Sharp CD-DK890N Service Manual download pdf (Page 9)

CD-DK890N

4 – 1

CHAPTER 4. DIAGRAMS

[1] Main Block Diagrams

Figure 4-1: MAIN BLOCK DIAGRAM (1/2)

REC/PLAY

BIAS

T1/T2

IC101

AN7345K

PLAYBACK AND RECORD/

PLAYBACK AMP.

R

L

L

R

JKA701-AUDIO IN

Q104

Q101-

Q108

Q107

CLK

CE

DI

+B4

L

R

BIAS

T1/T2

MUTING

P.B.

REC.

AC BIAS

L

L

R

R

R

L

TAPE/

TUNER

IPOD

CD

P.B.

CNP3

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

LC75341M

AUDIO

PROCESSOR

TUNER

PACK

UNIT

RTUNSA016AWZZ

+B4

R

L

REC.

R

L

L NF

R NF

ALC

R REC.

L REC.

R NF

L NF

SWITCHING

L(T2)

R(T2)

R(T1)

L(T1)

4

22

3

24

2

1

81817

11

16

3

15

10

9

7

23

14

12

13

19

7

18

10

8

1 7

13

21

4

2

24

23

9

16

12

1

P.B

REC

T1/T2

21

R-CH

L-CH

TAPE

MECHANISM

ASS'Y

MOTOR

DRIVER

SOLENOID

DRIVER

+B7

+B7

IC701

IXA201AW

MICROCOMPUTER

(2/2)

38

BI601CNS601

1

1

2

3

4

5

6

7

8

9

10

11

3

4

1

3

2

Q703~

Q708

Q709~

Q711

+B4

NC

NO USE

CNP303

CE

DI

CL

DO

CHASIS_GND

L_CH

+9V

R_CH

TUN_SM

FM_DET

CHASIS_GND

9

1

8

13

1

1

11

2

8

12

13

4

3

1

7

5

8

6

17

12

11

+B6

+B11

+B10

JK691

IPOD SECTION

CNP102

VIDEO

OUT

SP_RLY

T_BIAS

V_OUT

iPOD_RXD

IC602

ICBA3121F

(ISOLATION GROUND)

iPOD_TXD

iPOD_PG

R

L

R

L

R

L

T_REC/PLAY

IC702

BU2092F

T_TI/T2

VDD

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 88 89

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