Technics SLEH-790-E Schematic

SCHEMATIC DIAGRAM-1

OPTICAL PICK-UP

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.

CD SERVO CIRCUIT

A

:CD PLAYBACK SIGNAL LINE:POSITIVE VOLTAGELINE

H

A

B

5.6P

2.2P

789101112

B

LP

LDG

LPD

GND

1000P

Vcc

A B

H

C D

E

F G

H

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16

F E

LD

LD.GND

GND

B

GND

A

VREF

LPD GND

-

T T+ F

-

F+

F

Vcc

GND

G

E

VREFANC

2 3 4 5 6

1

CDEFG

F

TRACKING

COIL

FOCUS

COIL

E

10 11 12 13 14 15 16

1 2 3 4 5 6 7 8 9

CN701

Q701 2SA1037AKTXR

LASER POWER DRIVE

R701

4.7

0.1

3.3V

(2V)

1V

R750

5.6

C770

2.8V (2.5V)

0.1

C713

A B

C

D

E

ABCD

ABCDE FG

R742

10K

C714

6.3V100

C701

6.3V33

(3.3V) (0V)

LDON

GND

17 18 19 20 21 22 23 2524 26 27 28

1K

R739

OFTR

/RFDET

PLAY

0.4V P-P

2ms. 0.1V/DIV.

EQBST

VREF

1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 0V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V

C749

4.7K

3900P

R702

C712

0.1

R738 6.8K

C711 0.1

R737 6.8K

VREF

BDO

TE IN

C710 470P

R705

R704

39K

1K

R743

OFT CONT

TE OUT

4.7K

C706

1

DCDET

FE IN

C742

0.047

C747 470P

R744

39K

R706

1K

C707

0.039

CEA

3TOUT

2ms. 0.1V/DIV.

FE OUT

GCTL

PLAY

C716

R708

(TP30)

0.1

C705

ARF

0.1V P-P

FBAL

0

R707

6.3V100

TP29

RF

C702

0.47

(1.1V) (2.5V) (0.2V)

RF IN

CAGC

PLAY

0.5 s. 0.2V/DIV.

PDE

TBAL

EQSW

RF OUT

IC701

0.7V

AN22004A-NF

P-P

SERVOAMP

PDD

PDF

29 30 31 32

ABDCC

0.1

C703

C704

680P

Vcc

PDB

LD

PDC

0V2.8V3.3V1.8V1.8V0.5V1.4V1.2V1.4V1.7V3.3V0V0V3.3V0V

12345678910111213141516

LPD

PDA

E

D

C

B

A

M701 TRAVERSE MOTOR

M702 SPINDLE MOTOR

M

TP38

C736

TP37

TP35

C737

IJKLM

C751

0V

D4-

D1+

0.1

(0.4V)0V(0.4V)

0V

D4+

D1-

IC703 AN8739SBTE2

FOCUS COIL/ TRACKING COIL/ TRAVERSEMOTOR/ SPINDLE MOTOR DRIVE

NC

TP15

C734

PGND2

PGND1

10V220

C735

PVcc2

PVcc1

7.5V

0.1

GND

10

R736

BA

23 24 25 26 27 28

22

NC

Vcc

IN1

NC

6 5 4 3 2 1

7

5.6K

R723

IN4

VREF

PC2

NC

1.7V1.7V 1.7V1.7V3.3V (0V)

100

R735

R725

R715

560

2.7K

1.7V1.7V1.7V7.5V7.5V0V

C715

0.22

RST IN

NC

C738

0.047

NC

/ RST

C752

0.01

R727

A

1.5K

R749

B

1.5K

R729

18K

R731 22K

C739

0.01

R728

18K

N O P Q H

IN3

IN2

BADC

C750

0.1

(0.4V)

0V

15 16 17 18 19 20 21

D3+

D3-

D2-

D2+

D

0.1 C

B

0.1 A

14 13 12 11 10 9 8

0V 0V 0V0V

(0.7V)

AB DC

LD

Vcc

EQSW

IC701 AN22004A-NF

SERVOAMP

PDB

PDD

29 30 31 32

PDC

C

12345678910111213141516

0V2.8V3.3V1.8V1.8V0.5V1.4V1.2V1.4V1.7V3.3V0V0V3.3V0V

LPD

PDA

3.3V

0.1

C781

PRQOABCDK

(0.4V)0V(0.4V)0V(0.4V)0V(0.4V)0V(0.4V)

