Marantz SR-66 Manuale utente

Service

74

SR66/o28

SR-66U

Manual

A/V

Surround

Receiver

TABLE

OF

CONTENTS

SECTION

vg

PAGE

1:

TECHNICAL

SPECIFICATIONS

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4.

SCHEMATIC

DIAGRAM

AND

PARTS

LOCATION

(Pattern

Side)

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.9

5.

SERVICE

TEST

PROGRAM

OF

THE

MICROPROCESSOR

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24

6.

ALIGNMENT

PROCEDURES

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28

7:

EXPLODED

VIEWAND

PARTS

LIST

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ccisis

san

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etendgemnuconnieneeaaenimen

alent

32

BU

ELEGTARICAM

PARTS

LIST

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iar

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eases

35

Please

use

this

service

manual

with

referring

to

the

user

guide

(D.F.U)

without

jail.

model

SR-66

Printed

in

Japan

First

§ssue

1996.3

4168w

855080

ACT

MARANTZ

DESIGN

AND

SERVICE

>

Using

superior

design

and

selected

high

grade

components,

MARANTZ

company

has

created

the

ultimate

in

stereo

sound.

Only

original

MARANTZ

parts

can

insure

that

your

MARANTZ

product

will

continue

to

perform

to

the

specifications

for

which

it

is

famous.

Parts

for

your

MARANTZ

equipment

are

generally

available

to

our

National

Marantz

Subsidiary

or

Agent.

ORDERING

PARTS:

Parts

can

be

ordered

either

by

mail

or

by

Fax..

In

both

cases,

the

correct

part

number

has

to

be

specified.

The

following

information

must

be

supplied

to

eliminate

delays

in

processing

your

order:

.

Complete

address

.

Description

of

parts

.

Way

of

shipment

nor

WN

USA

MARANTZ

AMERICA,

INC.

440

MEDINAH

ROAD

ROSELLE,

ILLINOIS

60172

-

2330

USA

PHONE

:

708-307-3100

FAX

:

708-307

-

2687

PROF

ESSIONAL-USA

SUPERSCOPE

TECHNOLOGIES,

INC.

MARANTZ

PROFESSIONAL

PRODUCTS

1000

CORPORATE

BLVD.,

SUITE

D

AURORA,

ILLINOIS

60504

USA

PHONE:

708-820-4800

FAX

>

708-820-8103

AUSTRALIA

MARANTZ

AUSTRALIA

3

Figtree

Drive

Australia

Centre

Homebush,

NSW2140

AUSTRALIA

PHONE:

+61

2

742.8311

FAX

>

+61

2

7643074

TAIWAN

PAl-

YUING

CO.,

LTD.

6

TH

FL

NO.

148

SUNG

KIANG

RORD,

TAIPEI,

10429,

TAIWAN

R.O.C.

PHONE

:

+886

(2)

5221304~8

FAX

:

+886

(2)

5630415

JAPAN—Technical

MARANTZ

JAPN

INC.

35-1,

7-

chome,

Sagamiono

Sagamihara-

shi,

Kanagawa

Japan

PHONE

:

+81

427

48

2181

FAX

+81

427

48

0889

.

Model

number

for

which

part

is

required

.

Complete

part

numbers

and

quantities

required

CANADA

LENBROOK

INDUSTRIES

LIMITED

633

GRANITE

COURT,

PICKERING,

ONTARIO

L1W

3K1

CANADA

PHONE

:

416-831-6333

FAX

>

416-831-6936

PROFESSIONAL

-CANADA

TC

ELECTRONICS

CANADA

LTD

540

FIRING

AVE.

BAIE

D'URFE,

QUEBEC

H9X

3T2

CANADA

PHONE:

514-457-4044

FAX

;

514-457-5524

HONG-KONG

FORWARD

INTERNATIONAL

CORP.

LTD.

15

TH

FLOOR,

REGENT

CENTRE,

88

QUEEN’S

ROAD,

CENTRAL,

H.

K.

PHONE

:

+852

521-0883

FAX

>

+852

521-7835

MALAYSIA

WO

KEE

HONG

ELECTRONICS

SON.

BHD.

NO.

