Marantz 5010 Bedienungsanleitung

NBS

=a

AVS

TABLE

OF

CONTENTS

Section

Title

Page

1.

PW.

BOARDS

...........00

0005

efike

heed

ss

a

Wai

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Pa

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a

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i

2.

TEST

EQUIPMENT

REQUIRED

FOR

SERVICING

..

0.0...

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tt

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tents

1

Sy

DISASSEMBLY

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ase

8

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nce

Selena

we

he

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ae

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pite

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ake

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be

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scents

Te

2

3.1

Removing

the

Cassette

Case

Escutcheon

...........020022eeeecee

*E

fenb

2oNsi

Hades

tat

wh

aD

Masab

cohen

ane.

estate

ete

Bae

2

3.2

Removing

the

MainP.W.

Board...

1...

1.

ee

eee

2

3.3

Removing

the

Mechanical

Chassis

......

TF

BeG

WO

ead

th

ROW

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OSE

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one

NR

Neon

Me

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2

4.

ADJUSTMENT

PROCEDURES

..

0...

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3

4.1

Mechanical

Adjustments..............

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Sig

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Shiba

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8

3

4.2

Electrical

Adjustments

and

Measurements

.........0..

020

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Aeitas

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8

5.

VOLTAGE

CONVERSION

FOR

EUROPEAN

MODEL

.....

1...

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6.4

Schematic

Diagram

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27

6.5

Pre-Amp,

Power

Supply,

Dolby

Board

Schematic

Diagram

and

Component

Locations-P100

2.1...

.

et

eee

29

6.6

LED

Board

Schematic

Diagram

and

Component

Locations-P600.............20-5

Migeteene

a8

Bleck

09,

be

aes

we

8

...33

6.7.

Terminals

Board

Schematic

Diagram

and

Component

Locations-P700.............

00.

ee

eee

ee

tee

eee

33

6.8

Fuse

Board

Schematic

Diagram

and

Component

Locations

-P400-EUROPE

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

0.2.

ee

ce

ee

eee

34

7.

MAJOR

COMPONENT

LOCATIONS...

1...

cc

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35

7A

Cabinet:

Front

View:

vised

Sue

ee

aes

Sate

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ce

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AG

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be

8

SG

ga

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Race

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35

7:2.

Chassis:

-

Toph

ViGw

soi.

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oder

a

hesece

Bg

as

8

BREE

%,

BEIT

euieen

BUSA

aaa

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bales

@

Kaaba

35

8.

EXPLODED

VIEWS

AND

PARTS

LIST.....

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SRGNG

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Be

we

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PLR

ase

ier

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Hare!

wits

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aia

bed

36

8.1

Top

Cover

and

Main

Chassis

..

0.0.0...

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36

8:2:-

Front:

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Chassis.

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37

8.3

Associated

Mechanism

for

Cassette

Tape

Operation...

..

0.0...

cee

ee

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teeta

wens

38

8.4

Buttons

for

Tape

Operation.

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

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datas

39

8.6

Parts

Assembled

on

the

Top

of

the

Chassis...

0.0...

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te

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40

Bed

Bly

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41

8.8

Switch

Location

for

the

Tape

Operation

.......

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41

8.9

Parts

Assembled

on

the

Reverse

of

the

Chassis

..

1...

0...

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42

8.10

RearPanel..........

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ates

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...44

8.11

P.W.

Boards

and

General

Parts

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$12:

Packing

Materials:

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50

9.

GENERAL

SPECIFICATIONS

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een

51

INTRODUCTION

This

service

manual

and

prepared

for

use

by

Authorized

Warranty

Station

and

contains

ser-

vice

information

for

Marantz

Model

5010

Stereo

Cassette

Deck.

Servicing

information

and

voltage

data

included

in

this

manual

are

intended

for

use

by

the

knowl-

edgeable

and

experienced

technician

only,

All

instructions

should

be

read

carefully.

No

attempt

should

be

made

to

proceed

without

a

good

understanding

of

the

operation

of

the

Cassette

Deck.

