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DENON

_........

SERVICE

MANUAL

STEREO

CD

PLAYER

MODEL

DCD-

15001

NIPPON

COLUMBIA

Co.

LTD.

TABLE

OF

CONTENTS

;

Baa

=r"

i

PE

RI

Shs

oe

ers

ehond

Solent

ew

as

ge

crs

tliat

lane

3

dd

Dat

RE

et

2

H

SPECIFICATIONS

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

rer

ee

ee

ee

eH

OE

ht

we

ead

3

i

NAMES

AND

FUNCTIONS

OF

PARTS

.........

000000

cece

ete

cee

ete

teen

eee

4,5

NOTE

FOR

HANDLING

OF

LASER

PICK-UP.......

eee

ud

caine

en

tanta

Sind

eats

ae

wise

6,7

DISASSEMBLY

.........

hang

edt

anseaitnta

dh

tptaatt

dh

teed

cd

Ses

cee

Raa

area

one

ge

Cad

tet

8~10

MAINTENANCE

SERVICE

AND

ADJUSTMENT.

............

00

ce

eee

eee

eee

11~17

PARIS

LIST.

OF

PW:

BOARD

occc

>

bce eee

Odie

hile

epee

wate

e

en

hee

18~

21

EXPLODED

VIEW

OF

FG-610

MECHA

UNIT...

00.2...

c

eect

eee

ee

nee

22

PARTS

LIST

OF

FG-610

MECHANISM

UNIT...

00.0.0.

0c

cece

eee

tee

eee

tenes

23

PARTS

LIST

OF

EXPLODED

VIEW

¢.5

oo

Nev

eoenos

sea

esGab

a

duces

oda

sie

es

24

EXPLODED

VIEW

x

ac

cance

pice

ea

ea

EO

Bren

wet

we

RS

<

25

PW:

BOARD

oid

case

Poke

ad

pals

Bo

GRO

eo

ae

ae

ae

TE

ae

26,

27

WIRING

DIAGRAM

efi

ached

ot

teers

se

eG

dale

nen

ae

eats

aed

aoe

atan

PEs

28

SCHEMATIC

DIAGRAM:

ior5.o

keen

Ko

NtL

bon

eae

wa

edane

ane

he

haere

29

SEMICONDUCTORS

sues

ne

dese

eee

foie

ese

ee

a

ewe

e

aan

ewe

eee

eas

30

i

)

j

i

ar

|

i

i

:

I

t

fi

i

'

1

1

|

|

\

{

H

FEATURES

The

DCD-1500I

compact

laser

disc

player

utilizes

a

unique

DENON

Super

Linear

Converter

which

prevents

deterioration

of

sound

quality

in

the

PCM

playback

system,

assuring

accurate

reproduction

of

sound

record

on

compact

laser

discs,

in

the

studio

or

in

live

sound

production

areas.

The

parts

for

this

high

performance

.

disc

player

have

been

selected

with

careful

discrimination,

to

produce

high

quality,

realistic

playback

of

the

full

musical

production.

SPECIFICATIONS

AUDIO

No.

of

channels:

Frequency

response:

Dynamic

range:

Signal-to-noise

ratio:

Harmonic

distortion:

Separation:

Wow

and

flutter:

Output

voltage:

DISCS

GENERAL

CHARACTERISTICS

Power

supply:

Power

consumption:

Dimensions:

Weight:

FUNCTIONS

AND

DISPLAY

Functions:

Display:

Other

functions:

REMOTE

CONTROL

UNIT

Remote

control

system:

Power

supply:

External

dimensions:

Weight:

ACCESSOIRES

ee

=

2

channels

2

~

20,000

Hz

96

dB

103

dB

0.003%

(1

kHz)

100

dB

(1

kHz)

Less

than

the

measuring

limit

(+0.001%

W.

peak)

Fixed:

2.0V

Variable:

Max.

2.0V

Audio

compact

discs

are

used.

50/60

Hz,

Voltage

is

shown;

on

rating

label

17W

434

(17.1

in)

X

x

107

(4.2

in)

H

x

324

(12.8

in)

D

mm

e

9.3

kg

Direct

selection,

automatic

search,

programmed

selection,

repeat

playback,

manual

search,

auto

space,

time

mode,

call,

auto

edit.

Track

number,

index

number,

time,

program,

and

direct,

etc.

Headphone

Jack

(Variable

level)

Digital

out

ON/OFF

Switch.

