Onkyo Dx-c120 User manual

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ONKYO

SERVICE

MANUAL

©“

COMPACT

DISC

PLAYER

MODEL

DX-C120

MODEL

DX-C220

MODEL

DX-C320

BMD,

BMDN

|120V

AC,

60Hz

MP

230V

AC,

50Hz

only

DX-C220

|

120/220V

AC,

50/60Hz

SAFETY-RELATED

COMPONENT

WARNING!!

S

Pp

EC

|

F

|

C

AT

|

O

N

S

COMPONENTS

IDENTIFIED

BY

MARK

A

ON

Compact

Disc

Automatic

Changer

Model

DX-C320/C220/C120

THE

SCHEMATIC

DIAGRAM

AND

IN

THE

PARTS

Signal

readout

system:

Optical

non-contact

LIST

ARE

CRITICAL

FOR

RISK

OF

FIRE

AND

Reading

rotation:

About

500

-

200

r.p.m.

ELECTRIC

SHOCK.

REPLACE

THESE

COM-

| |

(constant

linear

velocity)

PONENTS

WITH

ONKYO

PARTS

WHOSE

PART

Error

correction

system:

Cross

interleave

Reed-Solomon

code

NUMBERS

APPEAR

AS

SHOWN

IN

THIS

MANUAL.

D/A

converter:

1

bit

PWM/ACCUPULSE

MAKE

LEAKAGE-CURRENT

OR

RESISTANCE

Sampling

frequency:

352.8

kHz

(8

times

oversampling)

MEASUREMENTS

TO

DETERMINE

THAT

Number

of

channels:

2

(stereo)

EXPOSED

PARTS

ARE

ACCEPTABLY

IN-

Frequency

response:

=

2Hz

-

20kHz

SULATED

FROM

THE

SUPPLY

CIRCUIT

BEFORE

Total

harmonic

distortion:

0.004%

(at

1kHz)

RETURNING

THE

APPLIANCE

TO

THE

Dynamic

range:

=

6d

CUSTOMER.

Signal

to

noise

ratio:

96dB

Channel

separation:

90dB

(at

1kHz)

Wow

and

Flutter:

Below

threshold

of

measurability

Output

level:

2

volts

r.m.s.

Power

consumption:

13

watts

Power

supply

rating:

European

and

Australian

models:

AC

230V,

50Hz

USA

and

Canadian

models:

AC

120V,

60Hz

Worldwide

model:

AC

120V

and

220V

Dimensions

(W

x

Hx

D):

455

x

120

x

425

mm

(17-15/16"

x

4-3/4"

x

16-11/16")

Weight:

7.4

kg

(16.3

lbs)

ONKYO.

AUDIO

COMPONENTS

Specifications

and

external

appearance

are

subject

to

change

1

without

notice

because

of

product

improvements.

b)

Son

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0)

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TABLE

OF

CONTENTS

Specifications

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Service

procedures

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Caution

on

replacement

of

optical

pickup..............

Protection

of

eyes

from

laser

beam.....................

Laser

warning

labels

................ccccccec

ce

nse

ee

eeueeeees

IC

block

diagrams

and

descriptions

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

Packing

VIEW.........

ccc

ecnceseeeceeecececcecceuereeneeeneues

Pick-up

drive

unit

......c..

ccc

cece

ccc

ceecsseeeeseesenneees

Chassis-exploded

View...........cccccsccceeeeccecceuueeeeuves

Parts

List...

ccc

cceceenceseeseeevsseeessseceunuerecnees

Block

diagram............cccc

ccc

c

ccc

seecacueevccceeseesuseeeees

Adjustment

procedures

.........cccccccsesececsseuvacecvseess

Printed

circuit

board

view

from

bottom

side.........

Printed

circuit

board-parts

list............cccccseeeeee

eee

Control

position

and

names

..........cccccece

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eeneee

ences

SERVICE

PROCEDURES

]

1.

Safety-check

out

2

After

correcting

the

original

service

problem,perform

2

the

following

safety

check

before

releasing

the

set

3

to

the

customer:

3

Connect

the

insulating-resistance

tester

between

the

4

plug

of

power

supply

cord

and

chassis.

