Technics SL-HD301 Manuale utente

ORDER

NO.

AD9902011C8

Service

Manual

Compact

Disc

Player

MASH"

SL-HD301

aliste

MASH

trademark

NTT.

SL-HD501

DIGITAL

AUDIO

SB-HD301

$B-HD301

Color

SB-HD501

(N)..........

Gold

Type

SHS

SEER

ing

Bisel

aoe

Europe,

Asia

Latin

America,

Middle

Near

East,

Africa,

Oceania,

East

Europe

and

Russia.

System:SC-HD301

SC-HD501

Remote

control

RS-HD301

SE-HD301

transmitter

RS-HD501

SE-HD501

Because

unique

interconnecting

cables,

when

component

requires

service,

send

bring

the

entire

system.

Note:

Refer

the

service

manual

for

Model

No.

SE-HD301/501(ORDER

NO.AD

9902013C2

and

AD9902014C2)

for

information

“ACCESSORIES,

"INSTALLATION”,

‘CONNECTIONS’

and

"PACKAGING".

RAE0152Z

Mechanism

Series

Specifications

Audio

General

converter:

bit

DAC

MASH

Dimensions

(WxHxD):

(SL-HD301)186

229

Digital

output

terminal:Opticalx1

(SL-HD501)196

229

Pickup

Weight

1.2

Wavelength:780nm

Power

Supply:

DC13V/N10V

Format

Power

Consumption:

10W

Sampling

frequency:44.1kHz

Notes:

1.Design

and

specifications

are

subject

change

without

notice.

2.Dimensions

and

weight

are

approximate.

System

SC-HD301:

Tuner:ST-HD301,Compact

Disc

Player:SL-HD301

,Amplifier:SE-HD301,Cassette

Deck:RS-HD301,Speakers:SB-HD301

(Made

PAIS.)

SC-HD501:

Tuner:ST-HD501,Compact

Disc

Player:SL-HD501

,Amplifier:SE-HD501,Cassette

Deck:RS-HD501,Speakers:SB-HD501

(Made

PAIS.)

WARNING

This

service

information

designed

for

experienced

repair

technicians

only

and

not

designed

for

use

the

general

pubic.

does

not

contain

warnings

cautions

advise

non-technical

individuals

potential

dangers

attempting

service

pod!

uct.

Products

powered

electricity

should

serviced

repaired

only

experienced

professional

technicians.

Any

attempt

service

repair

the

product

products

dealt

with

this

service

information

anyone

else

could

result

serious

injury

death.

Technics

1999

Matsushita

Electric

Industrial

Co.

Ltcd.

All

rights

reserved.

Unauthorized

copying

ancl

distribution

violation

law.

fea

SL-HD301

SL-HD501

CONTENTS

Page

Befor:

Repalin

#-t2rs-eeci

erence

tears

cte

cee

atecee

epee

Precaution

Laser

Diode

----------------------------------rrrrrrrre

rrr

Operating

Instructions

-------------------------------------rnee

rere

Handling

Precautions

for

Traverse

Deck

-------------------------------

4.1.

Handling

traverse

deck

(optical

pickup)

----------------------~

4.2.

Grounding

for

electrostatic

breakdown

prevention

------------

Operation

Checks

and

Component

Replacement

Procedures6

Error

Code

Display

and

Servo

Adjustment

Function

------------

6.1.

Error

code

display

procedure

~-----------++-----+--7-se---2r2020

6.2.

Servo

adjustment

procedure

[ORC

10)

Mesurements

and

Adjustments

---------------------------77-------

7.1.

Power

Supply

This

Unit

alone

7.2.

Check

Signals

------------------1-r2erreersnreceeeecence

nce

esentcree

econ

Block

Diagram

~------------------------2--errree

crete

ence

cree

ences

Schematic

Diagram

Notes

------------------------2--22-eeeee

eter

9.1.

Scheamtic

Diagram

Notes

-----------:+---+2------r22ereerreeceeereees

9.2.

Type

Illustration

IC’s,

Transistors

and

Diodes

-------------

Schematic

Diagram

-------------------------------reee

err

eeee

ener

necne

nent

Printed

Circuit

Board

Diagram

-------------------------2--2---rre

rere

Wiring

Connection

Diagram

----------------+-----------ereeer

teeter

Terminal Function

IC's

---------------------r-sreereere

ere

enentet

sets

tters

tes

Replacement

Parts

List

Mechanism

Parts

Location

--------------------+----------70+

Cabinet

parts

Location

~---------------------------------rrreerretnreererees

Befor

Repair

This

equipment

(SL-HD301/501),which

component

this

system,is

supplied

with

power

from

the

amplifier

(SE-

HD301/501)

through

the

tuner

(ST-HD301/501).

