Pioneer Tx-1080z User manual

dQ)

PIONEER’

The

future

of

sound

and

vision.

Service

(ENED

FM/AM

DIGITAL

SYNTHESIZER

TUNER

%

65807

MODEL

TX-1080Z

COMES

IN

TWO

VERSIONS

DISTINGUISHED

AS

FOLLOWS:

Z/UC

(DC

power

supply)

U.S.A.

and

Canada

Z

{DC

power

supply}

General

market

@

This

service

manual

is

applicable

to

the

Z/UC

and

Z

types.

@

As

to

the

Z

type,

please

refer

to

page

28.

@

Ce

manuel

d’instruction

se

refére

au

mode

de

réglage

en

frangais.

(p.

24

-

p.

25).

®@

Este

manual

de

servicio

trata

del

método

ajuste

escrito

en

espafol.

(p.

26

-

p.

27).

CONTENTS

1.

SPECIFICATIONS

u....ccesccccccesecsscsesssecsesocssssevevssseneseers

2

7.

ELECTRICAL

PARTS

LIST.....ccccscccsssssssesssssersserseeens

20

D-

DANEL

FACILITIES

ncceiiuneuarudinataietseeavinctineds

ee:

6

ADJUSTMENTS

esikeeercatnentsetuaemnias

22

8-

PACKING

-atnacitiiaees

cae

5

Be

REGEAGE

sccociceniscacaiseslicsaic

cassneuhines

entrain

aes

24

4,

EXPLODED

VIEWS

AND

PARTS

LIST

.......c0seese

6

ISTE

cet

haatecreisianncheni

ate

aveaenseseaes

20

5.

SCHEMATIC

DIAGRAM.

.....c.csccccessesssessstsessesssvesereees

9

Be

PORT

TY

PE

cheered

ct

eteradeccaio

decnermaneane

28

6.

P.C.

BOARDS

CONNECTION

DIAGRAM

..........000

13

PIONEER

ELECTRONIC

CORPORATION

4-1,

Meguro

1-Chome,

Meguro-ku,

Tokyo

153,

Japan

PIONEER

ELECTRONICS

SERVICE

INC.

P.O.

Box

1760,

Long

Beach,

California

90801

U.S.A.

PIONEER

ELECTRONICS

OF

CANADA,

INC.

505

Cochrane

Drive,

Markham,

Ontario

L8R

6B8

Canada

TEL:

[416]

479-4411

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Keetberglaan

1,

2740

Beveren,

Belgium

TEL:

03/775

-

28

-

08

PIONEER

ELECTRONICS

AUSTRALIA

PTY.

LTD.

178-184

Boundary

Road,

Braeside,

Victoria

3195,

Australia

TEL:

[03]

580-9911

FV

©

APR.

1987

Printed

in

Japan

1.

SPECIFICATIONS

FM

Tuner

Section

Frequency

range.............

87.5

MHz

to

108

MHz

|

Usable

Sensitivity

(IHF)

.......

12.7dBf

(1.2uV/75Q)

50dB

Quieting

Sensitivity...

MONO:

18dBf

(2.2uV/75Q)

°

STEREO:

38.3dBf

(22.6uV/75Q)

Signal-to-Noise

Ratio.

....

,...Mono;

77

dB

(at

85

dBf)

Stereo;

73

dB

(at

85

dBf)

DISTOruON

cs

6%.

6-Grale

a

be

4

eee

ee

eee

aes

0.5%

(1

kHz)

Alternate

Channel

Selectivity

........

60

dB

(400

kHz}

Stereo

Separation

.......0..-.0.

00

eae

40

dB

(1

kHz)

Frequency

Response

........

30

Hz

to

15

kHz

(+1

dB)

Image

Response

Ratio...

0...

.

ee

es

38

dB

IF

Response

Ratio

..........

0c

eee

110

dB

Antenna

Input

...............20048

300

§2

balanced

75

QQ

unbalanced

UOC

E525.

ete

eee

eres,

Se

eh

heed

650mV

(100%

MOD.)

AM

Tuner

Section

Frequency

range

(10kHz/9kHz

step)

.......

be

re

eh

oe

530/531

kHz

to

1,700/1,602

kHz

Sensitivity

(IHF,

Loop

antenna)

..........

350

pV/m

GLC

CLINI

CY

ooo

ise

Ge

ew

jd

can

Sede

ea

ao

ae

20

dB

Signal-to-Noise

Ratio.........

