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Sony MEX-BT2707E Service Manual Page 34

Bluetooth audio system.
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MEX-BT2700/BT2707E/BT2750
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3 7 63 1515 0
Pin No.
Pin Name
53
TESTIN
54
TELATT
55
ACC_IN
56
ATT
57
DIAG
58
AMPSTB
59
NCO
60
BT_AUDIO_SEL
61
NCO
62
VCC2
63
NCO
64
VSS
65
ILLUMI SEL
66
DEMO SEL
67
DIM SEL
68
B-OUT SEL
AREASEL0 to
69 to 72
AREASEL3
73 to 80
NCO
81, 82
RE-IN1, RE-IN0
83
SAIN
84
CYRIL_SEL
85
TU-ATT
86
NCO
87
RDS_ON
TE
L 13942296513
88
NCO
89
SADATD
90
SACLK
91
KEYACK0
92
KEYACK1
93
VSM
94, 95
KEYIN1, KEYIN0
96
AVSS
97
RC_IN0
98
AVRH
99
AVDD
100
LCD_CE
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34
http://www.xiaoyu163.com
I/O
-
Not used
I
Telephone attenuator detection signal input terminal
I
Accessory power detection signal input terminal
O
Muting on/off control signal output terminal
I
Diagnostic signal input from the power amplifi er
O
Standby control signal output to the power amplifi er
-
Not used
O
Bluetooth/tuner audio selection signal output terminal
-
Not used
-
Power supply terminal (+3.3V)
-
Not used
-
Ground terminal
I
Illumination voltage setting terminal
I
Demo play setting terminal
I
Dimmer selection signal input terminal
I
Blackout setting terminal
I
Model destination signal input terminal
-
Not used
I
Jog dial pulse input from the rotary encoder
I
Spectrum analyzer display data select signal input from the electrical volume
I
Cyrillic letter response setting terminal
-
Not used
-
Not used
Power on/off control signal output terminal for the RDS section
O
(BT2700: AEP, Italian, UK/BT2707E models only)
-
Not used
O
Serial data output to the electrical volume
O
Serial data transfer clock signal output to the electrical volume
I
Input of acknowledge signal for the rotary remote commander entry
I
Input of acknowledge signal for the key entry
I
FM and AM signal-meter voltage detection signal input from the PLL
I
Front panel key input terminal
-
Ground terminal
I
Rotary remote commander key input terminal
I
Reference voltage (+3.3V) input terminal (for A/D converter)
-
Power supply terminal (+3.3V)
O
Chip enable signal output to the liquid crystal display driver
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2 9
8
Description
"L": accessory power on
"H": muting on
"L": standby
"L": Bluetooth audio
"L": 9.0V, "H": 10.4V
"H": demo play on
Fixed at "L" in this set
"L": blackout ineffective, "H": blackout effective
"H": corresponds to Cyrillic letter
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
Fixed at "H" in this set
0 5
8
2 9
9 4
2 8
m
9 9
9 9

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