Onkyo CR-185 Manual de usuario

ONKYO.

SERVICE

MANUAL

COMPACT

DISC

RECEIVER

MODEL

CR-185

Black

and

Silver

models

|

UP

|

_230V_

AC,

50Hz

SAFETY-RELATED

COMPONENT

WARNING!!

TABLE

OF

CONTENTS

COMPONENTS

IDENTIFIED

BY

MARK

A\

ON

THE

Spemibcatiomn

elo

ei

eee

eal:

2

SCHEMATIC

DIAGRAM

AND

IN

THE

PARTS

LIST

ARE

CRITICAL

FOR

RISK

OF

FIRE

AND

ELECTRIC

SHOCK.

REPLACE

THESE

COMPONENTS

WITH

ONKYO

PARTS

;

WHOSE

PARTS

NUMBERS

APPEAR

AS

SHOWN

IN

THIS

Laser

waming

Dae

IS

oi

ss

csi

sscsseccts

echscesv

dacs

casdenvetidscdssevstecesacesss

MANUAL.

Microprocessor-connection

diagram....

ive

Caution

on

replacement

of

optical

pickup.

Protection

of

eyes

from

laser

Deam.........s.csssssssssesssosesenseerese

MAKE

LEAKAGE-CURRENT

OR

RESISTANCE

MEA-

SUREMENTS

TO

DETERMINE

THAT

EXPOSED

PARTS

ARE

ACCEPTABLY

INSULATED

FROM

THE

SUPPLY

CIRCUIT

BEFORE

RETURNING

THE

APPLIANCE

TO

THE

CUSTOMER.

Exploded

view

CD

adjustment

procedures

Tuner

adjustment

procedures..........s.csssssscscsssccssssosorsecnesnceseess

21

Service

procedures.

Pc

board

view from

soldering

side.

Schematic

diagram..............-sssscscsssccssssssssssecsesscnssacnceecesseceeeses

Pc

board

view

from

soldering

side.

F

Printed

circuit

board-parts

list............sescessccoressssesssseeneneseesees

Schematic

diagram

(Mechanism)............sccsssssssesseccocssnsseeees

34

N

K

Gr

Block

diagrams.

dei

aes

AUDIO

COMPONENTS

Packing

VieW..iccccesiscccccssteasescisscensasuouncceseusscstessseseanseues

stseeesees

CR-185

SPECIFICATIONS

AMP

SECTION

Power

Output:

Dynamic

Power:

Total

Harmonic

Distortion:

IM

Distortion:

Damping

Factor:

Sensitivity

and

Impedance:

Frequency

Response:

Tone

Control:

Single

to

Noise

Ratio:

Muting

General

Power

supply:

Dimensions:

Weight:

2

x

20

Watts

at

4

ohms

|

kHz

DIN

2x

17

Watts

at

6

ohms

1

kHz

DIN

2

x

15

Watts

at

8

ohms

1

kHz

DIN

2x

15

Watts

min

RMS

at

8

ohms

|

kHz

no

more

than

0.2

%

THD

2

x

24

Watts

at

4

ohms

2

x

18

Watts

at

8

ohms

0.2

%

at

Rated

Power

0.2

%

at

Rated

Power

40

at

8

ohms

TAPE

/

MD

PLAY

:

150

mV,

50

kohms

10

to

50,000

Hz

:

+0

/-3dB

Super

BASS

:

+

13

dB

at

55

Hz

BASS

:

+

10

dB

at

100

Hz

TREBLE

:

+

10

dB

at

10,000

Hz

TAPE

:

100

dB

(THF

A)

—co

dB

AC

230

volts,

50

Hz

185Wx

131Hx

329Dmm

(7-5/16"

x

5-3/16"

x

12-15/16")

4.0

kg

(8.8

Ibs)

Specifications

and

features

are

subject

to

change

without

notice.

