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Pin No.
Pin Name
111
CD MD
NC
112
113
TUNON
NC
114
115
REIN1
116
REIN0
117
NOSE-SW
118
DOORIND
119
VSS
120
DOLBY
56
I/O
Setting terminal for the internal mechanism CD or MD
I
"L": CD, "H": MD (fixed at "H" in this set)
I
Not used (fixed at "L")
Tuner system power supply on/off control signal output terminal
O
"H": tuner power on
I
Not used (fixed at "L")
Dial pulse input of the rotary encoder (RE901) (A phase input)
I
(for VOLUME/BASS/TREBLE/BALANCE/FADER control)
Dial pulse input of the rotary encoder (RE901) (B phase input)
I
(for VOLUME/BASS/TREBLE/BALANCE/FADER control)
Front panel block remove/attach detection signal input from the nose detection switch (S102)
I
"L": front panel is attached
LED drive signal output of the MD disc slot illumination and Z indicator (LED751, LSW751)
O
"H": LED on "H" is output to turn on LED when front panel is opened
—
Ground terminal
O
Dolby control terminal "H": dolby on Not used (open)
Description
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