Sanyo FMT-450K Manuel utilisateur

SANYO

TEREO

TUNER

F

MT

-450K

(SEV)

SERVICE

MANUAL

SPECIFICATIONS

FM

SECTION

AM

SECTION

Tuning

Frequency

Range:

88

to

108MHz

Tuning

Frequency

Range:

535

to

1605kHz

IF:

10.7MHz

Usable

Sensitivity:

200uV/m

at

20dB

Quieting

Usable

Sensitivity:

1.9uV

10uV

(IHF)

Capture

Ratio:

1.0dB

Selectivity

(IHF):

35dB

Selectivity

(IHF):

More

than

65dB

Signal

to

Noise

Ratio:

50dB

Signal

to

Noise

Ratio:

Image

Rejection:

Spurious

Rejection:

AM

Suppression:

Harmonic

Distortion:

IF

Rejection:

Frequency

Response:

Muting

Sensitivity:

FM

MPX

SECTION

Stereo

Separation:

Frequency

Response:

Harmonic

Distortion:

Signal

to

Noise

Ratio:

Sub

Carrier

Suppression:

FM/FM

MPX

SECTION

Antenna

Input:

Antenna

Input

Level

Switch:

DIAL

CORD

STRING

eae

FRONT

END

ADJUSTMENT

More

than

70dB

More

than

100dB

More

than

95dB

55dB

Mono:

Less

than

0.2%

More

than

100dB

Mono:

20Hz

to

15kHz

+0dB,

—2dB

25uV

More

than

40dB

(1kHz)

More

than

30dB

(50Hz

to

10kHz)

50Hz

to

10kHz

+0.2dB,

—0.5dB

Stereo:

Less

than

0.3%

Stereo:

Less

than

65dB

70dB

300

ohms

balanced

75

ohms

unbalanced

—20dB

PULLEY

POINTER

ASS’Y

Image

Rejection:

Harmonic

Distortion:

IF

Rejection:

AUDIO

SECTION

Output

(Level/Impedance)

Fixed:

Variable:

MISCELLANEOUS

Power

Requirements:

SEV/FTZ

version:

Dimensions

(overall):

Weight:

STRING

More

than

65dB

Less

than

0.6%

65dB

700mV/3K

ohms

0

to

1000mV/1K

ohms

(Switchable)

120V,

220V.

50/60Hz

Wide

.....

420mm

Height

....

130mm

Depth

....

330mm

7.3kg

ADJUSTMENT

AM

ADJUSTMENT

Adjusting

ve

|

See

pf

Sa

Repeat

adjustments.

Connections

Output

Input

|

V.T.V.M.

AM

Detector

9-21300

AN

AM

IF

9-21200

455

KHz

$6.

frequency

|

feng

da

455kHz

Near

max.

capa-

(Range

30%

city

of

VC.

at

modulation)

position

with

no

unrequired

signal

Connect

oscilloscope

to

AM

Output

(PIN

NO.

7)

Connect

sweep

gener-

ator

to

VC5.

AM

ANT

COIL

600kHz

9-210500

Connect

standard

loop

(400Hz,

30%

600kHz

AM

OSC

COIL

antenna

to

output

ter-

|

Connect

V.T.V.M.

to

|

modulation)

9-20740

Output

Terminal

minals

of

SG.

Place

receiver

2

feet

from

loop

antenna.

1400kHz

(400Hz,

30%

modulation)

1400kHz

PREPARE

1.

Variable

capacitor

completely

closed.

4.

Selector

switch

to

“AM”.

2.

Set

the

dial

pointer

to

very

left

line

dial

scale.

5.

Use

a

screwdriver

with

plastic

grip

for

all

adjustments.

3.

Connect

sweep

generator

SG,

V.T.V.M.

and

oscilloscope.

FM

ADJUSTMENT

Adjusting

se

|

Sie

[ae

caine

\F

10.7MHz

Range

Ratio

Det.

90MHz

RF

106MHz

cs

Repeat

adjustments.

V.T.V.M.

