Sony STR-AV880 Manual de usuario

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SERVICE

MANUAL

SPECIFICATIONS

AUDIO

OUTPUT

AND

TOTAL

HARMONIC

inputs

US

Model

DISTORTION:

With

8-ohm

ioad,

both

channeis

driven,

from

20

-

20,000

Hz,

rated

110

watts

per

channel

minimum

RMS

power,

with

no

more

than

0.006%

total

harmonic

distortion

from

250

Sensitivity

2.5mV

0.25

mV

150

mV

_—_—_—__1—.

Impedance

50

kilonms

100

ohms

50

kilonms

1

SIN

(weighting

network,

input

i

kk

eee

|

87

dB

|

|

79dB*

(A,

25mV)

69

dB

78

dB*

(A,

0.25

mV)

105

dB

86

dB*

(A,

150

mV)

——L.

milliwatts

to

rated

output.

cen

TV

(audio)

OTHER

SPECIFICATIONS

TAPE

1,2

|

Outputs

Amplifier

section

Dynamic

power

output

470

watts

+

170

watts

(8

ohms,

at

1

KHz

IHF)

210

watts

+

210

watts

(6

ohms,

at

1

kHz

IHF)

250

watts

+

250.watts

(4

ohms,

at

1

kHz

IHF)

Harmonic

distortion

Less

than

0.006%

at

rated

output

intermodulation

(IM)

distortion

(60

Hz:7

KHz

=

4:

1)

Less

than

0.006%

at

rated

output

Frequency

response

PHONO:

RIAA

equalization

curve

+

0.5

dB

CDIAUX

VIDEO

1,

2

(audio)

TV

(audio)

TAPE

1,2

Less

than

70

,V

(8

ohms,

network

A)

50

(8

ohms,

1

kHz)

,

|

5

Hz

-

100

kHz

*°dB

Residual!

noise

Damping

factor

*°78

IHF

REC

OUT

1,2,

VIDEO

1

AUDIO

OUT

Voltage

150

mV

Impedance

10

k

ohms

SPEAKER

A,

B

Accepts

speakers

of

8

—

16

ohms.

HEADPHONES

Accepts

low

and

high

impedance

headphones.

—

Continued

on

page

2

—

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

BY

SHADING

AND

MARK

A

ON

THE

SCHEMATIC

DIAGRAMS

AND

IN

THE

PARTS

LIST

ARE

CRITICAL

TO

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

AS

SHOWN

IN

THIS

MANUAL

OR

IN

SUPPLEMENTS

PUBLISHED

BY

SONY.

FM

STEREO/FM-AM

RECEIVER

SON

Y.

AUD

MICROFILM

STR-AV880

Tone

controls

BASS

+8

dB

at

100

Hz

TREBLE

+8

dB

at

10

kHz

Subsonic

filter

6

dB/oct.

attenuation

below

15

Hz

Video

section

Inputs

TV,

VIDEO

1,

2:

1

Vp-p,

75

ohms

unbalanced

Outputs

VIDEO

1,

MONITOR

VIDEO

OUT:

1

Vp-p,

75

ohms

unbalanced

;

FM

tuner

section

Tuning

range

87.5

MHz

-

108

MHz

Antenna

terminals

75

ohms,

unbalanced

Q.

Intermediate

frequency

10.7

MHz

Sensitivity

at

50

dB

quieting

16.1

dBf,

3.5

pV

(ones.

38.3

dBf,

45

pV

(stereo)

Usable

sensitivity

10.3

dBf,

1.8

nV

(IHF)

Signal-to-noise

ratio

82.

dB

(mono),

76

dB

(stereo)

Harmonic

distortion

0.05%

(mono),

0.1%

(stereo)

at

1

KHz,

WIDE

IM

distortion

0.05%

(mono),

0.1%

(stereo),

WIDE

Separation

50

dB

at

1

kHz,

WIDE

Frequency

response

30Hz-

15kHz*°2dB

Selectivity

65

dB

at

400

kHz,

NORMAL

30

dB

at

400

kHz,

WIDE

Capture

ratio

1.2dB

AM

suppression

ratio

54dB

Image

response

ratio

80dB

iF

response

ratio

90

dB

Spurious

response

ratio

100

dB

RF

intermodulation

65

dB

Searching

threshold

LOW

30dBf,

MID

40

dBf,

HIGH

50

dBf

AM

tuner

section

Tuning

range

530

-

1,610

kHz

(with

the

AM

tuning

interval

set

at

10

kHz)

531

-

1,602

kHz

(with

the

AM

tuning

interval

set

at

9

kHz)

Antenna

Layout-free

antenna

External

antenna

terminal

Intermediate

frequency

;

450

kHz

Usable

sensitivity

50

dB/m,

layout-free

antenna

(at

1,000

kHz)

100

pV,

external

antenna

terminal

(at

1,000

kHz)

Signal-to-noise

ratio

54

dB

(at

50

mV/m)

Harmonic

distortion

0.3%

(at.50

mV/m,

400

Hz)

Selectivity

40

dB

(10

kHz)

Searching

threshold

55dB/m

General

;

‘

;

»!