FM

Tuner

section

Tuning

Range:

Usable

Sensitivity:

50

dB

Quieting:

Sensivity:

Capture

Ratio:

Image

Rejection

Ratio:

IF

Rejection

Ratio:

Signal

—

to

—

Noise:

Ratio

Selectivity:

Harmonic

Distortion:

Frequency

Response:

Stereo

Separation:

Stereo

Threshold:

CD

SECTION

Signal

readout

system:

Reading

rotation:

Linear

velocity:

Error

correction

system:

D/A

converter:

Digital

filter:

Number

of

channels:

Frequency

response:

87.50

to

108,00

MHz

(50

kHz

steps)

Mono

12.8

dBf,

1.2

pV

(75

ohms

IHF)

1.0

pV

(75

ohms

DIN)

Stereo

18.8

dBf,

2.2

pV

(75

ohms

IHF)

25.0

pV

(75

ohms

DIN)

Mono

18.8

dBf,

2.4

nV

(75

ohms)

Stereo

38.8

dBf,

24.0

pV

(75

ohms)

2.0

dB

85

dB

90

dB

Mono

73

dB,

IHF

Stereo

67

dB,

THF

50

dB

DIN

(+

/-

300

kHz

at

40

kHz

Devi.)

Mono

1.0

%

Stereo

1.5

%

30

to

15,000

Hz

(+/-

1.5

dB)

35

dB

at

1.000

Hz

25

dB

at

100

to

10,000

Hz

17.2

dBf,

2.0

pV

(75

ohms)

Optical

non-contact

About

500

—

200

r.p.m.

(constant

linear

velocity)

1.2-14m/s

Cross

Interleave

Read

Solomon

code

1

bit

352.8

kHz

8

times

over

sampling

2

(stereo)

5

Hz

-

20

kHz

CAUTION

ON

REPLACEMENT

OF

OPTICAL

PICKUP

During

repair,carefulley

take

the

following

precautions.

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

10M)

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.

(The

following

precautions

are

included

in

the

service

parts.)

,

3.Grounding

for

the

human

body.

Be

sure

to

put

on

a

wrist-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.

CR-185

PROTECTION

OF

EYES

FROM

LASER

BEAM

DURING

SERVICING

This

set

employs

a

laser.

Therefore,

be

sure

to

follow

carefully

the

instructions

below

when

servicing.

WARNING!!

WHEN

SERVICING,

DO

NOT

APPROACH

THE

LASER

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

LABELS

The

label!

shown

below

are

affixed.

1.

Warning

lable

This

label

is

located

on

the

chassis.

-

DANGER

INVISIBLE

LASER

RADIATION

WHEN

OPEN

AND

INTERLOCK

OR

TEE

Ae

REC

EXPOSURE

10

BEAM,

CAUTION

—sazaroous

Laser

AND

PLECTROMAGNETIC

RADIATION

WHEN

OPEN

AND

INTERLOCK

DEFEATED.

ENTION

_RAVONNEMENT

LASER

ET

ELECTROMAGNE

HQUE

DANGE

QUVERT

AVEC

L

ECLENCHEMENT

DE

SeCURITE

VARNING

OSYNLIG

LASERSTRALNING

NAR

DENNA

DEL

AR

OPPNAD

OCH

SPARREN

AR

URKOPPLAD.

BETRAKTA

EJ

STRALEN.

VARO!

ANATTAESSA

JA

SUOJALUKITUS

OHITETTAESSA

OLET

ALTTUNA

NAKYMATTOMALLE

LASERSATEILYLLE.

ALA

KATSO

SATEESEEN.

ADVARSEL:

USYNUG

LASERSTRALING

VED

ABNING,

NAR

SIKKERHEDSAF-

BRYDER

ER

UDE

AF

FUNKTION.

UNDGA

UDS/ETTELSE

FOR

STRALING.

®

:

Danger

label

©

:

Only

230V

model

ADVARSEL

{USYNLIG

LASERSTRALING

NAR

DEKSEL

APNES

OG

SIKKERHEDSLAS

BRYTES.

