Sharp CD-BA1700H Service Manual download pdf (Page 16)

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CD-BP160W/180W/1500W/1700W

Figure 16 BLOCK DIAGRAM (2/3)

REC/PLAY

CL

CE

DI

MUTE

SYSTEM

Q402

Q401

DO

CL

DI

CE

MO/ST

+B2

SWITCHING

+B2

FM/AM

IC302

LC72131

PLL(TUNER)

OUT

FM/AM

+B2

L

R

BAIS

T1/T2

MUTING

Q110

Q111

P.B.

REC

AC BIAS

R

L

SO401

VIDEO/AUX

L

L

R

R

R

L

R

L

AUX

TAPE

TUNER

CD

PB

CNS402

FROM CD

SECTION

CNP11

ERASE

HEAD

SWITCHING

SWITCHING

SWITCHING

BIAS

Q102

Q103

Q101

Q113

SWITCHING

Q112

OSC

BIAS

L104

Q114

Q109

Q108

R-CH

L-CH

R-CH

L-CH

IC401

LC75341

AUDIO PROCESSOR

H/N

P.B

+B2

R

L

REC

R

L

L NF

R NF

ALC

REC

T1/T2

T1/T2 HIGH

NOR/

REF

R REC

L REC

POP

REDUCE

R NF

L NF

SWITCHING

Q104~

Q107

L(T2)

R(T2)

R(T1)

L(T1)

IC101

PLAYBACK AND RECORD/

PLAYBACK AMP.

R

L

FM/AM

MPXIN

STEREO

AM RF IN

AM OSC IN

FM +B

Q360

VT

FM OSC

OSC

4.5MHZ

X352

COVERAGE

AM BAND

AM

TRACKING

T303

Q302

X351

MO/ST

VCO

DET

FM

FM+B

GND

AM IF

CF351

FM/AM IF MPX.

LA1832S

IC303

AM MIX

CF352

T351

RF

FM

OSC

FM

L312

CF303

T302

FM FRONT END

TA7358AP

IC301

BF301

FM ANTENNA

22

3

21

4

24

2

1

8

18

17

5

4

3

9

10

18

11

16

3

15

10

9

7

23

14

12

13

1

2

20

19

7

18

10

8

17

13

21

4

5

2

24

23

6

9

16

14

12

15

1

5

1

3

8

4

3

2

1

21

7

9

8

5

6

21

24

21

20

22

11

17

15

16

9

6

5

7

13

14

12

15

16

23

4

7

1 7

T301

T306

4

FM

REC PB HEAD

TAPE 2

PB HEAD

TAPE 1

R

L

SO302

AM LOOP

ANTENNA

1

2

1

2

CNP302

1

1

3

3

1

VDD

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 59 60

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