Sanyo M1011 User manual

SERVICE

MANUAL

MINI

CASSETTE

RECORDER

SPECIFICATIONS

Power

Source

DG

ee

ea

6V

(UM-3,HP

7,

AA

Cell,

Mignonzelle,

R6)

x

4

Outpt

POWer

eee

es

500mW

(Max.)

Current

Consumption

(at

Vol.

Min.)

Record

mode)

ree

Ae

eee.

140mA

Playback

MOG:

s+

cnencmawer

cena

eee:

120mA

Fast

Forward

mode

...:.......:s.-..:csi

220mA

Rewind

moder

i.

fe

220mA

Recording

System

<2...

ie

DC

Bias

Erasing:

SYSICM)

=

i

te

cb

ec

Magnet

Erasing

Tape

Speed

Se

ees

1-7/8ips.

£3%

Pitch

GOnIOR

ee

eee

+20%

~

—10%

Fast

Forward

Time

ee

ee]

150sec.

(with

C-60)

Rewind

Time

.........

Wow

&

Flutter

........

ee

Frequency

Response

(Overall)

..........

Erase

Ratio

(Overall)

Signal

to

Noise

Ratio

Crosstalk

Track

to

Track

Harmonic

Distortion

(K3)

ae

eee

ee

ese

ee

we

ee

ee ee

eee

ee

Hum

&

Noise

(at

Vol.

Min.)

at

Vok-

Ming

222:

at:

Volk:

Max.

te:

Terminal

Impedance

MIC...

a

Ext.

Speaker

a

Ce

ee

Ce

ee

Ce

ee

—Specifications

subject

to

change

without

notice.—

142

436

08]

150sec.

(with

C-60)

0.4%,

WRMS

200Hz

~

6,000Hz

40dB

30dB

50dB

10%

—50dBs

—30dBs

3k

80

WM-13274

DISASSEMBLY

INSTRUCTIONS

vABINET

BOTTOM

REMOVAL

2.

|.

Remove

the

four

screws

(1

~

4)

fastening

the

Cabinet

Bottom

and

detach

the

Cabinet

Bottom

by

lifting

it,

noting

the

3.

speaker

and

shield

plate

leads.

Jack

Cabinet

(2)

Cabinet

Bottom

Cabinet

Front

2,

The

Jack

Cabinet

and

Cabinet

Front

can

be

removed

from

the

unit

by

detaching

the

Cabinet

Bottom.

Jack

Cabinet

Front

G

on.

3.

Reassemble

in

reverse

order.

AMPLIFIER

P.C.BOARD

REMOVAL

1.

Remove

the

Cabinet

Bottom

by

following

the

instructions

and

then

unsolder

the

speaker

leads

(blue

and

red)

and

the

leads

for

the

power

supply

(brown

and

black)

from

the

P.C.Board.

Remove

the

two

screws

(5

and

6)

fastening

the

P.C.Board.

Remove

the

Amplifier

P.C.Board

by

lifting

it

in

the

direction

of

the

arrow,

noting

the

lead

wires

of

the

Indicator

P.C.Board

and

Buil-in

Microphone.

If

necessary,

unsolder

their lead.

Reassemble

in

reverse

order.

MECHANISM

CHASSIS

REMOVAL

1.

Remove

the

Cabinet

Bottom

by

following

the

instructions

and

unsolder

the

shield

plate

lead

(gray),

the

speaker

leads

(blue

and

red),

and

the

leads

for

the

power

supply

(brown

and

black)

from

the

Amplifier

P.C.Board.

2.

Open

the

Cassette

Compartment

Lid

by

pressing

the

STOP/EJECT

button

and

remove

the

fastening

screw

(7).

3.

Remove

the

post

(8)

and

the

two

screws

(9

and

10)

fastening

the

Chassis.

Detach

the.

Mechanism

Chassis

from

the

Cabinet

Top

by

lifting

it,

noting

the

lead

wires

of

the

Indicator

P.C.Board

and

Built-in

Microphone.

If

necessary,

unsolder

their lead.

Reassemble

in

reverse

order.