The

parts

list

furnishes

information

by

which

replacement

parts

may

be

ordered

from

the

Marantz

Company.

A

simple

description

is

in-

cluded

for

parts

which

can

be

usually

obtained

through

tocal

suppliers.

1.

P.W.

BOARDS

As

can

be

seen

from

the

circuit

diagram,

the

chassis

of

Model

5010

consists

of

the

following

units.

Each

unit

mounted

on

a

printed

circuit

board

is

described

within

the

square

enclosed

by

a

bold

dotted

line

on

the

circuit

diagram.

1.

Pre-Amp,

Power

Supply

&Dolby

....

mounted

on

P.W.

Board,

P100

2.

LED

a5

cei

2

3

mounted

on

P.W,

Board,

P600

3.

Terminals

.

..

mounted

on

P.W.

Board,

P700

4.

Fuse

(N&P

versions

only)

......

mounted

on

P.W.

Board,

P400

2.

TEST

EQUIPMENT

REQUIRED

FOR

SERVICING

For

measuring

or

checking

the

Model

5010,

the

following

instruments

and

materials

are

necessary.

VTVM

Audio

Oscillator

(af

OSC)

Attenuator

(600

Q)

Oscilloscope

Bandpass

Filter (1

kHz,

500

Hz)

IEC

A-Curve

Filter

Wow

and

Flutter

Meter

Torque

Meter

(Cassette

Type}

Digital

Frequency

Counter

Distortion

Meter

Blank

Tapes

(Completely

erased

with

bulk

eraser)

TDK

AC-211

(Normal)

TDK

AC-511

(CrO,)

SONY

CS-30

(Fe-Cr)

NOTE:

if

any

doubt

is

noted

in

a

measured

value,

use

new

tape.

@

Test

Tapes

(New

Tape)

MTT-111

Wow

and

Flutter

Tape

Speed

MTT-112

Measurement

of

Output

Level

Signal-to-Noise

Ratio

MTT-150

Adjustment

of

Output

Level

MTT-116U

Frequency

Response

(for

Normal)

MTT-116K

Frequency

Response

(for

CrO,,

Fe-Cr)

MTT-121

Cross

Talk

MTT-141

Channel

Separation

BIAS

and

EQ

switches

setting

in

accordance

with

tape

used

are

as

follows:

Switch

Position

BIAS

Switch

|

EQ

Switch

;

i

a

a5

a

RRB

am

Pease

ERE

Zz.

3.

DISASSEMBLY

3.1

REMOVING

THE

CASSETTE

CASE

ESCUTCHEON

Push

the

cassette

case

escutcheon

at

the

two

positions

upward

in

the

arrow

A

direction.

As

it

will

be

detached,

take

it

out

in

the

arrow

B

direc-

tion.

3.2

REMOVING

THE

MAIN

PW.

BOARD

Remove

the

seven

screws

A,

B,

C,D,

E,

F

andG

holding

the

Main

P.W.

board.

Unplug

the

con-

nector

H.

Then,

draw

it

out

with

taking

care

of

not

applying

excessive

force

to

any

lead

wire.

3.3

REMOVING

THE

MECHANICAL

CHASSIS

-

Remove

the

five

screws

A,

B,

C,

D,

and

E

holding

the

mechanical

chassis.

Remove

the

record

lever

spring

assembly

F,

Then,

draw

the

chassis

out

with

taking

care

of

the

tape

counter

and

operat-

ing

levers,

4.

ADJUSTMENT

PROCEDURES

4.1

MECHANICAL

ADJUSTMENTS

4.1.1

Adjusting

the

Flywheel

Thrust

Adjust

the

thrust

screw

at

the

flywheel

bracket

until

the

clearance

between

the

capstan

tail

end

and

thrust

bearing

is

0.1

to

0.3mm

as

shown,

using

a

phillips

screw

driver.

For

adjusting,

feel

of

axial

dropping

of

the

flywheel

for

proper

clearance

as

this

cannot

been

seen

through,

Then

paint

the

screw

to

lock.

