Replaceable Parts
6-7
U106,U109,U121,U130,U134
IC, 8 STAGE SHIFT/STORE, MC14094BD
IC-772
U107,U108
IC, PHOTO, DARLINGTON TRANS, PS2506L-1
IC-911
U110
IC, TRMS TO DC CONVERTER 637JR
IC-796
U112
IC, J-FET OP-AMP LF357M
IC-966
U113,U126
IC, OP-AMP, LTC1050CS8
IC-791
U114,U167
IC, DUAL J-FET OP-AMP, OP-282GS
IC-968
U115
IC, QUAD COMPARATOR, LM339D
IC-774
U116
IC, DARLINGTON ARRAY, ULN2003L
IC-969
U117,U145
IC, VOLT. COMPARATOR, LM311M
IC-776
U119
IC, -15V VOLTAGE REGULATOR
IC-1334
U120,U131,U169,U186
IC, VOLT COMPARATOR LM393D
IC-775
U122
IC, OCTAL D FLIP-FLOP W/CLEAR, 74HCT273D IC-1028
U123
IC, DUAL PICOAMP OP-AMP AD706JR
IC-910
U124
IC, +5V VOLTAGE REGULATOR
IC-1371
U125
IC, +15V VOLTAGE REGULATOR
IC-1241
U132,U138,U139,U190
IC, OPA177GS
IC-960
U133
IC, CMOS ANAL SWITCH, DG444DY
IC-866
U135
IC, 16 BIT MICROPROCESSOR MC68306FC16A
LSI-154
U136
IC, 2048 X 8 SERIAL E 2 PROM
IC-1318
U137,U166
IC, HI-SPEED BIFET OP-AMP, AD711JR
IC-894
U141
IC, PRECISION REFERENCE, LM399
196-600A
U142
IC, OP-AMP, NE5534D
IC-802
U144
IC, +5V VOLTAGE REGULATOR, LM2940CT
IC-576
U146,U179
IC, POS NAND GATES/INVERT, 74HCT14
IC-656
U147,U164,U183,U184,U168
IC, DUAL D-TYPE F/F, 74HC74
IC-773
U149
IC, NCHAN LAT DMOS QUADFET, SD5400CY
IC-893
U150
IC, OPTOCOUPLER, 2611
IC-690
U151,U152
IC, 512K X 8 BIT CMOS SRAM
LSI-234-70
U154
IC, QUAD D FLIP FLOP W/CLK, RESET,
74HC175
IC-923
U155
IC, OPTOCOUPLER, 2601
IC-239
U156
PROGRAMMED ROM
2700-804-*
U157
PROGRAMMED ROM
2700-803-*
U158
IC, GPIB ADAPTER, 9914A
LSI-123
U159
IC, +5V RS-232 TRANSCEIVER, MAX202
IC-952
U160
IC, OCTAL INTERFACE BUS, 75160
IC-646
U161
IC, OCTAL INTER BUS TRANS, 75161
IC-647
U163
IC, 8-CHAN ANA MULTIPLEXER, DG408DY
IC-844
U165
PROGRAMMED ROM
2000-802-*
U171
IC, PHANTOM TIME CHIP
IC-1317
U173,U148,U153
IC, QUAD 2 IN NOR, 74HCT02
IC-809
U174,U181,U127
IC, QUAD 2 IN AND, 74HCT08
IC-837
U175
IC, DUAL HIGH CMR/SPEED OPTO, HCPL-2631
IC-588
U180
IC, QUAD 2 INPUT OR, 74HCT32
IC-808
Table 6-1 (Continued)
Model 2700 motherboard parts list
Circuit Designation
Description
Keithley Part No.
Summary of Contents for 2700
Page 1: ...Contains Servicing Information Model 2700 Multimeter DataAcquisition System Service Manual...
Page 16: ......
Page 17: ...1 PerformanceVeri cation...
Page 48: ...1 32 Performance Verification...
Page 49: ...2 Calibration...
Page 72: ...2 24 Calibration...
Page 73: ...3 RoutineMaintenance...
Page 81: ...4 Troubleshooting...
Page 99: ...5 Disassembly...
Page 106: ...5 8 Disassembly...
Page 107: ...6 ReplaceableParts...
Page 121: ...A Speci cations...
Page 136: ...A 16 Specifications...
Page 137: ...B CalibrationReference...
Page 161: ...C CalibrationProgram Appendix C Page 1 Friday February 18 2000 7 45 AM...
Page 172: ...Service fm Page 2 Friday February 18 2000 7 44 AM...
Page 173: ......
Page 174: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A...