UNNGA

EKSPONERING

FOR

STRALEN.

Laser

Diode

Properties

@

Material:

GaAlAs

@

Wavelength:

760

~

800

nm

@

Emission

Duration:

continuous

@

Laser

output:

max.

0.5mW*

*This

output

is

the

value

measured

at

a

distance

about

1.8mm

from

the

objective

lens

surface

on

the

Optical

Pick-up

Block.

2.

Class

I

label

This

label

is

located

on

the

left

side

of

top

cover.

LUOKAN

1

“CLASS

1

LASER

LASERLAITE

PRODUCT”

KLASS

1

LASER

APPARAT

ADVARSEL

Denna

maekning

er

anbragt

pd

apparatets

hojre

side

og

ind

ikerer,

at

apparatet

arbejder

med

jaserstraler

af

klasse

1,

hvilket

betyder,

at

der

anvendes

laserstraler

af

svageste

klasse,

og

at

man

ikke

pa

apparatets

yderside

kan

blive

udsat

for

utilladelig

kraf

tig

straling.

APPARATET

BQ@/R

KUN

ABNES

AF

FAGFOLK

MED

SE

RLIGT

KENDSKAB

TIL

APPARATER

MED

LASERSTRALER!

Indvendigt

i

apparatet

er

anbragt

den

her

gengivne

advarselsmérkning,

som

advarer

imod

at

foretage

sadnne

isdgreb

i

apparatet,

at

man

kan

komme

til

at

udsaette

sig

for

lasers

raling.

VAROITUS!

LAITTEEN

KAYTTAMINEN

MUULLA

KUIN

TASSA

KAYTTOOHJEESSA

MAINTULLA

TAVALLA

SAATTAA

ALTISTAA

KAYTTAJAN

TURVALLISUUSLY

OKAN

1

YLITTAVALLE

NAKYMATTOMALLE

LASERSATEILYELE.

CR-185

MICROPROCESSOR

CONNECTION

DIAGRAM

uPD78044AGF-123

Q30!

SIGNAL

PROCESSOR

Ve

Q703

SYSTEM

R T

-

2

*

5

i

°

z

c

CDDATA

| |

!

1

=

o

OPERATION

27

|

ve,

|

wey

[26]

a

ee

+5y

22

|

zw

|

owen

+5v

22

Ys.

|]

STOPPAGE

Bt

pial

74»

|_|

DETECTOR

>

32

»

PD78044AGF

pst

23»

_| _|

a

=

a

INPUT

SELECTOR

oy

v2

|

4.19MHz

X'TA

7

osc

|

3s

|

70

36

|

«os

|

w

Pp

le

||

2

Ciiaratal

meaner

ee

Qi131

PUL

SYNTHESIZER

AND

CONTROLLE

P

BUZZER

LM700)1

@|

[outs]

se

|

Q

&

Q591.0592

AMP.

+8

sw

ast

RDS

DECOODER

PC134.0cS

4

xe

aS

RI

O

=o

ey

(N/OU

Fe

FO

on

|

Operation

|

VOLUP

output]

VOLDOWN

output

ae

a

|

vorup

[|

ow

|

VOL

DOWN

1

Barheie

=

-.

>|

87.50~

108MHz

Worldwide

_|87.50~

108MHz

Table

1

87.9~

107.9MHz

Japan

Table

2

Table

3

FTO

TERMINAL

DESCRIPTIONS

Function

4G710G

CDDATA

SQCK

Sense

signal

input

terminal.

Connect

the

terminal

SENS

of

signal

processor

IC.

STEREO

AVSS

VOL

UP

Refer

the

table

1.

SBASS

Super

bass

control

output

terminal.

No.

17

<

o

—]

_

oy

~

wi

1

14

3

_

ZEB

REGAL

ihistall

—

n

_

\o

20

21

22

23

24

Initializing

setting

terminal

for

the

Frequency

range.

25

IN/OUT

Input

terminal

for

tray

open/close

detection switches.