Pee

ee

eee

45

dB

LP

Response

Rao

3.2

2

o8

bee

eee

de

Sade

eee

50

dB

pPLCIING:

6-5

fa

Sok

ee

hn

Hk

ee

a

loop

Antenna

OUT

cer

hene,

Soest

Be

eid

thee

ee

eae

150

mV

(30%

MOD.)

Miscellaneous

Dimensions

..........

420

(W)

x

60

(H)

x

215

(D)

mm

16-1/2

(W)

x

2-3/8

(H)

x

8-7/16

(D)

in

Weight

(without

package)............

2

kg

(4

Ib

6

oz)

Furnished

Parts

FM

T-type

Antenna

.....

ee

AN

660

Antenna:

2.08

so

edd

oe

ie

Me

ee

eee

2.

PANEL

FACILITIES

|

Radio

reception

is

not

possible

unless

the

FM

ANTENNA

a

3.

PAC

antenna

Is

properly

connected.

FM

T-type

Antenna

Attachment

Connect

the

accessory

FM

T-type

antenna

to

the

FM

terminals.

Stretch

the

antenna

out

to

its

full

length,

and

affix

It

to

a

wall,

etc.

Stretch

out

both

ends.

The

strength

of

broadcast

signals

varies

from

one

area

to

another

(signal

propagation

is

especially

poor

in

metropol-

itan

areas,

where

there

are

many

tall

buildings,

and

in

mountainous

areas).

Proper

antenna

installation

is

vital

to

good

reception.

The

AM

loop

antenna

supplied

with

the

tuner

should

be

Correct

Wrong

connected

to

the

AM

antenna

terminals.

The

antenna

The

accessory

FM

T-type

antenna

must

:

-.

be

connected

to

ensure

proper

recep-

should

be

placed

at

a

distance

from

the

tuner,

and

should

FP

tion.

|

not

be

allowed

to

touch

metallic

objects.

Avoid

placing

it

3

.

H

=>

d

near

CD

players,

personal

computers,

television

sets,

and

.

\

other

devices

generating

radio

frequencies.

|

-

Setting

Up

the

AM

Antenna

_

External

FM

antenna

installation

®

Fold

out

the

supports

on

the

bottom

of

the

antenna.

Insert

the

stopper

in

the

hole

in

the

antenna

to

lock

them

in

place.

@

Place

the

antenna

on

a

level

surface

and

rotate

it

to

locate

.

Use

an

external

antenna

when

the

signals

from

the

station

are

weak

and

cannot

be

picked

up

by

the

accessory

T-type

FM

antenna,,or

when

the

sound

heard

is

accompanied

by

Sede

Acmian

hy

idethe

b

large

amounts

of

noise.

There

are

two

ways

of

connecting

|

:

the

orientation

that

ylelds

the

best

reception.

the

external

FM

antenna

to

the

ANTENNA

terminals:

with

AM

Loop

Antenna

Set-up

300Q

feeder

wire,

or

with

a

7582

coaxial

cable.

t

is

recommended

that

you

use

the

7502

coaxial

cable,

Hole

so

that

the

effects

of

extraneous

noise

are

reduced

to

a

minimum.

@

FM

MONO

switch/indicator

|

.

|

5)

FREQUENCY

display

When

the

connecting

cable

Normally

this

is

set

to

the

off

position

(the

FM

MONO

Permits

reading

the

received

frequency

at

a

glance

from

the

is

a

75

coaxial

cable

indicator

goes

off).

When

noise

spoils

the

reception

of

an

FM

displayed

figure.

The

FM

band

ts

indicated

by

MHz,

and

the

AM

Loop

Antenna

program,

press

the

switch

to

the

on

position

(the

FM

MONO

AM

band

by

kHz.

, |

Connection

|

indicator

will

now

light).

The

accessory

AM

jioop

antenna

must

be

The

program

of

an

FM

stereo

broadcast

will

be

heard

in

mono.

TUNING

switch

rr

~\

connected:(0

ensure

proper

reception.

|

When

the

connecting

The

setting

of

the

FM

MONO

switch

(on

or

off)

is

memorized

This

is

jead

fn

scsi

hotsestons

Ned

. |

cable

is

a

3002

alo

ith

the

station's

f

in

the

STATION

CALL

|

ei

|

*

©

©O'1O

i

Ep

:

|

Meee

pareeais

a

2

|

Push

either

side

of

this

switch;

the

left

side

“—’’

to

go

to

a

a3

oe

Pe

|

feeder

wire

_

When

using

the

preset

tuning

feature,

reception

will

be

in

the

OWAar

Ano

ANG

TghUsIge:"¥

ee

tole

Haier

IeqURniey:

©

mode

selected

when

the

station

was

memorized.

