Onkyo DX-7310 Manuel utilisateur

DX-7310

Ref.

No.

OM3507

ONKYO.

SERVICE

MANUAL

COMPACT

DISC

PLAYER

MODEL

DX-7310

Biack

model

230V

AC,

50Hz

120/220V

AC,

50/60Hz

SAFETY-RELATED

COMPONENT

WARNING!!

SPECIFICATIONS

COMPONENTS

IDENTIFIED

MARK

THE

Compact

Disc

Player

Model

DX-7310

SCHEMATIC

DIAGRAM

AND

THE

PARTS

LIST

ARE

Signal

readout

system:

Optical

non-contact

CRITICAL

FOR

RISK

FIRE

AND

ELECTRIC

SHOCK.

Reading

rotation:

About

500

200

r.p.m.

REPLACE

THESE

COMPONENTS

WITH

ONKYO

PARTS

(constant

linear

velocity)

WHOSE

PARTS

NUMBERS

APPEAR

SHOWN

THIS

bem

Leh

mis

MANUAL

Error

correction

system:

Cross

Interleave

Reed-Solomon

code

D/A

converter:

bit

PWM

ACCUPULSE

CONVERTER

MAKE

LEAKAGE-CURRENT

RESISTANCE

MEA-

Sampling

frequency:

352.8

kHz

(Eight-times

SUREMENTS

DETERMINE

THAT

EXPOSED

PARTS

oversampling)

ARE

ACCEPTABLY

INSULATED

FROM

THE

SUPPLY

Number

channels:

(stereo)

CIRCUIT

BEFORE

RETURNING

THE

APPLIANCE

Frequency

response:

kHz

THE

CUSTOMER.

Total

harmonic

distortion:

0.004

(at

kHz)

Dynamic

range:

Signal

noise

ratio:

100

Channel

separation:

(at

kHz)

Wow

and

Flutter:

Below

threshold

measurabi

hity

Output

level:

volts

r.m.s.

Headphone

jack:

Optimum

load

impedance

200

ohms

Power

consumption:

watts

Power

supply

rating:

European

and

Australian

mdels:

230

USA

and

Canadian

models:

120

Worldwide

model:

120

and

220\

switchable,

50/60

Dimensions

D):

455

120

308

(17-15/16"

4-3/4"

12-1/""

)

Weight:

4.8

kg,

10.6

lbs.

ONKYO

AUDIO

COMPONENTS

_1—

Specifications

and

external

appearance

are

subject

chgige

without

notice

because

product

improvements.

acu

TABLE

CONTENTS

Specifications

Service

procedures

Caution

replacement

optical

pickup

Protection

eyes

from

laser

beem

during

servicing:

Laser

warming

labels

Exploded

view

Parts

list:

Mechanism

exploded

view

Drive

unit

exploded

view:

Parts

list

. °

eo.

Microprocessor

connection

diagram

Microprocessor

terminal

description

block

diagram

and

description:

- + *

:°10~

Dissembling

procedure

ee ee

Schematic

diagram

mechanism

block

Block

diagram

Adjustment

procedure

-17,18

Printed

circuit

board

view

frm

bottom

side

19,20

Schematic

diagram

21.22

Printed

circuit

board

parts

list

23,24

e °

Packing

view

SERVICE

PROCEDURES

Safety-check

out

After

correcting

the

original

service

problem,perform

the

following

safety

check

before

releasing

the

set

the

customer:

Connect

the

insulating-resistance

tester

between

the

plug

power

supply

cord

and

chassis.

Specifications:More

than

10Mohm

500V.

Voltage

Selector

(Back

panel)

Worldwide

models

are

equipped

with

voltage

selector

conform

with

local

power

supplies.Be

sure

set

this

switch

match

the

voltage

the

power

supply

user's

area

before

turning

the

power

switch

on.

Voltage

changed

sliding

the

groove

the

switch

with

screw

driver

the

right

left.

Confirm

that

the

switch

has

been

moved

all

the

way

the

right

left

before

turning

the

power

switch

on.

220V

120V

220V

120V

AC120V

AC220V

CAUTION

REPLACEMENT

OPTICAL

PICKUP

The

laser

diode

the

optical

pickup

block

During

repair,carefulley

take

the

following

precautions.

sensitive

static

électricity,surge

current

andetc,

(The

following

precautions

are

included

the

service

that

the

components

are

liable

broken

down

parts.)

its

reliability

remarkably

deteriorated.

PRECAUTIONS

1.Ground

for

the

work-desk.

3.Grounding

for

the

human

body.

Place

conductive

sheet

such

sheet

copper

sure

put

wrist-strap

for

grounding

whose

(with

inpedance

lower

than

1OM1Q.)

the

work-

other

end

grounded.

desk

and

place

the

set

the

conductive

sheet

particularly

careful

when

the

workers

wear

that

the

chassis.

synthetic

fiber

clothes,

air

dry.

