Sony Ericsson NWZ-A828 Nandwez, Iob, Gnd, Vccvbus, Ioa, VDDL0, NANDCEZ2, NANDDA0, KEYAD1, Advcc

Page 35

NWZ-A826/A826K/A828/A828K/A829

MAIN BOARD IC601 MC-10051BF1-FAE-A (SYSTEM CONTROLLER, POWER CONTROL)

Pin No.

Pin Name

I/O

Description

A1 to A3

NC

-

Not used

A4

NAND_WEZ

O

Write enable signal output to the NAND flash memory

A5

IO_B

-

Not used

A6 to A10

NC

-

Not used

A11 to A13

GND

-

Ground terminal

A14 to A16

NC

-

Not used

A17

VCCVBUS

I

Power supply input terminal (+5V)

A18

NC

-

Not used

A19

IO_A

-

Not used

A20

VDD_L0

I

Power supply input terminal (+1.2V)

A21

AB0_A8

O

Address signal output to the USB controller

A22 to A26

NC

-

Not used

B1, B2

NC

-

Not used

B3

NAND_CEZ2

O

Chip enable signal output to the NAND flash memory (NWZ-A829 only)

B4

NAND_DA0

I/O

Two-way data bus with the NAND flash memory

B5

IO_B

-

Not used

B6

KEY_AD1

I

Key input terminal (A/D input)

B7, B8

ADIN6, ADIN8

-

Not used

B9

ADVCC

I

Power supply input terminal (+2.85V)

B10

CPEN

-

Not used

B11, B12

GND

-

Ground terminal

B13

SWGND

-

Ground terminal

B14

NC

-

Not used

B15

SWADP2

-

Not used

B16

GND

-

Ground terminal

B17

VCCADP

I

Power supply input terminal (+5V)

B18

NC

-

Not used

B19

IO_A

-

Not used

B20

VDD_L0

I

Power supply input terminal (+1.2V)

B21 to B26

NC

-

Not used

C1

NC

-

Not used

C2

NAND_CEZ1

O

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

C3

NAND_CEZ3

O

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

C4

NAND_DA1

I/O

Two-way data bus with the NAND flash memory

C5

IO_B

-

Not used

C6

KEY_AD0

I

Key input terminal (A/D input)

C7

ADIN5

-

Not used

C8

CRD_AD

I

A/D value detection signal input from the WM-PORT connector

C9

ADGND

-

Ground terminal

C10

NC

-

Not used

C11

GND

-

Ground terminal

C12

NC

-

Not used

C13

GND

-

Ground terminal

C14

NC

-

Not used

C15

SWADP

-

Not used

C16

CAPVBDL

-

Not used

C17

VCCVBAT

I

Power supply input terminal (+2.3 - 4.2V)

C18

NC

-

Not used

C19

IO_A

-

Not used

C20

AB0_A5

O

Address signal output to the USB controller

C21 to

NC

-

Not used

C24

 

 

 

C25

AB0_D1

I/O

Two-way data bus with the USB controller

C26

NC

-

Not used

D1

IDPULLUP

-

Not used

35

Image 35
Contents 889-048-01 NWZ-A826/A826K/A828/A828K/A829NWZ-A826/A826K/A828/A828K/A829 Section Servicing Notes DisassemblyDiagrams Flexible Circuit Board RepairingNWZ-A828K AEP, UKNWZ-A826K General SectionCover REAR, Rear Assy Section DisassemblyDisassembly Flow Main Board BatteryLCD Assy Operation of the Test Mode 4-1. Power Section Test ModePower supply voltage check Audio Battery voltage detection checkStandby current check Charge current check2. S/N check Frequency characteristic 1 checkFrequency characteristic 2 check Output checkNormalizer check CH separation L-ch checkCH separation R-ch check Maximum output checkOther Sound pressure regulation level checkVideo LCD display check Liquid crystal display is checkedFrequency check that presses key Destination settingSound pressure regulation setting Key checkTREBLE-Gain/Fc setting Clear stereo setting With cableClear stereo setting No cable BASS-Gain/Fc settingShutdown Bluetooth address setting Bluetooth address is setBluetooth connection check Section Diagrams Block Diagram PANEL, Power Supply Section Side B For Printed Wiring BoardsFor Schematic Diagrams Side aSemiconductor 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+TG069IC Pin Function Description Vccvbus NandwezIOB GNDVDDL1 NANDRBZ0Nandale NANDDA2Btxrst LcdenableUsbsuspd NANDRBZ1LCDG4, LCDG5 ResetzNANDCEZ0 LCDB0Psmlodet VloginSdrcasz WakeupTM2 TustoSDRA0 SdrclkAD7 SPI0CSZ2 AD4 XholdkeyAD5 Keywake AD6VGP1 DD1INB1, DD1INB2DD1VFBK2 DD1GNDACover Rear Section Section Exploded ViewsRear Assy Section Main Board Section 106 1-756-702-11 BATTERY, Lithium ION StorageFront Section Main Section Electrical Parts ListCeramic Chip 5PF CONNECTOR, FFC/FPC ZIF 11PMULTIPLE, Connector LED SMLA13BDTT86ST BluetoothTransistor EMX18 InductorCOIL,COMMONMODECHOKE SMD1210 TransistorTERMINAL, Contact Short Chip SwitchSWITCH, Tactil Reset SWITCH, Slide Hold TerminalVaristor CONNECTOR, FFC/FPC ZIF 39PINBATTERY, Lithium ION Storage Battery Assy US, CND, AEP, UK, FR, EENWZ-A826K AEP/NWZ-A828K AEP AccessoriesMANUAL, Instruction English NWZ-A828K AEPMemo Ver Date Description of Revision Revision History