Sony CDX-F5700 Service Manual page 18

CDX-F5700/F5700X/FW570
Pin No. Pin Name
68 E2P SIO
69 DOORIND
70 AMPSTB
71 NCO
72 LCDSO
73 LCDCE
74 LCDCKO
75 to 78 NCO
79 I2C SIO
80 NCO
81 I2C CKO
82 DAVN
83 SIRCS
84 NCO
85 BEEP
86 to 88 NCO
89 VDD3
90 NCO
91 VSS3
92 QUALITY
93 VSM
94 KEYIN1
95 KEYIN0
96 RCIN0
97 SA IN
98 SA CLK
99 NCO
100 VREF+
18
I/O
I/O Serial data signal input/output for EEPROM communication
O Sub panel power supply control signal output
O Power regulator IC standby signal output
O Not used in this set. (Open)
O Serial data signal output to the LCD driver Flash: UART serial output
O Chip enable signal output to the LCD driver Flash: Serial input
O Serial clock signal output to the LCD driver
O Not used in this set. (Open)
I/O I2C BUS serial data signal input/output
O Not used in this set. (Open)
O I2C BUS serial clock signal output
AEP, UK model: RDS data block synchronization detection signal input
I
US, Canadian, E model: Not used. (Open)
I Remote control signal input
O Not used in this set. (Open)
O Beep signal output to the power amp
O Not used in this set. (Open)
— Power supply pin for I/O port (+3.3 V)
O Not used in this set. (Open)
— Ground pin for I/O port
I AEP, UK model: Noise detection signal input US, Canadian, E model: Not used. (Open)
I S meter voltage detection signal input
I Key signal input 1
I Key signal input 0
I Rotary commander signal input
I Spectrum analyzer signal input
O Spectrum analyzer clock signal output
O Not used in this set.
— Power supply pin for A/D input converter
Pin Description