Panasonic RXES-20 Schematic

SCHEMATIC DIAGRAM-1

OPTICAL PICKUP CIRCUIT

LASER DIODE

IC703

BA5948FPE2

FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE

1

GND

NBOUT

8

6
8

11

12

4
9

10

5
2
3

3

2

4

AIN

BIN

VCC

VREF

GND

NAOUT

5

6

7

TRACKING
COIL

FOCUS
COIL

10

11

12

13

14

15

16

1

2

3

4

5

6

7

8

9

CN701

VCC

PDF

PDE

LD GND

GND

GND
(GUARD)

VREF

LPD

GND
(GUARD)

: + B Line

: CD Signal Line

CD SERVO CIRCUIT

PLAY

0.8V

0.5us. 0.2V/DIV

C714

6.3V100

PLAY

C712

0.1

C711

0.1

P-P

3.2V

1.6V

1.6V

1.6V

PDF

PDE

VCC

PDA

FEN

TBAL

VREF

FBAL

26

28

27

25

1.6V

1.6V

1.6V

1.6V

0.2V
P-P

R708
82K

R707
270K

C747
180P

R744
120K

C749
2200P

C701

6.3V33

R701

4.7
Q701

3.2V

1

2

3

R754

LD

4

5

6

NB

7

8

NA

9

10

11

12

T-

13

T+

14

F-

15

F+

16

((2.5V))

0.9V

5.6

C713

0.1

C751

0.1

C750

0.1

((2.3V))

2.7V

Q701

2SA1037AKSTX

LASER POWER
DRIVE

IC701

AN8839NSBE1

SERVO AMP

2ms 0.1V/DIV

1.6V

PDB

FEOUT

24

1.6V

R706
1K

((0.2V))

0V

LPD

IC701

TEOUT

23

1.6V

C710
120P

R702

C742

0.027

((2.3V))

2.7V

7654321

LD

TEN

22

1.6V

10K

J

RF

C702

((1.4V))

0.9V

RF

TEBPF

21

R705

R704
1K

701

0.1

0.7V

98

20 19

3.2V

150K

2700P

C706

((2.3V))

2.1V

RFIN

CSBRT

ENV

EMOFF

1.6V

C703

6.3V100

C704

0.1

0.027

C707

0V

1.6V

121110

CEA

VDET

18

17

0V

((3.1V))

13

BDO

OFTR

16

0V

14

LDON

CROSS

15

((3.1V))

GND

/RFDET

0V

PLAY

2ms 0.1V/DIV

32

33

40

42

0.6V
P-P

7.3V

3.3V

3.3V

((3V))

3.3V

D4-

D1+

181119

3.7V
((4.1V))

D4+

D1-

PVCC2

PVCC1

10

7.3V

20

PGND2

PGND1

9

7.3V

21

8

NC

GND

IC703

GND

NC

38

((3.5V))

3.3V

((3V))

16

15

17

D3-

C735

0.1

C734

10V220

D3+

D2+

D2-

12

13

14

3.3V

3.7V

3.3V
((3.5V))

((3.3V))

C736

0.1

39

M

M701

36

TRV MOTOR

C737

0.1

37

M

M702

SP MOTOR

23

22

NC

6

7

7.3V

24

NCNCNC

NC

VCC

PC1

NC

5254263272281

0V

3.2V

R735
100

R724

15K

1.6V

1.6V

VREF

IN1

1.6V

IN4

PC2

R725 680

1.6V

1.6V

IN3

IN2

C715
2700P

R715
1K

R736
100

R727 2.7K

C752
1500P

R749 2.7K

R723

10K

C738

0.056
R729

2.7K

R731 10K

R732 1K

C739
2200P

R728

2.2K

SCHEMATIC DIAGRAM-2

: + B Line

: CD Signal Line

D750

MA8056MTX

14

13

F=16.9344MHz

16.9344 MHz
X701

C722
10P

82K

0.1

R711

C717

C716
820P

R714

C744

0

C721

10P

0.0082

68K

R709

1.6V
P-P

C718

0.22

R712

220

R741

47K

R742

220K

C723
10V220

C724

0.1

3.2V

1.5V

1.5V

3.2V

0.5V

1.6V

1.6V

1V

1.6V

1.5V

((3.1V))

