Sony Ericsson NWZ-A828K, NWZ-A826K, NWZ-A829 service manual Memo

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NWZ-A826/A826K/A828/A828K/A829

MEMO

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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 EMX18 SWITCH, Tactil Reset Short Chip Switch SWITCH, 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