Front

End

IF

Position

of

tuning

dial

Near

max.

capa-

city

of

VC.

at

position

with

no

unrequired

signal.

Connect

oscilloscope

to

TP.2

Connect

sweep

gener-

ator

to

test

point

TP1

through

0.01uF.

Connect

oscilloscope

to

IF

P.C.B.

NO.

8

or

10

FM

ANT

Coil

(LA)

FM

OSC

Coil

(LO)

RF

Coil

(LR1)

RF

Coil

(LR2)

TCO

TCR.1,

TCR.2

TCA

90MHz

(400Hz,

30%

modulation)

Connect

V.T.V.M.

to

output

terminal

Connect

FM

SG.

to

FM

ANT.

terminals.

106MHz

(400Hz,

30%

modulation)

PREPARE

1.

Variable

capacitor

completely

closed.

4.

Selector

switch

to

“FM”

2.

Set

the

dial

pointer

to

very

left

line

of

dial

scale.

5.

Use

ascrewdriver

with

plastic

grip

for

all

adjustments.

3.

Connect

sweep

generator,

FM

SG,

V.T.V.M.

and

oscilloscope.

FM

MPX

ADJUSTMENT

V.T.V.M.

Orcilloscope

(3)

Cross

talk

VR1

|

min,

Connections

Position

of

Connect

V.T.V.M.

to

test

point

TP.3

19kHz

9-20210

(Black)

38kHz

9-20220

(White)

Connect

FM

stereo

SG

to

FM

ANT

terminals.

19kHz

signal

ON.

Main

channel,

sub

channel

signal

ON.

Add

1000Hz

signal

from

L

Ch.

Near

max.

capa-

city

of

VC.

at

position

with

no

Connect

V.T.V.M.

to

R

output

terminal.

FM

stereo

4 ‘

Cross

talk

signal

Connect

FM

stereo

SG

to

FM

ANT

unrequired

signal.

9-20210

separation

|

terminals.

19kHz

signal

ON.

Main

Connect

V.T.V.M.

to

L

9-20202

channel,

sub

channel

signal

ON.

output

terminal.

Add

1000Hz

signal

from

R

Ch.

Repeat

steps

3

—

4.

Set

at

position

with

max.

channel

separation.

PREPARE

1.

Variable

capacitor

completely

closed.

3.

Function

switch

to

“STEREO

AFC”.

2.

Connect

FM

stereo

SG.

and

V.T.V.M.

4.

Use

a

screwdriver

with

plastic

grip

for

all

adjustments.

EXPLODED

VIEW

Nil

AW,

8

=};

is)

—=

oe

a>

PARTS

LIST

ker

<a

[me

[ene

Tow

PACKING

CHASSIS

131

25205

13400

|

Cushion

131

61139

48112

|

Box

corrugate

exp

131

6

2119

01440

|

Bag

polyethylene-exp

131

6

3009

18600

|

Pad

131

6

3069

16050

|

Patching

sheet

131

6

4559

10100

|

Manufacturing

No

Shelter

light,

Steres

ind

Shelter

light,

Dial

pilot

Shelter

light,

Pilot

Dial

Shelter

light,

Pane!

control

Shelter

light,

Meter

lamp

Shelter

light,

Meter

cover

Bushing,

AC

cord

Bushing,

Function

ind

Bushing,

ANT

wire

Shelter,

Pilot

PCB

Label

(fuse)

Label

(FTZ)

Plate

pad

switch

131

26110

20100

131

26110

20900

131

26110

22500

131

26110

22600

131

2

6110

22700

131

26110

22800

131

26111

11300

131

26111

11600

131

26111

14200

131

26113

16400

131

2

7103

21600

131

2

7103

21700

131

2

7104

00101

Antenna,

FM

W

cord

Bag

fan

Explanatory

booklet

4

2449

20230

131

0

4004

11501

131

6

2719

10600

131

6

4119

36506

ad

od ah

od

()

—)

