Sanyo Dca 200um User manual

SANYO

STEREO

AMPLIFIER

DCA

200UM

SERVICE

MANUAL

SPECIFICATIONS

POWER

AMPLIFIER

SECTION

Continuous

Power

Output:

Amplifier

load

at

4

ohms

20W/20W

at8

ohms

18W/18W

(1

KHz,

each

channel

driven)

Amplifier

load

at

4

ohms

16W/16W

at8

ohms

15W/15W

(1

KHz,

both

channel

driven)

Power

Output

in

the

range

of

20

to

20

KHz:

Amplifier

load

at

4

ohms

13W/13W

at8

ohms)

13W/13W

(Both

channel

driven)

Total

Harmonic

Distortion:

Less

than

0.8%

at

Rated

Output

(Amplifier

load

at

8

ohms)

Less

than

0.1%

at

1W/ch.

Inter

Modulation

Distortion:

Less

than

0.8%

at

Rated

Output

(Amplifier

load

at

8

ohms)

Less

than

0.1%

at

1

W/ch.

Power

Bandwidth

(IHF):

20

to

70

KHz

(Both

channel

driven)

Frequency

Response:

Input

Sensitivity/Impedance:

Speaker

Impedance:

Damping

Factor:

Signal

to

Noise

Ratio:

25

to

80

KHz

+3

dB

Accepts

4

ohms

to

16

ohms

More

than

30

(1

KHz,

8

ohms)

More

than

110

dB

(IHF,

short

circuit

A

network)

0.3mV

(at

8

ohms)

Less

than

0.8

mV

(8

ohms,

pre

&

power

amplifier)

Residual

Hum

and

Noise:

PRE

AMPLIFIER

SECTION

input

Sensitivity/Impedance:

ADJUSTMENT

OF

MAIN

AMP

P.C.

BOARD

BEFORE

ADJUSTMENT

1.

Pull

out

the

PRE

OUT/MAIN

!N

connector.

2.

After

the

power

switch

is

turned

ON,

wait

a

few

minutes

before

adjustment,

to

be

sure

of

the

most

stable

operation.

3.

Connect

dummy

foad

resistors

(892)

to

the

speaker

terminals.

4.

Tool

to

be

provided.

Electronic

Voltmeter,

or

DC

V.T.V.M.

or

Circuit

Tester

(Input

impedance:

More

than

50

K2/V)

(A)

MID-POINT

POTENTIAL

ADJUSTMENT

Set

the

voltage

between

the

speaker

terminal

and

ground

(Chassis)

to

OV

+0.01V

with

VR

01

(VR

02)

{(B)

IDLING

CURRENT

ADJUSTMENT

Turn

the

VR

03

(VR

04)

so

that

the

idling

current

may

become

35mA

...

Measure

the

voltage

of

the

both

sides

of

the

R91

(R92)

resistor

(0.47Q)

and

set

the

VR

03

(VR

04)

so

that

the

value

may

become

0.018V

+0.001V.

Note:

Polarity

...

Emitter

of

the

Q23

(Q24)

.....

(+)

Wid

-COlNE

eieibeccivaieseuiad

(—)

(C)

Repeat

seps

A

B

no

further

improvement

is

possible.

Note:

a.

Turn

the

semi-fixed

variable

resistor

slowly

during

adjustment;

b.

Be

careful

of

the

polarity

of

each

measurement

point.

(1

KHz,

at

rated

power)

PHONO

2.5mV/S0K

ohms

TUNER

150mV/50K

ohms

AUX

150mV/50K

ohms

TAPE,

1,2

150mV/50K

ohms

MIC

:

2.5mV/50K

ohms

Phono

Overload

Input:

Mic

Overload

Input:

Signal

to

Noise

Ratio:

Output

Level/impedance:

Frequency

Response:

PHONO

TUNER/TAPE/AUX

MIC

Tone

Controls:

Bass

Treble

Filter

Control:

High

Filter:

Low

Filter:

Loundness

Control:

(Power

output

level

at

—30dB)

ALL

OVER

THE

SECTION

Power

Requirements:

UM

Version

(Switchable)

Power

Consumption:

AC

Outlet:

Dimensions:

RMS

180mV

Max.

Peak

to

Peak

420mV

Max.

RMS

150mV

Max.

