Sony SL-2710 Manuel utilisateur

SERVICE

MANUAL

Canadian

Model

BETA

III/TI

RECORD

BETAMI/II/I

PLAYBACK

August,

1983

CHASSIS

Refer

separate

adjustment

SPECIFICATIONS

manual,

Part

number

9-972-261-81,

System

inputs

and

outputs

Video

recording

system

Video

input

Phono

jack

(1)

Rotary

two-head

helical

scanning

Vp-p

20.5

pp,

ohms,

unbalanced,

Audio

recording

system

sync

negative

Beta

hi-fi

system

channels)

Video

output

Phono

jack

(1)

(Recording

the

conventional

audio

track

40.5

p-p,

ohms,

unbalanced,

monaural)

sync

negative

Video

signal

EIA

standard,

NTSC

color

Audio

input

Phono

jacks

(2)

Usable

cassettes

Cassettes

having

the

mark

[BD

—10

dBs

0.775

rms),

than

(BM:

1.33

cmisec.

ohms

[BM:

2.0

cmisec.

Audio

output

Phono

jacks

(2)

[B1:

4.0

cmisec.

{only

for

playback)

-10 GBs

(at

load

Impedance

ohms)

Maximum

recording

time

than

ohms:

TBM:

hours

‘Camera

pause

‘Special

minijack

(1)

TBI:

hours

min.

Mircophone

input

Minijack

(1)

(with

Sony

L-830

cassette}

~60

dBs,

for

low-impedance

microphone

Fast-forward

and

rewind

time

Headphone

jack

Stereo

minijack

(1)

Approx.

34%

min.

(L500)

-26

dBs,

ohms

Audio

frequency

response

Beta

hi-fi

OFF

[BM

50~-10,000

—

Continued

page

—

FRM:

$0-7,000

Bata

hi-fi

MPX

FILTER

OFF

FBIL.BMI:

20,000

Wow

and

ftutter

Beta

hi-fi

Less than

0.005%

WRMS

Dynamic

range

Beta

hi-ti

than

Tuner

section

Channel

coverage

VHF

channels

2-13

UHF

channels

Beta

CATV

channels

(A-8

W+58,

See

page

10.)

VIDEO

VHF

output

signal

Channel

(selectable)

ohms,

unbalanced

Antenna

75-ohm

antenna

terminal

for

CASSETTE

REC

RDER

ANTICABLE,

CONV

and

AUX

"MICROFILM

Timer

section

Clock

Time

indication

Timer

setting

Quartz:iock

system

42-hour

cycle

Only

start

and

stop

recording

programs

can

set

over

days

max.

Self-charging

battery

incorporated

Back-up

duration:

minutes

one

time

(after

the

battery

has

been

charged

least

hours.)

Power

back

General

Power

requirements

120

£10%,

20.5%

Power

consumption

(VCR)

(max.

with

accessories)

outlet

Unswitched

max.

400

Operating

temperature

5°C

40°C

(41°F

104°F)

Storage

temperature

-20°C

+65°C

(4°F

149°F)

Dimensions

Approx.

430

105

375

(wihid)

(17

444

14%

inches)

inct,

projecting

parts

and

controts

Weight

Approx.

11.8

(26

Ib)

net

Accessories

supplied

Betamax

video

cassette

tape...

7-ohm

coaxial

cable

with

F-type

connectors

m,6

feet)

Antenna

connector

EAC-25

Connecting

cord

RK-744

Remote

Commander

RMT-318

with

two

size

batteries

wereracesy

Design

and

specifications

subject

change

without

notice.

aaa

MODEL

!DENTIFICATION

—

Specification

Label

—

Model

MODEL_NO.

i103.

G-Oeuess

ie-yale)

VIDEO

CASSETTE

RECORDER

120V

6OHz

SOW

ECC.

ID:AKB96ASL-2710

SONY

CORPORATION

MADE

JAPAN.

COMPLIES

WITH

FCC.

RULES

PART

RECEIVED.

INCLUOING

INTERFERENCE

THAT

MAY

CAUSE

UNDESIRED

OPERATION.

3-682-083

Canadian

Model

EL.

SONYesetamar

VIDEO

CASSETTE

RECORDER

120V

SOW

MADE

JAPAN

-084-01

SONY

CORPORATION

SAFETY

CHECK-OUT

After

correcting

the

original

service

problem,

perform

the

following

safety

checks

before

releasing

the

set

the

customer:

Check

the

area

your

repair

for

unsoldered

poorly-soldered

connections,

Check

the

entire

board

surface

for

solder

splashes

and

bridges.

