Service manual

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KEY CIRCUIT DIAGRAM
enit cnde:DUNTK1029EC2Z
Parts
Parts name
NQ
ICI
HD61203
IC2 HIJ61102
IC3
HIJ61102
IC4
TC8576
RI
3.6KU± 5 % I/IOW
R2
3.6KU± 5 % 1/10W
R3
IIKU±5%1/IOW
R4
3.6KU± 5 % 1/10W
R5
3.6K U ± 5 % 1/10W
R6
lOOK U ±5 % I/IOW
R7
lOOK O± 5 % 1/10W
R8
lOOK a ± 5 % 1/10W
R9
lOOK U ±5 % I/IOW
RIO
100KU± 5 % 1/10W
R11
IKU±5%1/IOW
RI2
IKU± 5 % I/IOW
CI I,
C2
I,
C3 I,
C4
1,
C5
I,
C6 0.1,
C7 0.1,
VR ZOK VR
SP
Buzzer
RI
R2
R3
R4
HD61203
ICl
R5
VR
Rll
FeE/CNl 028 ........ 3
Cl SP
R12
F(CNl-67~
-43-
XCLK(CNl
IO.SUlCNl
R-DlCNl
WilICNl
IlIlCNl
{eN1
{eN1
4(CNl
(all
Im
ICNl
ICNl
CN1
Y
HD611f1) 21C2
INT00l1~1~~~~~~gnTITIIT...J
DRAICNl
CDAIeNl
CSA{CNl
RXOleNl
RSTlflICNlj~~~~~~~~~~~==W
PRHCNI
~l
TXDICNI
~~m
PC-I600
LF 72f1)4E
y'
,---.-
HD611f1)2
r---~---!
,--..;:-tt r~1 I
-44-