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MDX-CA790X
Pin No.
Pin Name
56
DIAG
57
VOLATT
58
NCO (AUX)
59
NOSESW
60 to 62
NCO
63
VSS2
64
TUATT
65
NCO (TUON)
66
NSMASK
67
E2P_CKO
68
E2P_SIO
69
DOORIND
70
AMPSTB
71 to 75
NCO
76
LCDSO
77
LCDCE
78
LCDCKO
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 to 99
NCO
100
VREF+
40
I/O
I
DIAG signal input from the power amplifier
O
Muting on/off control signal output to the electrical volume
O
Not used
I
Front panel remove/attach detection signal input terminal
O
Not used
O
Ground terminal
O
Tuner muting on/off control signal output terminal
O
Not used
O
Discharge control signal output for the noise detection circuit "H": discharge
O
Serial data transfer clock signal output to the EEPROM in tuner unit
I/O
Two-way data bus with the EEPROM in tuner unit
O
Illumination LED drive signal output of the sub panel
O
Standby on/off control signal output to the power amplifier
O
Not used
O
Serial data output to the LCD controller
O
Chip enable signal output to the LCD controller
O
Serial data transfer clock signal output to the LCD controller
I/O
IIC two-way data bus with the tuner unit, electrical volume and power amplifier
O
Not used
O
IIC bus clock signal output to the tuner unit, electrical volume and power amplifier
I
Data transmit completed detection signal input terminal
I
SIRCS signal input terminal
O
Not used
O
Beep sound drive signal output terminal
O
Not used
—
Power supply terminal (+5V)
O
Not used
—
Ground terminal
I
Noise level detection signal input at SEEK mode (A/D input)
I
FM and AM signal-meter voltage detection signal input from the tuner unit (A/D input)
I
Front panel key input terminal (A/D input)
I
Front panel key input terminal (A/D input)
I
Rotary remote commander key input terminal (A/D input)
O
Not used
I
Reference voltage (+5V) input terminal
Description
"L": front panel is attached
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