Yamaha GA 011589 service manual AK4520A-VF-E2 XT802A00 DAC & ADC

Page 17

AG-Stomp

YM3437C-F(XM530A00) DIT2 (Digital Format Interface Transmitter)

DM: IC17

PIN

NAME

I/O

FUNCTION

PIN

NAME

I/O

FUNCTION

 

NO.

NO.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Vss

 

Ground

9

MUTE

I

Mute

 

2

MCLK

I

Master clock input

10

VFL

I

Validity flag

 

3

DM0

I

DIN/BCLK/WCLK format select

11

CCK

I

C,U bit clock input/C bit data input

4

DM1

I

DM1,DM0=0,0 DSP,LDSP (64 bit,LSB first)

12

CIN

I

C,U bit data input/U bit data input

 

 

 

 

DM1,DM0=0,1stereo,DSP (64 bit,MSB first)

 

 

 

 

 

 

 

 

DM1,DM0=1,0 DSP2 (128 bit,MSB first)

 

 

 

 

 

5

RES

 

DM1,DM0=1,1 BB (64 bit,MSB first)

 

 

 

 

 

I

System reset

13

CLD

I

End of C,U bit input/16,20 bit/24 bit select

6

WCIN

I

Word clock input

14

CNTR

I

32 bit counter reset/Top of block

 

7

DIN

I

Digital audio serial data input

15

CSM

I

Channel status input mode select

 

 

 

 

 

 

 

 

CSM=0 Asynchronous mode

 

8

VDD

 

Power supply (+5 V)

16

DOUT

 

CSM=1 Synchronous mode

 

 

O

Digital interface formatted data output

 

 

 

 

 

 

 

 

 

AK4520A-VF-E2 (XT802A00) DAC & ADC

 

 

 

DM: IC104

PIN

NAME

I/O

FUNCTION

PIN

NAME

I/O

FUNCTION

 

NO.

NO.

 

 

 

 

 

 

 

 

1

VREFH

I

Positive Voltage Reference Input, VA

15

MCLK

I

Master Clock Input

 

2

VREFL

I

Negative Voltage Reference Input, AGND

16

DEM0

I

De-emphasis Frequency Select

 

3

AINR+

I

Rch Analog Positive Input

17

DEM1

I

De-emphasis Frequency Select

 

4

AINR-

I

Rch analog Negative Input

18

TST3

I/O

 

 

5

AINL+

I

Lch Analog Positive Input

19

TST2

I/O

Test Pins (Pull Down Pins)

 

6

AINL-

I

Lch analog Negative Input

20

TST1

I

 

 

7

VA

-

Analog Power Supply

21

VD

-

Digital Power Supply

 

8

AGND

-

Analog Ground

22

DGND

-

Digital Ground

 

9

DIF0

I

Audio Data Interface Format

23

/PWDA

I

DAC power-Down Mode

 

10

DIF1

I

Audio Data Interface Format

24

/PWAD

I

ADC power-Down Mode

 

11

LRCK

I

Input/Output Channel Clock

25

CMODE

I

Master Clock Select (“H”:384 fs,“L”:256 fs

12

SCLK

I

Audio Serial Data Clock

26

AOUTL

O

Lch Analog Output

13

SDTI

I

Audio Serial Data Input

27

AOUTR

O

Rch Analog Output

14

SDTO

O

Audio Serial Data Output

28

VCOM

O

Common Voltage Output, VA/2

 

17

Image 17
Contents Acoustic Guitar PRE-AMPLIFIER AG-Stomp Digital Section SpecificationsAG-Stomp Panel Layout AG-Stomp Pre-AmpSection AG-Stomp Footswitch Section DM 2/2 DM 1/2 Block DiagramKEC-54233 Circuit Board Layout Wiring Bottom30 Disassembly ProcedurePN 1/2 Heat Sink HD6413002FP16 XQ375A00 CPU LSI PIN DescriptionYSS910-S XV988A00 DSP6 Digital Signal Processor AK4520A-VF-E2 XT802A00 DAC & ADC Assp IC Block DiagramNJM5532M XC011A00 Circuit Boards To PN1/2-CN302 To PN1/2-CN303 To PN1/2-CN304 AG-Stomp DM 1/2 Circuit Board AG-Stomp DM 2/2 Circuit Board Pattern side AG-Stomp PN 1/2 Circuit Board To DM1/2-CN103 AG-Stomp PN 1/2 Circuit Board PN 2/2 Circuit Board AG-Stomp Pattern side Connection of Terminals Test ProgramSW Check Midi Check Input Output E1 Midi Receive Buffer Full Error MessagesOmni ON, Mono Parts List Overall Assembly Description Remarks Electrical Parts V7494000 XZ108A00 RG004470 V7491800 VK701100 PN 1/2 DM 2/2 AG-Stomp Overall Circuit Diagram 3/3 DM