Sony NWZA816P - DIGITAL MEDIA PLAYER/MP3 PLAYER Service Manual page 30

NW-A805/A806/A808/NWZ-A815/A816/A818
• IC Pin Function Description
MAIN BOARD IC302 CS42L51-CNZR (A/D CONVERTER, D/A CONVERTER)
Pin No. Pin Name
1 LRCK
2
SDA/CDIN
3
SCL/CCLK
4
AD0/nCS
5 VA_HP
6 FLYP
7
GND_HP
8
FLYN
9
VSS_HP
10 AOUTB
11
AOUTA
12
VA
13
AGND
14 DAC_FILT+
15
VQ
16
ADC_FILT+
17
MICIN1/AIN3A
MICIN2/AIN3B/
18
BIAS
19 AIN2A
20
AIN2B/BIAS
21 AFILTA
22 AFILTB
23 AIN1A
24
AIN1B
25 nRESET
26
VL
27 VD
28
DGND
29
SDOUT
30
MCLK
31 SCLK
32
SDIN
33
AGND
30
I/O
I/O L/R sampling clock signal input/output with the system controller
I2C mode : Serial date input/output with the system controller
I/O
SPI mode : Serial date input from the system controller
I Serial data transfer clock signal input from the system controller
I2C mode : Address signal input from the system controller
I
SPI mode : Chip select signal input from the system controller
-
Power supply terminal (+1.8V)
I Connected to the external charge pump capacitor (positive node)
- Ground terminal
I Connected to the external charge pump capacitor (negative node)
- Connected to the capacitor for the internal analog headphone section
O R-ch analog audio signal output to the headphone and WM-port
O L-ch analog audio signal output to the headphone and WM-port
- Power supply terminal (+1.8V)
- Ground terminal
- Not used
- Not used
- Not used
I Analog audio signal input terminal Not used
I Analog audio signal input terminal Not used
I Analog audio signal input terminal Not used
I Analog audio signal input terminal Not used
-
Not used
-
Not used
I L-ch analog audio signal input from the WM-port
I R-ch analog audio signal input from the WM-port
I
Reset signal input from the system controller
- Power supply terminal
- Power supply terminal (+1.8V)
- Ground terminal
O Serial audio date output to the system controller
I Master clock signal input from the system controller
O Serial clock signal output to the system controller
I Serial audio date input from the system controller
- Ground terminal
Description