External

AM

antenna

|

This

switch

will

not

function

for

AM

reception.

@

STEREO

indicator

|

Indoor

AM

antenna

_

AM/FM

CHANNEL

STEP

SWITCH

®

Parts

Li

|

This

lights

leh

a

stereo

program

has

been

picked

up

during

Provide

a

vinyl-coated

wire

(5

to

6

meters

long).

Secure

one

The

AM/FM

channel

step

switch

is

located

on

the

rear

panel

-

ey

No

@AUTO/MANUAL

tani

‘tch/indi

an

FM

broadcast.

end

to

the

AM

terminal

and

the

other

end

to

a

wall

or

other

of

the

digital

synthesizer

tuner.

Before

the

tuner

leaves

the

—

@

Uning

switch/indicator

:

factory,

this

switch

i

h

:

,

Eeprera

enian

an

ies

high

location.

|

actory,

tnis

switch

Is

set

to

the

channel

allotment

plan

of

the

Tey,

se

to

select

either

the

mode

or

-

mode

for

©

TUNED

indicator

|

area

in

which

the

tuner

is

sold.

When

the

TUNING

switch

is

2.

MIAMI

rece

Ons

Eine

Ane

eure

Ung:

Mase:

eee

ceG,

This

lights

to

indicate

when

the

finest

tuning

of

a

station

has

ee

:

given

a

single

push,

the

frequency

display

will

ch

in

th

3

the

AUTO

TUNING

indicator

will

now

light.

_

one

panies

9

If

reception

is

still

poor

even

when

a

lead

antenna

has

been

falladin

pe

gone

vary

canner

pe

4.

as

stretched

out

indoors,

stretch

out

a

vinyl-coated

wire

and

se-

g

ows

cure

it

outdoors.

Model

51.

CHANNEL

STEP

/

Frequency

change

switch

position

T

ALL

switch

| | |

©

STATION

C

sdbchal

apatites

©

BAND

SELECTOR

switch

Connecting

the

external

AM

antenna

The

r

to

recail

preset

broadcasting

stations

and

to

enka

se

are

used

p

g

This

is

used

to

select

the

band

of

the

desired

station.

The

reset

the

station.

me.

Sey

ji

p

|

bands

change

alternately

each

time

the

switch

is

pressed.

| | |

->

FM

reception

>

AM

reception

>

@

MEMORY

switch

EE)

This

switch

is

used

to

memorize

stations.

When

the

switch

is

pressed,

the

frequency

indicator

will

flash.

To

memorize

the

frequency

of

any

station,

press

the

STATION

CALL.

switch

while

the

frequency

display

is

flashing.

|

destination

FM

AM

mode

100

kHz/10

kHz

100

kHz

|

10

kHz

50

kHz/9

kHz

50

kHz

-?

Outdoors

AM

antenna

Continental

|

South

America

|

Other

countries

®

/f

the

switch

is

set

to

the

wrong

position,

correct

tuning

will

not

be

possible.

ll

North

America

and

Indoor

AM

antenna

Consult

your

dealer

if

you

are

not

sure

about

the

channel

allotment

plan

in

your

area.

AM

loop

antenna

-

NOTE:

Do

not

detach

the

AM

loop

antenna

when

using

the

external

AM

antenna.

i

glance

from

the

by

MHz,

and

the

je

“—"

to

go

to

a

igher

frequency.

picked

up

during

g

of

a

station

has

sired

station.

The

witch

is

pressed.

niseondl

Radio

reception

is

not

possible

unless

the

antenna

is

properly

connected.

The

strength

of

broadcast

signals

varies

from

one

area

to

another

(signal

propagation

is

especially

poor

in

metropol-

itan

areas,

where

there

are

many

tall

buildings,

and

in

mountainous

areas).

Proper

antenna

installation

is

vital

to

good

reception.

.

The

AM

loop

antenna

supplied

with

the

tuner

should

be

connected

to

the

AM

antenna

terminals.

The

antenna

should

be

placed

at

a

distance

from

the

tuner,

and

should

not

be

allowed

to

touch

metallic

objects.

Avoid

placing

it

near

CD

players,

personal

computers,

television

sets,

and

other

devices

generating

radio

frequencies.

