Sony Walkman NWZ-A726 Service Manual page 40

Digital media player
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NWZ-A726/A726B/A728/A728B/A729
Pin No.
Pin Name
AD4
XHOLD_KEY
AD5
KEY_WAKE
AD6
NC
AD7
SPI0_CSZ2
AD8
VDD_L1
AD9
IO_C
AD10 to
NC
AD13
AD14
AVDD_LPLL
AD15
AVDD_HPLL
AD16
NC
AD17
BKBAT
AD18
IO_A
AD19
NC
AD20
USB_PWRCTL
AD21
GND2
AD22
PM0_SI
AD23
LCD_PWM1
AD24
MICR_DET
AD25
GND3
AD26
NC
AE1, AE2
NC
AE3
DD2VFBK
AE4
DD2VFBSW
AE5
DD2GNDA
AE6
DD2INA
AE7
VDD_L0
AE8
VDD_L1
AE9
IO_C
AE10,
NC
AE11
AE12
DD1INA
AE13
IO_B
AE14
AVDD_LPLL
AE15
AVDD_HPLL
AE16
GND
AE17
DD1VFBK
AE18
VDD_DSP
AE19
IO_A
AE20
VGP12IN
AE21
VGP3IN
AE22
VGP4
AE23
VGP5
AE24
VGP45IN
AE25,
NC
AE26
AF1 to AF3
NC
AF4
DD2VFB2
AF5, AF6
DD2INB1, DD2INB2
DD2LX3, DD2LX1,
AF7 to AF9
DD2LX2
AF10,
DD2GNDB1,
AF11
DD2GNDB2
AF12,
DD1GNDB1,
AF13
DD1GNDB2
AF14,
DD1LX1, DD1LX2
AF15
40
I/O
I
HOLD switch input terminal
I
Wake up signal input terminal
-
Not used
O
Chip select signal output to the A/D, D/A converter
I
Power supply input terminal (+1.2V)
-
Not used
-
Not used
I
Power supply input terminal (+1.2V)
I
Power supply input terminal (+1.2V)
-
Not used
I
Rechargeable battery voltage detection signal input terminal
-
Not used
-
Not used
-
Not used
-
Ground terminal
I
Serial audio data input from the A/D, D/A converter
O
PWM signal output to the LED control
I
Microphone detection signal input terminal
-
Ground terminal
-
Not used
-
Not used
I
Power supply voltage feedback terminal
O
Power supply output terminal (+1.8V)
-
Ground terminal
I
Power supply input terminal (+2.9 - 4.2V)
I
Power supply input terminal (+1.2V)
I
Power supply input terminal (+1.2V)
-
Not used
-
Not used
I
Power supply input terminal (+2.9 - 4.2V)
-
Not used
I
Power supply input terminal (+1.2V)
I
Power supply input terminal (+1.2V)
-
Ground terminal
I
Power supply voltage feedback terminal
I
Power supply input terminal (+1.2V)
-
Not used
I
Power supply input terminal (+2.9 - 4.2V)
I
Power supply input terminal (+2.9 - 4.2V)
O
Reference voltage output terminal
O
Power supply output terminal
I
Power supply input terminal (+2.9 - 4.2V)
-
Not used
-
Not used
I
Power supply voltage feedback terminal
I
Power supply input terminal (+2.9 - 4.2V)
O
Power supply output terminal (+1.8V)
-
Ground terminal
-
Ground terminal
O
Power supply output terminal (+1.2V)
Description
Not used
Not used

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