RC-202

—

Infrared

pulse

system

’

3V

DC

Two

SUM-3

(standard

size

AA)

dry

cell

batteries

62

(2.4

in)

W

x

162

(6.4

in)

H

x

18

(0.7

in)

D

mm

120

g

(Includes

batteries)

Connecting

pin

cord,

Mini

screwdriver

*

Design

and

specifications

are

subject

to

change

without

notice

in

the

course

of

product

improvement.

VAROITUS:

SUOJAKOTELOA

El

SAA

AVATA.

LAITE

SISALTAA

LASER-DIODIN,

JOKA

LAHETTAA

NAKYMATONTA

SILMALLE

VAARALLISTA

LASER-SATEILYA.

ADVARSEL:

USYNLIG

LASERSTRALING

VED

ABNING

NAR

SIKKERHEDSAFBRYDERE

EU

UDE

AF

FUNKTION.

UNDGA

UDSAETTELSE

FOR

STRALING.

“CLASS

|!

LASER

PRODUCT”

“CLASS

1

LASER

PRODUCT”

CAUTION

SE

WF

CET

See

sens

orn

@

Power

Switch

(POWER)

e

Press

this

switch

to

turn

the

power

source

ON.

-

e@

After

the

power

is

turned

on,

the

Variable

Output

level

is

displayed

in

the

S

(sec)

portion

of

the

display

window,

then

the

Track

No.

(QQ)

lights

up.

If

no

disc

is

loaded,

all

number

indicators

and

the

calendar

light

up

after

several

seconds.

If

a

disc

has

been

loaded,

the

number

of

tracks

on

the

disc

wil!

be

displayed

in

the

Track

No.

display

after

a

few

seconds,

and

the

total

time

will

be

displayed

by

the

Time

display.

The

Calendar

display

wiil

stay

on

until

the

total

number

of

tracks

is

displayed,

(but

will

indicate

OVER]if

there

are

more

than

21

tracks

on

the

disc).

It

will

go

off

when

playing

starts.

2)

Diet

Holder

The

disc

is

loaded

into

the

disc

holder

for

play.

e

The

disc

holder

is

opened

and

closed

by

pressing

the

disc

holder

open/close

button

(

4

OPEN/CLOSE)

@.

®

It

can

also

be

closed

by

pressing

the

play

button

(

P~

PLAY)

@®

or

pause

button

(

Il

PAUSE)

@®.

@

Disc

Holder

Open/Close

Button

(

4

OPEN/CLOSE)

e@

The

disc

holder

C2]

is

opened

and

closed

by

pressing

this

button.

@

Press

the

button

once

to

eject

the

disc

holder

(2)

forward.

Press

it

again

to

close

the

holder.

@

If

the

disc

holder

is

closed

and

a

disc

has

been

loaded,

the

disc

is

rotated

for

several

seconds,

and

then

the

total

num-

ber

of

tracks

on

the

disc

and

the

total

playback

time

are

then

displayed

on

the

digital

display

@.

4)

Display

e@

The

display

area

consists

of

sections

for

the

track

number,

the

index,

the

playback

time,

and

the

calendar.

Direct

Remote

control

indicator

sensor

indicator

Emphasis

indicator

Pause

indicator

Playback

Remainder

of

indicator

Current

track

indicator

@REMOTE

SEARCH

EMPHASIS

@§

[PAUSE]

DIRECT

»(CPLAY7

u

a

INDEX

aa

ann

Geo

okt

Program

Total

remaining

indicator

indicator

\

time

indicator

Calendar

Recorded

track

overflow

Autospace

Repeat

between

indicator

(for

discs

with

indicator

A

and

B

indicator

21

or

more

track

numbers}

Remote

Control

Photosensitive

Window

This

window

receives

the

light

transmitted

from

the

wire-

less

remote

control

unit.

The

RC-202

wireless

remote

control

unit

should

be

operat-

ed

while

it

is

pointed

in

the

direction

of

the

photosensitive

window.

When

the

remote

control

is

operated,

the

remote

control

sensor

indicator

lamp

will

light

in

the

display

area

Auto

Edit

Button

(AUTO

EDIT)

This

automatic

programming

function

devided

the

compatt™

disc,

which

is

recorded

on

only

one

side,

into

two

halves,

to

resemble

side

A

and

B

of

an

ordinary

analog

disc.

