Sanyo M1110 Manuale utente

santiechenL

eee.

oat

SSS

————

SERVICE

MANUAL

MINI

CASSETTE

RECORDER

142

381

SPECIFICATIONS

Power

Source

Wow

Flutter

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

0.4%,

WRMS

ieta

rasan

aaevennnees

pews

Frequency

Response

(Overall)

..........

200Hz~

4,000Hz

(UM-3,

Cell,

Mignonzelle,

Erase

Ratio

(Overall)

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

40dB

Output

Power

...............0..0.00e-

0.6W

(Max.)

Signal

Noise

Ratio

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

30dB

Current

Consumption

(at

Vol.

Min.)

Crosstalk

Record

mode

................cccceceeeeeee

130mA

Track

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

Ase

50dB

Playback

mode

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

ana

ceehe

120mA

Harmonic

Distortion

(K3)

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

10%

Fast

Forward

mode

...............0.0005

220mA

Hum

Noise

(at

Vol.

Min.)

—

Rewind

mode

...........

Shestpusmseealns

220mA

Vol.

Min.

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

seapenube

obaaea

—50dBs

Recording

System

.................0.0.008

Bias

Vol.

Max.

......

ett:

renee

cena

—30dBs

Erasing

System

.........-

eee

noc

eeattes

Magnet

Erasing

Terminal

Impedance

Tape

Speed

.......

cee

cece

ese

cues

1-7/8ips.

MIG.

cccdmadest

ace

ETRY

nee

3kO

Fast

Forward

Time

...............ccceeee

150sec.

(with

C-60)

Ext

Speaker

svericw

sees

dunsennad

Rewind

Time

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

euotieaace

150sec.

(with

C-60)

—Specifications

subject

change

without

notice.—

WM-8250

DISASSEMBLY

INSTRUCTIONS

«O°

CABINET

BOTTOM

REMOVAL

Remove

the

four

screws

fastening

the

Cabinet

Bottom

and

detach

the

Cabinet

Bottom

lifting

it,

noting

the

Red

Gray

speaker

and

shield

plate

leads.

| |

Blue

Brown

The

Jack

Cabinet

and

Cabinet

Front:

can

removed

from

the

unit

detaching

the

Cabinet

Bottom.

Jack

Cabinet

Front

Remove

the

two

screws

and

fastening

the

P.C.Board.

Remove

the

Amplifier

P.C.Board

lifting

the

direction

the

arrow,

noting

the

lead

wires

the

Indicator

P.C.Board

ail

and

Buil-in

Microphone.

necessary,

unsolder

their

lead.

Reassemble

reverse

order.

Reassemble

reverse

order.

MECHANISM

CHASSIS

REMOVAL

Remove

the

Cabinet

Bottom

following

the

instructions

and

unsolder

the

shield

plate

lead

(gray),

the

speaker

leads

AMPLIFIER

P.C.BOARD

REMOVAL

(blue

and

red),

and

the

leads

for

the

power

supply

(brown

Remove

the

Cabinet

Bottom

following

the

instructions

and

black)

from

the

Amplifier

P.C.Board.

and

unsolder

the

shield

plate

lead

(gray),

the

speaker

leads

(blue

and

red),

and

the

teads

for

the

power

supply

(brown

Open

the

Cassette

Compartment

Lid

pressing

the

and

black)

from

the

P.C.Board.

STOP/EJECT

button

and

remove

the

fastening

screw

(7).

Remove

the

post

(8)

and

the

two

screws

and

10)

fastening

the

Chassis.

Detach

the

Mechanism

Chassis

from

the

Cabinet

Top

lift-

ing

it,

noting

the

lead

wires

the

Indicator

P.C.Board

and

Built-in

Microphone.

necessary,

unsolder

their

lead.

Reassembie

reverse

order.

ADJUSTMENTS

GENERAL

REMARKS

Before

adjustment,

wipe

the

tape

contacting

surfaces

clean

well

the

contacting

surfaces

the

driving

parts

with

soft

cloth

soaked

alcohol.

Trouble

may

occur

because

oil

and

grease

stains.

