Philips DVP620VR User manual

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DVD

+

VCR

Combi

~

_DVP620VR:00/05/02

Service

Service

Service

2

mp3

wee

ge

VIDEO

DIGITAL

AUDIO

DIGITAL

VIDEO)

Contents

Survey

of

versions:

Chapter

/00

PAL

I

/05

PAL

B/G

Sec.

1:

Technical

Specifications

102

PAL

B/G,L,L’

&

SECAM

B/G,L,L'

Schematic

Diagrams

and

CBA's

Exploded

Views

Mechanical

and

Electrical

Parts

Lists

Sec.

2:

Standard

Maintenance

Mechanism

Alignment

Procedures

Disassembly

/

Assembly

of

Mechanism

Deck

Exploded

Views

CLASS

1

LASER

PRODUCT

KLASSE

1

LASER

PRODUKT

©Copyright

2004

Philips

Consumer

Electronics

B.V.

Eindhove,

The

Netherlands

KLASS

1

LASER

APPARAT

All

rights

reserved.

No

part

of

this

publication

may

be

reproduced,

stored

in

a

retrieval

CLASSE

1

PRODUIT

LASER

system

or

transmitted,

in

any

form

or

by

any

means,

electronic,

mechanical,

photocopying,

or

otherwise

without

the

prior

permission

of

Philips.

Published

by

FU

0420

Service

AVE

Subject

to

modification

3139

785

30560

PHILIPS

Version

1.0

MAIN

SECTION

DIGITAL

VIDEO

DISC

PLAYER

&

VIDEO

CASSETTE

RECORDER

Sec.

1:

Main

Section

@

Adjustment

Procedures

@

Schematic

Diagrams

and

CBA’s

@

Exploded

Views

@

Mechanical

and

Electrical

Parts

List

TABLE

OF

CONTENTS

LASER

BEAM

SAFETY

PRECAUTIONS

5

ook

cv

cad

suber

Soa

tc

diidels

ales

ea

wulaa

kaa

ae

ase

aguas

1-1-1

IMPORTANT

SAFETY

PRECAUTIONS

2ii05

coc

nc

raumecdyrew

adden

epee

Pied

Wann

eaeaka

het

~bess

1-2-1

STANDARD:

NOTES

FOR

SERVICING

as

cacaaietive

x

sGu

ei

aibanaadovawaveaeaddssowe

sean

de

cis

we

1-3-1

FUNCTION

INDICATOR

SYMBOLS:

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c.9a:

gcagena

aiiee

daw

one

mcecd

hebiud

beth

wie

bret

dcdtlaenale

Mee

wea

1-4-4

PREPARATION

FOR

SERVICING

«240229

9.05

mai

Cane

cane

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1-5-1

OPERATING

CONTROLS

AND

FUNCTIONS

.....

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1-6-1

SIGNAL:

NAME

ABBREVIATIONS

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ciety

weds

date

Céarwuan

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1-7-1

CABINET

DISASSEMBLY

INSTRUCTIONS.

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ELECTRICAL

ADJUSTMENT

INSTRUCTIONS.

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1-9-4

FIRMWARE

RENEWAL:

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Bis

ni:

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iar

ae

tienen

atta

Sale

aae eid

wae

ae

Gadace

aac

1-10-14

BLOCK

DIAGHAMS

ie:

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ing

atesta

wernt

staat

Wie

ats

weds

ne

pon

ER

hah

tae

Lieb

eh

AR

aap

eee

ee

a

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1-11-1

SCHEMATIC

DIAGRAMS

/

CBA’S

AND

TEST

POINTS

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1-12-1

WAVEFORMS............

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DIAGRAM

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1-14-1

WIRING

DIAGRAM

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1-14-2

SYSTEM

CONTROL

TIMING

CHARTS

«.

s.6

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FUNCTION

DESCRIPTIONS

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1-16-1

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acini

kGrnnes

cee

Gad

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kates

Sh

Cue

ea

ek

sana

lead

ati

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1-17-1

BLECTRICAL-PAR

TS

LIS

Pacvanachigebiie

cadae

ee

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oe

amcteey

ter

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1-18-1

EXPLODED

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1-19-1

LASER

BEAM

SAFETY

PRECAUTIONS

This

DVD

player

uses

a

pickup

that

emits

a

laser

beam.