9

Specifications:More

than

10Mohm

at

500V.

.

Voltage

Selector

(Back

panel)

Worldwide

models

are

equipped

with

a

voltage

selector

to

conform

with

local

power

supplies.Be

sure

to

set

this

switch

to

match

the

voltage

of

the

power

supply

in

user's

area

before

turning

the

power

switch

on.

Voltage

is

changed

by

sliding

the

groove

in

the

switch

with

a

screw

driver

to

the

right

or

left.

Confirm

that

the

switch

has

been

moved

all

the

way

to

the

right

or

left

before

turning

the

power

switch

on.

220V

~

120V

~

at

AC220V

220V

~~

120V

~

at

AC120V

CAUTION

ON

REPLACEMENT

OF

OPTICAL

PICK

UP

The

laser

diode

in

the

optical

pickup

block

is

so

sensitive

to

static

electricity

surge

current

and

etc,

that

the

components

are

liable

to

be

broken

down

or

its

reliability

remarkably

deteriorated.

PRECAUTIONS

1.Ground

for

the

work-desk.

Place

a

conductive

sheet

such

as

a

sheet

of

copper

(with

inpedance

lower

than

10M2Q)

on

the

work-

desk

and

place

the

set

on

the

conductive

sheet

so

that

the

chassis.

2.Grounding

for

the

test

equipment

and

tools.

Test

equipments

and

toolings

should

be

grounded

in

order

that

their

ground

level

is

the

same

the

ground

of

the

power

source.

During

repair,carefulley

take

the

following

precautions.

(The

following

precautions

are

included

in

the

service

parts.)

3.Grounding

for

the

human

body.

Be

sure

to

put

on

a

wnist-strap

for

grounding

whose

other

end

is

grounded.

Be

particularly

careful

when

the

workers

wear

synthetic

fiber

clothes,

or

air

is

dry.

4.Select

a

soldering

iron

that

permits

no

leakage

and

have

the

tip

of

the

iron

well-grounded.

5.Do

not

check

the

laser

diode

terminals

with

the

.

probe

of

a

circuit

tester

or

oscilloscope.

b)

Con

b-10740)

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evyi07

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ye)

PROTECTION

OF

EYES

FROM

LASER

BEAM

DURING

SERVICING

This

set

employs

a

laser.

Therefore,

be

sure

to

follow

Laser

Diode

Properties

carefully

the

instructions

below

when

servicing.

@

Material:

GaAlAs

@

Wavelength:

760~800nm

WARNING?!

@

Emission

Duration:

continuous

WHEN

SERVICING,

DO

NOT

APPROACH

THE

LASER

@

Laser

output:

max.

0.5mW*

EXIT

WITH

THE

EYE

TOO

CLOSELY.

IN

CASE

IT

[IS

NECESSARY

TO

CONFIRM

LASER

BEAM

EMMISION,

BE

SURE

TO

OBSERVE

FROM

A

DISTANCE

OF

MORE

THAN

30cm

FROM

THE

SURFACE

OF

THE

OBJECTIVE

LENS

ON

THE

OPTICAL

PICK-UP

BLOCK.

LASER

WARNING

LABEL

These

labels

are

located

on

the

mechanism.

*This

output

is

the

value

measured

at

a

distance

about

1.8mm

from

the

objective

lens

surface

on

the

Optical

Pick-up

Block.

DANG

ER

-

—INVISIBLE

LASER

RADIATION

WHEN

OPEN

AND

INTERLOCK

FAILED

OR

DEFEATED.

AVOID

DIRECT

EXPOSURE

TO

BEAM.

HAZARDOUS

LASER

AND

VARNING

OSYNLIG

LASERSTRALNING

NAR

DENNA

DEL

AR

OPPNAD

OCH

SPARREN

AR

URKOPPLAD.

BETRAKTA

EJ

STRALEN.

UTION

—

LECTROMAGNETIC

RADIATION

WHEN

OPEN

AND

INTERLOCK

DEFEATED.

ATTENTION

—ravonnement

Laser

ET

ELECTROMAGNE

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DANGEREUX

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PARTS

LIST

REF.NO.

PART

NO.

