Teac R-H500 Manual de usuario

SERVICE

MANUAL

R-H500

'NOTES-~———-

@

PC

boards

shown

are

viewed

from

paris

side.

@

The

parts

with

no

reference

number

or

no

parts

number

in

the

exploded

views

are

not

supplied.

|

@

As

regards

the

resistors

and

capacitors,

refer

to

the

cir-

cuit

diagrams

contained

in

this

manual.

@

A\

Parts

marked

with

this

sign

are

safety

critical

compo-

nents.

They

must

be

replaced

with

identical

components-

refer

to

the

appropriate

parts

list

and

ensure

exact

replace-

ment.

|

@

Parts

of

|

]

mark

can

be

used

only

with

the

version

desig-

nated.

[DM]:

JAPAN

[E]:

EUROPE

Cassette

Deck

CONTENTS

_

SPECIFICATIONS

ee

eee

ee

en

ee

ecw

tis

Be

bce Wwe

we

eB

cee

Bae

oe

hah

aa

Coe

ee

?

IC-FUNGC

TION:

880

0ess

eno

te

ee

eee

ane

eae

fe

Se

ee

Aikcasiete

Be

eee

6

WIRING

DIAGRAM:

--+ec

cet

e

eee

RACH

NERS

SHS

LENORE

Mone

Dedare

eh

Sa

eke

9

BLOCK

Py

ARG

RAI

wires

s

Fos

ee

se

ented

oleae

days

vee

44

SCHEMATIC.

DIAGRAM

2s

tis

es

ties

alae

tire

we

pale

dba

dad

de

aWN

SE

weledee

4h

be

13

PRINTED

CIRCUIT

BOARDS

Gece

ee

Oe

Bieta

dk

oS

eee

eS

ls

as

eh

es

ae

ee

ae

ey

ee

15

MECHANISM

cers

ccc

rte

ttt

cette

eee

ees

ete

e

eee

vite

eees

17

EXPLODED

VIEW

----e

eee

crete

erent

ee

eaes

pals

Sidhe

Se

ea

Pee

co

ak

trea

dade

nt

a

ace

19

ELECTRICAL

PARTS

LIST

aici

ee

Sia

aoa

Yea

ia

i

coaiihe

28,

arse:

Nea

Susan.

cen

picdesan

ca

he

as

Seale

wwe!

Mi

anise

acl

fo

deeahedl-s

99

Specifications

DECK

(for

recording/playing)

@sneral

@

Track

system

:

4

track,

@

Power

consumption

:9W[DM]

2-channel

stereo

© )

:

12W

[EUR]

@

Recording

system

:

AC

bias

@

Power

requirements

:100V,

50Hz[DM]

@

Erasing

system

:

AC

erasing

|

:

230V,

50Hz[EUR]

@

Tape

speed

:

4.8cm/sec

|

@

Dimension

(WXHxD):

285

X

101

X

304mm

@

Motor

:

DC

motor

@

Weihgt

:4.1Kg

@

Ferquency

response

Normal

:

40~14,000Hz

CrO2

:

40~15,000Hz

Standard

accessories

Metal

+

40~16,000Hz

Audio

signal

connection

cable

2

@

FF

and

REW

time

:

120

seconds

Remote

control

connection

cable:

1

(C-60

cassette

tape)

-@

Wow/Flutter

10.15%

(JIS,

WRMS)

@

S/Nratio

_ |

Dolby

NR

OFF

:

55dB

(CCIR/ARM)

~

Dolby

B

NR ON

:

65dB

(CCIR/ARM)

Dolby

CNRON

|.

_—_:

75dB

(CCIR/ARM)

@

Input

sensitivity

/

Impedance

Line

:

9OmV

/

35Kohms

|

@®

Output

level

/

Impedance

|

*

Improvements

may

result

in

specification

or

Line

:

548mV

/

1Kohms

feature

changes

without

notice.