Setting

Up

the

AM

Antenna

@

Fold

out

the

supports

on

the

bottom

of

the

antenna.

Insert

the

stopper

in

the

hole

in

the

antenna

to

lock

them

in

place.

a

@

Place

the

antenna

on

a

level

surface

and

rotate

it

to

locate

the

orientation

that

yields

the

best

reception.

AM

Loop

Antenna

Set-up

Hole

AM

Loop

Antenna

topper

Connection

b=)

External

AM

antenna

Indoor

AM

antenna

Provide

a

vinyl-coated

wire

(5

to

6

meters

long).

Secure

one

end

to

the

AM

terminal

and

the

other

end

to

a

wall

or

other

high

location.

eo

Outdoor

AM

antenna

If

reception

is

still

poor

even

when

a

lead

antenna

has

been

stretched

out

indoors,

stretch

out

a

vinyl-coated

wire

and

se-

cure

it

outdoors.

|

)

Tne

accessory

AM

loop

antenna

must

be

connected

to

ensure

proper

reception.

S_Ril<||

+

UW

Connecting

the

external

AM

antenna

Outdoors

AM

antenna

Indoor

AM

antenna

AM

loop

antenna

*

NOTE:

Do

not

detach

the

AM

loop

antenna

when

using

the

external

AM

antenna.

.

FM

ANTENNA

FM

T-type

Antenna

Attachment

2

Connect

the

accessory

FM

T-type

antenna

to

the

FM

terminals.

Stretch

the

antenna

out

to

its

full

length,

and

affix

it

to

a

wall,

etc.

Stretch

out

both

ends.

Correct

Wrong

The

accessory

FM

T-type

antenna

must

be

connected

to

ensure

proper

recep-

External

FM

antenna

installation

_

Use

an

external

antenna

when

the

signals

from

the

station

are

weak

and

cannot

be

picked

up

by

the

accessory

T-type

FM

antenna,

or

when

the

sound

heard

is

accompanied

by

large

amounts

of

noise.

There

are

two

ways

of

connecting

the

external

FM

antenna

to

the

ANTENNA

terminals:

with

300Q

feeder

wire,

or

with

a

7592

coaxial

cable.

|

It

is

recommended

that

you

use

the

7592

coaxial

cable,

so

that

the

effects

of

extraneous

noise

are

reduced

to

a

minimum.

When

the

connecting

cable

is

a

7522

coaxial

cable

.

75©

coaxial

cable

When

the

connecting

cable

is

a

3002

feeder

wire

AM/FM

CHANNEL

STEP

SWITCH

The

AM/FM

channel

step

switch

is

located

on

the

rear

panel

of

the

digital

synthesizer

tuner.

Before

the

tuner

leaves

the

factory,

this

switch

is

set

to

the

channel

allotment

plan

of

the

area

in

which

the

tuner

is

sold.

When

the

TUNING

switch

is

given

a

single

push,

the

frequency

display

will

change

in

the

following

units.

|

Model

destination

CHANNEL

STEP

Frequency

change

switch

position

AM

mode

North

America

and

|

100

kHz/10

kHz

100

kHz

|10

kHz

Continental

South

America

50

kHz/9

kHz

NOTE:

®

/f

the

switch

is

set

to

the

wrong

position,

correct

tuning

will

not

be

possible.

:

Consult

your

dealer

if

you

are

not

sure

about

the

channel

allotment

plan

in

your

area.

50

kHz

3.

PACKING

@

Parts

List

of

Packing

Mark

No.

BON

>

51.

Part

No.

AHD1215

AHA1046

ARH-051

AEAi002

Description

Packing

case

Side

pad

Supplementary

instructions

Antenna

set

Packing

sheet

Note:

In

some

cases,

the

TX-1080Z/Z/UC

type

is

sold

to-

gether

with

the

Model

SA-1480/KUC

type

and

SA-

1280/KUC

type

as

a

combination

system.

Conse-

quently,

the

operating

instructions

include

these

models

and

are

packed

with

the

Model

SA-1480/

KUIC

tyne

an

AGA

_ADQNI/RTIC

tune

KUL

type

anid

SA-120U/KUC

type.

®

Parts

List

of

Operating

Instructions

(TX-1080Z/Z/UC

type)

Part

No.

Model

|

ARB1066

Stereo

Amplifier

SA-1480/KUC

type

(English)

ARB1065

Stereo

Amplifier

SA-1280/KUC

type

(English)

TX-1080Z_

4.

