Technics SAEH-760 Service manual

A

5 67 8 9 ;:3 41 2

œ

PLAY

/œ

REC

H

MODE

H/I

PHONES

CLOCK/TIMER

INPUT SELECTOR TUNER/BAND

FM AUTO/

6CH

MONO

DISCRETE INPUT

DEMO

TUNING MODE SET KARAOKE ECHO

?

TUNING

@

< = > ? @

Tuner amplifier

A

1 Standby/on switch (Í/I)

Press to switch the unit from on to standby mode or vice versa. In
standby mode, the unit is still consuming a small amount of
power.

S.WOOFER

UP

DIGITAL

VOLUME

2 Standby indicator (Í)

When the unit is connected to the AC mains supply, this indicator
lights up in standby mode and goes out when the unit is turned on.

3 Play timer/record timer button and indicator

DOWN

(FPLAY/FREC)

4 ECO mode button (MODE)
5 Clock/timer, demo button

(CLOCK/TIMER, –DEMO)

6 FM mode button (FM AUTO/MONO)
7

6ch discrete input button (6CH DISCRETE INPUT)

8 Source input button (INPUT SELECTOR)
9 Tuner/band button (TUNER/BAND)
:

Digital super woofer button and indicator
(DIGITAL S.WOOFER)

; Volume control (VOLUME)
< Headphone jack (PHONES)
= Tuning mode button (TUNING MODE)
> Set button (SET)
? Tuning buttons (X, W TUNING)
@

RDS display mode buttons
(RDS, PS–DISP MODE–PTY)

B

l

1

m

]

n

o

p

_

q

s

t

;

r

H

SLEEP

123

456

7890

3D AI EQ/M.EQ BAND

EQ

CH SELECT

PRO LOGIC DIGITAL

U

TEST

VCR/AUX/
6CH INPUT

TAPE/

DECK 1/2

⁄/g¤ ¤»

MUTING

MN

∂ VOLUME µ

PROGRAM

SUPER

SURROUND

CD

CANCEL

DISC

j/-/--

AV EFFECT

S.WOOFER

TUNER/

BAND

:

|

u

v

w

x

y

`

z

9

{
}

B

Remote controls

Buttons 1, 9–;, ], _ and ` function in the same way as the
controls on the main unit.

l Sleep timer button (SLEEP)
m Numbered buttons (1–9, 0, M)
n Cursor buttons (2, 1, 3, 4)
o

Channel select button (CH SELECT)

p

Test button (TEST)

q

Input select button (VCR/AUX/6CH INPUT)

r TAPE select, deck 1/deck 2 select button

(TAPE/DECK 1/2)

s CD pause/Tape reverse playback button

(2/;)

t Muting button (MUTING)
u Program button (PROGRAM)
v Cancel button (CANCEL)
w

Disc button (DISC)

x EQ button (EQ)
y AV effect button (AV EFFECT)
z CD button (CD)
{ CD play/tape forward playback button

(1)

| CD/tape stop button (∫)
} CD skip/search, tape fast forward/rewind buttons

(4, 5)

Z120 TUNER UNIT (RAN0005EM)

FM ANT

+B(FM)

AM ANT

RF AMP

FM

MIXER

FM OSC

+B(FM)

+B(FM)

24

1

AM
OSC
OUT

FM IF
IN

BUFFER

BUFEER

Vcc

9

+B2

IFT

AMP

3

REG

ALC

LEVEL

FM IF

DET

AM

OSC

FM IF

AMP

CURVE

FM

DET

FMDET

AFC

S-

AM
OSC
COIL

+B2

FM / AM I F AMP,

DET / AM OSC,

MIX / FM MPX

Rch

+B(FM)

AM

ANT

COIL

(LA1833MN)

Rch

PILOT

PILOT

DET

DET

SD

FM:ON

19202122 23

18

17

AM

IN

OSC

AM RF

AM

AM

RF

MIX

AMP

AM

IF

AM/FM

IF

BUFFER

TUNING

DRIVE

AM

MIX

OUT

2

AGC

AGC

COMP

AM IF

IN

4

AM

AM

DET

SD

68 1110

OUT

DET

STRQ

OUT

GND

5

IN

PILOT

16

IN

MPX

PHASE

DET

VCO

15

PILOT

FF

OUT

STEREO
SWITCH

FM/AM

12

13

DECODER

FFFF

MONO

14

Lch

CANCEL

ST

7

+B2

AM
IFT

PLL FREQUENCY

SYNTHESIZER

(LC72131M)

+B(FM)

+B1

Power

supply

(FM:ON)

18

AOUT

17

AIN

REFERENCE

DIVIDER

1/6,1/17 4BIT

12 BIT

PROGRAMMABLE

DIVIDER

DATA SHIFT

REGISTER LATCH

BO4

BO3

BO2

98710

1/2

XOUT

FM IN

AM IN

VDD

PHASE DET

CHARGE PUMP

SWALLOWCOUNTER

IO2

IO1

12

16

PD

IFIN

11

UNIVERSAL

COUNTER

Power

Vss

19

ON

RESET

15

XIN

CE

BO1

7.2MHz

1

20

14

13

2
3

DI

4

CL

5

D0

CE1

DATA1

CLK1

DATA I N

6

+B2

To SOUND PROCESSOR

BLOCK DIAGRAM

TUNER L/C

TUNER R

A.GND

MID L

MID R

DC 10V

TW L
TW R

SW

MIC

-B(-7.5V)
V.GND

D.GND

CE/REQ

CLK

DATA

CT.GND

SH FL1

SH FL2

SYNC

W501

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19

20

+B6

-B3

From POWER

Rch

Rch

Rch

TRANSFORMER

BU4053BCFE2

IC201

SIGNAL SELECTOR

+B5

-B3

13

14

2

8

16

7

X1

X0

Y0

G

SW CONT.

VDD
VSS

ABC

11

Y1

10 9

12
1

15

SYNC

97

9596

SH DI

LC72 CE

345

CE1

SH DO

LC72 DO/ST

DATA I N

SH CK

LC72 CK

CLK1

21

94

SH CS

LC8A524A5N28

SYSTEM CONTROL / FL DRIVE

LC72 DI

2

100

DATA1

SD

SH REQ

SD

IC901

9

SEL/

TUNER

MUTING

Q606

MUTING

Q607

(Q608)

+B2

DET

3,13

4,12

LC72721NMTLM

IC151

RDS SIGNAL

DEMODULATOR

1

DD

V

REFERENCE

VOLTAGE

Vss

MPX IN

2

7

8
19
14

T1

T2

T3
T4

ANTIALIASING

FILTER

TEST

57kHz

BPF

(SCF)

56

SMOOTHING

FILTER

CLK(4.332MHz)

OSC/DIVIDER

CINFLOUTVREF

VREF

XOUTXIN STDBY

PLL

(57kHz)

CLOCK

RECOVERY

(1187.5Hz)

DATA

DECODER

RDS-ID

DETECT

RDCL

RDDA

PCL

RDS-ID

IDR

17
16

9

15

18

Q605

MUTING

1011 20

X151

VR901

(VOLUME)

CRT

99

24 23

TIMER

VR JOGA

D903

VR JOGB

31~37

FL901

1~7G

X901

(6MHz)

16

XC IN

FL DISPLAY

17

XC OUT

40~45,
47~50
52~71,
73~77

X902

(32.7kHz)

13 14

XIN

X OUT

LC8A524A5N28

REGIN0

IC901

REGIN1

79

SYSTEM CONTROL / FL DRIVE

P1~35

78

D933,934

Z901
REMOTE
SENSOR

29

REMO-

CON

D954

( PLAY/REC)

+B9

TIMER

81

28

D951

(DIGITAL

S.WOOFER)

MUTE2

27

88

MUTE2

RDS CLK

RDS DATA

D306
()

STANDBY

80

S.W LED

82

26

(25)

HEADPHONES

19

(18)

RSN311W64A

IC601

POWER AMP

MUTING

Q911

(Q912)

Rch

20

D974

POWER CONTROL

CIRCUIT

3

6

+B8

D601

+B3

Q902,961

MUTING

CONT

-VP

15

1

(2)

SURROUND

SPEAKERS

RLY605

23

22

24

POWER CONTROL/

PROTECTION CIRCUIT

5

11

(12)

8

9

14

Q503,558

+B4

SWITCH-

ING

+B11

RLY602

+B11

CENTER

SPEAKERS

(8 )

HIGH

(6 )

MID

(6 )

SPEAKERS

13

KEY

SWITCH

(S901~915)

/ECO

/ECO

KEY TU

19 20

GND

1621

1047

-B2

Q551,554,555

SIGNAL

LEVEL DET

AC IN

POWER

8687

11

AC IN

POWER

KEY

KARAOKE

Q901,
D904

N

D602

-B1

Q601,602

SWITCH-

ING

98

E DET

LC8A524A5N28

+B9

IC901

15

Vss

89

SYSTEM CONTROL / FL DRIVE

RESET

12

RESET

Vss2

MUTE2

90

+B7

D906

D907

Q618

RELAY
DRIVE

LOW
(8 )

Q617

RELAY

DRIVE

POWER

-VP

-VP

1

26

HP SW

CHECK

6

RL1

7

RL2

85

51

MUTE

DD3VDD4

V

VDD1

VDD2

46 72

18

TP

D902D901

+B7

-B1

-B3
D702,704,

752,754,755

Q702,705

REGULATOR

-B2

+B4
+B8 D701,703,
+B3

D956

(TRI-AMPLIFIER)

751,753

Q703,704

+B5

REGULATOR

Q723

Q706

+B2

+B1

POWER

REGULATOR

SWITCH-

ING

Q701

REGULATOR

Q708

SYNC

SWITCH-

ING

Q711,725

+B6

+B11

-VP

+B9

+B10

+B7

D902

D901

REGULATOR

Q707

REGULATOR

Q726

REGULATOR

+B11

Q709

D717~720

FL DISPLAY
(FL901)

RELAY

DRIVE

FL1

FL2

RL701

D705

T701

POWER TRANSFORMER

+B7

RELAY
DRIVE

Q791

L701

AC IN

F1

Z701RLY702

/ECHO

AC IN

D746

NOTES : SIGNAL LINE

: FM SIGNAL
: AM SIGNAL
: FM OSC SIGNAL
: AM OSC SIGNAL
: SOURCE SIGNAL
: CENTER SP. DRIVE SIGNAL
: SURROUND SP. DRIVE SIGNAL

()

indicates pin No. Right channel.

T702

D741~744

POWER

TRANSFORMER

A

B

OPERATION P.C.B.

A

C

DE

F

1

VR901

(VOLUME)

1

2

TP

3

R929

R930

R931

R915

R904

R903

S902

(MODE)

R902

R963

S901

Q901

D904

J

C924

J

R976

B
C
E

J

J

R987

R954

C901

)

C914

C916

)

C918

R928

D974

R946

J

C159

R901

( PLAY/

REC)

R932

R935

D905

J
J

C912

R944

S904

R956

D903

R926

J

C905

100

C911

J

R952

C910

J

C158

C157

C156

J

95

1

C925

R955

R936

L902

90

5

10

R953

J

C926

3
2
1

D306

2

3

J

S915
(RDS

DISP MODE-PTY

S914
(RDS
DISP MODE-PS

R913

R916

)

R914

)

J

4

S912

(TUNER BAND)

S911

(TUNING )

R911

J

R910

R909

S910

(TUNING )

5

J

S907

(SET)

6

S906

(TUNING

MODE)

S903

(CLOCK/TIMER,

—DEMO)

7

JK903

(PHONES)

Q911

8

7

2

1

4

5

C923

W905

8

(REP2964A-M)

S908

(

INPUT SELECTOR

R907

R908

S909
(

6CH DISCRETE INPUT

R906

J
J

S905

(FM AUTO/

MONO)

R905

R938

C395

C396

J

E

C

B

R511

3

E

C

B

J

C509

R512

C510

R964

R509

J

R510

Q912

( / )

J

R918

C915

R957

R919

R988

R991

R934

R967

R937

E

C913

C903

J

R969

R933

R959

R958

R960

J

J

L901

D915

81

85

IC901

15

20

25

30

3
2

X901

1

R951

X902

R921

R925

R922

J

Z901

(SENSOR)

C917

C154

IC151

X151

11 15 20

D954

( )

J

C

J

C908

R924

C155

C902

C961

J

80

R961

J

Q961

B

Q902

C909
C904

C907

R962

C151

R923

C922

R990

R939

75

R943

R945

J

D151

1510

R995

D961

R975

R996

J

J

70

31

C919

C152

C160

R942

J

B
C
E

R993

D973

R986

65

35

J

R950

J

L151

R941

C931

J

D933

60

40

D907

R158

C153

J

C920

D934

45

R949

J

R968

55

D956

J

D906

J

51

50

C927

(TRI-AMPLIFIER)

R984

J

S913

R912

J

J
J
J

D902

R966

D901

W901B

C921

R965

C928

J

J

1
2

5
6

R997

7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

L153

34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

53
54

R151

FL901

L152

R153

W902B

14
12
10

8
6
4
2

D951

15

14

13

12

11

10

8
6
4

3

2

J

J

R155

R152

R154

15
13
11

9
7
5

1

J

9
7
5
3
1

DIGITAL
S.WOOFER

ELECTRICAL PARTS LOCATION

Ref. No. Lo. No.

