TECHNICS SA-EH590EG, SA-EH59EP Schematic msc a4

SCHEMATIC DIAGRAM-1

OPERATION CIRCUIT

A

NOTE:
The number which noted at the connectors on the schematic diagram as "SCHEMATICDIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.

H

150

R997

D973

G

MA4030MTA

C921

1000P

R996

150

C922

FL901 (A2BB00000084)

1 6 8 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 53 542 5 7 9

C920

50V4.7

C928

50V4.7

35V33

FL DISPLAY

ABCDEFGHI JKLMNOPQRSTU

ABCDEFGHIJKLMNOPQRSTUVWXYZ

C919

C927

50V4.7

50V4.7

F

R907

R906

R905

R904

R903

3.3K

2.2K

1.8K

R909

1.8K

S905

)

FM AUTO/MONO

(

1.5K

R916

1.5K

S904

)

PLAY/ REC
(

)

E

S907

S908

INPUT SELECTOR

(

R912

R911

4.7K

3.3K

)

)
SET

(

)

R910

2.2K

S906

)

TUNING MODE

(

)

D

S913

(DIGITAL

S.WOOFER

S912

(TUNER/ BAND)

S911

S910

TUNING,

(

(TUNING,

1.2K

R915

1.2K

S903

)

DEMO

-

(

R9021KR901

R9141KR913

820

)

S902

CLOCK/ TIMER

(

820

)
PTY

S915

(

(RDS DISP MODE)

S901

S914

)
/

(

)
PS

(

R922

R921

10K

10K

R925

1K

R924

1K

C908

C907

470P

470P

R944

X

2.2K

W

C

JK903
PHONES

3.5mm STEREO

B

A

W905

C923

D974

MA165TA

S

C395

0.047

T

0.1

C396

0.047

C904

0.01

C924

0.1

V

2
3
6
4
5
7
1

-

30.1V

: POSITIVE VOLTAGE LINE : NEGATIVEVOLTAGELINE

A
B
C

ABCDEFGHI JKLMNOPQRST UVWX

:AUDIO SIGNAL LINE

C919

C927

50V4.7

50V4.7

5.1V

Q901

23.4V-20.5V-26.3V-26.3V

-

P12

-

30.1V

-

VP

51

-

R990

100K

D306

29.3V

-

29.3V

-

29.3V

-

26.3V

-

20.5V

-

29.3V

-

29.3V

-

29.3V

-

23.5V

-

20.5V

-

23.4V

-

23.4V

-

23.7V

-

20.7V

-

29.6V

-

29.6V

-

29.6V

-

23.7V

-

26.6V

-

26.5V

5.1V

-

29.5V

-

29.5V

-

26.5V

-

17.2V

-

5.3V

-

10.3V

0.4V
0V

1.5K

R939

( )

SELS5223C

P13

52

P14

53

P15

54

P16

55

P17

56

P18

57

P19

58

P20

59

P21

60

P22

61

P23

62

P24

63

P25

64

P26

65

P27

66

P28

67

P29

68

P30

69

P31

70

P32

71

V

DD4

72

P33

73

P34

74

P35

75

P36

76

P37

77

P38

78

REGIN0

79

REGIN1

80

STAND-BY

81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99

0V

1.5K

R986

)

D954

D951

PLAY/ REC

SELS5923C

LNJ301MPUJAD

(

5.1V

A
B
C
D
E
F
G
H

I

J
K
L
M
N
O
P
Q
R
S
T

U
V

W

X
Y
Z

D933

MA165TA

100K

R993

C916

6.3V100

P9

P11

P10

FM / AM

T 5.5ms.

F=32.7kHz

2V/2ms.DIV.

TIMER

S.W.LED

LOUNGE

0V0V0V

220

R995

)

R994 100K

S.WOOFER

(DIGITAL

R999

23.4V-20.5V-26.2V

5.1V

-

P8P7P6P5P4P3P2

DD3

V

IC901
C2BBFD000317

SYSTEM CONTROL/
FL DRIVE

4V
0V

-

30V

FM / AM

2V
P-P

T

10ms.

CHORUS

MUTENCPOWER

0V

0V

4.8V

100K

R960 1.5K

R958 1K

R959 47

26.2V-26.2V-26.1V-26.3V-23.5V-23.5V

29.2V

-

-

FM / AM

F=6MHz

FM / AM

F=32.7kHz

F=32.7kHz

5V

0V

5V

0V

DD2

MUTE2NCMUTE3

Vss2

V

5.1V

5.1V

C905

1000P

2.7K

R969

25.5V

23.5V

-

-

P1

1G2G3G4G5G6G7G

FM / AM

3.3V
P-P

1.4V

FM / AM

F=6MHz

SHCS

1.9V

R936

SHDO

1.9V

R935 100

100

5.2V
P-P

SHDI

-

SHCK

3.3V

R934 100

T 5.5ms.

