Sony SVBK-170P Manuale utente

COMPONENT

OUTPUT

BOARD

SVBK-170P

SERVICE

MANUAL

1st

Edition

TABLE

CONTENTS

SECTION

OPERATING

INSTRUCTION

SECTION

SERVICE

OVERVIEW

3-1.

NOTES

SPARE

PARTS

Sed

eererreseecescsces

2-1

2-1-1.

Notes

Spare

Parts

eeereecresccsecccccene

2-1

2-1-2.

Replacement

Procedure

for

Chip

Parts

*-*+*-

2-1

SECTION

ELECTRICAL

ALIGNMENT

3-1.

REFOSC

ADJUSTMENT

cetresssestsesttseresese

3-2

3-2.

HUE

ADJUSTMENT

crerrtsteesteressecseceeeeees

3-2

3-2-1.

B-Y

HUE

ADJUSTMENT

ccrreesseetreeeees

3-2

3.2-2.

R-Y

HUE

ADJUSTMENT

cvvvreesseeseeeees

3-3

3-3.

OUTPUT

LEVEL

ADJUSTMENT

***°"*-*-

3-3

3-4.

R-Y

OUTPUT

LEVEL

ADJUSTMENT

°:**:--*-

3-4

3-5.

B-Y

OUTPUT

LEVEL

ADJUSTMENT

°::-:----

3-4

SECTION4

BLOCK

DIAGRAM

SECTIONS

SCHEMATIC

DIAGRAM

AND

BOARD

LAYOUT

DEC-75

Board

ctccececsresssessseseceeeeeseneeeseeeseeseees

SECTION

SEMICONDUCTOR

ASSIGNMENTS

SECTION7

SPARE

PARTS

7-1.

NOTES

SPARE

PARTS

7-1-1.

Notes

Spare

Parts

cerreerceeccecerceeeeeerereres

9-2,

EXPLODED

VIEW

crereessssreeceeeceresraeeeeceeeenes

7-3,

ELECTRICAL

PARTS

LIST

srerssssrrscrsesseseseseees

SECTION

‘ore

suryo

‘d-dA

:A-€

sumo

‘d-dA

L0:A-U

aatyesau

ouds

‘suryo

‘d-da

(aa

001

‘di

Las

NON

‘5

OOF

WH)

feusis

A-

“A-a

‘A

TV¥d

sumyo

‘d-da

£:0:4-4

sumo

‘d-dA

1:0:A-U

eaneseu

ouds

‘swyo

¢z

‘d-da

OI SA

‘A

(day

O01

“dN

LAS

SLED

SLIM

ULI]

WVOV

LAE

aqp

SuTJOJUOD)

Feusis

A-g

‘A-Y

‘A

OSIN

andyno

capt,

qsing

d-da

¢0:D

d-da

O'1

SAZA

“30n)0u

aga

LHM

001

“da

Jno

asueyo

alqns

are

suonestyioeds

pue

usisaq]

LAS

NON

°D

OOT

d0096/009S-dAS

dOO8S/008S-OAS

wWosy

peusis

D/A

(1)

suononysur

SunesedO

(1)

preog

94)

BuLmMdes

Joy

MaDS

ysinq

d-da

9827'0

pattddns

sariossacoy

d-da

O'1

SAtA

(20

2p)

O21

“xosddy

sseW

ATA

LHM

001

“dn

(sayoul

ze/,

tf,

JAS

$'L

‘AD

SLUM

J009S/009S-dAS

(pry)

ulul

SOI

LLT

suorsuauliq

{008S/008S-OAS

Woyy

[eUsIs

D/A

MSE

OSIN

uonduinsuos

Jamog

yndut

oapt,,

suonesipiseds

“maaos

parddns

Sutsn

preog

ay)

aindes

pure

‘payoo]

[nun

Jake]dyrapsosay

ayy

y0[s

uorNdo

OWT

PIEOQ

OLI-AGAS

Uosut

AfTny

‘rahe

Aepiooay

atp

wos

foued

doy

gored

‘igfeap

AUOS

MOA

J[NSUOD

*PILOG

OLI-MGAS

AU}

uouelpersur

Joy

*sfapow

[Te

UouWOD

aInpasoid

UONeYeIsut

“Japsooar

d008S/008S-OAS

MOYs

SUOHENSHITE

SUIMOFOS

eOUIS

uone]e}Su]

*jeued

do)

aoejdoy

UORET|E

Su]

“sakefdjsapsooal

aq)

10s

uondo

preog

sip

[Teisut

paau

A[uO

NOK

‘(sIO}/aUUOD

€)

SfeuIwey

indjno

juavoduros

ayy

sey

JoAv[ds1apsooal

ay)

dui

“WeULO}

OVLA

suLOJUOS

ToT

“(A-@

‘AU

SA)