OPERATION P.C.B.

A

IC151
IC901
Q901
Q902
Q911
Q912
Q961
D151
D306
D901
D902
D903
D904
D905
D906
D907
D915
D933
D934
D951
D954
D956
D961
D973
D974

VR901

L151
L152
L153
L901

L902
Z901
X151
X901
X902

FL901

S901
S902
S903
S904
S905
S906
S907
S908
S909
S910
S911
S912
S913
S914
S915

JK903
W901B
W902B

W905
R151
R152
R153
R154
R155
R158
R509

Ref. No. Lo. No. Ref. No. Lo. No.

R510

7C

R511

4C

R512

5B

R901

3C

R902

7B

R903

7B

R904

2C

R905

6C

R906

8B

R907

3C

R908

3C

R909

2B

R910

5B

R911

3B

R912

2C

R913

6C

R914

4B

R915

4C

R916

4C

R918

2C

R919

7B

R921

1C

R922

2C

R923

3C

R924

6B

R925

1B

R926

6C

R928

7C

R929

5C

R930

4C

R931

4B

R932

7C

R933

7B

R934

5B

R935

6B

R936

6C

R937

8B

R938

7B

R939

7B

R941

8B

R942

6B

R943

6A

R944

6A

R945

5B

R946

6B

R949

5A

R950

4A

R951

4B

R952

2C

R953

4A

R954

3A

R955

7A

R956

3D

R957

2D

R958

8A

R959

6C

R960

6C

R961

7C

R962

7D

R963

6D

R964

6C

R965

8B

R966

8A

R967

7B

R968

8A

R969

7B

R975

7B

R976

7B

R984

7B

R986

6A

R987

6A

R988

5B

R990

6B

R991

5A

R993

5A

R995

4B

R996

2C

R997

3A

C151

4B

C152

4B

C153

3A

C154

2B

C155

2B

C156

6B

C157

6B

C158

1C

C159

6C

C160

6C

C395

3B

C396

6B

C509

2B

C510

2B

C901

2B

C902

2B

C903

3C

C904

2B

C905

3B

C907

3B

C908

3B

C909

7B

C910

4C

C911

2C

C912

2C

C913

5C

C914

6B

C915

6C

C916

6B

C917

6C

C918

6C

C919

5C

C920

5B

C921

5B

C922

3B

C923

2B

C924

2B

C925

2B

C926

3B

C927

3C

C928

4C

C931

6C

C961

6C
8B
8B
3C

3C
2C
2C
3C
3C
5B
1C
3C
3B
2B
3C
2B
3C
2C
3C
3C
7C
7C
7C
7C
7C
7B
7B
7B
7B
7C
7B
7B
8B
8A
4B
2C
3B
5C
4B
6C
5C
5C
5B
5B
5B
3B
5B
2B
6B
6B
6B
7C
3C
3C
3C
8A
6B
5B
3B
7C
3C
3C
2C

A

B

MAIN P.C.B.

B

C

DE

F

1

Q723

C740

ECB

W902A

J

J

15

D607

14

13

10

12

11

9

10

R635

R719

8

9

8

7

7

6

6
5

CN781

4
3
2
1

J

2

J

J

5

4

3

2

J

1

J
J

J

D659

J

R712

R626

R629

J

R564

J

J

J

J

J

J

D657

J

C705

J

J

J

3

To SOUND PROCESSOR

4

W721

5

D755

D761

J

J

J

D705

10

R230

J

W901A

14
12
10

J
J
J
J
J

C737

J

D720

C714

C731

9
8
7
6
5
4
3
2
1

C761

C702

R764

C733

R598

J

15
13
11

8
6
4
2

J

J

W722

4
3
2
1

R597

J

9
7
5
3
1

J

D718

D717

C741

J

R563

J

J

J

D719

D737

R763

J

W501

20

19

18

17

16

15

14

13

12

11

10

9

8

J

7

6

5

4

3

2

1

J
J
J
J
J

C708

C706

Q707

D721

BCE

C707

R707

R766

D715

RL701

21

43

J

D702

D704

J

J

J

6

C704

J

J
J

R669

R702

D754

J

7

J
J

8

(REP2964A-M)

R670

Q618

J

J

R667

R668

R675

B
C
E

R672

1234
CP603

Q617

B
C
E

J

J

J

R708

J

J

J

C715

J

C703

J

J

65

C701

J

D752

J

C601

J

J

J

J
C641

C602

J

J

D757

IC201

910 15

R202

C201

C202

J

D201

J

J

Q708

Q709
Q706

J

D701

J

C639

J

1234

CP602

C735

J

J

J

D703

C642

J

J

R229

R204

158

Q555
Q558

J

D563

C564

R703

D751

C625

C640

J

C732

J

RL605

5678

C554

R203

R570

J

16

R211

D658

R638

ECB

ECB
ECB

J

J

R704

D753

L603

R645

D613

D614

J

R561

J

R559
R558

R591

ECB

D756

C724

ECB

R571
R544

C709

R738

R776

J

R705

R641

J

C621

J

1

8

CP101

D552

Q554

J

Q703

J

R739

D736

C627

RL602

ECB

C552

ECB

R572

R637

R722
R721

L604

R644

J

1

8

D555

B
C
E

B
C
E

R797

Q503

D558

C619

R767

J

J

L606

J
J

J

J

J

R643

R651

1234

1234567891011

C550

C551

R557

Q551

C723

R553

R607

R608

C614

R624
R623

R548

R649

C617
C618

R650

L605

J

J

J

J

J

J

R646

J

J
2

J

56789101112

CP601

R729

D725

C721

C613

C624

R652

3

67

C553

R556

R555

R727

C648

J

J

J

2

R621

R620
R546
R547

R554

R627

J

4

5

D551

R622

J

E601

3

67

Q602

E602

R552

C612

N

D602

C626

B
C
E

D749

R619

4

5

J

R628

R551

J

R647

C616

R640

C622

R631

R610

J

D601

J

J

Q601

B
C
E

J

C647

C660

R632

R611

C609

R648

R691

J

J

Q606

R687
R688

Q607

C659

C608

J
J

J

J

R639

L601

J

Q608

C611

C610

J

L602

J

C631

R685

R686

R615

C607

C605
C606

R612

J

C666

C637

R605
R606

B
C

E

J

R609

J

J

C636

C635

Q605

R617

R618
R684
R683

B
C
E

R604

R603

R614

C604

C650

J

J

J

C620

J

J

C632

JK602

JK601

B
C
E

B
C
E

R601

26
25

C603

24
23
22

C649

21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

IC601

R642

J

(R)

(R)

(R)

(L)

(L)

(L)

R602

LOW
(8 )

MID

(6 )

HIGH
(6 )

LOW
(8 )

MID

(6 )

HIGH
(6 )

SPEAKERS

To SB-EH760

G

H

C

Q701

B
C
E

Q702

B
C
E

Q711

B
C
E

(REP2964A-M)

I

POWER SUPPLY P.C.B.

R725

C717

J

C719

C720

D739

Q725

D730
D758

R723

Q705

ECB

R724

D760

R768

D738

B
C
E

C722

C718

R749

R770

R765

10

C710

R720

C734

W701B

J

D723

9
8
7
6
5
4
3
2
1

ELECTRICAL PARTS LOCATION

Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No.

MAIN P.C.B.

B

IC201
IC601
Q503
Q551
Q554
Q555
Q558
Q601
Q602
Q605
Q606
Q607
Q608
Q617
Q618
Q703
Q706
Q707
Q708
Q709
Q723

D201
D551
D552
D555
D558
D563
D601
D602
D607
D613
D614
D657

C

Q701
Q702
Q705
Q711

2D
5F
3D
2D
2D
3D
3D
2E
2E
2E
2E
3E
3E
8C
8C
3D
4D
3C
4D
4D
1B
3D
2E
2D
2D
3D
3D
5E
5E
1B
7D
7D
2B

POWER SUPPLY P.C.B.

2I
2I
2I
2I

D658
D659
D701
D702
D703
D704
D705
D715
D717
D718
D719
D720
D721
D725
D736
D737
D749
D751
D752
D753
D754
D755
D756
D757
D761
L601
L602
L603
L604
L605

L606
RL602
RL605

Q725

D723

D730

D738

RL701

3D

CN781

2B

CP101

5D

CP601

5C

CP602

4D

CP603

5C

JK601

4C

JK602

4C

E601

4C

E602

4C

W501

4C

W721

4C

W722

3C

W901A

3E

W902A

4D

R202

1C

R203

3E

R204

5D

R211

5C

R229

5D

R230

7C

R544

5C

R546

3D

R547

2D

R548

5C

R551

7E

R552

5E

R553

6D

R554

6D

R555

5D

R556

4D

R557

7E

R558

8D

D739

2I

D758

2I

D760

3I

W701B

3I

R559

5C

R561

2B

R563

1D

R564

8E

R570

8D

R571

8C

R572

8E

R591

7E

R597

7E

R598

3E

R601

2C

R602

5C

R603

5C

R604

3C

R605

2B

R606

3D

R607

2D

R608

2D

R609

3D

R610

2D

R611

2C

R612

3D

R614

4E

R615

4E

R617

4E

R618

3E

R619

3E

R620

3E

R621

4E

R622

3E

R623

2E

R624

2D

R626

2D

R720

2I

R723

3I

R724

2I

R725

2I

2D
2D
2C
2C
2D
3D
3D
2D
2C
2C
3E
3E
3E
3E
2E
2E
3E
3E
4E
4E
4E
4E
3E
3E
2E
2E
4E
4E
3E
3E
4E
4E
3B

2I
2I
2I
1I

JK

Ref. No. Lo. No. Ref. No. Lo. No.

R627
R628
R629
R631
R632
R635
R637
R638
R639
R640
R641
R642
R643
R644
R645
R646
R647
R648
R649
R650
R651
R652
R667
R668
R669
R670
R672
R675
R683
R684
R685
R686
R687

R749
R765
R768
R770

R688

4E

R691

3E

R702

3B

R703

3E

R704

3E

R705

2B

R707

3D

R708

3D

R712

6E

R719

5E

R721

7D

R722

5E

R727

6D

R729

6D

R738

6D

R739

7D

R763

4E

R764

4E

R766

4D

R767

4D

R776

7D

R797

7E

C201

8C

C202

8C

C550

7C

C551

7C

C552

8C

C553

7C

C554

2E

C564

2E

C601

2E

C602

2E

C603

3E

C710

2I

C717

3I

C718

2I

C719

2I

3E
4E
7C
5D
5D
5D
4C
4C
2B
2B
4D
4D
3E
3E
3D
4D
1C
1C
4C
3D
3D
3D
3D
3C
2D
2D
2D
2E
2D
3D
2C
2D
3E

2I
2I
2I
2I

L

Ref. No. Lo. No. Ref. No. Lo. No.

