Hitachi FX-10 Manuale utente

olad

3.3

TaN

Mee

No.so7e

FX-10

SERVICE

MANUAL

[E,

CAUTION

DANGER

Invisible

laser

radiation

when

open

and

interlocks

failed

defeated.

AVOID

DIRECT

EXPOSURE

BEAM.

GEFAHR

Unsichtbare

Laser-Strahlung

wenn

Interlock

(Blockierung)

funktionsuntichtig

oder

abgeschaltet.

UNMITTELBAREN

KONTAKT

MIT

DEM

STRAHL

UNBEDIGT

VERMEIDEN.

DANGER

Faire

tres

attention

aux

radiations

émises

par

faisceau

laser

invisible

défaillance

verrouillage.

JAMAIS

S'EXPOSER

DIRECTEMENT

FAISCEAU.

VARNING

Nér

apparaten

Sppnats

och

skyddsanordningen

felar

eller

satts

funktion

férekommer

osynlig

laserstralning.

UNDVIK

DIREKTE

BESTRALING.

ADVARSEL

Nar

apparatet

abnes

beskyttelsesanordningen

ikke

virker

eller

szettes

funktion,

forekommer

der

usynlig

laserstraling.

UNDGA

DIREKTE

BESTRALING.

ADVARSEL

Nar

denne

apen

som

falge

lasen

utkoplet,

eller

ikke

fungerer,

eksisterer

det

usynlig

laserstraling.

UNNGA

BLI

UTSATT

FOR

DIREKTE

BESTRALING!

VARIOITS

Laite

lahettaa

nakymaténta

lasersdteilya,

kun

avataan

kun

sisdiset

turvalukot

eivat

toimi.

VARO

JOUTUMASTA

ALTTIIKS!

SATEILYLLE.

CONTENTS

SPECIFICATIONS

WIRING

DIAGRAM

D-10

EXPLODED

VIEW

DISASSEMBLY

INSTRUCTIONS

PARTS

LIST

STANDARD

MAINTENANCE

DA-10

ELECTRICAL

ADJUSTMENT

DISASSEMBLY

INSTRUCTIONS

SCHEMATIC

DIAGRAM

INSTRUCTION

FOR

HANDLING

PWB

BOTTOM

VIEW

OPTICAL

SYSTEM

BLOCK

PICKUP

WIRING

DIAGRAM

PRECAUTIONS

FOR

CHECKING

BEAM

EXPLODED

VIEW

EMISSION

LASER

DIODE

PARTS

LIST

PICKUP

REPLACEMENT

HMA-10

ADJUSTMENT

DISASSEMBLY

INSTRUCTIONS

TROUBLESHOOTING

ADJUSTMENT

SCHEMATIC

DIAGRAM

SCHEMATIC

DIAGRAM

PWB

BOTTOM

VIEW

PWB

BOTTOM

VIEW

WIRING

DIAGRAM

WIRING

DIAGRAM

EXPLODED

VIEW

EXPLODED

VIEW

PARTS

LIST

PARTS

LIST

HS-FX10

HPT-10/HMA-10

DISASSEMBLY

INSTRUCTION

DISASSEMBLY

INSTRUCTIONS

SCHEMATIC

DIAGRAM

TUNER

ALIGNMENT

WIRING

DIAGRAM

SCHEMATIC

DIAGRAM

EXPLODED

VIEW

PWB

BOTTOM

VIEW

PARTS

LIST

SAFETY

PRECAUTION

following

precautions

should

observed

when

servicing.

Since

many

parts

the

unit

have

special

safety-related

characteristics,

always

use

genuine

Hitachi's

replacement

parts.

Especially

critical

parts

the

power

circuit

block

should

not

replaced

with

other

makers.Critical

parts

are

marked

with

the

circuit

diagram

and

printed

wiring

board.

Before

returning

repaired

unit

the

customer,

the

service

technician

must

thoroughly

test

the

unit

ascertain

that

completely

safe

operate

without

danger

electrical

shock.

