Keithley 2700 Service Manual

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.

Keithley 2700 Specifications

General

Brand	Keithley
Model	2700
Category	Multimeter
Language	English