System

Tuner

section:

PLL

quartz-locked

digital

synthesizer

system

Preamplifier

section:

low-noise

NF

type

equalizer

amp.

Power

amplifier

section:

pure-

complementary

SEPP

Power

requirements

120V

AC,60Hz

Powerconsumption

200

watts

AC

outlets

:

Two

switched

(total

100

watts)

‘Dimensions

Approx.

430

x

130

«345

mm

(w/h/d)

(17

x

54s

x

13%,

inches)

including

projectiag

parts:

and

controls

Weight

Approx.

9.6

kg

(21

Ib

3

oz)

net

Approx.

10.8

kg

(23

Ib

13

oz)

in

shipping

¢

carton

Accessories

supplied

FM

ribbon

antenna

(1)

:

:

AM

layout-frée

antenna

(1).

External

antenna

connector

(1)

RM-U880

Remote

Commander

with

two

size

AA

(IEC

designation

R6)

batteries

and

a

4-pin

flat

cord

Design

and

specifications

subject

to

change

without

notice.

FEATURES

The:STR-

AV880

is

a

combined

receiver

and

audio/video

contro!

center

that

allows

you

to

enjoy

with

maximum

convenience

a

variety

of

audio/video

program

sources—CD

(Compact

Disc),

record,

tape,

TV,

hi-fi

video,

and

more.

e

A

surround

sound

system

gives

your

living

room

the

acoustics

of

a

movie

theater

or

a

concert

hall.

©

The

ASP

(Audio

Signal

Processor

IC

developed

by

Sony

can

digitally

control

the

tone

and

volume

settings,

and

permits

electronic

program

source

selection

with

a

single

touch

of

a

key.

¢

The

ASP

IC

also

offers

an

acoustic

memory

function,

an

ability

to

store

and

recall

three

sets

of

tonal

adjustments,

and

a

voiume

iade-in

junction,

an

abiiity

io

Sei

ihe

voluinie

to

the

minimum

level

when

the

power

is

turned

on

and

automatically

increase

it

to

a

previously

set

level.

©

A

quartz-locked

digital

synthesizer

system

with

a

sophisticated

Phase-Locked

Loop

(PLL)

circuit

allows

extremely

precise

tuning

of

FM

and

AM

stations

with

an

electronic

digital

readout

in

the

display

window.

A

total

of

10

stations

can

be

preset.

*

The

computerized

logic

tuning

system

automatically

selects

the

appropriate

FM

mode

and

FM

IF

band:

according

to

the

signal

strength

of

the

station

received.

¢

The

station

spectrum

display

allows

you

to

identify

at

a

glance

the

frequencies

of

all

preset

stations

or

stations

which

are

receivable

with

station

scan

tuning.

¢

Video

tapes

can

be

edited

between

two

hi-fi

video

cassette

recorders

connected.

During

video

tape

editing,

other

audio

program

sources

can

be

enjoyed

and

added

onto

the

video

tape.

,

*

Independent

TV

tuner

inputs

are

provided

besides

the

two

video

inputs.

*

Front

video

inputs

allows

temporary

connection

of

a

portable

VCR,

etc.

*

CATV

cable

can

be

connected

directly

to

the

receiver,

making

FM

simulcast

program

reception

easily.

e

The

RM-U880

Remote

Commander

allows

you

to

control

the

components

connected

to

the

receiver

from

a

distance.

TABLE

OF

CONTENTS

Section

Title

Page

Specifications

©...

0.2...

eee

eee

eee

1

Features

2...

0...

ee

ee

ee

ee

ees

2

Safety

Check-out

.......

0.00.

eee

eee

3

Notes

on

Repair...

2...

0...

eee

ee

ees

4

Location

and

Function

of

Controls

.........-

5

To

Receive

FM/AM

Broadcast...........---

11

To

Listen

to

Program

Sources

Other

Than

Broadcasts

weg

hie

ace

eed

es

hears

Gee

eae

13

To

Set

the

Acoustic

Settings............---

15

To

Record

on

an

Audio

Tape

..........-.4.--

16

Hi-Fi

Video

Recording........---.---0055

17

Video

Tape

Editing.

©...

2.0...

ee

eee

eee

18

Adding

New

Sound

on

a

Video

Tape

During

Editing...

2...

ee

ee

es

18

Connection

Diagrams

........-+2+020005

19

IC

Pin

Function

.........

