Sharp XL-3000 Service Manual download pdf (Page 23)

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XL-3000/3000C

AC 120V,60Hz

AC POWER SUPPLY CORD

VOLTAGE

REGULATOR

3

1

3

2

1

USWD_5R6V

P_CONT

D_GND

3

2

1

AC INPUT

SOCKET

AC120V,60Hz

POWER

TRANSFORMER

(SUB)

FROM

DISPLAY PWB

POWER PWB

CNP651

SO655

IC681

AN78L05

D688

1N4004

RLY601

CNP707

T681

D681~D684

Q683

Q681

5

4

3

2

1

5

4

3

2

1

3

1

POWER

TRANSFORMER(MAIN)

TF

T651

3.15A/125V

3.15A/125V

F652

CNP801

F651

1.6A/125V

F653

Q606

Q607

Q904

D651~D654

D657~D660

Q101

Q104

Q601

Q602

Q102

Q103

Q605

Q603

Q604

Q608

Q609

Q903

CD +B

5V

–B

–B

+B

CD_6R2V

+B1

+B2

+B3

+B4

+B5

+B6

M_12V

A_12V

A_24V

15 13 12 11 10 9 8 7 6 4 1

IN2

GND

–VCC

PRE

–VE2

+VE2

–VCC

+VCC

–VE1

+VE1

+VCC

PRE

IN1

POWER AMP.

IC601

STK40202

L-CH

L-CH

R-CH

R-CH

L-CH

R-CH

SPEAKER TERMINAL

+

+

SO601

HEADPHONES

1

2

3

4

5

9

10

J601

VSS

VDD

IC401

LC75342M

15

14

13 12

11

10

9

17

18

19

20

21

22

23

24

25

26

27 28

29

16

8

7

6

5

4 3 2 1

CE

DI

30

CL

LOGIC

TUN L

CD L

TUN R

R-CH OUT

L-CH OUT

A_12V

NC

FUNCTION/VOLUME

EQUALIZER

8

76

5

12

3

4

Q201

Q203

A_12V

L-CH OUT

R-CH OUT

R-CH IN

SURROUND

ON/OFF

IC201

KIA4558P

SURROUND CONTROL

L-CH IN

AUX R

AUX L

CD R

SURROUND

MUTE

VOLTAGE

REGURATOR

VOLTAGE

REGURATOR

VOLTAGE

REGURATOR

+B6

+B6

5 4 3 2 1

_

D_GND

TUN L

TUN R

A_GND

1 2 3 4 5 6 7 8 9

10 11 12 13

SD

STEREO

DO

CE

DI

CL

CD +B

P_MUTE

P_STB

D_GND

5V

A_24V

+B1

+B3

+B6

+B5

CNP703

B

FROM

DISPLAY PWB

+B7

L

P UNIT

A_GND

D_GND

MAIN PWB

Figure 23 BLOCK DIAGRAM (2/4)

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 63 64

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