C754
470P

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

VDD

X2
X1

VSS
SBCK
SUBC

VCOF2
PCK
EFM
AVSS2
AVDD2
VCOF
PLLF
DSLF
DRF

IREF

ARF
WVEL
DSLF2

PLLF2

0V

64

61

OUT
IN

40

65

62

63

FCLK

FLAG

BYTCK

IPFLAG

/CLDCK

F=16.9344MHz

IC702
MN662790RSC

SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER

PLAY

0.5us 0.2V/DIV

LDON

OFT

TRCRS

/RFDET

BDO

39

38 37 36 35

0V

0V

0V

((0V))

68

66

67

CRC

CLVS

0.8V
P-P

RFENV

VDET

34 33 32 31 30

1.6V

1.6V

R721

100

69

RESY

DEMPH

FE

TE

1.6V

C731

6.3V220

C730

3.2V

70

71

IOSEL

T=13.3ms

TBAL

1.6V

0.1

2.9V

3.2V

72

/TEST

AVDD1

PLAY

PLAY

F=75Hz

VREF

FBAL

29 28 27 26

1.6V

1.6V

1.5V

73

OUTL

T=13.3ms

FOD

1.6V

74

AVSS1

0.1us 2V/DIV

3.2V

0V

PLAY

3.2V

0V

TRD

1.6V

R718

PLAY

1KHz, 0dB

C732

6.3V220

2.9V

3.2V

1.5V

75 76 777879

RSEL

OUTR

IOVDD

PLAY

5V

0V

3.2V

0V

PLAY

2.9V

0V

T=13.3ms

ECM

ECS

KICK

25 24 23

3.2V

1.6V

1.6V

((0V))

R717
1K

1K

PSEL

MSEL

SRDATA

DVDD1
DVSS1

MCLK

MDATA

SENSE
/FLOCK
/TLOCK

BLKCK

SQCK
SUBQ

DMUTE

SMCK

TVD

PC

22

1.6V

3.2V

80

SSEL

BCLK

LRCK

MLD

STAT

/RST

CSEL

21

2.2V
P-P

1

TX

10

11

12

13

14

15

16

17

18

19

20

TRV

PLAY

2ms 0.1V/DIV

2ms 0.1V/DIV

2

3

4

5

6

7

8

9

PLAY

C733

0.1

3.2V

3.2V

3.2V

((3V))

0V

((0.3V))

3.2V

0V
0V
((3.1V))
0V
((3.1V))

18V

C745

0.2V
P-P

19

18

17

CN702

Lch OUT

19

A.GND

18

Rch OUT

17

+3.3V

16

LD SW

15

D.GND

14

+7.5V

13

TX

12

P.GND

11

MCLK

10

9

8

7

6

5

4

3

2

1

M DATA
MLD
BLKCK
SQCK
SUBQ
STAT
/RST
REST SW
LOADING

TO
MAIN CIRCUIT
(CS801) ON
SCHEMATIC
DIAGRAM-5

R760

220

C725

1000P

C726
1000P

C743

0.1

12

C727
50V1

C728
50V1

8

470P

C753

7

9

31

6

R753

10

0.1

5

4
3
1

S701

REST SW

0.4V
P-P

702

(Vref)

J

10

11

SCHEMATIC DIAGRAM-3

R/P HEAD

L

R

MAIN (DECK) CIRCUIT

Q1104

2SJ498CTA

HEAD SELECT
(REC:ON)

: Playback Signal line

Q1103

2SJ498CTA

HEAD SELECT
(PLAY:ON)

RECOUT Lch

Q1104

0.009V

C1101

32

C1201

100P

100P

3.70V

3.70V

Q1204

2SJ498CTA

HEAD SELECT
(REC:ON)

0.01V

0.009V

0.01V

0.01V

Q1204

RECOUT Rch

Q1103

0.008V

0.01V

Tape Head Lch

0.009V

Q1203

2SJ498CTA

HEAD SELECT

(PLAY:ON)