0.0000

eee

25

1.

ELECTRICAL

ADJUSTMENTS

.......

28

2,

DIAGRAMS

.

33

2-1.

Main

Section

Mounting

Diagram

.......

34

2-2.

Main

Section

Schematic

Diagram

.......

39

2-3.

Display

Section

Mounting

Diagram

and

Schematic

Diagrams

.........---+55

44

2-4.

Tuner

Section

Schematic

Diagram

......

50

Semiconductor

Lead

Layouts

..........+.-.

53

3.

EXPLODED

VIEWS

AND

PARTS

LIST

..........-0-

00-00?

54

4.

ELECTRICAL

PARTS

LIST.........

57

Troubleshooting...

........

002

ee

eee

eee

66

STR-AV88O0

SAFETY

CHECK-OUT

(US

Model)

After

correcting

the

original

service

problem,

perform

the

following

safety

check

before

releasing

the

set

to

the

customer:

Check

the

antenna

terminals,

metal

trim,

‘‘metallized”

knobs,

screws,

and

all

other

exposed

metal

parts

for

AC

leakage.

Check

leakage

as

described

below.

LEAKAGE

TEST

The

AC

leakage

from

any

exposed

meta!

part

to

earth

ground

and

from

all

exposed

metal

parts

to

any

exposed

metal

part

having

a

return

to

chassis,

must

not

exceed

0.5mA

(500

microampers).

Leakage

current

can

be

measured

by

any

one

of

three

methods.

;

1.

A

commercial

leakage

tester,

such

as

the

Simpson

229.

or

RCA

WT-540A.

Follow

the

manufacturers’

instructions

to

use

these

instru-

ments.

A

battery-operated

AC

milliammeter.

The

Data

Precision

245

digital

multimeter

is

suitable

for

ihis

job.

Measuring

the

voltage

drop

across

a

resistor

by

means

of

a

VOM

or

battery-operated

AC

volt-

meter.

The

“limit”

indication

is

0.75

V,

so

analog

meters

must

have

an

accurate

low-

voltage

scale.

The

Simpson

250

and

Sanwa

SH-63Trd

are

examples

of

a

passive

VOM

that

is

suitable.

Nearly

all

battery

operated

digital

multimeters

that

have

a

2V

AC

range

are

suitable.

(See

Fig.

A)

To

Exposed

Metal

Parts

on

Set

{

AC

voltmeter

1.5kQ

(0.75

V)

0.15

uF

a

L

Earth

Ground

Fig.

A.

Using

an

AC

voltmeter

to

check

AC

leakage.

STR-AV880

Notes

on.

Repair

-

Initialization

For

abnormal

operation,

or

when

replacing

the

lithium

battery

or

microcomputer,

short

the

main

board

INITIAL

pin

when

power

is

on.

The

micro-

computer

is

initialized

and

operation

begins

from

initial

state.

When

the

microcomputer

is

operating,

the

I/O

CLOCK

port

constantly

generates

a

CLOCK

pulse.

[MAIN

BOARD]

To

change

the

AM

tuning

interval

The

AM

tuning

interval

is

preset

at

the

factory

to

10

KHz

to

match

the

frequency

allocation

system

of

your

country.

If

you

use

the

receiver

where

the

frequency

allocation

system

is

based

on

a

9

kHz

interval,

change

the

interval

as

follows.

1

Depress

the

MAIN

POWER

switch

to

turn

on

the

unit.

2

Press

the

SYSTEM

POWER

switch

to

turn

off

the

unit.

3

While

pressing

the

“+”

STATION

SCAN

key,

press

the

SYSTEM

POWER

switch

to

turn

the

unit

on.

The

AM

tuning

interval

has

been

set

to

9

kHz.

To

reset

the

interval

to

10

kHz,

follow

the

same

procedure.

Note

When

the

interval

is

changed,

all

preset

and

located

stations

and

acoustic

settings

will

be

erased.

After

changing

the

interval,

memorize

the

stations

and

acoustic

settings

again.

STR-AV880

STR-AV880

LOCATION

AND

FUNCTION

OF

CONTROLS

Amplifier

section

[1]

SYSTEM

POWER

switch

7

;

First

turn

the

MAIN

POWER

switch

on

and

then

press

this

switch

to

turn

the

receiver

and

connected

components

on

and

off.

:

.

You

can

operate

the

switch

from

a-distance

with

the

RM-U880

Remote

Commander.

(2!

MAIN

POWER

switch

Depress

to

turn

the

mains

power

on.