C604
C605
C606
C607
C608
C609
C610
C611
C612
C613
C614
C616
C617
C618
C619
C620
C621
C622
C624
C625
C626
C627
C631
C632
C635
C636
C637
C639
C640
C641
C642
C647
C648

C720
C722
C734

C649

3E

C650

4E

C659

4E

C660

3E

C666

3E

C701

4E

C702

4E

C703

4E

C704

3E

C705

3E

C706

3E

C707

4E

C708

4E

C709

4E

C714

3D

C715

6E

C721

7D

C723

3E

C724

7E

C731

7D

C732

7E

C733

7D

C735

8E

C737

7E

C740

8E

C741

7E

C761

8E
7D
7D
8D
7D
3E
4E

2I
2I
2I

4E
4E
3E
3E
7E
7C
6C
6C
6C
2B
3C
4C
3C
3D
4C
4C
3E
3D
3D
4C
7D
1C
1D
4C
1C
5C
6C

A

B

C

DE

F

AC IN P.C.B.

D

J

D744

J

C759

D746

J

D711

D747

R771

.....

.....

R795
D740

CN603

J

CN602

CN601

D745

R772

1
2
3
4

1
2
3
4
5
6
7
8

1
2
3
4
5
6
7
8

9
10
11
12

[E,EG]
[EB]

1

RL702

43

2

C791

1

F1 T2A

FC1 FC2

W1

W2/W3

Z701

2

3

4

L701

J

JK701

J

J

J

C652

JK603

T702(Power transformer)

C753

J

C755

C651

C644

C646

C

SR

C643

SL

J

J

J

C645

Q791

D743

Q726

C754
C758

J

J

R794

ECB

D500

R773
R774

ECB

J

R777

J

D741

D742

J

J

REP2966A-M
REP2966B-M

ELECTRICAL PARTS LOCATION

Ref. No. Lo. No.

SPEAKER TERMINAL P .C.B .

D

Q726
Q791
D500
D711
D740
D741
D742
D743
D744
D745
D746
D747
L701
T702
Z701

F1
RL702
CN601
CN602
CN603
JK603
JK701

FC1

POWER TRANSFORMER(A) P .C .B.

E

CN701
CN702
CN703
CN704
CN705
CN706
CN707
CN708

POWER TRANSFORMER(B) P .C .B.

F

CN711
CN712
CN713

2D
1C
1C
2D
1D
3C
3D
3C
3D
1D
2D
2D
4B
2C
3B
3A
2B
4D
3D
2D
5B
5B
3A

6B
6B
7B
7B
7B
7B
7B
8B

6D
7D
7D

Ref. No. Lo. No.

FC2

W1

W2/W3

R771
R772
R773
R774
R777
R794
R795
C643
C644
C645
C646
C651
C652
C753
C754
C755
C758
C759
C791

CN709
CN710

W721
W722
R791
R792
R793

W1
W2
W3

3A
2B
3B
1D
2D
1D
2D
2C
1C
1D
4C
4C
4C
4C
4B
4B
3C
2D
3C
2D
2D
2B

8B
8B
7A
7A
8A
8A
6A

6E
7E
7E

5

AC IN

230V 50Hz ..... [E,EG]

230-240V 50Hz ..... [EB]

POWER TRANSFORMER

E

(A) P.C.B.

6

R793

W721

1

2
3

7

4

5
6
7
8
9

10

8

(REP2964A-M)

W722

1

2
3

4

R791

R792

CN701

CN702

CN703

J

CN704

CN705

J

CN706

CN707

CN708

CN709

CN710

T701(Power transformer)

POWER TRANSFORMER

F

(B) P.C.B.

.....

.....

J

J

J

J

[E,EG]
[EB]

J

W1

J

W2

W3

CN711

CN713

CN712

REP2966A-M
REP2966B-M

A

B

OPERATION P.C.B.

A

C

DE

F

1

VR901

(VOLUME)

1

2

TP

3

R929

R930

R931

R915

R904

R903

S902

(MODE)

R902

R963

S901

Q901

D904

J

C924

J

R976

C

J

R987

R954

)

B
E

C914

C916

)

C918

R928

D974

R946

J

J

C159

R901

( PLAY/

REC)

R932

D905

J
J

C901

R944

S904

R956

D903

R935

100

C912

J

C157

C156

J

R926

J

C905

1

C925

C911
R952

C910

J

C158

95

R955

R936

L902

90

5

10

R953

J

C926

3
2
1

D306

2

3

J

S915
(RDS

DISP MODE-PTY

R913

S914
(RDS
DISP MODE-PS

R916

)

R914

)

J

4

S912

(TUNER BAND)

S911

(TUNING )

R911

J

R910

R909

S910

(TUNING )

5

J

S907

(SET)

6

S906

(TUNING

MODE)

S903

(CLOCK/TIMER,

—DEMO)

7

JK903

(PHONES)

Q911

8

7

2

1

4

5

C923

W905

8

(REP2964A-M)

S908

(

INPUT SELECTOR

R907

R908

S909
(

6CH DISCRETE INPUT

R906

J
J

S905

(FM AUTO/

MONO)

R905

R938

C395

C396

J

E

C

B

R511

3

E

C

B

J

C509

R512

C510

R964

R509

J

R510

Q912

( / )

J

R918

C915

R957

R919

R988

R991

R934

R967

R937

E

C913

C903

J

R969

R933

R959

R958

R960

J

J

L901

D915

81

85

IC901

15

20

25

30

3
2

X901

1

R951

X902

R921

R925

R922

J

Z901

(SENSOR)

C917

C154

IC151

X151

11 15 20

D954

( )

J

C

J

C908

R924

C155

J

C902

C961

B

Q902

J

80

C909
C904

R961

C151

Q961

C907

R962

R923

D961

C922

R990

R939

75

R943

R945

J

D151

1510

R995

R975

R996

J

J

70

31

C919

C152

C160

R942

J

B
C
E

R993

D973

R986

65

35

J

R950

J

L151

R941

C931

J

D933

60

40

D907

R158

C153

J

C920

D934

45

R949

J

R968

55

D956

J

D906

J

51

50

C927

(TRI-AMPLIFIER)

R984

J

S913

R912

J

J
J
J

D902

R966

D901

W901B

C921

R965

C928

J

J

1
2

5
6

R997

7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

L153

34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

53
54

R151

FL901

L152

R153

W902B

14
12
10

8
6
4
2

D951

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

J

J

J

R155

R152

R154

15
13
11

9
7
5
3
1

DIGITAL
S.WOOFER

ELECTRICAL PARTS LOCATION

Ref. No. Lo. No.

OPERATION P.C.B.

A

IC151
IC901
Q901
Q902
Q911
Q912
Q961
D151
D306
D901
D902
D903
D904
D905
D906
D907
D915
D933
D934
D951
D954
D956
D961
D973
D974

VR901

L151
L152
L153
L901

L902
Z901
X151
X901
X902

FL901

S901
S902
S903
S904
S905
S906
S907
S908
S909
S910
S911
S912
S913
S914
S915

JK903
W901B
W902B

W905
R151
R152
R153
R154
R155
R158
R509

Ref. No. Lo. No. Ref. No. Lo. No.

R510

7C

R511

4C

R512

5B

R901

3C

R902

7B

R903

7B

R904

2C

R905

6C

R906

8B

R907

3C

R908

3C

R909

2B

R910

5B

R911

3B

R912

2C

R913

6C

R914

4B

R915

4C

R916

4C

R918

2C

R919

7B

R921

1C

R922

2C

R923

3C

R924

6B

R925

1B

R926

6C

R928

7C

R929

5C

R930

4C

R931

4B

R932

7C

R933

7B

R934

5B

R935

6B

R936

6C

R937

8B

R938

7B

R939

7B

R941

8B

R942

6B

R943

6A

R944

6A

R945

5B

R946

6B

R949

5A

R950

4A

R951

4B

R952

2C

R953

4A

R954

3A

R955

7A

R956

3D

R957

2D

R958

8A

R959

6C

R960

6C

R961

7C

R962

7D

R963

6D

R964

6C

R965

8B

R966

8A

R967

7B

R968

8A

R969

7B

R975

7B

R976

7B

R984

7B

R986

6A

R987

6A

R988

5B

R990

6B

R991

5A

R993

5A

R995

4B

R996

2C

R997

3A

C151

4B

C152

4B

C153

3A

C154

2B

C155

2B

C156

6B

C157

6B

C158

1C

C159

6C

C160

6C

C395

3B

C396

6B

C509

2B

C510

2B

C901

2B

C902

2B

C903

3C

C904

2B

C905

3B

C907

3B

C908

3B

C909

7B

C910

4C

C911

2C

C912

2C

C913

5C

C914

6B

C915

6C

C916

6B

C917

6C

C918

6C

C919

5C

C920

5B

C921

5B

C922

3B

C923

2B

C924

2B

C925

2B

C926

3B

C927

3C

C928

4C

C931

6C

C961

6C
8B
8B
3C

3C
2C
2C
3C
3C
5B
1C
3C
3B
2B
3C
2B
3C
2C
3C
3C
7C
7C
7C
7C
7C
7B
7B
7B
7B
7C
7B
7B
8B
8A
4B
2C
3B
5C
4B
6C
5C
5C
5B
5B
5B
3B
5B
2B
6B
6B
6B
7C
3C
3C
3C
8A
6B
5B
3B
7C
3C
3C
2C

A

B

MAIN P.C.B.

B

C

DE

F

1

Q723

C740

ECB

W902A

J

J

15

D607

14

13

10

12

11

9

10

R635

R719

8

9

8

7

7

6

6
5

CN781

4
3
2
1

J

2

J

J

5

4

3

2

J

1

J
J

J

D659

J

R712

R626

R629

J

R564

J

J

J

J

J

J

D657

J

C705

J

J

J

3

To SOUND PROCESSOR

4

W721

5

D755

D761

J

J

J

D705

10

R230

J

W901A

14
12
10

J
J
J
J
J

C737
J

D720

C714

C731

9
8
7
6
5
4
3
2
1

C761

C702

R764

C733

R598

J

15
13
11

8
6
4
2

J

J

W722

4
3
2
1

R597

J

9
7
5
3
1

J

D718

D717

C741

J

R563

J

J

J

D719

D737

R763

J

W501

20

19

18

17

16

15

14

13

12

11

10

9

8

J

7

6

5

4

3

2

1

J
J
J
J
J

C708

C706

Q707

D721

BCE

C707

R707

R766

D715

RL701

21

43

J

D702

D704

J

J

J

6

C704

J

J
J

R669

R702

D754

J

7

J
J

8

(REP2964A-M)

R670

Q618

J

J

R667

R668

R675

B
C
E

R672

1234
CP603

Q617

B
C
E

J

J

J

R708

J

J

J

C715

J

C703

J

J

65

C701

J

D752

J

C601

J

J

J

J
C641

C602

J

J

D757

IC201

910 15

R202

C201

C202

J

D201

J

J

Q708

Q709
Q706

J

D701

J

C639

J

1234

CP602

C735

J

J

J

D703

C642

J

J

R229

R204

158

Q555
Q558

J

D563

C564

R703

D751

C625

C640

J

C732

J

RL605

5678

C554

R203

R570

J

16

R211

D658

R638

ECB

ECB
ECB

J

J

R704

D753

L603

R645

D613

D614

J

R561

J

R559
R558

R591

ECB

D756

C724

ECB

R571
R544

C709

R738

R776

J

R705

R641

J

C621

J

1

8

CP101

D552

Q554

J

Q703

J

R739

D736

C627

RL602

ECB

C552

ECB

R572

R637

R767

R722
R721

L604

R644

J

1

8

D555

B
C
E

B
C
E

R797

Q503

D558

C619

J

J

L606

J
J

J

J

J

R643

R651

1234

1234567891011

C550

C551

R557

Q551

C723

R553

R607

R608

C614

R624
R623

R548

R649

C617
C618

R650

L605

J

J

J

J

J

J

R646

J

J
2

J

56789101112

CP601

R729

D725
C721

C613

C624

R652

3

67

C553

R556

R555

R727

C648

J

J

J

2

R621

R620
R546
R547

R554

R627

J

4

5

D551

R622

J

E601

3

67

Q602

E602

R552

C612

N

D602

C626

B
C
E

D749

R619

4

5

J

R628

R551

J

R647

C616

R640

C622

R631

R610

J

D601

J

J

Q601

B
C
E

J

C647

C660

R632

R611

C609

R648

R691

J

J

Q606

R687
R688

Q607

C659

C608

J
J

J

J

R639

L601

J

Q608

C611

C610

J

L602

J

C631

R685

R686

R615

C607

C605
C606

R612

J

C666

C637

R605
R606

B
C

E

J

R609

J

J

C636

C635

Q605

R617

R618
R684
R683

B
C
E

R604
R603

R614

C604

C650

J

J

J

C620

J

J

C632

JK602

JK601

B
C
E

B
C
E

R601

26
25

C603

24
23
22

C649

21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

IC601

R642

J

(R)

(R)

(R)

(L)

(L)

(L)

R602

LOW
(8 )

MID

(6 )

HIGH
(6 )

LOW
(8 )

MID

(6 )

HIGH
(6 )

SPEAKERS

To SB-EH760

G

H

C

Q701

B
C
E

Q702

B
C
E

Q711

B
C
E

(REP2964A-M)

I

POWER SUPPLY P.C.B.