PHONO

More

than

70

dB

(IHF,

A

network)

TUNER

More

than

90

dB

(tHE,

A

network)

AUX

:

More

than

90

dB

(IHF,

A

network)

TAPE

More

than

90

dB

(tHE,

A

network)

MIC

More

than

70

dB

((HF,

A

network)

TAPE

REC

140mV/1

K

ohms

(RCA

jacks)

TAPE

REC

35mV/80K

ohms

(DIN)

RIAA

Standard

Equalization

30

to

15K

Hz

+0.5

dB

25

to

80K

Hz

+0,

—1

dB

70

to

14K

Hz

+0,

—1

dB

+10

dB

at

100

Hz

+10

dB

at

10K

Hz

5K

Hz

(—6

dB/oct)

70

Hz

(—6

dB/oct)

+8

dB

at

100

Hz

+3

dB

at

10K

Hz

110V,

120V,

220V

or

240V,

50/60Hz

47

watts

at

full

power

Two

Switched

(150

watts

max.)

One

Unswitched

(200

watts

max.}

Width

405

mm

Deptch

365

mm

Height

185

mm

EXPLODED

VIEW

PARTS

LIST

PACKING

;

131

6

1139

55309

131

62119

01550

131

6

3009

19950

131

6

3009

19960

131

6

3009

20730

131

6

3069

16150

131

6

4559

10700

Box

Corrugate

Exp.

Bag

Polyethylene

Exp.

Pad,

Side

Pad,

Top

Pad,

Rear

Patching

Sheet

Manufacturing

No.

Wa

A}

wo

=

ACCESSORY

13162719

10600

Bag

Fan

1

13164119

41704

|

Explanatory

Booklet

1

CABINET

13121105

15402

131

2

1410

13301

131

2

1801

12900

131

25205

15400

131

27103

19800

131

2

7103

19900

APPEARANCE

131

0

1001

31301

131

0

1001

31402

131

01001

31501

13101016

19901

131

2

1203

31601

131

2

1504

10902

131

26113

19000

131

26113

19100

131

26113

19200

131

2

1601

34800

131

2

1601

34900

Plate,

Bottom

Cover

Leg

Cushion

Label

Caution

Label

Knob

Assy,

Main

VR

Knob

Assy,

Function,

Balance,

Bass,

Treble

Knob

Assy,

Mic

VR

Panel

Decorate

Assy

Pane!

Control

Plate

Sign

Lamp

Shelter

Knob,

Power

SW

Knob,

Push

SW

ff

=

CO

nad

wed

A}

aed

ot

od

=

131

2

3101

29900

131

2

3101

30000

131

2

3101

36100

131

2

3305

18400

131

2

3306

19306

131

2

3308

11900

131

2

3308

12100

131

23617

14700

131

2

4208

20400

131

25205

15300

131

2

5206

12500

131

26107

11600

131

26111

12500

131

26111

14300

131

2

7103

20900

131

2

7103

20902

131

2

7104

00600

4

2229

24650

4

2319

22520

4

2319

23950

4

2319

24040

4

2319

24500

4

2319

34090

4

2349

20250

4

2349

20410

4

2349

21200

4

2359

20190

4

2359

21021

4

2359

21670

4

2359

22010

4

2359

22022

4

2359

22031

4

2379

21060

4

2379

21260

4

2379

21470

4

2439

20521

46129

20219

4

2519

23700

131

2

3608

11300

ELECTRICAL

PARTS

CHASSIS

Metal

Mount,

Jack

Metal

Mount,

PCB

Metal

Mount

(Voltage

Select)

Panel,

Front

Panel,

Rear

Chassis,

Sub,

Side

Chassis,

Sub,

Center

Metal

Mount,

Trans

Spacer,

Jack

Cushion,

Panei

Rear

Moldplane,

Volume

Piate

Sever,

Mixing

SW

Bushing

Label

(Fuse

315mA)

Label

(Fuse

2.0A)

Plate

Pad,

Switch

VR

B-20K

6P

Slide

Switch

Rotary

:

Switch

Rotary’

SE

PaneaG

Switch

Rotary

4P,

Voltage

Select

Switch,

Push

AC

Power

Fuse

2A,

Main

Power

Fuse

0.315A

Fuse

2A,

Protector

Socket

5P

DIN

Fuse

Holder

Jack,

Mic

Socket,

Phono

4P,

Tape

Socket,

Phono

6P,

Phono

Fuse

Holder,

Protection

Terminal

G

Grand.