Total

playing

time

is

divided

at

the

break

between

tracks

which

is

nearest

to

the

1/2

point.

The

break

is

made

at

the

beginning

of

the

track

to

avoid

interrupting

the

trackduring

playback.

Pressing

this

button

when

the

player

is

stopped

causes

the

playback

time

for

the

first

half

of

the

disc

to

be

displayed

for

approximately

2

seconds

in

the

TIME

display,

along

with

the

numbers

of

the

tracks

on

that

side,

displayed

in

the

CALENDAR

display.

Next,

the

content

of

the

second

half

of

the

disc

is

displayed

in

the

same

way.

The

player

then

moves

automatically

to

the

start

of

the

initial

track

and

remains

there

in

the

pause

state.

Play

is

started

by

pressing

either

the

Play

(PLAY)

or

the

Pause

(PAUSE)

button.

When

playing

of

the

first

half

of

the

disc

is

ended,

the

player

pauses

automatically

at

the

start

of

the

first

track

of

the

second

half.

This

function

operates

only

when

a

disc

with

20

or

fewer

tracks

is

played.

AuTe

SPACE

Button

(AUTO

SPACE)

Pressing

this

button

will

cause

the

[AUTO

SPACE]

indicator

to

light

up

and

a

blank

portion

tasting

4

or

more

seconds

to

be

inserted

between

the

tracks.

If

this

button

is

pressed

while

the

[AUTO

SPACE]

indicator

is

lit,

the

lamp

will

go

off

and

the

auto

space

function

will

be

cancelled.

When

the

AUTOMATIC

SEARCH

button

(Kd,

PPI)

is

pressed,

the

auto

space

function

will

not

operate.

The

auto

space

function

will

operate

with

Programmed

playback

as

wel!

as

normal

playback.

Although

a

blank

interval

is

inserted

between

tracks

when

the

Auto

Space

function

is

operating,

the

4-second

interval

is

not

added

to

the

time

remaining

display

or

to

the

time

display

during

Auto

Edit.

Time

Mode

Button

(TIME)

This

button

is

used

to

select

the

type

of

information

to

be

read

out

under

the

TIME

section

of

the

display.

Either

the

elapsed

playback

time

of

the

current

track,

the

remaining

playback

time

for

that

track,

or

the

playback

time

for

the

remaining

tracks

on

the

disc

can

be

selected.

Normaily

the

elapsed

playback

time

of

the

current

track

is

displayed.

If

the

button

is

pressed

once,

the

in-

dicator

lights

and

the

remaining

time

left

to

play

on

the

track

is

displayed.

If

the

button

is

pressed

again,

the

SINGLE

|

indicator

goes

out,

and

the

[TOTAL

|

indicator

goes

on,

and

the

playback

time

for

the

remaining

tracks

left

on

the

disc

is

displayed.

If

the

button

is

pressed

once

more,

the

TOTAL

|

indicator

goes

out

and

the

display

returns

to

the

elapsed

playback

time

for

that

track.

If

the

button

is

pressed

so

that

the

LTOTAL

Jindicator

lights

during

programmed

playback,

the

playback

time

for

all

of

the

remaining

programmed

tracks

is

displayed.

All

Button

(ALL)

e@

Press

this

button

to

repeat

playback.

@

When

the

[ALL]

button

is

pressed,

the

[REPEAT

]

indicator

lights

and

repeated

playback

is

performed

for

all

of

the

tracks

on

the

disc.

During

programmed

playback,

all

of

the

tracks

programmed

into

memory

are

played

repeatedly.

Press

the

[REPEAT

|

button

again

to

cancel

the

repeat

operation.

One

Track

Repeat

Button

(1)

@

Press

this

button

when

desiring

to

replay

1

track

only.

Pressing

this

button

while

a

track

is

playing

will

cause

the

player

to

replay

that

track

only.

(Refer

to

page

8).

A-B

Repeat

Button

(A

—

B)

@

Press

this

button

to

perform

repeated

playback

of

a

desired

section

between

two

specified

points.

(Refer

to

page

8

for

details.)

Index

Button

(INDEX)

e@

Press

this

button

when

playing

from

the

index

within

the

tracks.

Specify

the

index

No.

from

the

ten

key

pad.

Clear

Button

(CLEAR)

e

Use

this

key

to

make

corrections

in

the

programmed

tracks.

Call

Button

(CALL)

@

Press

this

button

to

verify

the

track

numbers

that

have

been

programmed

into

memory.

