79
S35/FMWIDE&AMST
S36/LW
S37/SW
S38/OIRT
S39/RDS
VDD4
S40-S45
S46/CAM
S47/AUTO
O-DMUTE
O-SWSCAN
O-MOTOR
O-FSTB
O-CDOPEN
O-CDCLOSE
O-P.ON
______________
O-MDRST
VSS2
VDD2
O-SD
O-K.DATA
O-MUTE
_____
O-PL
O-SIN
I-SOUL
I-ACLK
O-ARDY
Pin No.
Pin Name
I/O
Description
67
68
69
70
71
72
73-78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
FL tube anode output (P13), and INT.DIODE MATRIX input.
FL tube anode output (P12), and INT.DIODE MATRIX input.
FL tube anode output (P11), and INT.DIODE MATRIX input.
FL tube anode output (P10), and INT.DIODE MATRIX input.
FL tube anode output (P9), and INT.DIODE MATRIX input.
Microprocessor power supply. (µ-com 5 V)
FL tube anode output. (P8-P3)/SHOP
(P2)/deck mechanism status detection input. (CAM)
(P1)/deck mechanism status detection input. (AUTO)
Digital signal line mute output for CD to MD.
Key scan detection timing switch.
Deck mechanism motor control output.
Connected to front shift resistor IC BU2092 pin-
5
.
CD tray open control output.
CD tray close control output.
Power supply ON/OFF control.
MD unit 7ZG-9A reset signal output.
GND.
Microprocessor power supply. (µ-com 5 V)
Connected to VCD microprocessor µPD78016 pin- .
Connected to karaoke IC TC9409 pin-
fl
.
Main mute output.
Deck mechanism plunger solenoid control output.
MD unit control serial data output.
MD unit control serial data input.
MD unit control serial data input.
MD unit control serial data send/receive ready output.
MD unit control serial data transfer request .
MD unit control serial data transfer request.
O
O
O
O
O
—
O
O
O
O
O
O
O
O
O
O
O
—
—
O
O
O
O
O
I
I
O
O
O
62
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