EXPLODED

VIEWS

AND

PARTS

LIST

NOTES:

e

Parts

without

part

number

cannot

be

supplied.

|

©

The

A

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

A

factor

of

the

part.

Therefore,

when

replacing,

be

sure

to

use

parts

of

identical

designa-

tion.

7

_*

For

your

parts

Stock

Control,

the

fast

moving

items

are

indicated

with

the

marks

*

AL.

:

certeeeecenieis

oe

einen

metmmimemnin

mine

mie

nh oh

maiemmnms

tt

ns

nn

nigel

ae

nine

emcinnaggetinn

naar

Ren

eae

sone

ae

*

GENERALLY

MOVES

FASTER

THAN

*

|

-_

=

This

classification

shall

be

adjusted

by

each

distributor

because

it

depends

on

model

:

number,

temperature,

humidity,

etc.

e

Parts

marked

by

“®”

are

not

always

kept

in

stock.

Their

delivery

time

may

be

longer

|

7 |

than

usual

or

they

may

be

unavailable.

_

|

Ce

-

oy

=e

ay

@

Parts

List

Mark

No.

—

Part

No.

Description

1

AMB1166

Front

panel

assembly

2.

AAD1107

Push

knob

B

-

|

3.

AAK1226

Indicator

pane!

:

B

4

AAK1257

FL

filter

5

ANE1070

Bonnet

case

6

AEC1049

Leg

assembly

7.

ABA-298

Screw

8.

ABA1009

Screw

9

BPZ30PO80FZK

Screw

10

AWZ1350

’

Tuner

assembly

11.

ADE1024

Connection

cabie

eaneeeil

51.

°

SW1

assembly

52.

SW2

assembiy

53.

Chassis

54.

PCB

setting

plate

©)

O

1

2

3

p

5

TX-1080Z

mV

;

Signal

voltage

at

FM

400Hz

+75

Hz

DEV.

R401

3.3%

SW1

ASSEMBLY

SW2

ASSEMBLY

5.

SCHEMATIC

DIAGRAM

|

i

TUNER

ASSEMBLY

{AW2Z1350)

|

L105:

SENSITIVITY

ADJUSTMENT

st

Q108,

109:

BUFFER

+“2V

L105

'

‘

ATE1003

r>--~~7a---

7

e127

4

ows.

Bok

33k

SL

sr2v

T102:

SENSITIVITY,

R128

1C102:

MPX

IC

fe

7101:

SENSITIVITY

;

MPX

DISTORTION

330

O00p

Q102:

FM

MIXER

(

SNO

cntor

|

SP

CONNECTOR

4P

ANTENNA

Q101:

FM

RF

AMP

ADJUSTMENT

Tee

at

HN

TERMINAL

aes

a

Sen

x

CT

isa

a7

|

Sax.

22/50

AKA-O17

F301

7101

;

24

1102

6)

RIS4

47k

}

Rare

ATF-155

0101

@arc-194

C106

Q102

ATF-063

R120

oe

eee

R127

ng

Ach

el

|

ee

een

a)

:

te

=f

mi

O

~!

saree

stage

Roos

iC

Quer:

3

a Z

ee

=a

cE

ns

Et

oy

R104

Sie

Re

ee

Y

|

Rise

47K

|

am

|

R037

9

=

;

op

Oo”!

:

2.2nH

¢

a2

YG

O

i

=

7

fw

ne

ene

|

[22

2

@

D106

4)

33k

22,

ee

ane

aay

C101

.

R103

S60

(LS

Ed

70

PP

powat

tear

fase

peer]

7]

fe

|

feet

|

fee

sf

w=

=

:

A

:

g

7

O

F102

F103

RIGS

LEK

8

Om}

pete

ATF-119

ATF-107

MUTE

heveare

‘

of<ve

1

Q103:

FM

IF

AMP

-

CONTROL

Lo,

2

3

2a

Q110:

MUTE

Sy

R109

RIT!

WC

a

r

=4

4.7%

=.

