Sony MGV-41E Manuale utente

MGV-41E

SERVICE

MANUAL

AEP

Model

French

Model

LKMA

CoM

SPECIFICATIONS

System

LCD

(Liquid

Crystal

Display)

Colour

Monitor

Picture

inches

measured

diagonally

approx.

8.2

6.2.cm

(3%

inches)

On-screen

display

LCO/TFT

active

matrix

method

Picture

element

112,

086

(479

234)

Lighting

system

Built-in

type

(small

fluorescent

tube)

Inputs/outputs

A/V

12-pin

termianl,

for

GV-U5E

PHONES

Stereo

minijack,

ohms,

for

earphones

Power

requirements

supplied

from

A/V

terminal

Power

consumption

3.5W

Operating

temperature

0°C

40°C

(32°F

104°F))

Storage

temperature

—

20°C

60°C

(—4°F

140°F)

Dimensions

Approx.

133

(w/h/d)

(5%

inches)

including

projecting

parts

and

controls

Weight

Approx.

340g

(12

02)

Supplied

accessories

Monitor

cable

(1)

Stereo

earphones

(1)

Carrying

case

(1)

Hood

(1)

Handstrap

(1)

Design

and

specifications

are

subject

change

without

notice.

Note

This

appliance

conforms

with

EEC

Directive

87/308/EEC

regarding

interference

suppression.

COLOR

MONITOR

ONY.

MICROFILM

TABLE

CONTENTS

Section

Title

Page

GENERAL

Location

Parts

and

Controls*

°c

°°

‘Connections

«*

ote

tte

ewe

*Playing

Back

the

Tapes*

et tt

ete

Watching

Programmese

sss

On-Screen

Displays

eee

ees

Using

Accessories

Supplied

and

Not

Supplied

DISASSEMBLY

9-1.

Removal

Lower

Cabinet

-*-

°°

sere

9-2.

Removal

RG-24

Board

-**

°°?

226

9-3.

Removal

Converter

Unit?

«>

see

9-4.

Removal

LCD

Modules

+++

creer

rere

9-5.

Removal

Control

Panel

«+

eee

ee ee

DIAGRAMS

3-1.

Block

Diagrams

> *

ee ee ee

PRINTED

WIRING

BOARDS

AND

SCHEMATIC

DIAGRAMS

4-1.

Semiconductor

Lead

Layouts

see

eee

ell

4-2.

Printed

Wiring

Boards

and

Schematic

Diagrams

RG-24

Board

642

JK-71

Board

4-3.

Waveformse

«et

Section

Title

Page

EXPLODED

VIEWS

----*--+--ssree:°19

ELECTRICAL

PARTS

LIST---+---->-+-

+20

ELECTRICAL

ADJUSTMENTS

7-1.

Preparation

for

Adjustment

-***

eee?

1-1-1.

Using

Instruments’

»--*

eee

7-1-2.

Connection

Instruments’

*****¢*°

7-2.

Power

Soure

Part

Checkingy

seers

7-3,

Contrast

Adjustment(RG-24

board)

+++

7-4.

Contrast

Adjustment(RG-24

board)

+--+

7-5.

Contrast

Adjustment(RG-24

board)

+ °

7-6.

Sub

Bright

Adjustment(RG-24

board)

°°

7-1.

White

balance

Adjustment(RG-24

board):

+ °

7-8.

fse

Adjustment(RG-24

board):

** +s

see?

7-9.

COM

Adjustment(RG-24

board)

+--+

7-10.

Character

Position

Adjustment(RG-24

board)

7-11.

Anti

PAL

Adjustment

1(RG-24

board)

+++

7-12,

Anti

PAL

Adjustment

2(RG-24

board)

+++

7-13.

Anti

PAL

Adjustment

3(RG-24

board)

+++

Adjusting

Parts

Location

Diagram

*>******

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

Look

for

parts

which,

though

functioning,

show

poorly-soldered

connections.

Check

the

entire

obvious

signs

deterioration.

