Service manual

CBM-270 Service Manual
22 CITIZEN
5
55
5.
..
.3
33
3P
PP
Pa
aa
ar
rr
rt
tt
ts
s s
s L
LL
Li
ii
is
ss
st
t t
t f
ff
fo
oo
or
r r
r C
CC
Co
oo
on
nn
nt
tt
tr
rr
ro
oo
ol
l l
l B
BB
Bo
oo
oa
aa
ar
rr
rd
d d
d
1/2
Ref. No. Q'ty
RP
Parts No. Description
RP
Remarks
IC1
IC2
IC3
IC4
IC5
IC6
IC7
(IC4)
TA1
Tr1
Tr2,12
Tr3-5
Tr6-7
D1
ZD1
ZD2,3
Xtal
F1
F2
F3
DS1
DS2
SW1
RA1
RA2
CA4
IC1
IC2
IC3
IC4
IC5
IC6
(IC4)
TA1
Tr1
Tr2,12
Tr3-5
Tr6-7
10-11
D1
ZD1
ZD2,3
Xtal
F1
F2
F3
DS1
SW1
RA1
RA2,3
CA4
E107-280
E104-530
E107-330
E104-650
E2020050
E4800870
E390-350
E379-060
E379-990
E4005-795
E4005-815
E4005-770
E5103-510
E5103-470
E5109-210
CPU H8/3002
Gate Array CBM-202LA-00
SRAM TC55257DFL-55L
EPROM LE27C512F-45
Kanji ROM CBM-202KG-01
Reset IC M51953BFP
I/F IC MAX202CSE
IC Socket DILB-28P
Motor Driver LB1831M
Transistor 2SD1802ST-TA-TF
FET 2SJ327-Z
Transistor
DTC114EUA or RN1302
Transistor 2SC2712
Diode S1G
Zener Diode RD8.2MB
Zener Diode RD5.6MB2
CeramicOscillator
CSTCS16.00MX0C3
Fuse MS3
Fuse 251.500
Fuse MQ1.5
DIP Switch KSD-08
DIP Switch KSD-04
Slide Switch
SK22H03-G7
Chip Res.Array
BCN4D471JE
Chip Res.Array BCN4D103JE
Chip Res.Array BCN4D103JE
Capacitor Array CGSD6
´
101M
1
1
1
1
1
1
1
1
1
1
2
3
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
1
1
2
1
1
1
1
1
1
1
2
1
Japanese Spec. Only
SP232ACN(SIPEX)
Resistor Built-in Type