Gt

stations

CALL

lights

(This

lights

a station

has

been

nnl*.

_#

r;E-l

TUNING SWITCH

@

This switch

Depress

quency tune

FM SWITCH

@

Depress this

nm

@

Depress this

|NPUT SELECTOR

o

PHONO:

AUX/VIDEO:

voluruE

@

Use this and headphones. Turn it level.

is used to tune

part

A

the

that on the

than

in a station with a

switch for

swtrcH

switch for AM

Press on the turntable PHONO Press audio VIDEO

coNTRoL

control

to adjust the output

in the station.

to tune

in a station

display; depress

lower frequency.

FM reception.

reception.

switch when

this

jacks.

this switch component

jacks.

clockwise

connected to the

higher fre-

with a

part

the

V

playing

connected to the

when listening to an

level

to the speakers

to increase the

to

a record

AUX/

output

PHONES

G)

Plug

the

headphones

listen

through

When

the headphones

from

the

speakers.

BAss

@

Use this control emphasized, tion),

c)

Use the is

tion), the

@

Use this channels. lf

it Turn sely, if means Therefore, adjust.

@

The

switch which

NOTE:

When

about 5 seconds.

@

These and to To using the switch.

@

These

switch is

@

This

control

is

the

bass

TREBLE

this

control

emphasized,

treble

BALANCE

control

means

that

the balance

the

that

srnrroN

indicator

presetting

srRrIoN

pressed

are

preset

call

out a station,

FM

|NPUT

light

oressed.

TAPE/ADPT

lights

JACK

plug

into

your

stereo headphones.

are

connected,

coNTRoL

to

adjust

the

moved

to

and

when

is

attenuated.

the right

it

is moved

CONTROL

to

adjust

the

is

moved

the

sound

the volume

turn

to

the right

and when

is

attenuated.

CONTROL

to

balance

sound

appears

the

volume

control

appears

the

balance

it is

the volume

of the

to the

to be louder

of

tNDtcATORS

that corresponds

has

been

depressed

a

cALL

the station.

AM

or

TNDTCATORS

when

all

station,

six indicators light

SWITcHES

to

call

out

first

set the desired

switches

INPUT

the

|ND|CATOR

the

TAPE/ADPT

jack

this

bass

of the

(+

direction),

to

treble

of the

(+

direction),

moved

to

be louder right

left

and

the

left

control

to the lights.

preset

broadcasting

and then

(PHONO

switch

you

when

no

sound is heard

sound.

the

left

sound.

to

the left

of

the left

on

channel

adjust.

on the left,

channel

to

the

STATION

in

sequence

frequency

press

the desired

AUX/VtDEO)

or

is depressed.

wanr

to

When

the

bass is

(-

direc_

When

the

treble

(-

direc-

and right

the

right,

is higher.

Conver-

is

higher.

right

and

CALL

for

stations

band

rururruc

@

This

is used

STATION

When casting stations stops once of

that station

operation

way.

Each When you

hear operation mode.

MANUAL

For

manual tune

in switch steps during

reception.

AM pressed,

stops when band id. reached.

it

NOTE:

,AM

CHANNEL

to correct

rape/aDPT

@

This is connected

@

The depressed

reduced and reception distant and its tune

@

accentuated. When

The for

depressed

uoruo

sound is heard

released

in

the

LOUDNESS

When

listening

is

low,

depress

the volume

hear

the

LOUDNESS

this

deficiency.

sELEcroR

to

select the reception

SCAN

the

the MEMORY/STOP

the sound

(depressed

the station

is depressed,

the frequency

(released

TUNING

start to be scanned

a station has

is heard for

then

resumes

of the

stations is

stops

and the unit

tuning.

FM reception

When

the upper

STEP

(lOkHz)

position.

swtrcH

when

to

the rear

MUTE

position.

station

bass

oFF

in mono

Normally,

During

signals

manually.

SWTTCH

performance

to a

this switch

is low,

and treble

switch

position):

switch is depressed,

been

about

and

thus

of the

desired

position):

Depress the

manually,

the frequency

and

the

TUNING

is continuously

or lower limit

switch on

using

a tape deck

panel

SWITcH

when

the FM

is

made

are weak,

and the bass

the human than when

is

thus

mode.

the broad-

and

this

picked

sound is

switch

each time

the

TAPE/ADAPTOR

the

clear.

with

designed

up.

The

5 seconds. The tuning

heard

in the

picked

up

in turn.

is

depressed once

program,

is

set to the reception

TUNING

changes

in lOkHz

switch is kept

rear

this

switch is set

switch is kept

reception, the

When

depress

the VOLUME

ear

the volume

switch

the

in 100kHz

steps

scanned.

of

the

panet

should be

or adaptor

the station is

the

switch and

and treble will

f inds

it harder

to compensate

procedure

program

same

the tuning

and

TUNING

during

de-

Tuning

frequency

set

unit

jacks.

to the

at the

noise is

level

be

to

is high.

meuonY/srop

@

This

switch

is

used

the

STATION

This

switch

during

the

CALL

is

also

STATION

swtrcH

preset

to

switches.

used SCAN

the

broadcasting

to

stop

function.

the

stations

tuning

into

operation

PARTS

3.