R725

C717

J

C719

C720

D739

Q725

D730
D758

R723

Q705

ECB

R724

D760

R768

D738

B
C
E

C722

C718

R749

R770

R765

10

C710

R720

C734

W701B

J

9
8
7
6
5
4
3
2
1

D723

ELECTRICAL PARTS LOCATION

Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No. Ref. No. Lo. No.

MAIN P.C.B.

B

IC201
IC601
Q503
Q551
Q554
Q555
Q558
Q601
Q602
Q605
Q606
Q607
Q608
Q617
Q618
Q703
Q706
Q707
Q708
Q709
Q723

D201
D551
D552
D555
D558
D563
D601
D602
D607
D613
D614
D657

C

Q701
Q702
Q705
Q711

2D
5F
3D
2D
2D
3D
3D
2E
2E
2E
2E
3E
3E
8C
8C
3D
4D
3C
4D
4D
1B
3D
2E
2D
2D
3D
3D
5E
5E
1B
7D
7D
2B

POWER SUPPLY P.C.B.

2I
2I
2I
2I

D658
D659
D701
D702
D703
D704
D705
D715
D717
D718
D719
D720
D721
D725
D736
D737
D749
D751
D752
D753
D754
D755
D756
D757
D761
L601
L602
L603
L604
L605

L606
RL602
RL605

Q725

D723

D730

D738

RL701

3D

CN781

2B

CP101

5D

CP601

5C

CP602

4D

CP603

5C

JK601

4C

JK602

4C

E601

4C

E602

4C

W501

4C

W721

4C

W722

3C

W901A

3E

W902A

4D

R202

1C

R203

3E

R204

5D

R211

5C

R229

5D

R230

7C

R544

5C

R546

3D

R547

2D

R548

5C

R551

7E

R552

5E

R553

6D

R554

6D

R555

5D

R556

4D

R557

7E

R558

8D

D739

2I

D758

2I

D760

3I

W701B

3I

R559

5C

R561

2B

R563

1D

R564

8E

R570

8D

R571

8C

R572

8E

R591

7E

R597

7E

R598

3E

R601

2C

R602

5C

R603

5C

R604

3C

R605

2B

R606

3D

R607

2D

R608

2D

R609

3D

R610

2D

R611

2C

R612

3D

R614

4E

R615

4E

R617

4E

R618

3E

R619

3E

R620

3E

R621

4E

R622

3E

R623

2E

R624

2D

R626

2D

R720

2I

R723

3I

R724

2I

R725

2I

2D
2D
2C
2C
2D
3D
3D
2D
2C
2C
3E
3E
3E
3E
2E
2E
3E
3E
4E
4E
4E
4E
3E
3E
2E
2E
4E
4E
3E
3E
4E
4E
3B

2I
2I
2I
1I

JK

Ref. No. Lo. No. Ref. No. Lo. No.

R627
R628
R629
R631
R632
R635
R637
R638
R639
R640
R641
R642
R643
R644
R645
R646
R647
R648
R649
R650
R651
R652
R667
R668
R669
R670
R672
R675
R683
R684
R685
R686
R687

R749
R765
R768
R770

R688

4E

R691

3E

R702

3B

R703

3E

R704

3E

R705

2B

R707

3D

R708

3D

R712

6E

R719

5E

R721

7D

R722

5E

R727

6D

R729

6D

R738

6D

R739

7D

R763

4E

R764

4E

R766

4D

R767

4D

R776

7D

R797

7E

C201

8C

C202

8C

C550

7C

C551

7C

C552

8C

C553

7C

C554

2E

C564

2E

C601

2E

C602

2E

C603

3E

C710

2I

C717

3I

C718

2I

C719

2I

3E
4E
7C
5D
5D
5D
4C
4C
2B
2B
4D
4D
3E
3E
3D
4D
1C
1C
4C
3D
3D
3D
3D
3C
2D
2D
2D
2E
2D
3D
2C
2D
3E

2I
2I
2I
2I

L

Ref. No. Lo. No. Ref. No. Lo. No.

C604
C605
C606
C607
C608
C609
C610
C611
C612
C613
C614
C616
C617
C618
C619
C620
C621
C622
C624
C625
C626
C627
C631
C632
C635
C636
C637
C639
C640
C641
C642
C647
C648

C720
C722
C734

C649

3E

C650

4E

C659

4E

C660

3E

C666

3E

C701

4E

C702

4E

C703

4E

C704

3E

C705

3E

C706

3E

C707

4E

C708

4E

C709

4E

C714

3D

C715

6E

C721

7D

C723

3E

C724

7E

C731

7D

C732

7E

C733

7D

C735

8E

C737

7E

C740

8E

C741

7E

C761

8E
7D
7D
8D
7D
3E
4E

2I
2I
2I

4E
4E
3E
3E
7E
7C
6C
6C
6C
2B
3C
4C
3C
3D
4C
4C
3E
3D
3D
4C
7D
1C
1D
4C
1C
5C
6C

A

B

C

DE

F

AC IN P.C.B.

D

J

D744

J

C759

D746

J

D711

D747

R771

.....

.....

R795
D740

CN603

J

CN602

CN601

D745

R772

1
2
3
4

1
2
3
4
5
6
7
8

1
2
3
4
5
6
7
8

9
10
11
12

[E,EG]
[EB]

1

RL702

43

2

C791

1

F1 T2A

FC1 FC2

W1

W2/W3

Z701

2

3

4

L701

J

JK701

J

J

J

C652

JK603

T702(Power transformer)

C753

J

C755

C651

C644

C646

C

SR

C643

SL

J

J

J

C645

Q791

D743

Q726

C754
C758

J

J

R794

ECB

D500

R773
R774

ECB

J

R777

J

D741

D742

J

J

REP2966A-M
REP2966B-M

ELECTRICAL PARTS LOCATION

Ref. No. Lo. No.

SPEAKER TERMINAL P .C.B .

D

Q726
Q791
D500
D711
D740
D741
D742
D743
D744
D745
D746
D747
L701
T702
Z701

F1
RL702
CN601
CN602
CN603
JK603
JK701

FC1

POWER TRANSFORMER(A) P .C .B.

E

CN701
CN702
CN703
CN704
CN705
CN706
CN707
CN708

POWER TRANSFORMER(B) P .C .B.

F

CN711
CN712
CN713

2D
1C
1C
2D
1D
3C
3D
3C
3D
1D
2D
2D
4B
2C
3B
3A
2B
4D
3D
2D
5B
5B
3A

6B
6B
7B
7B
7B
7B
7B
8B

6D
7D
7D

Ref. No. Lo. No.

FC2

W1

W2/W3

R771
R772
R773
R774
R777
R794
R795
C643
C644
C645
C646
C651
C652
C753
C754
C755
C758
C759
C791

CN709
CN710

W721
W722
R791
R792
R793

W1
W2
W3

3A
2B
3B
1D
2D
1D
2D
2C
1C
1D
4C
4C
4C
4C
4B
4B
3C
2D
3C
2D
2D
2B

8B
8B
7A
7A
8A
8A
6A

6E
7E
7E

5

AC IN

230V 50Hz ..... [E,EG]

230-240V 50Hz ..... [EB]

POWER TRANSFORMER

E

(A) P.C.B.

6

R793

W721

1

2
3

7

4

5
6
7
8
9

10

8

(REP2964A-M)

W722

1

2
3

4

R791

R792

CN701

CN702

CN703

J

CN704

CN705

J

CN706

CN707

CN708

CN709

CN710

T701(Power transformer)

POWER TRANSFORMER

F

(B) P.C.B.

.....

.....

J

J

J

J

[E,EG]
[EB]

J

W1

J

W2

W3

CN711

CN713

CN712

REP2966A-M
REP2966B-M

SCHEMATIC DIAGRAM- 1

OPERATION CIRCUIT

A

FL901 (RSL0298- F)

150

R997

C922

35V33

1 6 8 10 11 12 13 14 15 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

Y A A RQPONMLKJIHGFDCBBCDEFGHIJLLMNOPQRSTUVWX

50V4.7

C928

50V4.7

V

E

D973

C921

MA4030MTA

1000P

R996

150

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.

FL DISPLAY

C908

470P

R925

1K

R922

10K

S901

R901

820

)

)
/

S902

(

MODE

(

1K

)

S903

DEMO

-

CLOCK/TIMER,

(

1.2K

S904

)

PLAY/ REC
(

1.5K

S905

)

FM AUTO/MONO

(

1.8K

S906

)

TUNING MODE

(

R905

R904

R903

R902

R906

2.2K

S907

)

SET

(

R907

3.3K

S908

)

INPUT SELECTOR

(

: SOURCE SIGNAL LINE

R908

4.7K

S909

INPUT)

(6CH DISCRETE

C919

50V4.7

C927

50V4.7

JK903
HEADPHONES

W905

R924

C907

R950

C924

C395

C396

470P

100

0.1

0.047

0.047

1K

10K

R921

4.7K

R949

0.01

C904

R51147R509

R51247R510

C509

C510

47

0.01

47

0.01

)
PS

(

S914

(RDS DISP MODE)

Q912

Q911

U

T

2.2K

R944

S

D974

MA165TA

8
7
3
2
4
5
1

0.1

C923

R913

820

S915

S

T

M

)
(

PTY

R914

1K

0V

R964

120

-

6.1V

R963

120

-

6.1V

0V

Q911,912
2SD2144STA

MUTING

R915

1.2K

R916

1.5K

-

6.2V 0.1V

Q961
UN4115TA

MUTING CONT.

R968

1M

K
0
1

R909

1.8K

S910

)

(TUNING,

D961

C961

MA4075MTA

16V10

R910

2.2K

)

S911

TUNING,

(

150K

R975

R911

3.3K

S912

C931

(TUNER/BAND)

16V10

R912

4.7K

S913

R967

(DIGITAL

R966

2.2K

)

S.WOOFER

3.9K

R965

3.9K

SCHEMATIC DIAGRAM- 2

-

27.6V

: POSITIVE VOLTAGELINE
: NEGATIVE VOLTAGE LINE

A
B
C

A VBCDEFGHI JK LMNOPQR UTS

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.6V

-26.8V

-26.8V

5.2V

-22V

-17.3V

-12.5V

-17.3V

P10

-27.6V
51

-VP

-26.9V

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

D934 MA165TA

D933 MA165TA

R990 100K

100K

R993

-21.8V

-21.7V

-11.8V

-16.8V

-17.1V

-21.7V

-21.7V

-12V

-12.6V

-7.6V

-16.8V

-9.6V

-6.8V

-18V

-18V

-18V

-11.4V

-11.4V

-12.2V

5.2V

-18V

-12.4V

-9.6V

-4.8V

-11.7V

1.5V

52

P11

53

P12

54

P13

55

P14

56

P15

57

P16

58

P17

59

P18

60

P19
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78

0V

79

0V

80

T 3.1ms.
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30

DD4

V
P31
P32
P33
P34
P35
REGIN0
REGIN1
STANDBY

TIMER

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

0V

P9P8P7

S.W LED

0V

CAB

DD3

V

T 16ms.