5.2V
P-P

FM / AM

2V/2ms.DIV.

25.6V

27.5V-27.5V

-

­3132333435363738394041424344454647484950

4V

REMOCON

0V

30V

RDS DATA

RDS CLK

HP SW

4.2V

MIC DET

P-P

VR JOGA
VR JOGB
NC(GND)

SH REQ

KEY KARAOKE

KEY TU

XC OUT

X OUT

RESET

SEL/ TUNER

SEL TUNER

5V

ST/ AV.6CH

0V

LC72 CK

LC72 DI/ ST

LC72 CE
LC72 DO

CHECK

E DET

CR TIMER

SD

100

0V

5.1V

R988 1K

R987 1K

R937 10K

DD1

V

XC IN

Vss

XIN

AC IN

C901

8G

6.3V100

30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

R926

2.2K

R919

15K

R991

47K

-

25.6V

5.1V

2.6V

2.6V

0.6V

5.1V
0V
0V

1.4V

5.1V

5.1V

5.1V

2.3V

2.3V

2.7V

1.6V
5V

2.2V
0V

5.1V

4.6V
0V
0V

2.5V

R976

100K

R918 10K

C903

R953 100

D905 1SS291TA

R928 47K

L902 1 H

0.01

R954
100K

R949

R950

0.1

C912

C911

C926

D902

1SS291TA

4.7K

100

18P

1000P

5V

A
B
C

D
E

R952
10M

X902

(32.7kHz)

UN4212TA

RESET

R956

1K

R930 1K
R932 1K
R931 1K

X901

(6MHz)

1

3

330K

R951

20P

C910

0V

C925

1000P

0.01

C915

R929

1K

D901

1SS291TA

C914

D904

2

50V2.2

MA165TA

R957

1K

L901

10 H

C902

10V1000

U
J

H

A
B
D
C

EFIKLNO Q

SA-EH590(EG,EP) OPERATIONCIRCUIT DIAGRAM

121110987654321

SCHEMATIC DIAGRAM-2

OPERATION CIRCUIT

A

5.1V
EVQVBXFK124B

(VOLUME)

COM

C151

16V10

C158

6.3V47

560P

C154

47P

C157

VR901

BA

1 2 3

IC151
C1BB00000527

RDS SIGNAL
DEMODULATOR

2.5V
1

2.5V
2

5.1V
3

4

2.5V
5

2.5V
6

7

8 9

22K

R962

100

R945

DEA

VREF

HPX IN

V

DDA

VssA

FL OUT

CIN

TEST

X OUT

X151

(4.332MHz)

C152
330P

: POSITIVE VOLTAGE LINE
: NEGATIVEVOLTAGELINE

0.01

C917

C918

22K

R961

R943

RDCL

RDDA

MODE

V

100

IDR

RST

DDD

VssD

XIN

C909

16

2.6V

15

2.6V

14

0V

13

1K

R157

12

5.1V

11

10

2.5V2.7V

47P

C156

6.3V100

1000P

R151

R153

C155

R946

1K

1K

100K

1000P

1K

R152

100K

R154

C153

1000P

L151

100 H

R158

1K

BC

: AUDIO SIGNAL LINE
: TUNER SIGNAL LINE

Z901
B3RAD0000028

(REMOTE SENSOR)

3

2

1

C159

C160

6.3V47

1000P

L152

TUNER Lch

TUNER Rch

To
SOUND
PROCESSOR
(SH-EH590)

ABC

W902B

15
14

-30.1V
W901B

13
12
11
10

9
8
7
6
5
4
3
2
1

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

Z120
RAN0005EM-2

(TUNER PACK)

T.GND

+B(1)

SD

+B(2)

DET

Rch

CE

Lch

DI

DO

CL

A
B
C
D
E
F

H

I
J
K
L

D906

MA165TA

D907

MA165TA
U
N
O

Q

S

T

100 H

6V

L153

1 H

120

R155

D151

MA4051MTA

13 14 15 16 17 18 19 20 21 22 23 24

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

To
SOUND
PROCESSOR
(SH-EH590)

Z120
RAN0005EM-2

(TUNER PACK)

T.GND

+B(1)

+B(2)

DET

Rch

Lch

DO

SD

CE

CL

TUNER Lch

TUNER Rch

A.GND

Lch IN
Rch IN

+B(10V)

