Sony BVF-V20W Manuale utente

SONY.

ELECTRONIC

VIEWFINDER

BVF-V20W

BVF-V20WCE

MAINTENANCE

MANUAL

2nd

Edition

(Revised

Serial

No.

11261

and

Higher

(BVF-V20W)

Serial

No.

42441

and

Higher

(BVF-V2OWCE)

ASE

LOVLay

Wi,

V-EARBATCT.

Ha,

LOVGMAP

WARRANT

RECRT,

AR,

BERETS

ERBCAR,

HRICDEMSTEMSVET.

ESWSED,

V-ERBL-AY

ERUIERMAOSTRA

SES,

A\WARNING

This

manual

intended

for

qualified

service

personnel

only.

reduce

the

risk

electric

shock,

fire

injury,

not

perform

any

servicing

other

than

that

contained

the

operating

instructions

unless

you

are

qualified

so.

Refer

all

servicing

qualified

service

personnel.

A\WARNUNG

Die

Anleitung

ist

nur

fiir

qualifiziertes

Fachpersonal

bestimmt.

Alle

Wartungsarbeiten

dirfen

nur

von

qualifiziertem

Fachpersonal

ausgefihrt

werden.

die

Gefahr

eines

elektrischen

Schlages,

Feuergefahr

und

Verletzungen

vermeiden,

sind

bei

Wartungsarbeiten

strikt

die

Angaben

der

Anleitung

befolgen.

Andere

als

die

angegeben

Wartungsarbeiten

diirfen

nur

von

Personen

ausgefiihrt

werden,

die

eine

spezielle

Befahigung

dazu

besitzen.

AVERTISSEMENT

manual

est

destiné

uniquement

aux

personnes

compétentes

charge

l’entretien.

Afin

réduire

les

risques

décharge

électrique,

d’incendie

blessure

n’effectuer

que

jes

réparations

indiquées

dans

mode

d’emploi

moins

¢’étre

qualifié

pour

effectuer

d'autres.

Pour

toute

réparation

faire

appel

une

personne

compétente

uniquement.

X-RAY

RADIATION

WARNING

sure

that

parts

replacement

the

high

voltage

block

and.

adjustments

made

the

high

voltage

circuits

are

carried

out

precisely

accordance

with

the

procedures

given

this

manual.

BYF-VaoWvZOWCE

Table

Conients

Manual

Structure

Purpose

this

manual

....

Contents

....

Relative

manual

1-1.

1-2.

1-3,

1-4,

1-5.

€)

Service

Overview

Location

Printed

Circuit

Boards

....

Periodic

Replacement

Parts.....

Connector

Input/Output

Signals.

Cleaning

...

14-1.

Cleaning

Viewfinder

142.

Care

After

Using

Special

Environment

Replacement

CRT...

Disconnecting/Connecting

Flexible

Card Wire

Notes

Spare

Parts

Electrical

Alignment

Electrical

Adjustment

Using

Camcorder

2-1-1.

Notes

Adjustment.

2-1-2,

Equipment/Fixtures

2-1-3,

Connections...

2-1-4,

Settings

for

Adjustment.

2-1-5.

Extending

Viewfinder

...

2-1-6.

Vertical

Hold

Adjustment

2-1-7,

Horizontal

Hold

Adjustment

2-1-8.

Sub

Contrast

Adjustment

2-1-9.

Bright

Set

Adjustment

2-41-10,

Focus

Adjustment...

2-I-11,

Heater

Voltage

Adjustment

2-1-12,

Picture

Frame

Adjustment.....

2-2.

Electrical

Adjustment

Using

Checker

2-2-1.

2-2-2,

2-2-3,

2-2-4,

2-2-5.

2-2-6,

2-2-7.

2-2-8,

2-2-9,

2-2-10.

2-2-11.

2-2-12.

Notes

Adjustment

Equipment/Fixtures

Connections

Settings

for

Adjustment.

