Sony Ericsson NWZ-A828K, NWZ-A826K, NWZ-A829 service manual LCD Assy

Page 8

NWZ-A826/A826K/A828/A828K/A829

3-5. LCD ASSY

two claws

R Open the LCD assy

in the direction of the arrow.

LCD flexible board

LCD assy

RT Pull out the

LCD flexible board.

RE LCD assy

LCD flexible board (CN801)

SW board

two screws (M1.4)

two spacers (WM-P)

Front block

two claws

RB boss

two screws (B1.4)

sheet (LCD-B)

screw (B1.4)

waterproof jack (J301)

Remove the waterproof jack (J301)	Front block
in the direction of the arrow.

8

Image 8

Contents NWZ-A826/A826K/A828/A828K/A829 889-048-01NWZ-A826/A826K/A828/A828K/A829 Disassembly DiagramsFlexible Circuit Board Repairing Section Servicing NotesNWZ-A828K AEP, UKNWZ-A826K Section GeneralCover REAR, Rear Assy Section DisassemblyDisassembly Flow Battery Main BoardLCD Assy Operation of the Test Mode 4-1. Power Section Test ModePower supply voltage check 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 settingShutdown Bluetooth address setting Bluetooth address is setBluetooth connection check 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