4.1.2

Adjusting

Pause

Timing

Set

the

unit

in

the

play

mode

of

operation.

Then,

adjust

the

bend

angle

of

the

pinch

roller

bracket

arm

(point

A

in

the

line

drawing)

until

the

clear-

ance

between

the

pinch

roller

and

capstan

is

0.1

to

0.3

mm

at

the

time

when

the

take-up

reel

is

stopped

by

slowly

pressing

the

PAUSE

push-

button

down,

NOTE:

To

widen

the

clearance,

make

the

bend

angle

smaller

(in

the

direction

C).

To

make

the

clearance

narrower,

widen

the

bend

angle

(in

the

direction

B).

4.1.3

Adjusting

the

Pinch

Roller

Pressure

Measure

the

pressure

of

the

pinch

roller

using

a

gauge

as

shown.

For

measurement,

draw

the

pinch

roller

in

the

arrow

direction

in

which

it

is

detached

from

the

capstan

shaft

and

gradually

return

it

toward

the

capstan.

Read

the

gauge

at

the

time

when

the

pinch

roller

starts

turning.

The

standard

pressure

is

300+50g.

!f

the

pressure

is

out

of

the

range,

bend

the

pinch

roller

spring

around

the

point

A

in

the

direction

B

or

C.

NOTE:

To

make

the

pressure

strong,

bend

in

the

direction

B.

To

make

the

pressure

weak,

bend

in

the

direction

C.

4.1.4

Adjusting

the

Play

Timing

It

is

normal

that

when

the

PLAY

pushbutton

is

depressed,

the

take-up

reel

table

turns

first,

then

the

pinch

roller

is

rotated.

The

reel

table

and

pinch

roller

must

not

start

turning

at

the

same

time,

NOTE:

Make

certain

that

such

a

subsequent

operation

is

made

irrespective

of

locking

state

is

depressed

slowly

without

load-

ing

the

tape.

(1)

Checking

for

adjustment

Check

whether

or

not

the

clearance

between

the

pinch

roller

and

capstan

is

0.2

to

0.5

mm

when

the

take-up

reel

table

starts

turning

with

the

PLAY

pushbutton

depressed

slowly.

(2)

Adjustment

Bend

the

pinch

roijler

bracket

at

the

point

that

touches

the

head

chassis

stopper.

In

the

line

drawing,

bending

left

reduces

the

clearance

be-

tween

the

capstan

and

pinch

roller.

NOTE:

Make

certain

that

the

pinch

roller

bracket

does

not

leave

touching

the

head

chassis

stopper

in

the

play

mode

of

operation

as

a

result

of

excessive

bending.

0.2~0.5mm

CAPSTAN

SHAFT

PINCH

ROLLER

Seis

CHASSIS

STOPPER

4.1.5

Adjusting

the

Play

Torque

Put

the

two

pawls

of

the

circular

plate

spring

on

proper

stepped

position

of

the

reel

rest.

The

adjustable

torque

range

is

40

to

70

g-cm.

To

make

the

torque

high,

put

the

pawls

on

a

shallow

step.

For

lower

torque,

put

them

on

a

deeper

step.

@

Checking

the

take-up

clutch

for

sliding

Make

certain

that

the

flywheel

rotates

freely

when

the

reel

table

is

locked.

The

flywhee!

that

revolves

irregularly

or

stops

is

not accept-

able.

4.1.6

Adjusting

the

Fast

Forward

and

Rewind

Torque

The

fast

forward

and

rewind

idler

has

a

torque

adjust

plate

spring

(part

A

in

the

line

drawing),

which

has

two

pawls

(part

B)

at

its

ends.

Set

the

pawls

in

proper

one

of

the

three

steps.

To

make

the

torque

high,

set

the

pawls

in

the

shallowest

step.

For

lower

torque,

set

in

the

deepest

step.