ADJUSTMENTS

GENERAL

REMARKS

®

Before

adjustment,

wipe

the

tape

contacting

surfaces

clean

as

well

as

the

contacting

surfaces

of

the

driving

parts

with

a

soft

cloth

soaked

in

alcohol.

|

Trouble

may

occur

because

of

oil

and

grease

stains.

®

Carefully

handle

the

belt

because

grease

easily

attaches

to

it.

Then,

check

the

used

rubber

parts.

lf

the

rubber

has

deteriorated

or

is

scratched,

replace

the

parts

with

new

ones.

EQUIPMENT

REQUIRED

e

VTVM

e

Frequency

Counter

@

Dummy

Load

(82)

e

Test

Tapes

*

3kHz

Test

Tape

(Example:

TEAC

MTT-111)

for

Tape

Speed

Adjustment

*

8kHz

Test

Tape

(Example:

TEAC

MTT-113C)

for

Head

Azimuth

Adjustment

e

DC

Constant-voltage

Regulator

e

Alignment

Tool

NOTE:

Supply

6V

DC

to

the

Ext.

Power

Jack

from

the

constant-voltage

regulator

at

the

adjustment.

TAPE

SPEED

ADJUSTMENT

1.

Remove

the

battery

compartment

lid

and

connect

a

frequency

counter

to

the

earphone

jack

as

illustrated.

Then,

insert

a

3kHz

test

tape

(Example:

TEAC

MTT-111)

into

the

cassette

compartment.

Frequency

Counter

3KHz

ea

3%]

Potentiometer

(P101)

for

Tape

Speed

Adjustment

2.

While

playing

back

the

test

tape,

adjust

the

tape

speed

by

turning

the

potentiometer

(P101)

on

the

P.C.Board

until

the

frequency

counter

reads

3kHz

(+3%).

HEAD

AZIMUTH

ADJUSTMENT

1.

Connect

a

VTVM

to

the

earphone

jack

as

illustrated

and

insert

a

8kHz

test

tape

(Example:

TEAC

MTT-113C)

into

the

cassette

compartment.

VTVM

(Max.)

Dummy

Load

80,

Adjustment

R/P

Head

Adjusting

Screw

2.

While

playing

back

the

test

tape,

slowly

turn

the

azimuth

adjusting

screw

until

the

VT

VM

reads

the

maximum.

3.

After

the

adjustment,

secure

the

adjusting

screw

with

paint

or

glue.

sc

ae

Se

ested

ac

ten

arnt

le

PARTS

LIST

oe

Part

No.

Description

Q’ty

PACKAGE

141

6

1419

64707

—

Individual

Carton

1

141

6

1449

81800

Styrofoam

Case

1

141

6

2519

12090

Poly

Cover

(Unint)

1

141

6

3919

41700

Plain

Pad

1

141

6

4559

00100

Serial

No.

Sheet

3

ACCESSORIES

142

6

4119

32362

Instruction

Manual

1

CABINET

CAI

141

0

1119

87209

Completed

Cabinet

Top

1

CA2

141

2

4469

17200

Cushion

2

CA3

141

2

2149

15300

Bracket

Cabinet

1

CA4

141

2

1119

83201

Cabinet

Jack

4

CA5

141

2

2529

05400

=

Shaft

1

CAG

141

2

1769

07100

Hand

Strap

1

CA7

=:

144.

2:

1119

82203

Cabinet

Front

1

CA8

141

2

1519

36300

Decorative

Cabinet

1

CA9

=

=141

2

2449

45300

Sheet,

Mike

1

CA10

4

1539

70620

Microphone

[BM1]

1

CA11

141

2

3899

10100

Holder

Mike

1

CA12

4

2269

37520

_LED

Indicator

P.C.B.

Assy

[See

PCB2]

1

CA13.

141

2

4219

21800

Screw,

Pan

Hd.

Tapping-2,

+M1.7x3.0

3

CAi4

141

2

7539

21800

Post,

Cabinet

1

CA15

4

1329

78092

Amplifier

P.C.B.

