CDX-GT620U/GT627UE/GT670U/GT670US
40
Pin No.
Pin Name
I/O
Description
57
DIAG
I
Condition signal input from power amplifi er IC
58
AMPSTB
O
Standby signal output to power regulator IC
59
VOLATT
O
Electrical volume attenuate control signal output
60, 61
NCO
O
Not used. (Open)
62
VCC2
—
Power supply pin (+3.3V)
63
COL SEL
I
Key illumination change setting signal input
64
VSS
—
Ground pin
65
ILLUMI SEL
I
Illumination voltage setting signal input for panel “H”: 10.4V, “L”: 9V
66 to 68
NCO
O
Not used. (Open)
69
B OUTSEL
I
Black out setting signal input “H”: Block out
70
AREASEL 2
I
Destination setting pin 2
71
AREASEL 1
I
Destination setting pin 1
72
AREASEL 0
I
Destination setting pin 0
73, 74
NCO
O
Not used. (Open)
75
TUATTIN
I
Tuner mute zero cross detection signal input
76 to 79
NCO
O
Not used. (Open)
80
F AUX
O
Front AUX mute signal output Front AUX select: “H”
81
RE IN1
I
Rotary encoder signal input 1
82
RE IN0
I
Rotary encoder signal input 0
83
SAIN
I
Spectrum analyzer signal input
84
CYRIL SEL
I
Cyril select signal input “H”: Cyril select
85
NSMASK
O
Noise mask signal output
86
TUATT
O
Tuner mute control signal output
87
RDS ON
O
RDS IC power supply control signal output
88
QUALITY
I
Noise detection signal input
89
SADATA
O
Spectrum analyzer data signal output
90
SACLK
O
Spectrum analyzer clock signal output
91
KEYACK0
I
Key Acknowledge detection signal input (Rotary command signal input)
92
KEYACK1
I
Key Acknowledge detection signal input (Front panel signal input)
93
VSM
I
S meter voltage detection signal input
94
KEYIN1
I
Key signal input 1
95
KEYIN0
I
Key signal input 0
96
DAVSS
—
Ground pin for A/D converter
97
RCIN0
I
Rotary commander key signal input
98
AVRH
—
A/D converter external reference power supply pin (+3.3V)
99
DAVDD
—
A/D converter power supply pin (+3.3V)
100
FL CE
O
Fluorescent indicator tube chip enable signal output
