Sony NW-A808 Cki, Dspdet, Lcdbltctl, Crtck, Vpllin, Vdspin, Lcdpci, Lcdpon, CHGPEN2, Wrerr

Page 36

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

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

 

U24

C_TCK

I

Clock signal input terminal for JTAG

Not used

U25

VPLL

O

Power supply voltage output terminal

 

 

 

 

 

U26

CKI

I

Main system clock input terminal (11.2896MHz)

 

 

 

 

 

V1 to V3

IO_A

-

Not used

 

 

 

 

 

 

V4, V5,

SDR_A6, SDR_A5,

O

Address signal output to the 256Mbit SD-RAM

V8

SDR_A7

 

 

 

 

 

 

 

 

V9

GND

-

Ground terminal

 

V10

CHG_XCHGEN

O

Charge enable signal output to the charge control

V11

NC

-

Not used

 

V12 to

GND

-

Ground terminal

 

V15

 

 

 

 

 

 

 

 

 

 

V16

DSP_DET

-

Not used

 

 

 

 

 

V17

LCD_BLTCTL

O

Control signal output to the LCD back light driver

 

 

 

 

 

V18, V19

NC

-

Not used

 

V22

C_RTCK

I

Clock signal input terminal for JTAG

Not used

V23

C_TRSTZ

I

Reset signal input terminal for JTAG

Not used

V24

VPLLIN

I

Power supply voltage input terminal

 

 

 

 

 

 

V25

VDSPIN

I

Power supply voltage input terminal

 

 

 

 

 

 

V26

VDSP

-

Not used

 

 

 

 

 

 

W1

IOGND

-

Ground terminal

 

W2

LCD_PCI

O

PCI signal output to the liquid crystal display

W3

LCD_PON

O

PON signal output to the liquid crystal display

W4, W5

SDR_A4, SDR_A3

O

Address signal output to the 256Mbit SD-RAM

 

 

 

 

W8

CHG_PEN2

O

Charge enable signal output to the charge control

 

 

 

 

 

W9

GND

-

Ground terminal

 

 

 

 

 

 

W10

NC

-

Not used

 

 

 

 

 

 

W11 to

GND

-

Ground terminal

 

W18

 

 

 

 

 

 

 

 

 

 

W19

WR_ERR

-

Not used

 

W22

NC

-

Not used

 

 

 

 

 

W23

C_TDI

I

Data input terminal for JTAG Not used

 

 

 

 

 

W24, W25

IO_B

-

Not used

 

 

 

 

 

 

W26

VLO

O

Power supply voltage output terminal

 

 

 

 

 

 

Y1

IOVDD

-

Power supply terminal

 

Y2

CHG_ICTL

O

Charge on/off control signal output to the charge control

Y3

HP_XMUTE

O

Analog muting on/off control signal output terminal

 

 

 

 

Y4, Y5

SDR_A2, SDR_A1

O

Address signal output to the 256Mbit SD-RAM

 

 

 

 

 

Y22, Y23

TM1, TM0

-

Not used

 

 

 

 

 

 

Y24, Y25

VDD_DSP

-

Power supply terminal

 

 

 

 

 

 

Y26

VHP

O

Power supply voltage output terminal

 

AA1

CRD_LINEOUT

O

Selection signal output to the headphone/line selecter

AA2

WAKEUP_INT

I

Wake up signal input terminal

 

 

 

 

 

 

AA3

GPIO9

-

Not used

 

 

 

 

 

AA4

SDR_A0

O

Address signal output to the 256Mbit SD-RAM

 

 

 

 

AA5

SDR_CLK

O

Clock signal output to the 256Mbit SD-RAM

 

 

 

 

 

AA22,

GND

-

Ground terminal

 

AA23

 

 

 

 

 

 

 

 

 

 

AA24

TM2

-

Not used

 

36

Image 36
Contents Specifications NW-A805/A806/A808NW-A805/A806/A808/NWZ-A815/A816/A818 Table of Contents DisassemblyDiagrams 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 Battery voltage check Standby current checkCharge current check AudioFrequency characteristic 1 check Frequency characteristic 2 checkOutput check 2. S/N checkCH separation L-ch check CH separation R-ch checkMaximum output check Normalizer checkSound pressure regulation level check VideoLCD display check OtherDestination setting Sound pressure regulation settingKey check 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 DescriptionIOB VccvbusVDDL0 NANDCEZ2Swadp CapvbdlVccvbat IdpullupFlashclk ChgvbusAB0CSZ2 AB0XACKResetz SDRDATA28SDRDATA26 LcdhsyncVlogin LcdpxclkSDRDQM1 SdrwezVpll CKIDspdet LcdbltctlVanain VanaAB1 VDDL0 AB2 XusbokOscout XholdkeyKeywake SPI0CSZ2VGP45IN DD2VFB2DD2LX3 DD2LX1 DD2LX2B5OUT VCCIO2Vaux 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