Pioneer TX-530-L Service manual

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rrloNEEFt'

STEREO

TUNER

TXISSOL

o

This

service

o

ce manuel

o

Este

manual

MODEL

Type

HE HB

CONTENTS

1.

SPECIFICATIONS FRONT

2. PARTS

3.

4.

BLOCK

5.

CIRCUIT DIAL

6.

7.

P.C.

BOARDS

CORD

manual is

d'instruction

de

servicio

TX-530L

PANEL

LOCATION

DIAGRAM

DESCRIPTIONS.

COMES

22OV and 22OV and24OV

FACILITIES

STRINGING

CONNECTION

applicable

to the

se refdre

trata

del

IN

TWO

Voltage

24OY

DIAGRAM

HE,

HB

au mode

m6todo

de r6glage,

de

VERSIONS

types.

en frangais.

ajuste escrito

DISTINGUISHED

2 3 4

5

5 6 7

8.

9.

10.

11.

12.

en

espafrot.

REMARKS

Europe

model

U.K. model

SCHEMATIC ELECTRICAL EXPLODEDVIEW... PACKING ADJUSTMENTS

DIAGRAM

PARTS

..

nEclnce

AJUSTE

ORDER ARP

AS FOLLOWS:

Remarks

LIST.

.

NO.

-086-O

9 11 13 14 15 17 19

CHANGE When

transformer.

PICINEEFI fJ'''

FE'ifIIF|

F|C

NTIF|

FE'NtlFl

lllcr;loNtc ILICTFIC'NICa

OF LINE

switching

ELECTFICINIC

ILIC?!|CINIC!

(ErJFroPEt

VOLTAGE

trom

over

CCIFIFCIFIATICIN

AUaTFIALIA

22OY

CCIFIPCIFIATICIN

N.v' Luirh€gen-H.ven

P?Y.

to 24OV,

E}5

Oxfond D.ive. Moonechte,

LTo. 178. 1A4

change

4-1.

Meeu.o 1-chome,

g.

eo3o

anrweFp,

Elouncie.y Road,

the connection

rwesu.o-ku,

New Jens€v

Elelgium

Bnaes.de, vacconia

o7o74.

Tokyo 1s3,

31

of

L).s.A.

95.

the

a.u6r.6tr6

lead

J6p6n

YU O

wire for

1982

JAN.

the

Printed

power

in

lapan

1.

SPECIFICATIONS

Tuner

FM

Usable Sensitivity 50 dB Ouieting Sensitivity

Sensitivity(DlN) Signal-to-Noise Signal-to-Noise Distortion

Stereo........

Distortion

Stereo

CaptureRatio..........

Alternate Channel Stereo Separation

Frequency Response Spurious lmage Response Ratio

Response Ratio ..........

lF AM

Suppression Muting

Antenna Input . . . . .. . 300

Section

.........

Ratio Ratio

(at

dBf)

@

(DlN)

........

Selectivity

Response

Ratio

Threshold

(at

80 dBf)

(DlN)

............

Ratio .........

ohms balanced,

LW Tuner Section

Sensitivity

lHF, external antenna selectivity Signal-to-Noise

lmage Response lF Response

Antenna

Ratio

Ratio ..........

.........

...... 30

Accessory

10.8 dBf

Mono; 17.3

Stereo; 39.2

75 ohms unbalanced

dBf

Mono;0.85pV

Stereo; 39.8

Mono; 75 dB

..

Stereo;

Mono;74d8

Stereo;

l k{z:O.2o/o

....,..

....... 1 kHz,O.2o/o

......1.0d8

................ 60

1 kHz;

Hz to 15 kHz:!

...........

. . . . .. 55 dB

...... 50 dB

19.2 dBf

....... 50

......

looP

AM

(1.9

sV)

(4.0

prV)

(50

pV)

lV 70 dB 66 dB

dB

ztO

dB

fr

70 dB

..

dB

80 (5

pV)

45pV

....

dB

... 25

40 dB

..70 dB

antenna

dB

MW Tuner Section

Sensitivity

lHF, external selectivity Signal-to-Noise lmage Response lF Response Antenna

Audio

(100%

FM

(30%

AM

antenna

Ratio

Ratio ..........

Section

MOD) .........

Miscellaneous

Requirements

Power Power Consumption Dimensions

Weight

(without

Furnished

FMT-typeAntenna AM Antenna Antenna Catcher

Connection Cord Operating

NOTE: Specifications notice.

package)

Parts

Pin Plugs

with

lnstructions

and design subject

....421

16-1/2

Accessory

........