Assy

[See

PCB1]

1

CAi6

141

2

1639

50000

Control

Knob

1

CA17

=141

2

4219

23500

Screw,

+M1.7x4.0

1

CA18

141

2

4469

14502

Cushion

2

CAI9

141

2

4469

17201

Cushion

4

CA20

141

0

1119

87127

Cabinet

Bottom

Assy

1

CA21

4

1519

71420

Speaker

(8)

[SP1]

1

CA22

141

2

3729

03201

Bracket,

Speaker

2

CA23

=

141

2

3229

39000

Shield

Leaf

1

CA24

141

2

2899

26600

Adhesive

Sheet

1

CA25

141

2

4469

35200

Cushion

1

CA26

141

2

1339

28307

Battery

Lid

1

Cx1

101

3

1302

00811

Screw,

Pan

Hd.,

+M2.0x8

1

CX2

101

3

1302

01211

Screw,

Pan

Hd.,

+M2.0x12

1

CX3

103

3

1302

00511

Screw,

Pan

Hd.

Tapping-2,

+M2.0x5

1

CX4

103

3

1302

00614

Screw,

Pan

Hd.

Tapping-2,

+M2.0x6

1

CX5

128

3

1317

04014

PI

Screw-3,

Pan

Hd.,

+M1.7x4.0

1

CX6

128

3

1320

04014

Pl

Screw-3,

Pan

Hd.,

+M2.0x4.0

1

CX7

128

3

1320

06014

PI

Screw-3,

Pan

Hd.,

+M2.0x6.0

2

CX8

131

3

1302

00411

Screw,

Pan

Hd.

C

SW,

+M2.0x4

1

CXx9

143

3

1702

00618

Screw,

Bind

Hd.

Tapping-B,

+M2.0x6

1

NOTE:

1.

Parts

order

must

contain

Model

Number,

Part

Number

and

Description.

2.

Ordering

quantity

of

screws

and

resistors

must

be

multiple

of

10

pes.

ae

nd

hg

ds

ie

CABINET

EXPLODED

VIEW

—5—

Ref.

No.

MCI

MC2

MC3

MC4

MCS

MC6

MC?

MC8&

MC9

MC10

MC11

MC12

MCi3

MC14

MC15

MC16

MC17

MC18

MC19

MC20

MC21

MC22

MC23

MC24

MC25

MC26

MC27

MC29

MC30

MC31

MC32

MC33

MC34

MC35

MC36

MC37

MC38

MC39

MC40

MC41

MC42

MC43

MC44

MC45

MC46

MC47

MC48

MC49

MC50

MC51

MC52

MC53

MC54

MC55

MC56

MC57

MC58

MC59

MC60

MC61

MC62

MC63

Part

No.

MECHANISM

141

143

14]

141

14]

141

14)

141

144

141

144

141

144

141

0

3119

21300

2

3769

13500

2

8139

08902

2

7539

21800

2

4219

28100

0

7419

37200

2

8519

94300

2

8519

44100

2

8419

11901

2

7419

81800

2

8419

11800

2

8529

10800

2

7419

82500

2

8519

61100

2

7149

05800

2

4459

25200

0

7319

25601

2

8219

32000

2

3529

36000

2

8529

10700

2

7439

30600

2

4539

21800

4

2429

71241

2

4219

28300

2

4219

31900

2

8519

47400

4

2429

71250

2

4729

01900

2

3529

18101

2

8529

11100

Q

5459

01900

2

8529

11200

2

8539

46800

0

7419

35901

2

4219

13201

2

8549

16400

2

7419

84200

2

8529

10600

2

4539

29600

4

5279

71180

2

2449

45200

2

4459

26800

2

4219

23300

2

8529

11000

2

5519

46400

2

4539

15800

0

7419

35801

0

7419

35601

2

3169

19700

2

8549

07600

2

8549

16500

2

8549

19800

2

4539

29800

2

5519

46000

2

8559

03300

0

5219

09000

2

5649

20300

0

3129

01500

2

7419

81600

2

8529

13000

0

5319

07000

2

4539

28900

2

8559

04300

MECHANISM

PARTS

LIST

Description

Chassis

Assy

Spacer

Counter

Bracket

Post,

Cabinet

Screw,

Pan

Hd.,

+M2.0x8.6

Record

Rod

Assy

Spring,

Lock

Plate

Spring,

Interlock

Record

Lock

Lever

Eject

Lever

Interlock

Lever

Spring,

Interloc

Play

Rod

Spring,

Slide

Brake

Arm

Brake

Cover

Slide

Base

Assy

Guide

Tape

Spacer,

Head

Spring,

Erase

Head

Arm

Erase

Head

Arm

Washer,

M2.6x4.7x0.25

Erase

Head

[HD2]

Screw,

Pan

Hd.