The

SPECIFICATIONS

AND

PARTS

ARE

SUBJECT

CHANGE

FOR

IMPROVEMENT

COMPACT

DISC

STEREO

SYSTEM

—

__.,

July

1992

Consumer

Electronics

Division

FX-10

The

caution

labels

laser

usage

DA-10

CAUTION:

INVISIBLE

LASER

RADIATION

WHEN

OPEN

AND

INTERLOCKS

DEFEATED

AVOIDEXPOSURE

BEAM

ARSEL:

pores

LASERSTRALING

VED

ABNI

SIKKERHEDSAFBAYDERE

€R

UDE

FUNKTION

UND!

ease

TENSE

FOR_STRALING.

;

AVATTAESSA

SUQJALUKITUS OHITETTAESSA

OLET

Ara

NAKYMATTUMALLE

LASERSATEILYLLE

ALA

KATSO

LASS

VARNING:

—_

OSYNLIG

LASERSTRALNING

NAR

DENNA

DEL

LASER

PRODUCT

OPPNAD

OCH

SPARREN

URKOPPLAD

BETRAKTA

STRALEN!

HITACHI

sectto

DA-to

MADE

SINGAPORE

HECHO

SINGAPUR

Hitachi

FABRIQUE

SINGAPOUR

SPECIFICATIONS

Preamplifier-Tuner

(HPT-10)

Dynamic

bass:

7OHz

Accessories

Tuning

range:

87.5

108.0MHz

(SOKHz

step)

Signal

Noise

ratio:

96dB

foop

antenna:

MW:

522

1,611kHz

(9kHz

step)

Antenna

holder

and

screws:

Iset

153

281kHz

(kHz

step)

Player

(DA-10)

System

connector

cable

(9P):

Sensitivity

(S/N

26dB):

1.54V

Frequency

response:

20,000Hz

System

connector

cable

(15P):

MW:

61dB/m

Dynamic

range:

98dB

cord

(2P):

68dB/m

Signal

noise

ratio:

103dB

cord

(1P):

Signal

Noise

ratio

Distortion

(1kHz):

0.007%

Remote

control

(RB-10)

(mono):

70dB

Separation

(1kHz)

97dB

Separation

(Stereo):

40dB.

input

sensitivity:

Aux

300mV/47kohms

General

Specifications

Phono

3mvV/47kohms

(switchable)

Power

supply:

AC230V,

50Hz

[E,Z]

DAT

300mvV/22kohms

Power

consumption:

330W

AC240V,

50Hz

[B]

Output/impedance:

DAT

rec

200mV/tkohms

Dimensions:

Pre

out

200mV/1kohms

Player:

225

(W)

(H)

262

(D)

Frequency

response:

20,000Hz

(DAT)

Preamplifier-Tuner:

225

(W)

(H)

275(D)

Distortion

(1kHz):

0.005%

Tape

Deck:

225

(W)

115

(H)

262

(D)

Signal

Noise

ratio:

95dB

Power

Amplifier:

225

(W)

115

{H)

321

(D)mm

Tone

control:

Bass

+/-8dB

(100Hz)

Weight:

Treble

+/-8dB

(10kHz)

Player:

2.0kg

Preamplifier-Tuner:

—1.8kg

Tape

Deck

(D-10)

Tape

Deck:

2.8kg

Frequency

response:

Nor:

15,000Hz

Power

Amplifier:

5.9kg

CrO2

16,000Hz

Timer

accuracy:

Within

seconds

monthly

Metal

40-17,000Hz

rate

Signal

Noise

ratio:

72dB

(Dolby

on)

56d8

(Dolby

off)

Speaker

Systern

(HS-FX10)

Wow

flutter:

0.08%

wrms

System:

16cm

3-way

speaker

system

Impedance:

6ohms

Power

Amplifier

(HMA-10)

Max.

Power

(Music):

100W

Output

power:

SOW

50W

0.02%

(SINUS)

Dimensions:

199

(W)

396

(H)

255

(D)

Distortion

(1/42P):

0.015%

Weight:

10kg

Frequency

response:

50,000Hz

Specifications

are

subject

change

without

Input

sensitivity:

200mV/47kohms

notice

for

performance

inprovement.