2.Grounding

for

the

test

equipment

and

tools.

4.Select

soldering

iron

that

permits

leakage

and

Test

equipments

and

toolings

should

grounded

have

the

iron

well-grounded.

order

that

their

ground

level

the

same

the

5.Do

not

check

the

laser

diode

terminals

with

the

ground

the

power

source.

probe

circuit

tester

oscilloscope.

DX-7310

PROTECTION

EYES

FROM

LASER

BEAM

DURING

SERVICING

This

set

employs

laser.

Therefore,

sure

carefully

the

instructions

below

when

servicing.

WARNING!!

WHEN

SERVICING,

NOT

APPROACH

THE

LASER

EXIT

WITH

THE

EYE

TOO

CLOSELY.

CASE

NECESSARY

CONFIRM

LASER

BEAM

EMMISION,

SURE

OBSERVE

FROM

DISTANCE

THAN

30cm

FROM

THE

SURFACE

THE

OBJECTIVE

LENS

THE

OPTICAL

PICK-UP

BLOCK.

LASER

WARNING

LABEL

These

labels

are

located

the

mechanism.

GER

NVISIBLE

LASER

RADIATION

AND

INTERLOCK

FAILED

DIRECT

EXPOSURE

BEAM.

esata

AZARDOUS

LASER

AND

MROMAGNETIC

RADIATION

WHEN

OPEN

INTERLOCK

DEFEATED.

aller

NEMENT

LASER

MERT

AVEC

L’ECLENCHEMENT

SECURITE

“CLASS

LASER

PRODUCT”

Laser

Diode

Properties

Material:

GaAlAs

Wavelength:

760~800nm

Emission

Duration:

continuous

Laser

output:

max.

0.5mW*

*This

output

the

value

measured

distance

about

1.8mm

from

the

objective

lens

surface

the

Optical

Pick-up

Block.

VARO!

AVATTAESSA

SUOJALUKITUS

OHITETTAESSA

OLET

ALTTINA

NAKYMATTOMALLE

LASERSATEILYLLE.

ALA

KATSO

SATEESEEN.

ADVARSEL

USYNLIG

LASERSTRALING

NAR

DEKSEL

APNES

SIKKERHEDSLAS

BRYTES.

seein

DX-7310

'°

Yin

_Z_\

EXPLODED

VIEW

PARTS

LIST

REF

NO.

PART

NO.

27110776AY

28191662Y

27100227DY

27122031Y

27122132Y

27122101Y

27190928A

27300750

82143006

838130088

831130088

833430080

831430100

830440109

834430108

28184479AY

838430088

27211689Y

28135199Y

8910301

28125248-6Y

28125249-6Y

28324845BY

28324140Y

28148304

27175292Y

838130088

833430080

2047221012Y

DESCRIPTION

Front

bracket

ass'y

Clear

plate

Chasis

Rear

panel<P>

Rear

panel<W>

Rear

panel<T>

Holder

Bushing

3P+6FN(BC)Pan

head

screw

3TTW+8B

Self-tapping

screw

3TTW+8B

Self-tapping

screw

3TTP+8P(BC)

Self-tapping

screw

3TTW+10P(BC)

Self-tapping

screw

4TTC+10P(BC)

Self-tapping

screw

3TTS+10B(BC)

Self-tapping

screw

Top

cover

3TTB+8B(BC)

Self-tapping

screw

Front

Panel

BADGE

Ring

End

cap

End

cap

Knob,

level

Knob,power

Door

Leg

3TTB+8B

Self-tapping

screw

3TTP+8B(BC)

Self-tapping

screw

Flat

Cable

REF

NO.

PART

NO.

L901

230915

P901

293175

T901

2300988B

2300990B

1H260522-1Y

1H260523-1Y

1H260524-1Y

1H260525-1Y

1H260526-1Y

1H260527-1Y

1H260522-1AY

1H260528-1Y

24800009C

<P>:230V

model

only

<W>:World

wide

model

only

<T>:Taiwanese

model

only

DESCRIPTION

RBD25HA-00,Core

AS-CEE,

CORD

NPT-1199P,

Power

Transformer<P>

NPT-1199DG,

Power

Transformer,

<W>

NAAR-5222-1,Main

circuit

board

ass'y

NADIS-5223-1,Display

circuit

board

ass'y

NAAF-5224-1,Headphone

amplifier

board

ass'y

NAAF-5225-1,Headphone

terminal

board

ass'y

NAPS-5226-1,Power

switch

board

ass'y

NAPS-5227-1,Power

transformer

board

ass'y<P>

NAPS-5227-1A,Power

transformer

board

ass'y,

<W>

NASW-5228-1,

Voltage

selector

switch

board

ass'y,

<W>

NCD-130S,CD

Mechanism

ass'y

THE

COMPONENTS

IDENTIFIED

MARK

A\,

ARE

CRITICAL

FOR

RISK

FIRE

AND

ELECTRIC

SHOCK.