Tapping

w/Washer,

+M2.0x10.0

Screw,

Pan

Hd.

w/Washer,

+M2.0x12.3

Spring,

Head

R/P

Head

[HD1]

Lug

Spacer,

Head

Spring,

Slide

Base

Pinch

Roiler

Arm

Assy

Spring,

Pinch

Roller

Spring,

Cassette

Completed

Pause

Rod

Screw,

Pan

Hd.

w/Washer,

+M2.0x6.0

Spring,

Pause

Rod

Pause

Lock

Lever

Spring,

Pause

Latch

Washer,

M1.2x3.0x0.3

Motor

[M1]

Sheet

Cushion,

Motor

Screw,

Pan

Hd.

w/Washer,

+M2.0x6.5

Spring,

Play

Rod

Take-up

Idler

Washer,

M2.1x4.5x0.4

Completed

Rewind

Rod

Completed

F.FWD.

Rod

Bracket

Plate

Spring,

lock

Recrod

Spring,

Stop/Eject

Rod

Spring,

F.PWD

Rewind

Rod

Washer,

M2.6x4.7x0.13

Capstan

Gear

Spring,

Flywheel

Assy

Capstan

Belt

Reel

Plate

Assy

Shut-off

Lever

Spring,

ASO

Cancel

Take-up

Ree}

Assy

Spindle

Washer,

M1.7x3.4x0.4

Spring,

Supply

Q

~-

<

=

pow

eee

enon

ws

ep

enmraten

st

wrest

oY

SB

Heese

en

est

Bw

eBe

Br

Bet

Be

AH

NH

ABVreaer

et

2

Ht

FP

42N

Steerer

rer eer

ete

rt

I

Ref.

No.

MC64

MC65

MC66

MC67

MC68

MCc69

MC70

MC71

MC72

MC73

MC74

MC75

MC76

MC77

MC78

MCc79

MC80

MC81

MC82

MC83

MC84

MC85

MC86

MC87

MC88

M21

MZ2

MZ3

M24

MZ5

MZ6

MZ7

MZ8

141

144

141

144

141

144

14]

141

101

Part

No.

0

5319

07100

0

7439

11200

2

5519

46100

2

7439

30400

2

7439

30500

2

8549

18400

2

7419

81700

2

8549

15200

2

4539

09300

2

5519

46200

2

4539

30300

2

4539

01402

2

4469

17201

0

7419

35701

2

8549

16600

2

7319

54100

2

7319

54000

2

7419

81900

2

8429

06300

2

8519

84300

2

8519

33000

2

4539

20200

2

7319

53700

2

8549

15300

2

4469

40200

3

1302

00511

3

2502

00711

110

3

1102

00023

112

3

1302

00082

112

3

1302

50082

127

3

1317

02013

143

3

1702

00618

143

3

1202

01018

NOTES:

1.

Parts

order

must

contain

Model

Number,

Part

Number

and

Description.

2.

Ordering

quantity

of

screws

and

resistors

must

be

multiple

of

10

pcs.

Description

Reel

Supply

Assy

Rewind

Arm

Assy

Rewind

Gear

Selector

Link

Fast

Arm

Spring,

Fast

Arm

F.FWD.

Lever

Spring,

F.FWD.

Rewind

Arm

Washer,

M2.6x5.5x0.2

Fast

Gear

Washer,

M2.1x4.5x0.3

Washer,

M2.1x6.0x0.5

Cushion

Stop

Rod

Assy

Spring,

Eject

Plate

Eject

Piate

Lock

Plate

Cue

Review

Lever

Record

Plate

Spring,

Flywhee!

Support

Spring,

Index Lever

Lock

Washer,

M2.4x4.0x0.3

Take-up

Arm

Spring,

Take-up

Arm

Cushion

Screw,

Pan

Hd.,

+M2.0x5

Screw,

Cylinder

Hd.,

-M2.0x7

sm.

Round

Washer,

M2.0

E

Ring,

M2.0

E

Ring,

M2.5

P!