Check

that

exposed

parts

are

acceptably

insulated

from

the

supply

circuit

before

returning

the

instrument

repaired

the

customer.

INSTRUMENT

Checking

method

Power

(Operate)

switch

set

ON.

(Exposed

part)

Next,

measure

the

resistance

value

between

the

both

poles

attachment

cup

(Power

supply

plug)

and

the

OUT

terminal

rear

plate

and

check

that

the

resistance

value

500

kohms

more.

Insulation

tester

(DC

500V)

DISASSEMBLY

INSTRUCTIONS

CASSETTE

DECK

Open

the

cassette

covers

and

take

out

the

cassette

tapes.

Remove

five

screws

holding

the

metal

case.

Remove

six

screws

holding

the

cassette

mechanism

set.

Figure

Remove

screw

and

eight

screws

holding

the

cassette

mechanism.

Push

two

tabs,

take

out

the

cassete

lid.

Figure

FX-10

Remove

eight

screws

holding

the

deckamplifier

PCB.

Figure

FX-10

STANDARD

MAINTENANCE

Whenever

unit

brought

for

service

repair,

should

cleaned

and

lubricated

and

the

head

should

demagnetized.

Cleaning:

Clean

the

head

and

all

tape

handing

surfaces

using

standard

cleaner

and

cotton

swabs.

Wipe

dry.

Demagnetization:

not

use

magnetized

tools

near

the

head,

since

they

can

magnetize

it.

With

normal

use,

the

head

with

retain

small

amounts

residual

magnetism

which

results

increased

noise

and

loss

high-frequency

response.

Use

standard

tape

head

demagnetizer

demagnetize

the

playback

head.

Lubrication:

Use

high-grade

specially

formulated

lubricant

the

appropriate

places.

Lubrication

normally

required

only

when

parts

tend

bind,

after

long

period

use.

Use

all

lubricants

sparingly

and

avoid

contact

with

other

parts.

ELECTRICAL

ADJUSTMENT

Pre-Adjustment

Procedures

sure

demagnetize

and

clean

the

head

before

proceeding

with

head

adjustment.

Never

use

magnetized

screwdriver

for

the

head

adjustment.

Tape

Speed

Adjustment

(Figure

Connect

Frequency|

Cassette

FIR

vRa01

Test

Tape:

MTT-111N

Counter

the

CN201

2940Hz~3060Hz

Fig.

Cassette

F/R

VR402

Set

(Deck)

Frequency

Counter

[Sd

Figure

FX-10

Playback

Head

Azimuth

Adjustment

(Cassette

(Figures

and

Connect

and

output

meter

oscilloscope

each

the

CN201.

Playback

and

12.5

kHz

test

tape

and

turn

the

azimuth

adjustment

screw

obtain

the

maximum

output

level

the

left

and

right

channels,

the

forward

and

reverse

play

modes.

When

the

output

level

the

left

and

right

channels,

and

forward

and

reverse

position

differs,

readjust

the

make

the

both

channels,

and

both

directions

the

same

level.

After

adjustment,

secure

the

screw

with

lock

paint

glue.

Record/Playback

Head

Azimuth

Adjustment

(Cassette

2)(

Figures

and

Connect

and

output

meter

oscilloscope

each

the

CN201.

Playback

and

12.5

kHz

test

tape

and

turn

the

azimuth

adjustment

screw

obtain

the

maximum

output

level

the

left

and

right

channels.

When

the

output

level

the

left

and

right

channels

differs,

readjust

make

the

both

channels

the

same

level.

After

adjustment,

secure

the

screw

with

lock

paint

glue.