When

repairing

this

equipment

checking

operation

the

system,

sure

connect

the

amplifier

and

tuner

with

it.

Precaution

Laser

Diode

CAUTION:

This

product

utilizes

laser

diode

with

the

unit

turned

“on”,

invisible

laser

radiation

emitted

fromthe

pickup

lens.

Wave

length:780

Maximum

output

radiation

power

from

pickup:

100

W/VDE

Laser

radiation

from

the

pickup

lens

safety

level,but

sure

the

followings:

not

disassemble

the

optical

pickup

unit,

since

radiation

from

exposed

laser

diode

dangerous.

not

adjust

the

variable

resistor

the

pickup

unit.

was

already

adjsuted.

not

look

the

focus

lens

using

optical

insturments.

Recommend

look

pickup

lens

for

long

time.

LUOKAN

LASERLAITE

KLASS

LASER

APPARAT

SL-HD301

SL-HD504

This

equipment,

even

the

state

single

equipment,

permits

power

supply

and

operation

check.

When

operating

single

equipment

without

the

amplifier

and

tuner,

refer

the

paragraph

Measurements

and

Adjustments".

ACHTUNG:

Dieses

Produkt

enthalt

eine

Laserdiode.

eingeschalteten

Zustand

wird

unsichtbare

Leserstrahlung

von

der

Laserinheit

adgestrahit.

Wellenlange:

780

Maximale

Strahlungsleistung

der

Lasereinheit:

100

W/VDE

Die

Strahlungan

der

Lasereinheit

ungefahrlich,

wenn

folgende

Punkte

beachtet

werden:

Die

Lasereinheit

nicht

zerlegen,

die

Strahlung

der

freigelegten

Laserdiode

gefahrlich

ist.

Den

werkseitig

justierten

Einstellregler

der

Lasereinhit

nicht

verstellen.

Nicht

mit

optischen

Instrumenten

die

Fokussierlines

blicken.

Nicht

Gber

langere

Zeit

die

Fokussierlines

blicken.

INVISIBLE

LASER

RADIATION

WHEN

OPEN

DANGER

AVOID

DIRECT

EXPOSURE

BEAM.

USYNUG

LASERSTRLING

VED

BNING,

SIKKE

RHEDSAFBRY

DERE.

ADVARSEL

UDE_AF_FUNKTION.

UNDG

LOS@TTELSE

FOR

STRLING

VARO!

AVATTAESSA

SUQUALUKITUS

OHITETTAESSA

QLET

ALTTRNA.

NAYMT..NT

LASERSTEILYLLE

L_KATSO

STEESEEN

OSYNLIG

LASERSTRLNING

DENNA

DEL

...PPNAD

OCH

VARNING

SPRREN

RURKCPPLAD._BETRAKTA

STRLEN.

USYNLIGLASERSTRLING

DEKSEL

PNES

OGSIKKERHEDSIS

ADVARSEL

BRYTES.__UNNG

EKSPONERING

FOR_ST

RLEN.

UNSICHTBARE

LASERSTRAHLUNG

WENN

ABDECKUNG

CE.

FFNET

VORSICHT

NICHT

DEM

STRAHL

AUSSETZEN,

CAUTION!

THIS

PRODUCT

UTILIZES

LASER.

USE

CONTROLS

ADJUSTMENTS

PERFORMANCE

PROCEDURES

OTHER

THAN

THOSE

SPECIFIED

HEREIN

MAY

RESULT

HAZARDOUS

RADIATION

EXPOSURE.

Operating

Instructions

Front

Panel

Controls

Disc

tray

@®

Disc

tray

open/close

button

OPEN/CLOSE)

TEXT

button

(CD

TEXT)

Scroll

button

(SCROLL)

edit

button

(Al

EDIT)

Skip/search

buttons

(I<

/<<,

>P>/P>P1)

Stop

button

(lM)

Pause

button

(If)

Play

button

and

indicator

(>)

The

color

the

indicator

depends

the

operation.

stopped:

orange

playing

paused:

green

Sequential

play

Preparation:

Press

[(/I]

turn

the

unit

on.

