Roland S-10 - Loading Sounds

WRDT
QD
DRIVE UNIT PIN DESCRIPTION
TABLE
WRGA
RDT
XTAL
EXTA
OP4
OP3
IP2
IP!
IPO
1ST
READ
TIMING
DIAGRAM IN
LOAD
MODE
Sample
Period
3
Runs
flagnif ication
Magnify
Rbout
Cursor
Moves
[
i
]
0
WRITE TIMING DIAGRAM
IN SAVE
MODE
1.000
s
/div
10.00 ms/sample
G.6d0
s 0 to X
[
20 ms]
Sample Period
Magn 1
f
1 cat ion
liliK»l
Magnify
About
Cursor Moves
C
1
]
g
BiHi
—
I
19
Runs
2 . 000 s /d
i
V
20.00
ms.-’sample
0.0
|jis
0
to X
IMIBIIM
[litilliliM
liiailBM
11
These three
diagrams represent
waveforms
on
the
drive unit connector
(or Main Board
CN12).
Note that
the
data
pulses shown in the
figure
right
are of ideal ones and cannot be
observed as
they drawn.
DATA
PULSE TIMING
T
H
b
.3 9
'i
S
>
y-T
T
-
I'
!±
,
K
y
T
y'j.
-
.y
I-
0
3
;f,
i?
(
y ii;
T
T
KCN12)
knmfiX^i-o
/
f
Nl
CO
T
- T
tiff
y
(i
Pl.t'.
fJ.
M
X-$)-y
T,
-UPS'CiiTcoll*
X
t
4-
6
4
1
V,
Data Pulses
at
QD
unit
connector
VRITE TiniNG
Pin
2
(WRITE DATA)
READ
Tl^tl.SG
Pin
5
(READ
DATA)
PIN
NUMBER
SIGNAL
NAME
I/O DESCRIPTION
1 WRITE PROTECT
OUT
Indicates whether
the recording on the
inserted
disk is inhibited or not.
HIGH : inhibited
LOW
:
not inhibited
With
a
write
protected disk inserted,
the
internal
recording circuits are disabled.
tltzf
'S
"
high
"
LOW
"
leifg'FtiT
y
k
pyory
iiftr
-{
X 9
X-$ tiit
(sCIt^ihiiA, Bftiffcnri)
2 IN
External data input to be recorded.
Recorded with
high WRITE GATE, a tiigh
to
low transition
of a data reverses the
current
direction in the read/write
head,
which records a
1 bit data.
^'HIGH"
f, "LOW’V
1C
r
t
!C
-
K
y
'i
1--V7
V
^
P* -V k
*
sp
43
t
i-f-
ZCDsimh.
WRITE
GATE
im-
A*
"HIGH" lx -t
;h<73Pflr
X
J to
WRITE
DATA
3-
WRITE GATE
IN
High WRITE GATE enables
recording.
ZC^>{n^AX
"HIGH"
X^ ±IZ
"LOW"
u-<)k<r)m\i
4
IN
Low MOTOR ON starts
the motor.
With High MOTOR ON,
an internal MOTOR STOP
can stop the motor.
ky
ON/OFF
{fill
iff
ft
"LOW"
1C
1
t
-T
-
7 in] L S
t, ZCDinm
"HIGH"
let
4ft.
Kx-fT*
\H<X>
MOTOR STOP
t ^-7-li
f?it L t
I".
MOTOR ON
5 READ DATA
OUT
Pulse-shaped analog
signal read from the
disk. Contains the
unseparated clock and
data pulses.
ZCDT-Xii,
r 'i
X-’/
ntzTi-
n
xN";kxlcMl^»l^
Itzi,
-yj'
tr'—
6
OUT
Indicates that recording
or reading
may
take place.
CHAft^li. T
'f X
A4lfcAfi5
Lfr-kT.
tit
READY
7
OUT
Low state indicates
that disk slot
lid is
closed with
a disk inserted.
High
state
represents open
lid or closed
lid without a disk.
t'
f X.
4
A^-k
y
F
?
L
sbT
If
"LOW"
1
x-<;l,
wr W
75>X1±T
-f
X
X
L
4
"HIGH"
Ix-^;ht4
0
t
i".
MEDIA
SW
8
IN
Low
for
the
predetermined
period after
POWER
ON RESET, causing
internal READY
pulled
low and resetting
the internal
flip-flop for
the
motor
to
defeat MOTOR
ON.
POWER ON RESET
"LOW"
lxx<;p
t^j::b m-yXx
ccof
^lcff)
( K 7 ^
A
rtSf57/)
READY
ftl-f
"LOW"
lcfl.i:*lC
MOTOR
^?*6ijjL4Q J:
3
1C
(
h' y 'I
Xf^kcD)
MOTOR
ONffl F
/
F
^
-k 7
Ff
1,
„
RESET
9
VB
+ 5
V
10 GND