Sony MDX-C5970R service manual Block Diagram Tuner Section

MDX-C5960R/C5970/C5970R

4-2.

BLOCK DIAGRAM – TUNER Section –

FM B+

AM B+

FM/AM TUNER UNIT

TUNER B+

J1

TU1

8

10

9

(FM/AM ANTENNA)

+B

+B

+B

FM

2

FM-ANT

FM-LCH

18

E

(Page 23)

FM

AM

1

AM-ANT

FM-RCH

16

R-CH

MUTING

LO/DX

VCO

FM/AM-IF

AMOSC

SEEK

ST/MONO

METER-S

-FMDET

Q101

VT

SD

AM-DET

12

AM

F

(Page 23)

4

5

6

21

13

11 20 22

19

23

R-CH

D5

MUTING

(C5960R/C5970R)

CONTROL SWITCH

Q103

RV1

(C5960R/C5970R)

FM RDS

S-METER

AM OSC

BUFFER

Q50

BUFFER

B+ SWITCH

FILTER

Q4

BACKUP +5V

Q51

FM B+

(C5970)

5

1

2

3

28

24 25

15 14

14

7

METER BUFFER

VDDA

VDDD

QUALITY

SEEK

LPFM

LPHC

LPAM

OUTLP

FMIN AMIN

IFFM IFAM

RDS DECODER

5

FM/AM SIGNAL

IC102

SIGNAL

Q1

DECODER

4

OSCOUT

10

FM/AM PLL

57 kHz

SC

RDS/RDBS

OUT

CIN

CLOCKED

INTERFACE

IC100

16

BAND-PASS

18

19

DEMODULATOR

COMPARATOR

REGISTER

OSCIN

9

MPX

FILTER

& DECODER

SSTOP

SDA SCL

X1

20

PATH

MPTH

2

& CLOCK

SLAVE

10.25MHz

LVIN

MULTI

OSCILLATOR

IIC BUS

16

13 12

DETECTOR

OSCI

OSCO

DAVN

TRANSCEIVER

SDA

SCL

5

4

8

9

10

DATA CLOCK

BAND-PASS

X2

FILTER

4.332MHz

DATA

CLOCK

IC101

Q5

NOISE DET

DISCHARGE

SWITCH

DATA, CLOCK

G

(Page 23)

(C5970: E model)

69

82 83 81

53

51

35

52

67

62

SSTOP

SEEKOUT

SD-IN

ST-MONO

METER-S (VSM)

QUALITY

NS-MASK

MPDH(MTP)

DAVN

TU-ATT

MW 10K/FM 200K

MASTER CONTROLLER

S701

FREQUENCY SELECT

100

BAND (9K-10K)

IC700 (1/4)

MW 9K/FM 50K • SIGNAL PATH

: FM

: AM (MW/LW)

05

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