INCREASE

DECREASE

OEE

Yi,

INCREASE

DECREASE

i

P22

4.1.7

Positioning

the

Motor

Pulley

Loosen

the

set

screw

and

adjust

the

motor

pulley

position

until

the

clearance

between

the

pulley

and

motor

is

4.8mm

as

shown.

Tighten

the

set

screw,

4.1.8

Adjusting

the

Tape

Speed

Adjust

the

semi-fixed

resistor

inside

the

motor

until

the

tape

speed

is

2985+5Hz,

using

a

screw

driver.

4.1.9

Adjusting

the

Rewind

Idler

Side

Pressure

Make

certain

that

in

the

rewind

mode

of

opera-

tion,

the

rewind

idler

does

not

slip

on

the

supply

reel

table

when

this

is

held

by

hand.

If it

slips,

change

the

hanging

position

of

the

rewind

idler

arm

return

spring

on

the

chassis

in

the

arrow

direction

step

by

step

until

it

does

not

slip.

MOTOR

PULLEY

ADJUSTING

SCREW

SPEED

DOWN

at

)

SPEED

UP

ARM

RETURN

SPRING

&

S002

MOTOR

SWITCH

BRACKET

$003

<

PAUSE

MUTING

\

[

SWITCH

4

$009

PLAY

TIMING

SWITCH

$004

:

PLAY

MINE

SWITCH

S

Da

a

$005

REC.

MUTING

SWITCH

4.1.10

Positioning

the

Switches

(1)

Motor

switch

Turn

the

motor

switch

in

the

arrow

direction

until

it is

screwed

tightly.

Make

certain

that

the

contact

gap

is

wider

than

0.5

mm.

MOTOR

SW

(2)

Record

muting

switch

In

the

stop

state,

loosen

the

screw

holding

the

record

muting

switch

and

position

this

so

that

the

clearance

between

its

end

mold

tip

and

mounting

bracket

may

be

6mm,

Tighten

the

screw,

Make

certain

that

when

the

record

lever

is

pressed

in,

the

record

muting

switch

contact

A

is

made

close

and

the

contact

B

is

broken

out

securely,

FLYWHEEL

ADJUSTING

SCREW

REC

MUTING

SW

(3)

Pause

muting

switch

In

the

stop

state,

loosen

the

screw

‘holding

the

pause

muting

switch

and

position

this

so

that

the

clearance

between

its

end

tip

and

pause

arm

may

be

1

to

1.5mm.

FLYWHEEL

\

PAUSE

LEVER

(4)

Start

muting

switch

In

the

stop

state,

loosen

the

screw

holding

the

start

muting

switch

and

position

this

so

that

its

contact

clearance

may

be

0.5

to

0.8mm

with

leaving

the

contact

tip

in

contact

with

the

head

plate,

Tighten

the

screw.

HEAD

PLATE

ADJUSTING

SCREW

Pn

“TO

CONTACT

0.5~0.8mm

(5)

Play

muting

switch

In

the

stop

state,

loosen

the

screw

holding

the

play

muting

switch

and

position

this

so

that

the

clearance

between

its

end

tip

and

play

lever

may

be

4mm,

FLYWHEEL

7”

PLAY

MUTING

SW

oe

“ADJUSTING

SCREW

4.1.11

Setting

the

Eject

Spring

Hang

the

eject

spring

at

proper

one

of

the

three

holes

so

that

the

cassette

lid

can

be

opened

well.

After

setting,

bond

the

spring

to

lock.

EJECT

SPRING

ADJUSTER

——

--

|

INCREASE

ROLLER

>>

ADJUSTING

SCREW

4.1.12

Adjusting

the

Interlocking

Mechanism

IMPORTANT:

In

aligning

the

mechanical

assem-

bly,

place

it

alone.

1.

Lay

the

mechanical

assembly

by

its

side

as

shown

in

Figure

1.

2.

Loosen

the

screw

E

holding

the

adjuster

C

a

little

until

this

moves

freely.

3.

Adjust

the

interlock

cam

B

by

finger

until

the

clearance

between

the

interlock

cam

B

and

the

lock

cam

release

arm

A

is

0.1

to

0.6

mm.