REPLACE

ONLY

WITH

PART

NUMBER

SPECIFIED.

-DX-7310

MECHANISM-EXPLODED

VIEW

PARTS

LIST

PART

NO.

REF.NO.

OPI

auUsb

ouwunmnrn

WwW

24840060

24822014

248

10020

24840061

24830003

24832004

24836013

248

10024

24802012

24820023

24840062

24840075

24802013

248

10021

24840063

DESCRIPTION

Tray

Stopper

Gear

cover

Tray

gear

Chucking

plate

2.6TTW+7B,Sclf-tapping

screw

Chucking

yoke

Magnet

Damper

Chucking

Sub

chassis

Spring

Screw

with

washer

KSM-2401,Pickup

drive

unit

servo

board

ass'y

Main

chassis

2.6TTW-+16B,Self-tapping

screw

Drive

gear

Control

cam

REF.NO.

PART

NO.

101

102

103

104

105

106

107

108

109

110

il4

24840064

25055369

24840066

24840067

24810022

248

10025

24816008

24828006

24836014

24840068

24822015

24820024

24824003

24110011

248

10023

24802014

24804012

82112003

DESCRIPTION

Leafswitch

NPLG-5P352,Plug

motor

pce

board

motor

Middle

gear

Belt

2.6B+2.5F

Screw

Sled

shaft

Insulator

5,Special

screw

Plate

Spring

Center

ring

KSS-240A,Optical

pickup

Wheel

Chassis

Motor

gear

ass'y

2P+3FN,Pan

head

screw

DRIVE

UNIT

10]

REMOVEMENT

TRAY

ASS’Y

Remove

the

top

cover.

Turn

the

locked

screw

the

clockwise

release

the

lock

gear.(Refer

fig.

Pull out

the

tray

ass'y.

Remove

the

stopper.(Refer

fig.2)

Press

the

tray

stopper

the

arrow

mark

direction

and

remove

the

tray

ass'y.

Stopper

Front

Panel

ala

Tray

stopper

Clear

Plate

stopper

Tray

Chassis

DX-7310

MICROPROCESSOR

CONNECTION

DIAGRAM

CXP50116-527

(Microprocessor)

™

io)

—

w|ul>|si>l2

Xly|

>|]

Slo]

El]

Ble

Lolols|

mia

3/3171

Ot+]

ppafarafafafa

Q702

REMOTE

CONTROL

SENSOR

BUFFER

IN/OUT

8-BT-l25GK

TUBE

Leet

f>i>

ele

gaa]

DISP

REP

EDIT

ook

OPCL

PSE

STP

PLY

ook

Ook

oof

DWN

MEM

ADI

CLR

SHT

wneExT

—

okt

ok:

DX-7310

Symbol

Description

ee)

DFTSW

Connect

pickup

block.

2~4

Al~A3

Not

used.(Open

tube

segment

output.

tube

grid

output.

Synchronizing

signal

detection

sub

code

frame.

Not

used.(Open

21~28

1G~

SCOR

Reset

input

terminal.

Reset

the

low

level.

35~41

ADO~AD6

input

terminal.

Connect

the

operation

key.

[KO [OO

[ho

oa)

Chip

enable

terminal.

DATA

Serial

data

output

command

signal

processor

IC.

Serial

data

input

sub

code

from

signal

processor

IC.

SQCK

Serial

transfer

clock

sub

code

signal

processor

IC.

Serial

transfer

clock

command

signal

processor

IC.

Serial

transfer

latch

signal

processor

IC.

Muting

ON/OFF

control

output

terminal.

the

high

level.

Tray

open/close

control

output.

OPEN

[AH

TNH

Tray

open/close

control

output.

Not

used.(Open

Not

used.(Open

Sense

input

from

signal

processor.

ENS

INSW

OUTSW

Tray

open

operation

completion

signal.

NRSCO

NRSCI

Focus

input.

Tray

operation

completion

signal.

Inhibiting

signal

processor.

NRSC

output.

NRSC

input.

Remote

control

signal

input

terminal.

63~70

DO~

Not

used.(Open

Ground

terminal.

XTAL

System

clock

output

terminal.

C4M

System

clock

input

terminal.

fin

[ny

joo

Negative

power

supply

terminal

for

tube.

Optical

pickup

control

output

terminal.

the

low

level.

Not

used.(Open

Not

used.(Open

Not

used.(Open)

ora)

y°)

Ke)

DX-7310

CXD2500BQ

(Digital

Signal

Processor)

©)

SYNC.

PROTECTOR

—~10—

PRIORITY

ENCODER

AUTO

SEQUENCER

PROCESSOR

yDAO!~i6

MUTE

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