NW-A805/A806/A808/NWZ-A815/A816/A818
SECTION 3Ver. 1.3
DISASSEMBLY
•This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
SET
3-2. REAR CABINET ASSY (Page 7)
3-3. MAIN BOARD
(Page 8)
3-4. HOLDER CONNECTOR (Page 8)
3-5. NAND BOARD,
SVX SWITCH FLEXIBLE (PWB ASSY) (Page 9)
3-7. FRONT BUTTON (Page 10)
3-8. SVX LCD ASSY (LCD801),
BATTERY ASSY (Page 10)
3-9. FRONT CABINET ASSY (Page 11)
3-6. NOTE WHEN INSTALLING THE SVX SWITCH FLEXIBLE (PWB ASSY) (Page 9)
Note: Follow the disassembly procedure in the numerical order given.
3-2. REAR CABINET ASSY
Note 1: Adhesive (rear) cannot re-used. Please replace to brand-new part once adhesive (rear) is removed.
Note 2: On installation of hold button, adjust the position of hold switch (S602) hold button.
hold button
6 adhesive (rear)
hold switch (S602)
4two claws
8rear cabinet assy
(BLACK, SILVER,
VIOLET, BLUE models only)
7 spacer (belt)
3 claw
1two ornament pins
hold button
6adhesive (rear)
Note 3: Blue color type of NWZ-A816 US model is using parts of violet color type.
NW-A805/A806/A808
Specifications
NW-A805/A806/A808/NWZ-A815/A816/A818
Flexible Circuit Board Repairing
Table of Contents
Disassembly
Diagrams
Formatting Memory Format
Color Variation
Parts and Controls
Whenusing the headphone extension cord
Rear Cabinet Assy
Disassembly Flow
Main Board
Holder Connector
About Holding the bent part
Nand BOARD, SVX Switch Flexible PWB Assy
Front Button
SVX LCD Assy LCD801, Battery Assy
Front Cabinet Assy
Operation of the Test Mode 4-1. Power
Power supply voltage check
Consumption current audio playback check
Audio
Battery voltage check
Standby current check
Charge current check
2. S/N check
Frequency characteristic 1 check
Frequency characteristic 2 check
Output check
Normalizer check
CH separation L-ch check
CH separation R-ch check
Maximum output check
Other
Sound pressure regulation level check
Video
LCD display check
Format
Destination setting
Sound pressure regulation setting
Key check
Block Diagram
Section Diagrams
Audio Video
Uses unleaded solder
Semiconductor
Location
Uses unleaded solder Semiconductor Location
Main Board Side B
Main Board 1/6
Schematic Diagram Main /6 See page 28 for IC Block Diagrams
IIC
IC701
IC803
Main Board 6/6
IC301 XC6401FF58DR IC303 MAX4764ETB+TG069
IC Block Diagrams Main Board
MAX8677AETG
Pin No Pin Name Description
IC Pin Function Description
NANDCEZ2
IOB
Vccvbus
VDDL0
Idpullup
Swadp
Capvbdl
Vccvbat
AB0XACK
Flashclk
Chgvbus
AB0CSZ2
Lcdhsync
Resetz
SDRDATA28
SDRDATA26
Sdrwez
Vlogin
Lcdpxclk
SDRDQM1
Lcdbltctl
Vpll
CKI
Dspdet
AB2 Xusbok
Vanain
Vana
AB1 VDDL0
SPI0CSZ2
Oscout
Xholdkey
Keywake
DD2LX2
VGP45IN
DD2VFB2
DD2LX3 DD2LX1
B1OUT
B5OUT
VCCIO2
Vaux
Rear Cabinet Section NW-A805/A806/A808
Exploded Views
BLACK, SILVER, VIOLET, Blue models only
Rear Cabinet Section NWZ-A815/A816/A818
109
Main BOARD, Nand Board Section NW-A805/A806/A808
159
Main BOARD, Nand Board Section NWZ-A815/A816/A818
208 207
Front Cabinet Section
Main
Electrical Parts List
Ceramic Chip 5PF
CS42L51-CNZR
Switch
NW-A805 E, MX, AUS, JE
Nand
CD-ROM Assy Russia Help
Revision History