2

—eeeecmmemme

SERVICE

MANUAL

_

smunmnsnenmnnnentensnsmsnssnssssmessustssunsmmenne

3

ae

ere

condition

|

Test

hap.

peeresenl

|

i

eed

NR

position:

OFF

¢

Head

azimuth

(10KHz,

10cB):

MTT-114N

_Make

sure

heads

are

clean.

_«

Tape

speed

(3KHz,

-10dB):

MTT-111N

_«

Make

sure

capstan

and

pressure,

roller

@

are

«

Playback

frequency

‘response

|

MTT-

257H

clean.

-

.

aap

a

dees

|

(125KHz,

TKHz,

10KHz,

»-T0dB)

Measuring

instruments

an

.

Playback

gain:

|

MTT-150_

«

EVM

(Electronic

Voltmeter)~

a

«

Blank

tape

@

Oscilloscope

_.

=

a3

-_

Normal

blank

tape:

MTT-5511

«

Frequency

counter

a

CrOz

back

tape:

MTT-55611

-

¢

AF

Oscillator

Metal

back

tape:

MTT-557

1

|

«

DC

Voltmeter

_©

ATT

(Attenuator.

or

Audio

Generator)

—

Resistor

(eobonigy

HEAD

AZIMUTH

ADJUSTMENT

1.

Test

equipment.

connections

are.

shown

in.

fig.

1.

2.

Playback

the

head:

Azimuth

test

tape

and

regulate

the

anal

adjust

screw

so

that

the

outputs

of

L-ch

and:

R-ch

are

maxi-

mized.

(When

the

adjusting

positions

are

differene

with

L-ch

and

R-ch

find

a

position

Where

the

outputs

of

L-ch

and

R-ch

are

balanced

and

then

make

the

adjustment.)

LINE

OUT

phase

‘deflection.

4.

After

the

a

locaiaits

apply

screw

lock

to

ae

acer

adjusting

value.

°

ayues

gees

|

a

Azimuth

screw(REV)

screw(FOR)

TAPE

SPEED

ADJUSTMENT

1.

Test

equipment

connections

are

shown

in

fig.

2.

Playback

the

middle

part

of

the

test

tape.

_

VR84

.

3,000HzZ

+

30HZ

aa

chassis,

|

»

“Digital

frequency

|

counter

!

PLAYBACK

GAIN

ADJUSTMENT

Salis

Test

equipment.

connections

aré

‘shown

in

fig.

3.

2.

Playback

the

playback

gain

test

tape

(MTT-150).

3.

Adjust

Pee

gain.

Adjustment

Point

-|

DECK

.

Standard.

Value

LINE

OUT

“(Fig

3)

_—mt——____-—,

SERVICE

MANUAL

PLAYBCK

FREQUENCY.

RESPONSE”

|.

-4.

Test

equipment

connections

are

shown

in

fig.

A

7

2.

Playback

the

playback

frequency

response

test

eae

3.

Check

shown

in

a

5

for

both

L-ch

and

R-Ch.

sscccscee

I

Usk

erik

a

|

ies

AOKHZ

12.5KH2

BIAS

FREQUENCY

ADJUSTMENT

4.

Test

equipment

connections

are

shown

in

fig.

6.

:

2.

Load

a

CrOz

blank

test

tape.

gh

hassis

-)

..

pT

a

3.

Press

the

record

and

pause

button.

7

Le

4,

Adjusts.T501

for.

105iKHz

frequency

counter

reading.

;

Sere

a

eT

“Dai

requency

cose

ioe

AL

ates

cee.

OG

Co

ERTL

OVERALL

GAIN

ADJUSTMENT

.

SP

utara

oa

ee

ta

et

gett

a

UNE

OUT

ee

AF

oscillator

1.

Test

equipment

connections

are

shown

i

in

n

fig.

|

ee

ere:

2.

Insert

the

normal

reference

blank

tape.”

ge

3.

Place

UNIT

into.

record

mode.

.

-

4,

Supply

@

1KHz

signal

through

J

ATT

(-

40dB)

fi

from

AF

oscillator.

tolinein.

..

|

.

Adjust

ATT

until

monitor

level

at

TP31

(L-ch)

or

TP32

(F-ch)

becomes

180mvV.

