Ricoh FT4480 Field Service Manual page 276

19. MAIN BOARD (A009)
Index
Parts No. Description
No.
1
A009 5301 Main Board
2 A009 5302
IC - HN27256G - 25
3 A009 5303
IC - µPD7811G
101 1606 1454
Capacitor - 0.01µF 50V
102 1606 1455
Capacitor - 470PF 25V
103 1606 1208 Capacitor - 100PF ±5% 50V
104 1604 1354
Capacitor - 100µF 10V
105 1604 1386 Capacitor - 100µF 50V
106
1604 1363 Capacitor - 10µF 25V
107
1604 1382 Capacitor - 10µF 50V
108 1606 1452 Capacitor - 0.01µF 50V
109 1606 1453 Capacitor - 0.1µF 25V
110
1604 1381 Capacitor - 4.7µF 50V
111
1604 1383 Capacitor - 22µF 50V
112
1102 2825
Connector - 26P
113
1103 0750 Pin Housing - 2P
114 1102 2828
Connector - 40P
115
1102 2826 Connector - 30P
116
1102 2260 Connector - 18P
117
1102 2533
Connector - 11P
118
1102 2122 Spring Header - 15P
119 1102 2829 Connector - 50P
120 1102 3100
Connector - 30P
121
1103 1894 Connector - 20P
122 1102 1567
Connector - 2P
123 1103 0347 Connector - 8P
124 1102 2985 Receptacle - 12P
125 1102 2119
Connector - 6P
126 1610 0065 Resistor - 3.3KOHM l/8W ±5%
127 1610 0067 Resistor - 4.7KOHM l/8W ±5%
Index
Parts No.
Description
No.
164 1407 1610 IC - SN7407NS
165 1401 0320 Transistor - 2SB951
1401 0265
166 Transistor - 2SD1277
167 1400 0369
IC - 2SA1213
168
1401 0296 Transistor - 2SA1162Y
169 1401 0298 Transistor - 2SC2712YTE85L
170 1402 0642 Zener Diode - RD8.2M-B1
171 1402 0110 Diode - V06C
172
1401 0835 Diode - 1SS190
173
1204 1482 Dip Switch
174
1204 1480 Push Switch
175 1503 0085
Oscillator - 10MHz
176 1601 8428 Resistor - 2KOHM 0.3T
Index
Q'ty Per
Assembly N0.
128
1
129
1
130
1
131
132
133
134
135
136
137
138
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
Index
Q'ty Per
Assembly No.
39
Parts No. Description
1610 0025 Resistor - 22OHM l/8W ±5%
1610 0039 Resistor - 150OHM l/8W ±5%
1610 0041 Resistor - 180OHM l/8W ±5%
1610 0048 Resistor - 390OHM l/8W ±5%
1610 0408 Resistor - 680OHM l/8W ±2%
1610 0278 Resistor - lKOHM l/8W ±2%
1610 0053 Resistor - lKOHM l/8W ±5%
1610 0055 Resistor - 1.2KOHM l/8W ±5%
1610 0057 Resistor - 1.5KOHM l/8W ±5%
1610 0281 Resistor - 9.lKOHM l/8W ±2%
1610 0071 Resistor - 10KOHM ±5%
1610 0083 Resistor - 33KOHM l/8W ±5%
1610 0073 Resistor - 12KOHM l/8W ±5%
1610 0085 Resistor - 47KOHM l/8W ±5%
1610 0089 Resistor - 100KOHM l/8W ±5%
1610 0409 Resistor - 120KOHM l/8W ±5%
1610 0107 Resistor - lMOHM l/8W ±5%
1610 0017 Resistor - 10OHM l/8T ±5%
1610 0047 Resistor - 330OHM l/8W ±5%
1407 2058
IC - M5M82C54FP-6
1407 2054 IC - TD62308F
1407 2051 IC - SN74LS00NS
1407 2052 IC - SN74LS74ANS
1407 1729 IC - TC74HC14FP
1407 1718 IC - TC74HC08F
1407 2073 Microprocessor - MPD78C10GF
1407 1846 IC - CS74LS42NS
1407 1882 IC - SN74LS373NS
1408 0537 IC - 7705CPS-B
1407 2057 IC - M5M82C55AFP-5
1407 1305 IC - SN7406NS
1408 0395 IC - AN6912S
1407 1741 IC - SN74LS32NS
1407 1883 IC - TC4050BF
1407 2055 IC - TD62304F
Parts No. Description
May 1,'87
Q'ty Per
Assembly
Q'ty Per
Assembly