A

A)

od

=) od

ot

131

2

1101

25300

2

1101

25400

2

1105

13100

2

1312

11100

2

1801

13300

2

4203

84204

2

7103

19800

2

7103

19900

0

1001

26900

0

1001

27000

0

1016

18303

2

1203

29403

2

1311

33800

2

1116

12700

2

1116

12800

2

1201

24601

2

1504

10902

2

1601

30900

2

4201

12400

2

6111

13600

2

6113

11400

2

6113

16300

Cabinet

Plate,

Bottom

Grill

Leg

Washer,

4.2

x

14

x

Imm

Label,

Plate

bottom

Caution

label,

Cabinet

L

side

Knob

assy,

Push

Knob

assy

Panel

decorate

assy

Panel

control

Sash

Frame

Plate,

Dial

Plate,

Sign

lamp,

Function

ind.

Knob,

Tuning

Screw,

Tuning

knob

Bushing,

Push

knob

Shelter,

Lever

SW

Shelter,

Lever

SW

4

1259

20280

4

2229

23860

4

2319

21531

4

2319

23470

4

2349

20450

4

2349

21200

4

2359

20160

4

2359

21021

4

2359

21440

4

2359

21480

4

2379

20251

4

2379

20440

4

2379

20910

4

2379

21050

4

2379

21060

4

2439

20521

4

2439

20550

4

2519

23092

4

2539

20150

4

2579

21023

4

2599

20300

45119

20343

45119

20352

46129

20154

4

6129

20280

4

6129

20360

Front

end

VR

B-10K

Switch

slide

6P

110V-220V

Lever

SW,

Power

Fuse

0.2A

Fuse

2A

6.3V

Fuse

holder,

Meter

lamp

Fuse

holder,

AC

1P

phono

socket

Socket

phono

2P

Terminal

1-1PL

Terminal

lug

1-4P

Terminal

lug

2P,

ANT

Terminal

antenna

Terminal

G

|

Power

cord

)

Power

cord

Power

trans

Choke

coil,

AM

Bar

antenna,

AM

Balun

Signal

meter

Tuning

meter

Pilot

lamp,

Steres

ind

Pilot

lamp

Pilot

lamp,

Pointer

MP

Con

0.01mF

+20%

250V

Electrolytic

1000mF

16V

Ceramic

0.01mF

+80

—20%

SOV

C2E

H

RM

103A--

C1C

R

E-10

8A--

C1H

V

DZ10

3A-

131

26308

15900|

Filter,

Grass

WS

BD

SS

eS

Sw

er

er es os es

om

So

WDA

SOA

er

or

Ceramic

0.0i1mF

+20%

50V

Carbon

2.2K

ohm

+5%

1/4W

Carbon

100K

ohm

+5%

1/4W

Cramp

wire

Diode

DS-442

C1H

Y

SM10

3R-

R2E

D

PJ22

2A

R2E

DPJ10

4A

131

2

3608

11300

205

5

9043

44210

0

3002

10800

0

3003

16400

O

3008

11700

0

3011

14700

0

3020

02600

Drum

assy

Shaft

dial

assy

Support

antenna

assy

Pointer

assy

Pully

assy

=aPh—

=

0

3020

03800

2

1110

17001

2

1310

21817

2

1406

11600

2

3101

19700

2

3101

30300

2

3301

17300

1

2

3304

16000

2

3305

17200

2

3306

17003

2

3608

11200

2

3608

11700

2

3608

11701

2

3621

00400

2

3621

00500

2

4107

10200

2

4107

10300

2

4108

10300

2

4111

00300

2

4112

10200

2

4201

12701

2

4221

00100

2

5205

11800

2

5205

12000

2

5205

13500

2

6107

13900

2

6107

14200

Pully

assy

Plate

decorate,

Rear

panel

AC

out

Name

plate

Piate

color,

Meter

Metal

mount,

FM

steres

ind

Metal

mount,

Pilot

PCB

Chassis

Plate

dial

rear

Panel

front

Panel

rear

Cramp

wire,

Pointer

wire

Cramp

wire

Cramp

wire

Metal

cramp

wire

Metal

cramp

wire

Pulley

Spindle

pulley

Rope,

Spring

Rope,

0.5mm

Screw

Rivet

Cushion

Cushion,

Grass

Plate

sever,

Metal

lamp

holder

Plate

sever,

Power

SW

—

ADA)

=

GO

A)

=

@

a

CO

a

A)

2 =

U1

2

et

es

oe

2

A)

@

ow

@

2

rd

or os

PARTS

LIST

FM

|F

PCB

ASSY

Ref.

oe

.

