Citizen CBM-230, Service Manual

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CBM-230/231 Service Manual
CITIZEN
22
Model
CBM-230/231
PCB ASSY <Parallel>
Service Parts List
CBM-230/231-PF(230-02)
Ref. Parts No. Description QTY'
IC 1 E 107-220 CPU uPD70433GD-5BB 1
2 E 104-530 Gate Array 202LA-00 1
3 E 107-230 S-RAM LC36256AL-10 1
4 E 107-24* EP-ROM LE27C512F 1
6 E 201-830 TTL 74LS139 1
7 E 202-430 TTL 74LS00 1
8 E 202-860 Reset IC PST520E 1
9 E 202-880 HCMOS 74HCU04 1
10 E 2010200 TTL 7406 1
11 E 4101-710 DC-DC Conv. SI-8301L 1
12 E 2010220 TTL 74LS240 1
13 E 202-810 TTL 7407 1
TA 1 E 202-830 Tr. Array TA8428K CBM-231 Only 1
2 E 390-140 Tr. Array STA301A 1
3 E 202-890 Tr. Array LB1650 1
TR 1.5.6 E 359-278 Transistor 2SC2785HF(2SC1740SR) 3
2 E 358-040 Transistor RN1002 1
4 E 358-050 Transistor 2SJ139 1
D 1-8.10 E 400-580 Diode MPG06B(RLI4002) 9
11 E 3221-041 Resistor 1/4W 220 J 1
OSC 1 E 501-320 Resonator CSA25.00MX040 1
2 E 501-330 Resonator CST16.00MXW040 1
R 1.9 E 3181-041 Resistor 1/4W 180 J 2
2.4 E 3333-041 Resistor 1/4W 33K J 2
3 E 3683-041 Resistor 1/4W 68K J 1
5.6.8.11 E 3103-041 Resistor 1/4W 10K J 4
7 E 3682-043 Resistor 1/4W 6.8K F 1
10.17.21 E 3101-041 Resistor 1/4W 100 J 3
13 E 3103-043 Resistor 1/4W 10K F 1
12.14.15 E 3332-041 Resistor 1/4W 3.3K J 4
16
20 E 3105-041
Resistor 1/4W 1M J 1