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UD-301/351
CIRCUIT DESCRIPTION
2-2. Pin Description
Pin Name
Function
Pin Name
Function
RESET
RESET input terminal.
42
MUTG
MUTE control terminal of signal
ACTIVE
=
"'L"
processing IC (MUTE ON: "'H"')
10G~1G
1FL grid 10 G to 1G.
43
N,C
O | Unused
| N,C
Unused
44
SLTSW
| } Start limit SW input (ON: "'L')
HCCRS
Double speed control output
45
OPNSW
| | Tray open SW input (ON: "'L'')
(DOUBLE SPEED: "'L"')
46
|CLSSW
|_| Tray close SW input (ON: ''L'')
HCCRS
O | Double speed control output
47
|SDATA
|I/O|Serial signal (DATA) input/ouput
O | FL segment k
48
| BUSY
Serial signal (BUSY) input/ouput
17
O | FL segment |
terminal.
18
O
|FL erasing voltage power supply
49
CLSM
O | Tray close motor control terminal.
19
O
|FL predriver power supply
50
OPNM
O | Tray open motor control terminal.
aan i
20
O
|FL segment j.
511
DATA
O | Signal processing & servo IC
21
O
|FL segment I/KEY scan port.
control output terminal. (Data).
22
h
©
|FL segment k/KEY scan port.
52
XLT
O
|Signal processing & servo IC
trol
inal.
:
93
d
©: | Fecaeamaneoikey
scandent
;
contro!
output terminal.
(Latch)
Saal
;
24
e
O
{FL segment e/KEY scan port.
oF
oa
pelanial
processing - SeINOAE
control output terminal. (Clock).
25
c
O
|FL segment c/KEY scan port.
54
LDC
O
|Laser signal output terminal.
55
N.C
O | Unused.
56
x1
—
|Oscillation input terminal.
(4.19 MHz)
26
VDD
— | +5V power supply terminal.
28 |t
a
3
SENSE
SENSE detection terminal from in-
formation processing & servo IC.
1
|
32
O | Q-data reading clock output
1
i
inal.
feraaraal
6
KDO
| | KEY input terminal
1
;
33
Acdata inp ermal
62
KD
| | KEY input terminal
63
KD2
|
{KEY input terminal
N.C
Unused
36
Sub-code frame sink detection
signal input terminal.
37
rF
| | FOK signal input terminal of RF
amplifier.
64
KEY input terminal
| | Frame sink signal input
terminal.
O
|Analog simulation signal
(MUTE ON = "'L'')
O
|DIRC control terminal of servo IC.
19
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