Do

not

look

directly

at

the

laser

beam

coming

from

the

pickup

or

allow

it

to

strike

against

your

skin.

The

laser

beam

is

emitted

from

the

location

shown

in

the

figure.

When

checking

the

laser

diode,

be

sure

to

keep

your

eyes

at

least

30cm

away

from

the

pickup

lens

when

the

diode

is

turned

on.

Do

not

look

directly

at

the

laser

beam.

Caution:

Use

of

controls

and

adjustments,

or

doing

procedures

other

than

those

specified

herein,

may

result

in

hazardous

radiation

exposure.

Drive

Mecha

Assembly

Laser

Beam

Radiation

ie

Laser

Pickup

|

CX

ee

ais

Turntable

fi

1-1-1

H9720LASER

IMPORTANT

SAFETY

PRECAUTIONS

Product

Safety

Notice

Some

electrical

and

mechanical

parts

have

special

safety-related

characteristics

which

are

often

not

evi-

dent from

visual

inspection,

nor

can

the

protection

they

give

necessarily

be

obtained

by

replacing

them

with

components

rated

for

higher

voltage,

wattage,

etc.

Parts

that

have

special

safety

characteristics

are

iden-

tified

by

a

A\

on

schematics

and

in

parts

lists.

Use

of

a

substitute

replacement

that

does

not

have

the

same

safety

characteristics

as

the

recommended

replace-

ment

part

might

create

shock,

fire,

and/or

other

haz-

ards.

The

Product’s

Safety

is

under

review

continuously

and

new

instructions

are

issued

when-

ever

appropriate.

Prior

to

shipment

from

the

factory,

our

products

are

carefully

inspected

to

confirm

with

the

recognized

product

safety

and

electrical

codes

of

the

countries

in

which

they

are

to

be

sold.

However,

in

order

to

maintain

such

compliance,

it

is

equally

impor-

tant

to

implement

the

following

precautions

when

a

set

is

being

serviced.

Precautions

during

Servicing

A.

Parts

identified

by

the

A\

symboi

are

critical

for

safety.

Replace

only

with

part

number

specified.

In

addition

to

safety,

other

parts

and

assemblies

are

specified

for

conformance

with

regulations

applying

to

spurious

radiation.

These

must

also

be

replaced

only

with

specified

replacements.

Examples:

RF

converters,

RF

cables,

noise

block-

ing

capacitors,

and

noise

blocking

filters,

etc.

C.

Use

specified

internal

wiring.

Note

especially:

1)Wires

covered

with

PVC

tubing

2)Double

insulated

wires

3)High

voltage

leads

D.

Use

specified

insulating

materials

for

hazardous

live

parts.

Note

especially:

1)Insulation

tape

2)PVC

tubing

3)Spacers

4)|nsulators

for

transistors

.

When

replacing

AC

primary

side

components

(transformers,

power

cord,

etc.),

wrap

ends

of

wires

securely

about

the

terminals

before

solder-

ing.

.

Observe

that

the

wires

do

not

contact

heat

produc-

ing

parts

(heatsinks,

oxide

metal

film

resistors,

fus-

ible

resistors,

etc.).

.

Check

that

replaced

wires

do

not

contact

sharp

edges

or

pointed

parts.

.

When

a

power

cord

has

been

replaced,

check

that

5

-

6

kg

of

force

in

any

direction

will

not

loosen

it.

Also

check

areas

surrounding

repaired

locations.

1-2-1

J.

Use

care

that

foreign

objects

(screws,

solder

drop-

lets,

etc.)

do

not

remain

inside

the

set.

K.

Crimp

type

wire

connector

The

power

transformer

uses

crimp

type

connectors

which

connect

the

power

cord

and

the

primary

side

of

the

transformer.

When

replacing

the

transformer,

follow

these

steps

carefully

and

precisely

to

prevent

shock

hazards.

Replacement

procedure

1)Remove

the

old

connector

by

cutting

the

wires

at

a

point

close

to

the

connector.

Important:

Do

not

re-use

a

connector.

(Discard

it.)