(3]

RECEIVED/STANDBY

indicator

Lights

when

the

mains

power

is

turned

on

and

blinks

when

a

key

on

the

Remote

Commander

is

pressed:

[4]

SURROUND

SYSTEM

key

When

listening

to

a

stereo

source,

press

to

give

your

living

room

the

acoustical

atmosphere

of

a-movie

theater

or

aconcert

hall.

Press

it

again

to

disengage

the

surround,

sound

system.

(5!

EDIT

keys

and

indicators

AUDIO:

For

recording

an

audio

program

source

ona

video

tape

or

adding

that

source

to

a

video

tape

during

video

tape

editing

VIDEO:

For

recording

TV

programs

from

the

connected

TV

tuner

on.a

video

tape

or

editing

a

video

tape

from

VCR

2

to

VCR

1

[6]

METER

SELECT

key

Press

to

select

the

power

output

spectrum

display

or

signal

strength

meter

display,and

the

ATT

(volume)

attenuator)

or

SIGNAL

(signal

strength)

indicator

display.

In

TUNER

mode,

each

time

the

key

is

pressed,

the

spectrum

display

will

change

from

normal

power

output

display

to

1/10

scale

power

output

display

to

SIGNAL

strength

meter

display;

successively.

The

ATT

indicator

will

change

to

SIGNAL

indicator

when

the

SIGNAL

strength

meter

display

is

selected.

In

function

modes

other

than

TUNER,

normal

or

1/10

scale

power

output

spectrum

display

can

be

selected.

[7]

CARTRIDGE

select

key

and

indicators

This

key

functions

when

the

PHONO

FUNCTION

key

is

pressed.

For

moving-coil

type

cartridges,

press

this

key

so

that

the

MC

indicator

lights.

For

moving-magnet

type

cartridges,

press

this

kev

again

so

that

the

MM

indicator

lights.

[8|

FUNCTION

keys

PHONO:

For

record

programs

FM/AM:

For

broadcasting

programs

CD/AUX:

For

compact

disc

or

auxiliary

programs

TAPE

1

(TAPE

1

~

2):

For

taped

programs

of

tape

deck

1

(connected

to

TAPE

1

inputs)

TV:

For

TV

programs

from

the

TV

tuner

(connected

to

TV

inputs)

VIDEO

2:

For

video

programs

of

VCR

2

(connected

to

the

front

or

rear

video

2

inputs)

VIDEO

1:

For

video

programs

of

VCR

1

(connected

to

VIDEO

1

inputs)

[9]

MONITOR

key

and

indicator

To

listen

to

taped

programs

of

tape

deck

2

(connected

to

TAPE

2

inputs),

press

this

key

to

turn

on

the

MONITOR

indicator.

To

listen

to

program

sources

other

than

tape

deck

2,

press

the

key

again

to

turn

the

indicator

off.

{ig}

MUTING

key

Préss

to

attenuate

the

sound

level

by

co

dB.

Press

again

to

restore

the

same

sound

Jevel

as

before.

[ii]

BALANCE

control

keys

Govern

the

amount

of

sound

coming

from

éach

paired

speaker

to

get

optimum

stereo

effect.

Press

R

key

to

decrease

the

left

channel

volumé,

and

L

key

to

decrease

the

right

channel

volume.

42]

BASS

and

TREBLE

TONE

control

keys

Control

the

prominence

of

bass

and

treble

response.

[13]

ACOUSTIC

keys

FLAT:

Press

to

disengage

the

acoustic

setting

for

a

flat

frequency

response.

SELECT:

Press

to

select

the

acoustic

memory

number

to

memorize

an

acoustic

setting

or

to

recall

the

memorized

setting.

MEMORY:

Press

to

start

memorizing

an

acoustic

setting.

[14]

SUBSONIC

filter

key

Press

to

reduce

unwanted

subsonic

noise

components

created

by

warped

records,

etc.

The

filter

will

cut

off

any

input

signals

below

15

Hz

at

a

6

dB-per-octave

rate.

Press

it

again

to

disengage

the

filter.

'75!

F/R

(front/rear)

VIDEO

2

INPUT

select

key

Press

to

select

the

front

or

rear

video

2

inputs

after

pressing

the

VIDEO

2

FUNCTION

key.

The

selected

video

2

inputs

are

indicated

by

the

video

2

input

indicator,

“FRONT”

or

“REAR”,

in

the

display

window.

16!

FRONT

VIDEO

2

INPUT

jacks

Connect

to

the

video

and

audio

outputs

of

a

VCR

for

playback,

TV

tuner,

etc.

‘17!

SPEAKERS

selectors

To

drive

speaker

system

A:

depress

A

button.

To

drive

speaker

system

B:

depress

B

button.

To

drive

both

speaker

systems:

depress

A

and

B

buttons.

For

headphone

listening

only:

Keep

both

buttons

released.