Screw-1,

Pan

Hd.,

+M1.7x2.0

Screw,

Bind

Hd.

Tapping-B,

+M2.0x6

screw,

Flat

Hd.

Tapping-B,

+M2.0x10

Q’ty

MECHANISM

EXPLODED

VIEW

(Chassis

Top)

Mc24—©

Nzz——e

©—MLI

Mz3——b

>

—Me2s

N23)

|

wcze—o:

a

:

mc26

——&

<—

Mezs

mc21

|

McZ0—

35

rsa

MC19

ii

mcg

eae

Z

)

MI3—ae

ee

Ls

7

KE

aie

eT

OES

ee

Ee

ee

er

MECHANISM

EXPLODED

VIEW

(continue)

(Chassis

Bottom)

MC56

MC55

———-3

=

M53

a

37

MCc52

wzI—e

av

MCS

P.C.BOARD

PARTS

LIST

ial

Part

No.

Description

Q’ty

AMPLIFIER

P.C.B.

ASSY

PCB1

4

1329

78092

Amplifier

P.C.B.

Assy

1

4

2269

37500

PRC

Board

1

141

2

4729

04700

Staple,

10mm

8

Jt

4

2359

75472

1P

Jack

(Mike)

1

J2

4

2359

75472

1P

Jack

(Earphone)

1

J3

4

2359

75461

=

1P

Jack

(Remote)

1

J4

4

2359

76360

Ext.

Power

Socket

1

S1

4

2319

73400

Slide

Switch

(Record/Play)

1

S2

4

2319

74490

_

Leaf

Switch

(Power)

1

P101

4

2229

73790

_-

Potentiometer

(B-3k)

1

VR1

4

2229

73572

Volume

Control

(A-30k)

1

TH101

204

5

9000

00200

Thermister,

SDT

20

1

D1

202

5

9110

18820

Diode,

15

188

1

Q1

203

5

5100

69372

_‘

Transistor,

2SC

693

1

\C1

206

5

1084

14010

1IC,LA

4140

1

(C101

206

5

1555

51220

=

IC,

LAS512

1

C1

CM33

3500

KOOTV

Mylar

0.033uF

50V

+10%

1

C2

CT4

7

363A

MOOAV

Tantalume

0.047uF

63V

+20%

1

C3

CTi

0

563A

MOOAV

Tantalume

1uF

6.3V

420%

1

C4

CD4

7

5350

0002V

Electrolytic

47uF

35V

1

C5

CCi

2

2500

KEOOC

Ceramic

0.0012uF

50V

+10%

1

C6

CD4

7

663A

0001V

Electrolytic

47uF

6.38V

1

C7

CT1

0

463A

MOOAV

Tantalume

O1uF

63V

+20%

1

C8

CD4

7

5250

0001V

Electrolytic

47F

25V

1

C9

CD4

7

5160

0004V

_

Electrolytic

47uF

16V

1

C10

CC1

0

2500

KEOOC

Ceramic

0.00iuF

50V

+10%

1

C11

CD1

0

763A

0001V

Electrolytic

100uF

6.3V

1

C12

CD2

2

740A

0002V

Electrolytic

220KF

4V

1

C13

CC1

2

2500

KEOOC

Ceramic

0.0012uF

50V

+10%

1

C14

CC5

6

1500

KEOOC

Ceramic

560pF

50V

+10%

|

C15

CD4

7

6100

0003V

_

Electrolytic

474F

=.

10V

1

C16

CM68

3500

KOOTV

Mylar

0.068uF

50V

+10%

1

C17

Cli

0

3250

KEOOC

Boundary

0.01uF

25V

+10%

1

C18

CD2

2

740A

0002V

_

Electrolytic

220KF

4V

1

C19

CD4

7

640A

0002V__

Electrolytic

47pF

4V

1

C20

4

2239

70520

Capacitor

220KF

«6.3

1

C21

CD2

2

7100

0003V

_

Electrolytic

220uHF

86

10V

1

C101

CD47

4500

0002V

Electrolytic

0.47u4F

50V

1

C102.