Program

and

Direct

Button

(PROG/DIRECT)

@

Press

this

button

to

select

the

memory

program

function

or

direct

track

selection

function.

+10

Button

(+10)

@

Press

this

button

to

select

a

track

number

that

is

larger

than

11.

e@

The +10

button

is

used

in

conjunction

with

the

ten-key

pad

@.

For

example,

to

select

track

number

15,

press

the

button

and

then{S]on

the

ten-key

pad.

@

Similarly,

to

select

track

number

32,

press

[+10]

,

[+10],

+10]

and

then

press

[2].

Ten

key

red

(1,

2,

3, 4, 5, 6,

7,

8,

9,

10)

These

buttons

are

pressed

for

direct

track

selection

or

to

Program

a

selection

into

memory.

For

example,

to

play

back

the

third

track

using

the

direct

selection

function,

press

[3]

on

the

key

pad.

Track

number

3

will

then

start

to

play.

To

play

track

number

12,

press

[+10]

and

then

:

@

To

use

the

keypad

in

program

mode,

first

press

the

(PROG/

DIRECT)

button

@®

to

enter

the

correct

mode.

Play

Button

(

»

PLAY)

e

Press

this

button

to

play

a

disc.

@

When

the

PLAY

button

is

pressed,

the

[PLAY]

indicator

lights,

and

the

number

of

the

track

being

played,

the

index

number,

and

the

elapsed

playback

time

for

that

track

are

displayed.

The

calendar

lights

to

display

the

all

of

the

playback

tracks.

The

displayed

tracks

then

go

out

in

order

as

each

finishes

playing.

@

When

playback

of

the

last

track

has

finished,

the

indicator

goes

out,

and

the

machine

enters

stop

state.

@

It

is

also

possible

to

use

the

PLAY

button

to

close

the

disc

holder

after

a

disc

has

been

inserted.

Playback

then

begins.

@®

pene

Button

(

Il

PAUSE)

Press

this

button

to

stop

the

playback

temporarily.

e

If

the

PAUSE

button

is

pressed

during

playback,

the

play

is

stopped

temporarily,

the

[PBPLAY]

indicator

goes

out,

and

the

[LILPAUSE

indicatortinhdiae-

-

e

To

end

the

pause,

push

the

PLAY

button

@®

or

PAUSE

button

®

again.

@®

Stop

Button

(HM

STOP)

@

Press

this

button

to

stop

the

playback.

@

The

rotation

of

the

disc

stops,

and

the

total

number

of

tracks

and

the

total

playback

time

are

read

out

on

the

TRACK

NO,

and

TIME

sections

of

the

display.

@

During

programmed

playback,

the

total

number

of

tracks

programmed

in

memory

and

the

total

programmed

per-

formance

time

are

displayed.

@

Automatic

Search

Reverse

Button

(

Kd

)

@

Press

this

button

to

move

the

pickup

backward,

to

return

to

the

beginning

of

the

desired

track.

e

If

this

button

is

pressed

during

playback

or

pause,

the

pick-

up

moves

back

ward

to

the

beginning

of

the

track

that

corresponds

to

the

number

of

times

the

button

was

pressed.

@

Automatic

Search

Forward

Button

(

>>I

)

@

Press

this

button

to

move

the

pickup

forward

and

advance

to

the

beginning

of

the

desired

track.

e

If

this

button

is

pressed

during

playback

or

pause,

the

Pick-

up

moves

forward

to

the

beginning

of

the

track

that

corres:

ponds

to

the

number

of

times

the

button

was

pressed.

@

Manual

Search

Reverse

Button

(

<4

)

©

Press

this

button

to

move

playback

in

fast

reverse.

@

When

the

machine

is

in

play,

sound

will

be

produced

during

the

time

that

the

button

is

being

pressed

and

the

fast

re-

verse

is

operating.

e

If

the

button

is

pressed

while-the

machine

is

in

the

Pause

state,

the

fast

reverse

will

operate

three

times

faster

than

the

reverse

speed

when

the

machine

is

in

the

play

state.

~

No

sound

will

be

produced.

@)

Manual

Search

Forward

Button

(

>>

)

@

Press

this

button

to

move

playback

in

fast

forward.

