Sony Ericsson NWZ-A826K NANDRBZ0, Nandale, NANDDA2, VDDL1, SWVBUS2, Capvbsw, Dischgvbus, Nandrez

Page 36

NWZ-A826/A826K/A828/A828K/A829

Pin No.

Pin Name

I/O

Description

D2

NAND_RBZ0

O

Read/busy signal output to the NAND flash memory

D3

NAND_ALE

O

Address latch enable signal output to the NAND flash memory

D4

NAND_DA2

I/O

Two-way data bus with the NAND flash memory

D5

IO_B

-

Not used

D6, D7

VDD_L1

I

Power supply input terminal (+1.2V)

D8

GND

-

Ground terminal

D9

NC

-

Not used

D10

GND

-

Ground terminal

D11 to D14

NC

-

Not used

D15

SWVBUS2

-

Not used

D16

CAPVBSW

-

Not used

D17

VCCVBAT

I

Power supply input terminal (+2.3 - 4.2V)

D18

AB0_A3

O

Address signal output to the USB controller

D19

IO_A

-

Not used

D20

AB0_A6

O

Address signal output to the USB controller

D21 to

NC

-

Not used

D23

 

 

 

D24, D25

AB0_D0, AB0_D2

I/O

Two-way data bus with the USB controller

D26

NC

-

Not used

E1

DISCHGVBUS

-

Not used

E2

NC

-

Not used

E3

NAND_REZ

O

Read enable signal output to the NAND flash memory

E4

NAND_DA3

I/O

Two-way data bus with the NAND flash memory

E5

IO_B

-

Not used

E6

NAND_DA5

I/O

Two-way data bus with the NAND flash memory

E7

NC

-

Not used

E8

NAND_DA7

I/O

Two-way data bus with the NAND flash memory

E9

NAND_CLE

O

Command latch enable signal output to the NAND flash memory

E10

BATSEL

-

Not used

E11

SWBAT

-

Not used

E12

CAPBTDL

-

Not used

E13

CAPADDL

-

Not used

E14

NC

-

Not used

E15

SWVBUS

-

Not used

E16, E17

NC

-

Not used

E18

AB0_A4

O

Address signal output to the USB controller

E19

FLASHCLK

O

Clock signal output terminal Not used

E20

AB0_A7

O

Address signal output to the USB controller

E21 to E23

NC

-

Not used

E24

AB0_XDMARQ

I

Request signal input from the USB controller

E25

AB0_D4

I/O

Two-way data bus with the USB controller

E26

NC

-

Not used

F1

DGND

-

Ground terminal

F2

CHGVBUS

-

Not used

F3, F4

NC

-

Not used

F5

IO_B

-

Not used

F22

AB0_CSZ2

O

Chip select signal output to the USB controller

F23

AB0_DACK

O

Acknowledge signal output to the USB controller

F24, F25

AB0_D3, AB0_D5

I/O

Two-way data bus with the USB controller

F26

NC

-

Not used

G1

DVDD

I

Power supply input terminal (+2.85V)

G2, G3

NC

-

Not used

G4

EXTRST

I

RESET switch input terminal

G5

NC

-

Not used

G22

ETHER_XINT

-

Not used

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Contents NWZ-A826/A826K/A828/A828K/A829 889-048-01NWZ-A826/A826K/A828/A828K/A829 Disassembly DiagramsFlexible Circuit Board Repairing Section Servicing NotesAEP, UK NWZ-A826KNWZ-A828K Section GeneralSection Disassembly Disassembly FlowCover REAR, Rear Assy Battery Main BoardLCD Assy Section Test Mode Power supply voltage checkOperation of the Test Mode 4-1. Power Battery voltage detection 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 Liquid crystal display is checked OtherDestination setting Sound pressure regulation settingKey check Frequency check that presses keyClear stereo setting With cable Clear stereo setting No cableBASS-Gain/Fc setting TREBLE-Gain/Fc settingBluetooth address setting Bluetooth address is set Bluetooth connection checkShutdown Section Diagrams Block Diagram PANEL, Power Supply Section For Printed Wiring Boards For Schematic DiagramsSide a Side BPrinted Wiring Board Main Board Side a Uses unleaded solder Semiconductor LocationPrinted Wiring Board Main Board Side B Uses unleaded solder 123 Main Board 1/7 IC701 123 Main Board 3/7 See page 32 for IC Block Diagrams BoardMain Board Main Board 6/7 Main Board 7/7 SW Board Side a SW Board Side B Uses unleaded solder123 SW Board 1/2 SW Board 2/2 IC Block Diagrams Main Board IC301 XC6401FF58DRMAX8671CETL+TG069 SW BoardIC Pin Function Description Nandwez IOBGND VccvbusNANDRBZ0 NandaleNANDDA2 VDDL1Lcdenable UsbsuspdNANDRBZ1 BtxrstResetz NANDCEZ0LCDB0 LCDG4, LCDG5Vlogin SdrcaszWakeup PsmlodetTusto SDRA0Sdrclk TM2AD4 Xholdkey AD5 KeywakeAD6 AD7 SPI0CSZ2DD1INB1, DD1INB2 DD1VFBK2DD1GNDA VGP1Section Exploded Views Cover Rear SectionRear Assy Section 106 1-756-702-11 BATTERY, Lithium ION Storage Main Board SectionFront Section Section Electrical Parts List MainCONNECTOR, FFC/FPC ZIF 11P MULTIPLE, ConnectorLED SMLA13BDTT86ST Bluetooth Ceramic Chip 5PFInductor COIL,COMMONMODECHOKE SMD1210Transistor Transistor EMX18Short Chip Switch SWITCH, Tactil ResetSWITCH, Slide Hold Terminal TERMINAL, ContactCONNECTOR, FFC/FPC ZIF 39PIN BATTERY, Lithium ION StorageBattery Assy US, CND, AEP, UK, FR, EE VaristorAccessories MANUAL, Instruction EnglishNWZ-A828K AEP NWZ-A826K AEP/NWZ-A828K AEPMemo Revision History Ver Date Description of Revision
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