No.

Description

Q'ty

FM

IF

PCB

ASSY

131

0

4001

50400

|

FM

IF

PCB

Assy

1

R211,221,

}}

R2E

DSJ10

2A

Carbon

1K

ohm

+5%

1/4W

4

2569

21000

|

FM

IFT

1

222

1FT201,202

4

2569

21103

|

FM

IF

Filtor

2

R202,206,)

|

R2E

DSJ12

2A

Carbon

1.2K

ohm

+5%

1/4W

eres

C1H

C

SK15

OSL-

|

Ceramic

15pF

+10%

50V

3

207,216

}

222

R214

R2E

DSJ27

2A

Carbon

2.7K

ohm

+5%

1/4W

C218,219

C1H

CSK20

1SL-

|

Ceramic

200pF

+10%

50V

2

R213

R2E

D

SJ33

2A

Carbon

3.3K

ohm

+5%

1/4W

C221

C1H

C

SK25

1SL-

|

Ceramic

250pF

+10%

50V

1

R230

R2E

D

SJ47

2A

Carbon

4.7K

ohm

+5%

1/4W

C220,228

COJ

R

B-10

6A--

Electrolytic

1OmF

6.3V

2

R208

,219,+

|

R2E

D

SJ56

2A

Carbon

5.6K

ohm

+5%

1/4W

C229

C1C

U

BM10

5A--

|

Alsicon

1mF

+20%

16V

1

227,228,

|

C201,202,

C1H

Y

SZ10

2A--

|

Ceramic

0.001mF

+80

—20%

8

231

208,209,

50V

R223

224

R2E

D

SJ68

2A

Carbon

6.8K

ohm

+5%

1/4W

210,213,

R217,229

R2E

D

SJ10

3A

Carbon

10K

ohm

=

+5%

1/4W

214,215

R226

R2E

D

SJ12

3A

Carbon

12K

ohm

+5%

1/4W

C203,206,)

|

C1H

Y

SZ10

3A--

|

Ceramic

0.01mF

+80

—20%

R212

R2EDSJ223A

Carbon

22K

ohm

=

+5%

1/4W

207,211,

50V

R203

R2E

D

SJ10

4A

Carbon

100K

ohm

+5%

1/4W

212,216,

D201

,202,7

|

202

5

9110

18820

|

Diode

1S

188FM1-A

217,223,

203,204,

224

,225,

205,206,

226,227

207,208,

R204,209,

R2E

D

SJ47

OA

Carbon

47

ohm

+5%

1/4W

209,210

Q202,20

i

PE

penOwA

ee

50,

1/4W

av

=

203

5

5100

53640

|

Transistor

2SC

536

R2E

DSJ33

1A

Carbon

330

ohm

+5%

1/4W

0201

.

R2EDSJ471A

|Carbon4700hm

+5%

1/4W

10201.202,

ae

:

ey

arg

eee

220

R2EDSJ561A

|Carbon5600hm

+5%

1/4W

203,204,

R205,210

R2E

D

SJ68

1A

Carbon

680

ohm

+5%

1/4W

205

FM

IF

PCB

ASSY

TOP

VIEW

MUTING

;

SIGNAL

METER

MULTIPATH

AGC

:

oD:

c205

15P

:

“_D202

c204

=

pe

OF

&

-

:

a

:

;

2

SP

FM

OUT

IcC201

~

205

LAI22I

Q201

2SC930

Q202

~

204

2SC536

D2o0!i

~

20

1Si88

ao)