.

Playback

recorded

tape

and

make

sure

that

the

output

level

at

TP31

(L-ch)

or

TP32

(R-ch).

becomes

180mV.

|

.

ff

measured

value

is

not

180mvV,

adjust

it

by

using

VR31

(L-

CH)

or

VR32

(R-CH).

.

Repeat

from

step

(2).

|

OVERALL

FREQUENCY

RESPONSE

1.

Set

a

normal

blank

tape

(MTT-5511)

and

record

by

apply

sig-

nal

(100Hz,

1KHz,

10KHz)

through

ATT-from

AF

oscillator

to

lins

in

(Line

out

Level:

33mV).

:

OSCILLOSCOPE

.

Playback

the

signal

recorded

in

step

1,

and

check

that

the

Af.gswilator

‘UNE

IN

UNE

OUT

|

level

of

each

output

frequency

in

within

the

range

shown

in

_S00ohmn

|

fig.

8

in

comparison

with

the

reference

frequency

(1KHz).

wey

Ot

.

If it

is

not

within

the

standard

range

adjust

the

bias

current

by

using

VR51

(L-CH)

or

VR52

(R-

CH)

sO

>

that

the

frequency

level

is

within:the’standard.

@

Level

up

in

high

frequency

range

..

.

Increase

the

bias

cur-

rent.

e@

Level!

down

in

high

fsuueney.

ange:

Dectanee

the

bias

current.

=

4.

After

that;

increase.

the

signal

meorded

on

CrO2

blank

tape

|

(MTT-5561)

and

metal

blank

tape

(MTT-5571)

up

to

12KHz

and

adjust

in

the

same

way

as

mentioned

above

and

check

that

frequency

level

is

within

the

range

shown

in

Fig.

8.

63Hz

125Hz

10KHz

12.5KHz

SERVICE

MANUAL

Pe

:

~~

VR31

VR32

IPt

s

MICRO-COMPUTER'S

TERMINAL

FUNCTION

.

ANAM

1173D

(UPD78042GF)

:

No.

-

|--PINNAME

|

=~

fs

die

Ble

ged

DESCRIPTI

8

Ba

SEG

~SEG1

5

14~16

a7

ane

|

18~19

TIME

|

>

21~24

FIP

digit

select

output.for

indication.

"y

i

a

ers

Ceara

ber

san

et

ai.

:

.

Pa

ae

:

£

i

2

4

:

f°

a

.

soP

ier

_

ae

3

iy

te

hyd

ron

Pees

we

‘

a

oad

a

:

!

:

Mt

Pas

|

ae

ee

*

a8

:

a

ae

3

a

:

;

Fi

ar

a

|

Ge

ee

Poe

:

teh

2

sw

AS

: E

eden:

2

"

les

age

oe

43

.

*

F

ray

ie

Dok

ae

raat

|e

Se

i

Perry

ae

canned

[em

ae

7

4

ne

=,

as

se

‘i

|

Sai

pes

ee

os

fy

i

tue

Bd

.

wo

ry

-

.

:

&

i

'

)

“

'

:

i

+5V

Power

supply

terminal

of

this

IC.

Key

scan

output.

System

reset

pulse

input.

Timer

control

Mode.

To

be

grounded.

Key

scan

input.

To

be

grounded.

Meter

L-ch

|

A/D

Convertor

input

for

level

meter

indication.

|

A/D

Convertor

input

for

level

meter

indication.

29

+5V

Power

supply

terminal

of

this

!IC.

:

30

“AVref

Reference

voltage

input

terminal.

‘GND

NO

|]

No

~I

|

O1

OO

—_

To

be

grounded.

w

NO

oN)

to

To

be

grounded.

|

34

|

Crystal

element

connecting

terminal.

REC

control

Mode

(L

=

ON)

Rec

mute

control

Mode

(H

=

ON)

&

©)

_

37

38

40

44

42

LINE

MUTE

Line

mute

contro!

Mode

{H

=

ON)

Dolby

C

Dolby

C

control

Mode

(L

=

ON)

Dolby

B

Doiby

B

contro!