102

JALAN

SS

21/35,

DAMANSARA

UTAMA,

47400

PETALING

JAYA

SELANGOR

DARUL

EHSAN,

MALAYSIA

PHONE

:

+60

3-

7184666

FAX

:

+60

3-

7173828

SHOCK,

FIRE

HAZARD

SERVICE

TEST:

.

Signature:

any

order

form

or

Fax.

must

be

signed,

otherwise

such

part

order

will

be

considered

as

null

and

void.

EUROPE

MARANTZ

EUROPE

B.V.

P.O.BOX

80002

BUILDING

SFF2

5600

JB

EINDHOVEN

THE

NETHERLANDS

PHONE

:

+31-40-

2732241

FAX

:

+31-40-

2735578

TRADING

MARANTZ

EUROPE

B.V.

P.O.BOX

80002

BUILDING

SFF2

5600

JB

EINDHOVEN

THE

NETHERLANDS

PHONE

:

+31-40-

2732241

FAX

>

+31-40-

2735578

THAILAND

MRZ

STANDARD

CO.,,

LTD.

746-750

WANGBURAPA

BANGKOK

10200

THAILAND

PHONE:

+66

2222

9181

FAX

>

+66

2225

8871

SINGAPORE

WO

KEE

HONG

(SINGAPORE)

PTE.

LID.

29,

LENG

KEE

ROAD

SINGAPORE

159099,

PHONE:

+65

475-4555

FAX

:

+65

475-

8623

HAV

SUV

RRA

A

tk

F

228

PASI

IMLALGSOTCTLT

AWE

7

TE

98

He

1

SRAM

T

150

HG

Mat

er

KL

A

1

TE)

11

dh

85

CAUTION:

After

servicing

this

appliance

and

prior

to

returning

to

customer,

measure

the

resistance

between

either

prinary

AC

cord

connector

pins

(

with

unit

NOT

connected

to

AC

mains

and

its

Power

switch

ON

),

and

the

face

or

Front

Parel

of

product

andcontrols

and

chassis

bottom.

Any

resistance

measurement

fess

than

1

Megohms

should

cause

unit

to

be

repaired

or

corrected

before

AC

power

is

aptied,

and

verified

before

it

is

return

to

the

user/customer.

Ref.

UL

Standard

NO.1492.

In

case

of

difficulties,

do

not

hesitate

to

contact

the

Technical

Department

at

above

mentioned

address.

951

1

08K!

1.

TECHNICAL

SPECIFICATIONS

[(JFRONT

AMP

SECTION

(Condition:

DOLBY

PRO-LOGIC

OFF)

Unit

Norminal

Limit

-

RMS

Output

Power:

Both

channels

driven

at

40

Hz,

0.3

%

THD,

8

Q

load

Ww

>

82

>

80

Both

channels

driven

at

1

kHz,

0.3

%

THD,

8

©

load

Ww

>

82

>

80

.

Inter-modulation

Distortion(60

Hz

:

7

kHz

=

4:

1

SMPTE)

at

80

W

output,

8

©

load

%

0.05

0.08

-

Total

Harmonic

Distortion

at

20

Hz

-

20

kHz,

80

W

output,

8

©

load

40

Hz

%

0.15

0.3

1

kHz

%

0.1

0.2

20

kHz

%

0.15

0.3

-

Frequency

Response

at

CD,

1

W

output,

8

©

load

20

Hz

-

40

kHz

dB

+3

-

Input

Sensitivity

for

80

W

output,

8

©

load

CD/AUX

mV

200+

20

200

+30

-

Tone

Control

Bass

at

100

Hz

dB

+10

+12

Treble

at

10

kHz

dB

+10

+12

.

Channel

Seperation

with

input

shorted

at

CD/TAPE

1

kHz

dB

45

35

10

KHZ

dB

40 30

.