Extending

Viewfinder

Vertical

Hold

Adjustment

Horizontal

Hold

Adjustment

Sub

Contrast

Adjustment

Bright

Set

Adjustment...

Focus

Adjustment...

Heater

Voltage

Adjustmen

Picture

Frame

Adjustment...

..2-11

(BE)

Spare

Parts

3-1.

Exploded

Views

....

3-2.

Electrical

Parts

List

...

3-3,

Supplied

Accessories

...

Semiconductor

Assignments

Diagrams

and

Board

Layouts

BVF-V20WN20WCE

Manual

Structure

Purpose

this

manual

This

manual

the

maintenance

manual

for

Electronic

Viewfinder

BVF-V20W/

V20WCE.

This

manual

describes

the

information

items

necessary

when

the

unit

supplied

and

installed,

items

that

premise

the

service

based

the

components

parts

such

alignment,

schematic

diagrams,

board

layouts

and

spare

parts

lists,

assuming

use

system

and

service

engineers.

Contents

‘This

followings

are

summaries

the

each

section

for

understanding

the

manual,

Section

Service

Overview

Describes

information

about

board

locations,

connector

input/output

signals,

cleaning,

replacement

CRT.

Section

Electrical

Alignment

Describes

general

information

for

electrical

adjustments

and

the

adjustments

procedures

this

unit.

Section

Spare

Parts

Describes

parts

list,

exploded

views,

supplied

accessories

list

used

the

unit.

Section

Semiconductor

Assignments

Describes

function

diagrams

and

names

semiconductor

used

the

unit.

Section5

Diagrams

and

Board

Layouts

Describes

overall

block

diagram,

frame

wiring

and

board

layouts

for

every

circuit

board.

Relative

manual

Besides

this

maintenance

manual

the

following

manual

available

for

this

unit.

Operation

Manual

(Supplied

with

this

unit)

‘This

manual

necessary

for

application

and

operation

this

unit.

VF-VEOWNVZOWICE

3(E)

Section

Service

Overview

1-1.

Location

Printed

Circuit

Boards

1-3.

Connector

Input/Output

Signals

(20P

MALE)

VR-226

board

(External

view)

No.

Signal

Specifications

LP-101

board

VTR

SAVE

IND

GND:Indicator

lights

OPEN:Indicator

goes

out

ABNORMAL

IND

GND:Indicator

fights

OPEN:

Indicator

goes

out

1-2.

Periodic

Replacement

Parts

16:9

MODE

GNO:16:9

OPEN4:3

Parts

listed

below

are

periodic

replacement

parts.

They

are

REC

(L)

IND

V:indicator

lights

subject

cracks

with

the

lapse

time.

Check

sometimes

GND

OPEN:inglestor

goes

out

visual,

and

replace

necessary.

CCIRIEIA

9.3V:CCIR

GND:EIA

Name

Sony

Part

No.

DISPLAY

OUT

ON:OPEN

MIC

cushion,

rubber

3-692-138-0X

OFEGND,

3-723-079-0X

GTALLY

V:lndicator

lights

Eye

cup

(S)

GND

OPEN:Incicator

goes

out

ZEBRA

QUT

ON:GND

OFF5V

VEVIDEO(X)

1.0Vp-p

Zi=750

Shion,

MIC

cushion,

rubber

NG,

;

recommended

that

the

MIC

cushions

are

replaced

BATTIND

Vindicator

fights

pairs.

this

case,

please

order

two

pieces.

GND

OPEN:Indicator

goes

out

TALLY

IND

Vindicator

lights

GND

OPEN:

Indicator

goes

out

493V(VF)

IN,

REG+9.3V

GND

BYF-V20WNV20WCE

This

unit

normally

operates

with

the

above

input

signals.

Cameras

described

this

manual

can

output

the

signals

satisfying

the

specifications.

1-1

(E)

4-4,

Cleaning

1-4.

Cleaning

1-4-1.

Cleaning

Viewfinder

extracting

tube

sub

assembly,

lens

and

protec-

tor

can

easily

cleaned.

