Technics SLPG-3 Schematic

SCHEMATIC DIAGRAM-1

NOTE:
The number which noted atthe connectors on the schematicdiagram as
"SCHEMATICDIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serialnumber located on the leftcorner in the schematic diagram.

CD SERVO CIRCUIT

OPTICAL PICKUP

0.1

8

3

LD

11

12

2

10

5

4

9

6

1 2 3 4

Vcc

BIN

GND

NBOUT

GND

NAOUT

8 7 6 5

AIN

VREF

1K

680P

680P

0.047

A

Q701
2SA1037AKSTX

4.7

LASER POWER

R701

DRIVE

(2.3V)

3.3V

C750

0.1

R754

5.6

A

B

C

D

E

C751

0.1

CB A

2.7V

0.9V

(2.5V)

D
E

C
A
B

C712

0.1

C711

0.1

22K

R708

TP42 TP40

1.6V 3.3V1.6V 1.6V 1.6V

Vcc

PDF

PDE

FBAL

TBAL

VREF

1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 0V 3.1V

C749

2200P

39K

R707

HGFEDC

I

CN701

Vcc

1

1

PDF

2

2

PDE

3

3

LD

4

4

LD

GND

5

5

GND

6

6

NB

7

7

GND

8

8

NA

9

9

VREF

10

10

LPD

11

11

GND

1212

T-

13

13

T+

14

14

F-

15

15

F+

1616

D

:POSITIVE VOLTAGELINE :CD PLAYBACK SIGNAL LINE

C701

6.3V33

0.5 s. 0.2V/DIV.

IC701
AN8885SBE1

SERVOAMP

PDA

PDB

FEN

FEOUT

C747
180P

R744
120K

R702

1K

R706

PLAY

0.8V
P-P

(0.2V)0V(2.3V)

2.7V

LD

LPD

TEOUT

TEN

C710
120P

10K

TP33 TP32

R705

R704

150K

1K

PLAY

2ms. 0.1V/DIV.

3.3V

3.3V

(RF)

TJ701

0.1

C706

C702

2700P

(1.4V)

0.9V 0.7V 2.1V

RF

EQSQ

RFIN

GCTL

0V

0.6V
P-P

(2.3V)

CSBRT

ENV

TP51

C707

0.027

1.6V 0V

CEA

DEFLVL

C742

0.027

C704

0.1

BDO

OFTR

C703

6.3V100

(3.1V)

LDON

PDOWN

C716
820P

B

A

0V

1413121110987654321

GND

/RFDET

1516171819202122232425262728

(0V)

M701
TRAVERSE
MOTOR

M702
SPINDLE
MOTOR

TRACKING
COIL

FOCUS
COIL

M

M

TP39

C737

TP38
TP37

C736

TP36

0.1

VREF

0.1

C713

C714

6.3V100

IC703
BA5948FPE2

FOCUS COIL/

PGND2

PGND1

7.3V

TRACKING COIL/
TRAVERSEMOTOR/
SPINDLE MOTOR DRIVE

22

GND

GND

NC

NC

7

NC

NC

BADC

(3V)

3.3V 3.3V 3.3V 3.3V 7.3V 7.3V 1.6V

15 16 17 18 19 20 21

D3+

D3-

D2+

14 13 12 11 10 9 8

A

0.1
B

C

0.1
D

3.3V 3.3V 3.7V

AB DC

D4-

D1+

D2-

(3.5V) (4.1V)

(3.3V)

C734

7.3V 1.6V 1.6V

D4+

PVcc2

PVcc1

D1-

3.7V

0.1

C735

10V220

PLAY

0.2V

2ms. 0.1V/DIV.