Check

the

interboard

wiring

ensure

that

wires

are

“pinched”

contact

high-wattage

resistors.

Look

for

unauthorized

replacement

parts,

par-

ticularly

transistors,

that

were

installed

during

repair.

Point

them

out

the

customer

and

recommend

their

replacement.

Look

for

parts

which,

though

functioning,

show

obvious

signs

deterioration.

Point

them

out

the

customer

and

recommend

their

replace-

ment.

Check

the

line

cord

for

cracks

and

abrasion.

Recommend

the

replacement

any

such

line

cord

the

customer.

Check

the

B+

voltage

see

the

values

specified,

Check

the

antenna

terminals,

metal

trim,

“metallized”

knobs,

screws,

and

all

other

exposed

metal

parts

for

leakage.

Check

leakage

described

below.

Exposed

Metal

Parts

Set

O.15uF

1.5k2

|_£

voltmeter

(0.75

“=

Earth

Ground

Fig.

Using

voltmeter

check

leakage.

SAFETY-RELATED

COMPONENT

WARNING

COMPONENTS

IDENTIFIED

SHADING

AND

MARK

THE

SCHEMATIC

DIAGRAMS,

EXPLODED

VIEWS

AND

THE

PARTS

LIST

ARE

CRITICAL

SAFE

OPERATION,

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

SHOWN

THIS

MANUAL

“IN

SUPPLEMENTS

PUBLISHED

SONY.

CIRCUIT

ADJUSTMENTS

THAT

ARE

CRITICAL

SAFE

OPERATION

ARE

IDENTIFIED

THIS

MANUAL.

THESE

PRO-

CEDURES

WHENEVER

CRITICAL

COMPONENTS

ARE

REPLACED

IMPROPER

OPERATION

SUSPECTED.

LEAKAGE

TEST

The

leakage

from

any

exposed

metal

part

earth

ground

and

from

all

exposed

metal

parts

any

exposed

metal

part

having

return

chassis,

must

not

exceed

0.S5mA

(500

microampers).

Leakage

current

can

measured

any

one

three

methods.

commercial

leakage

tester,

such

the

Simpson

229

RCA

WT-S40A.

the

manufacturers’

instructions

use

these

instru-

ments.

battery-operated

milliammeter,

The

Data

Precision

245

digital

multimeter

suitable

for

this

job.

Measuring

the

voltage

drop

across

resistor

means

VOM

battery-operated

volt-

meter.

The

“limit”

indication

0.75

analog

meters

must

have

accurate

low-

voltage

scale.

The

Simpson

250

and

Sanwa

SH-63Trd

are

examples

passive

VOM

that

suitable.

Nearly

al]

battery

operated

digital

multimeters

that

have.a

range

are

suitable.

(See

Fig.

ATTENTION

COMPOSANT

AYANT

RAPPORT

SECURITE!!

LES

COMPOSANTS

IDENTIFIES

PAR

TRAME

UNE

MARQUE

SUR

LES

DIAGRAMMES

SCHE-

MATIQUES,

LES-VUES

EXPLOSEES

LISTE

DES

PIECES

SONT

CRITIQUES

POUR

SECURITE

FONCTIONNEMENT.

REMPLACER

CES

COMPO-

SANTS

QUE

PAR DES

PIECES

SONY

DONT

LES

NUMEROS

SONT

DONNES

DANS

MANUEL

DES

SUPPLEMENTS

PUBLIES

PAR

SONY.

LES

REGLAGES

IRCUIT

QUI

SONT

CRITIQUES

POUR

SECU-

RITE

FONCTIONNEMENT

SONT

IDENTIFIES

DANS

MANUEL.

SUIVRE

LES

PROCEDURES

QUAND

LES

COMPOSANTS

Chi

QUES SONT

REMPLACES

FONCTIONNEMENT

IMPROPRE

EST

SUSPECTE.

—3—

TABLE

CONTENTS

Section

Title

GENERAL

1-1,

Location

and

Function

Parts

and

Contrats

1-2,

Open/Ciose

the

Front

Compartment...

1-3.

New

Full-Feature

Beta

Hi-Fi

Video

Cassette

Recorder.

1-4,

Setting

the

Ciock

1-5.

How

Select

Channels

1-6,

Programmable

Antenna

Switch

4-7,

Channel

Presetting

4-8.

How

Record

Programs

1-9.