Terminal

Lug

5P

Terminal

8P

Power

Cord

Small

Lamp

!ndicator

Power

Trans

Cramp

Wire

NOTES:

1.

Part

orders

must

contain

Model

Number,

Part

Number

and

Description.

2.

Ordering

quantity

of

screws

and/or

resisotrs

must

be

multiple

of

10

pcs.

Aa

NN

os

Bae

AN

eh

A

ae

aN

Om

womens

of)

NMPMN

A

Ae

-—_

PARTS

LIST

A

ee

AF

PCBASSY

13104001

628000

AF

PC

ASSY

42229242100

VR

IKB

CENTER

VOLTAGE

ADJ,

42229242200

VR

500B

IDLING

ADJ,

42229246600

VR

MN-250K

BALANGE,

42229246700

VR

B-250K

2

VOLUME,

42229246800

VR

B-50K

2

TONE,

C1ARB-106A--

ELECT

10MF

10V

-

C

45,C

46,

C1ARB-107A--

ELECT

100MF_

10V

-

C

41,C

12,C

33,C

34,

C

51,C

52,C

63,

C1CRB-107A--

ELECT

100MF

_‘16V

-

Cc

58,

CICUBMI04A--

TANTAL

G.IMF

35V™M

C

17,C

18,

C1ERB-107A--

ELECT

100MF~

25V

-

Cc

49,C

50,

C1ERB-337A--

ELECT

330MF-

25V

-

CG

41,C

.A2.C

43,C

44,

Cc

64,C

70,

CIERB-474A--

ELECT

0.47MF

25V

-

C

35,C

36,

CIERT-228A--

ELECT

2200MF

25V

-

C

68,C

69,

CIEUBMIOSA--

|

ALSIC

IMF

25V

M

€.01,C

02,C.13,c

14,

Cc

57,

CIEUBM224A--

ALSIC

0.22MF

25V

M

Cc

62,

1

CIEUBM475A--

|

TANTAL

4.7MF

25V

M

Cc

19,C

20,

2

C1HCSK150SL-

CERA

15PF

50V

K

C

47,C

48,

2

CiHCSK

151SL-

CERA

150PF

50V

K

C

53,C

54,

2

CIHCSK251SL-

CERA

250PF

50V

K

Cc

56,

1

C1HCSK

350SL-

CERA

35PF

50V

K C

09,C

10,C

71,C

72,

4

C1iHCSKS500SL-

CERA

50PF

50V

K

Cc

61

1

CIHF

AKI23A--

MYLAR

0.012MF

50V

K

Cc

05,C

06, 2

CIHF

AK332A—

MYLAR

0.0033MF

50V

K

|

C

21,C

22,

2

CiHF

AM104A--

ELECT

4/7MF

25V

™M

C:73,G

74;

2

CIHFAMI54A--

|

MYLAR

0O.15MF

50V

M

Cc

39,C

40,

2

CIHFAM402A--

|

MYLAR

0.004MF

50V

M

|

C

07,C

08,C

60,

3

CIHFAM473A—

|

MYLAR

0.047MF

50V

M

|!

C

25,C

26,

2

CIHFAM683A--

|

MYLAR

0.068MF

50V

M

|

C

23,C

24,

2

C1HRB-105A—

ELECT

1MF

50V

-

C

27,C

28,C

29,C

30,

6

C

31,C

32,

CIHRB~-227A--

ELECT

220MF

50V

-

Cc

67,

1

CIHRB-476A--

ELECT

47MF

50V

-

C

66,

1

C1iHYSK501R--

CERA

500PF

50V

K

C

03,C

04,

2

C1HYSK821R--

CERA

820PF

50V

K

C

37,C

38,C

59,

3

CIVRB-107A--

ELECT

100MF

35V

-

Cc

55

1

CiVRB-227A—

ELECT

220MF

35V

-

C

65,

1

C1IVTBMI06A--

TANTAL

10MF

35VM

C

15,C

16,

2

R2EDSK102A

CARBO

IK

L/Aw

K

R11,R

12,R

49,R

50,

7

R

63,R

64,R110,

R2EDSK103A

CARBO

10K

L/AW

K

R

39,R

40,R

61,R

62,

R2EDSK104A

CARBO

100K

t/4W

K R

03,R

04,R 23,R

24,

R

59,R

60,

R2EDSK105A

CARBO

1M

Law

K

R

15,R

16,R

95,R

96,

R2EDSK

122A

CARBO

1.2K

1/4W

K

R

81,R

82,

NOTES:

1.

