Technics SADX-1050 Service manual

C2BBGF000262 (80p)

CS49326-CLR (40p)

CS4226-KQG (44p)

RSN313H25-P

NJM2279MTE1 (14p)

BA25BC0FP

AN6558F

NJM2115MTE1

NJM4580DD

NJM4580MTE1

5

SNAHC1U04DBV

1

NJM2279D

NJM2060MTE1

8

14

1

2SA1534AQRTA 2SC3940AQSTA

E

C

B

2SA933SQRSTA

2SC1740SSTA 2SC1740SQSTA RVTDTA113ZST RVTDTA114EST RVTDTC114YST RVTDTA143XST RVTDTC143ZST RVTDTC114EST

8

TC9163AN

15

7

28

1

2SD1915FTA

B

C

E

14

RSN310R37-P

1

2SK2880CTA

D

G

S

26

24

2SD2137PQTA

TC9162AF (28p)

TC9482F (28p)

2SB1548PQAU 2SD2374PQAU

B

C

E

1N5402BM21

RK306LFU1

SN74LV244APW (20p)

SN74HCT244PW (20p)

SN74HCU04APW (8p)

1

2SB621AQSTA 2SD592AQSTA

E

C

B

SLR325MCT31

SLR325VCT31

4

1

LC72720N (24p)

1

DTA114YETL

RB721Q40T77

SLR325YCT31

Ca

Cathode

B

C

E

B

C

E

A

Anode

A

Cathode

Anode

Ca

Cathode

A

MTZJ16CTA

MTZJ33DTA MTZJ3R3ATA MTZJ3R9ATA MTZJ5R6BTA MTZJ6R2BTA MTZJ6R8BTA MTZJ7R5CTA

MTZJ8R2CTA

MTZJ13BTA

1SS291TA

RVD1SS133TA

1SR35400V

A

Anode

Ca

Cathode

LNG0A8CYBZ

MA167ATA

1SS355TE17 UDZSTE176R2B UDZSTE175R6B

FROM IC901

JK401

PHONO

JK402

CD

JK404

VCR RO

JK405

DVD LCH

JK403

TV LCH

JK404

VCR PB

JK402

TAPE REC

(OUT) JK403

TAPE PLAY

(IN)

JK352

TV MONITOR OUT

JK352

VCR1 IN

JK351

DVD

DT SEL

TUNER

MODULE

IC451

AN6558F

PHONO EQ AMP

IN1

12

IN2

3

CK SEL

+B

Q351

REGULATOR

8

S301

V

Q401

(Q402)

SWITCH

TRANSISTOR

13 11

C3

IC401

TC9163AN

BUFFER AMP

3(26)

2(27)

4(25)

5(24)

6(23)

7(22)

8(21)

9(20)

10(19)

11(18)

10

C4

O1

X2

X1

X3

X4

X5

X6

X7

X8

Level shift

Latch circuit

Shift register

TV MONITOR

JK301

OUT

VCR1 IN

12(17)

13

15

16

IC402

NJM4580DD

BUFFER

AMP

12

IC302

NJM2279D

VIDEO SIGNAL SELECTOR

IN1

SOUT_L

13 11

C3

ST SEL

C4

CK SEL

DT SEL

10

O1

JK352

TV

JK352

VCR1 OUT

IC351

NJM2279MTE1

VIDEO SIGNAL SELECTOR

S301

C1

IN3

1 2 4 5

VIDEO A

C2

D354

D353

VIDEO B

O2

14

Q352

REGULATOR

-B

DVD

D302

IN2

3

IN3

C1

1 2 4 5

D301

1 2

C1

IN3

3

IN2

12

IN1

NJM2279D

VIDEO SIGNAL SELECTOR

IC301

C3

13 11

C2

4 5

C2

C4

O2

O1

10

L_LPF

SW_DSP

AMP

IC1203

NJM4580MTE1

+B

BUFFER

MAIN_LIN

L_DSP

DIGITAL

JK1301

TV

(OPTICAL)

JK1303

DVD

(OPTICAL)

JK1302

CD

(OPTICAL)

X1001

(12.288MHz)

