Sony Ericsson NWZ-A829 Usbsuspd, NANDRBZ1, Btxrst, Btpwrctl, Ncpwron, NANDRBZ2, BTLEDCTL2, AB0RDZ

Page 37

NWZ-A826/A826K/A828/A828K/A829

Pin No.

Pin Name

I/O

Description

G23 to

AB0_D15 to AB0_D13

I/O

Two-way data bus with the USB controller

G25

 

 

 

G26

NC

-

Not used

H1

USBSUSPD

-

Not used

H2

NC

-

Not used

 

SDR_DATA25,

 

 

H3 to H5

SDR_DATA27,

I/O

Two-way data bus with the SD-RAM

 

SDR_DATA31

 

 

H8

NAND_RBZ1

O

Read/busy signal output to the NAND flash memory (NWZ-A828/A828K/A829 only)

H9

BT_XRST

O

Reset signal output to the bluetooth controller

H10

BT_PWRCTL

O

Power control signal output terminal for the bluetooth section

H11, H12

NC

-

Not used

H13

NC_PWRON

O

Power control signal output terminal Not used

H14, H15

NC

-

Not used

H16

AB0_WRZ

O

Write strobe signal output to the USB controller

H17

NC

-

Not used

H18, H19

AB0_A1, AB0_A2

O

Address signal output to the USB controller

H22 to

AB0_D8, AB0_D9,

I/O

Two-way data bus with the USB controller

H25

AB0_D7, AB0_D6

 

 

H26

NC

-

Not used

J1 to J3

IO_A

-

Not used

J4, J5

SDR_DATA29,

I/O

Two-way data bus with the SD-RAM

SDR_DATA30

 

 

 

J8

NAND_RBZ2

O

Read/busy signal output to the NAND flash memory (NWZ-A829 only)

J9

BT_LEDCTL2

O

LED drive signal output terminal for the bluetooth indicator

J10

SPI_CS_SEL

O

Chip select signal selection signal output terminal Not used

J11 to J17

GND

-

Ground terminal

J18

NC

-

Not used

J19

AB0_RDZ

O

Read strobe signal output to the USB controller

J22 to J24

AB0_D10 to AB0_D12

I/O

Two-way data bus with the USB controller

J25

CHGGND1

-

Ground terminal

J26

NC

-

Not used

K1 to K3

VDD_L1

I

Power supply input terminal (+1.2V)

K4, K5

SDR_DATA28,

I/O

Two-way data bus with the SD-RAM

SDR_DATA26

 

 

 

K8

NAND_RBZ3

O

Read/busy signal output to the NAND flash memory (NWZ-A828/A828K/A829 only)

K9

NAND_DA6

I/O

Two-way data bus with the NAND flash memory

K10 to K18

GND

-

Ground terminal

K19

NC

-

Not used

K22

LCD_HSYNC

O

Horizontal sync signal output to the liquid crystal display

K23

LCD_ENABLE

O

Enable signal output to the liquid crystal display

K24

LCD_VSYNC

O

Vertical sync signal output to the liquid crystal display

K25

CHGGND2

-

Ground terminal

K26

NC

-

Not used

 

SDR_DATA23 to

 

 

L1 to L5

SDR_DATA20,

I/O

Two-way data bus with the SD-RAM

 

SDR_DATA24

 

 

L8

SDR_DATA19

I/O

Two-way data bus with the SD-RAM

L9

NAND_DA4

I/O

Two-way data bus with the NAND flash memory

L10

GND

-

Ground terminal

L11

NC

-

Not used

L17, L18

GND

-

Ground terminal

L19

LCD_B1

O

RGB video (blue) signal output to the liquid crystal display

L22 to L25

LCD_B2 to LCD_B5

O

RGB video (blue) signal output to the liquid crystal display

L26

NC

-

Not used

M1 to M5

SDR_DATA18 to

I/O

Two-way data bus with the SD-RAM

SDR_DATA14

 

 

 

M8

SDR_DATA13

I/O

Two-way data bus with the SD-RAM

37

Image 37
Contents 889-048-01 NWZ-A826/A826K/A828/A828K/A829NWZ-A826/A826K/A828/A828K/A829 Diagrams DisassemblyFlexible Circuit Board Repairing Section Servicing NotesNWZ-A826K AEP, UKNWZ-A828K General SectionDisassembly Flow Section DisassemblyCover REAR, Rear Assy Main Board BatteryLCD Assy Power supply voltage check Section Test ModeOperation of the Test Mode 4-1. Power Standby current check Battery voltage detection checkCharge current check AudioFrequency characteristic 2 check Frequency characteristic 1 checkOutput check 2. S/N checkCH separation R-ch check CH separation L-ch checkMaximum output check Normalizer checkVideo Sound pressure regulation level checkLCD display check Liquid crystal display is checked OtherSound pressure regulation setting Destination settingKey check Frequency check that presses keyClear stereo setting No cable Clear stereo setting With cableBASS-Gain/Fc setting TREBLE-Gain/Fc settingBluetooth connection check Bluetooth address setting Bluetooth address is setShutdown Section Diagrams Block Diagram PANEL, Power Supply Section For Schematic Diagrams For Printed Wiring BoardsSide a Side BSemiconductor Location Printed Wiring Board Main Board Side a Uses unleaded solderPrinted Wiring Board Main Board Side B Uses unleaded solder 123 Main Board 1/7 IC701 123 Main Board 3/7 Board See page 32 for IC Block DiagramsMain Board Main Board 6/7 Main Board 7/7 Uses unleaded solder SW Board Side a SW Board Side B123 SW Board 1/2 SW Board 2/2 IC301 XC6401FF58DR IC Block Diagrams Main BoardSW Board MAX8671CETL+TG069 IC Pin Function Description IOB NandwezGND VccvbusNandale NANDRBZ0NANDDA2 VDDL1Usbsuspd LcdenableNANDRBZ1 BtxrstNANDCEZ0 ResetzLCDB0 LCDG4, LCDG5Sdrcasz VloginWakeup PsmlodetSDRA0 TustoSdrclk TM2AD5 Keywake AD4 XholdkeyAD6 AD7 SPI0CSZ2DD1VFBK2 DD1INB1, DD1INB2DD1GNDA VGP1Cover Rear Section Section Exploded ViewsRear Assy Section Main Board Section 106 1-756-702-11 BATTERY, Lithium ION StorageFront Section Main Section Electrical Parts ListMULTIPLE, Connector CONNECTOR, FFC/FPC ZIF 11PLED SMLA13BDTT86ST Bluetooth Ceramic Chip 5PFCOIL,COMMONMODECHOKE SMD1210 InductorTransistor Transistor EMX18SWITCH, Tactil Reset Short Chip SwitchSWITCH, Slide Hold Terminal TERMINAL, ContactBATTERY, Lithium ION Storage CONNECTOR, FFC/FPC ZIF 39PINBattery Assy US, CND, AEP, UK, FR, EE VaristorMANUAL, Instruction English AccessoriesNWZ-A828K AEP NWZ-A826K AEP/NWZ-A828K AEPMemo Ver Date Description of Revision Revision History