Simulcast

Recording.

. .

1-10.

How

Playback

Tape.

. .

ens

1-11,

Selection

Playback

Sound

......

4-12,

Timer-Activeted

Recording

.......

1-13,

Quick

Timer

Recording

........,

4-14,

Recording

Level

Adjustment

1-15,

Using

the

Time

Counter

wee

1-16.

Dubbing

Audio...

1-17.

Start

Recording

from

Particular

Point

. .

1-18,

Tape

Copy

4-19,

Repair

Method,

for

Hybrid

Circuit

Block

1-20.

Handling

Precautions

for

MOS

ICs.

. .

DISASSEMBLY

AND

REPLACEMENT

2-4.

Front

Panel

Removal...

....-5.5-

wee

2-2,

Pocket

Block

Assembly

Removal.

. .

2-3,

Power

Block

Removal...

2-4,

TI-1

Board

Removal

2-5,

AU-6

Board

Removal

and

AF-2

Board

Check

246,

VI-2

Board

Removal

2.7,

Timer

Block

Removal...

2-8.

Inside

Views.

.......-

bee

eee

BLOCK

DIAGRAMS

3+,

Circuit

Boards

Location...

62...

eee

3-2.

Video

System

Block

Diagram

3-3.

Video

Block

Diagram

3-4,

Video

Chroma

Block.

Diagram...

. .

3-5.

System

Contro!

Block

Diagram

{1).......

3-6.

System

Control

Block

Diagram

(2}......-.

Page

Section

Title

Page

3-7.

System

Control

Circuit

and

Video

Circuit

Inndbrtsce

wre

Sted

aatevite

sdsshied«

caseetayaes

3-8.

System

Control

Circuit

and

Servo

Circuit

Writertiom

sss

ie-ysdic,

costar

yeckas

At hg

eanrery

3-9,

System

Control

Circuit

and

Ree!

Motor

Control

Circuit

Interface.

3-10.

System

Control

Circuit

and

Mechanism

Block

LRSEEDOM

oles

Groth

oapa,a

ype

ees

3-11,

System

Control

Circuit

and

Its

Peripheral

Circuit

Interface...

2...

‘

tee

3-12,

System

Control

Circuit

and

Audio

Circuit

Interface...

3-13.

System

Control

Circuit

and

Timer/Tuner

Circuit

Interface,

3-44.

Servo

Block

Diagram.

3-15.

Capstan

Phase

System

Timing

Chart

(REC

Mode)...

.....

Tanda

ted

Eats

3-16.

Capstan

Phase

System

Timing

Chart

(PB

Mode}.

cece

eens

3-17,

Capstan

Speed

System

Timing

Chart.

3-18.

Drum

Phase

System

Timing

Chart

3-19.

Reiationship

between

Motor

Speed

and

PWM...

eee

Boon

see

3-20.

Drum

Speed

Phase

System

Timing

Chart,....

3-21,

Circuit

Timing

Chart...

6.4.60.

-6

3-22.

PG-A,

PG-B,

PG-S

Timing

Chart.

. :

3-23.

PG-A,

PG-S

Timing

Chart

(REC/PB)

3-24.

CTL

Circuit

Timing

Chart...

. .

3-25.

Pause

Timing

Chart........

3-26.

Audio

Level

Diagram.

......-

3-27.

Audio

Block

Diagram

(1)

6.4... oheaes

3-28.

Audio

Block

Diagram

(2)...

3-29.

Tuner

Block

Diagram...

ier

rane

3-30.

Timer

Block

Diagram.

6...

sree

eee

3-31.

Power

Supply

Block

Diagram...

6.650

Section

Title

Page

SCHEMATIC

DIAGRAM

AND

PRINTED

WIRING

BOARDS

44,

Fram

Schematic

Diagram

......-.-...-

4-2.

HA-Sand

Vi-2

Boards...

6.0.0.0

-0006

43:

RD-6,

RD-9,

$$-19,

TR-11,

LM-8,

AU:

Ree!

Motor

and

Capstan

Motor

Boatds.

...

4-4,

FR-8, CS-3, CS-4,

JK-5,

88:19

and

S$-21

Boards...

aera

45,

PK-2,

MJ-2,,AU-5,

HP-4.and

RV-9

Boarday"s";

46.

AF:2

Board

47,

TU44,

TH,

PK:

Boards

7203

48.

PC-6,

PC-7;,PC-8.and

PC-1

4-9,

Semiconductors.

