Sony NW-A808, NW-A806 service manual Main Board 1/6

Page 22

NW-A805/A806/A808/NWZ-A815/A816/A818

Ver. 1.2

5-4. SCHEMATIC DIAGRAM – MAIN Section (1/6) – • See page 28 for IC Block Diagrams. • See page 30 for IC Pin Function Description.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

A

MAIN BOARD (1/6)

R302

0

VDD_HP

CRD_LINEOUT

HP_XMUTE

R306

R102

22k

LINE_IN_L

0

3

B

LINE_IN_R

R104

R202

R204

22k

22k

Q304

22k

CL101

MAIN

IC B/D

UNR31A600LS0

LINE_OUT_L

IC301

BOARD

C104

C202

C102

C106

0.001

Q301,304

CL201

LINE_OUT_R

(4/6)

150p

1

C206

0.001

MUTING CONTROL

(Page

1

R304

+1.8V REGULATOR

C204

150p

C105

0.001

25)

150k

C103

0.001

C205

0.001

1

2 1

EN2

VOUT2

5 6

J301

C203

0.001

(HEADPHONE)

IC301

FB101

CL102

VIN

VOUT1

L

L

MAIN

XC6401FF58DR

C

3

EN1

GND

VSS

4

FB201

CL202

R

R

BOARD

G

(3/6)

7

R313

CL301

G

(Page

Q301

1k

24

23

22

21

20

19

18

17

UNR31A600LS0

HP FLEXIBLE

24)

C305

D101 RSB6.8STE61

D201 RSB6.8STE61

R305

R110

C210R210

AIN1B

AIN1A

AFILTB

AFILTA

AIN2B/BIAS

AIN2A

MICIN2/AIN3B/BIAS

MICIN1/AIN3A

2.2

0.222.2

BOARD

220k

10

R307

1k

R312

C312

R108

R208

R109

R209

22

0

470

470

470

470

ADA_XRST

27 26 25

nRESET

ADC_FILT+

14 15 16

-1

-2

-1

-2

D

C313

0.1

C110 0.22

VL

VQ

Q302

Q303

C301

0.001

C302

C314

1

C319

C321

Q302,303

0.1

4.7

0.022

EMX18

EMX18

C303

VD

DAC_FILT+

1

MUTING

C315

0.1

28

DGND

IC302

AGND

13

FB301

A/D CONVERTER,

C310

0.1

PCM0_ADDT

29

12

SDOUT

D/A CONVERTER

VA

IC B/D

IC303

CPU_REFCLKO

30

MCLK

IC302

AOUTA

11

(FR)

R314

0

R315

220

CS42L51-CNZR

PCM0_BCK

31

AOUTB

10

(FR)

HEADPHONE/LINE SELECTOR

R211

SCLK

470

PCM0_DADT

32

R111

SDIN

VSS_HP

9

IC303

VDR301

470

C311

MAX4764ETB+TG069

PCM0_LRCK

R207

1

E

33

AGND

∗

SPI0_MOSI

R107

1

VCC

NO2

10

SPI0_CLK

∗

2

NO1

COM2

9

SPI0_XCS2

SDA/CDIN

SCL/CCLK

AD0/nCS

GND HP

5 4 3

COM1

NC2

6 7 8

R206

LRCK

VA HP

FLYP

FLYN

NC1

IN2

R106

470

IN1

GND

470

GND

1

2

3

4

5

6

7

8

11

F

C107

0.068

C207

C308

R105

47

0.068

1

R205

C108

C109

C318

C208

C209

47

100p

0.0047

0.1

0.0047

100p

22

∗R107,207

C316

5.6(EXCEPT FR)

R310

47(FR)

2

0

C306

G

VDD_DDCOUT20

C307

AGND

10

0.1

MAIN

BOARD

DGND

(6/6)

(Page 27)

Note: When IC301 and IC302 cannot exchange with single. When IC301 and IC302 are damaged, exchange the entire mounted board.

NW-A805/A806/A808/NWZ-A815/A816/A818

22 22

Image 22

Contents Specifications NW-A805/A806/A808NW-A805/A806/A808/NWZ-A815/A816/A818 Diagrams Table of ContentsDisassembly Flexible Circuit Board RepairingFormatting Memory Format Color Variation Whenusing the headphone extension cord Parts and ControlsDisassembly Flow Rear Cabinet AssyHolder Connector Main BoardNand BOARD, SVX Switch Flexible PWB Assy About Holding the bent partSVX LCD Assy LCD801, Battery Assy Front ButtonFront Cabinet Assy Operation of the Test Mode 4-1. Power Power supply voltage checkConsumption current audio playback check Charge current check Battery voltage checkStandby current check AudioOutput check Frequency characteristic 1 checkFrequency characteristic 2 check 2. S/N checkMaximum output check CH separation L-ch checkCH separation R-ch check Normalizer checkLCD display check Sound pressure regulation level checkVideo OtherKey check Destination settingSound pressure regulation setting FormatSection Diagrams Block DiagramAudio Video Uses unleaded solder SemiconductorLocation Main Board Side B Uses unleaded solder Semiconductor LocationMain 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+TG069MAX8677AETG IC Pin Function Description Pin No Pin Name DescriptionVDDL0 IOBVccvbus NANDCEZ2Vccvbat SwadpCapvbdl IdpullupAB0CSZ2 FlashclkChgvbus AB0XACKSDRDATA26 ResetzSDRDATA28 LcdhsyncSDRDQM1 VloginLcdpxclk SdrwezDspdet VpllCKI LcdbltctlAB1 VDDL0 VanainVana AB2 XusbokKeywake OscoutXholdkey SPI0CSZ2DD2LX3 DD2LX1 VGP45INDD2VFB2 DD2LX2Vaux B5OUTVCCIO2 B1OUTExploded Views Rear Cabinet Section NW-A805/A806/A808Rear Cabinet Section NWZ-A815/A816/A818 BLACK, SILVER, VIOLET, Blue models onlyMain BOARD, Nand Board Section NW-A805/A806/A808 109Main BOARD, Nand Board Section NWZ-A815/A816/A818 159Front Cabinet Section 208 207Electrical Parts List MainCeramic Chip 5PF CS42L51-CNZR Switch Nand NW-A805 E, MX, AUS, JECD-ROM Assy Russia Help Revision History