@

Whe

the

machine

is

in

play,

sound

will

be

produced

during

the

time

that

the

button

is

being

pressed

and

the

fast

for-

ward

is

operating.

e

lf

the

button

is

pressed

while

the

machine

is

in

the

Pause

state,

the

fast

forward

will

operate

three

times

faster

than

the

fast

forward

speed

when

the

machine

is

in

the

play

state.

No

sound

will

be

produced.

@

Headphone

Jack

(PHONES)

@

When

using

headphones,

please

listen

to

them

at

an

appro-

priate

volume.

(Headphones

are

sold

separately.)

@®

Volume

adjustment

knob

e@

This

knob

is

used

to

adjust

the

output

level

(volume)

of

the

headphone

jack.

@

Digital

Output

Switch

(DIGITAL

OUTPUT)

©

Use

this

switch

to

turn

the

digital

output

terminal

signal

on

and

off.

©

The

digital

signal

is

not

output

when

this

switch

is

off.

@)

Output

terminal

(FIX-VARIABLE)

@

Connect

the

output

terminal

to

the

input

terminal

of

the

amp.

(Refer

to

page

6

for

details

on

connections.)

@®

Digital

Output

Terminal

(DIGITAL

OUTPUT-

COAXIAL)

@

This

terminal

outputs

digital

data.

@

Digital

Output

Terminal

(DIGITAL

OUTPUT-

OPTICAL)

This

terminal

output

data

as

fight.

Optical

fiber

cord

used:

Tos-Link

types

TOCP155

or

TOCP172.

Z

Caution:

Optical

fiber

cord

is

sold

separately.

NOTE

FOR

HANDLING

OF

LASER

PICK-UP

@

NAMES

OF

PARTS

e

NAME

PLATE

==:

.

oe

+Z-axis

Direction

—_

Z-axis

Cover

KSS-I5IA

Object

Lens

;

OOOO0O0

Slide

Base

©

C00:

Year

(last

figure)

Day

Month

Quality

Control

No.

LotNo.

CO

O

OO

O

OP

Unit

:

Note:

Month

indication

X,

Y,

Z

signify

10,

11,12.

lo

Nameplate

Z-axis

P

O

O

O

O

Y-axis

Controf

Letter

|

1

Figure

1st

Decimal

Place

¢

by

the

Plant

(Tangentia}

Direction)

10

Figures

X-axis

(Radial

Direction)

Indication

unit

is

mA

omitted

a

decimal

point.

@

CONNECTION

DIAGRAM

OF

CONECTOR

(1)

KSS

151A

Accessory

flexible

wire

terminals.

:

Soldered

Short

Circuit

Portion

(A)

A

a

@

CONNECTION

DIAGRAM

OF

CONECTOR

(2)

KSS-151A

>

TERMINAL

P.W.B

>

MAIN

P.W.B

2U-1461

TERMINAL

PW.B

2U-1454

MAIN

PW.B

I

Soldered

Short

Circuit

Portion

(A)

\}

Note:

The

soldered

connecting

portion

must

be

bridged

“So

when

removing

CC102.

eee

eee

ea

Cautions

for

Handling

the

Laser

Pick-up

The

laser

pick-up

KSS-151A

is

assembled

and

precisely

adjusted

using

a

sophisticated

manufacturing

process

in

our

plant.

Do

not

disassemble

or

attempt

to

readjust

it.

Please

keep

the

following

instructions

carefully

in

handling

pick-

up.

1.

General

Care

(1)

Storage

Do

not

store

the

pick-up

in

dusty,

high-temperatured

or

high-humidity

environments.

(2)

Please

take

care

for

preventing

from

shock

by

falling

down

or

careless

handling.

2.

Laser

Diode

(LD)

(1)

Protect

your

eyes

The

laser

beam

may

damage

the

human

eye,

since

the

intensity

of

the

focused

spot

may

reach

1.3

x

10*

W/

cm?

even

if

the

intensity

at

the

object

lens

is

400

UW

maximum,

As

the

light

beam

spreads

after

focused

through

the

objective

lens,

it

does

not

effect

you

in

the

place

as

far

as

more

than

30cms.

However,

do

not

look

at

the

laser

light

beam

either

through

the

objective

lens

directly

nor

another

lens

or

a

mirror,

(2)

Poison

of

As

Since

the

LD

chip

contains

As

(Arsenic),

as

GaAs

+

GaAlAs,

as

known

as

the

poison,

although

the

poison

is

relatively

weak,

in

comparing.

with

others,

e.g.

