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6-10
Replaceable Parts
U228,263
IC, OP-AMP, LOW NOISE LT1007CS8
IC-949
U231,219,235,234,262
IC, OP AMP, LOW POWER AD795JR
IC-1052
U238,201
IC, CMOS ANA SWITCH SPST
MAX326CSE
IC-909
U239
IC, QUAD 2-INPUT NAND, 74HC00M
IC-781
U240
IC,POS NAND GATES/INVERT,74HCT14
IC-656
U242-247
IC,DUAL HIGH CMR/SPEED
OPTO,HCPL-2631
IC-588
U252-256
IC 8 STAGE SHIFT CD74HC4094M
IC-1026
U257
IC, SUPPLY VOLT SUPERVISOR,
TL7705A
IC-860
U410,218,216,225
ICM DUAL J-FET OP-AMP, OP-282GS
IC-968
U500
IC, OP-AMP, AD847JN
IC-890
U501,506
IC, VOLT COMPARATOR LM393D
IC-775
U503
IC,+5V VOLTAGE REGULATOR,
LM2940CT
IC-576
U504
IC,POS VOLTAGE
REG+15V,500MA,78M15
IC-194
U505
IC,NEG VOLTAGE REG -15V,
500MA,79M15
IC-195
U600,264,206,207,208,233
IC, DUAL PICOAMP OP-AMP AD706JR
IC-910
U601
IC, QUAD D FLIP FLOP W/CLK,RESET
74HC175
IC-923
U604
IC, NCHAN LAT DMOS QUAD-
FET,SD5400CY
IC-893
U605
INTEGRATED CIRCUIT, OPA17
IC-960
U606,236
IC, HI-SPEED BIFET OP-AMP, AD711JR
IC-894
U607
IC, OP-AMP, NE5534D
IC-802
U608
IC, VOLT. COMPARATOR,LM311M
IC-776
U609
PROGRAMMED IC
2400-801-*
U651,602,603,224
IC, QUAD 2 IN NOR, 74HCT02
IC-809
U660,661
IC, 16 BIT DAC, AD7849BR
IC-1004
VR200,201
DIODE, ZENER MM524694 TI
DZ-113
Table 6-1 (cont.)
Analog board parts list
Circuit designation
Description
Keithley
part no.
Summary of Contents for SourceMeter 3A 2420
Page 2: ...Model 24203A SourceMeter Service Manual A G R E A T E R M E A S U R E O F C O N F I D E N C E...
Page 15: ...1 Performance Verification...
Page 31: ...2 Calibration...
Page 53: ...3 Routine Maintenance...
Page 56: ...3 4 Routine Maintenance...
Page 57: ...4 Troubleshooting...
Page 70: ...4 14 Troubleshooting...
Page 71: ...5 Disassembly...
Page 78: ...5 8 Disassembly...
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Page 84: ...6 Replaceable Parts...
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Page 107: ...A Specifications...
Page 112: ...A 6 Specifications...
Page 113: ...B Command Reference...
Page 124: ...B 12 Command Reference...
Page 125: ...C Calibration Programs...