2)Strip

about

15

mm

of

the

insulation

from

the

ends

of

the

wires.

If

the

wires

are

stranded,

twist

the

strands

to

avoid

frayed

conductors.

3)Align

the

lengths

of

the

wires

to

be

connected.

Insert

the

wires

fully

into

the

connector.

4)Use

a

crimping

tool

to

crimp

the

metal

sleeve

at

its

center.

Be

sure

to

crimp

fully

to

the

complete

clo-

sure

of

the

tool.

L.

When

connecting

or

disconnecting

the

internal

connectors,

first,

disconnect

the

AC

plug

from

the

AC

outlet.

SFTY_06

Safety

Check

after

Servicing

Examine

the

area

surrounding

the

repaired

location

for

.

damage

or

deterioration.

Observe

that

screws,

parts,

|

Chassis

or

Secondary

Conductor

and

wires

have

been

returned

to

their

original

posi-

tions.

Afterwards,

do

the

following

tests

and

confirm

:

Primary

Circuit

Terminals

the

specified

values

to

verify

compliance

with

safety

:

standards.

1.

Clearance

Distance

When

replacing

primary

circuit

components,

confirm

specified

clearance

distance

(d)

and

(d’)

between

sol-

dered

terminals,

and

between

terminals

and

surround-

ing

metallic

parts.

(See

Fig.

1)

Table

1

H

Ratings

for

selected

area

BERS

ESS

SO

eA

ESS

eS

ECSU

CHESS

ERLE

DSSS

IES

SCRUBS

RASS

SETI

REESE

AC

Line

Voltage

|

Clearance

Distance

(d),

(d’)

23

mm(d)

220

to

240

V

=

6

miata

Note:

This

table

is

unofficial

and

for

reference

only.

Oo

Exposed

Accessible

Part

Be

sure

to

confirm

the

precise

values.

2.

Leakage

Current

Test

Confirm

the

specified

(or

lower)

leakage

current

between

B

(earth

ground,

power

cord

plug

prongs)

AC

Voltmeter

and

externally

exposed

accessible

parts

(RF

termi-

(High

Impedance)

nals,

antenna

terminals,

video

and

audio

input

and

output

terminals,

microphone

jacks,

earphone

jacks,

etc.)

is

lower

than

or

equal

to

the

specified

value

in

the

table

below.

Measuring

Method

(Power

ON)

:

B

&

One

side

of

insert

load

Z

between

B

(earth

ground,

power

cord

Power

Cord

Plug

Prongs

plug

prongs)

and

exposed

accessible

parts.

Use

an

AC

voltmeter

to

measure

across

the

terminals

of

load

Z.

See

Fig.

2

and

the

following

table.

Table

2:

Leakage

current

ratings

for

selected

areas

; :

One

side

of

power

cord

plug

AC

Line

Voltage

Leakage

Current

(i)

prongs

(B)

to:

Pcireiae

a

i<0.7mA

AC

Peak

RF

or

parallel

is2mA

DC

Antenna

terminals

220

to

240

V

50kQ

RES.

:

j

gene

in

ea

a

aoe

A/V

Input,

Output

Note:

This

table

is

unofficial

and

for

reference

only.

Be

sure

to

confirm

the

precise

values.

1-2-2

SFTY_06

STANDARD

NOTES

FOR

SERVICING

Circuit

Board

Indications

a.

The

output

pin

of

the

3

pin

Regulator

ICs

is

indi-

cated

as

shown.

Top

View

Botiom

View

Input

b.

For

other

ICs,

pin

1

and

every

fifth

pin

are

indicated

as

shown.

5

Pin

1

ORONO

LKES

OROKOMCE

OLSKS

10

c.

The

1st

pin

of

every

male

connector

is

indicated

as

shown.

Pint

ROMO

MORRO

Instructions

for

Connectors

1.

When

you

connect

or

disconnect

the

FFC

(Flexible

Foil

Connector)

cable,

be

sure

to

first

disconnect

the

AC

cord.

2.

FFC

(Flexible

Foil

Connector)

cable

should

be

inserted

parallel

into

the

connector,

not

at

an

angle.

*

Be

careful

to

avoid

a

short

circuit.

