— 43 —
I/O
I
I
I
I
I
I
O
O
O
O
O
I
O
I
—
I
—
O
O
—
I
I
O
O
O
I
I
I
O
O
O
—
—
O
O
O
O
O
O
O
Pin Name
KEY3
CD123
KEY1
KEY0
ADJ
T_SENS
FLT
CLK
LDON
DATA
SQCLK
SUBQ
PRGL
SENSE
NC
RMIN
NC
XLT
AMUTE
DQSY
SCOR
BUSIN
XSEL
SMUTE
LP CONT
S1
S2
S3
TBLL
TBLR
A14
+5V
+5V
A12
A11
A10
A9
A8
A7
A6
Pin No.
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Function
Key input 3
Command mode switch
Key input 1
Key input 0
ADJ input from keys and CDs
Table sensor
Display latch
Command clock
Laser diode ON
Command data
Sub-Q clock
Sub-Q data
Digital filter latch
Sense
Not used
Command latch
Not used
Remote control signal input
Audio system mute
Ground (0V)
Sub-Q sync signal
Control-A input
Not used
Not used
LP control output
Rotary encoder S1 input
Rotary encoder S2 input
Rotary encoder S3 input
Rotation direction of table-L
Rotation direction of table-R
SRAM address 14
Microprocessor power supply (5V)
Microprocessor power supply (5V)
SRAM address 12
SRAM address 11
SRAM address 10
SRAM address 9
SRAM address 8
SRAM address 7
SRAM address 6