NW-A805/A806/A808/NWZ-A815/A816/A818
NOTE THE MAIN BOARD REPLACING
When the MAIN board is replaced, format it according to the following.
Formatting Memory (Format)
You can format the built-in flash memory of the player.
If the memory is formatted, all music, video and photo data, etc., will be erased.
Be sure to verify the data stored in memory prior to formatting and export any important data to SonicStage or the hard disk of your computer.
5-way button
BACK/HOME button
•This function is only available in the pause mode.
1Press and hold the BACK/HOME button in the pause mode until the Home menu appears.
2Press the f/F/g/G button to select (Settings), and then press the 7 button to conrm.
3Press the f/F/g/G button to select “Common Settings,” and then press the 7 button to conrm.
The list of Common Settings options appears.
4Press the f/F/g/G button to select “Format,” and then press the 7 button to conrm.
“All data including songs will be deleted. Proceed?” appears.
5Press the f/F button to select “Yes,” and then press the 7 button to conrm.
“All data will be deleted. Proceed?” appears.
6Press the f/F button to select “Yes,” and then press the 7 button to conrm.
While the memory is being formatted, an animated display appears. When initialization finishes, “Memory formatted.” appears.
To cancel the operation
Select “No” in step 5 or 6 and press the 7 button to confirm.
To return to the previous menu
Press the BACK/HOME button.
Note
•Do not format the built-in flash memory using Windows Explorer.
ABOUT THE BLUE COLOR TYPE OF THE NWZ-A816 US MODEL
Blue color type of NWZ-A816 US model is using parts of violet color type.
Specifications
NW-A805/A806/A808
NW-A805/A806/A808/NWZ-A815/A816/A818
Table of Contents
Disassembly
Diagrams
Flexible Circuit Board Repairing
Formatting Memory Format
Color Variation
Whenusing the headphone extension cord
Parts and Controls
Disassembly Flow
Rear Cabinet Assy
Holder Connector
Main Board
Nand BOARD, SVX Switch Flexible PWB Assy
About Holding the bent part
SVX LCD Assy LCD801, Battery Assy
Front Button
Front Cabinet Assy
Operation of the Test Mode 4-1. Power
Power supply voltage check
Consumption current audio playback check
Battery voltage check
Standby current check
Charge current check
Audio
Frequency characteristic 1 check
Frequency characteristic 2 check
Output check
2. S/N check
CH separation L-ch check
CH separation R-ch check
Maximum output check
Normalizer check
Sound pressure regulation level check
Video
LCD display check
Other
Destination setting
Sound pressure regulation setting
Key check
Format
Section Diagrams
Block Diagram
Audio Video
Uses unleaded solder
Semiconductor
Location
Main Board Side B
Uses unleaded solder Semiconductor Location
Main Board 1/6
Schematic Diagram Main /6 See page 28 for IC Block Diagrams
IIC
IC701
IC803
Main Board 6/6
IC Block Diagrams Main Board
IC301 XC6401FF58DR IC303 MAX4764ETB+TG069
MAX8677AETG
IC Pin Function Description
Pin No Pin Name Description
IOB
Vccvbus
VDDL0
NANDCEZ2
Swadp
Capvbdl
Vccvbat
Idpullup
Flashclk
Chgvbus
AB0CSZ2
AB0XACK
Resetz
SDRDATA28
SDRDATA26
Lcdhsync
Vlogin
Lcdpxclk
SDRDQM1
Sdrwez
Vpll
CKI
Dspdet
Lcdbltctl
Vanain
Vana
AB1 VDDL0
AB2 Xusbok
Oscout
Xholdkey
Keywake
SPI0CSZ2
VGP45IN
DD2VFB2
DD2LX3 DD2LX1
DD2LX2
B5OUT
VCCIO2
Vaux
B1OUT
Exploded Views
Rear Cabinet Section NW-A805/A806/A808
Rear Cabinet Section NWZ-A815/A816/A818
BLACK, SILVER, VIOLET, Blue models only
Main BOARD, Nand Board Section NW-A805/A806/A808
109
Main BOARD, Nand Board Section NWZ-A815/A816/A818
159
Front Cabinet Section
208 207
Electrical Parts List
Main
Ceramic Chip 5PF
CS42L51-CNZR
Switch
Nand
NW-A805 E, MX, AUS, JE
CD-ROM Assy Russia Help
Revision History