Read Sony NWZ-A726 / NWZ-A726B / NWZ-A728 / NWZ-A728B / NWZ-A729 Service Manual online
NWZ-A726/A726B/A728/A728B/A729
39
Pin No.
Pin Name
I/O
Description
AA3
TU_STO
I
Status signal input terminal Not used
AA4
SDR_A0
O
Address signal output to the SD-RAM
AA5
SDR_CLK
O
Clock signal output to the SD-RAM
AA22,
AA23
GND
-
Ground terminal
AA24
TM2
-
Not used
AA25
VANAIN
I
Power supply input terminal (+2.9 - 4.2V)
AA26
VANA
O
Power supply output terminal (+2.85V)
AB1
VDD_L0
I
Power supply input terminal (+1.2V)
AB2
TXD_PUCTL
I
Serial data input terminal
AB3
CRD_DET
I
Wake up signal input from the WM-PORT connector
AB4
CHG_XFLT
I
Fault signal input from the power control
AB5
SDR_BA0
O
Bank address signal output to the SD-RAM
AB6, AB7
NC
-
Not used
AB8
USB_SUSPEND
O
USB suspend signal output to the power control
AB9
IO_C
-
Not used
AB10 to
AB12
NC
-
Not used
AB13
USB_XRST
O
Reset signal output to the USB controller
AB14
USB_INT2
I
Interrupt request signal input from the USB controller
AB15 to
AB17
MS_DATA3, MS_
DATA2, MS_DATA0
-
Not used
AB18
MS_INSZ
-
Not used
AB19
WR_LEDCTL
-
Not used
AB20
PM1_SEN
-
Not used
AB21
PM1_CLK
-
Not used
AB22
PM0_SEN
I
L/R sampling clock signal input from the A/D, D/A converter
AB23,
AB24
GND
-
Ground terminal
AB25
GND1
-
Ground terminal
AB26
OSCIN
I
Sub system clock input terminal (32.768 kHz)
AC1 to
AC3
IO_A
-
Not used
AC4
XCHG_DET
I
Charge detection signal input from the power control
AC5
USB_INT1
I
Interrupt request signal input from the USB controller
AC6
SPIO_XCS0
O
Chip select signal output to the liquid crystal display
AC7
SPI0_SK
O
Serial data transfer clock signal output to the A/D, D/A converter and liquid crystal display
AC8
SPI0_SO
O
Serial data output to the A/D, D/A converter and liquid crystal display
AC9
IO_C
-
Not used
AC10 to
AC13
NC
-
Not used
AC14
AVDD_LPLL
I
Power supply input terminal (+1.2V)
AC15
AVDD_HPLL
I
Power supply input terminal (+1.2V)
AC16
MS_DATA1
-
Not used
AC17
MS_BS
-
Not used
AC18
MS_SCK0
-
Not used
AC19
NC
-
Not used
AC20
ADA_XRST
O
Reset signal output to the A/D, D/A converter
AC21
PM0_CLK
I
Bit clock signal input from the A/D, D/A converter
AC22
PM0_SO
O
Serial audio data output to the A/D, D/A converter
AC23
BT_LEDCTL1
-
Not used
AC24
VLOIN
I
Power supply input terminal (+1.8V)
AC25
IO_C
-
Not used
AC26
OSCOUT
O
Sub system clock output terminal (32.768 kHz)
AD1
NC
-
Not used
AD2
BT_DET
-
Not used
AD3
XNC_KEY
I
Key input terminal Not used
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