SUR L

SUR R

-B(-

10V)
V.GND
D.GND

CS/ REQ

DATA

CT GND

SH FL1
SH FL2

SYNC

1
2
3
4
5
6
7
8
9

DI

10
11

S.W
MIC

CLK

MAIN CIRCUIT

B

W501
1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

1
2
3
4
5
6
7
8
9

10
11

R51147R509

R512 47R510 47

W902A

W901A

6V

7.2V

CP101

47

10.4V

R230

1K

R229 1K

7.6V

-

10.4V

A
B

A

B

B
E
F
G

C
D
E
F
G

J

K

L
M

I

A

B

G

B
F
A
E
D
C

C735

R597

2.2K

R598

2.2K

Q707
2SB1417PQTA

REGULATOR

-

30.1V

C708

0.047

-

30.7V

C706

35V10

Q723
2SC3940AQSTA

REGULATOR

14.7V7.2V

7.8V

0.047

C740

C733

16V10

R564

-

37.3V

0.047

2.7K

C707

R764

330

0.047

D737

MA4082LTA

R563

2.7K

R708

D721

R763

4.7K

4.7K

MA4300MTA

C655

16V10

R605

C737

4.7K

50V100

R687

1.5K

C656

16V10

R601

3.3K

R688

1.5K

4.7K

R606

C602

16V10

B

A

Q606
2SD2144STA

MUTING

1K

R684

Q609,610
2SD2144STA

MUTING

A

0.01

C509

B

0.01

C510

D705

RL1N4003N02

D718

RL1N4003N02

D717

RL1N4003N02

C731

1000P

D720

RL1N4003N02

D719

RL1N4003N02

-

0V

0V

10V

Q609

Q610

C741

A

R602

3.3K

R695

470

0V

47K

R696

R693

1K

-

10V

R692

1K

-

10V

C714

1000P

0.1

B

D611

MA4051MTA

4.9V

Q612
UN411FTA

MUTING CONT.

R694

22K

H
A

D

C

C664

C725

5.1V

-

16V10

16V47

10.2V

C715

25V4700

14.7V

SA-EH590(EG,EP) OPERATION,MAIN CIRCUIT DIAGRAM

SCHEMATIC DIAGRAM-3

MAIN CIRCUIT

B

MA700ATA

IC601
RSN309W44B

POWER AMP

D756

D757

MA700ATA

: POSITIVE VOLTAGE LINE : NEGATIVEVOLTAGELINE :AUDIOSIGNAL LINE

7.6V

-

10.4V

47.2V

-47.2V

0V0V0V0V

29.7V

-

0.2V

29.4V

-

0V0V0V

-

29.3V

123456789101112131415181920212223242526 1617

-

59.5V

0V28.9V

0V0V59.5V

C648

1000P

B

A

C603 470P

L
K

M

G

0.01

C705

C604 470P

2.1V

AB C

3.3K

R603

4.7K

R617

Q708
UN4211TA

SWITCHING
(POWER)

C607 470P

3.3K

R604

4.7K

R618

0V 0V

10K

R776

C608 470P

C649 1000P

R674

53.6K

R675

56.2K

0.01

C617

R738

3.9K

Q709
2SD2144STA

SWITCHING
(POWER)

0.7V

C650 1000P

R608

56K

C614 47P

R607 56K
C613 47P
R610 150K
C612 15P
R609 150K
C611 15P

0.01

C618

Q672
2SD1859QRTV2

STABILIZER

47.7V

0.6V

-47.2V

Q673
2SB1417PQTA

REGULATOR

R739

47K

MA4140MTA

R627

15K

C673

100V1

59.5V47.2V

47.7V

-59.5V

R572

R672

R673

D672

D671

R671

2.7K

330

Q671
2SD1859QRTV2

REGULATOR

-47.7V

D671,672

N

470K

C616

50V0.47

R624
150K

R623 120K

R622 120K

R621 150K

R628 22K
C622 10V100

0V

Q601 Q602

Q601,602
2SC5398RSTA

PROTECTOR

10K

MA4180LTA

0.1

C671

0.1

D558

MA165TA

R647

2.2

R648

2.2

R544

2.7K

C672

D673

5.1V5.1V

0V

D754

RL1N4003N02

D755

RL1N4003N02

1SS291TA

0V

0V

Q503
2SC5398RSTA

SWITCHING

D753

RL1N4003N02

D761

RL1N4003N02

C704

C702

C703

C701

D704

1N5402BM21

35V3300

35V4700

R637

1N5402BM21

35V3300

35V4700

D702

D602

SB360L6508

D607

15K

C619

D703

D751

1N5402BM21

D752

1N5402BM21

1N5402BM21

0.1

R635

2.2K

R638

C709

D701

C761

D601

SB360L6508

68K

0.1

1N5402BM21

0.1

D658

MA165TA

D657

D659

G

F

E

D

MA165TA

MA165TA

C639

1000P

C640

1000P

C641

1000P

C642

1000P

C732

0.022

C647

1000P

14.7V

25 26 27 28 29 30 31 32 33 34 35 36

L601

R639

10

0.1

0.1

10

R722

R641

C621

C631

2.2

L605

CP602

W722A

W721A

10

1
2
3
4
5
6
7
8

1
2
3
4

1
2
3
4
5
6
7
8
9

JK601

JK602

R649

10

C635

0.047

10

10

R651

C637

0.047

0.1

0.1

C627

0.1

0.1

C629

C636

R642

C620

C630

4.7

0.047

10

C632

0.047

0.1

0.1

IJ

A

L602

R640

10

A
B

C

R721

Q555
2SD2144STA

R570

SIGNAL LEVEL DET.

