Sharp CD-MPS900 Service Manual download pdf (Page 50)

CD-MPS900/CD-MPS99

4 – 3

Figure 4-3 BLOCK DIAGRAM (3/4)

7

IC101

AN7345K

PLAYBACK AND RECORD/

PLAYBACK AMP.

AUX

VIDEO

R

L

R

L

JK690

GAME INPUT

JK691

VIDEO OUT

-20dB

ATT

Q101~

Q104

Q107

Q108

Q601

Q602

Q603

Q604

REC/PLAY

CLK

CE

DI

+B4

L

R

BIAS

T1/T2

MUTING

P.B.

REC.

AC BIAS

L

L

R

R

R

L

TAPE

TUNER

CD

PB

CNP2

FROM CD SECTION

HEAD

ERASE

SWITCHING

SWITCHING

SWITCHING

BIAS

Q113

Q114

Q112

Q110

LED

DRIVER

Q710

Q706

Q711

Q712

Q707

Q708

Q714~

Q717

SWITCHING

Q109

BIAS

OSC

Q111

L103

Q105

Q106

REC./P.B.

HEAD

TAPE 2

P.B. HEAD

TAPE 1

R-CH

L-CH

R-CH

L-CH

IC601

LC75341

AUDIO PROCESSOR

+B4

R

L

REC

R

L

ALC

R REC

L REC

POP REDUCE

SWITCHING

L(T2)

R(T2)

R(T1)

L(T1)

21

4

24

2

1

18

11

16

3

15

10

9

7

23

14

12

13

19

7

18

10

58

30

48

13

21

4

2

24

23

6

9

16

12

11

15

1

H/N

P.B

REC

T1/T2

T1/T2

NOR/

HIGH

+B4

+B4

+B4

SYSTEM

TAPE

MECHANISM

ASS'Y

MOTOR

DRIVER

SOLENOID

DRIVER

+B7

+B7

LED703

JOG701

VOLUME

IC701

IXA008AW

SYSTEM

MICROCOMPUTER

(2/2)

FM+B

+B4

SWITCHING

IC302

LC72131

PLL(TUNER)

FM

Q360

9

10

21

17

7

MO/ST

FM/AM

OSC

+B4

5436

22 111615

CLK

DO

DI

CE

1

20

VT

X352

4.5 MHz

IC303

LA1832S

FM IF DET./

FM MPX./

AM IF

STEREO

AM RF IN

AM OSC IN

AM OSC OUT

1821 12162324

FM/AM

OUT

R

L

FM/AM

MPXIN

MO/ST

VCO

FM

DET

FM+B

GND

AM IF

AM MIX

985

17

21

13

14

15

4

AM IF

450 kHz

CF352

T351

CF303

+B4

10.7 MHz

X351

456 kHz

ZD351

5.1V

CF351

OSC BUFF

FM

OSC

AM BAND

COVERAGE

AM TRACKING

T303 T306

Q302

FM RF

OSC

FM

L312 T301

8

4

3

5

7

FM IF

T302

9

6

IC301

TA7358AP

FM FRONT END

B.P.F

BF301

AM LOOP

ANTENNA

CNP301

FM

ANTENNA

SO302

FM ANTENNA

TERMINAL

1

2

1

BI601CNS601

1

3

4

1

3

2

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