JVC KD-SH99R service manual PCM1716E-XIC802 D/A converter, 1-39

PCM1716E-X (IC802) : D/A converter

1. Pin layout 28 15

Vcc2L

AGND2L

Vcc2R AGND2R

1

14

2. Block diagram

BCK

Serial

Low-pass

DAC

LBCK

Input

Mult-level

Filter

DATA

I/F

8X Oversampling

Delta-Sigma

Digital Filter

Modulator

Low-pass

with

DAC

Filter

ML/llS

Function Controller

MC/DM1

Mode

MD/DM0

Control

CS/WO

BPZ-Cont

MODE

I/F

SCK

Open drain

MUTE

Crystal OSC

Power Supply

RST

3. Pin function

XTI XTO CLKO

Vcc1 AGND1

Vcc DGND

Pin

Symbol

I/O

Function

No.

1

LRCK

I

LRCK clock input

2

DATA

I

Serial audio data input

3

BCK

I

Bit clock input for serial audio data

4

CLKO

O

Buffered output of system clock

5

XTI

I

Oscillator input / External clock input

6

XTO

O

Oscillator output

7

DGND

-

Digital ground

8

VDD

-

Digital power +5V

9

VDD2R

-

Analog power +5V

10

AGND2R

-

Analog ground

11

EXTR

O

Rch common pin of analog output amp

12

NC

-

Non connection

13

VOUTR

O

Rch analog voltage output of audio signal

14

AGND1

-

Analog ground

15

Vcc1

-

Analog power +5V

16

VOUTL

O

Lch analog voltage output of audio signal

17

NC

-

Non connection

18

EXTL

O

Lch common pin of analog output amp

19

AGND2L

-

Analog ground

20

Vcc2L

-

Analog power +5V

21

ZERO

O

Zero data flag

22

RST

I

Reset

23

CS/IWO

I

Chip select / Input format selection

24

MODE

I

Mode control select

25

MUTE

I

Mute control

26

MD/DM0

I

Mode control, Data / De-emphasis selection 1

27

MC/DM1

I

Mode control, BCK / De-emphasis selection 2

28

ML/IIS

I

Mode control, WDCK / Input format selection

KD-SH99R

VoutL

EXTL

VoutR

EXTR

ZERO

1-39