1

=

O73

|

or04

cm

2202

180

es)

Q117:

FM +B

SWITCHING

ge

pati

p

ae)

ATB-102

CH

es

as

On?

o>

Q111:

POWER

Ss

AM

LOOP

c103

9

4

stitial

ANTENNA

0.01

eels

pees

k

Pp

woe

3

2

si

82

3

b—

Wy

3

es

Vv

Bok

ee

ctos

se

eaten

ole

won

“FQ105

AM

DETECTOR

OUT

(3)

%

BS

mak

3

I

Siig

|

elast

&

foe

aaa

te

dw

ag

om

+

4.3K

epee

ATCIOO3

15k

a

=

a

BA

+|47710

aa

wo’

;

C143

°o

Q104:

FM

LOCAL

OSC

0105:

FM

VCO

0.047

AEN

co

Crewe)

pe

oe

ost

Kore

tose

3

7

FM

VCO

1C101:

AM/FM

IF

per

gm

ag

ik

3.37/80

|“

Vv

ton

Rae

100k

10/28

EE

ue

ge

VRTBGVS472

+12V

a

+12V

47k

DATA

cae

yp

-

CRRE

sa]

ce

a

0,022

BACK

UP

+8

TCT:

ACM-Ot5

5

100k

nies

STEREO

INDICATOR

T103:

SENSITIVITY

L106.

lan

RESET

60

F |

ADJUSTMENT

Ree

27k

4)

a

ee

>

;

0p

.

:

AC

WAVE

FORM

SHAPING

33

+]

C139

&

Q115:

RESET

22000/5.5

TC101:

SENSITIVITY

a]

3

:

y

Ac

ADJUSTMENT

i

"P20

“NS

VDO

b

2

64

Ko

/OL

KO

LES

oes

1

aed

Coen

:

Sea

ee

es

ee

oes

ce

ee

go

ee

he

ee

eee

A

AO

Ys

OB

fi

0d

ERG

RED

es

(a

L107:

TRACKING

ADJUSTMENT

[5.5]

*2v

rey

a

PD

a

SL

Se

EA

ke

2°

St01~N2

:

ASG-712

7:

7

a

eS

SE

"5,

ST

AEE

went,

[59

stot

me

ST

L107

;

ATB

1003

.

5

s

-j—+_taezen

bs

Mono

[a=

MoNo

>—4

\

pay

ae

Qu007

tS

3

ae

Ge

ne

pe

wre

io

ais

S102

=a

ST2

-—

ot

1C103:

PLL

IC

-c

et:

i

woe

LPP

PP

EL

sot

fle

15

crs

ESS

22S

“5

3%

©

p

ie

Q116:

AM

+B/SWITCHING

ge ms

va

ERS

eme]

fT

tT

,

ree

FM

+8

on/OFF

OE

|

A

9

ms

[eea,_aveare

|

Tt

EE

Ge

a

lag

_rnsamet

|

1)

Seace

eee

boo

ial

ee

els

PAE

resem

eee

,

c2

4

TC102:

TRACKING

ADJUSTMENT

ett

[ree

2

cen

wre

a

|)

=

a

CL

db

<9

“RITS

a7

ee

sav

ops

0

ee

T

METER

IN

fine

T

METER

IN

bs.e5

He

zz

c122

%

Ro

ee

{5/50

nde

ig

9k/

10%

|

|]

ou

/10

ve

jae

reoex]

|

ret

ko

27k

NS

zi

|_|

20}

ru

[AS

ap

FB

S3K

|

RNS

.

R203

C185

50

3.3k

L108

;

Oo

2

VT

Bad

Dp

ad

+

feats

:

S0/9kHz

100/10kHz

~

R221

2.2k

pee

ae

ce

gg

*

Q106.

vec

v

$500

*12V

ON/OFF

MONO

Ly

all

|

By

SAT

TO

ammo

nr

Pl

woner

|

[id

lee

‘@

4.7k

Leo}

28]

ac

Ko

+

=

:

cn

AN

ect

|

Pee

SS

K

V101

:

AAV-017

WET

a

Pg

a

ere

lee

ed

ee

el

|

dS

Sea

ae

iamiaes

ees

(DORs

meses

Gem

(oe

aeeees

Senne,

a

OY

Sl

Se

eae

sol<™,

Miceelss

ome

|

TTT

1101

>

LAI265S

Q112,

13

:

OTCI43ES

Baers

|

R205

1M

30]

ae

ago

:

1€102

>

AN7470P

Q114,

116,

R183

m7

1C103

:

LM7001

On?

>:

DTAIS3ES

Q114

x102

31

47k

R157

nie

Pico

ioe

a

10104

:

PDS5054

Q115,121

:

~DTCI24ES

TAINO

0

REM.CON

:

Lita

.

cigs

L

ASS-0301

O47,

vss

:

K

ps501

Q101

=:

2SK241

|

any,

[2

=

th

Q112:

}2/24

IND.