Point

them

out

board

surface

for

solder

splashes

and

bridges.

the

customer

and

recommend

their

replace-

Check

the

interboard

wiring

ensure

that

ment.

wires

are

“pinched”

contact

high-wattage

Check

the

B+

voltage

see

the

values

resistors.

specified.

Look

for

unauthorized

replacement

parts,

par-

ticularly

transistors,

that

were

installed

during

repair..Point

them

out

the

customer

and

recommend

their

replacement.

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

MARK

DOTTED

LINE

WITH

MARK

THE

SCHEMATIC

DIAGRAMS

AND

THE

PARTS

LIST

ARE

CRITICAL

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

SHOWN

THIS

MANUAL

SUPPLEMENTS

PUB-

LISHED

SONY.

Supplied

Accessories

Monitor

cable

(1)

Da.”

Hood

(1)

Stereo

earphones

(1)

Carrying

case

(1)

Handstrap

{1}

ATTENTION

COMPOSANT

AYANT

RAPPORT

SECURITE!

LES

COMPOSANTS

IDENTIFIES

PAR

UNE

MARQUE

SUR

LES

DIAGRAMMES

SCHEMATIQUES

LISTE

DES

PIECES

SONT

CRITIQUES

POUR

SECURITE

FONCTIONNEMENT.

REMPLACER

CES

COM-

POSANTS

QUE

PAR

DES

PIECES

SONY

DONT

LES

NUMEROS

SONT

DONNES

DANS

MANUEL

DANS

LES

SUPPLEMENTS

PUBLIES

PAR

SONY.

SECTION

GENERAL

This

section

extracted

from

instruction

manual.

Location

ro)

Parts

Vato

Controls

Refer

the

pages

indicated

for

details.

Front

Rear

POWER

ON/OFF

switch

Turns

and

off

the

power

the

GV-USE

8mm

video

cassette

recorder

and

the

TGV-1E/1B

tuner

timer

unit

well

the

MGV-41E.

BRIGHT

(brightness)

control

COLOUR

control

DATA

SCREEN

ON/OFF

button

COUNTER

RESET

button

(pause)

button

How

use

the

stand

<@4

(rewind)

button

(fast

forward)

button

(play)

button

(stop)

button

Adjust

the

angle

the

screen

that

the

picture

most

visible.

Screw

hole

for

the

arm

stand

LCO

screen

(not

supplied)

AIV

(audio/video

input)

terminal

(12-pin)

MEGA

BASS

switch

VOL

(volume)

control

PHONES

jack

(stereo

minijack)

oxeyalar-veg

tre)

ary

For

Tape

Playback

Use

the

supplied

monitor

cable

connect

the

A/V

terminal

(12-pin)

the

MGV-41E

LCD

colour

monitor

and

the

A/V

OUT

terminal

(12-pin)

the

GV-U5E

8mm

video

cassette

recorder.

Before

connecting,

check

that

the

power

the

GV-USE

turned

off.

Stereo

earphones*

How

insert

remove

the

cable

PHONES

Monitor

cable

A/V

terminal

(supplied)

(12-pin)

OUT

terminal

(12-pin}

GV-U5E

Holding

the

plug

CAMERA

TUNER

terminal

PHONES{

Stereo

earphones

Adjust

the

volume

with

the

GV-US5E.

PHONES

cable

You

can

listen

the

sound

connecting

earphones

both

either

the

MGV-41E

the

GV-USE.

TUNER

OUT

TGV-1E/18

OUT

eable

Power

Source

power

adaptor

Battery

packs

pack

The

power

the

MGV-41E

supplied

from

the

GV-USE.

Install

the

power

source

the

GV-USE.

(For

details,

refer

the

operating

instructions

the

GV-U5E.}

Playing

Back

the

Tapes

There

are

buttons

with

the

same

function

both

the

MGV-41E

LCD

colour

monitor

and

the

GV-USE

8mm

video

cassette

recorder.

You

can use

either

the

two.

Turn

the

power

on,

The

power

the

GV-USE

also

turned

on.

MGV-41E

Slide

POWER

the

right.

ON/OFF

1304

While

pressing

the

greer

bulton,

slide

POWER

the

right.

(The

switch

returns

automatically.)