IC1006

SNAHC1U04DBV

OSCILLATOR

IC1005

SN74HCU04APW

INVERTER

42

RX1

43

RX2

44

RX3

28

XTI

CCLK

Q1001

POWER SUPPLY

IC1001

CS49326-CLR

AC3/DTS DECODER DSP

3 4 5 6 8 9

CCLK

DSP_OFF

+VA

CD OUT

CD INCSPDN

CD OUT

CD IN

IC1003

SN74LV244APW

CONVERTER

1719 40

+VD

FILT

IC1002

CS4226-KQG

DIR/DAC/VOL

MCLK OUT37LRCK

SCLK

38

RESET

CS42

MCLK

4

36

6

7CS18

D OUT1

OVL/ERR

CS RESET

8~11, 14~17

26

AUDIO

CS49

+B

A OUT6

AIN1L

14

CM OUT

AINAUX

1636

15

IC1004

SN74AHCT244PW

CONVERTER

5

D IN233D IN1

343031

19

IC1201

NJM2060MTE1

21(22)

A OUT1(2)

10

A OUT6

25

A OUT5

23(24)

A OUT6

D IN3

32

2120

BUFFER

INTREQ

SCD OUT

AUDATA0

AUDATA1

AUDATA2

XMT958

AMP

IC1521(IC1522)

NJM2115MTE1

OP

AMP

LRCK

SCLK

CMP DAT27

CMP CLK28

CMP REQ29

25 SCLK N1

26 LRCLK N1

22 SDATA N1

30

CLK IN

CLK SEL

31

COMPRESSED

DATA INPUT

INTERFACE

SPDIF

RECEIVER

DIGITAL

AUDIO INPUT

INTERFACE

CLOCK MANAGER

FILTD

32

+

+B

RAM OUTPUT BUFFER

EMOE

SCD OUT

INTREQ

OUTPUT

FORMATTER

EXTMEN

MCLK

SCLK

LRCLK

AU DATA0

AU DATA1

AU DATA2

XMT958

MCLK

44

43

SCLK

LRCK

42

41

AUDATA0

AUDATA1

40

39

AUDATA2

3

XMT958

EMWR

RESET

FRAMER SHIFTER

INPUT

BUFFER

CONTROLLER

RAM

INPUT

BUFFER

PLL

VSSA

FILTS

33

VDDA

35

34

+B

SCDIN

SCCLK

PARALLEL OR SERIAL HOST INTERFACE

DSP PROCESSING

RAM

PROGRAM

MEMORY

ROM

PROGRAM

MEMORY

STC

24-bit

RAM DATA

MEMORY

RAM DATA

MEMORY

DATA0~7

SOUT_L

JK1341

DVD

C_CH

SW_CH

LS_CH

IC1301,IC1302

NJM2060MTE1

OP AMP

IC1451

NJM4580MTE1

OP

AMP

SW_DSP

L_DSP

12

8

9

21 19

20

5(24)

6(23)

3(26)

2(27)

SW CONT.

CLK

DATA

STB

13 15

16

11

10

7(22)

4(25)

ST SEL

CK SEL

DT SEL

L_OUT(R)

JK406

SUBWOOFER

IC1230

NJM2060MTE1

OP AMP

IC1401

TC9162AN

Q556

MUTING SWITCH

Q560

REGULATOR

Q557

MUTING SWITCH

ANALOG FUNCTION SWITCH

+B

TO TUNER MODULE

IC970

LC72720N

RDS

CS42

CD IN

V

VIDEO B

VIDEO A

CD OUT

CCLK

DSP_OFF

INTREQ

SCD OUT

RDS_DT

RDS_CE

23 22 21 20

RDS_CK

RDS_IN

2

RDS_DI

RESET

OVL/ERR

CS49

CS RESET

94

CS4226_RESET

29

CS4226_OVLERR

93

CS49326_CS

95

CS49326_RESET

56

VCR_MUTE

28

91

CS4226_CS

CS49326_CDIN

6

4

3

RDS_CLK

5

RDS_DI

31

(REMOTE SENSOR)

99

100

VIDEO B

27

VIDEO A

92

CS49326_CCLK

CS4226_CDOUT

19 30 90

CS49326_INTREQ

DSP_PASS/DSP_OFF

36~44,55

54

CS49326_SCDOUT

LED

RDS_CE

SUBW_MUTE

IC901

C2BBGF000262

MICROCOMPUTER

RDS_DO

Z901

REMOTE

10,9

11,47,48

SD

IF DATA

TDT

TCE

TCK

22

21

7

8

9(20)

10(19)

11(18)

4(25)

5(24)

12

14

SW_IN

C_IN

SL_OUT

SL_IN

LIN

SHIFT REGISTER (32 BIT)

CK

IC1231

NJM4580MTE1

OP AMP

1 dB

VR

LATCH

8 dB

VR

LATCH

1 dB

VR

LATCH

8 dB

VR

LATCH

1 dB

VR

LATCH

8 dB

VR

LATCH

1 dB

VR

LATCH

8 dB

VR

LATCH

STROBE GENERATE

LEVEL SHIFT CIRCUIT

IC1402

TC9482F

VOLUME CONTROL

CIRCUIT

3 TO 7

DECODER

4 TO 13

DECODER

SW_OUT

C_OUT

LOUT

STB

DATA

23

6

3(26)

