Read Sony CDX-F5700 / CDX-F5705X Service Manual online
20
CDX-F5700/F5705X
Pin No.
Pin Name
I/O
Pin Description
68
E2P SIO
I/O
Serial data signal input/output for EEPROM communication
69
DOORIND
O
Sub panel power supply control signal output
70
AMPSTB
O
Power regulator IC standby signal output
71
NCO
O
Not used in this set. (Open)
72
LCDSO
O
Serial data signal output to the LCD driver Flash: UART serial output
73
LCDCE
O
Chip enable signal output to the LCD driver Flash: Serial input
74
LCDCKO
O
Serial clock signal output to the LCD driver
75 to 78
NCO
O
Not used in this set. (Open)
79
I2C SIO
I/O
I2C BUS serial data signal input/output
80
NCO
O
Not used in this set. (Open)
81
I2C CKO
O
I2C BUS serial clock signal output
82
DAVN
I
AEP, UK model: RDS data block synchronization detection signal input
US, Canadian, E model: Not used.
83
SIRCS
I
Remote control signal input
84
NCO
O
Not used in this set. (Open)
85
BEEP
O
Beep signal output to the power amp
86 to 88
NCO
O
Not used in this set. (Open)
89
VDD3
—
Power supply pin for I/O port (+3.3 V)
90
NCO
O
Not used in this set. (Open)
91
VSS3
—
Ground pin for I/O port
92
QUALITY
I
AEP, UK model: Noise detection signal input US, Canadian, E model: Not used. (Open)
93
VSM
I
S meter voltage detection signal input
94
KEYIN1
I
Key signal input 1
95
KEYIN0
I
Key signal input 0
96
RCIN0
I
Rotary commander signal input
97
SA IN
I
Spectrum analyzer signal input
98
SA CLK
O
Spectrum analyzer clock signal output
99
NCO
O
Not used in this set. (Open)
100
VREF+
—
Power supply pin for A/D input converter (+3.3 V)
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