Signal

to

Noise

Ratio

with

input

shorted,

IHF

"A"

weighted

CD/AUX/TAPE

dB

>

90

>

87

_ICENTER

AMP

SECTION

(Condition:

VCR1

input,

230

mV

input

level

at

1

kHz,

center

level

with

master

vol.

max.

adj.,

WIDE

mode)

-

RMS

Output

Power

at

1

kHz,

0.3

%

THD,

8

Q

load

W

>

52

>

50

-

Signal

to

Noise

Ratio

with

input

shorted,

IHF

"A"

weighted(PRO-LOGIC,

3-STEREO)

dB

>

70

>

65

-

Frequency

Response

at

1

W

output,

-3

dB,

8

Q

load(PRO-LOGIC)

Normal

Hz

100-17000

150

-

15000

Wide

Hz

30-17000

5)-

15000

(]REAR

AMP

SECTION

(Condition:

VCR1

input,

230

mV

input

level

at

1

kHz,

rear

level

with

master

vol.

max.

adj.)

-

RMS

Output

Power

at

1

kHz,

0.9

%

THD,

16

Q

load

W

>

27

>

25

.

Signal

to

Noise

Ratio

with

input

shorted,

IHF

"A"

weighted,

20

ms

delay

time(PRO-LOGIC)

dB

>

65

>

60

-

Frequency

Response

at

1

W

output,

-3

dB,

16

©

load(PRO-LOGIC)

Hz

80-7000

1)0

-

6000

CJFM

SECTION

(Condition:

65

dBf

antenna

input,

1

KHz

MOD.,

75

kHz

DEV.)

-

Tuning

Frequency

Range

100

kHz

step

U

MHz

87.5-108

50

kHz

step

.

/02B

MHz

87.5-108

.

Usable

Sensitivity

at

impedance

75

QO,

3%

THD

U

dBf

<

16.2

<

20.2

at

impedance

75

Q,

26

dB

S/N

/02B

dBf

<

16.2

<

20.2

-

Image

Rejection

Ratio

|

at

106.1

MHz

U

dB

>

40

>

35

at

106

MHz

/02B

dB

>

80

>

70

.

IF

Rejection

Ratio

at

90.1

MHz

U

dB

=

75

>

70

at

90

MHz

/02B

.

dB

>

75

>

70

en

ie

-

Full

Limiting

at

-3

dB

-

50

dB

Quieting

Sensitivity

with

IHF

band

pass

filter

at

98.1

MHz,

U

MONO

STEREO

at

98

MHz,

/0O2B

MONO

STEREO

-

Signal

to

Noise

Ratio

with

IHF

band

pass

filter

at

1

mV

input

MONO

STEREO

-

De-emphasis

at

40

-

12000

Hz

73.

us

U

50

us

/02B

-

Auto

Stop

Level

at

98.1

MHz

U

at

98

MHz

/02B

-

Output

Voltage

at

75

kHz

DEV.,

1

kHz

MOD.,

1

mV

input,

MONO

-

Multing

Threshold

at

98.1

MHz

U

at

98

MHz

/02B

-

Supurious

Response

with

1/2

IF

at

98.1

MHz

U

at

98

MHz

/02B

-

Capture

Ratio

at

1

mV

input

-

Alternative

Channel

Selectivity

at

45

dBf

+400

kHz

U

+300

kHz

/02B

-

Total

Harmonic

Distortion

at

1

mV

input,

1

kHz

U

MONO

STEREO

/02B

MONO

STEREO

CLIMPX

SECTION

-

Stereo

Seperation

at

100

%

MOD.,

1mV

input,

IHF

band

pass

filter

1

KHz

10

kHz

-

Automatic

stereo

threshold

at

98.1

MHz

U

at

98

MHz

/02B

LIAM

SECTION

(Condition:

80

dB/m(10

mV/m)

antenna

input,

400

Hz,

30

%

MOD.)

-

Tuning

Frequency

Range

10

kHz

step

U

9

kHz

step

/02B

-

Usable

sensitivity

at

400

Hz,

30

%

MOD.,

-20

dB

S/N

600,

1000,

1400

kHz

U

603,

999,

1404

kHz

/02B

-

Image

Rejection

Ratio

at

1400

kHz(1404

kHz

for

/02B)

-

IF

Rejection

Ratio

at

600

kHz(603

kHz

for

/02B)

-

AGC

figure

of

merit

from

100

mV/m

at

1000

kHz(999

kHz

for

/02B)