Mode

(L

=

ON)

LINE

/

PB

LINE

/

PB

control

Mide

.

~

Power

control

Mode

(H=ON)

~~~

To

be

grounded.

T.P.S

data

input.

_

Halt

iC

data

input.

~

Remocon

IN

Remocon

datainput.

|

‘48

To

be

grounded.

Remocon

data

output.

Ciose

loading

Motor

control

(H

=.ON)

#51

open

loading

Motor

control

(H

=

ON)

52

+5V

power

supply

terminal

of

this

IC.

53

Loading

close

detector

sw

input

(L

=

ON).

—

_

Loading

open

detector

sw

input

(L

=

ON).

Rec

(Reverse)

SW

detector

input.

Mode

sw

detector

input.

57

_

TAPE

sw

detector

input.

Motor

control

output

(H

=

ON)

Solenoid

control

output

(H

=

ON)

Rec

(torward)

sw

detector

input.

61~70

Seg1~Seg10

Fip

segment

contro]

output.

71

(-24V)

Negative

power

supply

input

terminal

for

fip

blanking.

72~77

Fip

segment

control

output.

| |

.

i

Go

ND

T.P.S

pf

J

SERVICE

MANUAL

M5220P

(DUAL

LOW-Noise

Operational

Amplifiers

(DUAL

POWER

SUPPLY

TYPE)

FQUIVALENT

CIRCUIT

A

ee

INVERTED

INPUT

1

a,

NON

-

is

a

INVERTED

-

(3)

INPUT

1

were

OUTPUT

1

OUTPUT

2

CXA1331S

(DOLBY

B.

C

Noise

Reduction

System)

tIno

In

PB

In

I

OFF/B/C

Lino

Ovt

I

Rec

Ovt

I

vcTl

e

{\

1

x

a]

wo

MPX

*s

.

£

FIITOR

N

Pa

W

Som)

as

eSa0

C14

2.2n

Clz

m

R13

24K

—

1

ci2

FG

+O

Sai

xis

Re

60

—

C—O

CIES

Eo

!

,

\

Cel

im

C22

Im

Ce3

2en

<]

Ri

27K

zx

a}

og

Ces

0.56m

ces

0.33m

GND

V

O

@

MODE

Lino

Out

2

7

Rec

Out

2

=

-

=

~4

ra}

i

c2a4

22n

ITan

In

2

PR

In

?

vcTe

SERVICE

MANUAL

(+)

POWER

SUPPLY

+VCC

INVERTED

INPUT

2

NON-

INVERTED

INPUT

2

Vec

(->

POWER

SUPPLY

BAG209(Reversible

Motor

Driver)

OUT1.

OUT1

|

‘gute

V

Oe?

bi

O10

|

3

Vu

O

i

CONTROL

LOGI

N

O

O35

@)

€ S

Vv

Fin

«

R

Vect

Vecl

OUT1

OUTe

VOLTAGE

REGULATOR

DRIVER

cite!

s)

SERVICE

MANUAL

smmmmeumnnssuan

WIRING

DIAGRAM

Vv

A

|

:

t

&

KUP

1

0980-3

POWER

PCB

Lo

oe

ee

a

er

AC

KUP10980-1

MAIN

PCB

nt

oe

Td

>

BN81

eee

HLL

UP

10980-

2

1

|

;

.

BN41

>

f

1

r

|

Vv.

pe

ORANGE:

—

YELLOW

GREEN

BLUE

-

BROWN

LOADING

MECHANISM

LEAF

S.W

(DECK

I

)

DECK

I

MECHANISM

i

BN31

of

-

I

t

E

|

:

See

KUP1O961=1

SUB

PCB

HEAD(IL).

10

BLOCK

DIAGRAM

|

REC

LEVEL

CONTROL

|

MPX

FILTER

©)

LINE

OUT

e12