LOCATION

NO?ES:

The sofety deeignotio n,

your

For

marhs A'

GENERALLY

Thia

cloeaificotion eholl

n umber,

marh

,i.

foctor

of the

Pafis

*)

and *

te mpe roturc,

found

Stoch

on some

port,

Therefore,

Controt,

MOVES

be adjusted

h umidity,

component

uhen

the

FASTER

by each

e tc.

pdrts

rcplocing,

mouing

fast

THAN

disttibutor

indicates

be sure to use

items

orc indicated

*

because it depends

the

importance

parts

of the

of identicdt

raith

the

on

model

Front Panel

Display

cover

ANR4O7

Top cover ANE.369

panel

Front

ANM.O74

Knob

AAD406

Knob

AAB.274

Front

rt

LED AEL.378

assembly

(POWER)

(BASSJREBLE

View with Panel Removed

numeric

View

-

---------------

Knob

ITUNING)

AAD4OO

(FMl

Knob AAD4O2

(AM)

Knob

AAD403

(VOLUMEI

Knob

tD

f

Knob

AAD405

AAB'273

Knob

{INPUT}

AAD-399

ITAPE/ADPT,TUNtNG,

MONO,LOUDNESS)

(MEMORY/STOP)

Knob

AAD.4O4

jack

Phone

AKN{29

t t Push

A

Variable ACT-140

Variabte

ACT-023

(PHONESI

swirch

ASG-521

resistor

IPOWER)

(BASS)

(BALANCE)

Variable ACT-128

I

*

resistor(VOLUME)

4-ganged (TAPE/ADPT,TUNING,

MONO,LOUDNESSI

ASG-300

push

tt * Tact

ASG-177

Controlassembly GWX-706

switch

6

4.

PACKING

Mark

Rear

*

No.

Panel

* Slide switch

ASH-O15

Part

No.

AHA-294

1.

2. AR8438

3. ADH-004

4.

AHD-953

View

(AM

CHANNEL STEP!

Description

pad

Side Operating instructions

FM

T-type

Packing

antenna

case

Terminal AKB076

Terminal AKAO17

Terminat AKB-079

Terminal AK8077

View

Top

Crystal ASS-016

Complex GWM.2O7

(AM

STEREO

(ANTENNA)

(PHoNo,AUX/Vt

(PLAY)

resonator

assembly

OUT)

DEO,REC)

AC

socket

,.r

AKP-039

* Terminal

AKE-10'l

.A*

(AC

OUTLETSI

Strain AEC-358

power

AC

ADG.O52

(SPEAKERSI

A*tFuse(64)

AEK.l09

Power

transformer

ATT€40

relief

cord

Bar€ntenna ATB-636

assembly

A**

Fuse(eel

AEK.lOO

BLOCK

5.

FT

T_

loon

FTF

730

cxo!

FRONT

DIAGRAM

ENO

FM

IF

AMP

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IF AMP

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our

FM

MPX

MPX OECOOER

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FREQUENCY

ITUTERIC

LEO

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t_t l_t

I

oaTA cK2

DISPLAY

OISPLIY

.l_t

l_t

Cr(l

-

lur / vroEo

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t.

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cx

AT TUNER

8 R-Axr..

PHONO

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t*

.n r_#@*

._.op_q

TAPE,/ADrpr

-

AMP.

FUIICTIOT

oFF

sw

Ar rurER

SELECTOR

f

R.

CX.

LOUDNESS

rc

S

"o*o

sw

xooe

oFF

TUNING

OETECTOR

E, X'TAL

P3 P2

so

Rr3

PLL

SYNTHESIZER

POWER

CIRCUIT

FM IN

AM

MUT

ING

CONTR OL

AMPLIFIER

RESET

CHANNEL STEP

4l.3dB AT lltlr

IC M74LS42P

Y8

Y9 YO YI Y2 Y3 Y4 Y!

r2

34 5 6

STATION

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V / 8II

R4

IC

to

P06004

RESEr

srer*ens

sw

oN

G

f1--=Lu

| .+

l-H

-"'----------v

--s-------*---\H

,<5

-O

fl

)r

PHoxEs

-

POWER

SUPPLY

CIRCUIT

CONTROL crRcurr

AC

OUTL ETS

AC l2OV,

50 Xr

-

a

E

1

I

t2l

il

3

A

B

6.P

.C.

BOARDS

CONNECTION

DIAGRAM

C

D

-1

",'1