79
5
7
8
F
E
D
C
B
A
5
7
8
FX-MG9187ZT/UC
IC's marked by * are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
Pin No.
Pin Name
I/O
Function and Operation
63
kst$
Not used
64
VSS
GND
65
KST3
Not used
66
kst@
O
Key strobe output
67
kst!
O
Key strobe output
68
kst)
O
Key strobe output
69
MS
I
Music sense input
70
f
R
O
Head forward/reverse select output
71
PLAY
O
MS gain select output
72
mtl
I
Cassette mechanism tape select input
73
cdej
I
CD eject key sense input
74
mdej
Not used
75
csej
I
Tape eject key sense input
76
NR
O
Dolby NR ON/OFF select output
77
CSLOAD
I
Tape loading detect input
78
POS
I
Cassette mechanism position sense input
79
RES
I
Cassette mechanism reverse end sense input
80
NES
I
Cassette mechanism forward end sense input
81
TEST
I
Test mode input
82
SC2
O
Cassette mechanism sub motor control output
83
SC1
O
Cassette mechanism sub motor control output
84
CM
O
Cassette mechanism capstan motor control output
85
stby
O
Stand-by output
86
ENC2-
I
Encoder 2 (-) input
87
ENC2+
I
Encoder 2 (+) input
88
power
I
POWER key input
89
BASS
Not used
90
TRE
Not used
91
MID
Not used
92
FAD
Not used
93
BAL
Not used
94
ILL-
I
Rheostat signal input
95
ROMDT
Not used
96
AVSS
A/D GND
97
ANO
GND
98
VREF
I
A/D converter reference voltage input
99
AVCC
A/D VCC
100
EDI
Not used
30
31
80
81
100
1
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