DRIVER

Q102

:

28C2786

D101,102.:

~:ITT310

pet

ai

Q103,104

:

eecceee

D103

>

KVO71I4-2

Q114:

TUNE

IND.

DRIVER

1C104:

TUNER

CONTROL

LZ,

J\uS2

eu)

es

ai

ibs

:

2SK246

D105~108,

Rig

uBERPoSETESSSeessrehesaesrysyess

FSezeu

MICSORAMEUTER

"2

<3

J

Q107

:

2SCI740SLN

—s_0141,

113,

114:

1SS131

ited

Z

z

8

.

g

Q113

Q12

eae

Q108,

109

3

|

aS

ai:

2sci740s

D10,501

:

‘RD7.5ESB

isa’

é

|

113:

FM

MONO

IND.

DRIVER

+—+—t

| | |

Q110

:

28A933S

DII2

:

RD6.2ESB

C163

:

ACH1023

+++

ttt

|

=

aa

Eeeee

lle

TPIBO)

FL

_R225

470

iS

Re

eee

i

Sees

elle

be

le

ese

rer

ts

:

ce:

mm

:

‘ ,

iT

:

1,

RESISTORS

4.

OTHERS:

5.

SWITCHES

SOOO

Od

6

OO)

A

indicated

in

Q,

1/8W,

1/4W,

+5%

tolerance

unless

otherwise

noted

=>

;

Signal

route.

sio1

:

1/713

S301

:

AUTO

/

MANUAL

BEES

S401~404:

ASG-7It

ki

KO,

Mi

MQ,

(F):

21%,

(G)i

£2%(K)i

210%.

(M);

t20%

tolerance

©

:

Adjusting

point.

sio2

:

2/14

_

$302

:

FM

MONO

S103

+

3/15

$301,302

:

ASG-711

2.

CAPACITORS:

Tne

A\

mark

found

on

some

component

parts

Indicates

the

Importance

$104

:

4/16

$401

:

TUNING

-

indicated

in

capacity

(hF)/voltage

(V)

unless

otherwise

noted

of

the

safety

factor

of

the

part.

Therefore,

when

replacing,

be

sure

S105

:

5/17

$402

:

TUNING

+

:

6/18

$403

:

MEMORY

b:

pF.

Indication

without

voltage

is

SOV

except

electroly.ic

capacitor,

1

Use

parts

of

Identical

designation.

.

ess

Ae

ares

:

marked

capacitors

and

resistors

have

parts

numbers.

$107

:

7/19

$404

:

BAND

SEL

:

;

:

si08

:

8/20

Se

VOLTAGE

SURREN:

This

is

the

basic

schematic

diagram.

but

the

actual

circult

may

vary

due

=

sig9g

:_-9/21

S500

:

CHANNEL

STEP

FM/AM

“J;

DC

voltage

(V)

at

no

input

signal

to

improvements

In

design.

sitio

:

10/22

50/9

kHz

—

100/10kHz

D402

:

AEL1009

Value

in(

)

is

DC

voltage

at

rated

power.

:

st:

1/23

oo

ee

mA

i;

DC

current

at

no

input

signal.

|

sie.

:

12/24

The

underlined

indicates

the

switch

position.

cw

6.

.C.

BOARDS

CONNECTION

DIAGRAM

NOTE

1.

This

P.C.B

connection

diagram

is

viewed

from

the

parts

mounted

side.

2.

The

parts

which

have

been

mounted

on

the

board

can

be

replaced

with

those

shown

with

the

corresponding

wiring

symbols

listed

in

the

following

Table.

P.C.B.

pattern

diagram

indication

Corresponding

part

symbol

Transistor

Radiator

type

transistor

Paes

;

Resistor

Capacitor

(Polarity)

Capacitor

(Non-polarity)

ae

Leas

|

Variable

resistor

or

Semi-fixed

resistor

3.

~The

capactor

terminal:

marked

with

©)(double

circles).

shows

negatine

termian|.

4.

The

diode

terminal

marked

with

©)

(double

circles)

shows

cathode

side.

5.

The

transistor

terminal

to

which

E

is

affixed

shows

the

emitter.

;

ies

YELLOW

a

aN

ss

: ;

:

————aer

:

eae

SW2

ASSEMBLY

TUNER

ASSEMBLY

(AWZ

1350)

TP7

TP6

TPS

RR

53

SSS

Son

“TX-IOBOZ

External

Appearances

of

Transistors

and

ICs

-

2SK246

|

-28C2786

Type

No

.