Insert

recorded

tape

into

the

GV-US5E.

Press

the

button

start

playback.

PLAN

Adjust

the

volume.

increase

volume

When

listening

through

the

earphones

connected

the

GV-U5E,

adjust

the

volume

with

the

VOL

control

the

GV-U5E.

decrease

volume

stop

playback

Press

the

button.

rewtnd

the

tape

Press

the

button.

advance

the

tape

Press

the

button.

turn

the

power

off

MGV-41E

GV-U5E

T_™

cauene

ttn

oor?

POWER

ON/OFF

Slide

POWER

While

pressing

the

green

the

right.

button,

slide

POWER

the

right.

(The

switch

returns

automatically.)

ous

Playback

Modes

stop

the

tape

for

moment

—

Still

picture

Press

the

button

during

playback

resume

normal

playback,

press

the

button

again

the

button.

The

pause

automatically

released

after

minutes

and

the

unit

enters

the

stop

mode.

locate

particular

point

while

viewing

the

picture

—

Picture

———}—

Press

the

®®

button

the

button

during

playback

view

the

picture

high

speed

—

picture

While

rewinding,

press

the

button.

While

fast

forwarding,

press

the

button.

Horizontal

bands

appear

the

screen.

When

you

release

the

button,

the

mode

resumes.

Notes

Horizontal

bands

will

appear

the

still,

picture

and

picture

modes.

sound

heard.

still

picture

recorded

the

mode

will

have

noise

than

the

mode.

There

are

buttons

with

the

same

function

both

the

MGV-41E

LCO

colour

monitor

and

the

GV-U5SE

8mm

video

cassette

recorder.

You

can use

either

the

two.

On-Screen

Displays

Display

the

Data

the

GV-U5E

8mm

Video

Cassette

Recorder

display

the

following

indications

the

GV-US5E

8mm

video

cassette

recorder

the

screen,

press

the

DATA

SCREEN

ON/OFF

button

the

MGV-41E

LCD

colour

Turn

the

power

on,

The

power

the

GV-US5E

and

the

TGV-1E/1B

tuner

timer

unit

also

turned

on.

the

right.

MGV-41E

Slide

POWER

slide

POWER

the

night.

(The

GV-U5E

—

poweR

CAMERA

YTR

ONOFF

While

pressing

the

green

button,

switch

returns

automatically.)

display

programme,

slide

the

LINE

switch

CAMERA/TUNER

the

GV-USE.

CAMERA

TUNER®

ouTe

LINE

Select

the

desired

programme

with

the

—/+

buttons

the

TGV-1E/18.

(&!

Adjust

the

volume.

control

the

GV-U5E.

turn

the

power

off

MGV-41E

The

power

the

GV-USE

and

TGV-1E/1B

also

turned

off.

POWER

ON/OFF

Stide

POWER

the

right.

When

listening

through

the

earphones

connected

the

GV-U5E,

adjust

the

volume

with

the

VOL

increase

volume

decrease

volume

GV-USE

POWER

aie

cawenae

2vTH

ONOFF

While

pressing

the

green

bution,

slids

POWEA

switch

the

right.

(The

swilch

returns

automatically.)

monitor.

delete

them,

press

the

button

again.

DATA

SCREEN

ON/OFF

button

loput

[LINE{SPH—

Recording

mode

[0:24:48}}—

Counter

Tape

transport

operation

Alarm

indications

the

screen

the

MGV-41E:

some

trouble

occurs

inside

the

GV-USE,

the

following

alarm

indications

appear

Screen

Indications

Meaning

BATTERY

Battery

will

run

out

(flashing

slowly)

soon.

BATTERY

Battery

has

run

out

(flashing

quickty)

completely.

DEW

Moisture

condensation

dect

has

occured.

The

indication

appears

here.

CLOG

The

head

clogged.

On-Screen

Displays

Display

the

Data

the

TGV-1E/1B

Tuner

Timer

Unit

display

the

following

information

the

TGV-1E/iB

tuner

timer

unit

the

screen,

press

the

DISPLAY

button

the

TGV-1E/1B.

delete

the

indications,

press

the

button

again.