23 24 25 26 27 28

NC

NC

6 5 4 3 2 1

10K

R723

P-P

100

R736

NC

Vcc

PC1

NC

(0V)

100

R735

7.3V

R724

15K

VREF

IN1

R725

680

R715

1K

IN4

PC2

C715

2700P

C738

BA

0.056

IN3

IN2

1.6V1.6V3.2V

R732

1K

C752

R727

1500P

R731 10K

2.7K

A

B

2.7K

R729

A

R728

C739

2200P

R749

2.7K

2.2K
B

C
D
E
F
G

SCHEMATIC DIAGRAM-2

:POSITIVE VOLTAGELINE :CD PLAYBACK SIGNAL LINE

0.1

C724

C723

10V220

0.22

C769

3.3V

1.5V

C722

82K

10P

X701

(16.9344MHz)

F=16.9344MHz

C718

0.22

0.1

C717

R712

R709

47K

220

C744

R714

100

1.3V
P-P

5600P

C721

R741 47KR711

10P

R742

220K

1.5V

3.3V

1.6V

1.6V

1.6V

2ms. 0.1V/DIV.

1.5V

0V

1V

PLAY

D750

MA8056MTX

3.3V

R761

4.7K

0V

61

62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

CLVS

FCLK

FLAG

BYTCK

VDD

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

X2 OUT
X1 IN
Vss
SBCK
SUBC
VCOF2
PCK
EFM
AVss2
AV

DD2

VCOF
PLLF
DSLF
DRF
IREF
ARF
WVEL
DSLF2
PLLF2

0.4V
P-P

LDON

0V(3.1V)

/CLDCK

BDO

0V

IPFLAG

F=16.9344MHz

T 13.3ms.

PLAY

0.5 s. 0.2V/DIV.

VDET

OFT

TRCRS

/RFDET

0V

3.3V(0V)

R721

C731

6.3V220

C730

0.1

470P

C754

3.3V

3.3V

CRC

RESY

/TEST

IOSEL

DEMPH

0.6V
P-P

PLAY

0V

IC702
MN662790RSC

SERVO PROCESSOR/
DIGITALSIGNALPROCESSOR/
DIGITALFILTER/
D/A CONVERTER

0.8V
P-P

FBAL

TBAL

FE

TE

RFENV

1.6V

1.6V

1.6V

1.6V

1.6V

100

2.9V

1.5V

DD1

OUTL

AV

PLAY

T 13.3ms.

3.2V

PLAY

F=75Hz

FOD

VREF

1.6V

1.6V

PLAY

1kHz, 0dB

1.5V

AVss1

OUTR

0V

KICK

TRD

1.6V

3.2V

2.9V

RSEL

ECS

1.6V

3.3V

1.6V

IOVDD

3.2V

0V

ECM

3.3V(0V)

R717

2.2V
P-P

R718

PSEL

PC

1.6V

1K

1K

3.3V

MSEL

SRDATA

SENSE
/FLOCK
/TLOCK

BLKCK

DMUTE

TVD

2122232425262728293031323334353637383940

SSEL

BCLK
LRCK

DV
DVss1

MCLK

MDATA

SQCK
SUBQ

SMCK

TRV

3.3V

3.3V

C725

C726

1
2
3

DD1

4
5

TX

6
7
8

MLD

9
10
11
12
13
14
15
16

STAT

17

/RST

18
19

CSEL

20

PLAY

2ms. 0.1V/DIV.

1000P

1000P

3.3V

1.6V

3.3V
0V

3.3V

0V
0V

3.3V(2.3V)

0V(3.2V)

3.3V

(3.1V)

(0.3V)

(3.2V)

0.2V
P-P

C727
50V1

C728
50V1

C745

0.1

TP19

TP17

C732

10V220

I
H
G

F

E
D

C

B
A

A

B

0.1

C733

PLAY

0.1 s. 2V/DIV.

3.2V

0V

PLAY

T 13.3ms.

TP13TP14

2.9V

0V

TP1

TP11

7.3V

S701

(REST)

GFEDCBAABC D EFGHI

10

R753

TP2

1

32 4 5 6 7 8 9 10 11 12 13

LOADING

/RST

STAT

RESTSW

SUBQ

D

To MAIN CIRCUIT(CN401) on SCHEMATICDIAGRAM-5

SQCK

BLKCK

MLD

IHGFEDCBA

C753

470P

+B(2)

Rch OUT

TP18

A.GND

191817161514

CN702

Lch OUT

3.3V

3.3V

B

A

TP16

220

R760

TP12TP7TP8TP9TP31TP6TP5TP4TP3

TP10

C743

0.1

TX

P.GND

+B(1)

D.GND

LD SW

MCLK

MDATA