Sony Ericsson NWZ-A828K, NWZ-A826K, NWZ-A829 service manual Main Board 7/7

NWZ-A826/A826K/A828/A828K/A829

5-11. SCHEMATIC DIAGRAM - MAIN Board (7/7) -			• See page 32 for IC Block Diagrams.
1	2	3		4	5	6

7 8 9 10 11 12

A				MAIN BOARD (7/7)
								R904	C909
								0	22
B	MAIN
	BOARD					R859	1k
	(1/7)		CRD_AD			R862	10k
	3		TXD_PUCTL
						R855	47k
			VDD_GP1_J
						R858	10k
	(Page 22)		CRD_DET
	MAIN	1	USB_DM
	BOARD(4/7)		USB_DP
C	(Page 25)			CN851
				22P	C853	470k
				(WM-PORT)			1k	1k
					100p	R857
			GND	1	VDR851		R851	R853
			RESERVE(OTG)	2
						LF851

C910

22

470k	470k
R913	R914

C912

22

R916 470k

R911

470k

TH901	C917 0.1	R919 22k
R918 8200

S

2.9

Q901

0SSM3K15FV(TL3SONYZ)

CHARGE CONTROL

R920 10k

R907 0

R906 0

R929

0

DBG_UART_RXD

DBG_UART_TXD

VDD_UNREG_J VDD_BT1.8_

VCC_VBUS

VDD_UNREG_J

VCC_VBAT

VDD_GP1_FB_J

CHG_ICTL

	CHG_XFLT
CL911	XCHG_DET
	CHG_PEN2
CL916	USB_SUSPEND
	VCC_DCIN
CL910
	VCC_VBUS
CL912	VDD_UNREG_J

(Page 27)

MAIN

BOARD (6/7)

11

9

MAIN

BOARD (4/7)

(Page 25)

D+ 3

0 2.7

2.7 3.7 3.7

0 0

R932 S 470k

Q903

SSM3J15FV(TL3SONYZ)

D-	4
GND	5

D851

41 40 39

38 37 36 35 34 33 32 31

POWER ON/OFF CONTROL

BT_PWRCTL

D

E

RESERVE	6
VIN	7
RXD/WAKE	8
CRD_AD	9
TXD/SLEEP	10
USB_DET	11
UNREG_OUT	12
AU_L_IN	13
AU_L_OUT	14
AU_COM	15
AU_R_IN	16
AU_R_OUT	17

VDR852 RB060M-30TR

C854 0.01

FB851 0

FB852 0

FB858

C855 470p

0

R908

220k

C908 10

C902

4.7

C903

4.7

C905 L901

IC B/D

0

0 1 USUS

0 2 DC

3 USB

3.7 4 FB5

5PV5

6OUT5

2 7 PG2

3.78 LX2

EP PEN2 CST1 /UOK CST2 PEN1 SYS BAT THM CT CISET

IC901

POWER CONTROL

IC901

MAX8671CETL+TG069

R922

150k

	R933
R923	100k

03300

DISET	30
FB3	29
VL	0
	28
PV3	3.7			C918
	27			0.1
LX3
	26
PG3	25
PG1	24	L902	4.7uH	R930
LX1	3.3			0
	23
PV1	3.7

		B2	IC B/D
		VIN
			CL914
A1	GND	VOUT	B1
		VCONT

A2

IC903C923

TK63118BCB-G 1

CL913

VDD_DDC3_J

4

MAIN

BOARD (1/7)

(Page 22)

VIDEO-GND/GND	18	FB857	FB855	FB854
VIDEO-IN/OUT/OPEN	19	0		0

10	4.7uH
R910

2.9	9	PV2
	10
		/CEN

	22	C919	4.7
SSKP	21	0
		R935	0

IC903

+1.8V REGULATOR

220k

DCIN

20

DIGITAL_OUT/OPEN

21

C904

F

GND

22

10

2

MAIN

LINE_OUT_R

BOARD(5/7)

LINE_OUT_L

(Page 26)

TOTAL CURRENT

PLAY: 150mA

CN901

2P

JL907

BATT +

1

JL908

G

BATT -

2

LITHIUM ION

STORAGE

TB851

BATTERY

3.7V 610mAh

FB2	/DOK	REG3L	BP	OUT4	PV4	BVSET	GND	FB1	EN
11	12	13	14	15	16	17	18	19	20
2	2.9			1.8	2	0		3.3	3.7
0
R912

C916

1

C913 C914

0.012.2

R926	C921	10				IC902
10k
	C925	10				VOLTAGE DETECT
	R927					IC902
						XC61GN3102HR
	C920	68k
			3.7
	10			2	OUT
		R928					3
					SS	IN
		0		1			0.1
		0.001					C922
		C924
	R909						0
	10k					0.47	R901
						C856

DGND CHG_XCHGEN

AGND

TB901

(CHASSIS)

H

R931	CL915
0	VDD_DDC2_J

5 MAIN BOARD

(5/7)

(Page 26)

Note 1: When the MAIN board is replaced, format it according to the “NOTE OF MAIN BOARD REPLACING” (refer to page 4) of the servicing notes.

Note 2: IC901 and IC902 on the MAIN board cannot exchange with single. When IC901 and IC902 on the MAIN board are damaged, exchange the entire mounted board.

NWZ-A826/A826K/A828/A828K/A829

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