4-10,

UHF/VHF

Tuner

Schematic

Diagram

....

.EXPLODED

VIEWS

5-1.

Cabinet

Assembly...

5-2,

Front

Panel

Assembly

. .

5-3.

Timer

Block

Assembly.

. . .

5-4.

Power

Block

Assembly.

. .

5-5,

Main

Board

Assembly...

5:6.

Front

Assembly.

5:7.

Chassis

Assembly

(1).

5-8.

Chassis

Assembly

(2),

5-9,

Chassis

Assembly

(3)

5-10.

Chassis

Assembly

(4)

5-11.

Chassis

Assembly

(5)

. .

5-12,

Drum

Assembly.

5-13,

Chassis

Assembly

(6}

5:14,

Reel

Chassis

Assembly

5:15.

Chassis

Assembly

(7).

ELECTRICAL

PARTS

LIST........

REMOTE

COMMANDER

RMT-318:.

3.93

118.

123

128

SECTION

GENERAL

1-1,

LOCATION

AND

FUNCTION

PARTS

AND

CONTROLS

Display

window

Look-through

window

REMOTE

SENSOR

Tuning

compartment

Cassette

compartment

and

EJECT

button

CHANNEL

(AMIPM)

buttons

POWER

switch

and

tamp

Channel

number

buttons:

LEVEL

contro!

HEADPHONES

jack

(clear)

button

RECORD

switch

and

lamp

AUX

(WEEK

AFTER

NEXT)

button

Tape

transport

buttons

REC

LEVEL

control

RESET

button

PROGRAM

SELECT

button

and

lamp

TAPE

RETURN

button

Behind

front

panel

Beta

hi-fi

select

switch

Audio

track

select

switch

TIMER

SET

button

BETA

HI-FI

switch

button

MIC

jack

TIMER

REC

ON/OFF

REC

MODE

selector

button

Input

select

switch

RACKING

controi

DIMMER

switch’

QUICK

TIMER

button

DUB

button

BACK

button

AEC

BALANCE

control’

CHECK

button

CLOCK

button

Rear

panel

OUT

terminal

‘MPX

(multiplex)

output

jack

OUT

(outlet)

terminals

UNIT

channel

select

switch

VIDEO

IN/PCM

jack

VIDEO

OUT/PCM

OUT

CAMERA

PAUSE

jack

CAPTIONS/PCM

switch.

AUDIO

LINE

jacks

AUDIO

LINE

OUT

jacks

SHARPNESS

controls:

1-2,

OPEN/CLOSE

THE

FRONT

COMPARTMENT

Teclose

While

pressing

the

side’

button,

oper.

< $

the

compartment.

Puil

open.

1-3.

NEW

FULL-

-FEATURE

BETA

HI-Fl

VIDEO

CASSETTE

RECORDER

High

quality.

sound

‘eproduction

with

low

noise,

minimum

wow

and

flutter,

wide

dynariic

range

and.

flat

frequency

response

is:

possible

thanks'to

the

Beta

hi-ti

recording

system.

Look-through

window,

observe

tape

transport

and

the

cassette

label.

169

channels

{including

CATV

channels)

are

selectable.

Easy

selection

any

channel

your

favorite

preset

channels,

using

the

channel

number

buttons

the

—/+:

buttons.

You

can

easily

locate

any

point

‘ona

tape

for

repeat

viewing

particular

scene.

Space-saving

front

design.

Easy

clockitimer

setting

using

channel

number

buttons.

Double-speed

picture

with

double-speed

sound

You

are

longer

restricted

the

program

schedule.

Recording

may

started

any

Noiseless

freeze

picture

time

within

weeks

(maximum),

Recording

smoother

and

pairs

turn-on

and

transitions

between

turn-off

times

can

set.

scenes

with

the

record

pause

function

You

can

enjoy

stereo

recorded

tapes

and

bilingual

program

tapes,

selecting

the

ianguage.

Manually

adjustable

recording

level

You

can

add

new

audio

previously

recorded

tape.

1-4.

SETTING

THE

CLOCK

The

clock

can

set

with

the

power

cord

plugged

in,

even

when

the

power

not

turned

on.

buttons

and

button

CLOCK

button

Ghannet

number

(clear)

button

OFT

TP)

aan

{y=

Example:

set

the

clock

7:30

p.m.

Monday.

Press

Look,

os0t

tne

day

the

week

Press

NEXT.

Press

(clear).

@Select

PM,

and

set

the

time,

Press

NEXT.

