Technics SJMJ50ED Schematic

MD OPTICAL PICK-UP

:POSITIVE VOLTAGELINE :PLAYBACKSIGNAL LINE

TRACKING

H

G

F

E

D

VW

C

TRAVERSE

VW

B

FOCUS

COIL

270

14 13 12 11 10

B

APC

VREF

PD GND

1 2 3 4 5 6

1

G

SPINDLE

MOTOR

U

MOTOR

U

TP401 TP402 TP403 TP404

FCS

-

A D

B C

CDEFA

B

0.022

9 8

A

F2

F1

LDC

D

RF1

RF2

I

H

JK

CP301

1 2 3 4

CP302

1 2 3 4

Vcc LD GND

7

L

A B

C D

A

B

C D E F G H

J K L

0.1

0

F H G E

C D A B

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16 17

I

18 19 20 21

A B

C

R301 10K

D E F

R303 6.8K

G H

TRK+ TRK FCS+

GGND1

APCGND

APC

LDGND

LD

GGND2

A F1 F2

B

VREF

RF2 RF1

PDGND

D C

Vcc

CP1

1 2

3

4 5 6 7 8 9

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

2.2V 13

0.6V 14

0.6V 15

2.2V 16

2.2V 17

0.6V 18

0.5V 19

1.1V 20

0.4V 21

0.3V 22

0.2V 23

2.2V 24

SUCO SUO SVO SVCO SWCO SWO SCOM WOUT VOUT COM UOUT FG

TP449

2.2V

DBAC

2.2V

1.4V

0V

101112 4567

9 12

VS

BRK

MODE

PGND4

IC301 C0GBZ0000009

FOCUS/TRACKING COIL, TRAVERSEMOTORDRIVE, SPINDLE MOTOR DRIVE, ROTARYDETECTOR

VS

S2

RF

S3

25

2.2V

1.4V

E

R117 100

0V 8

2.2V

CLK

S1

2.2V

0V

Vcc

PWM

C311 0.22

1.8V

VG

GND

5.6V

0.3V

C A B D

A

B

C D E F G H

I

J K L

C310 0.22

2.2V

CPC2

FIL

3328

0.6V

2.2V 3

CP2

CPC1

COMIN

VCOIN

0V

3534323130292726

C309 0.22

0V

0V0V

CP1

VCO

0V

36

0V

IN1R

RMAX

R302

1

OUT1F

OUT1R PGND1 OUT2R

OUT2F

MUTE

IN2R

IN1F

S/ S VS1

VS2

IN2F

2.2V

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

0V 0V

1.4V 0V

0.7V

1.4V 0V 0V 0V

C307

IC1 C1BB00000640

RF AMP

0V

1

2.2V

C8

I

H

D

E

C

F

K

P

F

4.7

G

H U

A B

C D

T I J

1.4V

J V W

R

R4

100K

Q

L

2.2V

Q1 2SB1295-6-TB

LASER POWER DRIVE

B A G

Q5 XP152A12C0MR

POWER SUPPLY

R9

82K

TP405

4.7

C28

R5

2.2V

1.8V

D

2.2V 0V

G

2.2V

S

XY

C7

0.22

4V22R2470

TP406

1

C9

0.01

C24

0.01

C5

1.5V

0.22

C1

3300P

C130

R116

R8

470K

39K

R115

S

2

1.1V 3

1.1V 4

2.2V 5

0.7V 6

0.7V 7

0.9V 8

0.9V 9

0.9V

10

0.9V

11

0V

12

0V

13

0V

14

15

1.5V

16

0V

17

0V

18 19

1

10K

PPIT

RVcc

RF1

RF2

Vcc

0.5 s. 0.1V/DIV.

F1

F2

A

B

C

D

GHSW

BWCT

SETR

GND

LDO

LDS

LDREF

PLAY

0.5 s. 0.1V/DIV.