Type

No

Lot

No

hre

Lot

No

loss

S$

G

D

E

a

cS

2SK161

2SA933S

DTA143ES

2SK241

28C1740S

:

DTC124ES

|

28C1740SLN

DTC143ES

28C2668

AN7470P

LA1265S

PD5054

LM7001

|

19

7.

ELECTRICAL

PARTS

LIST

NOTES:

e

Parts

without

part

number

cannot

be

supplied.

e

Parts

marked

by

“®”

are

not

always

kept

in

stock.

Their

delivery

time

may

be

longer

than

usual

or

they

may

be

unavail-

able.

|

a

|

©

The

A\

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

_____replacing,

be

sure

to

use

parts

ofidentical

designation,

=

e

For

your

parts

Stock

Control,

the

fast

moving

items

are

indicated

with

the

marks

k

*

and

*.

*

GENERALLY

MOVES

FASTER

THAN

*

This

classification

shall

be

adjusted

by

each

distributor

because

it

depends

on

model

number,

temperature,

humidity,

etc.

e

When

ordering

resistors,

first

convert

resistance

values

into

code

form

as

shown

in

the

following examples.

Ex.1

When

there

are

2

effective

digits

(any

digit

apart

from

0),

such

as

560

ohm

and

47k

ohm

(tolerance

is

shown

by

J

=

5%,

and

K

=

10%).

|

5602

56

X

10!

DOT

siicecrsaarncncoursvcemn

RDIAPSE

fa

WJ

47kQ

47

X

10°

ATS

scosscecceriebeusates

vans

RDI/4PS

[3]

J

0.522

0D)

te

RO

ee

RCE

SER

SE

RN2H

K

IQ

OO

sic

acastiaiteeuss

boa

Rat

cr

eteattaatausl

RSIP

i)

fl

K

Ex.

2

When

there

are

3

effective

digits

(such

as

in

high

precision

metal

film

resistors).

S.62KkQ

S62

X10!

—

SO

DD

vvecesessccccscsseeseees

RNIASR

8)

©

F

MISCELLANEOUS

PARTS

SWITCHES

Mark

Symbol!

&

Description

Part

Ne,

| |

Mark

Symbo!

&

Description

,

Part

No.

Tuner

assembly

AWZ1350

**&

$101

—

$112

Tact

switch

ASG-712

SW

1

assembly

(STATION)

SW2

assembly

*

$500

Slide

switch

-

ASH1015

(CHANNEL

ATEP)

Tuner

Assembly

(AWZ1350)

COILS,

TRANSFORMERS

AND

FILTERS»

SEMICONDUCTORS

Mark

Symbol

&

Description

Part

No,

Mark

Symbol

&

Description

Part

No.

«L107

AM

OSC

coil

ATB1003

L102

FM

coil

ATC1003

**

{C102

AN7470P

liste

L105

FM

DET

coil

ATE1003

**

10101

LA1265S

a

ke

10103

|

M7001

L101,

L108

Axial

inductor

LAU2R2M

#

ic104

sos

oe

869

LIUO

mauctor

LiAt/2u

**&

Q114, 0116,

Q117

—

DTA143ES

|

kk

01150121

DTC1

aa

T103

AM

ANT

transformer

ATB-095

ke

01120113

.

3

DTC143ES

1101

FM

RF

transformer

ATC-194

kk

Q110

—

2S8A933S

T102

FM

matching

transformer

ATE-063

x*

QO

Q

0

|

oe

ee

eeeNiaee

F103

|

FM

ceramic

filter

ATF-107

*%&

Q107

|

>SC1740SLN

aes

by

ceramic

we

uae

**

0103,

0104

2SC2668

bt

sake

tion

thes

*&

Q102

2502786

F104

AM

ceramic

filter

ATF-208

**

0105

2SK161

**

0101

2SK241

CAPACITORS

*

&

Q106

| 7

2S5K246

Mark

Symbol!

&

Description

Part

No.

*

D103

KV0714-2

TC101,

TC102

Ceramic

trimmer

ACM-015

*

D110,

D501

RD7.5ESB

aoe

|

cae

bdeishe

*

D105

—

D108,

D111,

D113,D114

~—-

188131

C106

CCDCHO2Z0C50

C101

,

CCDCH040C50

C111

CCDCHO80D50

C108,

C114,

C159,

C160

©

CCDCH150J50

C169,

C170

CCDCH270J50

C110

CCDCH330J50

20

Pioneer TX-1080Z User manual

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