26

SIGNAL

Signal

level

input

terminal

for

automatic

memory.

Operation

key

connection

terminals

AVDD

Analog

power

supply

for

D/A

converter.

g

~

29

30

AVREF

Reference

power

supply

for

D/A

converter.

fill

il

Crystal

resonator

connection

terminal

for

sub

system.

SS

<

We

[2

fod TWO

vu

Wd

[=

oo

>

Ceramic

resonator

connection

terminal

for

main

system.

Connect

the

4.19MHz

ceramic

resonator.

Clock

output

terminal

for

PLL

IC

and

the

source

selector

IC.

RDS

broadcast

detection

terminal.

Sub

code

detection

terminal.

Connect

the

terminal

SCOR

of

signal

processor

IC.

Ww

wa

36

37

38

39

40

41

42

>

w

BISI5

(Z(EIZ

SIZE

OjAlla

|B

TI

IS

IN

Ic

~—

RIAN

21a

|S

~

Ol>

1S

|"

7

|>

>\s

Ww

44

45

46

Clock

input

terminal

from

RDS

decoder.

nx

&

|B

216

nw

System

code

output

terminal.

>

~“_

49

50

EP

>

QA

SER)

z

9

5

Gis

z

sla

Power

supply

terminal

for

CD

mechanism

Defect

output

for

CD

mechanism.

aw~wIa

zal

4|z

ies!

~]

bel

E

SE

Optical

pickup

control

output

terminal.

Pu

OAD

ewes

eniompdaeta

ee

z

51

52

33

34

355

56

s7

58

59

iit

ia]

nN

i

Zz

a

CR-185

IC

BLOCK

DIAGRAM

AND

DESCRIPTIONS

CXA1372Q

(Servo

Signal

Processor)

WOiVuvdWO?

MOONIM

[

asa]

3

g

»

=

¥

2

v

a

>

a

wv

~

a

z

2-103

4200330

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ONIMIV

ML

€-1Sd

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Ord

[PIN

NO.

SYMBOL

|V/O

[DESCIRPION

[PINNO.

[SYMBOL

[VO

[DESCIRPION,

}

VC

TT

|

Mid-point

voltage

input

terminal.

[|

23(XLT___|_1

[Latch

input

terminal

for

microprocessor.

|

Connect

the

capacitor

between

FS3andthispin

|

_24{DATA

__|

I

[Serial

data

input

terminal

for

microprocessor.

__|

2

when

the

high

frequency

gain

focus

servo

[____2S|XRST__|

1

[Resetinputterminal.Activelow.

is

dropped.

|

___26{C.0UT___|

©

[Signal

ourput

to

count

the

track

numbers.

i

ecient

all

Ee

input

terminal.

according

command

from

the

microprocessor.

FLB

Input

terminal

for

the

low

frequency

boost

of

[__29[MIRR___|

O

[Mirrorcomparator

outputterminal.

pe

Neeser.

aber

To

leted

eomemrens

usec

eran

FEO

9

Focus

drive

ourput

terminal.

|

3K{ASY

_[_{

[Auto

asymmenry

conwol

input

terminal.

|

____«|FE-

|_1

[Inversion

input

terminal

of

focus

amplifier.

[__32{EFM___'|

O

[EFMcomparator

output

terminal.

|

Lee

fee

als

algae

Pe

a

es

select

=|

ore

beam

ine

eee

ee

waveform.

|

34{CCi_

0

[Defect

boom

hold

outputterminal.

eee

terminal.

37|CB__[_T_

[Defect

bottom

hold

capacitor

connection

terminal,

_|

|

1i[TAO

|

O

[Tracking

drive

outputterminal.

S|

~SSBICP

ss

[Mirror

hold

capacitor

connection

terminal.

|

14|SLO

[0

{Sied

drive

ourputterminal

|S

AQTZC

OT

|

Tracking

zero-cross

comparator

input

terminal.

|

__t5|St-___|

_I_

|

Inversion

input

terminal

of

sled

amplifier.