CC2

2

3250

KEOOC

Ceramic

0.022uF

25V

+10%

1

R5

RD1

0

5251

KM000

Carbon

iMQ

=

1/4W

+10%

1

R6

RD1

5

3251

JM000

Carbon

15kQ

1/4W

+5%

1

R12

RP5

6

3121

JVO00

Pretty

Carbon

56kQD

«=1/8BW

+5%

1

R16

RP1

0

0121

JHOOO

Pretty

Carbon

100

1/8W

=+5%

1

R18

RP1

0

0121

JVO00

Pretty

Carbon

100

1/8W

=+5%

1

R22

RD4

7

0251

KM000

Carbon

470

1/4W

+10%

1

R101

RP1

81121

JHOOO

Pretty

Carbon

1800

i1/8BW

=+5%

1

R103.

RP5

6

2121

JV000

‘Pretty

Carbon

56kQ

1/BW

+5%

1

R102.

RD8

2

1251

JMO00

Carbon

8200

1/4W =+5%

1

LED

INDICATOR

P.C.B.

ASSY

PCB2

4

2269

37520

LED

Indicator

P.C.B.

Assy

1

4

2269

37510

PRCLED

1

D1

4

2029

72090

LED

(Record/Battery)

1

NOTES:

|

1.

Parts

order

must

contain

Model

Number,

Part

Number

and

Description.

:

2.

Ordering

quantity

of

screws

and

resistors

must

be

multiple

of

10

pcs.

IC

&

TRANSISTOR

LEAD

IDENTIFICATION

2SC536

2SC693

:

ECB

LA5512

FRONT

VIEW/BOTTOM

VIEW

1234

TERMINAL

NAME

‘B—

BASE

C—

COLLECTOR

E—

EMITTER

LA4140

FRONT

VIEW/BOTTOM

VIEW

LA5512

BLOCK

DIAGRAM

Reference

Voltage

Circuit

LA4140

BLOCK

DIAGRAM

Ripple

Filter

Driver

Amp.

Phase

Negative

Phase

P.C.

IN

N.F.

P.C.

GND

OUT

B+

Bootstrap

Ripple

Filter

D.C.

Compensation

Feedback

Compensation

spa

GRASS

vASn

Rao

ROTA

TSE

EE

ere

de

BR

oon

ona

Rae

cee

irik

A

ee

AMEE

RMT

BEBE,

ane

SEn

an

re

AR

Bese

EA

ROR

Hans

EES

SE

eee

eg

sale

cae

gta

sg

ee

ghee

peg

en

wo

3

orca

he

CRA

Na

Bigs

MRE

AES

gi

a

BOE

EGU

BE

ND

I

OEE

TE

AE

OEIC

EYEE

ACARI

Att

WW

E

a

=

BATTERY

**AA’*CELL

X4

6V

GRAY

WHITE

+

J4

EXT.

POWER

JACK

BLUE

+

GRAY

2

J2

EARPHONE

JACK

Ji

MIKE

JACK

J3

REMOTE

JACK

es]

ee

SP

|

SPEAKER

M

|

MOTOR

VR

I

CONTROL

VOLUME

BLUE

BM

|

BUILT-IN

MIKE

(REC

/BATT,

—11-

|

2s

;

.

SCHEMATIC

DIAGRAM

oi

2SC693

ict

LA4140O

PRE-AMPLIFIER

POWER

AMPLIFIER

4.9V

.

|

6V

+]

C2

BM|

=

BUILT-IN

MIKE

+

C10

VRI

A.

30K

ie

lu

VOLUME

_,

-

Jt

3

MIKE

JACK

_

D

|

2

R23

)

NL424

390

PY

(REC./

BATT.)

0.06l2p

10

3

|

icioi

LA551l2

HD

2

|

ERASE

HEAD(

MAGNET)

=

:

MOTOR

GOVERNOR

CIRCUIT

a3

J3

REMOTE

JACK

Ww

On

nN

On

Of

al

POWER

SWITCH

J4

EXT.

POWER

JACK

-

Signal

flow

of

PLAY

"AA

CELL

X

4

6V

»

Signal

flow

of

RECORD

SOV

|

Lcio2

|

=

tt

oO

(2)

N

sa

iE

-

4

Record/Play

Switch

S2

|

Power

Switch

S3

|

Mike

Sense

Switch

—13-

4

4—

Sanyo M1011 User manual

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