The

clock

now

starts

operating,

showing

the

correct

time,

12:00...

midnight

The

upper

dot

blinks

during

the

first

half

and

the

lower

during

the

second

half

each

minute.

Brightness

the

time

display

reduce

the

brightness

the

time

display,

set

the

DIMMER

switch

DIM.

DIMMER

15,

HOW

SELECT

CHANNELS

You

can

select

the

desired

channel

Pressing

the

appropriate

channel

number.buttons,

scanning

higher

lower

among

the

prememorized

channels

with

the

CHANNEL

—/+

buttons,

This

recorder

preset

the

factory

receive

VHF

channels

through

with

the

-/+

buttons.

add

UHF

channels

CATV

channels,

erase

inactive

channels

see

page

71.

WPnVeSTTIN

Using

the

-++

buttons

Present

channel

For

higher-numbered

channels,

press

the

button.

For

lower-numbered

channels,

press

the

button,

Using

the

channel

number

buttons

For

channels

through

press

the

button

first.

ex.

select

VHF

channe!

ex.2)

select

UHF

channel

you

select

incorrect

tens-digit,

forget

first

press

for

channels

through

wait

about

two

seconds

that

the

number

display

recalled,

press

the

button.

SELECT

CATV

CHANNELS

addition

normal

broadcast

reception

VHF

channels

2-13

and

UHF

channels

83,

this

recorder

receives

CATV

channels.

get

the

desired

CATV

channel,

set

the

NORMALICATV

selector

CATY,

refer

the

following

chart

and

select

the

corresponding

number

this

recorder.

the

tuning

compartment

Number

this

recorder

NORMALICATY

selector

CATV

A-8 A-7 A-6 A-5

A-~4

A-3.8-2

Corresponding

CATV

channel

E F

i]s

Kot

ee Ee

MNO

@.R

[Wet

weg]

AA BB

BHO

EEA

RMA

WHS

WHE

WH?

W+8

WHS

W481

WH12

WHS

W+I4

15)

We18

WcT

W420

W+21

W422

W425

WwH26

W427

W+28)

UUW

XxXyye

W220 W430

WH31

W432 W433

W946

WSS

W436

WH37 W438

+99

pela

AAR

Lcd

cla

ttAaaiie

Red

Gal

hdc

nhtceoedhbbted

DReHMMAR

RARE

a2.

W464.

Wed

W449 W450

WHS

W453

W454]

lW-+58

We56

W457

W458

Most

CATV

systems

use

letters

designate

channels

but

some

use

numbers.

tune

numbered

channel,

select

the

same

number

the

recorder.

Not

all

CATV

channels

fisted

will

active

your

particular

system.

Check

with

your

focal

cable

company

your

nearest

Sony

dealer

for

comptete

information

the

available

chan-

nels

and

the

type

cable

system.

4-6.

PROGRAMMABLE

ANTENNA

SWITCH

You

can

preset

this

video

cassette

recorder

switch

from

direct

reception

from

the

ANTIGABLE

terminal

reception

looped

through

optional

captions

decoder

using

the

AUX

button

the

front

control

panel

your

Remote

Commander.

CONNECTING

CAPTIONS

DECODER

FOR

RECORDING

CAP-

TIONED

PROGRAMS

VHF/UHF

antenna

CATV

750hm

coaxial

cable

Captions.

decoder

TO.

PRESET

THE

OUTPUT’\CHANNEL

THE

CAPTIONS

‘

DECODER

receive

captioned

programs

from

the

decoder

connected

the

AUX

terminal,

select

the

output

channel

number

the

decoder,

channel

channet

Press

the

AUX

PRESET

button.

Channel

number

“04”

will

blink

the

display.

the

output

channel

the

decoder

channel

press

the

channel

number

button

and

that

"03"

blinks.in

the

display.

the

out-

put

channel

the

decoder

is’other

than

channels

the

procedure

above

and

select

the

appropriate

channel.

ees

sec:

preset

Channel

preset.

after

sec.

‘Once

you

preset,

you

can

receive

captioned

program.

from

the

AUX

terminal

simply

pressing

the

AUX

button,

whether

the

NOR.

MALICATY

select

switch

set

NORMAL

CATV.

The

channel

display

wilt

show

“PP”

(preset

program).

CHANNEL

receive

captioned

program

the

even

when

the

recorder

turned

off,

press

the

AUX

button

that

the

“PP”

will

appear

the

display

window.

Autres manuels pour SL-2710

Ce manuel convient aux modèles suivants

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