0.009V

Q1203

0.008V

CP1301

124 3

1234

R

L

34

IC1301

BA7755A

R/P SELECT

IC1301

H=OFF

vcc

1 2 43

6.76V 0V

5

0V

0V

0V

R1353

470K

R1341

470

C1325

16V100

R1340

22K

: Record Signal line

R1110

470K

TapeHead Rch

R1209

C1210

470K

R1210

REC:H

15K

820P

R1109

15K
C1110
820P

R1201

22K

R1101

22K

C1202

C1106

16V100

C1102

1200P

IC1302

AN7317

PRE/REC AMP

C1206

1200P

16V100

R1102

R1202

D9V

RECH_1

C1107

50V1

3.9K

820P

R1108

.039
0

C1105

3 42

L CH

16V10

0V

3.24V

C1108

C1109

16V10

3.24V

R1503

.047
0

C1503

65

2.2K

0V

C1502

16V10

R1502

4.7M

0V

7

AGC

8

R1103

3.9K

R1112

100K

56

C1103

100P

C1104

0V

3.62V

0.59V

1

IC1302

R CH

3.62V

R1203

3.9K

C1205

0V

16V10

3.31V

3.66V

C1209

0V

0.59V

C1203

100P

C1204

56

0.039

R1212

100K

PLAYH

820P

R1208

C1208

100K

R1352

111213141516

16V10

3.9K

3.75V

10

6.14V

C1501

C1207

Vcc

9

16V22

50V1

PLAYH

R1413

47K

22K

R1410

R1408

22K

47K

R1409

ADL_IN

47K

R1414

47K

R1407

Q1301

2SC1740SRTA

SWITCHING

R1304

100

C1305

0V

0V

150P

Q1301

0.82V

C1301

000P
1

C1304

0.01

20

RL09B17-T

BP_L

L1301

6 3

R1305

4.7K

R1406

4.7K
VREF-

R1405

R1404

4.7K

D5V

PHOTO

1K

R1310

Q1303

14

C1306

R1313

220

16V100

C1307
8200P

R1311

56K

Q1303

C1308

2SC1740SRTA

BIAS SWITCH

(FREQ)

0V

0V

0V

MODE

1 2 4 6 8 9753

1 2 3 4 5 6 7 8 9

MODE

0.01

10

R1314

1K

S951

PHOTO

HALF

PL

GND

HALF

PHOTO_T

S952

IC951

0N2180RLC1

RECINH

D5V

D5V

VREF-

RECINH_F

S954

VREF-

CP1902

CS951

PL

R952 820

R953 39K

R1401

D951

MA165TA

330K

REM_STBY

DECK MECHANISM CIRCUIT

SCHEMATIC DIAGRAM-4

D1500

MTZJ6R2BTA

C1500

16V100

RECIN Lch

R1501

100

D9V

RECIN Lch

RECIN Rch

Q1102

2SC1740SRTA

SWITCH (PLAY-4)

Q1202

2SC1740SRTA

SWITCH (PLAY-4)

D9V

VREF-

P.B.Lch

P.B.Rch

PLAYH

0V

0V

RECH_1

Q1402

DMT_L

: Playback Signal line

1K

R1104

R1204

0V

0V

0V

Q1401

RECH

0V

RECH

PL

MOTOR_VCC

2 1

12

+

1K

Q1102

0V

0V

R1412

10K

MOTOR_GND

CP1450

-

PLAYH

R1299

0V

Q1202

33K

R1411

: Record Signal line

330

0V

0V

0V

D9V

Q1400

RVTDTC114EST

SWITCH (BP MODE)

Q1401

RVTDTA143XST

SWITCH (REC:ON)
Q1402

RVTDTC143XST

SWITCH (REC:ON)

D9V

C1451

16V100

Q1101

R1002

4.7K

RECIN Rch
RECIN Lch

BP_L

0.82V

0V

0V

0V

8.91V

Q1000

RVTDTC143XST

MUTING CONTROL

Q1101

2SJ498CTA

MUTING SW

Q1201

2SJ498CTA

MUTING SW

D9V D9V

0V

Q1400

D5V
ADL_IN

R1451

0.85V

330

0.77V

0.77V

Q1452

R1453

27K

R1452

8.91V

Q1454

1K

0V

Q1201

0V

0V

R1207

R1107 68K

R1001

RECH

C1001

BP
VREF-

PHOTO

4.76V

Q1451

8.91V

0V

Q1000

68K

0V

68K

16V47

0V

Q1453

R1000

10K

Q1451

RVTDTC143TST

MOTOR DRIVE

Q1452

2SD2470TP

MOTOR DRIVE

Q1453

RVTDTC114EST

MOTOR DRIVE
CONTROL

Q1454

2SA854STPQ

SOLENCID DRIVE

RECR
RECL
PBR
PBL

D9V

DMT_L
RECH

REM_STBY
BP

VREF­GND2

D5V
ADL_IN
PHOTO
PL_H
MOTOR_H

(A)

TO

MAIN
CIRCUIT
(B) ON
SCHEMATIC
DIAGRAM-5

M1

M

MOTOR