Sony NW-A808, NW-A806 service manual IC Pin Function Description, Pin No Pin Name Description

Page 30

NW-A805/A806/A808/NWZ-A815/A816/A818

•IC Pin Function Description

MAIN BOARD IC302 CS42L51-CNZR (A/D CONVERTER, D/A CONVERTER)

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

1

LRCK

I/O

L/R sampling clock signal input/output with the system controller

 

 

 

 

2

SDA/CDIN

I/O

I2C mode : Serial date input/output with the system controller

SPI mode : Serial date input from the system controller

 

 

 

 

 

 

 

3

SCL/CCLK

I

Serial data transfer clock signal input from the system controller

4

AD0/nCS

I

I2C mode : Address signal input from the system controller

SPI mode : Chip select signal input from the system controller

 

 

 

 

 

 

 

 

5

VA_HP

-

Power supply terminal (+1.8V)

 

6

FLYP

I

Connected to the external charge pump capacitor (positive node)

 

 

 

 

 

7

GND_HP

-

Ground terminal

 

 

 

 

 

8

FLYN

I

Connected to the external charge pump capacitor (negative node)

 

 

 

 

9

VSS_HP

-

Connected to the capacitor for the internal analog headphone section

10

AOUTB

O

R-ch analog audio signal output to the headphone and WM-port

11

AOUTA

O

L-ch analog audio signal output to the headphone and WM-port

12

VA

-

Power supply terminal (+1.8V)

 

 

 

 

 

 

13

AGND

-

Ground terminal

 

 

 

 

 

 

14

DAC_FILT+

-

Not used

 

 

 

 

 

 

15

VQ

-

Not used

 

 

 

 

 

 

16

ADC_FILT+

-

Not used

 

17

MICIN1/AIN3A

I

Analog audio signal input terminal

Not used

18

MICIN2/AIN3B/

I

Analog audio signal input terminal

Not used

BIAS

 

 

 

 

 

 

 

 

 

19

AIN2A

I

Analog audio signal input terminal

Not used

 

 

 

 

 

20

AIN2B/BIAS

I

Analog audio signal input terminal

Not used

 

 

 

 

 

21

AFILTA

-

Not used

 

 

 

 

 

 

22

AFILTB

-

Not used

 

23

AIN1A

I

L-ch analog audio signal input from the WM-port

24

AIN1B

I

R-ch analog audio signal input from the WM-port

25

nRESET

I

Reset signal input from the system controller

 

 

 

 

 

26

VL

-

Power supply terminal

 

 

 

 

 

 

27

VD

-

Power supply terminal (+1.8V)

 

 

 

 

 

 

28

DGND

-

Ground terminal

 

29

SDOUT

O

Serial audio date output to the system controller

30

MCLK

I

Master clock signal input from the system controller

31

SCLK

O

Serial clock signal output to the system controller

 

 

 

 

32

SDIN

I

Serial audio date input from the system controller

 

 

 

 

 

33

AGND

-

Ground terminal

 

 

 

 

 

 

30

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Contents Specifications NW-A805/A806/A808NW-A805/A806/A808/NWZ-A815/A816/A818 Diagrams Table of ContentsDisassembly Flexible Circuit Board RepairingFormatting Memory Format Color Variation Whenusing the headphone extension cord Parts and ControlsDisassembly Flow Rear Cabinet AssyHolder Connector Main BoardNand BOARD, SVX Switch Flexible PWB Assy About Holding the bent partSVX LCD Assy LCD801, Battery Assy Front ButtonFront Cabinet Assy Power supply voltage check Operation of the Test Mode 4-1. PowerConsumption current audio playback check Charge current check Battery voltage checkStandby current check AudioOutput check Frequency characteristic 1 checkFrequency characteristic 2 check 2. S/N checkMaximum output check CH separation L-ch checkCH separation R-ch check Normalizer checkLCD display check Sound pressure regulation level checkVideo OtherKey check Destination settingSound pressure regulation setting FormatSection Diagrams Block DiagramAudio Video Semiconductor Uses unleaded solderLocation Main Board Side B Uses unleaded solder Semiconductor LocationMain Board 1/6 Schematic Diagram Main /6 See page 28 for IC Block Diagrams IIC IC701 IC803 Main Board 6/6 IC Block Diagrams Main Board IC301 XC6401FF58DR IC303 MAX4764ETB+TG069MAX8677AETG IC Pin Function Description Pin No Pin Name DescriptionVDDL0 IOBVccvbus NANDCEZ2Vccvbat SwadpCapvbdl IdpullupAB0CSZ2 FlashclkChgvbus AB0XACKSDRDATA26 ResetzSDRDATA28 LcdhsyncSDRDQM1 VloginLcdpxclk SdrwezDspdet VpllCKI LcdbltctlAB1 VDDL0 VanainVana AB2 XusbokKeywake OscoutXholdkey SPI0CSZ2DD2LX3 DD2LX1 VGP45INDD2VFB2 DD2LX2Vaux B5OUTVCCIO2 B1OUTExploded Views Rear Cabinet Section NW-A805/A806/A808Rear Cabinet Section NWZ-A815/A816/A818 BLACK, SILVER, VIOLET, Blue models onlyMain BOARD, Nand Board Section NW-A805/A806/A808 109Main BOARD, Nand Board Section NWZ-A815/A816/A818 159Front Cabinet Section 208 207Electrical Parts List MainCeramic Chip 5PF CS42L51-CNZR Switch Nand NW-A805 E, MX, AUS, JECD-ROM Assy Russia Help Revision History
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