Set

(Deck)

Output

Meter

——rs

Gnd

——C)

Figure

FX-10

Playback

Level

Adjustment

(Figure

[seo]

connect

[song

[Aaun

omens

Cassette

L-ch

VR217

R-ch

VR317

Cassette

L-ch

VR216

R-ch

Output

Level

580mV

+2dB

Test

Tape:

MTT-150

Connect

Output

Meter

the

CN201

Figure

Bias

Frequency

Adjustment

(Cassette

(Figures

and

10)

sof

men

[sete

[rome

[pee

L172

105kKHz

+1kHz

Recording

Level

Adjustment

(Cassette

(Figure

Metal

Position

Rec

mode

Connect

Frequency

Counter

the

TP101

(Bias)

and

TP102

(Gnd).

(Figures

and

10)

Connect

Output

Meter

the

CN201.

Connect

Audio

Signal

Generator

the

“AUX”

terminal

Pre-Tuner

section.

(Figure

Set

the

Deck

REC/

PAUSE

mode

with

normal

Tape.

Adjust

the

level

L/R

410mV

the

Audio

Signal

Generator.

Record

and

playback.

REC/Playback

Level

410mV

+0.5dB

Bias

Current

Adjustment

(Cassette

(Figure

Deck

Amplifier

PWB

Top

View

Connect

Output

Meter

the

CN201.

Connect

Audio

Signal

Generator

"AUX”

terminal

Pre-Tuner

section.

(Figure

Set

the

Deck

REC/

PAUSE

mode

with

CrO2

Tape.

Adjust

the

level

41imV

CN201

the

Audio

Signal

L/R.

Generator.

Record

and

playback

REC/Playback

Level

41mV

+0.5dB

—

0dB

Set

(Deck)

Output

Meter

Frequency

Counter

L@-L-G0E-B208

Figure

Gnd

countermeasure

statical

electricity

(Figure

11).

Connect

ceramic

capacitor

0.1

the

chassis

deck

Figure

display

PWB.

Set

(Pre-Tuner)

Set

(Deck)

Audio

Signal

Generator

Output

Meter

Gnd

Figure

-7T-

Sg:

FX-10

Cer

ete

Teno

Tal

Make

leakage

current

resistande

mesurments

betermine

that

exposed

metal

parts

are

acceptably

insulated

from

the

supply

circuit

before

SCHEMATIC

DIAGRAM

ratiininy

the.

sppience

to:

the

custoner

Leakage

current

from

microphone

jack

and

battery

terminals

should

not

exceed

0.7

measured

Passette

Deck

through

2.0

kohm

resistor

paralleled

0.45

mfd

capacitor

the

earth

ground.

10104

LA3246

1C4103

BA3126N

C248

=3.3/50V

reel

Gas

ala

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pots

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PRODUCT

SAFETY

NOTICE

Many

electrical

and

mecnanial

parts

this

chassis

neve

special

characteristics.

These

characteristics

often

pass

unnoticed

and

the

protection

afforded

them

cannot

necessarily

obtained

using

replacements

components

rated

for

higher

voltage

etc.

Replacement

parts

that

nave

these

special

safety

characteristics

are

identified

this

manual

and

its

supplements:

electrical

components

having

such

featues

are

idintified

the

schematic

diagrans

and

Before

replacing

any

these

components.

read

the

parts

list

this

manual

carefully.

Tne

use

substitute

replacement

parts

that

not

have

tne

same

safety

characteristics

specified

tne

parts

list

may

create

shock.

fire.

TAPE

ICs

Voltage

[V]

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141

112

[43

[14

FX-10

PWB

BOTTOM

VIEW

NOTE

TAPE

ICs

Voltage

[V]

TAPE

}

The

Original

PWB

Top

View.

emi

fcvoa

Transistor

Voltage

[V]

Cassette

Deck

Switch

Electrical

capacitors:

mark

plus

side.

bars

Hime

eam

rie

a405

To.0

0.0

[

TAPE

Transistor

Voltage

[V]

[Q702

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SEE

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URED

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Voltage

check

position:

Play/Forward

position

X-10

WIRING

DIAGRAM

Cassette

Deck

MOTOR

DECK

AMP.

PW.B.

R/P

HEAD

DECK

DISPLAY

PW.B.

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