Sony Ericsson NWZ-A828, NWZ-A826K Nand capacity check, Clear stereo setting With cable, Dac

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4-4-8. NAND capacity check

Capacity of NAND flash memory, present bud block, maximum bud block, and vender ID are displayed.

Checking method:

1.Enter the test mode.

2.Press the [v]/[V] key to select the “OTHER”, and press the [B] key to enter the minor item.

3.Press the [v]/[V] key to select the “NCAPCHK”.

4.Press the [u] key, capacity of NAND flash memory, present bud block, maximum bud block, and vender ID are displayed.

liquid crystal display

OTHER NCAPCHK

XGB

BAD BLOCK

CUR (####)/MAX (@@@@)

VENDOR ($$$$)

X: Capacity of NAND flash memory 4/8/16 (4 GB/8 GB/16 GB)

@@@@ : Number of present bud block

(It makes an error the acquisition of the number of bud blocks at “–1”)

####: Number of maximum bud block

(It makes an error the acquisition of the vender ID at “–1”)

$$$$ : Vender ID of NAND flash memory 0x98/0xec (TOSHIBA/SAMSUNG)

(It makes an error the acquisition of the vender ID at “–1”)

5. Press the [BACK] key, return to minor item selection screen.

4-5. CLESTE

liquid crystal display

MPTAPP MENU

POWER

AUDIO

VIDEO

OTHER

CLESTE WCABLE

DAC WOCABLE

BLUETOOTH

SHUTDOWN

EXITTEST

4-5-1. Clear stereo setting (With cable)

This mode is according to an original sound playback, for adjust- ment to right and left sound.

Note: Not used for the servicing.

NWZ-A826/A826K/A828/A828K/A829

4-5-2. Clear stereo setting (No cable)

This mode is according to an original sound playback, for adjust- ment to right and left sound.

Note: Not used for the servicing.

4-6. DAC

liquid crystal display

MPTAPP MENU

POWER

AUDIO

VIDEO

OTHER

CLESTE

DAC B-GAIN

BLUETOOTH T-GAIN

SHUTDOWN

EXITTEST

4-6-1. BASS-Gain/Fc setting

This mode is adjustment for the sound of BASS when playback.

Note: Not used for the servicing.

4-6-2. TREBLE-Gain/Fc setting

This mode is adjustment for the sound of TREBLE when play- back.

Note: Not used for the servicing.

4-7. BLUETOOTH

liquid crystal display

MPTAPP MENU

POWER

AUDIO

VIDEO

OTHER

CLESTE

DAC

BLUETOOTH SETADR

SHUTDOWN SETCH

EXITTEST SETPWR

CONNECT

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Contents 889-048-01 NWZ-A826/A826K/A828/A828K/A829NWZ-A826/A826K/A828/A828K/A829 Section Servicing Notes DisassemblyDiagrams Flexible Circuit Board RepairingAEP, UK NWZ-A826KNWZ-A828K General SectionSection Disassembly Disassembly FlowCover REAR, Rear Assy Main Board BatteryLCD Assy Section Test Mode Power supply voltage checkOperation of the Test Mode 4-1. Power 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 settingBluetooth address setting Bluetooth address is set Bluetooth connection checkShutdown 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