Denon DN-S3500 Service Manual download pdf (Page 21)

21

DN-S3500

AN8785SB (IC202)

AN22002A (IC203)

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

0.1µ

IN2-

IN2+

IN4

IN3

IN5

SVcc

SGnd-Fin

IN1

(2.5V)

H:2.5V

Lor

HIZ

:Vref

ch.4 SW

switch

PGnd2

PGnd1

16

M

1.25V

12 11

18

10

17

14

13

19

1

28

26

25

24

3

5

4

23 27

2

22

6

9

8

21

15

20

7

MM

IN-

IN+

OUT

Vref

Protection

Circuit

Standby

PVcc2

L: All mute

Hiz: ch2,4 ON

H: Active

[ Loading ]

[ Traverse ]

[ Others ]

[ Spindle ]

[ Focus ]

[ Tracking ]

PVcc3

PVcc1

D2-

D2+

D4-

D4+

D1-

D1+

D5-

D5+

D3-

D3+

Standby

Band-gap

Vcc/Vref

Reser Circuit

1

7

8

14 15

21

22

28

E

4

5

32

31

30

29

27

28

17

6

7

8

11

12

13

14

9

10

15

22

23

21

20

19

18

2

1

3

16

25

26

24

RF_EQ

NRFDET

RFOUT

RFN

CAGC

ARF

CBD0

BD0

C0FTR

0FTR

AGC BD0 0FTR

CEA

3TOUT

NRFDET

FEN

TEN

TEBPF

VDET

TEOUT

FEOUT

3TENV

RFIN

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

AMP GCA BCA

SUB

SUB

VDET

AMP GCA BCA

AMP

GCA

AMP

GCA

BCA

BCA

A

C

B

D

F

B

+

D

A

+

C

F

E

VREF

VCCGND

FBAL

TBAL

GCTL

LD

PD

1

16

32

17

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 59 60

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