AIR-SA50R - Sony Audio Service Manual (repair manual). Page 21

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AIR-SA50R
21
Pin No.
Pin Name
I/O
Description
65, 66
NC
-
Not used
67
S-AIR_GPIO2
O
Interrupt signal output to the wireless transceiver
68 to 71
NC
-
Not used
72
KEY_S-AIR/AUDIOIN
I
S-AIR/AUDIO IN key input terminal
73
KEY_POWER
I
Power key input terminal
74
KEY_SLEEP/
BRIGHTNESS
I
SLEEP/BRIGHT key input terminal
75, 76
NC
-
Not used
77
S-AIR I2CDATA
I/O
Two-way I2C data bus with the wireless transceiver
78
S-AIR I2CSCL
O
I2C clock signal output to the wireless transceiver
79
S-AIR KEY_PARING
I
PAIRING key input terminal
80
NC
-
Not used
81
BUZZ_MODE
O
Buzzer mode selection signal output terminal
82
AUDIO_IN_MODE
O
Audio in mode selection signal output terminal
83
DC_DET
I
DC detection signal input terminal
84 to 93
NC
-
Not used
94
L+R
-
Not used
95
SPEC_1
I
Destination setting terminal    Fixed at “H” in this set
96
AVSS
-
Ground terminal
97
S-AIR_ID
I
S-AIR ID selection switch input terminal    “L”: A, “M”: B, “H”: C
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
NC
-
Not used
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