(W)

x@.5(H)

(W)

x 2-3/4

possible

to

.... 30pV

... 25 dB

.. 70

antenna

(D)

(5

lb 5 oz)

without

dB

Hz

W

mm

in

1 1 1 1

....... 50

...... 40 dB

loop

AM

mV/3.5 ka

650 200 mV/3.5 ka

AC 220 V, 50, 60

........ 9.5

x226{D)

(H)

x 8-718

. ..... 2.4 kg

...............1

........................

...................

..................

............

modification

<

2.FRONT

PANEL FACILITIES

poweR

O

When this to geared

the

at

long Disconnect

the

rurueo

@

This indicates ed.

The

switch is

the tuner's main

to

selecting the

STAND-BY

power

the

as

the

unit is not in regular

indicator

r) e)

m

l3l;-*

(3) (4) (5) (6

ttt

ru^lEo

s'6+al 6rE+Eo

I r-=-f-T-] r

L

]L_::Jt

lffi#l

swtrcH

position.

cord is connected to

power

tNDlcAToR

that an FM

does not

(powER)

set to the

circuits.

transformer's

the

cord from the

use.

broadcast

light during

ON

The unit's

(TUNED)

]

9

position, power

secondary

unit's circuitry

the

power

AC

station

MW or LW reception.

is

oower switch is

and so even

will work as

power

outlet

is

being receiv-

tttl

FMMl,i,No

supplied

outlet.

when

FUN4noN

I

rurucnoN

@

Depress Depress Depress the

rneouENcY

@

This indicates MW and The top level The

center level figures

cies. The bottom level cies.

@

the FM the MW

LW switch

the frequency

LW).

figures

.I -t

l:trlrl rl

swtTcHES

switch for listening

for listening to

(FM,

scALE

of the

(88ru'108)

figures

indicate the

(55ru160)

(150-350)

indicate the

indicate

.L

MW or

to FM

broadcasts.

to

MW broadcasts.

LW broadcasts.

broadcast

station

FM frequencies.

MW frequen-

the LW frequen-

a;:-l

I o FlFi o I

t--l

LW)

(FM,

stcNAL tNDtcAToR

@

This indicates by the been tuned stronger

sreneo rNDtcAToR

@

This lights broadcast

It does not light set to the

mu MUTTNG

@

In the released suppresses the when tuning in

lf the station

noise

and distortion,

sound reproduction

This

switch does not

rulnnw/Lw

@

These indicate signals from the

rurutruc

@

Rotate

the

strength of the

broadcasting

in. The higher

the

automatically

in stereo.

OFF/MONO

picked

signals

when the FM

position

annoying interstation noise FM broadcasting

signals

results).

the band

broadcasting

KNoB

this

knob to

pick

station

position.

swtrcH

when

are weak and there is

depress this

work with MW

rNDtcAToRs

up the stations

(stcNAL

signals being transmitted

(FM,

MW or LW) which has

the lamp

(and

up

the

1.,31

which lights, the

better the reception).

(srEREo)

when an FM

MUTING switch has

(FM

it is normally

stations.

(FM,

MW

station are being received.

program

MUTTNG)

set, this switch

which is heard

great

a

switch

(and

and LW reception.

or LW) on which the

(FM,

MW or LW).

is being

been

deal of

monaural

oureuT

@

This is

r-wpe

@

This connected

This is

used reception.

nrta ANTENNA

@

(accessory)

This antenna should na

catcher is used

location.

NO7-E:

Even may be impossible cast weak-signal an external

to

used

FM

antenna

stations are too far

is for listening

to the rear

a spare

until an outdoor

an outdoor

is for listening

be connected

with the

accessory T-type FM

area such as in

antenna.

coRD

hook the

(accessory)

unit up with the

ANTENNA

to FM

panel

of the

antenna for listening

FM

antenna is erected. For the

antenna should

AND ANTENNA

to

MW and LW

to the rear

when fixing

to tune into some

away

panel

the antenna to

antenna

or when the unit is located

mountains.

the

stereo

amplifier.

(accessoryl

stations and it should

unit.

to FM

stations and

best

be obtained.

cATcHER

stations and it

of the

unit. The anten-

a wall or other

and AM antenna it

stations when

ln

the broad-

cases like this, use

be

in a

PARTS

3.

r

Front

panel

Front ANM-128

Panel

LOCATION

View

NO?ES: e

Parts

o

without

The safety designation. For ** *T

This classification number,

marh

I

factor

your

Parts

and *.