Part

orders

must

contain

Model

Number,

Part

Number

and

Description.

2.

Ordering

quantity

of

screws

and/or

resisotrs

must

be

multiple

of

10

pcs.

AF

P.C.B.

ASS’'Y

BOTTOM

VIEW

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a

PARTS

LIST

Part

No.

AF

PCB

ASSY

R2EDSK

123A

R2EDSK

182A

R2EDSK183A4

R2EDSK222A

R2EDSK224A

R2EDSK271A

R2EDSK272A

R2Z2EDSK273A

R2EDSK274A

R2EDSK331A

R2EDSK

333A

R2ZEDSK391A

R2ZEDSK

392A

R2EDSK

394A

R2EDSK470A

R2E

DSK472A

R2EDSK

473A

R2ZEDSKS61A

R2EDSK562A

R2EDSKS63A

R2EDSK680A

R2EDSK681A

R2EDSK683A

R2EDSK821A

R2EDSK822A

R2HZSKR47A

R3AXPKI152A

R3AXPK271A

TJJ-2SA763--5-

T4IJ-2S5A763--6-

TMM-2SC1312-F-

TMM-2SC1312-G-

10231103006000

10232203006000

13126168112010

13126201211000

20252300019101

20252320131101

20252320132101

2035510069

3792

20355110536400

20355110536500

203551

10536600

20356460514402

20356460514500

20356460514600

20356701175500

20356701

175600

20356800559500

20356800659600

20358220330402

20358220330500

20358220330600

205590204301

10

CARBO

12K

CARBO

1.8K

CARBO

18K

CARBO

2.2K

CARBO

220K

CARBO

270

CARBO

2.7K

|

CARBO

27K

|

CARBO

270K

CARBO

330

|

CARBO

33K

|

CARBO

390

CARBO

3.9K

|

CARBO

390K

|

CARBO

47

“CARBO

47K

|

CARBO

47K

|

CARBO

560

|

CARBO

5.6K

|

CARBO

56K

|

CARBO

68

CARBO

680

CARBO

68K

CARBO

820

CARBO

8.2K

FUSE

0.47

OMF

1.5K

|

OME

270

TRANSISTOR

SC

REW,PAN

25C536

D-FP

25C536E-FP

25C536F-FP

2SB

514D2

|

2SB

514E

2SB

514F

|

2SC

1175E

2SC

1175F

2SA

659E

|

25

A

659F

2SD

330D2

2SD

330E

2SD

330F

DS

430

Description

1/4w

K

1/AW

K

1/4W

K

1/AW

K

1/4W

K

1/4W

K

1/AW

K

1/AW

K

1/4AW

K

1/4AW

K

1/AW

K

1/4W

K

1/AW

K

L/AW

K

1/AW

K

1/AW

K

1/4W

K

1/AW

K

1/AW

K

LAW

K

1/4W

K

1/AW

K

1/AW

K

1/4AW

K

1/AW

K

1//2W

K

iw

K

iw

K

2SA763

TRANSISTOR

\

2S

A763

TRANSISTOR

2SC1312

\

25C1312

“

HD

TPG

2

|

SCREW,BUTTON

HD

TPG

COVER

SEVER

PLATE

HEAT

SINK

|

DS

19

DIODE

DS

131

DIODE

DS

132

DIODE

2SC

693

GL

TRANSISTOR

jor

TRANSISTOR!

TRANSISTOR

\

TRANSISTOR

|or

TRANSISTOR?

TRANSISTOR:

ie

TRANSISTOR.

TRANSISTOR

\

TRANSISTOR

|

TRANSISTOR

\

TRANSISTOR

jor

TRANSISTOR

|

DIODE

Location

R104,

R

69,R

70,

R

17,R

18,

R

67,R

68,R102,

R

43,R

44,R101,

R107,

R

47,R

48,R

51,R

R105,

07,R

08,R

27,R

29,R

30,

21,R

22,R

87,R

89,R

90,

13,R

14,R

45,R

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Sanyo DCA 200UM User manual

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