17

16 15

L_OUT(R)

IC1452

NJM2060MTE1

OP AMP

Q553(Q554)

MUTING SWITCH

RCH

L_LPF

Q551

(Q552)

Q555

MAIN_LIN

MUTING SWITCH

M

+VD

18

VH+

1

4

-+HOUT

IN1-

20

21

22

IN2-

SGND

+

VO1

VO2

6

10

DC

3

D651

RCH

+B

H.P.F

14

TC9482_CLK

D652

5

12

IHDET

L.P.F

DISP

IC651

RSN313H25-P

POWER AMP HIC

SEG 1~16

60~78

FL901

FL DISPLAY

11

IC901

23 22

XOUT

8

THERM/OVLD2

XIN

CF901

15 16

TC9482_ST

TC9482_DT

C2BBGF000262

MICROCOMPUTER

RESET

18

Q901

+B

HOLD

32

Q902

HOLD

+B

-HOUT

VH-

-VD

SENS-

SENS+

RLY

AC

DEG 1~10

79~88

2

19

14

13

15

7

-B

+B

FROM POWER

TRANSFORMER

Q651

RELAY

CONTROL

Q904

SWITCH

20

MOS_FET_LED

L.P.F

RCH

IC601

RSN310R37-P

POWER AMP HIC

14

SENS+

19

PASS+

21

IN1-

23

GND

22

IN2-

24

IN3-

20

PASS-

17

VDLIM

9

GND

12

DISP

13

IHDET

+

OVER

DET

10

VH+

+HOUT

VO1

VO2

VO3

-HOUT

VH-

SENS-

RLY

DC

AC

+B

2

+B

D601

5

7

4

1

6

3

15

16

11

8

+B

RCH

H.P.F

D602

-B

+B

D605

Q652

CONTROL

RELAY

OVER DET

AMUTE

SP A

SP B

OUT

S/C SP

V03

OVER DET

RLY

Q905,Q906

SWITCH

D941

+B

SEL_ENCD_1

34 35

VR901

(INPUT SELECTOR)

Q604

SWITCH

7

45

THERM/OVLD1

SEL_ENCD_2

D617

LIMITTER

L.P.F

IC901

C2BBGF000262

MICROCOMPUTER

SFC_ENCD_1

SFC_ENCD_2

12 13

VR903

(INPUT SELECTOR)

OUT

S301

Q903

SWITCH

KEY SWITCH

M

33

FRT_VCR2

1,2

VOL_ENCD_1

25

VR902

(VOLUME)

KEY1

KEY2

VOL_ENCD_2

26

AF MUTE

SP A

SP B

RELAY

S/C SP

53

51

50

52

49

AMUTE

SP A

SP B

RLY

S/C SP

Q1681

(Q1682)

HP MUTING

Q601

RELAY

DRIVE

D611

RL601

RCH

HP601

HEADPHONES

JK602

FRONT

SPEAKER(A)

Q602

RELAY

DRIVE

Q603

RELAY

Q605

SWITCH

Q754

REGULATOR

Q706

REGULATOR

+B

Q707

REGULATOR

-B

+B

Q701,Q703,Q704

REGULATOR

Q708,D708

REGULATOR

IC1701

BA25BC0FP

REGULATOR

+B

Q752

REGULATOR

DRIVE

-B

Q723

REGULATOR

Q725

REGULATOR

Q724

REGULATOR

Q1701~Q1703

REGULATOR

Q753

REGULATOR

D612

D613

D614

RL602

RL603

RL604

Q751 RELAY

DRIVE

D701~D704

D721~D728

TO FL DISPLAY

D741~D744

D751~D754

Q772~Q778,

Q780,Q781

F3

F4

AC1

AC2

F5

FAN MOTOR

DRIVE

M

FAN MOTOR

-B

T701

POWER TRANSFORMER

T751

SUB

TRANSFORMER

D755

F1

Z751

JK601

FRONT

SPEAKER(B)

JK603

SURROUND

SPEAKER

JK603

CENTER

SPEAKER

RL751

L701

JK791

AC IN

SIGNAL LINES

MAIN SIGNAL LINE CD SIGNAL LINE PLAYBACK SIGNAL LINE

( ) indicates Pin No. of right channel.

RECORD SIGNAL LINE

Leandro Palmeira