STR-AV88O0

-

STR-AV880

we

@

ee

é

ra

«Pe

@

NC

&

Ro

we

2

pars

[fa]

SEARCH

START

key

Press

to

start

searching

receivable

stations.

[19]

FM

MODE

key

When

an

FM

station

is

tuned

in,

the

receiver

determines

the

signal

strength

of

the

station

and

is

automatically

set

to

the

appropriate

FM

mode:

STEREO

for

a

strong

station

or

HI-BLEND

for

a

slightly

weak

station.

Press

this

key

when

you

want

to

change

the

FM

mode

manually

so

that

the

desired

FM

mode

indicator

is

displayed.

HI-BLEND:

When

receiving

a

slightly

weak

station.

Stereo

effects

at

higher

frequencies

will

be

slightly

reduced

but

noise

will

be

reduced.

MONO:

When

receiving

a

very

weak

station.

There

is

not

stereo

effect

but

the

reception

will

be

more

stable

and

noise

will

be

reduced.

(20)

FM

iF

BAND

key

When

an

FM

station

is

first

tuned

in

(except

by

preset

tuning),

the

receiver

determines

if

there

is

likely

to

be

interference

from

an

adjacent

station.

If

there

is

not,

the

IF

band

is

automatically

changed

from

normal

(/\)

to

wide

(7.

Press

this

key

to

change

the

IF

band

manually.

The

IF

band

selected

will

be

indicated

in

the

display

window.

Band/antenna

select

keys

FM

ANT-A

(CATV):

For

receiving

FM

broadcast

using

the

FM

antenna

connected

to

the

CATV

ANT-A

connector

or

cable

TV

programs

when

the

CATV

cable

is

connected

FM

ANT-B:

For

receiving

FM

broadcast

using

the

FM

antenna

connected

to

the

FM

ANT-B

connector

AM:

For

receiving

AM

broadcast

[22]

Number

keys

For

direct

access

tuning:

After

pressing

the

band/

antenna

seleci

key,

press

to

input

the

frequency

of

the

desired

station.

For

preset

tuning:

After

pressing

the

MEMORY

PRESET

key,

press

to

memorize

the

station

being

received.

Also

press

to

call

up

a

preset

station.

23]

MEMORY

PRESET

key

Press

to

memorize

the

frequency

of

a

station.

[<j

[24]

MEMORY

SCAN

key

Press

to

scan

automatically

the

stations

memorized

on

the

number

keys.

[25]

MEMORY

ERASE

key

Press

to

erase

the

memory

of

the

station

located

by

station

searching.

26]

STATION

SCAN

key

~

Press

to

scan

the

receivable

stations

located

by

station

searching.

FM

LEVEL

select

key

Press

to

select

the

level

of

FM

stations

to

be

tuned

in

so

that

the

desired

FM

level

indicator

is

displayed.

LOW:

To

tune

in

both

strong

and

weak

stations

MID:

To

tune

in

strong

and

mid-level

stations

HIGH:

To

tune

in

strong

stations

only

FM

ANTENN.

CATV

[A

(B)

HIBLEN!

MONO

Pee

Ree

Cte

Me

©

Power

output

Q

SIGNAL

strength

spectrum

display

meter

eT

mame

xt

10

100

400

2k

4k

12k

+

al

©

ACOUSTIC

indicator

Shows

the

number

of

the

acoustic

setting

memory,

[1],

[2lor

[3].

©

Video

2

input

indicator

Indicates

the

selected

front

or

rear

video

2

inputs.

©

Video

monitor

indicator

The

indication

[1

appears

when

the

VIDEO

1

FUNCTION

key

is

pressed;

|2]/appears

when

the

VIDEO

2

key

is

pressed;

[TV]appears

when

the

TV

key

is

pressed.

©

PROTECTOR

indicator

Appears

when

the

protection

circuit

against

a

short-

circuit

is

activated.

©

ERASE

indicator

Appears

when

the

MEMORY

ERASE

key

is

pressed.

@

FM

IF

band

indicator

The

selected

FM

IF

band

is

graphically

displayed:

7—\

(wide)

or_/\

(normal).

©

ATT

(attenuatorVSIGNAL

(signal

strength)

indicator

Normally

the

volume

attenuation

level

is

indicated

in

dB.

When

the

METER

SELECT

key

is

pressed

in

TUNER

mode,

the

signal

strength

is

indicated

in

dB.

©

FM

level

indicator

The

FM

station

level

selected

by

the

FM

LEVEL

select

key

is

displayed.

@

Station

spectrum

display

The

frequencies

of

the

receivable

stations

located

by

station

searching

are

shown

by

the

squares.

When

a

station

is

tuned

in,

the

corresponding

square

flashes.

@

Memory

indicator

Appears

when

the

MEMORY

PRESET

key

is

pressed.

