Sony Ericsson NWZ-A828K, NWZ-A826K, NWZ-A829 Block Diagram PANEL, Power Supply Section

Page 18

NWZ-A826/A826K/A828/A828K/A829

5-2.		BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
A		SPIO_SO, SPIO_SK, SPIO_LCD_XCS						SPIO_SO	SDI
A								SPIO_SK	SCL
								SPIO_SK	SCL
								SPIO_LCD_XCS	CS
					LCD_PON	W3			RESET
					LCD_PON	W3
					LCD_R0 – LCD_R5	6			R0 – R5
					LCD_R0 – LCD_R5
					LCD_G0 – LCD_G5	6			G0 – G5
					LCD_G0 – LCD_G5
					LCD_B0 – LCD_B5	6			B0 – B5	LCD
					LCD_B0 – LCD_B5					ASSY
					LCD_PXCLK	P23			DOTCLK
					LCD_PXCLK	P23			HSYNC
					LCD_HSYNC	K22			HSYNC
					LCD_HSYNC	K22			VSYNC
					LCD_VSYNC	K24			VSYNC
					LCD_VSYNC	K24
					LCD_ENABLE	K23			DEN
					LCD_ENABLE	K23			ANODE
	SHEET KEY		C6	KEY_AD0	LCD_BLTCTL	V17			ANODE
		&	C6	KEY_AD0	LCD_BLTCTL	V17		LED	CATHODE (1)
	S890 - 896		B6	KEY_AD1			Q801	CONTROL	CATHODE (2)
		WAKE UP SWITCH					Q801	IC801	CATHODE (3)
		WAKE UP SWITCH	AD5	KEY_WAKE	LCD_PWM1	AD23		IC801	CATHODE (3)
		Q603	AD5	KEY_WAKE	LCD_PWM1	AD23
		Q603

SIGNAL PATH : VIDEO

CN851 (3/3) (WM-PORT)

D452

(BLUETOOTH)

S601

RESET

S602

HOLD

G4

EXTRST

VCC_DCIN

VCC_VBUS

OFF

AD4

XHOLD_KEY

VCC_VBAT

ON

POWER CONTROL

IC901

VDD_UNREG_J

35

SYS

LED DRIVE

AC23

BT_LEDCTL1

DC

2

Q452

VOLTAGE

20

EN

DETECT

LED DRIVE

J9

BT_LEDCTL2

IC902

USB

3

IC454, Q451, 454

VDD_DDC3_J

23

LX1

BAT

34

VDD_DDC2_J

8

LX2

CHARGE

BKBAT

AD17

+3.1V

USB +1.8V

+1.8V

REGULATOR

REGULATOR

IC602

IC504

LITHIUM ION

STORAGE

BATTERY

USB +3.1V

+3.1V

CHARGE

3.7V 610mAh

REGULATOR

VDD_ANA_F

CHG_ICTL

Y2

CONTROL

31

CISET

IC503

VDD_ECO_J

Q901

PSM_LODET

U14

VDD_GP1_J

12

/DOK

VDD_GP1_FB_J

CHG_XCHGEN

V10

10

/CEN

VDD_GP3

CHG_PEN2

W8

40

PEN2

VDD_GP5

AC26

OSCOUT

+1.8V

USB_SUSPEND

AB8

1

USUS

X602

HP/WM-PORT +1.8V

REGULATOR

VDD_LO_F

XCHG_DET

AC4

39

CST1

VDD_LOG_F

32.768kHz

IC301

CHG_XFLT

AB4

37

CST2

AB26

OSCIN

VDD_HP_F

VDD_PLL_S

T26

CKO

VDD_BT1.8_

+1.8V

X603

REGULATOR

IC903

11.2896MHz

U26

CKI

POWER ON/OFF

BT_PWRCTL

H10

CONTROL

Q903

SYSTEM CONTROLLER,

CRD_AD

C8

POWER CONTROL

IC601 (2/2)

20

11

12

9

DCIN USB_DET UNREG_OUT

CRD_AD

NWZ-A826/A826K/A828/A828K/A829

18 18

Image 18

Contents NWZ-A826/A826K/A828/A828K/A829 889-048-01NWZ-A826/A826K/A828/A828K/A829 Flexible Circuit Board Repairing DisassemblyDiagrams Section Servicing NotesAEP, UK NWZ-A826KNWZ-A828K Section GeneralSection Disassembly Disassembly FlowCover REAR, Rear Assy Battery Main BoardLCD Assy Section Test Mode Power supply voltage checkOperation of the Test Mode 4-1. Power Charge current check Battery voltage detection 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 Liquid crystal display is checked Sound pressure regulation level checkVideo OtherKey check Destination settingSound 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 settingBluetooth address setting Bluetooth address is set Bluetooth connection checkShutdown Section Diagrams Block Diagram PANEL, Power Supply Section Side a For Printed Wiring BoardsFor Schematic Diagrams Side BPrinted Wiring Board Main Board Side a Uses unleaded solder Semiconductor LocationPrinted 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 BoardMain Board Main Board 6/7 Main Board 7/7 SW Board Side a SW Board Side B Uses unleaded solder123 SW Board 1/2 SW Board 2/2 IC Block Diagrams Main Board IC301 XC6401FF58DRMAX8671CETL+TG069 SW BoardIC Pin Function Description GND NandwezIOB VccvbusNANDDA2 NANDRBZ0Nandale VDDL1NANDRBZ1 LcdenableUsbsuspd BtxrstLCDB0 ResetzNANDCEZ0 LCDG4, LCDG5Wakeup VloginSdrcasz PsmlodetSdrclk TustoSDRA0 TM2AD6 AD4 XholdkeyAD5 Keywake AD7 SPI0CSZ2DD1GNDA DD1INB1, DD1INB2DD1VFBK2 VGP1Section Exploded Views Cover Rear SectionRear Assy Section 106 1-756-702-11 BATTERY, Lithium ION Storage Main Board SectionFront Section Section Electrical Parts List MainLED SMLA13BDTT86ST Bluetooth CONNECTOR, FFC/FPC ZIF 11PMULTIPLE, Connector Ceramic Chip 5PFTransistor InductorCOIL,COMMONMODECHOKE SMD1210 Transistor EMX18SWITCH, Slide Hold Terminal Short Chip SwitchSWITCH, Tactil Reset TERMINAL, ContactBattery Assy US, CND, AEP, UK, FR, EE CONNECTOR, FFC/FPC ZIF 39PINBATTERY, Lithium ION Storage VaristorNWZ-A828K AEP AccessoriesMANUAL, Instruction English NWZ-A826K AEP/NWZ-A828K AEPMemo Revision History Ver Date Description of Revision