AMSTRAD CPC664 - Interface Circuit Diagram

INTERFACE
CIRCUIT DIAGRAM
BND
A1S
A13
A12
Alt
A10
A7
A6
AE
A4
A3
AS
A1
DG
M
D3
D2
Dl
DO
«6V
I pre
£
«R
Hfcbb l
natai
R0MD1S*
SZ>^
1CED7-1
-2
-9
D201
—
w-
£>
l.C SOCKET
-^
*H
\
B
b
-/rV
5—
t
=-
l y
<•<
I020E-1
74LS0B
ICB10-1
74LS132
® ® ® ® ® ®
® ® ® ®
® ®
®
i ~i ~i ~i ~i
A
11
-2
74LS27
0.2
B
4.3
,^S^o^-J°]^
r
)
>
IC203-1
74HC240
IC210-2
74LS132
12
11
ll
2
13
If*
g
.pT
i3
opT
'"oT
^T
^JT}^-
IC20S-2
74LS0B
j
f*
5*?
^-°-l
^»^
IC21
1-3
74LS27
IC212-2
74LS74
4^
z
IC20I
UPD7S5AC
4.6
J
US1
U50
LCT/DIR
(H> >SIDE
I
FLTR/SlfcP
<S)A0
WPRT/2 SIDE
IC20E-4
74LS0B
E.O
IC20B-1
-2
-3
fS>
jd
-£H>
tH>
ia
i 1>.
1C20E-3
74LS0S
"n^iL^a
-E
74HC240
a<<
^r
^h-^-
5<^f
5.0
ii
-i
K3&-J
-<^[
iZ
^o-
!a
<<^^o-
ii
-7
74HC240
IC210-4
74LS132
PCB101
MC0005A
X
1BE?
°
site i ~sgaEt&)
REAb bATA
mi l liHMJIlM
track eg
CD201 0B8WGQ0D3A
PRWE "A'
DIRSCTlOH 1
MOTOR ON"
rtV
bfilVESftgT t
RMSEn
TtBB
KW
KW
+BV
AND
I
L
r
JflN0
pi
CONDITION: MAIN SWITCH IS
SW1CHH) ON
,
BE
READY TO WORK.
AND
THE DISKET IS
WT IN DRIVE.
NOTE! THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE
TIME
OP PRINTIM3 AND SUBJECT TO CHANBE
WITHOUT NOTICE.
33
Note:
See
Page 21 for Electrical Parts List
34