.

Keeping

this

clearance,

tighten

the

screw

E

to

fix

the

adjuster

C,

which

will

be

in

light

con-

tact

with

the

cassette

guide

shaft

D.

.

After

completion

of

Steps

1

through

4,

per-

form

checking

by

proceeding

as

follows.

a.

Open

the

cassette

door

by

pressing

the

STOP/EJECT

pushbutton.

b.

Close

the

cassette

door

slowly

by

hand.

Make

certain

that

the

PLAY

pushbutton

will

not

move

in

the

range

of

the

position

A

to

B

in

Figure

2

while

the

cassette

door

is

closed.

NOTE:

The

cassette

door

is

locked

at

the

position

C.

CAUTION

If

the

PLAY

pushbutton

is

locked

in

that

range,

replace

the

following

parts

as

these

may

be

defec-

tive.

REF.

DESIG.

811N

438305402-0

Cam

L

438005140-0

Guide

ass’y

PART

NO

DESCRIPTION

~O)

f

\

=

4.2

ELECTRICAL

ADJUSTMENTS

AND

MEASUREMENTS

Precautions

Before

Adjustment

and

Measurement

1.

Before

playing

the

test

tape

back,

thoroughly

demagnetize

the

heads,

capstan

and

similar

metal

parts

using

an

eraser

as

the

test

tape-recorded

tone

is

easily

erased.

2.

Do

not

place

the

test

tape

on

any

measuring

instrument.

3.

Do

not

put

the

test

tape

near

a

place

where

the

eraser

is

used.

4.

Method

of

Demagnetization:—Turn

the

eras-

er

power

switch

on

at

a

remote

position

far

away

from

the

heads.

Bring

the

eraser

close

to

the

heads,

capstan

and

other

parts

to

be

demagnetized,

and

move

it

up

and

down

four

or

five

times

to

demagnetize.

Slowly

separate

the

eraser

far

away

from

the

parts,

and

turn

the

power

switch

off.

5.

Do

not

use

any

magnetized

adjusting

tool.

When

using

it,

demagnetize

it

from

time

to

time

in

the

course

of

each

adjustment..

6.

Do

not

turn

semi-fixed

resistor,

capacitor,

and

inductor

adjusting

screws

more

than

needed.

7.

If

measuring

the

tape

speed

wow

and

flutter,

operate

the

tape

deck

in

the

normal

opera-

R210

PLAY

EQ.

0204

O

y205

Reh

Lch

Oslo

Ou

Ova

RNO

PLAY

EQ.

8.

Definitions

1.

OQu222

R2i4

PLAY

LEVEL

0220

120

RIS

af

PLAY

LEVEL

Ovl22

R240.

REC

LEVEL

R315

DOLBY

RISO

REC

LEVEL

R143

-

METER

ting

condition.

:

Do

not

apply

locking

bond

excessively.

The

‘‘norma!

playback

state’’

is

an

operating

state

of

the

tape

deck

which

plays

back

the

MTT-150

test

tape

and

is

adjusted

so

as

to

produce

a

775mV

output

at

the

MAIN

P.W.

Board

(P100)

J120,

J220

with

the

load

assuming

the

measuring

instrument

input

impedance

of

greater

than

100kQ2

and

with

the

TAPE

selector

switch

set

at

the

NORMAL

position.

The

“‘normal

recording

state’’

is

an

operating

state

of

the

tape

deck

which

records

a

1kHz

signal

to

a

specified

recording

level

for

which

the

recording

level

control

is

adjusted

with

the

1kHz

signal

applied

at

a

specified

input

level

to

the

MIC

input

terminal.

In

the

normal

recording

state,

therefore,

this

tape

deck

is

set

up

with

the

level

control

to

the

state

that

the

level

meter

pointer

may

deflect

to

the

100%

mark

as

OVU

with

a

1kHz,

1mV

input

signal

applied.

Marantz 5010 Bedienungsanleitung

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