PLAY

0.5V P

-

P

0.25V P-P

BOTTOM

TP407

RFO

EQI

EQO

PHC

BHC

HFL

PEAK

RGND

FF1

FF2

WOO

36

35

34

33

32

31

30

29

28

27

26

AA

25

BB

24

CC

23

DD

22

21

VR

20

VC

1.1V

0.6V

0.8V

0V

1.4V

1.1V

1.5V

0V

1.1V

R7

22K

C3

C4 0.22

C2

1

C13

1

2P

C116

8200P

R113

C20

10K

4.7

11K

R1

R3

C10

390

10P

A

B

C

D

E

F

G

H

I

J

C306

2200P

C305 2.2

R305 39K

C304 3300P

NO

TP417

MLK

C330

1

A

SJ-MJ50(EB) CIRCUIT DIAGRAM

123456789101112

A

B

C D E F G

H

I

J

R610

C402

:POSITIVE VOLTAGELINE :PLAYBACKSIGNAL LINE

C601

10K

2.2V

DD

V

0.9V P-P

ELON

2.2V

C203

2.2V

VREF+

R609

4.7

VPP

PLAY

F=4MHz

FOK

2.2V

220P

C602 220P

22K

C204

1.4V

OUTC

SHOCK

54 5551

0V

R603

47K

C605 100P

R607

39K

C606 100P

4V10

C609

0.1 10K

R201

C202

47K

100P

R202

C201

(AN5)

0.01

(AN4)

1.4V P-P

DATA FLASH

C220 100P

2.2V

1.4V

-

BATT

(AN3)

VREF

KEY IN

REM KEY

LED CNT

TEST OUT

ADJ OK EEP CS EEP CK

EEP DATAO

EEP DATAI

MUTE MODE

MUTE B MUTE A

DOCTOR

MODEL2 MODEL1

(MOD CNT)

P.CONT

RFCONT

ST READ

CLK FLASH

LSI STATUS

SP STBY

PPIT

DRV STBY

60

59585756535250494847464544434241

0V0V0V

TUV WY

2.2V

TP421

HOLD

LDON

GHSW

4 3 2 1

1.1V 1.1V 1.1V 2.2V

2.2V

R203

220

2.2V

80 79 78

0V

77

0V

76

0V

75

0V

74 73

2.2V

72

0V

71

2.2V

70

2.2V

69

R223 100K

0V

68

R222 100K

2.2V

67

2.2V

66

0V

65

0V

64 63

0V

62 61

O N

M

47

2.2V

C117

1000P

C105

R112

220K

4.7

ABCD

2.2V

1.3V

0.1

C107

6.8K

R103

TP411

0.1

C113

C108

1000P

C102

0.01

R102

2.2K

C103

1

C106

0.1

C101

0.01

47K

R104

R101 6.8K R108 15K

TP408

L401

R120

47K

1.3V

2.2V

1.1V

2.2V

1.4V

1.1V

1.5V

2.2V

120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100

Vss

V

DD

1

0V

SLCO

2

SLCISET

3

EFMIN

4

TEST1

5

RESETB

6

0V

HFL

7

0V

PDO

8

VCVDD

9

0V

FR

10

0V

ISET

11

VCVss

12

AV

DD1D

13

PEAK

14

FF1

15

FF2

16

AA

17

BB

18

CC

19

DD

20

DD1

AV

21

AVss1

22

0V

ADIPWO

23

NC

24

NC

25

NC

26

0V

SIN

27

SOUT

28

SCLK

29

Vss

30

VDDNCLDREFNCNCNCMRASB

31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

1.3V

4.7

C406

0V

2.2V

0V

TEST2

SMON1

SMON0

SHOCK

0.5 s. 0.1V/DIV.