2.2M

C552

R559

0.01

4.7K

-

-

10.4V

0.3V

Q551
2SA1995RSTA

10K

R557

SIGNAL LEVEL DET.

100K

R556

C551

50V2.2

R719

3.3K

D551

R551

C724

MA165TA

68K

0.047

68K

3.9K

R552

R553

Q710
2SC3940AQSTA

R797

REGULATOR

0

7.6V

8.1V

C721

R554

10V100

3.9K

30.1V

123456789101112131415181920212223242526 1617

0V0V59.5V

D658

MA165TA

D657

MA165TA

10.4V

C723

R591

4.7K

R555

0.047

1.5K

R729

220

7.6V

-

C553

50V0.47

D725

10.4V

MA4082LTA

R769

0

R727

3.9K

R558

1K

D552

MA165TA

R561
100K

R548

1K

A

B

C

D

R767

C554

4.7

16V220

Q554
2SA1995RSTA

SIGNAL LEVEL DET.

D555

MA4100MTA

0.01

C550

B

7.6V

7V

0V

D

L606

R650

A

C

10

R652

C626

C628

D
E
F
G

C

D
H
F
E
B

HF(6 )

LF(8

HF(6 )

LF(8

SPEAKERS

Lch

)

Rch

)

C639

1000P

C640

1000P

C641

1000P

C642

1000P

C732

0.022

C647

1000P

E601

E602

D738

CN781

1

1

W701B

R749

1K

Q711
2SB1548PQAU

REGULATOR

R768

100

MA165TA

D730

MA4091HTA

C734

50V3.3

D758

MA165TA

10.4V

D739

10.2V

14.1V

13.6V

MA165TA

9.6V

Q725
2SC5398RSTA

STABILIZER

220

R765

1032 4 5 6 7 8 9

POWER SUPPLY CIRCUIT

C

1032 4 5 6 7 8 9

29.2V

Q702
2SB1548PQAU

REGULATOR

-

30.1V

-

10.4V

R720

3.9K

-

11V

C722

25V100

-

0.6V

Q705
2SA1995RSTA

STABILIZER

C720

0.047

-

11V

3.9K

R724

C718

25V100

C710

0.047

Q701
2SD2374PQAU

REGULATOR

29.2V14.7V

C719

C717

0.047

16V33

15.2V

R725

10

D723

5.6K

R723

MA4150HTA

SA-EH590(EG,EP) MAIN, POWER SUPPLYCIRCUIT DIAGRAM

SCHEMATIC DIAGRAM-4

: POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE

AC IN CIRCUIT

D

CN602

1

R712 2.2K

2
3
4
5
6
7
8

C755

16V1000

Q726
2SC3940AQSTA

REGULATOR

0.01

C754

6.7V

C759

D711

RL1N4003N02

10V47

R773

18

10.7V6V

C758

D747

0.01

MA4068LTA

R774

18

D741

RL1N4003N02

D746

RL1N4003N02

R777

1K

D745

MA4051MTA

D743

RL1N4003N02

C753

0.01

D740

R771

MA165TA

2.2K

22K

R772

Q791
2SD2144STA

RELAYDRIVE

0V

0.7V

T702

R795

R794

F1 T2A

3.9K

47K

L701

JK701

AC IN

(230V 50Hz)

POWER TRANSFORMER(A) CIRCUIT

E

W722B

10

1
2
3
4

1
2
3
4
5
6
7
8
9

W721B

A
B
C
D

FP791

K5G402AA0002

FP792

K5G402AA0002

R798

2.2

R793

A

B

C

D

D742

D744

RL1N4003N02

RL1N4003N02

D500

MA165TA

6V

AC9.4V

RL702

3 1

24

C791

1000P

Z701

W3

W1

POWER

F

TRANSFORMER(B)

1

CN701

CN702

CN703

CN704

CN705

CN706

CN707

CN708

CN709
CN710

AC

29.2V

AC22.6V

AC22.6V

AC11.7V

AC11.7V

AC4.7V

T701

CIRCUIT

CN711 W1

CN712

CN713

W3

W2

SA-EH590(EG,EP) AC IN, POWER TRANSFORMER(A),(B) CIRCUIT DIAGRAM

37 38 39 40 41 42 43 44 45 46 47 48

AC IN

(230V 50Hz)

H

G

F

E

D

C

B

A