And

also

dust

the

CRT

surface

mirror

can

easily

cleaned

off.

Torn

the

hold

ring

the

left

and

extract

the

tube

sub

assembly.

Detach

the

eyecup.

Remove

the

protector

with

the

filter

holder.

Clean

the

lens

and

protector

with

commercially

available

camera

lens

cleaner,

Blow

off

dust with

blower

carefully

not

flaw

the

mirror.

After

the

cleaning

completed,

install

reversing

the

preceding

steps.

Align

red

lines

the

tube

and

tube

sub

assembly

when

inserting,

and

turn

the

hold

ring

the

right

until

locks.

[Note

}

not

use

any

type

solvent,

such

alcohol,

benzine

thinner

remove

stains.

sure

attach

the

eyecup

the

VF,

the

protector

may

come

off.

protect

the

viewfinder

lens

from

drops,

put

the

protector

the

filter

holder

and

attach

the

eyecup

securely,

—

Hold

ring

Align

red

lines

protector

tube

sub

assembly

CS-

Filter

holder

Eyecup

1-2

(E)

1-4-2.

Care

After

Using

Special

Environment

recommended

check

the

following

items

after

gathering

the

news

seaside,

dust

area

spa.

Clean

off

sand

and

other

dust

the

wnit

carefully.

not

allow

sat

seawater

sulfur

spa

contact

not-painted

surface

the

cabinet.

They

may

cause

corrode.

Clean

with

alcohol

immediately

contacted.

Clean

the

connection

surface

connectors.

Carry

out

the

common

operation

check.

BVF-v2oWN20WCE

1-5.

Replacement

CRT

Loosen

the

screw

the

MIC

clamp

and

open

the

MIC

clamp.

Remove

the

two

screws

(K2.6

5).

Remove

the

thrée

hexagonal

socket

bolts

(2.6

and

remove

the

upper

chassis.

Disconnect

the

flexible

card

wire

the

VR-226

board.

(How

disconnect

the

flexible

card

wire,

refer

Section

1-6.)

VR-226

ere

Bolt,

hexagonal

socket

2.6

Disconnect

the

three

connectors

CN2,

CN4

and

CNS

the

VF-67

board,

and

anode

cable.

Anode

cable

VF-67

board

BVF-v20w/v20WCE

4-5.

Replacement

CRT

Remove

the

three

screws

and

remove

the

CRT

from

the

tube

assembly.

Remove

the

CRT

tube

from

the

CRT.

Remove

the

four

screws

(K2

and

remove

the

mask

spacer.

Disconnect

the

connector

CN21

the

LP-101

board.

1-3

(E)

1-5,

Replacement

CRT

10.

Install

new

CRT

the

reverse

procedures

removal.

When

installing

the

CRT,

route

the

harness

using

the

following

procedure.

The

following

figures

show

the

opposite

side

the

CRT

shown

the

figures

the

removal

proce-

dure.

(1)

Anode

cable

Connect

the

anode

cable.

Anode

cable

Flexibie

card

wire’

VR-226

board

Tuming

the

VR-226

board

180°,

attach

the

cabinet,

Bite

the

anode

cable

between

the

flexible

card

wire

and

the

VR-226

board

secure

it.

Flexible

card

wire

VF-67

board

4-4

(E)

BYF-V20WIV20WCE

1-8.

Replacement

CRT

(2)

Hamess

connector

CN2

(8-core

harness)

Connect

the

8-core

harness

connector

CN2

the

VF-67

board

through

the

upper

side

the

anode

cable,

8-core

harness:

Flexible

card

wire

VF-67

board

(3)

Harness

connector

CNS

(CRT

hamess)

Connect

the

CRT

harness

(blue,

orange,

brown,

red)

connector

CN5

the

VF-67

board,

and

fix

the

CRT

harness

the

portion

the

CRT

neck

using

binding

yarn.

Flexible

card

wire

CRT

harness

Binding

yarn

‘BUF-VOOWIVZ0WCE

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