Read Sony MEX-BT2800 / MEX-BT2807E / MEX-BT2850 Service Manual online
MEX-BT2800/BT2807E/BT2850
32
Pin No.
Pin Name
I/O
Description
56
ATT
O
Muting on/off control signal output terminal “H”: muting on
57
DIAG
I
Diagnostic signal input from the power amplifi er
58
AMPSTB
O
Standby control signal output to the power amplifi er “L”: standby
59
NCO
-
Not used
60
BT_AUDIO_SEL
O
Bluetooth/tuner audio selection signal output terminal “L”: Bluetooth audio
61
NCO
-
Not used
62
VCC2
-
Power supply terminal (+3.3V)
63
NCO
-
Not used
64
VSS
-
Ground terminal
65
ILLUMI SEL
I
Illumination voltage setting terminal “L”: 9.0V, “H”: 10.4V
66
DEMO SEL
I
Demo play setting terminal “H”: demo play on
67
DIM SEL
I
Dimmer selection signal input terminal
68
B-OUT SEL
I
Blackout setting terminal “L”: blackout ineffective, “H”: blackout effective
69 to 72
AREASEL0 to
AREASEL3
I
Model destination signal input terminal
73 to 80
NCO
-
Not used
81, 82
RE-IN1, RE-IN0
I
Jog dial pulse input from the rotary encoder
83
SAIN
I
Spectrum analyzer display data select signal input terminal Not used
84
CYRIL_SEL
I
Cyrillic letter response setting terminal “H”: corresponds to Cyrillic letter
85
TU-ATT
-
Not used
86
NCO
-
Not used
87
RDS_ON
O
Power on/off control signal output terminal for the RDS section Not used
88
NCO
-
Not used
89
SADATD
O
Serial data output terminal Not used
90
SACLK
O
Serial data transfer clock signal output terminal Not used
91
KEYACK0
I
Input of acknowledge signal for the rotary remote commander entry
92
KEYACK1
I
Input of acknowledge signal for the key entry
93
VSM
I
FM and AM signal-meter voltage detection signal input terminal Not used
94, 95
KEYIN1, KEYIN0
I
Front panel key input terminal
96
AVSS
-
Ground terminal
97
RC_IN0
I
Rotary remote commander key input terminal
98
AVRH
I
Reference voltage (+3.3V) input terminal (for A/D converter)
99
AVDD
-
Power supply terminal (+3.3V)
100
LCD_CE
O
Chip enable signal output to the liquid crystal display driver
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