Pb

(Lead)

Free

Solder

When

soldering,

be

sure

to

use

the

Pb

free

solder.

How

to

Remove

/

Install

Flat

Pack-IC

1.

Removal

With

Hot-Air

Flat

Pack-IC

Desoldering

Machine:.

(1)Prepare

the

hot-air

flat

pack-IC

desoldering

machine,

then

apply

hot

air

to

the

Flat

Pack-IC

(about

5

to

6

seconds).

(Fig.

S-1-1)

(2)

Remove

the

flat

pack-IC

with

tweezers

while

apply-

ing

the

hot

air.

(3)

Bottom

of

the

flat

pack-IC

is

fixed

with

glue

to

the

CBA;

when

removing

entire

flat

pack-IC,

first

apply

soldering

iron

to

center

of

the

flat

pack-IC

and

heat

up.

Then

remove

(glue

will

be

melted).

(Fig.

S-1-6)

(4)

Release

the

flat

pack-IC

from

the

CBA

using

twee-

zers.

(Fig.

S-1-6)

Caution:

1.

The

Flat

Pack-IC

shape

may

differ

by

models.

Use

an

appropriate

hot-air

flat

pack-IC

desoldering

machine,

whose

shape

matches

that

of

the

Flat

Pack-IC.

2.

Do

not

supply

hot

air

to

the

chip

parts

around

the

flat

pack-IC

for

over

6

seconds

because

damage

to

the

chip

parts

may

occur.

Put

masking

tape

around

the

flat

pack-IC

to

protect

other

parts

from

damage.

(Fig.

S-1-2)

NOTE_1

3.

The

flat

pack-IC

on

the

CBA

is

affixed

with

glue,

so

be

careful

not

to

break

or

damage

the

foil

of

each

pin

or

the

solder

lands

under

the

IC

when

removing

it.

Hot-air

Flat

Pack-iC

Desoldering

Machine

Masking

Tape

Tweezers

1-3-2

With

Soldering

Iron:

(1)

Using

desoldering

braid,

remove

the

solder

from

all

pins

of

the

flat

pack-IC.

When

you

use

solder

flux

which

is

applied

to

all

pins

of

the

flat

pack-IC,

you

can

remove

it

easily.

(Fig.

S-1-3)

Desoldering

Braid

Flat

Pack-IC

Soldering

Iron

Fig.

S-1-3

(2)

Lift

each

lead

of

the

flat

pack-IC

upward

one

by

one,

using

a

sharp

pin

or

wire

to

which

solder

will

not

adhere

(iron

wire).

When

heating

the

pins,

use

a

fine

tip

soldering

iron

or

a

hot

air

desoldering

machine.

(Fig.

S-1-4)

Soldering

Iron

(3)

Bottom

of

the

flat

pack-IC

is

fixed

with

glue

to

the

CBA;

when

removing

entire

flat

pack-IC,

first

apply

soldering

iron

to

center

of

the

flat

pack-IC

and

heat

up.

Then

remove

(glue

will

be

melted).

(Fig.

S-1-6)

(4)

Release

the

flat

pack-IC

from

the

CBA

using

twee-

zers.

(Fig.

S-1-6)

With

Iron

Wire:

(1)

Using

desoldering

braid,

remove

the

solder

from

all

pins

of

the

flat

pack-IC.

When

you

use

solder

flux

which

is

applied

to

all

pins

of

the

flat

pack-IC,

you

can

remove

it

easily.

(Fig.

S-1-3)

(2)

Affix

the

wire

to

a

workbench

or

solid

mounting

point,

as

shown

in

Fig.

S-1-5.

(3)

While

heating

the

pins

using

a

fine

tip

soldering

iron

or

hot

air

blower,

pull

up

the

wire

as

the

solder

melts

so as

to

lift

the

IC

leads

from

the

CBA

contact

pads

as

shown

in

Fig.

S-1-5

NOTE_1

(4)

Bottom

of

the

flat

pack-IC

is

fixed

with

glue

to

the

CBA;

when

removing

entire

flat

pack-IC,

first

apply

soldering

iron

to

center

of

the

flat

pack-IC

and

heat

up.

Then

remove

(glue

will

be

melted).

(Fig.

