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Other
circuit
6-9
6-9-1
generating
Sound
circuit
generating
Sound
he
1.
rising
edge
By
is
signal
after
outputted
chart
of
generating
Sound
which
2.
signals
Sgund
transistors
and
Ql,
Q2
enable
3.
to
input
To
from
the
speaker,
the
circuit.
6-I6
Fig,
nol
JCpin
1
ir2
3
;
kiiØ
LPOUT
nczsri;
LP
sfe
lC17'5'
me
|C1B'§'
5-43
Fig
D07
Mus|csE|_
D01
.
1
mesa
0
Musfc
SEL
(ncaa
ca
input
SQUUC1
ncaa Q
output
Fig.
All manuals and user guides at all-guides.com
circuit
described
is
in
fig.
of
the
I/O
address
system
data
latching
MPU
circuit.
is
made
by
IC93
was
then
Q3)
outputted
the
from
expansion
Sgund
terminal
input
Sound
Interface
Light
Pen
|
signal
I
fJTI'_
pen
lf$a§S§¥§sse
I
WW
I
5
V
+
Power
*_*
U
VCMP
E
;§§i§§i§3i¥3l§?g§h§51§§§%
er'
e
EØgØ
e
pin
¢ S . ‹ m l
in
P~
p_'
3u|++-Q;-"'~'_'
_»"'
H
H H
-4--|-
63.5p|
| 6 . 6 m
_
P]-n
|6.6m|
_
pil
i
interface
Light
pen
M - + 5 v
.I
Z
DPS
CRO
Q35
5
J
was
CK
exam
|C93
74LS74AP
Fiq-
544
Sound
QkvØgzzyyz/3
f
P u t
/
r
H
U
signal
5"45
generating
sound
6-44.
decoder
output
6-45
D7
by
IC93.
Fig.
amplified
by
sound
the
speaker.
to
I/F-1-I/F-6
connectors
is
incorporated
before
I/O pins
JC,
content
H
e
Sin
Y
d
when
~.{
pen
(vertical
sync)
f
(horizontal
sync)
_
_
circuit
I/O
timing
AMP
+-jfoq
'
'
Q - 0 ? - 0 3
.
.
'f?§S§
'i9§iE1/F6)
circuit
generating
J
,¢;5'>33f
M;
,
, 3 1 § 4 ~
"
4153;
' 1 f % ?
U
"U
circuit
timing
chart
SEL,eoLmd
MUSIC
shows
the
timing
circuit
(Q
amp.
and
to
play
the
amplifier
sound
i
7
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