NWZ-A726/A726B/A728/A728B/A729
NWZ-A726/A726B/A728/A728B/A729
18
18
5-2. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
POWER CONTROL
IC901
VCC_DCIN
SYSTEM CONTROLLER,
POWER CONTROL
IC601 (2/2)
VCC_VBUS
VCC_VBAT
VDD_UNREG_J
VDD_DDC2_J
20
DCIN
11
USB_DET
12
UNREG_OUT
10
TXD/SLEEP
8
RXD/WAKE
9
CRD_AD
KEY_AD0
C6
KEY_AD1
B6
EXTRST
G4
XHOLD_KEY
AD4
KEY_WAKE
AD5
SHEET KEY
&
S890 - 896
WAKE UP SWITCH
Q603
T26
CKI
U26
CKO
X603
11.2896MHz
AC26
OSCIN
AB26
OSCOUT
X602
32.768kHz
BKBAT
USB +1.8V
USB +3.1V
AD17
PSM_LODET U14
CN851 (3/3)
(WM-PORT)
35
2
DC
3
USB
CHG_ICTL
34
BAT
CHARGE
LITHIUM ION
STORAGE
BATTERY
3.7V 610mAh
SYS
8 LX2
VDD_DDC3_J
23 LX1
20 EN
31
Y2
CISET
12 /DOK
CHG_XCHGEN
10
V10
/CEN
CHG_PEN2
40
W8
PEN2
USB_SUSPEND
1
AB8
USUS
XCHG_DET
39
AC4
CST1
CHG_XFLT
37
AB4
U70_SOUT T17
U70_SRIN T18
CRD_DET AB3
CRD_AD C8
CST2
VOLTAGE
DETECT
IC902
CHARGE
CONTROL
Q901
TXD_PUCTL AB2
+3.1V
REGULATOR
IC602
+1.8V
REGULATOR
IC504
+3.1V
REGULATOR
IC503
HP/WM-PORT +1.8V
+1.8V
REGULATOR
IC301
VDD_ANA_F
VDD_ECO_J
VDD_GP1_J
VDD_GP1_FB_J
VDD_GP3
VDD_GP5
VDD_HP_F
VDD_LO_F
VDD_LOG_F
VDD_PLL_S
S601
RESET
S602
HOLD
OFF
ON
LCD_PXCLK P23
LCD
ASSY
R0 – R5
LCD_R0 – LCD_R5
6
G0 – G5
LCD_G0 – LCD_G5
B0 – B5
DOTCLK
LCD_HSYNC K22
HSYNC
LCD_VSYNC K24
LCD_PON W3
LCD_BLTCTL V17
LCD_PWM1 AD23
VSYNC
CATHODE (1)
Q801
CATHODE (2)
CATHODE (3)
SDI
SCL
CS
RESET
LCD_ENABLE K23
DEN
ANODE
LCD_B0 – LCD_B5
LED
CONTROL
IC801
SPIO_SO
SPIO_SO
SPIO_SK
SPIO_LCD_XCS
A
SPIO_SO, SPIO_SK, SPIO_LCD_XCS
6
6
SIGNAL PATH
: VIDEO