Sony XR-M510 service manual TDA7402TR

XR-M510

•IC Block Diagrams

– MAIN Board –

IC100

TDA7402TR

ACINLR

ACINRF

ACINRR

OUTLF

OUTLR

OUTRF

OUTRR

OUTSWL

OUTSWR

OUTSSL

OUTSSR

33 32 31

30

29

28

27

26

25

24 23

MIXER

MONO-

MONO-

MONO-

MONO-

MONO-

MONO-

FADER

FADER

FADER

FADER

FADER

FADER

ACINLF

34

FRONT

SUBWOOFER

SWINR

35

ACIN

+PHASE

SWINL

36

OUTPUT

REAR

CONTROL

SELECTOR

ACOUTR

37

MAIN

SW

ACOUTL

38

SECOND

CREF

39

LP

22

VDD

IIC-BUS

VOICE

21

SCL

BANDPASS

20

SDA

HP

BASS

SUPPLY

19

GND

TREBLE

HIGH-CUT

18

SM

VOLUME

CONTROL

S&H

PULSE

FORMER

SOFTMUTE

DIGITAL

25kHz

QUAL

17

QUAL

COMPANDER

LP

LOUDNESS

LOUDNESS

IC102

BA3834F

GND

AOUT

TEST

N.C.

SEL N.C. C B A

18

17

16

15

14 13 12 11 10

MULTIPLEXER

DECODER

REGISTER

REGISTER

REGISTER

REGISTER

REGISTER

REGISTER

REGISTER

PEAK

PEAK

PEAK

PEAK

PEAK

PEAK

PEAK

HOLD

HOLD

HOLD

HOLD

HOLD

HOLD

HOLD

68Hz

170Hz

420Hz

1kHz

2.4kHz

5.9kHz

14.4kHz

B.P.F.

B.P.F.

B.P.F.

B.P.F.

B.P.F.

B.P.F.

B.P.F.

DIFFERENTIAL

AMPLIFIER

1

2

3

4

5

6

7

8

9

BIASC

VREFC

RREF

N.C.

DIFOUT

N.C.

CIN

AIN

VCC

MULTIPATH

16

MPOUT

DEMODULATOR

MUX

40

DETECTOR

15

MPIN

IN-GAIN

+STEREO ADJUST

+

+STEREO BLAND

BEEP

D/A

14

LEVEL

IN-GAIN

MUTE

PILOT

CONVERTER

+AUTO ZERO

CANCELATION

PIL DET

MAIN SOURCE

MIXING

SECOND SOURCE

SELECTOR

SELECTOR

SELECTOR

MD1

41

PLL

MD1G

MAIN

80kHz

42

INPUT

13

MPX

LP

MULTIPLEXER

FM

MD2

43

MD2G

PHONO

44

AM

AM/FM

12

AMIF

MAIN

CH0

AUX

NOISE BLANKER

1

2

3

4

5

6

7

8

9

10

11

SEL

SER

FD1L+

FD1L–

FD1R+

FD1R–

FD2L+

FD2L–

FD2R+

FD2R–

AM

IC400		LB1930M-TLM
VCC	1			10	NC
NC	2	BUFFER
IN1	3	CONTROL	MOTOR	9	OUT1
			DRIVE	8	NC
		CIRCUIT
IN2	4		CIRCUIT	7	OUT2
		BUFFER
S-GND	5			6	P-GND

IC401

CXA2510AQ-T4

PBEQ1

PBOUT1

GND

TAPEIN1

AUXIN1

DIREF

LINEOUT1

TCH1

NC

MSSW

30

29

28

27

26

25

24

23

22

21

120∝/

NR

70∝

OFF/B

T2

+

–

–

+

20

MSMODE

PBFB1

31

NR BIAS

MS

19

DRSW

X1

MODE

PBRIN1

32

TAPE/AUX

18

TAPESW

PBREF1

33

F2

17

INSW

TAPE EQ

PBFIN1

34

NR

16

NRSW

FWD/RVS

MODE

VCT

35

VCT

PBGND

36

VCC

MS ON/ 15

NC

+

LPF

+

OFF

DETECT

–

PBFIN2

37

14

MSOUT

PBREF2

38

F1

F3

X1

13

DGND

PBRIN2

39

PBFB2

40

12

MSTC

–

+

11

FF

T1

+

–

OFF/B

120∝/

NR

70∝

1

2

3

4

5

6

7

8

9

10

PBEQ2

PBOUT2

VCC

TAPEIN2

AUXIN2

MSLPF

LINEOUT2

TCH2

NC

PLAY

36 36