Press

OPEN/CLOSE]

and

set

the

tray.

Press

OPEN/CLOSE]

once

again

the

tray.

When

the

“CD”

input

source

selected,

total

number

tracks

and

total

playing

time

will

appear

the

display.

you

insert

TEXT

disc,

TEXT

data

displayed

(see

below).

Press

[P].

Play

starts

from

the

first

track

and

stops

after

the

last

track.

Adjust

the

volume.

stop

the

disc:

Press

[Mi].

pause

play:

Press

[8]

during

play.

resume

play,

press

[1H]

[>].

Skipping

tracks:

Press

/<<]

skip

backward.

Press

[>/»1]

skip

for-

ward.

ere

Searching

through

tracks

during

play:

Press

and

hold

[Ké/<¢<]

backward.

Press

and

hold

[>/PP1]

forward.

Label

must

Total

number

Total

playing

During

random

play,

you

can

not

skip

tracks

which

have

been

face

upward.

tracks

time

played.

During

program

play

random

play,

you

can

search-forward/

backward

only

within

the

current

track.

During

program

play,

skipping

always

the

programmed

order,

whether

forward

backward.

not

use

CDs

with

poorly

attached

labels

stickers.

Adhesive

protruding

from

underneath

stickers

left

over

from

peeled

off

stickers

can

cause

your

system

malfunction.

®Do

not

use

irregular

shape

CDs.

Elapsed

play

Track

number

time

Playing

TEXT

discs

TEXT

discs

have

text

information

recorded

onto

them

(e.g.

name

the

album

and

artist,

messages,

etc.).

This

unit

able

display

this

text

you

enjoy

the

CD.

Playback

the

same

for

normal

audio

CDs.

switch

between

the

text

display

and

the

normal

dis-

play:

Press

[CD

TEXT].

The

displays

switch

each

time

the

button

pressed.

scroll

the

text:

Press

[SCROLL].

After

displaying

“SCROLL

ON’,

the

(or

track)

title,

artists

narve

and

other

information

scrolls

continuously

across

the

screen.

cancel:

Press

[SCROLL].

“SCROLL

OFF”

displayed.

The

text

content

differs

from

CD.

SL-HD301

SL-HD501

Handling

Precautions

for

Traverse

Deck

The

laser

diode

the

traverse

deck

(optical

pickup)

may

break

down

due

potential

difference

caused

static

electricity

4.1.

1.Do

not

subject

the

traverse

deck

(optical

pickup)

static

electricity

extremely

sensitive

electrical

shock.

2.The

short

land

between

the

No.

(GND)

and

No.

(LD)

pins

the

flexible

board

shorted

with

solder

build-up

prevent

damage

the

laser

diode.

(As

shown

Fig.

1.)

connect

the

board,

sure

open

removing

the

solder

build-up,

and

finish

the

work

quickly.

Take

care

not

apply

excessive

stress

the

flexible

board

(FFC).

not

turn

the

variable

resistor

(laser

power

adjustment).

has

already

been

adjusted.

(As

shown

Fig.

1.)

4.2.

Human

body

grounding

Use

the

anti-static

wrist

strap

discharge

the

static

electricity

from

your

body.

(As

shown

Fig.

2.)

2.Work

table

grounding

Put

conductive

material

(sheet)

steel

sheet

the

area

where

the

optical

pickup

placed,

and

ground

the

sheet.

Caution:

The

static

electricity

your

clothes

will

not

grounded

through

the

wrist

strap.

So,

take

care

not

let

your

clothes

touch

the

traverse

deck

(optical

pickup).

No.5

(LD

GND)

clothes

human

body.So,

careful

electrostatic

breakdown

during

repair

the

traverse

deck

(optical

pickup).

Handling

traverse

deck

(optical

pickup)

Flexible

board

(FFC)

Lens

(Handle

carefully)

(Do

not

touch)

Variable

resistor

No.

(LD)

(Do

not

turn)

Clip

short-pin

Fig.

Grounding

for

electrostatic

breakdown

prevention

Wrist

strap

(Anti-static

bracelet)

plate

some

metals

conduct

electricity

Operation

Checks

and

Component

Replacement

Procedures

(e203

This

section

describes

procedures

for

checking

the

operation

the

major

printed

circuit

boards

and

replacing

the

main

components.

For

reassembly

after

operation

checks

replacement,

reverse

the

respective

procedures.

Special

reassembly

procedures

are

described

only

when

required.

