MEX-BT3600U - Sony Car Audio Service Manual (repair manual). Page 35

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MEX-BT3600U
35
Pin No.
Pin Name
I/O
Description
58
CD_ON
I
CD servo power supply control request input terminal
59
NCO
-
Not used
60
ILLUMI_SEL
I
Illumination voltage setting terminal    "L": 10.4V, "H": 12.5V    Fixed at "L" in this set
61
B-OUTSEL
I
Blackout setting terminal    "H": blackout effective
62
VCC2
-
Power supply terminal (+3.3V)
63
DD_ON
O
Main power on/off control signal output terminal    "H": power on
64
VSS
-
Ground terminal
65 to 68
NCO
-
Not used
69
MD_AUDIO_SEL
O
Muting on/off control signal output terminal for the CD section    "H": muting on
70 to 72
AREASEL2 to 
AREASEL0
I
Setting terminal for the destination
73, 74
NCO
-
Not used
75
TUATTIN
I
Attenuate request signal input from the tuner unit
76 to 78
NCO
-
Not used
79
FUNCSEL0
I
Setting terminal for the function
80
XACC_IN
I
Accessory power detection signal input terminal    "L": accessory power on
81
NCO
-
Not used
82, 83
RC-IN1, RC-IN0
I
Rotary remote commander shift key input terminal
84
AMPSTB
O
Standby control signal output to the power amplifi er
85
DIAG
I
Diagnostic signal input from the power amplifi er
86, 87
NCO
-
Not used
88
ATT
O
Muting on/off control signal output terminal
89
NSMASK
O
Discharge control signal output for the noise detection circuit    
"H": discharge (AEP, Russian and UK models only)
90
QUALITY
I
Noise level detection signal input at SEEK mode
91
KEYACK0
I
Acknowledge signal (wake up signal) input terminal for the rotary remote commander     
On at input of "H"
92
KEYACK1
I
Acknowledge signal (wake up signal) input terminal for the front panel key     
On at input of "H"
93
VSM
I
FM and AM signal-meter voltage detection signal input from the tuner unit (A/D input)
94
TUATT
O
Tuner muting on/off control signal output terminal
95
KEYIN0
I
Front panel key input terminal (A/D input)
96
DAVSS
-
Ground terminal
97
KEYIN1
I
Front panel key input terminal (A/D input)
98
AVRH
I
Reference voltage (+3.3V) input terminal (for A/D conversion)
99
DAVDD
-
Power supply terminal (+3.3V)
100
NCO
-
Not used
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