Sharp CD-ES700 Manuel de service télécharger pdf (Page 50)

CD-ES700/CD-ES77

4 – 2

[2] Main Block diagrams

IC101

AN7345K

PLAYBACK AND RECORD/

PLAYBACK AMP.

AUX

VIDEO

R

L

R

L

JK690

VIDEO GAME

INPUT

FM

+B

+B4

CLK

+B4

AM IF

OSC BUFF

AM

LOOP

ANTENNA

FM IF

VCC

OSC

FM

B.P.F

ATT

-20dB

Q104

Q103-

Q108

Q107

Q602

Q601

X351

456 kHz

10.7 MHz

450 kHz

FM

REC/PLAY

CLK

CE

DI

DO

DI

CE

MO/ST

SWITCHING

+B4

FM/AM

PLL(TUNER)

LC72131

IC302

OUT

FM/AM

L

R

BIAS

T1/T2

MUTING

P.B.

REC.

AC BIAS

L

L

R

R

R

L

TAPE

TUNER

CD

P.B.

CNP5

FROM CD SECTION

HEAD

ERASE

SWITCHING

SWITCHING

SWITCHING

BIAS

Q113

Q114

Q112

Q110

SWITCHING

Q109

OSC

BIAS

Q111

L103

Q105

Q106

REC./P.B. HEAD

TAPE 2

P.B. HEAD

TAPE 1

R-CH

L-CH

IC601

LC75341

AUDIO

PROCESSOR

+B4

R

L

REC.

R

L

LNF

RNF

ALC

R REC.

L REC.

RNF

LNF

SWITCHING

L(T2)

R(T2)

R(T1)

L(T1)

R

L

FM/AM

MPXIN

STEREO

AM RF IN

AM OSC IN

FM

Q360

VT

OSC

VDD

X352

4.5 MHz

COVERAGE

AM BAND

AM TRACKING

T303 T306

Q302

MO/STVCO

DET

FM

VCC

GNDAM IF

CF351

FM/AM IF MPX.

AM OSC OUT

IC303

LA1832S

FM IF DET./

FM MPX./AM IF

AM MIX

CF352

T351

RF

FM

OSC

FM

L312

T301

CF303T302

IC301

TA7358AP

FM FRONT END

BF301

4

22

3

24

2

1

81817

9

10

18

11

16

3

15

10

9

7

23

14

12

13

19

7

18

10

8

17

13

21

4

2

24

23

9

16

12

1

513

843

1

21

7

985

17

6

21

21

20 22 11

17

15

9

6

57

13

14

12

5

1

16

23

24

4

7

P.B

REC

T1/T2

416

21

R-CH

L-CH

Q706

TAPE

MECHANISM

ASS'Y

MOTOR

DRIVER

SOLENOID

DRIVER

+B7

+B7

BI601CNS601

1

3

4

1

3

2

Q714~

Q717

Figure 4-2 BLOCK DIAGRAM (2/3)

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