2V/2ms.DIV.

T

LOUNGE

CHORUS

MUTE

0V

-12.7V

P6P5P4P3P2

IC901
LC8A524A5N28

SYSTEM CONTROL/
FL DRIVE

4V
0V

-25V
F=6MHz

F=32.7kHz

5V

0V

5V

0V

10ms.

SS2VDD2

POWER

/ECO

MUTE2

V

0V

5.1V

5.1V

5.2V

C905

1000P

D915

1SS291TA

P1

F=32.7kHz

5V

0V

NCNCRL4

C901

NC

6.3V100

1G2G3G4G5G6G7G

NC

T 3.1ms.

F=6MHz

3.4V
P-P

5.2V
P-P

1.8V
P-P

2V/2ms.DIV.

SH CS

SH DO

SH DI

1.2V

3.8V

3.8V

4.4V

10K

R937

R934 100

R935 100

3132333435363738394041424344454647484950

4V
0V

REMOCON

-25V

RDS DATA

4.4V
P-P

KEY KARAOKE

SEL/ TUNER

SEL TUNER

ST/ AV6CH

5V

0V

LC72 DO/ST

SH CK

E DET

CR TIMER

100

5.2V

5.2V

5.2V

R988 1K

R987 1K

RDS CLK

HP SW

MIC DET
VR JOGA
VR JOGB
NC(GND)

SH REQ

KEY TU

DD1

V

XC OUT

XC IN

VSS

X OUT

XIN

RESET

AC IN

RL2
RL1

LC72 CK

LC72 CE

LC72 DI

CHECK

SD

D903

C913

NC

R926

MA165TA

16V10

2.2K

30

5.2V

29

2.6V

28

2.5V

27

0.5V

26

5.2V

25

5.2V

24

5.2V

23
22

1.3V

21

5.2V

20

5.2V

19

5.2V

18

2.5V

17

2.2V

16
15

2.7V

14

1.7V

13

5.1V

12

2V

11

0V

10

5.2V

9
8

5.1V

7

5.1V

6

5.2V

5

5.1V

4

0V

3

0V

2

2.6V

1

TP

820K

R955

R918 10K

R928 47K

R953 100

D905 1SS291TA

R954

100K

0.1

C912

L902 1 H

Q901
UN4212TA

RESET

5.1V

A
B
C
D

E
F

10M

R952

5.2V

22K

R956

1K

R938 1K

R941 1K
R942 1K
R929 1K
R930 1K
R932 1K
R931 1K

1

3

R951

330K

22K

0V

X901

(6MHz)

X902

(32.7kHz)

C925

C915

1000P

0.01

C910

C911

C914

D904

2

20P

18P

50V2.2

MA165TA

R957

1K

R976

100K

J

H

R

F
G
A
B
D
C

R919

15K

100

R936

R969 2.7K

R960 1.5K

R958 1K

R959 47

R933 470

5.2V

C916

6.3V100

D306

SELS5223C

R939

1.5K

A

R986

1.5K

B

R995

220

C

( )

D954

SELS5923C

(

PLAY/ REC

D951

LNJ301MPUJAD

(DIGITAL

S.WOOFER

D906

MA165TA

)

)

U

LEQ

OP

KIN

R991

47K

C903

0.01

C926

1000P

D902

1SS291TA

6.2V

D901

1SS291TA

L901

10 H

C902

10V1000

SCHEMATIC DIAGRAM- 3

OPERATION CIRCUIT

A

C151

16V10

1K

R158

5.2V

L151

100 H

C152
330P

C158

C154

6.3V47

560P

2.5V
1

VREF STDBY

2.5V
2

MPX IN

5.1V
3

VDD

4

VSS

2.5V
5

FL OUT

2.5V
6

CIN

7

T1

8

T2

9

PCL

10 11

X OUT

X151

IDR

RDCL

RDDA

RDS- ID

V

VSS

XIN

: POSITIVE VOLTAGELINE
: NEGATIVE VOLTAGE LINE

2.4V

3V

5.1V

2.5V2.6V

IC151
LC72721NMTLM

RDS SIGNAL
DEMODULATOR

100K

100K

R154

R153

C153

C155

1000P

1000P

C160

1000P

R151

1K

R152

1K

C159

6.3V47

20

19

T3

18

17

16

15

14

T4

13

DD

12

: SOURCE SIGNAL LINE

D
C

B

L152

100

H

D151

ABC

R155

120

H
1

MA4051MTA

L153

D956

SELS5923C

(TRI-AMPLIFIER)

D907

MA165TA

A
B
C
D
E

F
G
H

I

J
K

L

220

R984

W902B

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

47P

C157

VR901

EVQVBXFK124B

(VOLUME)

COM

BA

1 2 3

EFA

100

100

R945

R943

C909

1000P

22K

22K

R962

R961

0.01

C917

47P

C156

R946

C918

6.3V100

1K

5.1V

Z901
RCDGP1U28XD

(REMOTE SENSOR)

1

2

3

R923

22K

M
N
O
P
Q

R
S

U

T

7.2V

Q902
UN411FTA

MUTING CONT.

10K

4.7K

- 27.6V
W901B

15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

0V0V

SCHEMATIC DIAGRAM- 4

MAIN CIRCUIT

B

W501

1

TU L/C ch

A.GND

MID Lch IN

DC 10V

TW Lch IN

TW Rch IN

S.W

MIC

- 7.5V
V.GND
D.GND

CS/REQ

CLK

DATA

CT.GND

SH FL1
SH FL2

SYNC

2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20

W902A
15
14
13
12
11
10

9
8

R626 1K

7

R629 1K

6
5
4
3
2
1

To
MAIN CIRCUIT
of SOUND
PROCESSOR

TUNER Rch

MID Rch IN

B
A

A
B

R597 2.2K
R598 2.2K

A

10.4V
B
C
D

-7.5V

A
B
C

E
F
G

2.2K

R712

C
D
E
F
G

H

J
B
A
C

:

POSITIVE VOLTAGE LINE

:

NEGATIVEVOLTAGE LINE

2.7K

R563

R211

270

D201

I

R564

MA4056MTA

2.7K

:

FM SIGNAL LINE

:

AM SIGNAL LINE

C659

16V10

C660

16V10

C201

:

SURROUND SP.DRIVE SIGNAL LINE

:

CENTER SP.DRIVE SIGNAL LINE

7.5V

-7.5V

R631

3.9K

R632

3.9K

4.7K

4.7K

R614

R615

0V 0V 0V 0V -7.5V

1

Y1 Y0

V

DD

15

0.1

B
A

R203

Z1

14 13 12

100K

R202

100K

C601

R617

53

Z0

X0X1

16V10

4.7K

A
B

100K

R204

642

INH VSS G

11

0V0V0V0V5.5V

:

SOURCE SIGNAL LINE

C202

0.1

7

8

CBA

10

916

IC201
BU4053BCFE2

SIGNAL SELECTOR

R603

3.3K

R688 1.5K

R687 1.5K

ToTUNER UINT
on SCHEMATIC
DIAGRAM- 9

T.GND

+B(1)

+B(2)

DET

Rch IN

Lch IN

DO

CDB

14.8V

1K

Q606

C602

16V10

0V0V

R606 4.7K

W901A
15
14
13
12
11

6.2V

10

9
8
7
6
5
4
3
2
1

CP101

1
2

3

SD

4

5

R230 1K

6
7

CE

DI

CL

R229 1K

8
9

10

11

7.2V

K
L
M
N
O

G

B
F
A
E
D
C

Q707
2SB1548PQAU

REGULATOR

C708

0.047

-28.1V

C706

35V10

14.8V

Q723
2SC3940AQSTA

REGULATOR

C735

0.047

7.8V

C740

16V10

R707

0.047

R764

330

D721

R763

R708

4.7K

4.7K

MA4300MTA

1/4W4.7

D737

MA4082LTA

C737

50V100

D705

RL1N4003N02

C715

25V4700

PRQ

D718

D717

Q605,606
2SD2144STA

MUTING

C731

1000P

C741

0.1

D720

D717- 720
RL1N4003N02

-34.2V-27.6V

C707

14.8V7.2V

C733

0.047

R605 4.7K

R6831KR684

0V 0V

Q605

14.2V

D719

C714

1000P

SCHEMATIC DIAGRAM- 5

IC601

MA700ATA

RSN311W64A

POWER AMP

D756

D757

MA700ATA

: POSITIVE VOLTAGELINE
: NEGATIVE VOLTAGE LINE

: SURROUND SP.DRIVE SIGNAL LINE
: CENTER SP.DRIVE SIGNAL LINE

7.5V

-7.5V

: SOURCE SIGNAL LINE

0V-61.9V 0V0V0V 0V 29.9V-30.4V0V-30.7V-61.6V0V 0V 0V 0V 0V 0V61.4V 30.2V -0.2V 0V 0V 61.5V

123456789101112131415181920212223242526 1617

0V

Q608

O
M

A

G

C648

1000P

B

A

R602

3.3K

R601 3.3K

0V

0V

Q607

0V

0.01

C705

C603 470P

4.7K

R618

R685

1K

R686

1K

Q607, 608
2SD2144STA

MUTING

6.2V

10.4V

2.1V

10K

10K

Q708 Q706

C604 470P

R604

3.3K

Q706, 708
UN4211TA

SWITCHING

0V

0V

N

470K

R627

R647

1/4W390

R691

1/2W150

R702

C704

C702

C616

50V0.47

R620
120K

R619 120K

R622 120K

R621 150K

R624 150K

R623 120K

L
K

27K

D702,704,752
1N5402BM21

D704

D752

35V4700

35V4700

6.2V

R628 22K

C622 50V100

5.3V

0V

C761

D558

MA165TA

0.1

0V

R572

R703

R704

R705

15K

1W2.2K

1W2.2K

1W2.2K

Q601 Q602

R544

10K

-61.9V

D702

C607 470P

C608 470P

C649 1000P

C650 1000P

C605 1000P

C606 1000P

R612 56K
C610 56P
R611 56K
C609 56P

R610 150K
C612 15P
R609 150K
C611 15P
R608 56K
C614 47P
R607 56K
C613 47P

R648

10K

Q601,602
2SC5398RSTA

SWITCHING

D659

MA165TA

0V

D755 D754

0.01

C618

1/4W120

0.01

C617

R571

10.2V

10K

10K

5.6K

5V

10K

Q558
UN4211TA

SWITCHING

D754,755
RL1N4003N02

D602

SB360L6508

5.3V

0V

0V

Q503
2SD2144STA

SWITCHING

D753,761
RL1N4003N02

D753D761

C703

C701

15K

R637

D703

35V4700

35V4700

D601

SB360L6508

D607

1SS291TA

0.01

C619

R638

C709

D751

D701,703,751
1N5402BM21

68K

0.1

D701

-61.9V

61.5V

B

F

A
E
G
D
C

-30.7V

30.2V

D658

D657

MA165TA

MA165TA

10.4V

14.2V

14.8V

SCHEMATIC DIAGRAM-6

MAIN CIRCUIT

B

R570

2.2M

C552

R559

0.01

4.7K

-7.5V

0.3V

Q551

10K

R557

2SA1995RSTA

SIGNAL LEVEL DET.

100K

R556

C551

D551

50V2.2

MA165TA

R546 5.6K

R551 18K

R552 47K

R553 5.6K

R554 5.6K

R555 22K

C553 50V0.47

A

5.6K

R635

2.2K

R547

C724

0.047

R719

C639

1000P

C640

1000P

C641

1000P

C642

1000P

C732

0.022

C647

1000P

3.3K

Q703
2SD2137PQTA

REGULATOR

R797

0

8.1V

C721

10V100

E601

E602

29.9V7.5V

14.8V

-7.5V

10.4V

C723

0.047

B

C

D

E

F

R729

220

14.2V

D738

D730

D725

MA165TA

Q555
2SD2144STA

SIGNAL LEVEL DET.

