Sony Ericsson NWZ-A828K, NWZ-A826K, NWZ-A829 service manual MAX8671CETL+TG069, SW Board

Page 33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NWZ-A826/A826K/A828/A828K/A829

IC901

MAX8671CETL+TG069

 

 

 

 

 

 

 

 

 

 

 

 

 

EP

PEN2

CST1

/UOK

CST2

PEN1

 

SYS

BAT

 

THM

CT

CISET

 

 

 

 

 

 

 

41

40

39

38

37

36

35

34

 

33

32

31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

DISET

 

 

 

 

SMART

 

 

 

 

 

Li+/Li-PoLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BATTERY

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

CHARGER &

 

 

 

 

 

USUS

1

 

 

SELECTOR

 

 

 

SYSTEM LOAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

SMART

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

DC

2

 

 

 

 

 

 

 

 

 

 

 

 

SELECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

& CHARGER

 

 

 

 

USB

3

 

 

 

 

 

 

 

 

 

 

 

 

BIAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HIGHEST

 

 

 

3.3V LOW

 

 

 

29

FB3

 

 

 

 

 

 

 

 

 

VOLTAGE

 

 

 

 

 

 

28

VL

 

 

 

 

 

 

 

 

 

 

 

 

DROPOUT

 

 

 

 

 

 

 

 

 

 

 

 

SELECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FB5

4

REG5 LOW

 

 

 

 

 

 

 

 

 

 

 

REG3 DC-DC

 

27

PV3

PV5

5

 

 

 

 

 

 

 

 

 

 

 

 

26

LX3

DROPOUT

 

 

 

 

 

 

 

 

 

 

 

CONVERTER

 

OUT5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

PG3

PG2

7

REG2 DC-DC

 

 

 

 

 

 

 

 

 

 

REG1 DC-DC

 

24

PG1

LX2

8

 

 

 

 

 

 

 

 

 

 

 

23

LX1

CONVERTER

 

 

 

 

 

 

 

 

 

 

CONVERTER

 

PV2

9

 

 

 

 

 

 

 

 

 

 

 

22

PV1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

/CEN

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REG4 LOW

 

 

 

 

 

21

SSKP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DROPOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REF

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

12

13

14

 

15

16

 

17

18

19

20

 

 

 

 

FB2

 

 

 

/DOK

REG3L

BP

 

OUT4

PV4

 

BVSET

GND

FB1

EN

 

 

IC903

TK63118BCB-G

 

 

 

 

 

 

 

 

 

– SW Board –

 

 

 

 

 

 

 

 

 

 

 

IC801

TPS60231RGTR

 

 

 

 

 

 

 

 

 

VIN

 

 

 

 

 

 

EN2

EN1

GND

VIN

 

 

 

 

 

 

 

 

 

B2

 

 

 

 

 

 

16

15

14

13

GND

A1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON / OFF

 

VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL

REFERENCE

 

REGULATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ISET 1

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMAL &

 

 

 

 

 

 

 

12

C2−

OVER CURRENT

 

NC

2

 

 

 

 

PROTECTION

 

NC

3

 

 

CHARGE

11

C1−

B1

VOUT

CURRENT

PUMP

10

C1+

D3

4

 

 

9

C2+

A2

 

SINKS

 

 

 

 

 

 

 

VCONT

 

 

 

 

 

 

 

 

 

 

 

 

 

5

6

7

8

 

 

 

 

 

 

D2

D1

PGND

VOUT

 

 

33

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Image 33
Page 32 Page 34
Contents 889-048-01 NWZ-A826/A826K/A828/A828K/A829NWZ-A826/A826K/A828/A828K/A829 Diagrams DisassemblyFlexible Circuit Board Repairing Section Servicing NotesAEP, UK NWZ-A826KNWZ-A828K General SectionSection Disassembly Disassembly FlowCover REAR, Rear Assy Main Board BatteryLCD Assy Section Test Mode Power supply voltage checkOperation of the Test Mode 4-1. Power Standby current check Battery voltage detection checkCharge current check AudioFrequency characteristic 2 check Frequency characteristic 1 checkOutput check 2. S/N checkCH separation R-ch check CH separation L-ch checkMaximum output check Normalizer checkVideo Sound pressure regulation level checkLCD display check Liquid crystal display is checked OtherSound pressure regulation setting Destination settingKey check Frequency check that presses keyClear stereo setting No cable Clear stereo setting With cableBASS-Gain/Fc setting TREBLE-Gain/Fc settingBluetooth address setting Bluetooth address is set Bluetooth connection checkShutdown Section Diagrams Block Diagram PANEL, Power Supply Section For Schematic Diagrams For Printed Wiring BoardsSide a Side BSemiconductor Location Printed Wiring Board Main Board Side a Uses unleaded solderPrinted Wiring Board Main Board Side B Uses unleaded solder 123 Main Board 1/7 IC701 123 Main Board 3/7 Board See page 32 for IC Block DiagramsMain Board Main Board 6/7 Main Board 7/7 Uses unleaded solder SW Board Side a SW Board Side B123 SW Board 1/2 SW Board 2/2 IC301 XC6401FF58DR IC Block Diagrams Main BoardSW Board MAX8671CETL+TG069IC Pin Function Description IOB NandwezGND VccvbusNandale NANDRBZ0NANDDA2 VDDL1Usbsuspd LcdenableNANDRBZ1 BtxrstNANDCEZ0 ResetzLCDB0 LCDG4, LCDG5Sdrcasz VloginWakeup PsmlodetSDRA0 TustoSdrclk TM2AD5 Keywake AD4 XholdkeyAD6 AD7 SPI0CSZ2DD1VFBK2 DD1INB1, DD1INB2DD1GNDA VGP1Cover Rear Section Section Exploded ViewsRear Assy Section Main Board Section 106 1-756-702-11 BATTERY, Lithium ION StorageFront Section Main Section Electrical Parts ListMULTIPLE, Connector CONNECTOR, FFC/FPC ZIF 11PLED SMLA13BDTT86ST Bluetooth Ceramic Chip 5PFCOIL,COMMONMODECHOKE SMD1210 InductorTransistor Transistor EMX18SWITCH, Tactil Reset Short Chip SwitchSWITCH, Slide Hold Terminal TERMINAL, ContactBATTERY, Lithium ION Storage CONNECTOR, FFC/FPC ZIF 39PINBattery Assy US, CND, AEP, UK, FR, EE VaristorMANUAL, Instruction English AccessoriesNWZ-A828K AEP NWZ-A826K AEP/NWZ-A828K AEPMemo Ver Date Description of Revision Revision History
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