Contents
NWZ-A826/A826K/A828/A828K/A829
889-048-01
NWZ-A826/A826K/A828/A828K/A829
Flexible Circuit Board Repairing
Disassembly
Diagrams
Section Servicing Notes
AEP, UK
NWZ-A826K
NWZ-A828K
Section
General
Section Disassembly
Disassembly Flow
Cover REAR, Rear Assy
Battery
Main Board
LCD Assy
Section Test Mode
Power supply voltage check
Operation of the Test Mode 4-1. Power
Charge current check
Battery voltage detection check
Standby current check
Audio
Output check
Frequency characteristic 1 check
Frequency characteristic 2 check
2. S/N check
Maximum output check
CH separation L-ch check
CH separation R-ch check
Normalizer check
LCD display check Liquid crystal display is checked
Sound pressure regulation level check
Video
Other
Key check
Destination setting
Sound pressure regulation setting
Frequency check that presses key
BASS-Gain/Fc setting
Clear stereo setting With cable
Clear stereo setting No cable
TREBLE-Gain/Fc setting
Bluetooth address setting Bluetooth address is set
Bluetooth connection check
Shutdown
Section Diagrams
Block Diagram PANEL, Power Supply Section
Side a
For Printed Wiring Boards
For Schematic Diagrams
Side B
Printed Wiring Board Main Board Side a Uses unleaded solder
Semiconductor Location
Printed 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
Board
Main Board
Main Board 6/7
Main Board 7/7
SW Board Side a SW Board Side B
Uses unleaded solder
123 SW Board 1/2
SW Board 2/2
IC Block Diagrams Main Board
IC301 XC6401FF58DR
MAX8671CETL+TG069
SW Board
IC Pin Function Description
GND
Nandwez
IOB
Vccvbus
NANDDA2
NANDRBZ0
Nandale
VDDL1
NANDRBZ1
Lcdenable
Usbsuspd
Btxrst
LCDB0
Resetz
NANDCEZ0
LCDG4, LCDG5
Wakeup
Vlogin
Sdrcasz
Psmlodet
Sdrclk
Tusto
SDRA0
TM2
AD6
AD4 Xholdkey
AD5 Keywake
AD7 SPI0CSZ2
DD1GNDA
DD1INB1, DD1INB2
DD1VFBK2
VGP1
Section Exploded Views
Cover Rear Section
Rear Assy Section
106 1-756-702-11 BATTERY, Lithium ION Storage
Main Board Section
Front Section
Section Electrical Parts List
Main
LED SMLA13BDTT86ST Bluetooth
CONNECTOR, FFC/FPC ZIF 11P
MULTIPLE, Connector
Ceramic Chip 5PF
Transistor
Inductor
COIL,COMMONMODECHOKE SMD1210
Transistor EMX18
SWITCH, Slide Hold Terminal
Short Chip Switch
SWITCH, Tactil Reset
TERMINAL, Contact
Battery Assy US, CND, AEP, UK, FR, EE
CONNECTOR, FFC/FPC ZIF 39PIN
BATTERY, Lithium ION Storage
Varistor
NWZ-A828K AEP
Accessories
MANUAL, Instruction English
NWZ-A826K AEP/NWZ-A828K AEP
Memo
Revision History
Ver Date Description of Revision