Carefully

handle

the

belt

because

grease

easily

attaches

it.

Then,

check

the

used

rubber

parts.

the

rubber

has

dete-

riorated

scratched,

replace

the

parts

with

new

one.

EQUIPMENT

REQUIRED

VIVM

Frequency

Counter

Dummy.Load

(80

)

Test

Tapes

8kHz

Test

Tape

(Example:

TEAC

MTT-

111)

for

Tine

Speed

Adjustment

8kHz

Test

Tape

(Example:

TEAC

MTT-113C)

for

Head

Azimuth

Adjustment

Constant-voltage

Regulator

Alignment

Too!

NOTE:

Supply

the

Ext.

Power

Jack

from

the

constant-

voitage

regulator

the

adjustment.

AUTO

SHUT-OFF

MECHANISM

ADJUSTMENT

When

the

unit

set

the

playback

mode,

the

Shut-off

Lever

reciprocates

according

the

rotations

the

Take-

Idler

and

Take-up

Reel.

Set

the

unit

the

playback

mode

with

the

power

supply

and

slowly

turn

the

Flywheel

clockwise

until

the

Shut-off

Lever

comes

closest

the

Spring.

Check

that

the

Spring

touches

the

Rewind

Arm,

and

that

the

clearance

O.5mm

remains

between

the

Shut-

off

Lever

and

Spring

illustrated.

|O|

0.5mm

SSS

—

fOsta

(@®)

Shut-off

Lever

Rewind

Arm

;

Spring

“O

the

specified

clearance

not

obtained,

adjust

the

clear-

ance

bending

the

Spring.

NOTE:

the

clearance

not

adjusted

correctly,

the

following

symp-

toms

can

occur:

When

the

clearance

than

0.6mm;

When

the

Rewind

button

released

return

the

unit

from

the

review

mode

the

playback

mode,

the

unit

may

shut

off

automatically.

When

the

Shut-off

Lever

pushes

the

Spring

while

reciprocating;

When

the

tape

has

reached

its

with

the

unit

the

playback

mode,

the

unit

may

not.

shut

off

automatically.

TAPE

SPEED

ADJUSTMENT

Remove

the

battery

compartment

lid

and

connect

frequen-

_cy

counter

the

earphone

jack

illustrated.

—

Then,

insert

3kHz

test

tape

(Example:

TEAC

MTT-111)

into

the

cassette

compartment.

Frequency

Counter

3kHz

3%]

Potentiometer

(P101)

for

Tape

Speed

Adjustment

While

playing

back

the

test

tape,

adjust

the

tape

speed

turning

the

potentiometer

(P101)

the

P.C.Board

until

the

frequency

counter

reads

3kHz

3%).

ADJUSTMENTS

(Continued)

HEAD

AZIMUTH

ADJUSTMENT

Connect

VTVM

the

earphone

jack

illustrated

and

insert

8kHz

test

tape

(Example:

TEAC

MTT-113C)

into

the

cassette

compartment.

Adjustment

R/P

Head

VTVM

(Max.)

Adjusting

Screw

While

playing

back

the

test

tape,

slowly

turn

the

azimuth

ad-

justing

screw

until

the

VTVM

reads

the

maximum.

EAR

After

the

adjustment,

secure

the

adjusting

screw

with

paint

glue.

PARTS

LIST

Part

No.

Description

Q’ty

PACKAGE

141

1419

64700

Individual

Carton

141

1449

81800

Styrofoam

Case

141

2519

12090

Poly

Cover

141

3919

41700

PlainPad

141

4559

00100

Serial

No.

Sheet

ACCESSORIES

2419

71641

Cassette

142

4119

31556

—

Instruction

Manual

—

CABINET

CAT

144

1119

87202

Completed

Cabinet

Top

CA2

141

4469

17200

Cushion

CA3

147

2149

15300

Bracket

Cabinet

CA4

141

1119

83200

Cabinet

Jack

CA5

~=141

2529

05400

~——

Shaft

CA6

=141

2.1769

07100

Hand

Strap

CA7

141

1119

82201

Cabinet

Front

CA8

141

1519

36300

Decorative

Cabinet

CA9

1414.