As,03,

AsCl3

etc.,

and

the

amount

is

small,

avoid

putting

the

chip

in

acid

or

an

alkali

solution,

heating

it

over

200°C

or

putting

it

into

your

mouth...

..

(3)

Avoid

surge

current

or

electrostatic

discharge

The

LD

may

be

damaged

or

deteriorated

by

it’s

own

strong

light

if

a

large

current

is

supplied

to

it,

even

if

only

a

short

pulse.

—

-Make

sure

that

there

is

no

surge

current

in

the

LD

driving

circuit

by

switches

or

else.

Be

careful

to

handle

pick-up

as

it

may

be

damaged

in

a

moment

by

human

electrostaic

discharge.

The

pins

of

the

LD

are

short-

circuited

by

solder

for

protection

during

shipment

(Soldered

short

circuit

portion

(A)].

For

safety

handling

of

an

LD,

grounding

the

human

body,

measuring

equipments

and

jig

is

strongly

recom-

mended,

And

still

it is

further

desirable

to

make

use

of

mat

on

the

platform

and

floor

for

handling

the

LD.

To

open

the

short

circuit,

remove

the

soldering

quickly

with

a

soldering

iron

whose

metal

part

is

grounded.

The

temperature

of

the

soldering

iron

should

be

less

than

320°C

(30W).

'\

3,

X-axis

Actuator

(1)

The

performance

of

the

actuator

may

be

effected

if

magnetic

material

is

located

nearby,

since

the

actuator

has

a

strong

magnetic

circuit.

Do

not

permit

dust

to

enter

through

the

clearance

of

the

cover.

(2)

Cleaning

the

lens

It

may

change

the

specifications

when

dust

or

dirt

is

stuck

on

the

object

lens.

For

cleaning,

use

a

dry_tense¥@aning

paper

applying

no

excessive

pressure

to

the

lens.

If

it is

difficult

to

re-

move

it,

moisten

the

paper

with

a

little

amount

of

water.

At

this

time

never

drip

water

other

than

the

lens

portion.

4.

The

Metal

Bearing

The

metal

bearing

of

Cu-compound

sintered

alloy

is

im-

pregnated

with

oil.

However,

supply

oi!

with

the

specified

oil

Froil

0147P,

at

the

pick-up

replacing

time.

You

do

not

normally

need

lublicate

the

bushing

in

initializing

time

nor

supplying

oil

in

running

time.

5.

Handling

Please

handle

the

laser

pick-up

with

holding

by

optical

base.

When

either

a

part

of

human

body

or

some

other

things

may

happen

to

touch

directly

with

the

circuit

part

of

either

the

LD

or

PD

PCB,

it

may

cause

deterioration,

take

careful

attention

in

handling

this

base.

6.

Deterioration

of

Laser

Pick-up

When

difficulty

occurs

either

in

focus

or

tracking

adjust-

ment

nor

able

to

adjust

the

focus

or

tracking,

it

seems

that

the

laser

pick-up

is

deteriorated.

In

these

cases,

check

a

value

of

laser

diode

current

and

give

a

decision

for

deterioration.

7.

Fundamental

Deterioration

Decision

of

Laser

Pick-up

(1)

If

a

voltage

value

across

Pin

@)

of

TP102

(+5V)

and

Pin

@

(iop)

of

Unit

(2U-1454)

is

V1,

the

value

of

laser

diode

current

“‘iop

1’’

can

be

found

a

formula

iop

it

(2)

If

a

“iop”

exceeds

+10%

compared

with

the

IOP

indi-

cation

on

the

laser

pick-up

mameplate,

there

is

a

fair

chance

for

deterioration

when

it

is

checked

under

a

circumambient

temperature

23°C.

(3)

When

the

circumambient

temperature

changes

+10°C,

“iop

1”

will

change

5%.

The

“‘iop

1°’

will

also

be

changed

the

passage

of

time.

(4)

In

case

of

the

above

conditions

taking

into

considera-

tion

and

performed

the

adjustment

in

proper

way,

if

the

HF

level

across

pin

(1)

and

across

(HF)

GND

of

TP102

in

2U-1454

becomes

0.6V

or

less

values;

or

a

_

gitter

occurs

great,

the

laser

pick-up

is

may

be

deteriorated.

DISASSEMBLY

Top

Cove

4

anne

oe

e

Top

Cover

me

D

h

Slanty

U

d

1.

Remove

4

screws

on

upper

side

of

the

Top

Cover.

ae

ica

2.