Pudis

oapta

juauoduios

ay)

ovr

Jake

Aapiooal

ayt

WOIY

Idyno

PLUSIs

OaptA

D/A

OY)

SUSAUOD

:Burmoyjoy

ay)

are

preog

sit

samyeay

ureuws

at],

“Sunipa

gjo1

g/V

10J

wayshs

Surptpe

oapia

juauoduios

QoINOS

fEUBIS

pasn

Med

JaXe[d/Japsooar

ayy

‘aloyazaqy,

“ayqissod

yndyno

yeusis

oapra

juauoduiod

‘Jakejdaplosal

agi

payfelsul

prog

sim

wag

‘wokelg

anassesoapla

AUOS

d009S/009S-dAS

pue

Japrosey

anasseovapt,

AUOS

4OO8S/008S-OAS

AU}

10]

preog

Feuondo

poudtsap

prog

inding

1auedwoD

I-MGAS

ALL

“aouazayal

ainny

JOy

ure@I

pue

Apysnosog)

yenuetu

sip

pear

aseayd

‘yun

ay)

Bunesado

asojaq

usy6ug

uoHnonpo.jU]

1-1

2-1.

SECTION

SERVICE

OVERVIEW

NOTES

SPARE PARTS

2-1-1.

Notes

Spare

Parts

Standardization

Parts

Spare

parts

supplies

form

Sony

Parts

Center

may

not

always

identical

with

the

parts

which

actually

use

due

“accommodating

the

improved

parts

and/or

engineering

changes”

“standardization

genuine

parts”.

This

manual’s

exploded

views

and

electrical

spare

parts

list

are

indicating

the

part

numbers

“the

standardized

genuine

parts

present.”

Stock

Parts

marked

with

“o”

(Supply

code)

column

the

spare

parts

list

are

not

normally

required

for

routine

service

work.

Orders

for

parts

marked

with

“o”

will

processed,

but

allow

for

additional

delivery

time.

Units

for

Capacitors,

Inductors

and

Resistors

The

following

units

are

assumed

schematic

diagrams,

electrical

parts

list

and

exploded

views

unless

otherwise

specified:

Capacitors

schematic

diagram

schematic

diagram

Resistors

2-1-2.

Replacement

Procedure

for

Chip

Parts

Required

Tools

Soldering

iron

possible,

use

soldering

iron

tip

heat-

controller

270

10°C.

Braided

wire

SOLDER

TAUL

equivalent

Sony

part

No.

7-641-300-81

Solder

0.6

dia.

recommended.

Tweezers

Soldering

Conditions

Soldering

iron

temperature

270

10°C.

Soldering

time:

less

than

two

seconds

per

pin.

CAPACITOR

RESISTOR

TRANSISTOR

DIODE

<S"

Terminal

Resistor

and

Capacitor

Replacement

Place

the

soldering

iron

tip

onto

the

chin

part

and

heat

until

the

solder

melted.

When

the

solder

melted,

slide

the

chip

part

aside.

Make

sure

that

there

pattern

peeling,

damage

and

bridges

around

the

desoldering

positions.

After

removing

the

chip

part,

presolder

the

area,

which

the

new

chip

part

placed,

with

thin

layer

solder.

Place

new

chip

part

the

desired

position

and

solder

both

ends.

Once

chip

part

has

been

removed

never

use

again.

2-1

IIHT

Transistor

and

Diode

Replacement

Cut

the

terminals

the

chip

part

with

nipper.

Remove

the

cut

leads.

Make

sure

that

there

pattern

peeling,

damage

and/

bridges

around

the

desoldering

positions.

After

removing

the

chip

part,

presolder

the

area,

which

the

new

chip

part

placed,

with

thin

layer

solder.

Place

new

chip

part

the

desired

position

and

solder

the

terminals.

Once

chip

part

has

been

removed

never

use

again.

Replacement

Using

the

desoldering

wire,

“SOLDER

TAUL”

Sony

Part

No.

7-641-300-81,

remove

the

solder

around

the

pins

the

IC-chip

removed.

While

heating

the

pins,

remove

the

pins

one

using

sharp-pointed

tweezers.

Make

sure

that

there

pattern

peeling,

damage

and/

bridges

around

the

desoldering

positions.

After

removing

the

chip

part,

presolder

the

area,

which

the

new

chip

part

placed,

with

thin

layer

solder.

Place

new

chip

part

the

desired

position

and

solder

the

pins.

Once

chip

part

has

been

removed

never

use

again.

2-2

SECTION

ELECTRICAL

ALIGNMENT

{Equipment

Required]

Videocassette

Recorder/Videocassette

Player(SVO-5800P/SVP-5600P)

Oscilloscope(TEKTRONIX

2445B/150

MHz

more)

Frequency

Counter(ADVANTEST

TR5821AK)

Composite

Signal

Generator(TSG-131)

VH-247

Extension

Board(SONY

Parts

No.

