Signal Description - Sharp CE-E Service Manual

Parallel and pocket disk interface
Table of Contents

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12. Parts

signal description

ADP-
ADP+
BAT+
8AT-
,
@ ~
eocares
Marked with ..
pad
test
Precautions:
(j)
Diode must be closely attached on
®
The flgure below shows
the
-
'" '"
w
al -
0<
f-
0:
<:
f-
0
Cf)
,---------------,
~---L-----~~B-2-:p.0-----
the
PWB.
inslalling direction of
the
MNl2800.
cut
Match the
in the tC with the
~
arrowIlead of the resist.
I PWB
end
+
® ® ® 3
~1~1~1~1~1~1c:;;1~lgJl;;:;l~
'"
..,.
=I~I~
<-
cc
;::
'"
<D
'"
..,.
>-
<-
'"
cc
<D
<Xl
-<
<
I~I~I~
< < <
<: <:
Cf)
f- f- f- ::>
~ ~ ~ ~
<
<:
o
o
o
~
al
0
0
0
@
Lead of lhe same color must be connected
of Ihe same number for Ihe coi!.
o
All component
pins must.be
-11-
Vcc
vcc
GNO
GNO
RO
WR
I07N
MREQ
AO
AI
A2
A3
A4
A5
A6
A7
RSTN
00
01
02
03
04
05
06
07
10 Ihe circuil pattern
parts must be closely attached on the board, and
cut
to 1.5mm at lhe most.
-
C E-1600E
Vp
25 50
Vp
24 49
Vp
2348
22 47
GNO
21 46
ELH
20 45
WAIT
19 44
IORQ
1843
BFO
17 42
AI5
16 41
AI4
1540
AI3
AI2
1439
1338
Al!
12 37
A10
l! 36
A 9
A 8
1035
FGND
934
833
FGNO
732
PVOUT
6 31
PU
530
PT
429
Ne
328
MI
2'2:/ VGG
I 26
INTF

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