@

Function

indicator

Indicates

the

selected

program

other

than

broadcasts.

@

FM

ANTENNA

indicator

The

CATV

[A]

appears

when

the

FM

ANT-A

(CATV)

key

is

pressed;

[Bp]

appears

when

the

FM

ANT-B

key

is

pressed.

@

BALANCE

indicator

Indicates

the

relative

strength

of

the

volume

at

the

left

and

right

speakers.

@

TONE

indicator

aes

Graphically

shows

the

tone

control

characteristics.

A

straight

bar

graph

indicates

a

flat

frequency

response.

©

Power

output

spectrum

display

The

power

output

(in

wattage)

is

displayed

in

five

frequency

bands.

:

When

the

METER

SELECT

key

is

pressed,

the

“x

1/10”

indication

appears

to

indicate

that

the

scale

numbers

are

read

by

1/10

(i.e.

for

0.1,

read

0.01.)

@

SIGNAL

strength

meter

;

When

the

METER

SELECT

key

is

pressed

in

TUNER

mode,

the

received

signal

strength

is

indicated

in

five

steps.

—38—

Rear

6}

ANTENNA

terminals

AM

and

jt

(antenna

ground):

Connect

an

AM

antenna.

CATV

ANT-A

IN

(F-type):

Connect

an

FM

antenna

or

CATV

cable.

CATV

ANT-A

OUT

(F-type):

This

corinector

supplies

the

signals

connected

to

the

CATV

ANT-A

IN

connector

to

a

VCR,

TV

tuner

or

another

FM

tuner.

FM

ANT-B

(F-type):

Connect

an

FM

antenna.

STR-AV880__

STR-AV880

[28]

CONTROL

S

VISUAL

OUT

jack

Used

to

extend

the

utility

of

this unit

by

providing

for

the

connection

of

optional

video

equipment

which

will

be

available

in

the

future.

[30]

CONTROL

S

AUDIO

OUT

connector

Connect

to

the

CONTROL

S$

IN

or

[J

REMOTE

IN

connector

of

other

Sony

equipment

using

a

4-pin

flat

remote

control

cord

in

order

to

control

the

audio

system

using

the

RM-U880

Remote

Commander.

[31]

4

(phono

ground)

terminal

Connect

the

ground

wire.of

a

turntabie

system.

Note.

In

some

particular

MM

cartridges,

the

ground

for

signal

is

connected

to-the

ground

for

cartridge

body.

If

this

type

of

cartridge-should

be

installed

to

a

metal

cartridge

shell,

current

will

flow

through

the

tonearm

ground

in

a

loop

and

will

cause

hum

noise.

In

this

case,

disconnect

the

turntable

ground

wire

from

the

+,

terminal,

or

disconnect

the

ground

for

cartridge

body

from

the

ground

for

signal.

ground

for

cartridge

body

ground

for

signal

32]

MONITOR

VIDEO

OUT

jack

Connect

to

the

video

input

of

a

component

TV.

The

video

signal

selected

by

the

TV,

VIDEO

1

or

VIDEO

2

FUNCTION

key

and

the

F/R

key

is

output

here.

(33,

AC

OUTLETS

(SWITCHED)

These

are

used

to

power

other

audio

components

whose

power

consumption

is

less

than

the

wattage

indicated

on

the

outlets.

[34]

CD/AUX

(compact

disc/auxiliary)

IN

jacks

Connect

to

the

output

jacks

of

a

compact

disc

player

or

a

tape

deck

for

playback.

TO

RECEIVE

FM/AM

BROADCAST

Before

tuning,

select

the

speaker

system

with

the

SPEAKERS

selectors.

DIRECT

ACCESS

TUNING

When

you

know

the

frequency

of

the

station

to

be

received,

input

it

with

the

number

keys.

4

1

Depress

the

MAIN

POWER

switch

and

press

the

SYSTEM

POWER

switch.

;

2

Press

the

FM

ANT-A

(CATV),

FM

ANT-B

or

AM

key.

The

“0”

.

indication

will

blink.

3

Input

the

frequency

using

the

number

keys.

Exampies

FM

108.00

MHz

a

ea

De

ae

|

pM

ELL

wae

AM

1350

kHz

ye

acm

a

foe

4

Adjust

the

VOLUME

control

keys

to

your

preference.

Notes

on

AM

direct

access

tuning

¢

As

the

AM

tuning

interval

is

preset

at

the

factory

to

10

kHz,

you

need

not

input

the

last

digit

“O”

of

the

frequency

when

the

first

two

or

three

digits

are

input.

lf

you

change

the

10

kHz

AM

tuning

interval

to

9

kHz,

input

the

frequency

to

the

last

digit.