Pull

the

Top

Cover

slantwise

upward

with

opening

the

bottom

parts

slithgly

right

and

left.

pen

the

lower

part

right

and

left.

(Caution

in

assembling

Top

Cover)

1.

Couple

the

hook

in

the

center

position

of

the

Top

Cover

with

the

notch

part

of

Front

Panel.

Top

Cover

{

1

{

i

Front

Panel

i

i

1

|

i

i

i

1

i

t

i

H

i

5

|

|

|

|

2.

Make

the

setting

as

no

clearance

between

Front

Panel

and

the

Top

Cover

viewing

from

the

upper

side

of

the

setting.

Top

Cover

|

A

Front

Panel

e

Bottom

Cover

1.

Remove

9

screws

holding

the

Bottom

Cover

and

detach

;

Bottom

Cover

the

Bottom

Cover

with

the

Insulaters

attached.

(Doubled)

Bottom

Cover

Holding

4

Screw

3

x

10

1

|

NF

laguietor

e

Insulator

and

seperating

the

Double

Bottom

Cover

Detach

the

Bottom

Cover,

and

remove

8

screws

securing

the

Insulators

to

take

out

Insulators

and

separate

Doubled

Bottom

Cover,

Note:

The

hook

may

break

if

it

is

pushed

top

firmly.

A

square

hole

on

the

front

panel

as

a

stopper

to

:

insert

a

G)

screwdriver

(approx.

@6)

not

coming

into

top

far.

Insulator

securing

screw

Bottom

Cover

(Doubled)

<a

Insulator

e

Front

Panel

1.

Remove

the

Top

Cover,

and

unfasten

3

screw

(A)on

the

upper

side.

®

¥

2.

Push

and

release

3

each

hooke

on

the

upper

and

lower

af

sides.

Then

draw

out

the

Front

Panel

frontward

and

de-

Front

Panel

tach

it.

Hook

10

FG-610

LASER

PICK-UP

MECHANISM

How

to

move

the

Looder

Frame

manually

Manually

push

the

lock

arm

(a)

to

the

rightward

and

pull

the

Loader

frontward,

then

the

Loader

can

be

open/close

manually.

Whole

body

of

the

Laser

Pick-up

Mechanism

FG-610

Removing

4

screw

makes

possible

to

detach

whole

body

of

the

Laser

Pick-up

Mechanism

from

the

Chassis.

Loader

Frame

Remove

whole

body

of

the

Laser

Pick-up

Mechanism

FG-610,

pull

the

Loader

Frame

frontward,

lift

the

Loader

Rail

G4)

upward

and

pull

it

out

backward,

then

the

Loader

Frame

can

be

taken

out.

Housing

Assembly

Remove

4

screw

Or

=

(a)3,

and

detach

the

Assembly

composed

of

Laser

Pick-up

Magnet,

Yoke,

Turntable,

and

Spindle

Motor.

By

removing

of

screw

@).

the

parts

for

mechanism

floating

can

be

taken

down

as

illustration

shows.

When

reassembling,

remind

that

the

Washer

and

H-damper

are

commonly

used,

but

the

Coil

Spring

and

Collar

are

provided

two

types

for

maintaining

equilb-

rium.

4630515

000

COIL

SPRING

(D)

463

0515

000

433

0484

004

COLLAR

(A)

433

0485

003

COLLAR

(B)

COIL

SPRING

(D)

433

0485

003

COLLAR

(B)

.463

0514

001

COIL

SPRING

(C)

Coil

spring

(D)

(used

3

each)

is

marked

in

red.

Coil

spring

(C)

(used

3

each)

is

not

marked.

Collar

(B)

(used

2

each)

is

made

of

brass

(yellow).

Collar

(A)

(used

2

each)

is

made

of

brass

plated

with

nickel

(white)

Laser

Pick-up

KSS-151A

(1)

Detach

the

Housing

Assembly

illustration.

(2)

Remove

2

screws

@),

unsolder

2

portions

(8),

and

detach

the

Speed

Detection

Coil.

(3)

Next,

remove

2

screws

)

unsolder

2

portions

(),

and

detach

the

Drive

Coil.

And

pull

out

the

Shaft

at

portion

(E

),

then

the

Lase

Pick-up

can

be

taken

out.

Washer

Coil

Spring

(C),

(D)

H-damper

Collar

(A),

(B)

om,