-7.5V

R591

4.7K

2.2K

R558

3.9K

R727

D749

MA165TA

MA4082LTA

100

R768

D760

MA165TA

R770
100K

MA4091HTA

D758

C734 50V3.3

MA165TA

7.5V

-7.5V

D552

MA165TA

10.2V

R561

MA4100MTA

C554

10V220

A
B

C

D

G

E

R767

1/4W4.7

F

CN781

1 2 3 4 5 6 7 8 9 10

1 2 3 4 5 6 7 8 9 10

W701B

R749

1K

14.2V10.4V

13.5V

D739

MA165TA

13.5V

9.6V

R765

1/2W220

: POSITIVE VOLTAGELINE
: NEGATIVE VOLTAGE LINE

R548

1K

0.01

C550

100K

D555

Q554
2SA1995RSTA

SIGNAL LEVEL DET.

D563

MA165TA

R722

Q711
2SB1548PQAU

REGULATOR

Q725
2SC5398RSTA

REGULATOR

7V

Q709
2SD2144STA

RELAYDRIVE

R738

3.9K

C564

16V10

R721

1/6W2.2

0V

7.5V

47K

R739

-30.7V

1/4W4.7

0.7V

: SURROUND SP.DRIVE SIGNAL LINE
: CENTER SP.DRIVE SIGNAL LINE

L605

B

R649

1/2W10

R650

1/2W10

L606

A

Q617, 618
2SD2144STA

RELAYDRIVE‘

R644

1/2W10

L604

E

R645

1/4W10

C625

0.047
R643

1/2W10

L603

F

R776 10K

D736

MA165TA

0V

D715

MA165TA

R766

1/2W47

6.2V

30.2V

J
N
R

Q
P

F
E

POWER SUPPLY CIRCUIT

C

Q702
2SB1548PQAU

REGULATOR

-8V

R720 3.9K

C722 16V100

-0.6V

Q705
2SA1995RSTA

REGULATOR

R667

3.9K

IH

RL701

5

6.2V14.2V

29.4V

-30.3V-7.5V

C720

0.047

-8V

R651

C627

R672

R675

1/4W10

0.1

0.7V

47K

0.7V

3.9K

34126

3.9K

R724

C718

10V100

Q618

0V

R668

47K

Q617

0V

DCFG

C710

0.047

Q701
2SD2374PQAU

REGULATOR

15.4V

C717

16V33

: SOURCE SIGNAL LINE

RL602

68

D613

MA165TA

31572 4

R652

R725

10

D723

RL605

MA4150HTA

W722

W721

C624

R723

1/4W10

0.047

1
2
3
4

1
2
3
4
5
6
7
8
9

10

5.6K

C626

R646

0.1

1/4W10

31

68427 5

R669

1/2W47

R670

1/2W47

D614

MA615TA

29.4V14.8V

C719

0.047

B
A

C
D

B

E
A

SCHEMATIC DIAGRAM- 7

A

C631

0.047

B

C635

0.047

C637

0.047

C

C666

0.047

D

C636

0.047

C632

0.047

R642

R640

1/2W10

1/2W10

L601
R639

C620

1/4W10

0.047

R641

1/4W10

C621

0.047

L602

C

D

SPEAKERS
ToSB-EH760

JK601

HIGH(6

MID(6 )

LOW(8 )

JK602

HIGH(6 )

MID(6 )

LOW(8 )

: POSITIVE VOLTAGE LINE

AC IN CIRCUIT

D

Q726
2SC3940AQSTA

REGULATOR

10.9V6.2V

)

Lch

Rch

R774

1/2W18

R773

1/2W18

D711

RL1N4003N02

0.01

C754

ACB

6.2V

C759

10V47

14.2V

6.9V

C753

D500

R771

2.2K

MA165TA

: NEGATIVE VOLTAGE LINE

D746

RL1N4003N02

0.01

C758

D744

D742

0.01

RL702

3 1

0V

0.7V

Q791
2SD2144STA

RELAYDRIVE

MA165TA

D741
D743

D740

R777

D747

T702

24

1K

MA4068LTA

D741-744

RL1N4003N02

C755

16V1000

F1 TA2

C791

1000P

47K

R794

D745

MA4051MTA

: SOURCE SIGNAL LINE
: SURROUND SP.DRIVESIGNAL LINE
: CENTER SP.DRIVESIGNAL LINE

A

C652

1000P

C651

0.047

B

C644

1000P

C646

0.047

C

C643

C645

0.047

1000P

JK701

L701

Z701

R795

3.9K

22K

R772

JK603

CENTER

)

(8

Rch

SURROUND

)

(8

Lch

AC IN

230V 50Hz E,EG
230- 240V 50Hz EB

W2/W3

W1

POWERTRANSFORMER

E

(A)

CIRCUIT

W722
1
2
3
4

1
2
3
4
5
6
7
8
9

10

W721

A
B
C
D
E

F
G

R791, 792

RSFMB40KT-L

R791

R792

R793

1

AC

23.3V

AC

23.3V

GCFBA DE

AC
12V

1

1

AC30V

CN701

CN702

CN703

CN704

CN705

CN706

CN707

CN708

CN709

CN710

AC

4.8V

A

AC
12V

111098765432 12

111098765432 12

B

CN601

1

1

CP601

CDE FG

T701

CN602

765432 8

765432 8

CP602 CP603

POWERTRANSFORMER

F

(B)

CN711

CN712

CN713

4

4

CIRCUIT

13 2

13 2

CN603

W1

W3

W2

For E,EG areas.

For EB area.

SCHEMATIC DIAGRAM-8

FM ANT

(75 )

AM ANT

EXT

LOOP

Z120 TUNER UNIT(RAN0005EM)

2SK360

2.7K47P

5P ~ 12P

33K

RF AMP

5P

100K

100K

0~5P

22P 15P

22P0.022

0.47 H

0.47 H

6 ~ 220

1P ~ 5P

0.022

2P

100

2SK360

FM OSC

100K

:POSITIVE VOLTAGE LINE

6P ~ 10P

33K

33K

2SC2413

BUFFER AMP

8P

27P

10K 10K

:FM SIGNAL LINE
:FM OSC SIGNAL LINE

2SC2059

1 H

1000P

330

FM MIXER

680

820K ~ 2.2M

4P

27P

1P ~ 5P

2P

220

0.022
5P

18P

2.2K

680 ~

A

:AM SIGNAL LINE
:AM OSC SIGNAL LINE

10K

0.022

0 ~ 220

150

0.01

0.022

100

100

0.01

10K

5.6K

1000P

27P

10P ~ 33P

330P ~

580P

0.047

7.2MHz

100K

3.3K

10K

5 ~12P

22

10K

4.7

560

A OUT

DI

1K

AIN

CL

1K

27P~ 33P

20 19 18 17 16 15 14 13 12 11

Vss

X OUT

XIN

CE

1 2 3 4 5 6 7 8 9 10

1K

1K

ABCD

C

B

D

DZS5.1B

DD

PD

V

LC72131M

PLL FREQUENCY
SYNTHESIZER

DO

B01

470

FM IN

B02

1K

AM IN

B03

0.58

1000P

I02

B04

H

1000P

100

I01 IF IN

10K

22K~100K

100P0.01

390

220

27K

A

B

C

D

E

F

SCHEMATIC DIAGRAM-9

:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE

10K

0.01

270 ~ 680

LA1833MN

FM/AM IF AMP,

1K ~ 10K

DET/AM OSC,MIX/FM MPX

3.3
1000P

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

AM OSC

AM OSC OUT

A
D

B
C

AFC

1000P

270K ~ 680K

47K

AM RF IN

2SC2413

FM IF AMP

4.7

AGC

330

0.01 ~ 0.068 10K ~ 100K

AM OUT

10P ~

39P

100P ~ 1000P

330

DET OUT

270K ~

680K

2SC2413

FM IF AMP

1022K4.7

1K ~ 10K

150P

PILOT IN

DTA114

POWER SUPPLY
(FM:ON)

68K 0.1

0.018

1000P ~ 0.01

0.018

MPX IN

PILOT OUT

Rch OUT

Lch OUT

1K1

11K

100K

100K

B

4700P

A

4700P

4.7K ~ 22K

100

AM MIX OUT

REG

1

GND

AM IF IN

0.01

FM IF IN

1 2 3 4 5 6 7 8 9 10 11 12

22

0.1

0.022

ST

SD

470

470

AB

FM DET

5 ~ 150

1000P

Vcc

0.1

470

STRQ

FM/AM

2.7K 1

MONO

1

0.47

3.3K

2SC2712

SWITCHING

1K ~ 10K

68

BADFC E

A

B

A

B

A
B
D
C

11

CL

DI

DO

CE

Lch OUT

Rch OUT

B

To MAIN CIRCUIT(CP101)
on SCHEMATIC DIAGRAM-4

DET

+B(2)SD+B(1)

13 245678910

T.GND

SCHEMATIC DIAGRAM- 1

OPERATION CIRCUIT

A

FL901 (RSL0298- F)

150

R997

C922

35V33

1 6 8 10 11 12 13 14 15 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

Y A A RQPONMLKJIHGFDCBBCDEFGHIJLLMNOPQRSTUVWX

50V4.7

C928

50V4.7

V

E

D973

C921

MA4030MTA

1000P

R996

150

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.

FL DISPLAY

C908

470P

R925

1K

R922

10K

S901

R901

820

)

)
/

S902

(

MODE

(

1K

)

S903

DEMO

-

CLOCK/TIMER,

(

1.2K

S904

)

PLAY/ REC
(

1.5K

S905

)

FM AUTO/MONO

(

1.8K

S906

)

TUNING MODE

(

R905

R904

R903

R902

R906

2.2K

S907

)

SET

(

R907

3.3K

S908

)

INPUT SELECTOR

(

: SOURCE SIGNAL LINE

R908

4.7K

S909

INPUT)

(6CH DISCRETE

C919

50V4.7

C927

50V4.7

JK903
HEADPHONES

W905

R924

C907

R950

C924

C395

C396

470P

100

0.1

0.047

0.047

1K

10K

R921

4.7K

R949

0.01

C904

R51147R509

R51247R510

C509

C510

47

0.01

47

0.01

)
PS

(

S914

(RDS DISP MODE)

Q912

Q911

U

T

2.2K

R944

S

D974

MA165TA

8
7
3
2
4
5
1

0.1

C923

R913

820

S915

S

T

M

)
(

PTY

R914

1K

0V

R964

120

-

6.1V

R963

120

-

6.1V

0V

Q911,912
2SD2144STA

MUTING

R915

1.2K

R916

1.5K

-

6.2V 0.1V

Q961
UN4115TA

MUTING CONT.

R968

1M

K
0
1

R909

1.8K

S910

)

(TUNING,

D961

C961

MA4075MTA

16V10

R910

2.2K

)

S911

TUNING,

(

150K

R975

R911

3.3K

S912

C931

(TUNER/BAND)

16V10

R912

4.7K

S913

R967

(DIGITAL

R966

2.2K

)

S.WOOFER

3.9K

R965

3.9K

SCHEMATIC DIAGRAM- 2

-

27.6V

: POSITIVE VOLTAGELINE
: NEGATIVE VOLTAGE LINE

A
B
C

A VBCDEFGHI JK LMNOPQR UTS

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.3V

-17.6V

-26.8V

-26.8V

5.2V

-22V

-17.3V

-12.5V

-17.3V

P10

-27.6V
51

-VP

-26.9V

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

D934 MA165TA

D933 MA165TA

R990 100K

100K

R993

-21.8V

-21.7V

-11.8V

-16.8V

-17.1V

-21.7V

-21.7V

-12V

-12.6V

-7.6V

-16.8V

-9.6V

-6.8V

-18V

-18V

-18V

-11.4V

-11.4V

-12.2V

5.2V

-18V

-12.4V

-9.6V

-4.8V

-11.7V

1.5V

52

P11

53

P12

54

P13

55

P14

56

P15

57

P16

58

P17

59

P18

60

P19
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78

0V

79

0V

80

T 3.1ms.
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30

DD4

V
P31
P32
P33
P34
P35
REGIN0
REGIN1
STANDBY

TIMER

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

0V

P9P8P7

S.W LED

0V

CAB

DD3

V

T 16ms.