See

“How

to

change

the

AM

tuning

interval”

on

page

3.

STR-AV88O

STR-AV880__

If

you

input

a

wrong

frequency

;

e

Press

the

appropriate

band/antenna

select

key

again’and

input

the

correct

frequency.

¢

If

you

input

a

frequency

outside

the

receiver’s

frequency’

range

(FM

87.5

to

108

MHz;

AM

530

to

1,610

kHz),

the

figures

will

flash

in

the

display

window.

In

this

case,

press

the

appropriate

band/antenna

select

heya

and

INBUE

the

correct

frequency.

STATION

SEARCHING

Before

station

scan

tuning,

find

out

receivable

frequencies

of

stations

by

station

searching.

1

3

2

ie

iiss

as

ESE

ae

0

@@6

cece

de

1

Depress

the

MAIN

POWER

switch

and

press

the

SYSTEM

POWER

switch.

2

Press

the

FM

ANT-A

(CATV),

FM

ANT-B

or

AM

key.

The

“O”

indication

will

blink:

:

3

Press

the

SEARCH

START

key.

The

receiver

searches

receivable

stations

in

the

band

from

the

lowest

frequency

to

the

highest

frequency

and

the

stations

located

are

indicated

by

the

squares

on

the

station

spectrum

display.

Searching

will

stop

automatically

at

the

lowest

frequency

station

located.

;

or

o>

SN

0

97

‘

tt

or

soeFee

or

sf}

‘

98

Bee

Saat

‘TT

1

Opt

S90

92

94 96

98

100

12 Kt

06 KO

Mr

276

100

400

tk

ae

1

ie

00

900

1000

100

WOO

WoO

AME

TONE

BALANCE

VOLUME

FM

ANTENNA

STEREO

Go

!

cm

ee

OG

eee

Repeat

these

steps

for

each

band

(FM

and

AM).

Once

the

stations

are

located,

they

are

retained

in

memory.

When

only

a

few

FM

stations

or

none

located,

change

the

level

of

the

stations

to

MID

or

LOW

with

the

FM

LEVEL

key.

The

squares

indicating

the

stations

with

the

selected

level

will

appear

on

the

station

spectrum

display.

STATION

SCAN

TUNING

Once

all

receivable.

stations

in

your

area

are

located

by

station

searching,

you

can

select

the

desired

station

quickly

while

scanning

the

stations

located.

1

Press

the

FM

ANT-A

(CATV),

FM

ANT-B

or

AM

key.

The

“0”

indication

will

blink.

2

Input

any

frequency

within

the

band

using

the

number

keys.

3

Press

the

STATION

SCAN

key.

Press

the

“+.”

side

for

higher

frequencies

or

the

“—”

side

for

lower

frequencies.

Each

time

you

press

“+”

or

“—”,

a

higher

or

lower

frequency

station

will

be

tuned

in.

If

you

keep

the

key

depressed,

the

receivable

stations

will

consecutively

be

tuned

in

for

several

seconds.

Release

the

key

when

the

desired

station

is

received.

To

erase

the

memory

of

a

located

station

Tune

in

the

station

and

press

the

MEMORY

ERASE

key.

The

memory

of

the

station

will

be

erased

and

the

station

will

be

skipped

over

when

the

STATION

SCAN

key

is

pressed

later.

MEMORY

PRESETTING

Once

the

frequencies

of

the

stations

you

want

to

tune

in

are

memorized,

all

you

have

to

do

is

to

press

a

number

key.

A

total

of

10

stations

can

be

memorized,

one

to

each

number

key,

in

any

desired

sequence.

oo00

0000

‘0

©@

ooo0o0

oO

1

Tune

in

the

desired

station

following

the

procedure

described

in

“DIRECT

ACCESS

TUNING”

or

“STATION

SCAN

TUNING”.

For

an

FM

station,

make

sure

that

the

IF

band

and

FM

mode

settings

are

appropriate.

If

necessary,

change

the

settings

manually

by

pressing

the

FM

iF

BAND

key

and

FM

MODE

key.

These

settings

will

be

also

memorized.

2

Prags

the

MEMORY

PRESET

key.

The

[ii]

(memory)

indicator

will

appear

for

a

few

seconds.

~]

(M)

Memory

indicator

kHz

U

|

a

Li

|

eh

3

While

the

indicator

is

displayed,

press

the

desired

number

key.

The

number

of

the

pressed

key

will

appear.

The

frequency

is

now

memorized.

Key

number

|

SE

we

jt

¢

Es

ny

{

Ln

ie

Repeat

these

steps

for

each

number

key.

Notes

¢

if

the

memory

indicator

has.gone.off,

the

station

cannot

be

memorized.

Press

the

MEMORY.

PRESET

key

again

and

proceed

to

step

3.