J-6382-470-A)

[Note]

When

perform

electrical

alignment,

need

the

extension

board.

(Connect

the

extension

board

after

turn

the

power

off.)

[Connecton]

RV201

RV403

£401

ote201

O°Vv40!

TPIOL

@tp3q1

TP40!

THROUGH

OFF

EXT

THROUGH

VIDEO

INPUT

CONNECTOR

‘s

ADJ

DEC-75

foe

TSG-131

VIDEOCASSETTE

RECORDER

COMPOSITE

SIGNAL

GENERATOR

VIOEOCASSETTE

PLAYER

SVO-5800P/SVP-5600P

TTS

ETHEL

3-1.

REF

OSC

ADJUSTMENT

Machine

condition

for

adjustment

Specifications

Adjustments

VIDEO

signa!

TP401/DEC-75(D-2)

CV401/DEC-75(D-1)

STOP(E-E)

mode

Connect

the

frequency

counter

4433619

TP401(D-2)

through

oscilloscope.

S1/VH-247

OFF

3-2.

HUE

ADJUSTMENT

3-2-1.

B-Y

HUE

ADJUSTMENT

Machine

condition

for

adjustment

Specifications

Adjustments

Video

Input

Connector/VH-247

TP301(B-2)

RV403/DEC-75(C-1)

75%

COLOR

BARS

S1/VH-247

EXT

S2/VH-247

ADJ

S3/VH-247

ADJ

S4/VH-247

ADJ

level

difference

(each

signals)

(AS10mvV)

3-2

3-2-2.

R-Y

HUE

ADJUSTMENT

Machine

condition

for

adjustment

Specifications

Adjustments

Video

Input

Connector/VH-247

TP201(B-2)

CV402/DEC-75(D-3)

75%

COLOR

BARS

S1/VH-247

EXT

S2/VH-247

ADJ

S3/VH-247

ADJ

S4/VH-247

ADJ

level

difference

(each

signals)

(AS10mV)

3-3.

OUTPUT

LEVEL

ADJUSTMENT

Video

Input

Connector/VH-247

100%

COLOR

BARS

SIVH-247

EXT

S2/VH-247

ADJ

S3/VH-247

ADJ

S4/VH-247

ADJ

1.025+

0.02

Vp-p

TTT

3-4.

R-Y

OUTPUT

LEVEL

ADJUSTMENT

Machine

condition

for

adjustment

Specifications

Adjustments

Video

Input

Connector/VH-247

TP201(B-1)

RV201/DEC-75(B-1)

100%

COLOR

BARS

S1MVH-247

EXT

S2VH-247

ADJ

S3/VH-247

ADJ

S4NH-247

ADJ

A=0.715

0.014

Vp-p

3-5.

B-Y

OUTPUT

LEVEL

ADJUSTMENT

Machine

condition

for

adjustment

Specifications

Adjustments

Video

Input

Connector/VH-247

TP301(B-2)

RV301/DEC-75(C-1)

100%

COLOR

BARS

S1/VH-247

EXT

S2/VH-247

ADJ

$3/VH-247

ADJ

S4/VH-247

ADJ

A=0.715

0.014

Vp-p

CHROMA

DECODER

CHROMA

DECODER

SECTION

BLOCK

DIAGRAM

DEC-75;

CHROMA

DECODER

NTSC:

BUFFER

PAL

:PHASE

SHIFT

10401

PAL

ONLY

M51271FP

TP401

FSC)

! I

2403

| 1

TP301

@-Y

OUD

aso1

0301,

302

a303

1c201

@/2),

202

@/2)

Pal

COMPONENT

CHROMA

IN|

CHROMA

B-Y

LPF,

TRAP

DELAY

B-Y

Bey

out

CP246

603-2

VA148,

502-28

BUFFER

“

BECODE

‘

AMP

RV301

B-Y

OUTPUT

LEVEL

1P201

R-Y

oun

0201,

202

0203

10201

172),

202

072

cNSO1

LPF,

TRAP

DELAY

nee

Ary OUT

cp24e,

603-4

{

RV201

BURST

R-Y

OUTPUT

LEVEL

MUTE

PULSE

GEN

10410

aio!

cNg01

REG

+5.9V

COMPONENT

00_

val4e8,

502-18

BUFFER

10411

REG

1005-4

REG

1005-4

REG

1005-4

SB]

REG

1005-4

-——fi4a

Peal

pmo

ES]

1c403

BURST

MUTE

-5V

PULSE

GEN

HALF

KILLER

TP403

{BURST

MUTE

PULSE)

TPIO1

oun

FLIO1

Q103,

104,

105

1C101

CNSO1

OUT

LPF

BELAY

CP2ke

O36

RV1O1

OUTPUT

LEVEL

DEC-75

SVBK-170/170P

(1)

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