3.3V 0V

A3

A2

VDD

SS

V

A4

14 15 16 17 18 22 23 24 25 26

0V 0V 0V 0V 0V

(0.4V) (0.4V) (0.4V) (0.4V) (0.4V)0V(0.4V)

C733

0.1

0V

DV

DD2

1.7V SPOUT

820

(0V)

(3.3V)

C717

1.7V

3.3V

1.7V

3.3V

1.7V

1.4V

3.3V

1.4V

0.1

22

TRVP

23

TRVM

24

TRP

25

TRM

26

FOP

27

0V

FOM

28

IOV

29

TBAL

30

FBAL

31

FE

32

TE

33

RFENV

34

0V

OFT

35

NRFDET

36

0V

BDO

37

0V

LDON

38

ARF

39

1V

IREF

40

C744

0.015

C741 1000P

DD1

P H Q O

N

E

K

M L J

I F D C E B G A

R711 82K

C718

0.082

R709

100K

R712

A1

A5

A6

ABCDEFGHI JKLMNOPQR

(0.4V)

0V0V0V0V0V0V0V0V0V0V0V0V0V

A2

A3

DVSS2

PLAY

0.5 s. 0.2V/DIV.

PLAY

1kHz, 0dB

CC

AD PV

DSLF

RFSW

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

0V

1.4V

1.7V

8 6

A0

A10A8

IC704 C3ABMB000027

16M DRAM

A7

19 21

(0.4V)

A8

A7

A6

A5

A4

A9A0A1

IC702 MN6627931BD

SERVO PROCESSOR / DIGITALSIGNALPROCESSOR / DIGITALFILTER& D/A CONVERTER

PLAY

0.7V

F=75Hz

PLLF

P-P

PLLFO

1.7V

2.2V P-P

3.3V

DD2

AV

SS2

AV

OUTL

1.5V

R721

PLAY

T 13.3ms.

PLAY

T 13.3ms.

SS1

OUTR

AV

1.5V

3.3V0V3.3V

4.7

DD1

AV

3.3V 3.3V 0V 0V 3.3V

NCA9

NRAS

NOE

(0.4V)

(1.7V)

3.3V

D3

D2

A10

NCAS0

3.3V

0V

3V

0V

3V

0V

DD3

DVss3

FLAG

DV

TMOD2

0V0V0V

NWE

NCAS

3.3V 0V 0V

(1.7V)

(1.7V) 0V

3.3V

0V

D1

NWE

NRAS

EXT1

EXT0

EXT2

3.3V

(1.7V) (1.7V)

DQ1

DQ2

(1.7V) (1.7V)

3.3V 1234567891011121314151617181920

DD

D0

DRV

DV DVss1

IN X1

OUT X2

NTEST TXTCK

DQSY

PMCK

SPPOL

NRST

SBCK SMCK

PWMSEL

BLKCK

MDATA

MCLK

DD2

IOV

TX

1.6V

MON

DD1

TXTD

STAT

MLD

6.3V220

MNLEJIHGF

DQ0

DQ3

C730

0.1

C731

8021 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61

12345910111213

DD

V

SS

V

0V 0V

3.3V

2.9V 0V(3.3V)

3.3V 0V

2.9V 0V(0.3V)

2.9V(2.7V)

TP3

C748

0.1

C757

6.3V100

C758

0.1

C746

0.1

C782

0.1

R720

C721

12P

220

R714

1M

A

G

X701

(16.9MHz)

C722

12P

0.01

R728

18K

0.1

C729

C755

C753 470P

C743

0.1

S701

N O P Q H

(REST SW)

CN702

TP1

A

L701

7.5V

TP2

1

32 4 5 6 7 8 9 10 12 13

LRCK

IPFLAG

REST SW

CD DATA

BBCCDDEEFFG

10

R753

C780

0.1

STAT

/ RST

384fs

BCLK

B

To MAIN CIRCUIT(CN402) on SCHEMATICDIAGRAM-3/17-A~C

BLKCK

MLD

MDATA

0.1

C740

MCLK

R760

P.GND

100

JKLMI

H

3.3V

TP16

TX

+7.5V

0.1

C723

C724

DI LRCK

6.3V220 N

M

1K

R718

C726

1000P

50V1

C728

TP22

19 20 21 22 2311

+3.3V

LD SW

DI SCK

DI DATA

Rch OUT

H

JKL N I

D.GND

R717

C727

A.GND

1K

50V1

241817161514

C725

1000P

Lch OUT

TP24

SL-EH790(E) CD SERVO CIRCUIT DIAGRAM

121110987654321