2449

45300

Sheet,

Mike

CA10

1539

70620

Microphone

[BM1]

CA11

=141

3899

10100

Holder

Mike

CAI2

2269

37520

LED

Indicator

P.C.B.

Assy

[See

PCB2]

CAI3.

144:

4219

27200

~=Screw

CA14

141

7539

21800

=‘

Post,

Cabinet

CAI5

1329

78092

Amplifier

P.C.B.

Assy

[See

PCB1]

CA16

141

1639

50002

Control

Knob

CA17

141

4219

08900

Screw

CA18

141

4469

14502

Cushion

CAi9

141

4469

17201

Cushion

CA20

1441

01119

87102

Cabinet

Bottom

Assy

CA2i

1519

71340

Speaker

(80

)

[SP1]

CA22

141

3729

03100

Bracket,

Speaker

CA23.

141

4219

21800

Screw

CA24

141

3229

39000

Shield

Leaf

CA25

141

2899

26600

Adhesive

Sheet

CA26

141

4469

35200

Cushion

CA27

141

1339

28302

Battery

Lid

CX1

101

1302

00811

Screw,

Pan

Hd.

+M2.0x8

CX2

101

1302

01211

—

Screw,

Pan

Hd.

+M2.0x12

CX3

103

1302

00511

Screw,

Pan

Hd.

Tapping-2

+M2.0x5

CX4

103

1302

00614

Screw,

Pan

Hd.

Tapping-2

+M2.0x6.

CX5

128

1317

04014

Screw-3,

Pan

Hd.

4+-M1.7x4.0

CX6

128

1320

04014

Screw-3,

Pan

Hd.

+-M2.0x4.0

CX7

128

1320

06014

Screw-3,

Pan

Hd.

+M2.0x6.0

CX8

131.

1302

00411

Screw,

Pan

Hd.

+M2.0x4

CX9

143

1702

00618

Screw,

Bind

Hd.

Tapping-B

~+-M2.0x6

NOTES:

Parts

order

must

contain

Model

Number,

Part

Number

and

Description.

| |

Ordering

quantity

screws

and

resistors

must

multiple

pcs.

epee:

cere

CABINET

EXPLODED

VIEW

ie:

Ref.

MCt

MC2

MC3

MC4

MC5

MCc6

MC7

MC8

MCcg

MC10

Mct1

MC12

MC13

Mc14

MC15

MC16

MC17

MC18

MCt9

MC20

Mc2t

MC22

MC23

MG24

MC25

MC26

MC27

MC28

MC29

MC30

MC31

MC32

MC33

MC34

MC35

MC36

MC37

MC38

MC39

MC40

MC41

MC42

MC43

Mc44

MC45

MC46

MC47

MC48

Mc49

MC50

MC5t

MC52

MC53

MC54

MC55

MC56

MC57

MC58

MC59

MC60

MCé61

Mc62

MC63

Part

No.

MECHANISM

141

3119

21300

144

8119

10801

141

5649

20200

141

8139

08901

141

7539

21800

141

4219

28100

141:

7419

36800

141

8519

94300

141

8519

44100

141

8419

11900

141

7419

81800

141

8419

11800

141

8529

10800

141

7419

82500

141

8519

61100

141

7149

05800

141

4459

25200

141

7319

25601

141

8219

32000

141

3529

36000

141

8529

10700

141

7439

30600

2429

71241

141

4219

28300

141

8519

47400

2429

71250

141

4729

01900

141

3529

18101

141

8529

11100

141

5459

01900

141

8529

11200

141

8539

46800

141

7419

35901

141

4219

13201

141

8549

16400

141

7419

84200

141

8529

10600

141

4539

29600

5279

71180

141

2449

45200

141

4459

26800

141

4219

23300

1414

8529

11000

141

5519

46400

141

4539

15800

141

7419

35801

141

7419

35601

144

3169

19700

141

8519

33000

141

8549

16500

141

8519

87900

141

4539

21800

141

5519

46000

141

8559

03300

141

5219

09000

{41

5649

20300

141

3129

01500

141

8559

04600

141

7419

81600

141

8529

13000

141

5319

07000

141

4539

28900

141

8559

04300

MECHANISM

PARTS

LIST

Description

Chassis

Assy

Counter

Belt

Counter

Bracket

Post,

Cabinet

Screw,

Pan

Hd.

