Keithley SourceMeter 3A 2420 Service Manual page 93

6-10 Replaceable Parts
Table 6-1 (cont.)
Analog board parts list
Circuit designation
U228,263
U231,219,235,234,262
U238,201
U239
U240
U242-247
U252-256
U257
U410,218,216,225
U500
U501,506
U503
U504
U505
U600,264,206,207,208,233
U601
U604
U605
U606,236
U607
U608
U609
U651,602,603,224
U660,661
VR200,201
Description
IC, OP-AMP, LOW NOISE LT1007CS8
IC, OP AMP, LOW POWER AD795JR
IC, CMOS ANA SWITCH SPST
MAX326CSE
IC, QUAD 2-INPUT NAND, 74HC00M
IC,POS NAND GATES/INVERT,74HCT14 IC-656
IC,DUAL HIGH CMR/SPEED
OPTO,HCPL-2631
IC 8 STAGE SHIFT CD74HC4094M
IC, SUPPLY VOLT SUPERVISOR,
TL7705A
ICM DUAL J-FET OP-AMP, OP-282GS
IC, OP-AMP, AD847JN
IC, VOLT COMPARATOR LM393D
IC,+5V VOLTAGE REGULATOR,
LM2940CT
IC,POS VOLTAGE
REG+15V,500MA,78M15
IC,NEG VOLTAGE REG -15V,
500MA,79M15
IC, DUAL PICOAMP OP-AMP AD706JR
IC, QUAD D FLIP FLOP W/CLK,RESET
74HC175
IC, NCHAN LAT DMOS QUAD-
FET,SD5400CY
INTEGRATED CIRCUIT, OPA17
IC, HI-SPEED BIFET OP-AMP, AD711JR
IC, OP-AMP, NE5534D
IC, VOLT. COMPARATOR,LM311M
PROGRAMMED IC
IC, QUAD 2 IN NOR, 74HCT02
IC, 16 BIT DAC, AD7849BR
DIODE, ZENER MM524694 TI
Keithley
part no.
IC-949
IC-1052
IC-909
IC-781
IC-588
IC-1026
IC-860
IC-968
IC-890
IC-775
IC-576
IC-194
IC-195
IC-910
IC-923
IC-893
IC-960
IC-894
IC-802
IC-776
2400-801-*
IC-809
IC-1004
DZ-113