GENESALLY

temperature, humidity, e

part

number

found

of the

Stoch Control, the

shall

cannot be

on

some

part.

Therefore, when replacing,

MOVES

be

adjusted by each

component

fast

FAS'I:ER

tc.

supplied.

parts

moving items

THAN *.

distributor because

indicates

be

sure to use

are indicated

the importance

parts

of

with the

depends

it

on model

of the

identical

marhs

Push

knob A

AAD.417

Push

knob B

AAD-480

r

Front

**

Push

[

ASG-s16

Top View

power

AC

A

ADG.062

(POWERI

MUTING}

{FM

View with Panel

(POWE

switch

cord

Removed

**

Push

switch

ASG.251

Tuning AXA.350

(TUNINGI

Knob AAA-079

(FM

MUTING}

shaft

assembly

*

Po*",

A

Switch

Switch assembly B

4

transformer

ATT.881

assembly A

Tuner

GWE-181

Switch

assembly

C

BLOCK

4.

DIAGRAM

FM FRONT-END

POIVER

SUPPLY

FM

IF

AMP

A DETECTOR

IC

(PA300r-A

FM

MPX STEREO DEMODULATOR

)

-.o MUTTNG

DIAL POINTER

7t

O-

*oFF *

INDICATORS

I

CIRCUIT

5.

FM

Tuner

The FM

(2SK168)

single-stage

front

DESCRIPTIONS

end is

transistor mixer, and an

Clapp filters,

local

IF

The

a single transistor

IF

system IF limiter muting

FM

circuit.

Multiplex

oscillator.

consists of. 2 dual-element

stage

(PA300L-A)

IC

amplifier,

Stereo

FM

Decoder

The stereo decoder stage

(HA1156W-P),

IC (frequencies

-

18dB/oct.

sistor.

This active

above 19kHz) are removed

active

for frequencies

filter filter

within

while

its

crosstalk.

ON

OFF

Lfv

.ri"

comprized of

RF amplifier,

a

and

J-FET

NPN

NPN transistor modified

ceramic

amplifier element, and

which incorporates

detector, and the FM

employs an

the subcarrier

FM MPX

signals by an

an

and

PNP tran-

amplifier

eliminates

consisting of a

also serves as

passband,

Mw

the

FM

AM Tuner

The AM tuner is two wave-band

(150kHz-350kHz)

employs a 2-ganged tuning

This element ceramic consisting of amplifier,

Signal Strength

The TX-530L

an

RF

detector and

Indicator

signal

and

filter,

amplifier,

AGC

strength

MW

and

circuit.

LED display meter driven by the meter (rR2E01).

tuner with

LW

(525kHz-1605kH2).

capacitor,

an IC

mixer,

a single

(HA1138) 2-stage

IF

meter is a 3-point

drive IC

5

6. DIAL

1.

Remove the top cover.

2. Remove the

CORD STRINGING

tuning drum from tuning capacitor. Tie

3.

4.

5. Secure

6.

7. Wind

8.

one end

inside

the

tuning Rotate the rotor

the tuning capacitor

blades

the tuning drum back

capacitor

shaft, making screw faces Pass

the cord

the

circumference diagram), C in that

and then

sequence.

the cord

Pass

it over drum

2 times,

hook F

so that it is tensioned.

the cord

of

directly

out through the

around the tuning

pulley

and

the

shaft

to the

stud A located

drum.

right

around until

are fully intermeshed.

onto the

sure that the

upward.

small opening

of

the tuning

it

take

over

drum

pulleys

shaft 3 times.

D,

wind it around the

finally

tie it

to

of

tuning

securing

B

tuning

the

spring

the

in

(see

and

9. Turn the tuning moves

10.

Cut off any excess

11. Tum as

12.

Align the of the

13.

Check that the starting Finally

1"4.

securing and the dial

smoothly.

the tuning

will

go.

it

dial

scale, and then

point

apply the locking

positions

pointer

shaft, and

check that

cord.

shaft counter-clockwise

pointer

dial

of the dial

with the starting

pass

the cord

pointer

is in line

scale.

paint

(stud

A

and spring hook F)

connection.

the cord

far

as

point

over it.

with the

to the cord

-I

FM

AM

Star

I

Tuning

)-'---t

shaft

Tuning

drum

-

--