71
HCD-GTX66/GTX77
Pin No.
Pin Name
I/O
Pin Description
95
SW VOL IN
I
Subwoofer volume level detection signal input from subwoofer volume jog
(A/D input) Not used in this set.
96
AVSS
I
Ground pin (for A/D conversion)
97
SW ON LED
O
LED drive signal output of SUB WOOFER ON indicator on sub woofer
“H”: LED ON Not used in this set.
98
VREF
I
A/D Converter reference voltage input (+3.3 V)
99
AVCC
—
Power supply pin (+3.3 V) (for A/D conversion)
100
HP DET
I
Headphone connection detection signal input “H”: headphone connected
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