‘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

Fape

Spacer,

Head

Spring,

Erase

Head

Arm

Erase

Head

Arm

Erase

Head

Screw

w/Washer

Spring,

Head

R/P

Head

Lug

Spacer,

Head

Spring,

Slide

Base

Pinch

Roller

Arm

Assy

Spring,

Pinch

Roller

Spring,

Cassette

Completed

Pause

Rod

Screw

w/Washer

Spring,

Pause

Rod

Pause

Lock

Lever

Spring,

Pause

Latch

Washer

Motor

Sheet

Cushion,

Motor

Screw

Spring,

Play

Rod

Take-up

Idier

Washer

Completed

Rewind

Rod

Completed

F.FWD.

Rod

Bracket

Plate

Spring,

Index

Lock

Lever

Spring,

Stop/Eject

Rod

Spring,

Select

Lock

Washer

Capstan

Gear

Spring,

Flywheel

Assy

Capstan

Belt

Reel

Plate

Assy

Spring

Shut-off

Lever

Spring,

ASO

Cancel

Take-up

Reel

Assy

Spindle

Washer

Spring,

Supply

+M2.0x8.6

Q’ty

Ref.

No.

Part

No.

Description

Q’ty

MC64

MC65

MC66

MC67

MC68

MC69

MC70

MCc71

Mc72

MC73

MC74

MC75

MC76

MC77

MC78

Mc79

Mc80

MC8i

Mc82

MC83

MC84

MC85

MZI

Mz2

Mz3

MZ4

MZ5

MZz6

MZ?

MZ8

Mz9

141

5319

07100

141

7439

11200

141

5519

46100

141

7439

30400

141

7439

30500

141

8549

18400

141

7419

81700

141

8549

15200

141

4539

09300

144

5519

46200

141

4539

30300

141

7419

35701

141

8549

16600

144

7319

54100

141

7319

54000

141

7419

81900

141

8429

06300

144

8519

84300

141

8519

92500

141

4539

06900

141

7319

53700

141

8549

15300

101

1302

00511

101

2502

00711

110

1102

00023

112

1302

00082

112

1302

50082

127

1317

02013

135

1302

01211

143

1702

00618

143

1202

00818

NOTES:

Parts

order

must

contain

Model

Number,

Part

Number

and

Description.

Ordering

quantity

screws

and

resist

pcs.

Ring

Reel

Supply

Assy

Rewind

Arm

Assy

Rewind

Gear

Selector

Link

Fast

Arm

Spring,

Fast

Arm

F.FWD.

Lever

Spring,

F.FWD.

Rewind

Arm

Washer

Fast

Gear

Washer

Stop

Rod

Assy

spring,

Eject

Plate

Eject

Plate

Lock

Plate

Cue

Review

Lever

Record

Plate

Spring,

Flywheel

Support

Spring,

Damper

Lever

Washer

Take-up

Arm

Spring,

Take-up

Arm

Screw,

Pan

Hd.

screw,

Cylinder

Hd.

Sm.

Round

Washer

+M2.0x5

-M2.0x7

M2.0

M2.5

Screw-1,

Pan

Hd.

Screw,

Pan

Hd.

Screw.

Bind

Hd.

Tapping-B

Screw,

Flat

Hd.

Tapping-B

+M2.0x12

+M2.0x6

+M2.0x8

+M1.7x2.0.

ors

must

multiple

MECHANISM

EXPLODED

VIEW

(Chassis

Top)

Mc24——®

Mzz2——e@

©—MZI

2—me7

ners

MC26

—

wic25——S

| :

‘

<i)

: :

(Chassis

Bottom)

-MC5I

Mz8—e

ism

EHD

nag

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