Sony Ericsson NWZ-A826K, NWZ-A829, NWZ-A828K service manual Section, General

Page 5

NWZ-A826/A826K/A828/A828K/A829

SECTION 2

 

This section is extracted

GENERAL

from instruction manual.

 

Parts and Controls

Front

BACK/HOME button*1

Press to go up one list screen level, or to return to the previous menu. Press and hold the BACK/HOME button to display the Home menu.

Headphone jack

For connecting the headphones. Insert the jack pin until it clicks into place. If the headphones are connected improperly, the sound from the headphones may not sound right.

WM-PORT jack

Use this jack to connect the supplied USB cable, or optional peripheral devices, such as supported accessories for the WM-PORT.

5-way button*2

Starts playback and enables navigation of the player’s on-screen menus.

Display

The display may vary, depending on functions.

Bluetooth antenna (aerial)

Bluetooth indicator

Indicates the status of the Bluetooth function.

VOL +* /– button2

Adjusts the volume.

BLUETOOTH button

Press and hold to turn on or off the Bluetooth function, and to establish or to end Bluetooth connection.

HOLD switch

You can protect the player against accidental operation by using the HOLD switch when carrying it. By sliding the HOLD switch to the direction of the arrow , all operation buttons are disabled. If you slide the HOLD switch to the opposite position, the HOLD function is released.

OPTION/PWR OFF button*1

Displays the option menu.

If you press and hold the OPTION/ PWR OFF button, screen turns off and the player enters standby mode. If you press any button while the player is in standby mode, the “Now Playing” screen, etc., appears and the player is ready for operation. Furthermore, if you leave the player in standby mode for about a day, the player turns completely off automatically. If you press any button when the player is turned of f, the start up screen appears f irst, then the “Now Playing” screen appears.

Note

The player consumes battery power very slightly even when it is in standby mode. Therefore, the player might turn completely off in a short time, depending on the power remaining in the battery.

Strap hole

Used to attach a strap (sold separately). You can attach the supplied stand and a strap at the same time.

*1 Functions marked with on the player are activated if you press and hold the corresponding buttons.

*2 There are tactile dots. Use them to help with button operations.

Rear

RESET button

Resets the player when you press the RESET button with a small pin, etc.

Accessory hole (type I)

Used to attach the supplied stand or the optional accessories.

Using the supplied stand

You can stand up the player using the supplied stand.

Notes

When standing the player with the stand, be careful not to press down or knock the player.

Stand up the player horizontally as shown. Do not stand it up vertically.

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Contents 889-048-01 NWZ-A826/A826K/A828/A828K/A829NWZ-A826/A826K/A828/A828K/A829 Diagrams DisassemblyFlexible Circuit Board Repairing Section Servicing NotesNWZ-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 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 settingShutdown Bluetooth address setting Bluetooth address is setBluetooth connection check 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+TG069IC 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