2V/2ms.DIV.

T

LOUNGE

CHORUS

MUTE

0V

-12.7V

P6P5P4P3P2

IC901
LC8A524A5N28

SYSTEM CONTROL/
FL DRIVE

4V
0V

-25V
F=6MHz

F=32.7kHz

5V

0V

5V

0V

10ms.

SS2VDD2

POWER

/ECO

MUTE2

V

0V

5.1V

5.1V

5.2V

C905

1000P

D915

1SS291TA

P1

F=32.7kHz

5V

0V

NCNCRL4

C901

NC

6.3V100

1G2G3G4G5G6G7G

NC

T 3.1ms.

F=6MHz

3.4V
P-P

5.2V
P-P

1.8V
P-P

2V/2ms.DIV.

SH CS

SH DO

SH DI

1.2V

3.8V

3.8V

4.4V

10K

R937

R934 100

R935 100

3132333435363738394041424344454647484950

4V
0V

REMOCON

-25V

RDS DATA

4.4V
P-P

KEY KARAOKE

SEL/ TUNER

SEL TUNER

ST/ AV6CH

5V

0V

LC72 DO/ST

SH CK

E DET

CR TIMER

100

5.2V

5.2V

5.2V

R988 1K

R987 1K

RDS CLK

HP SW

MIC DET
VR JOGA
VR JOGB
NC(GND)

SH REQ

KEY TU

DD1

V

XC OUT

XC IN

VSS

X OUT

XIN

RESET

AC IN

RL2
RL1

LC72 CK

LC72 CE

LC72 DI

CHECK

SD

D903

C913

NC

R926

MA165TA

16V10

2.2K

30

5.2V

29

2.6V

28

2.5V

27

0.5V

26

5.2V

25

5.2V

24

5.2V

23
22

1.3V

21

5.2V

20

5.2V

19

5.2V

18

2.5V

17

2.2V

16
15

2.7V

14

1.7V

13

5.1V

12

2V

11

0V

10

5.2V

9
8

5.1V

7

5.1V

6

5.2V

5

5.1V

4

0V

3

0V

2

2.6V

1

TP

820K

R955

R918 10K

R928 47K

R953 100

D905 1SS291TA

R954

100K

0.1

C912

L902 1 H

Q901
UN4212TA

RESET

5.1V

A
B
C
D

E
F

10M

R952

5.2V

22K

R956

1K

R938 1K

R941 1K
R942 1K
R929 1K
R930 1K
R932 1K
R931 1K

1

3

R951

330K

22K

0V

X901

(6MHz)

X902

(32.7kHz)

C925

C915

1000P

0.01

C910

C911

C914

D904

2

20P

18P

50V2.2

MA165TA

R957

1K

R976

100K

J

H

R

F
G
A
B
D
C

R919

15K

100

R936

R969 2.7K

R960 1.5K

R958 1K

R959 47

R933 470

5.2V

C916

6.3V100

D306

SELS5223C

R939

1.5K

A

R986

1.5K

B

R995

220

C

( )

D954

SELS5923C

(

PLAY/ REC

D951

LNJ301MPUJAD

(DIGITAL

S.WOOFER

D906

MA165TA

)

)

U

LEQ

OP

KIN

R991

47K

C903

0.01

C926

1000P

D902

1SS291TA

6.2V

D901

1SS291TA

L901

10 H

C902

10V1000

SCHEMATIC DIAGRAM- 3

OPERATION CIRCUIT

A

C151

16V10

1K

R158

5.2V

L151

100 H

C152
330P

C158

C154

6.3V47

560P

2.5V
1

VREF STDBY

2.5V
2

MPX IN

5.1V
3

VDD

4

VSS

2.5V
5

FL OUT

2.5V
6

CIN

7

T1

8

T2

9

PCL

10 11

X OUT

X151

IDR

RDCL

RDDA

RDS- ID

V

VSS

XIN

: POSITIVE VOLTAGELINE
: NEGATIVE VOLTAGE LINE

2.4V

3V

5.1V

2.5V2.6V

IC151
LC72721NMTLM

RDS SIGNAL
DEMODULATOR

100K

100K

R154

R153

C153

C155

1000P

1000P

C160

1000P

R151

1K

R152

1K

C159

6.3V47

20

19

T3

18

17

16

15

14

T4

13

DD

12

: SOURCE SIGNAL LINE

D
C

B

L152

100

H

D151

ABC

R155

120

H
1

MA4051MTA

L153

D956

SELS5923C

(TRI-AMPLIFIER)

D907

MA165TA

A
B
C
D
E

F
G
H

I

J
K

L

220

R984

W902B

15
14
13
12

11
10

9
8
7
6
5
4
3
2
1

47P

C157

VR901

EVQVBXFK124B

(VOLUME)

COM

BA

1 2 3

EFA

100

100

R945

R943

C909

1000P

22K

22K

R962

R961

0.01

C917

47P

C156

R946

C918

6.3V100

1K

5.1V

Z901
RCDGP1U28XD

(REMOTE SENSOR)

1

2

3

R923

22K

M
N
O
P
Q

R
S

U

T

7.2V

Q902
UN411FTA

MUTING CONT.

10K

4.7K

- 27.6V
W901B

15
14
13
12

11
10

9
8
7
6
5
4
3
2
1

0V0V

SCHEMATIC DIAGRAM- 4

MAIN CIRCUIT

B

W501

1

TU L/C ch

A.GND

MID Lch IN

DC 10V

TW Lch IN

TW Rch IN

S.W

MIC

- 7.5V
V.GND
D.GND

CS/REQ

CLK

DATA

CT.GND

SH FL1
SH FL2

SYNC

2
3
4
5
6
7
8

9
10
11
12
13
14
15
16
17
18
19
20

W902A
15
14
13
12
11
10

9
8

R626 1K

7

R629 1K

6
5
4
3
2
1

To
MAIN CIRCUIT
of SOUND
PROCESSOR

TUNER Rch

MID Rch IN

B
A

A
B

R597 2.2K
R598 2.2K

A

10.4V
B
C
D

-7.5V

A
B
C

E
F
G

2.2K

R712

C
D
E
F
G

H

I
J
B
A
C

:

POSITIVE VOLTAGE LINE

:

NEGATIVEVOLTAGE LINE

2.7K

R563

R211

270

D201

R564

MA4056MTA

2.7K

:

FM SIGNAL LINE

:

AM SIGNAL LINE

C659

16V10

C660

16V10

C201

:

SURROUND SP.DRIVE SIGNAL LINE

:

CENTER SP.DRIVE SIGNAL LINE

7.5V

-7.5V

R631

3.9K

R632

3.9K

4.7K

4.7K

R614

R615

0V 0V 0V 0V -7.5V

1

Y1 Y0

V

DD

15

0.1

B
A

R203

Z1

14 13 12

100K

R202

100K

C601

R617

53

Z0

X0X1

16V10

4.7K

A
B

100K

R204

642

INH VSS G

11

0V0V0V0V5.5V

:

SOURCE SIGNAL LINE

C202

0.1

7

8

CBA

10

916

IC201
BU4053BCFE2

SIGNAL SELECTOR

R603

3.3K

R688 1.5K

R687 1.5K

ToTUNER UINT
on SCHEMATIC
DIAGRAM- 9

T.GND

+B(1)

+B(2)

DET

Rch IN

Lch IN

CDB

14.8V

1K

Q606

C602

16V10

0V0V

R606 4.7K

W901A
15
14
13
12
11

6.2V

10

9
8
7
6
5
4
3
2
1

CP101

1
2

3

SD

4

5

R230 1K

6
7

CE

DI

DO

CL

R229 1K

8
9

10

11

7.2V

K
L
M
N
O

G

B
F
A
E
D
C

Q707
2SB1548PQAU

REGULATOR

C708

0.047

-28.1V

C706

35V10

14.8V

Q723
2SC3940AQSTA

REGULATOR

C735

0.047

7.8V

C740

16V10

R707

0.047

R764

330

D721

R763

R708

4.7K

4.7K

MA4300MTA

1/4W4.7

D737

MA4082LTA

C737

50V100

D705

RL1N4003N02

C715

25V4700

PRQ

D718

D717

Q605,606
2SD2144STA

MUTING

C731

1000P

C741

0.1

D720

D717- 720
RL1N4003N02

-34.2V-27.6V

C707

14.8V7.2V

C733

0.047

R605 4.7K

R6831KR684

0V 0V

Q605

14.2V

D719

C714

1000P

SCHEMATIC DIAGRAM- 5

IC601

MA700ATA

RSN311W64A

POWER AMP

D756

D757

MA700ATA

: POSITIVE VOLTAGELINE
: NEGATIVE VOLTAGE LINE

: SURROUND SP.DRIVE SIGNAL LINE
: CENTER SP.DRIVE SIGNAL LINE

7.5V

-7.5V

: SOURCE SIGNAL LINE

0V-61.9V 0V0V0V 0V 29.9V-30.4V0V-30.7V-61.6V0V 0V 0V 0V 0V 0V61.4V 30.2V -0.2V 0V 0V 61.5V

123456789101112131415181920212223242526 1617

0V

Q608

O
M

A

G

C648

1000P

B

A

R602

3.3K

R601 3.3K

0V

0V

Q607

0V

0.01

C705

C603 470P

4.7K

R618

R685

1K

R686

1K

Q607, 608
2SD2144STA

MUTING

6.2V

10.4V

2.1V

10K

10K

Q708 Q706

C604 470P

R604

3.3K

Q706, 708
UN4211TA

SWITCHING

0V

0V

N

470K

R627

R647

1/4W390

R691

1/2W150

R702

C704

C702

C616

50V0.47

R620
120K

R619 120K

R622 120K

R621 150K

R624 150K

R623 120K

L
K

27K

D702,704,752
1N5402BM21

D704

D752

35V4700

35V4700

6.2V

R628 22K

C622 50V100

5.3V

0V

C761

D558

MA165TA

0.1

0V

R572

R703

R704

R705

15K

1W2.2K

1W2.2K

1W2.2K

Q601 Q602

R544

10K

-61.9V

D702

C607 470P

C608 470P

C649 1000P

C650 1000P

C605 1000P

C606 1000P

R612 56K
C610 56P
R611 56K
C609 56P

R610 150K
C612 15P
R609 150K
C611 15P
R608 56K
C614 47P
R607 56K
C613 47P

R648

10K

Q601,602
2SC5398RSTA

SWITCHING

D659

MA165TA

0V

D755 D754

0.01

C618

1/4W120

0.01

C617

R571

10.2V

10K

10K

5.6K

5V

10K

Q558
UN4211TA

SWITCHING

D754,755
RL1N4003N02

D602

SB360L6508

5.3V

0V

0V

Q503
2SD2144STA

SWITCHING

D753,761
RL1N4003N02

D753D761

C703

C701

15K

R637

D703

35V4700

35V4700

D601

SB360L6508

D607

1SS291TA

0.01

C619

R638

C709

D751

D701,703,751
1N5402BM21

68K

0.1

D701

-61.9V

61.5V

B

F

A
E
G
D
C

-30.7V

30.2V

D658

D657

MA165TA

MA165TA

10.4V

14.2V

14.8V

SCHEMATIC DIAGRAM-6

MAIN CIRCUIT

B

R570

2.2M

C552

R559

0.01

4.7K

-7.5V

0.3V

Q551

10K

R557

2SA1995RSTA

SIGNAL LEVEL DET.

