Sony Ericsson NWZ-A828 Tusto, SDRA0, Sdrclk, TM2, AB1 VDDL0, AB2 Txdpuctl, AB3 Crddet, AB5 SDRBA0

Page 40

NWZ-A826/A826K/A828/A828K/A829

Pin No.

Pin Name

I/O

Description

AA3

TU_STO

I

Status signal input terminal Not used

AA4

SDR_A0

O

Address signal output to the SD-RAM

AA5

SDR_CLK

O

Clock signal output to the SD-RAM

AA22,

GND

-

Ground terminal

AA23

 

 

 

AA24

TM2

-

Not used

AA25

VANAIN

I

Power supply input terminal (+2.9 - 4.2V)

AA26

VANA

O

Power supply output terminal (+2.85V)

AB1

VDD_L0

I

Power supply input terminal (+1.2V)

AB2

TXD_PUCTL

I

Serial data input terminal

AB3

CRD_DET

I

Wake up signal input from the WM-PORT connector

AB4

CHG_XFLT

I

Fault signal input from the power control

AB5

SDR_BA0

O

Bank address signal output to the SD-RAM

AB6, AB7

NC

-

Not used

AB8

USB_SUSPEND

O

USB suspend signal output to the power control

AB9

IO_C

-

Not used

AB10 to

NC

-

Not used

AB12

 

 

 

AB13

USB_XRST

O

Reset signal output to the USB controller

AB14

USB_INT2

I

Interrupt request signal input from the USB controller

AB15 to

MS_DATA3, MS_

-

Not used

AB17

DATA2, MS_DATA0

 

 

AB18

MS_INSZ

-

Not used

AB19

WR_LEDCTL

-

Not used

AB20

PM1_SEN

-

Not used

AB21

PM1_CLK

-

Not used

AB22

PM0_SEN

I

L/R sampling clock signal input from the A/D, D/A converter

AB23,

GND

-

Ground terminal

AB24

 

 

 

AB25

GND1

-

Ground terminal

AB26

OSCIN

I

Sub system clock input terminal (32.768 kHz)

AC1 to

IO_A

-

Not used

AC3

 

 

 

AC4

XCHG_DET

I

Charge detection signal input from the power control

AC5

USB_INT1

I

Interrupt request signal input from the USB controller

AC6

SPIO_XCS0

O

Chip select signal output to the liquid crystal display

AC7

SPI0_SK

O

Serial data transfer clock signal output to the A/D, D/A converter and liquid crystal display

AC8

SPI0_SO

O

Serial data output to the A/D, D/A converter and liquid crystal display

AC9

IO_C

-

Not used

AC10 to

NC

-

Not used

AC13

 

 

 

AC14

AVDD_LPLL

I

Power supply input terminal (+1.2V)

AC15

AVDD_HPLL

I

Power supply input terminal (+1.2V)

AC16

MS_DATA1

-

Not used

AC17

MS_BS

-

Not used

AC18

MS_SCK0

-

Not used

AC19

NC

-

Not used

AC20

ADA_XRST

O

Reset signal output to the A/D, D/A converter

AC21

PM0_CLK

I

Bit clock signal input from the A/D, D/A converter

AC22

PM0_SO

O

Serial audio data output to the A/D, D/A converter

AC23

BT_LEDCTL1

O

LED drive signal output terminal for the bluetooth indicator

AC24

VLOIN

I

Power supply input terminal (+1.8V)

AC25

IO_C

-

Not used

AC26

OSCOUT

O

Sub system clock output terminal (32.768 kHz)

AD1

NC

-

Not used

AD2

BT_DET

I

Bluetooth signal detection signal input terminal

AD3

XNC_KEY

I

Key input terminal 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 NotesNWZ-A826K AEP, UKNWZ-A828K Section GeneralDisassembly Flow Section DisassemblyCover REAR, Rear Assy Battery Main BoardLCD Assy Power supply voltage check Section Test ModeOperation 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 connection check Bluetooth address setting Bluetooth address is setShutdown 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 VDDL1 Lcdenable Usbsuspd NANDRBZ1 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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