Ricoh FT7770 Service Manual page 986

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8. MAIN BOARD (A469)
Index
Part No.
No.
*
A469 5100
Main Board
1
A469 5102
IC - HN27256G-25
5918 5711
2
Fiber Output Connector
5918 5712
3
Fiber Input Connector
Index
Part No.
No.
136
1407 2825
IC - TD62384F
137
1407 2858
IC - TD62601F
138
1407 2859
IC - TD62603F
140
1407 3053
IC - HD74LS153FP
141
1407 3054
IC - HD74LS157FP
142
1407 3055
IC - HD74LS158FP
143
1407 3056
IC - HD74LS373FP
144
1407 3057
IC - TD62602F
145
1408 0408
IC - PST518A
1408 0735
IC - HA17339F
146
147
1408 0736
IC - STK6712B
148
1503 0070
Ceramic Oscillator - 10MHz
1600 1178
Resistor Array - 330OHM ±5% 1W
149
150
1600 1354
Resistor Array - 1KOHM 1W
151
1601 7351
Resistor Array - 3.3KOHM
152
1601 7373
Resistor Array - 3.3KOHM
1601 7374
Resistor Array - 4.7KOHM
153
154
1601 8139
Variable Resistor - 50KOHM 0.5W
155
1604 1362
Capacitor - 4.7µF 25V
157
1604 1377
Capacitor - 10µF 50V
158
1604 1382
Capacitor - 10µF 50V
1604 1383
Capacitor - 22µF 50V
159
160
1604 1386
Capacitor - 100MF 50V
1605 0234
161
Capacitor - 220PF 50V
162
1606 1452
Capacitor - 0.01µF 50V
163
1610 0039
Resistor - 150OHM 1/8W ±5%
164
1610 0046
Resistor - 300OHM 1/8W
165
1610 0049
Resistor - 470OHM 1/8W ±5%
166
1610 0051
Resistor - 680OHM 1/8W ±5%
167
1610 0052
Resistor - 820OHM 1/8 ±5%
168
1610 0053
Resistor - 1KOHM 1/8W ±5%
169
1610 0055
Resistor - 1.2KOHM 1-8W ±5%
170
1610 0061
Resistor - 2.2KOHM 1/8W ±5%
171
1610 0064
Resistor - 3KOHM 1/8W ±5%
172
1610 0065
Resistor - 3.3KOHM 1/8W ±5%
Q'ty Per
Description
Assembly
Q'ty Per
Description
Assembly
Index
No.
101
1101 0328
1
102
1103 0402
1
103
1103 0740
1
104
1
1103 0750
105
1103 1488
106
1103 1810
107
1103 1812
108
1103 1816
109
1103 1819
110
1104 0271
111
1204 1481
112
1208 1258
113
1401 0200
114
1401 0234
115
1401 0296
116
1401 0298
117
1401 0832
118
1401 0861
119
1401 0862
120
1402 0269
121
1402 0477
122
1403 0238
123
1403 0558
124
1407 1306
125
1407 1307
126
1407 1309
127
1407 1311
128
1407 1314
129
1407 1318
130
1407 2073
131
1407 2217
132
1407 2231
133
1407 2273
134
1407 2341
135
1407 2667
Index
No.
173
1610 0067
174
1610 0071
175
1610 0079
176
1611 4102
177
1611 4272
178
1611 4472
179
1611 4473
180
1622 5490
181
1622 6801
21
Part No.
Description
Connector Pin Contact
Pin Header - 26P
Connector - 6P
Pin Huosing - 2P
Connector - 40P
Pin Header - 2P (Brown)
Pin Header - 4P
Pin Header - 8P
Connector
LSI Socket - 28P
DIP Switch
Solid State Relay - AC240V
Transistor - 2SD633
Transistor - 2SD686
Transistor - 2SA1162Y
Transistor - 2SC2712YTE85L
Diode - DSA1A1
Transistor - 2SA1348
Transistor - 2SC3402
Zener Diode - RD39FC
IC - 1SS187TE85
Photocoupler - TLP521-1
LED - SEL2110RTP3
IC - SN74LS00
IC - HD74LS02F
IC - HD74LS04FD
IC - HD74LS32FP
IC - HD74LS74AFP
IC - LS161
IC - UPD78C10GF
IC - MPD71054G
IC - TD62308AF
IC - TA8050P
IC - MPD71051G
IC - PD71055GB-3B4
Part No.
Description
Resistor - 4.7KOHM 1/8W ±5%
Resistor - 10KOHM ±5%
Resistor - 22KOHM 1/8W ±5%
Resistor - 1KOHM 1/4T ±5%
Resistor - 2.7KOHM 1/4T ±5%
Resistor - 4.7KOHM 1/4T ±5%
Resistor - 47KOHM 1/4T ±5%
Resistor Array - 549OHM 1/4W ±1%
Resistor - 6.8KOHM 1/4T ±1%
April 30, '89
Q'ty Per
Assembly
Q'ty Per
Assembly

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