74
WX-7700MDX
*1 CD loading motor (M103) control
CD LM EJ (pin
tk
)
“L”
“L”
“H”
“H”
CD LM LO (pin
tj
)
“L”
“H”
“L”
“H”
Terminal
Operation
STOP
LODING
SAVE
BRAKE
Pin No.
Pin Name
I/O
Description
106
WAKEUP
O
Power wake up control signal output terminal for sleep release of the master controller
“H”: active
107 to 111
NCO
O
Not used
112
9K/10K
I
Frequency select switch input terminal
“L”: AM 10k step/FM 200k step, “H”: AM 9k step/FM 50k step
113
NCO
O
Not used
114
FSW SFT
O
control signal output for measure against AM beat to the power control IC
115
EMPH IN
I
Emphasis control signal input from the uPD63711GC and MD mechanism controller
“H”: emphasis on
116
PACK-IN
I
Detection input terminal from the MD disc insert detect sensor
“L”: MD disc is inserting or ejecting
117
FM ON
O
FM system power on/off control signal output terminal Not used
118
TUNON
O
Tuner unit power on/off control signal output “H”: tuner power on
119
VSS
—
Ground terminal
120
AMPON
O
Standby on/off control signal output to the power amplifier
“L”: standby mode, “H”: amplifier on
*1 Front panel open/close motor (M640) control
MOT– (pin
oj
)
“L”
“L”
“H”
“H”
MOT+ (pin
ok
)
“L”
“H”
“L”
“H”
Terminal
Operation
STOP
FRONT PANEL
OPEN
FRONT PANEL
CLOSE
BRAKE