100K

R556

C551

D551

50V2.2

MA165TA

R546 5.6K

R551 18K

R552 47K

R553 5.6K

R554 5.6K

R555 22K

C553 50V0.47

A

5.6K

R635

2.2K

R547

C724

0.047

R719

C639

1000P

C640

1000P

C641

1000P

C642

1000P

C732

0.022

C647

1000P

3.3K

Q703
2SD2137PQTA

REGULATOR

R797

0

8.1V

C721

10V100

E601

E602

29.9V7.5V

14.8V

-7.5V

10.4V

C723

0.047

B

C

D

E

F

R729

220

14.2V

D738

D730

D725

MA165TA

Q555
2SD2144STA

SIGNAL LEVEL DET.

-7.5V

R591

4.7K

2.2K

R558

3.9K

R727

D749

MA165TA

MA4082LTA

100

R768

D760

MA165TA

R770
100K

MA4091HTA

D758

C734 50V3.3

MA165TA

7.5V

-7.5V

D552

MA165TA

10.2V

R561

MA4100MTA

C554

10V220

A
B

C

D

G

E

R767

1/4W4.7

F

CN781

1 2 3 4 5 6 7 8 9 10

1 2 3 4 5 6 7 8 9 10

W701B

R749

1K

14.2V10.4V

13.5V

D739

MA165TA

13.5V

9.6V

R765

1/2W220

: POSITIVE VOLTAGELINE
: NEGATIVE VOLTAGE LINE

R548

1K

0.01

C550

100K

D555

Q554
2SA1995RSTA

SIGNAL LEVEL DET.

D563

MA165TA

R722

Q711
2SB1548PQAU

REGULATOR

Q725
2SC5398RSTA

REGULATOR

7V

Q709
2SD2144STA

RELAYDRIVE

R738

3.9K

C564

16V10

R721

1/6W2.2

0V

7.5V

47K

R739

-30.7V

1/4W4.7

0.7V

: SURROUND SP.DRIVE SIGNAL LINE
: CENTER SP.DRIVE SIGNAL LINE

L605

B

R649

1/2W10

R650

1/2W10

L606

A

Q617, 618
2SD2144STA

RELAYDRIVE‘

R644

1/2W10

L604

E

R645

1/4W10

C625

0.047
R643

1/2W10

L603

F

R776 10K

D736

MA165TA

0V

D715

MA165TA

R766

1/2W47

6.2V

30.2V

J
N
R

Q
P

F
E

POWER SUPPLY CIRCUIT

C

Q702
2SB1548PQAU

REGULATOR

-8V

R720 3.9K

C722 16V100

-0.6V

Q705
2SA1995RSTA

REGULATOR

R667

3.9K

IH

RL701

5

6.2V14.2V

29.4V

-30.3V-7.5V

C720

0.047

-8V

R651

C627

R672

R675

1/4W10

0.1

47K

3.9K

34126

3.9K

R724

C718

10V100

0.7V

0.7V

Q618

0V

R668

47K

Q617

0V

DCFG

C710

0.047

Q701
2SD2374PQAU

REGULATOR

15.4V

C717

16V33

: SOURCE SIGNAL LINE

RL602

68

D613

MA165TA

31572 4

R652

R725

10

D723

RL605

MA4150HTA

W722

W721

C624

R723

1/4W10

0.047

1
2
3
4

1
2
3
4
5
6
7
8
9

10

5.6K

C626

R646

0.1

1/4W10

31

68427 5

R669

1/2W47

R670

1/2W47

D614

MA615TA

29.4V14.8V

C719

0.047

B
A

C
D

B

E
A

SCHEMATIC DIAGRAM- 7

A

C631

0.047

B

C635

0.047

C637

0.047

C

C666

0.047

D

C636

0.047

C632

0.047

R642

R640

1/2W10

1/2W10

L601
R639

C620

1/4W10

0.047

R641

1/4W10

C621

0.047

L602

C

D

SPEAKERS
ToSB-EH760

JK601

HIGH(6

MID(6 )

LOW(8 )

JK602

HIGH(6 )

MID(6 )

LOW(8 )

: POSITIVE VOLTAGE LINE

AC IN CIRCUIT

D

Q726
2SC3940AQSTA

REGULATOR

10.9V6.2V

)

Lch

Rch

R774

1/2W18

R773

1/2W18

D711

RL1N4003N02

0.01

C754

ACB

6.2V

C759

10V47

14.2V

6.9V

C753

D500

R771

2.2K

MA165TA

: NEGATIVE VOLTAGE LINE

D746

RL1N4003N02

0.01

C758

D744

D742

0.01

RL702

3 1

0V

0.7V

Q791
2SD2144STA

RELAYDRIVE

MA165TA

D741
D743

D740

R777

D747

T702

24

1K

MA4068LTA

D741-744

RL1N4003N02

C755

16V1000

F1 TA2

C791

1000P

47K

R794

D745

MA4051MTA

: SOURCE SIGNAL LINE
: SURROUND SP.DRIVESIGNAL LINE
: CENTER SP.DRIVESIGNAL LINE

A

C652

1000P

C651

0.047

B

C644

1000P

C646

0.047

C

C643

C645

0.047

1000P

JK701

L701

Z701

R795

3.9K

22K

R772

JK603

CENTER

)

(8

Rch

SURROUND

)

(8

Lch

AC IN

230V 50Hz E,EG
230- 240V 50Hz EB

W2/W3

W1

POWERTRANSFORMER

E

(A)

CIRCUIT

W722
1
2
3
4

1
2
3
4
5
6
7
8
9

10

W721

A
B
C
D
E

F
G

R791, 792

RSFMB40KT-L

R791

R792

R793

1

AC

23.3V

AC

23.3V

GCFBA DE

AC
12V

1

1

AC30V

CN701

CN702

CN703

CN704

CN705

CN706

CN707

CN708

CN709

CN710

AC

4.8V

A

AC
12V

111098765432 12

111098765432 12

B

CN601

1

1

CP601

CDE FG

T701

CN602

765432 8

765432 8

CP602 CP603

POWERTRANSFORMER

F

(B)

CN711

CN712

CN713

4

4

CIRCUIT

13 2

13 2

CN603

W1

W3

W2

For E,EG areas.

For EB area.

SCHEMATIC DIAGRAM-8

FM ANT

(75 )

AM ANT

EXT

LOOP

Z120 TUNER UNIT(RAN0005EM)

2SK360

2.7K47P

5P ~ 12P

33K

RF AMP

5P

100K

100K

0~5P

22P 15P

22P0.022

0.47 H

0.47 H

6 ~ 220

1P ~ 5P

0.022

2P

100

2SK360

FM OSC

100K

:POSITIVE VOLTAGE LINE

6P ~ 10P

33K

33K

2SC2413

BUFFER AMP

8P

27P

10K 10K

:FM SIGNAL LINE
:FM OSC SIGNAL LINE

2SC2059

1 H

1000P

330

FM MIXER

680

820K ~ 2.2M

4P

27P

1P ~ 5P

2P

220

0.022
5P

18P

2.2K

680 ~

A

:AM SIGNAL LINE
:AM OSC SIGNAL LINE

10K

0.022

0 ~ 220

150

0.01

0.022

100

100

0.01

10K

5.6K

1000P

27P

10P ~ 33P

330P ~

580P

0.047

7.2MHz

100K

3.3K

10K

5 ~12P

22

10K

4.7

560

A OUT

DI

1K

AIN

CL

1K

27P~ 33P

20 19 18 17 16 15 14 13 12 11

Vss

X OUT

XIN

CE

1 2 3 4 5 6 7 8 9 10

1K

1K

ABCD

C

B

D

DZS5.1B

DD

PD

V

LC72131M

PLL FREQUENCY
SYNTHESIZER

DO

B01

470

FM IN

B02

1K

AM IN

B03

0.58

1000P

I02

B04

H

1000P

100

I01 IF IN

10K

22K~100K

100P0.01

390

220

27K

A

B

C

D

E

F

SCHEMATIC DIAGRAM-9

:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE

10K

0.01

270 ~ 680

LA1833MN

FM/AM IF AMP,

1K ~ 10K

DET/AM OSC,MIX/FM MPX

3.3
1000P

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

AM OSC

AM OSC OUT

A
D

B
C

AFC

1000P

270K ~ 680K

47K

AM RF IN

2SC2413

FM IF AMP

4.7

AGC

330

0.01 ~ 0.068 10K ~ 100K

AM OUT

10P ~

39P

100P ~ 1000P

330

DET OUT

270K ~

680K

2SC2413

FM IF AMP

1022K4.7

1K ~ 10K

150P

PILOT IN

DTA114

POWER SUPPLY
(FM:ON)

68K 0.1

0.018

1000P ~ 0.01

0.018

MPX IN

PILOT OUT

Rch OUT

Lch OUT

1K1

11K

100K

100K

B

4700P

A

4700P

4.7K ~ 22K

100

AM MIX OUT

REG

1

GND

AM IF IN

0.01

FM IF IN

1 2 3 4 5 6 7 8 9 10 11 12

22

0.1

0.022

ST

SD

470

470

AB

FM DET

5 ~ 150

1000P

Vcc

0.1

470

STRQ

FM/AM

2.7K 1

MONO

1

0.47

3.3K

2SC2712

SWITCHING

1K ~ 10K

68

BADFC E

A

B

A

B

A
B
D
C

11

CL

DI

DO

CE

Lch OUT

Rch OUT

B

To MAIN CIRCUIT(CP101)
on SCHEMATIC DIAGRAM-4

DET

+B(2)SD+B(1)

13 245678910

T.GND

No.1

2SA1995RSTA
2SC5398RSTA

B

C

E

SB360L6508

A

Anode

BU4053BCFE2
LC72721NMTLM

Ca

Cathode

16PIN
20PIN

2SC3940AQSTA

E

C

B

1N5402BM21
RL1N4003N02

Ca

Cathode

A

Anode

LC8A524A5N28

51

50

.

.

.

.

.

.

.

.

.

.

.

.

.

80

.

.

.

81

.

.

.

.

.

.

.

.

.

.

.
100

1

2SB1548PQAU
2SD2374PQAU

B

C

E

A

Anode

.

.

.

.

.

.

.

.

Ca

.

31

.

30

Cathode

RSN311W64A

1

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

2SA1995RSTA
2SC5398RSTA
2SD2144STA

B

C

E

MA4030MTA
MA4051MTA
MA4056MTA
MA4068LTA
MA4075MTA
MA4082LTA

26

E

C

MA4091HTA
MA4100MTA
MA4150HTA
MA4300MTA

A

Anode

LNJ301MPUJAD

Anode

A

Cathode

B

Ca

Ca

Cathode

2SD2137PQTA
UN411FTA
UN4115TA
UN4211TA
UN4212TA

MA165TA
MA700ATA
1SS291TA

A

Anode

SELS5223C
SELS5923C

Anode

A

Ca

Cathode

Cathode

Ca

SPEAKERS

12

.
.
.
.
.

CP601

.
.
.
.
.

1

8

.
.
.
.

CP602

.
.

1

4

.

CP603

.
1

MAIN P.C.B.

B

. .

W722

1

. . . . . . . .

1

W721

To SOUND PROCESSOR

Z120

TUNER

UNIT

1

.
.
.
.
.

CP101

.
.
.
.

11

. . . . . . . .

2

. . . . . . . .

1

15

14

W902A

CN781

. . . . . . . .

1

20

19

. . . . . .

1

. . . . .

2

15

14

10

. . . . . . . .

1

10

W701B

W501

4

10

W901A

. . . . . .

1

. . . . .

2

1
4

1

.
.
.
.
.
.

8

1

12

.
.

.
.
.
.
.
.
.
.
.
.

CN603

CN602

CN601

POWER
TRANSFORMER

E

(A) P.C.B.

POWER
TRANSFORMER

F

(B) P.C.B.

T702

(Power

transformer)

AC IN P.C.B.

D

W2/W3

. . . . . . . .

1

W721

For [EB]
area.

W1

BROWN

W1

10

. .

1

4

W722

T701

(Power transformer)

W3

W2

BLUE

For [E,EG]
areas.

POWER SUPPLY P.C.B.

C

W902B

15

.

14

.

.

.

.

.

.

.

.

.

.

2

1

15

.

14

.

.

.

.

W901B

.

.

.

.

.

.

2

1

OPERATION P.C.B.

A

CENTER/

SURROUND

SPEAKERS

AC IN