S-1-6)

(5)

Release

the

flat

pack-IC

from

the

CBA

using

twee-

zers.

(Fig.

S-1-6)

;

Note:

When

using

a

soldering

iron,

care

must

be

taken

to

ensure

that

the

flat

pack-IC

is

not

being

held

by

glue.

When

the

flat

pack-IC

is

removed

from

the

CBA,

handle

it

gently

because

it

may

be

damaged

if

force

is

applied.

Hot

Air

Blower

Mounting

Point

/4—.Fine

Tip

Soldering

lron

Flat

Pack-IC

Fig.

S-1-6

1-3-3

2.

Installation

(1)

Using

desoldering

braid,

remove

the

solder

from

the

foil

of

each

pin

of

the

flat

pack-IC

on

the

CBA

so

you

can

install

a

replacement

flat

pack-IC

more

easily.

(2)

The

“

@

”

mark

on

the

flat

pack-IC

indicates

pin

1.

(See

Fig.

S-1-7.)

Be

sure

this

mark

matches

the

1

on

the

PCB

when

positioning

for

installation.

Then

presolder

the

four

corners

of

the

flat

pack-IC.

(See

Fig.

S-1-8.)

(3)

Solder

ail

pins

of

the

flat

pack-IC.

Be

sure

that

none

of

the

pins

have

solder

bridges.

Example

:

Pin

1

of

the

Flat

Pack-IC

is

indicated

by

a"

@"

mark.

Presolder

Flat

Pack-IC

NOTE_1

Instructions

for

Handling

Semi-conductors

Electrostatic

breakdown

of

the

semi-conductors

may

occur

due

to

a

potential

difference

caused

by

electro-

static

charge

during

unpacking

or

repair

work.

1.

Ground

for

Human

Body

Be

sure

to

wear.a

grounding

band

(1MQ)

that

is

prop-

erly

grounded

to

remove

any

static

electricity

that

may

be

charged

on

the

body.

2.

Ground

for

Workbench

Be

sure

to

place

a

conductive

sheet

or

copper

plate

with

proper

grounding

(1MQ)

on

the

workbench

or

other

surface,

where

the

semi-conductors

are

to

be

placed.

Because

the

static

electricity

charge

on

cloth-

ing

will

not

escape

through

the

body

grounding

band,

be

careful

to

avoid

contacting

semi-conductors

with

your

clothing.

<Incorrect>

<Correct>

Grounding

Band

|

1MQ

CBA

ir

or

Copper

Plate

1-3-4

NOTE_1

FUNCTION

INDICATOR

SYMBOLS

Note:

lf

a

mechanical

malfunction

occurs,

the

power

is

turned

off.

When

the

power

comes

on

again

after

that

by

pressing

[STANDBY-ON]

button,

an

error

message

is

displayed

on

the

TV

screen

for

5

seconds.

INDICATOR

ACTIVE

“EJECT

R’”

is

displayed

on

a

TV

screen.

(Refer

to

Fig.

1.)

When

reel

or

capstan

mechanism

is

not

functioning

correctly

When

tape

loading

mechanism

is

not

func-

|

“EJECT

T”

is

displayed

on

a

TV

screen.

(Refer

to

Fig.

2.)

tioning

correctly

When

cassette

loading

mechanism

is

not

|

“EJECT

C”

is

displayed

on

a

TV

screen.

(Refer

to

Fig.

3.)

functioning

correctly

When

the

drum

is

not

working

properly

“EJECT

D”

is

displayed

on

a

TV

screen.

(Refer

to

Fig.

4.)

P-ON

Power

safety

detection

“EJECT

P”

is

displayed

on

a

TV

screen.

(Refer

to

Fig.

5.)

TV

screen

When

reel

or

capstan

mechanism

is

not

functioning

When

the

drum

is

not

working

properly

correctly

EJECT

R

EJECT

D

Fig.

1

Fig.

4

ihe

tape

loading

mechanism

is

not

functioning

cor-

_P-ON

Power

safety

detection

EJECT

T

|

EJECT

P

Fig.

2

Fig.

5

When

cassette

loading

mechanism

is

not

functioning

correctly

EJECT

C

Fig.

3

1-4-1

H9720FIS