Select

item

from

the

following

index

when

checks

replacement

are

required.

Contents

Checking

Procedures

for

each

P.C.B.

Checking

for

the

servo

P.C.B..

Checking

for

the

main

P.C.B..

Main

Component

Replacement

Procedures

Replacement

for

the

traverse

deck

ass'y.

Replacement

for

the

belt,

motor

ass'y

and

switch.

Lead

wire

and

flat

cable

arrangement

Checking

Procedures

for

each

P.C.B.

Checking

for

the

servo

P.C.B.

Remove

the

cabinet.

Step

Remove

the

side

panel

(L),

(R).

Spread

the

lower

part

the

side

panels

the

direction

arrow

release

the

ribs,

and

then

lift

remove

the

side

panels

the

direction

arrow

Side

panel

(L)

Side

panel

(R)

Remove

the

unit.

shown

below.

servo

P.C.B.

Checking

for

the

main

P.C.B.

the

item

checking

procedure

for

each

P.C.B..

When

installing

the

main

P.C.B.,

make

sure

that

the

holes

main

P.C.B.

are

alined

with

the

ribs

bottom

cabinet.

Main

PC.B.

Release

the

claws,

and

then

lift

the

rear

panel

and

main

P.C.B.

remove.

shown

below.

Cap

Connect

the

lead

wire.

Check

the

main

P.C.B.

GND

plate

Raise

the

main

P.C.B.

Main

Component

Replacement

Procedures

Replacement

for

the

traverse

deck

ass'y

the

item

checking

procedure

for

each

P.C.B..

wes

Pull

out

the

FFC

from

nas

connector

(CN402).

Remove

unit.

Remove

the

Connector

connector.

(CN402)

Remove

the

clamper

assy.

SL-HD301

SL-HD501

Removal

the

FFC

board

tep

Rotate

the

gear.

Push

the

top

the

connector

the

direction

arrow

©,

and

then

pull

out

the

FFC

board

Pull

out

the

direction

arrow

disc

tray.

Top

the

connector

FEC

board

NOTE

FFC

board

Insert

short

into

the

traverse

unit

FFC

board.

(Refer

“Handling

Precautions

for

Traverse

Deck”

Short

Widen

the

boss

using

—2.

Pull

out

the

pinin

the

Release

the

claws.

regular

screwdriver.

direction

the

arrow.

Screwdriver

Pull

out

Boss

the

pin.

Pull

out

the

disc

tray.

@x2

risa

Traverse

deck

ass'y

(CN701).

LOREM

Rel

Spring

(Sliver)

Spring

(Silver)

Unsolder

careful

not

lose

the

springs

Removethne

claw.

because

those

will

also

removed

removal

the

traverse

deck

ass'y.

SL-HD301

SL-HD501

installation

the

disc

tray

after

replacement

;

Operate

the

conversion

lever,

and

then

locate

the

traverse

deck

;

DOWN”

position.

Operate

the

conversion

lever,

and

then

locate

the

traverse

deck

ass'y

“UP”

position.

;

aes

Conversion

Traverse

deck

ass'y

Press

the

disc

tray.

Installation

the

servo

P.C.B.

after

replacement

Step

Connect

the

FFC

Rest

detect

switch

Install

the

servo

P.C.B.

the

traverse

deck

ass’y.

Install

the

Move

the

drive

ruck

ass'y

the

direction

oot

Latch

the

claw

the

arrow

disc

tray.

Supporting

the

disc

tray

manually,

engage

the

drive

gear

(B)ass'y

Drive

gear

(B)

ass'y

with

the

gear

and

then

slide

stop

the

disc

tray.

Marking

“<q”

Rotate

the

gear

move

the

side

optical

pickup

toward

the

outer

edge

from

the

marking

Before

installing

the

servo

P.C.B.,

move

the

optical

ickup

toward

the

outer

edge

from

the

mark

“q”

TOtherwise,

the

rest

detect

switch

mounted

Disc

tray

the

servo

P.C.B.

may

damaged.

SL-HD301

SL-HD501

Replacement

for

the

belt,

motor

ass'y

and

switch.

the

item

checking

procedure

for

each

P.C.B..

the

item

main

component

replacement

procedures.

Lead

wire

and

flat

cable

arrangement

Flat

cable

Remove

the

claws.

Remove

the

belt

[RMG@158]

Release

the

claws.

Unsolder.

switch

[RSH1A005]

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