24
Pin No.
Pin Name
I/O
Pin Description
116
REIN0
I
Dial pulse input of the rotary encoder (RE901) (B phase input)
(for VOLUME/BASS/TREBLE/BALANCE/FADER control)
117
NOSESW
I
Front panel block remove/attach detection signal input from the nose detection swich
(S102) “L”: front panel is attached
118
DOORIND
O
LED drive signal output of the CD disc slot illumination and
Z
indicator (LED771 –
773, LSW771) “H”: LED on “H”is output to turn on LED when front panel is opened
119
VSS
—
Ground terminal
120
DOLBY
O
Dolby control terminal “H”: dolby on Not used (open)