Current

time

‘Programme

number

system

When

the

DISPLAY

button

pressed

while

you

are

selecting

the

channel

with

the

—/+

buttons,

the

VHF

UHF

channel

range

appears

the

screen.

display

the

data

the

GV-USE

8mm

video

cassette

recorder

together

with

those

the

TGV-1E/1B

the

screen,

press

the

DATA

SCREEN

ON/OFF

button

the

MGV-41E

LCD

colour

monitor.

TGV-1E/1B

Display

button

During

channel

presetting

During

timer

setting

for

recording

17:30

TIME

OFF

TIME

Wine

Using

Accessories

Supplied

and

Not

Supplied

Attach

the

Handstrap

(supplied)

Handstrap

Installation

hole

for

handstrap

Attach

the

Hood

(supplied)

When

using

the

MGV-41E

outdoors

the

car,

attach

the

hood

make

the

picture

visible.

Installation

The

hood

also

used

for

protecting

the

screen

folding

below:

Fasten

the

hooks.

avoid

damaging

the

hood,

Attach

the

Velcro

tapes

loosen

the

Velcro

tapes.

Use

the

MGV-41E

Mon

the

8mm

Video

Camera

MGV-41E

VMC-120

adaptor

(not

supplied)

video

camera

Se”

MGV-41E

SECTION

DISASSEMBLY

Note:

the

disassembly

procedure

the

numerical

order

given.

2-1.

REMOVAL

LOWER

CABINET

screw(M2

two

screws(M2

@/lower

cabinet

three

screws(M2

2-2.

REMOVAL

RG-24

BOARD

@two

screws(P2

@connector

RG-24

board

flat

cable

(1.O0MM

pitch)

(76P)

SS)

connector

RG-24

board

(CNOO2

7P)

2-3.

REMOVAL

CONVERTER

UNIT

@converter

unit

2-4.

REMOVAL

LCD

MODULE

2-5.

REMOVAL

CONTROL

PANEL

screw(P2

ground

plate

LCD

lower

plate

control!

panel

MGV-41E

3-1.

BLOCK

DIAGRAM

SECTION

DIAGRAMS

BACK

LIGHT

REG +5V

REG

+13V

(

CONVERTER

REG

-8V

REG

-20V

POWER

CONT

Voo

POWER

CONT

RESET

LCD

POWER

LCD

POWER

SW.BLOCK

OATA

ON/OFF

POWER

DATA

ON/OFF

COUNTER

RESET

COUNTER

RESET

PAUSE

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MGV-41

SECTION

RG-24(VIDEO,

AUDIO,

LCD

DRIVE)

JK-71(HEADHPONES

JACK)

PRINTED

WIRING

BOARDS

AND

SCHEMATIC

DIAGRAMS

Gam

SOAAGICOMPONENT

SIDE)

4-1.

SEMICONDUCTOR

LEAD

LAYOUTS

4-2.

PRINTED

WIRING

BOARDS

AND

SCHEMATIC

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B-13

D102

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D109

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D-13

D102

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D103

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D109

8-719-400-18

DIODE

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8-719-951-22

DIODE

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1C101

C-6

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8-719-914-44

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TRANSISTOR

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0005

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TRANSISTOR

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0006

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TRANSISTOR

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0007

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TRANSISTOR

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TRANSISTOR

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TRANSISTOR

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TRANSISTOR

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TRANSISTOR

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TRANSISTOR

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TRANSISTOR

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TRANSISTOR

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Q101

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TRANSISTOR

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For

printed

wiring

boards.

Through

hole.

Pattern

from

the

side

which

enables

seeing.

Pattern

the

rear

side.

Circled

numbers

refer

waveforms.

Caution:

Pattern

face

side:

Parts

the

pattern

face

side

seen

from

(Conductor

Side)

the

pattern

face

are

indicated.

Parts

face

side:

Parts

the

parts

face

side

seen

from

(Component

Side)

the

parts

face

are

indicated.

NES

JACK)

BOARD

JK=

JI0l

PHONE

oo)

-639-346-

RG=-

BOARD(CONDUCTOR

SIDE)

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