-

Total

Harmonic

Distortion

at

400

kHz,

30

%

MOD.,

10

mV/m

input

Unit

LN

dBf

dB

dBf

dB

%

dB

dBf

kHz

dB/m

dB

%

Norminal

1.5

<

20.2

<

42.2

<

20.2

<

42.2

>

70

>

65

28

70

VM

Own

ano

lA

os)

oo

<

0.5

<

0.5

<

0.8

VM

Nw

oS)

28

Limit

2

<

24.2

<

45.2

<

24.2

<

45.2

V

WV

Oo

“I on

oo

IA

A

WIA

-9O00

ee

(|

520

-

1710

522

-

1611

<

60

<

60

28

30

45

<2

Unit

Norminal

—__

Limit

-

Output

Voltage

at

400

Hz,

30

%

MOD.,

10

mV/m

input

mV

200

+

50

.

Audio

Response

at

10

mV/m

input,

1

kHz

/

0

GB,

1000

kHz(999

kHz

for

EUR/AUS)

/

-6

dB

Hz

80-2300

100-2000

.

Selectivity

at

350

;v/m,

+9

kHz(+10

kHz

for

EUR/AUS)

dB

225

>

20

.

Signal

to

Noise

Ratio

at

1000

kHz(999

kHz

for

EUR/AUS)

dB

>

40

>

35

.

Auto

Stop

Level

dB

58

58+6

CIGENERAL

.

Speaker

load

impedance

--------------------------n---n

ence

enn

n

nnn

nnnn

nnn

n

nn

nnnnnnnn

nn

e

8QO

.

Power

consumption:

|

No

load,

NO

Signal

------------------------------n

2

nn

nnn

nn

nnn

50

Watts

1/8

\W

PM

aX.

------n--nnn

nnn

nn

nnn

nn

nnn

nner

eee

enn

nn

en

nnn

enema

nnn

210

Watts

Pa

(Undistorted)

with

outlet

--------------------200----—-----o

nn

nnmn

nn

nrnnnrnnnrnnnnnnnnnnnnnn

nnn

nrnmsm

650

Watts

.

DimenSiOnS(WXHXD)

---------------n-nnn

nnn

nn

nnn

435

x

125

x

350

mm

»

Weight(Net.)

------------------nnnnnn

nnn

11.8

Kg(26

Ibs)

(POWER

REQUIREMENTS

|

[J

--nnnnnwnnnnnnn

nn

nnn

en

nn nn

nn

en

nee

n

mene

neem

enna

nnn

nana

nnnnnnennnnnnenanananenanannnnannncacanensacconanacacasmensenn

ans

120

V,

60

Hz

|OQB

-n--nn----nnwnwe

cen

nnnnnn

cece

nnn

n

nn

ennn

nnn

n

en

nnnnnnnnnnnnnnnnnnnnannnnnnnnannnnnacnnnnnmncnancamnnnnanaaaanmmnnnnamnnnnnns

230

V,

50

Hz

Notes:

Norminal

specs

represent

the

design

specs.

All

units

should

be

able

to

approximate

these,

some

will

exceed

and

some

may

drop

slightly

below

these

specs.

Limit

specs

represent

the

absolute

worst

condition

that

still

might

be

considered

acceptable:

In

no

case

should

a

unit

fail

to

meet

limit

specs.

2.

BLOCK

DIAGRAM

FM

=

met

joa

DIGI

EY

LINK

RESORT:

.

-MATaTx

NATOR

an

Bene

;

.

CLK.

CE.

TUNED

<}—

cpu

=

naeve

STEREO

CPU

REGU.

TRANS

MONO

:

MUTE DATA

CONTROL

LINE

=

wees

:

730V

U1

20V/60Hz

eure

MPX.

)

IP

FL

AC

6V.4

/02B

:-230V/S50Hz

Caer

INPUT

PARTS

aay

ae

:

SURROUND

PARTS

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[|v

-45Vv

V

pet.

OE

T .

TUNER

PARTS

RY

MAIN

AMP.

PARTS

|

POWER

SUPPLY

PARTS|

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AMP.

CENTER

AMP.

POWER

RIGHT

CHANNEL

sT-8y RELAY

Fat

NA

i

6V

A

C

OUTLET

AMP

NWA

JEP

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AS:

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(LEFT

CHANNEL)

BY-PASS/

IC303

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PROTECT

MAIN

VOLUME

MAIN

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