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Sharp PC-1350 User Manual

Sharp PC-1350
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TC74H
C
1
38F
(
T
C
40H13
8
FN
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1
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N D
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1
6
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C
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1
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VCC
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Lr-t.J
A
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CR2025
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A
13
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r=: ~ v--
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DZ
D3
H~
_
D4
20
21
D5
-,
=
=
D6
VGG
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07
GND
1
...
.....
RAMCE
--NC
--=-
NC
-,
/
::
OE
VGG
::
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l
.
Z
M
C N
-1
C
N-
2
C
N
-3
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N
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-6
C N
-7
CN-
8
CN-9
CN-1
0
CN-11
CN
-
12
CN-
1
3
C
N-14
CN-15
CN-16
C
N
-1
7
CN-1
8
CN
-
1
9
CN-20
CN-21
C
N-22
CN-23
C
N-24
CN-25
CN-26
c'-27
c
-28
c
-29
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-3
1
C
N-32
CN-33
CN-34
CN-35
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X3
z
C")
*
1:
On account of parts procurement situation, the TC40H138FN was used as
a
subst
i
tut
i
on of the
TC74HC
1
38F
fo
r
some of CE-201
M
a
n
d
CE
-
202M
in
ear
l
ier productions. When the TC40H-
1
38FN
o
n
i
s
i
n
failure,
e
ithe
r
the TC40H138FN or TC74HC138F can be
u
s
ed as
a
replacem
e
nt
.
B
u
t
w
hen the TC74HC138F
is
in
use
,
it has to be replaced by the
TC74HC
1
38F
,
not
t
he
TC
-
40H
1
38FN
wh
i
ch may
i
mpede proper
operat
i
on due to
var
i
a
ti
on
i
n
acc
e
ss
time by the RAM chip
used
.
14.
CE-202M CIRCUIT DIAGRAM/PARTS LAYOUT CHART
(PCOS TYPE)

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Sharp PC-1350 Specifications

General IconGeneral
BrandSharp
ModelPC-1350
CategoryPDA
LanguageEnglish

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