201

82115018

202

27270357

206

29052854Y

29058255

Y

29052856Y

207

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48)

COCy16)

DESCRIPTION

5P+18FN,

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NO.

DESCRIPTION

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2010098A

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PART

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24802014

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82112003

24840099

24840075A

24840074

24818012

24802016

24828012

24820026

24609072Y

DESCRIPTION

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PRINTED

CIRCUIT

BOARD

—

PARTS

LIST

Main

circuit

pe

board

(NAAR-4920)

CIRCUIT

NO.

PART

NO.

Q201

Q202

Q203

Q301

Q401

Q402

Q403

Q404

Q701

Q951

Q405-Q408

Q702

Q703,

Q704

Q901

Q952

Q953

Q957

D201

D202

D701

D702

D703

D704

D906

D951

D952

X301

X302

X701

C201

C202

ICs

22240487

or

22240487A

22240239

22240771

22240726

22240191

2224019)

22240191

22240812

22240534

Transistors

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or

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221281

2212600

2211503

or

2211504

2211706

or

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2202706

or

2202115

2211255

Diodes

223205

or

223163

224450562

223205

or

223163

224450562

223205

or

223163

224450562

224452204

224450753

223205

or

223163

Crystals

3010159

3010230

3010229

Capacitors

374721524

374724734

DESCRIPTION

CXD2500AQ

or

CXD2500BQ

TA7291S

BA6191

SM5872CN

NJM4565D-D

uPD78043AGF-017-3B9

LA5601

2SD655-F

or

2SD655-E

DTCI14YS

DTA124ES

2SA950-0O

or

2SA950-Y

2SD655-F

or

2SD655-E

28D2394-F

or

2SD2061-E

2SC1815-GR

1$S270A

or

188133

MTZ5.6B,

Zener

18S8270A

or

188133

MTZ5.6B,

Zener

1SS270A

or

188133

MTZ5.6B,

Zener

MTZ22D,

Zener

MTZ7.5C,

Zener

18S$270A

or

18$133

AT-38-169,

Crystal,

DX-C211/C311

CST

16.93MX

W040,

Cera

lock,

DX-C111

EFOEC4004A4,

Cera

lock

1500pF+5%,

SOV,

Plastic

0.047UF+5%,

50V,

Plastic

CIRCUIT

NO.

C203

C205

C206

C207-C210

C303,

C305,

C307

C308

C309

C310,

C407,

C408

C409, C410,

C413,

C414

C415,

C416

C419

C420

C431-C434

C439,

C440

C701

C703

C707

C708,

C709

C714

C903,

C904

C924,

C925

C953

C954

C955

C956

C957

C958

C960

C961

C962

C963,

C964

C966

C967

R903

PIOIA

P702A

P401

P701

—

23

—

PART

NO.

354721019

374721034

354781099

354744709

354722219

374721044

354722219

374721044

374721824

374724724

354781009

354744709

354744719

354721019

354762209

374721024

374722734

354780109

354764709

374721044

354742219

374721044

374722244

354724719

374721044

374722244

354780109

354721029

374721044

374722734

354722219

354744709

354781009

354742219

Resistors

452530184F

Sockets

25050895

25051227

Terminals

25045408

25045330

1b)

Cea

40710)

C

ovy107

40)

Cex

y40)

DESCRIPTION

100pF,

6.3V,

Elect.

0.01pF+5%,

5O0V,

Plastic

0.1pF,

50V,

Elect.

47

F,16V,

Elect.

220UF,

6.3V,

Elect.

0.01L.F+5%,

SOV,

Plastic

220uF,

6.3V,

Elect.

0.01pFt5%,

SOV,

Plastic

1800pF+5%,

S50V,

Plastic

4700pF+5%,

SOV,

Plastic

10uUF,

SOV,

Elect.

50V,

LOuUF,

Elect.

47uF,

16V,

Elect.

470uF,

16V,

Elect.

100UF,

6.3V,

Elect.

22uF,

35V,

Elect.

1000pF45%,

50V,

Plastic

0.027

UF+5%,

SOV,

Plastic

LF,

50V,

Elect.

A47uF,

35V,

Elect.

0.01pF+5%,

50V,

Plastic

220uF,

16V,

Elect.

