Ricoh FT8880 Service Manual page 404

87. OPERATION CONTROL BOARD (A083)
Index
Part No.
No.
* A083 5200 Operation Control Board - LT
* A084 5206 Operation Control Board - A4
1 A083 5251 IC - M5M27C101K-15 - LT
2 A083 5252 IC - M5M27C101K-15 - LT
3 A083 5261 IC - M5M27C512AK-15 - LT
100 1102 5276 Connector - 4P
101 1102 5278 Connector - 6P
102 1102 5279 Connector - 7P
103 1102 5281 Connector - 9P
104 1102 5706 Connector - 20P
105 1102 5821 Connector - 25P
106 1102 5822 Connector - 30P
107 1104 0588 DIP Socket - 28P
108 1104 0589 DIP Socket : 32P
109 1402 0764 Zener Diode - BD5.1MB1
110 1402 0980 Zener Diode - RD6.2MB1
111 1402 0985 Zener Diode - O2CZ15Y
112 1402 1057 Diode Array - DAP202U
113 1402 1058 Diode Array - DA114
114 1407 1305 IC - SN7406NS
115 1407 1597 IC - SN74LS10NS
Q'ty per
Description
Assembly
Index
Part No.
No.
1 116 1407 1605
1 117 1407 1741
1 118 1407 1745
1 119 1407 1783
1 120 1407 1792
121 1407 1835
122 1407 1879
123 1407 1882
124 1407 1925
125 1407 1926
126 1407 2052
127 1407 2081
128 1407 2251
129 1407 2566
130 1407 2818
131 1407 3128
132 1407 3864
133 1407 3865
134 1407 3875
135 1407 3890
136 1408 0397
137 1408 0611
138 1503 0437
139 1503 0448
140 1604 1385
141 1605 0258
142 1605 0636
143 1606 1452
144 1630 2102
145 1630 2104
146 1630 2122
147 1630 2123
148 1630 2303
149 1630 2472
150 1630 2473
199
Description
TTL - SN74LS157NS
TTLIC - SN74LS32NS
IC - SN74LS139NS
IC - SN74LS02NS
IC - SN74LS374NS
IC - SN74LS93NS
IC - SN74LS86ANS
IC - SN74LS373NS
IC - SN75189ANS : TTL
IC - SN75188NS : TTL
IC - NS74LS74ANS
IC - SN74LS08NS
IC - SM74LS245NS
IC - SN74LS166NS
TTL - SN74LS156NS
TTL - SN74LS19NS
IC - MPD70216L - 8
CRTC - HD6445CP4
IC - TC74HC540AF
SRAM - LC3664AML - 10
Comparator - NJM2901M
IC - MB3771PF
Crystal Oscillator - 16MHz
Crystal Oscillator - 18.432MHz
Capacitor - 47uF ±20% 50V
Capasitor - 15P
Capasitor - 0.1MF
Capacitor - 0.01uF 50V
Resistor - 1K Ω 1/8W ±5%
Resistor - 100K Ω 1/8W ±5%
Resistor - 1.2K Ω 1/8W ±5%
Resistor - 12K Ω 1/8W ±5%
Resistor - 30K Ω 1/8W ±5%
Resistor - 4.7K Ω 1/8W ±5%
Resistor - 47K Ω 1/8W ±5%
Q'ty per
Assembly