FX

PLAY

2.2V

SMON3

SMON2

0.7V

-

P

Q403 XP152A12C0MR

POWER SUPPLY

NC

P

MWEB

C407

MAD10

Vcc2

2.2V

4.7

MAD1

MAD0

MD1NCMD0NCPCK

L403

2.2V

NC

Vss

Vcc2

MAD4

MAD5

MAD3

MAD2

IC101 C1BB00000639

DIGITALSERVO PROCESSOR

Vcc2

Vss

DEFECT

2.2V

D

2.2V 0V

G

2.2V

S

AB

MAD6

MD3NCMD2NCVss

D406

MA2YD2100L

1.5V

NOPQ L

2.2V

1V

1.1V

1.1V 96 95 94 93 92 91

99 98 97

NC

BCO

MAD7

MAD9

MAD8

PLAY

0.2 s. 1V/DIV. PLAY

1.4V P-P

F=16.9344MHz

PLAY

0.5V P

-

F=16.9344MHz

PLAY

2.2V

T 10ms.

0V

MCASB

MOEBNCNC

D

0V G

S

Q402 XP152A12C0MR

POWER SUPPLY

P

DDATA

2.1V

0V

C115

LRCO

2.2V

0.1

ENH

XOUT

TEST3

SPPWMF

0V

R402 470K

XIN

Vcc2

TRPWMR TRPWMF FOPWMR FOPWMF

SLPWMR SLPWMF

Vss

SPPWMR

0V

DDOUT

1M

R106

AVss

OUTR

OUTL

AVDD

F16M

FSEQ

INTB

WRQB

FAST

SLD3 SLD2 SLD1 SLD0

Vcc2

Vss

V

FOK

DO

CE

CL

DD

VP

FG

X101

(16.9344MHz)

90

1.1V

89 88 87 86

2.2V

85

0V

84 83

2V

82

0V

81

2.2V

80

2.2V

DI

79

0V

78

2.2V

77

1.3V

76 75

2.2V

74 73

2.2V

72

0V

71

0V

70

0V

69

0V

68

2.2V

67

2.2V

66

2.2V

65

2.2V

64

2.2V

63

2.2V

62

2.2V

61

Q1

Q4

0.1

C608

X201

(4MHz)

BUZZER RST

SETR

BWCT CHARGE

(LD PWM) DCIN WAKEUP INTB WRQB OPEN SW

SSDW

SSDR

SSCLK

SELAD

RESETB

2.2V1.1V1.1V1.1V1.1V

/ CLR

Vcc

2.2V1.1V1.1V1.1V1.1V1.1V

4V10

C607

2.2V

19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

20

MMOD

LINK IN

REM DATA

PLAY

T 10ms.

ZDTCL

ZDTCR

BATTSW

0V

C221

1000P

8 7 6 5 4 3 2 1

D2

D3

CD

D1

/Q1

/Q4

D4

21 22 23

0V

24

2.2V 25

0V

26 27

0V

28

2.2V 29

0V

30

0V

31

2V

32

0V

33

0V

34 35

2.2V 36

2.2V 37

2.2V 38

0V

39

2.2V 40

Q2

Q3

DD

V

23

RSTGND

1

R209

10K

TP427

0.47

C211

/Q2

IC601 C0JBAF000439

D-TYPE FLIP FLOP

/Q3

2.2V

0.01

C210

GND

CK

9 10 11 12 13 14 15 16

L Q P

470

R611

R109 3.3K

E F G H

I

J

K E O G H J I A B C N M

L

D K

P

Q R

S

E F

H G

J I A

D C K

B

M

C214

(COVER OPEN/

CLOSE DET.)

0.22

IC203 C0EBC0000032

RESET

NC

4

0.22

C215

S207

R216 220K

R601

1V

XI

XO

Vss

OSC2

OSC1

PLAY

F=4MHz

IC201 MN101C32GAF2

SYSTEM CONTROL

2.2V 0V

REM WUP

PLAYKEY

2.2V

SX206

(/)

C603 100P

R605

39K

1.1V 1.1V 1.1V

C504

R606

1

39K

C604 100P

L M J F E K

IC202

R215

AK93C45BH-L

22K

EE PROM

CS Vcc

1

0V

CLK

2

0V

DI

3

0V

DO

4

GH I

IC602 NJU7015RTE1

BUFFER AMP

8765

NC

GND

TP428

ON OFF

0.01

C212

C506

2.2V0V

8

7

6

5

R208 220K

S208

(HOLD)

