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6-18
Replacement Parts
U22,U1
IC, DUAL D-TYPE F/F, 74HC74
IC-773
U23,U25,U29
IC, POS NAND GATES/INVERT,
74HCT14
IC-656
Circuit designation
Description
Keithley
part no.
U24
IC, TRIPLE 3 IN NAND, 74F10
IC-659
U26
IC, VOLTAGE REGULATOR,
LM340-12
IC-60
U28
IC, POWER VOLT REF, LT1004CZ
2.5
IC-929
U3
IC, MICROCONTROLLER
MC68332-FC
LSI-161
U4
IC, +5V RS-232 TRANSCEIVER,
MAX202
IC-952
U5
IC, OP-AMP, AD705JR
IC-814
U6
IC, OCTAL INTER BUS
TRANS,75161
IC-647
U7
IC, PROTECTED QUAD POWER
DRIVERS
IC-1212
U8
IC, POWER FACTOR CONTROL-
LER
IC-1113
U9
IC, HEX INVERTERS, 74HCT04
IC-880
VR1
DIODE, ZENER 30V BZX84C30
DZ-106-30
VR2
ZENER REGULATOR DIODE
DZ-120
Y1
CRYSTAL, FSM327
CR-41
* Order current firmware revision, for example, 2400-803C18
Table 6-2 (cont.)
Digital board parts list
Содержание SourceMeter 2425
Страница 1: ...Model 2425100W 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...
Страница 3: ...TAIWAN 1FL 85 Po Ai Street Hsinchu Taiwan R O C 886 3 572 9077 Fax 886 3 572 9031...
Страница 15: ......
Страница 16: ...1 PerformanceVerification...
Страница 35: ...1 20 Performance Verification Model 2425 Service Manual...
Страница 36: ...2 Calibration...
Страница 62: ...3 RoutineMaintenance...
Страница 65: ...3 4 Routine Maintenance Model 2425 Service Manual...
Страница 66: ...4 Troubleshooting...
Страница 84: ...5 Disassembly...
Страница 92: ...6 ReplacementParts...
Страница 113: ...6 22 Replacement Parts Model 2425 Service Manual...
Страница 114: ...A Specifications...
Страница 116: ...B CommandReference...
Страница 128: ...C CalibrationPrograms...
Страница 139: ......
Страница 141: ......