Sharp PC-1600

KEY CIRCUIT DIAGRAM
Unit code: DUNTKI029ECZZ
Parts
Parts name
No.
ICI HD61203
IC2
HD61102
IC3
HD61102
IC4
TC8516
RI
3.6KO± 5 % 1!IOW
R2 3.~6K 0 ± 5 % 1!IOW
R3
llKO± 5 % 1!IOW
R4
3.6K Q ± 5 % 1/10W
R5
3.6K Q ± 5 % l!lOW
R6
lOOKQ ± 5 % 1!IOW
R7
lOOKQ ± 5 % 1!IOW
R8
lOOK 0 ± 5 % 1!IOW
R9
lOOK 0 ± 5 % 1!IOW
RIO
lOOK 0 ± 5 % 1!IOW
Rll
IKO± 5 % 1/10W
RI2
lKQ± 5 % 1!IOW
Cl
Iµ
C2
lµ
C3
I µ
C4
lµ
C5
I µ
CS
0.1 µ
I
C7
0.1 µ
VR
20K VR
SP Buzzer
-
x XX
2X62
Y
y
6
R
..
r=Jivcc CRüifm ~r
J
~t Cl
V6
:l~+~~
3B~
f---fz S X22 5
'"
~WS \
9FCS Xl 2
,.._
~+,C3
~SHL X64
Y
y
:r V4
\ IclFl
1
6
~
~DS1 HD61203 ~31
4
:zfz+C4
:M TH I Cl 1
14
98
<;PI
V5
3CU (t>2!~
-Kb
9
rtJ2
;Z~C5
..
11')1')
HD61102 IC2
~ FS FRM
n
.. FRM
GNO M
-
96
M
~
)I CL2
AR10
CL
VV
CR VV V v v v VV v v
V R'A vv VV VV vv E E G ce CD R
66551 1 22 E E C S D 11 22 33 44 E E N S S S / / D D D D D 0 I
RLRLRLRLEE
EC CRLRLRLRL21D1231Wel1 3451
~f1~rJ
"' .....
"'\.0
,.._
I~-q~
,.._~
"' ... '"
N
"'I~'"
"'I"
'" '"
"''''
""0
~~ ~~~
1EE((Nl-~:'"
ICaCNl-01
--
jND<CNl-0~:==_
I
:K0CNl-40
1((:,((Nl'42
El(N1-38
f-H-
C7
A0ICNl-17
Al lCNl-l 6
~t:::
~r-. ~l
U)~I
A21CNl-15
~ .,.lD
üNI(
A3(CN1-14
ePGGCCPAAr:!
~86(C
A4(CNl-13
XCLKlCNl-47
4
C~~TD501C
~
A01C
IO~WCNl-39
es k C C S S v oe
A51CN1-12
PA11C
001(Nl-18
DlCNl-20
~ 01
PA21C
~(CN1-l1
02
o lICNI-19
If
Nl
-
6
,
A ~ TC8576F D3
~
PA3(C
B 2(CNI-21 "
2
PA4(C
3CCNl-22
I(Nl'61
21
Ä ~ IC4 D4
PA5(C
D41CNl-23
I(Nl-90
A 05
~
PA61C
[)5ICN1-24
l(NI-59
23
06
PA71(
l(Nl'58
A ~ - D7
D6ICN1-25
De,TA69!l-~7
_l_4
AAt ~/ ~ ACK
KlNeJ«(
1'l7Irt.l1-.?F;
25
A - P BUSY
KIN 1((
26
~~ L UR D SRR50STf
KIN21C
r--
KIN31(
PCLXSElllRrf
ETTDRTM
KIN4(C
~r'
~ r-.
KIN5(C
....
KIN61C
KIN71C
,
,
I
)
)
R2
R3
R4
R5
VR
-43-