1

A

B

C

L201

SJ-MJ50(EB) CIRCUIT DIAGRAM

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

:POSITIVE VOLTAGELINE :PLAYBACKSIGNAL LINE

K J H

I

0V

2.2V

18 17 16 15 14 13

C509

1.4V

1.5V

0V

4.7

G

C503

0.47

R507

10

Q406 2SB1218ASTX

POWER SUPPLY

MA2Z74800L

D

1.4V

Q401 B1CFNC000001

SWITCHING

S

R406 470K

R207

470

1.2V MT TC

19

2.2V Vcc1

20

0.6V IN L

21

0.6V IN R

22

0V

BEEP OUT L

23

0V

BEEP OUT R

24 7

C523

0.1

C405

L402

D405

270K

R404

D404

MA2Z74800L

Q407 2SB1218ASTX

BATT.CHARGE CONT.

2V

Q405 XP151A13A0MR

BATT.CHARGE CONT.

MT SW

PW SW

BST SW

IC501 TA2131FL

POWER AMP

Vcc2

OUT R

C507

S

D

0.6V

2.5V220

R401

1V

R405

4V33

C404

0V

PWR GND

C508

2.2M

1M

R218

1 2 3 4 5 6

1.4V

6.3V10

1.4V

0.1

C410

2.2V

0V

G

R509

2.2V

R413

220

R504

33K

22K

RX206

6.8K

RX205

3.3K

R204

C403

33P

R412 680K

470K

1 2 3

EXT

5 4

0V

10K

R407

10M

R512

R506

C511

330P

C512

SX204 ()

SX203 ()

S202

(VOL-)

SX201 (VOL+)

TP429

2.2V

D401

B0JCMB000001

IC402 C0DBAFZ00021

DC-DC CONVERTER

1.4V2.2V0.9V

CEVOUT

VDD

GND

Q408 XP4601TX

BATT.CHARGE CONT.

0V

2.2V

0V

2V

1.9V0V

C

A B

L

M B

G

A C

D

470K

R403

E

F

4.7

C517

0.6V

0V

GND

BEEP IN

OUT L

0.6V

2.5V220

1 2 3

EXT

5 4

Q202 B1ADNB000003

POWER SUPPLY(REMOTE)

27K

VREF

VREF IN

LPF1

BST NF1

LPF2

BST NF2

BST OUT

DET

AGC IN

0.6V

L501

0.22

C515

L502

0.22

C516

D402

MA2YD2100L

IC401 XC6367A151MR

DC-DC CONVERTER

1.5V 2.2V 2.2V

CEVOUT

VDD

GND

0V

Q404 B1CFNC000001

SWITCHING

2.2V

2.2V R221

10K

R219 100K

2.2V

Q201

C206

2SD1819ASTX

100P

POWER SUPPLY CONT.(REMOTE)

0V

12

11

10

9

8

B

A

G

TP437

0.6V

D

S

L406

0V

1.4V

C505

4V10

RX214

2.2V

Q203 DTC114YETL

LED DRIVE

TP436

220

C411

0.01

C412

TP430

0.01

A B

10V22

CX413

C401

R408

C502

0.1

TP439

TP440

2.2V

5V

0V

TP431

4V33

TP443

100

CP201

0.01

C415

0

R410

ICX403 XC6372C501PR

DC-DC CONVERTER

LX

CE

3

V OUT

2

1

DX403

MA2YD2100L

LX405

Z401

Z402

GND

6

5

LED UNIT

4

3

2

121

BATTERYCASE

CHARGING CONTROL TERMINAL

L

R G G S K

4

5

1 RECHARGEABLE BATTERY 1.2V

1.4V

DX802

(ILLUMINATION)

1 LR6 (UM-3,AA SIZE) BATTERY 1.5V

JK501 HEADPHONES

3.5mm STEREO 22

H

G

F

E

D

C

B

A

SJ-MJ50(EB) CIRCUIT DIAGRAM

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