¢

If

you

preset

another

station

to

a

key

on

which

you

have

already

preset

a

station,

the

first

station

will

be

erased.

You

cannot

erase

a

station

without

presetting

another

station.

'PRESET

TUNING

_

You

can

receive

a

station

only

by

pressing

one

of

the

number

keys

to

which

the

station

has

been

memorized.

Memory

of

the

last

station

received

This

receiver

includes

a

memory

circuit

to

remember

the

station

being

received

just

before

the

power

was

turned

off.

The

station

will

be

automatically

tuned

in

when

the

power

is

turned

on

again.

MEMORY

SCANNING

This

function

allows

you

to

quickly

hear

what

kind

of

programs

are

being

broadcast

by

the

memorized

stations.

When

you

press

the

MEMORY

SCAN

key,

the

memorized

stations

are

automatically

tuned

in

for

several

seconds

each.

To

stop

scanning,

press

the

appropriate

number

key.

STR-AV88O

TO

LISTEN

TO

PROGRAM

SOURCES

OTHER

THAN

BROADCASTS

For

details

on

connections,

see

the

connection

diagrams

on

pages

19

through

24.

Tape

deck

2

i

,

CD

player

s

a

6

1

Turn

on

the

receiver

and

connected

equipment.

2

Select

the

speaker

system

with

the

SPEAKERS

selectors.

3

Select

the

program

source

by

pressing

the

desired

FUNCTION

key

or

MONITOR

key.

4

When

the

VIDEO

2

FUNCTION

key

is

pressed,

select

the

front

or

rear

video

2

inputs

with

the

F/R

key.

5

If

the

MONITOR

indicator

lights

when

listening

to

a

program

source

other

than

tape

deck

2,

press

this

key

to

disengage

it.

6

start

the

program.

7

Adjust

the

VOLUME

control

keys

to

your

preference.

Cartridge

type

selection

(for

the

STR-AV880

only)

Press

the

CARTRIDGE

select

key

so

that

the

MC

(moving-

coil

type

cartridge)

or

MM

(moving-magnet

type

cartridge)

lights

according

to

the

cartridge

being

used

for

your

turntable

system.

STR-AV880

To

enjoy

surround

sounds

The

Surround

Sound

system

uses

a

technique

that

creates

an

atmosphere

peculiar

to

movie

theaters

and

concert

halls.

You

can

bring

the

surround

effect

of

movie

theaters

and

concert

halls

to

your

listening

room

simply

by

pressing

the

SURROUND

SYSTEM

key.

While

the

Surround

Sound.

system

is

engaged,

the

surround

system

indicator

lights

in

the

display

window.

To

disengage

the

system,

press

the

.

SURROUND

SYSTEM

key

again.

Surround

system

indicator

RECEIVING

FM

SIMULCAST

TV

PROGRAMS

By

connecting

a

component

TV

and

a

TV

tuner

or

VCR,

you

can

receive

FM

simulcast

TV

programs

(stereo

TV

sound

transmitted

from

an

FM

radio

station)

while

viewing

the

TV

program.

5

TVtuneror

VCR

|

iN

es

wae

sete

Secul

TV,

VIDEO

1

or

VIDEO

21N

Component

TV

MONITOR

1

Depress

the

MAIN

POWER

switch

and

press

the

SYSTEM

POWER

switch.

2

Press

the

TV,

VIDEO

1

or

VIDEO

2

key.

3

When

the

VIDEO

2

key

is

pressed,

select

the

front

or

rear

video

2

inputs

with

the

F/R

key.

4

Turn

on

the

component

TV:

5

Select

the

desired

TV

program

with

the

TV

tuner

or

VCR.

6

Press

the

FM/AM

key

of

the

receiver

and

tune

in

the

FM

simulcast

TV

program.

7

Adjust

the

VOLUME

control

keys

to-your

preference.

RECEIVING

FM

SIMULCAST

CABLE

TV

PROGRAMS

By

connecting

the

CATV

cable

to

this

receiver,

you

can

receive

FM

simulcast

cable

TV

programs

while

viewing

the

picture,

without

using

a

signal

splitter.

For

connection,

see

“CATV

cable

connection”

on

page

25.

1

Depress

the

MAIN

POWER

switch

and

press

the

SYSTEM

POWER

switch.

2

Turn

on

the

component

TV.

3

Press

the

TV,

VIDEO

1

or

VIDEO

2

and

FIR

key,

and

select

the

desired

CATV

program

with

the

TV

tuner

or

VCR.

4

Press

the

FM

ANT-A

(CATV)

key

and

tune

in

the

FM

simulcast

cable

TV

program

on

the

receiver.

5

Adjust

the

VOLUME

control

keys

to

your

preference.