— 103 —
I/O
Function
Pin No.
Pin Name
O
O
I
—
—
O
O
—
—
O
O
O
O
O
—
45
46
47
48
49
50
51
52
53 to 59
60
61
62
63
64
65 to 80
S/W BOOST
VOL SCL
STR-IN
IC
—
VOL SDA-1
VOL SDA-2
VDD
—
SP LED
INT-CEN LED
EXT-CEN LED
OPERATE LED
READY LED
—
Sub woofer boost control output “L” : ON
Serial clock output to electrical volume IC
Remote control signal input (inside)
Not used
Serial data output to electrical volume IC
+5V power supply
Not used
LED drive output “H”: active
Not used
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9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
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TEL 13942296513 QQ 376315150 892498299