TUNING

+12V

ETER

FM

IF

PCB

ASSY

BOTTOM

VIEW

——

ino

W4

ONILAW

Y3LIW

ONINNL

AZI+

Gees

ONILAW

8sisl

ole

~

1020

4¥313N

9ESIS2

bO2

~

2020

TWNOIS

HIVdIDINW

e)

9

Oo£69S2

v

10z0

iz21v

soz

~

10259I

NI

WJ

PARTS

LIST

Ce

[me

[ei

Yow

MPX

PCB

ASSY

131

0

4001

50600

|

MPX

PCB

Assy

4

2229

22910

|

SVR

B-1K,

Separation

4

2379

21120

|

Terminal,

Test

point

4

2659

20210

|

Multiplex

coil

19KHz

4

2659

20220

|

Multipiex

coil

38KHz

C1H

F

AK15

2A--

|

Mylar

0.0015mF

+10%

50V

Carbon

1K

ohm

+5%

1/4W

Carbon

1.2K

ohm

+5%

1/4W

Carbon

3.3K

ohm

+5%

1/4W

Carbon

3.9K

ohm

+5%

1/4W

Carbon

4.7K

ohm

+5%

1/4W

Carbon

10K

ohm

+5%

1/4W

jKeyno,

|

PartNo,

MPX

PCB

ASSY

R414,415

|

R2E

DSJ10

2A

R405

R2E

D

SJ12

2A

R411,412

|

R2E

D

SJ33

2A

R404

R2E

D

SJ39

2A

R416

R2E

D

SJ47

2A

R409

R2E

DSJ10

3A

C411

C406,407

|

C1H

F

AK153A--

|

Mylar

0.015mF

+10%

50V

R402

R2E

D

SJ33

3A

Carbon

33K

ohm

+5%

1/4W

C401,412

|

COJ

R

B-47

5A--

Electrolytic

4.7mF

6.3V

R401

At7,

R2ED

SJ104A

Carbon

100K

ohm

+5%

1/4W

CiC

R

B-47

5A--

Electrolytic

4.7mF

16V

Carbon

120K

ohm

+5%

1/4W

Transistor

2SC

536

Transistor

2SC

693

Transistor

2SK

24D

Diode

DS-442

IC

LA

3300

R2E

DSJ12

4A

203

5

5100

53640

203

5

5100

69372

203

5

8500

02440

205

5

9040

44210

206

5

0663

30010

Electrolytic

1OmF

10V

Electrolytic

10O0mF

16V

Styrol

2500pF

+10%

50V

Styrol

10000pF

+10%

50V

Carbon

100

ohm

~—=s-

55%

1/4W

Carbon

220

ohm

~—=s-

55%

1/4W

Carbon

470

ohm

=+5%

1/4W

CiA

R

B-10

6A--

C1iC

R

B-10

7A--

C1H

S

EK25

2A--

C1H

S

EK10

3A--

R2E

DSJ10

1A

R2E

DSJ22

1A

R2E

DSJ47

1A

—

ot

=)

2

=

A)

Wm

2

=

2A

AAA

—_—

=

A)

3

—

=

A)

=

A)

=

oa

=

3

22

MPX

PCB

ASSY

BOTTOM

VIEW

MUTING

OFF

+12V

OUT

LAMP

ena

aeeeseee,

|

R402

33K,

R403

120K,

6

100K

Cc40i

-°

C402

4.7/6.3

—

100/10

|

MUTING

2SC693

2SC536

ST-

MONO

Q402

2SK24

IC401

|

LA3300

D40l

DS-442

AM

PCB

ASSY

TOP

VIEW

12V

SIGNAL

METER

MAX

PCB

ASSY

TOP

VIEW

LAMP

OFF

KS

AM

OUT

R418

100K

403.