0.01pLF+5%,

SOV,

Plastic

0.22nF£5%,

SOV,

Plastic

470pF,

6.3V,

Elect.

0.01F+5%,

SOV,

Plastic

0.22nF+5%,

SOV,

Plastic

1pF,

50V,

Elect.

1000yuF,

6.3V,

Elect.

0.01pF£5%,

S0V,

Plastic

0.027

F£5%,

SOV,

Plastic

220pUF,

6.3V,

Elect.

47uF,

16V,

Elect.

10uF,

SOV,

Elect.

220uF,

16V,

Elect.

1.8ohms,

1/2W,

Metal

oxide

NSCT-31P690,

Socket

NSCT-34P

1017,

Socket

NPJ-2PDBL233,

Line

out

NPJ-2PDBL184,

RI

b)

Gon

10740)

Cl

ovley1

0)

exy20)

Display

circuit

pc

board

(NADIS-4921)

Power

supply

pc

board

(NAPS-4922)

CIRCUIT

NO.

PARTNO.

DESCRIPTION

CIRCUIT

NO.

PART

NO.

DESCRIPTION

Q705

212132

5-ST-19GK,

FL

TUBE

Diode

Q706

24130010

HC-312,

Remote

sensor,

DX-C211/C311

D901-D905

22380032

1SR139-100

Diode

Coil

D707

2244505

12

MTZ5.1B,

Zener

L901

231222

NCH-3454

Capacitor

Capacitors

C710

355721019

100pF,

6.3V,

Elect.,

DX-C211/C311

C902

354784709

47uF,

SOV,

Elect.

Switches,

Terminals,

Sockets

C906

393142227

2200pF,

16V,

Elect.,

DX-C111/C211

$701,S702

25035652

NPS-111-8604,

Push

SW.,

DX-C311

393344727

4700LF,

16V,

Elect.,

DX-C311

$703-S705

25035652

NPS-111-S604,

Push

SW.

C907

393142227

2200uF,

16V,

Elect.

$706,8707

25035652

NPS-111-$604,

Push

SW.,

DX-C311

C909

3500077

DE7i50F,

472M,

IS

S708-S710

25035652

NPS-111-S604,

Push

SW.

C922

374722734

0.027

LF,

SOV,

Plastic,

DX-C311

$711,8712

25035652

NPS-111-S604,

Push

SW.,

DX-C311

Plug

$713-S715

25035652

NPS-111-S604,

Push

SW.

Z\

P9OLA

25055676

NPLG-2P632,

FOR

AC

CORD

$716,8717

25035652

NPS-111-S604,

Push

SW.,

DX-C311

Others

$718-S720

25035652

NPS-111-S604,

Push

SW.

25050065Y

§YSH403T,

Fuse

holder,

<P,W>,

DX-C211/C311

$721-$723

25035652

NPS-111-S604,

Push

SW.,

DX-C311

A

$901

25065437Y

=

NSS-22157P,

Slide

SW.,

<W>,

DX-C211/C31]

$724-S725

25035652

NPS-111-S604,

Push

SW.

$726,8728

25035652

NPS-111-S604,

Push

SW.,

DX-C311

Power

switch

pc

board

(NASW-4923)

$729, $730,

25035652

NPS-111-S604,

Push

SW.

CIRCUIT

NO.

PARTNO.

DESCRIPTION

$734, S735,

A

$75}

25035481

NPS-122-L443,

Push

SW.

$739,

$740

Socket

RF/SERVO

pc

board

P703A

2505

1227

NSCT-34P1017,

Socket

CIRCUIT

NO.

PARTNO.

DESCRIPTION

{C101

22240394

CXA1372Q,

IC

IC102

22240551

LA6532M,

IC

Q101

2214290

DTC144EF,

Transistor

$101

25065446

NLF/?

1022,

Leaf

SW.

:

THE

COMPONENTS

IDENTIFIED

BY

MARK

/\

ARE

CRITICAL

FOR

RISK

OF

FIRE

AND

ELECTRIC

SHOCK.

REPLACE

ONLY

WITH

PART

NUMBER

SPECIFIED.

—

24

~

Onkyo DX-C120 User manual

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