PLAYBACK

EQ

;

a

ae

(LT

HEAD

SEL

:

B3+

NF

+

,

ANY

B3+

B3—

.

GAIN

ADJ

IC32

hail

45585

|

TPS

B3+

A

DOLBY

B/C

NR

Lo

ICS1

REC

BIAS.

ADJ

(TL)

METAL

ATS

CONTROL

RESET

CIRCUIT

REC

ON/OFF

MUTE

ON/OFF

LEVEL

METER

IN

POWER

ON/OFF

|

B3+

.

|

VOLTAGE

|

(+9.4V)

REGULATOR

B3—

VOLTAGE

(—9.4V)

REGULATOR

B2+

TAPE

BLANK

DETECT

PB/LINE

REC

4,.19MHz

AC

IN

SOLENOHD

CONTROL

MOTOR

CONTRO

“TP

1

DECK

SPEED

ADJ

7

a

S

Zz

<<

e

00)

LOADING

MECHANISM

ioe

DECK

SWITCH

DECK

“—-

RECORDING

SIGNAL

PATH

—>—

PALY

BACK

SIGNAL

PATH

©

13

ROY

-b

IO)E)

SCHEMATIC

DIAGRAM

nO)

.

GS)

bahé

|

Sar

Airs

y

J

OX)

M

>)

()C

",

iS

is)

©)

fe)

©)

@)

G)

©)

&)

©)

REZER

RRS

SE

iS)

©)

6) ©)

©)

OO)

©)

©) ©)

©)

CG)

R426

R427

R407

C407

2.7K

0.033

C710

701

2200/25V

+14V

0

AI274

.

81

i

acl

©)

UNE

IN

<j

4

Q503

Te

03227

(Op

XK

iS

as

Be

es

a

ee

i

eatenepareaces

1

Oe

ee

EE

Aaa

(AR

(ER

SL

De

R874

10K

Lr}

ot

Pep

ROTS_I0K

2803

RB72_10K

2HORAC

R871

10K

c

¢

RETO

10K

|

twp

pt

LL:

58

eRe

Is

i

!

Lived

=

eeneeeon

ot

Soe

gE

Ae

tt

al

(|

|

EEE

|

-

5

Peeenastiad

as

01

38

ee

ed

Pa

3

g

EFFECT

Hak

ote

|

.

I

(7)

a)

REC-F

ee

||

E248

|

a4

|

Lajos

||

219

|

Bo}

TE

SZ)

sanee

of

Rg

wee

LLL]

LEAS

|

2g

Sm

i

ae

||

(ie

|

£18

bO66-068

|

ee

Gu

of

OS

S-}

=

45

z

.

!

Res0!

28

a9)

MA

;

oul

cg

<te?

@

eS

sere

ay

x

Fal

5

st

af)

|)

|

g

git

3

|

ao

ee

eae

g

3

Ko};

oy

a

j

i

g

2

aa)

02

Oo

,

z

:

7

i

iP

f=)

a

t

ale

|

REC-R

oO

=

C802

gous

2

|

Ts

ae

IC81

ANAM

1173D

uPD78042GF

——

PLAYBACK

SIGNAL

PATH

280:

100Kx8

a

aes

fa}

a

RECORDING

SIGNAL

PATH

Saal

ie

—e

28

ee

ee,

e-—

8

5

«*

IMPORTANT

SAFETY

NOTICE:

COMPONENTS

IDENTIFIED

BY

A

MARK

HAVE

SPECIAL

CHARACTERISTICS,

IMPORTANT

FOR

SAFETY.

WHEN

REPLACING

ANY

OF

THESE

COMPONENTS

USE

ONLY

MANUFACTURER'S

SPECIFIED

PARTS.

+e

THE

UNIT

OF

RESISTANCE

IS

OHM

(2)

-BNBI

K=1000

OHM,

M=1000

KOHM

se

THE

UNIT

OF

CAPACITANCE

IS

MICROFARAD

(uF).

P2i0~*

uF

¢e

THIS

SCHEMATIC

DIAGRAM

MAY

BE

MODIFIED

AT

ANY

TIME

WITH

THE

IMPROVEMENT

OF

PERFORMANCE.

14

Teac R-H500 Manual de usuario

Manuales populares de Reproductor de casetes de otras marcas