[43/TE

ss

[Tracking

errorinputterminal,

Sees

ener

ee

focus

tracking.

when

defect.

This

terminal

is

flowed

the

current

so

that

the

ee

ae

Window

comparator

input

terminal

for

ATSC

7

focus

search,tarcking

jump,and

sled

kick

height

detection.

is

decided.

{

—-461FZC

—si|_1._

[Focos

zero-cross

comparator

input

terminal.

[——TaISSTOP

1

[inner

swich

sclection

input

emia,

|

47]FE

[1

Focus

error

input

terminal,

|_____20(DIRC

__|[_I_

[This

terminal

is

used

when

track

jump.

4

FDFCT

aa

Capacitor

connection

terminal

for

time

constant

ae

The

sted

runaway

prevention

circuit

operates

when

defect.

at

the

low

level.

i

eae

G2

Serial

data

transfer

clock

input

from

microprocessor.

CR-185

SM5875BM

(DA

CONVERTER)

LRCI

DI

(8)

(6)

INPUT

INTERFACE

FILTER

ARITHMETIC

AND

ATTENUATION

ARITHMETIC

ATTENUATION

MUTE

COUNTER

MODE

@3)

RSTN

3)

|

conn:

ne

D

CONTROL

(i9)

XTO

pvss

@)

PWM

DATA

NOISE

SHAVER

GENERATION

ARITHMETIC

xTI

vi

pvop

©

BLOCK

TSTN

(9)

G7)

XVDD

TO1

TO2

AVDDL

(11)

AVDDR

LO

AVSS

RO

MODE=H:Muting

control

70

De-emphasis

control

pin.

On

at

high

level.

MODE=L:

Attenuator

level

control

Analogue

supply

for

left

channel

Clock

output

pin:

16.9344MHz

Analogue

signal

output

for

left

channel

Test

output

terminal

Supply

for

resonator

system

Crystal

connection

or

external

clock

input

Crystal

connection

Supply

for

resonator

system

Playback

speed

select

pin.

Double

speed

at

H

CXD2500A/BQ

(Digital

Signal

Processor)

9

DAO!~I6

9

MUTE

CR-185

[no.

|syMBoL

|yo[pescrrrion

ss

CC™—~—~—~CSCSC*dS_NO._

|

SyMBO_|

YO

DESCRIPTION

1

Irok

|

1

|roucsOkinpt

SS

SS™S™~—~sSCS

Ea

sO

|

[DAOS

—GESoupr

|

2

[rsw

|

©

[Output

filter

changeover

output

for

spindle

motor

||

43

|DAO7

|

O

[DAG7

_—IRFCKoupu.

3

[MON

|

[Spindle

motor

control

ouput

Cid

|

44

AOS

|

©

[DADS

—*[C2POoupu

Cd

4

|Mpp

|

0

[Spindle

motor

servoconrol

Sd)

|

45

—IDAOS

|

O

[DAOS

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Note:

SSP:

1C101

CXA1372Q

CR-185

BA1448S

(AM

Radio,

FM

IF,

and

Stereo

System)

[No.

|

Terminal

Descriptions

[1

[EM

IFamplifierinputterminal

|

13

Groundterminl

|

16

[FM/AM

detectorsignal

output

terminal

|

=

Terminal

Descriptions

|

a

|

[7

stereo

indicator

terminal

|

19

[AMmixer

outputterminal

|

[8

[tFrequest

and

Muting

terminal

|

20

[AMamtennatermingl

[9

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|

[11

[Leftchannel

output

terminal

|

23

(Reference

voltage

terminal

AM

local

oscillator

output

terminal

LM7001

(PLL

Synthesizer

and

Controller)

aé.

Tuning

indicator

terminal

18

|

AM

FF

input

terminal

10

AMIN

'

j

Onkyo CR-185 Manual de usuario

Manuales populares de Receptor de otras marcas