osc

v.c

ox

R312

9°2074

270

C3Q6°

0.0047

R

3.3

7K

Q30l

Q302

Q303

Q304

D30l

+12V

LAMP

ST

-

MONO

RF

v.c

2SC654

D

2SC929

E

2SC930

E

2SC536

D

,

D302

ISIBBFM

MUTING

OFF

C403

§-

ee

R4

2SC536

2SK

24

LA330Ol

DS-442

ANTENNA

COIL

NUTING

PARTS

LIST

jKeyno,

|

PartNo,

AM

PCB

ASSY

[wey

t,

|

PartNo.

|

aerpton

ty

AM

PCB

ASSY

Carbon

270

ohm

=

+10%

1/4W

131

0

4001

50500

|

AM

PCB

Assy

1

R312

R2E

DSK27

1A

1

4

2569

21200

|

AM

IF

Trans

1

R304

R2E

D

SK39

1A

Carbon

390

ohm

+10%

1/4W

1

4

2569

21300

}

AM

Detector

Trans

1

R307

,320

R2E

D

SK47

1A

Carbon

470

ohm

+10%

1/4W

2

4

2589

20740

|

AM

OSC

Coil

1

R303

R2E

DSK68

1A

Carbon

680

ohm

+10%

1/4W

1

4

2599

20290

|

AM

RF

Coil,

1

Be

R2E

DSK10

2A

Carbon

1K

ohm

+10%

1/4W

3

C308

C1H

C

SK15

OSL-

|

Ceramic

15pF

+10%

50V

1

323

C306

C1H

F

AM47

2A--

|

Mylar

0.0047mF

+20%

50V

1

R302

R2E

DSK22

2A

Carbon

2.2K

ohm

+10%

1/4W

1

C316,317

C1H

F

AM10

3A--

|

Mylar

0.01mF

+20%

50V

2

R317

R2E

D

SK27

2A

Carbon

2.7K

ohm

+10%

1/4W

1

C315,319

C1A

R

B-10

6A--

Electrolytic

10mF

10V

2

R308,311

R2E

D

SK33

2A

Carbon

3.3K

ohm

+10%

1/4W

2

C320

COJ

R

E-33

6A--

Electrolytic

33mF

6.3V

1

eee

R2E

D

SK47

2A

Carbon

4.7K

ohm

+10%

1/4W

3

C307

C1H

S

EK43

1A--

|

Styrol

430pF

+10%

50V

1

313

C313

C1H

S

EK10

2A--

|

Styrol

1000pF

+10%

50V

1

R322

R2E

D

SK56

2A

Carbon

5.6K

ohm

+10%

1/4W

1

C301,302,)

|

C1H

Y

SZ10

3A--

|

Ceramic

0.01mF

+80

—20%

4

R319

R2E

D

SK68

2A

Carbon

6.8K

ohm

+10%

1/4W

1

303,304

50V

R325

R2E

DSK10

3A

Carbon

10K

ohm

=

+10%

1/4W

1

C305,309,

4

|

C1H

Y

SZ40

3A--

|

Ceramic

0.04mF

+80

—20%

7

R305

R2E

D

SK22

3A

Carbon

22K

ohm

=

+10%

1/4W

1

310,311,

50V

R318,324

R2E

D

SK56

3A

Carbon

56K

ohm

+10%

1/4W

2

312,314,

D301,302

202

5

9110

18820

|

Diode

1S

188FM1

2

318

Q01

203

5

4500

67440

|

Transistor

2SC674D

1

R309,315,1

|

R2E

D

SK47

0A

Carbon

47

ohm

+10%

1/4W

Q04

203

5

5100

53640

|

Transistor

2SC

536

1

371

Q02

203

5

5510

92950

|

Transistor

2SC929)

1

R301

R2EDSKI0O1A

Carbon

100

ohm

+10%

1/4W

Q03

203

5

5510

93050

|

Transistor

2SC

930

1

AM

PCB

ASSY

BOTTOM

VIEW

RF

V.C

OSC

V.C

l2V

SIGNAL

METER

ANTENNA

COIL

Q30l

2SC654

D

Aaa

Q302

2SC929

E

ca

Q303

2SC93S0

E

Q304

2SC536

D

DSOl

,

D302

ISIB8FM

Sanyo FMT-450K Manuel utilisateur

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