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Keithley 2400 Service Manual

Keithley 2400
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6-11 Model 2400 Service Manual
Replaceable Parts
2400-902-01 (G - Feb 2006)
P1001 CABLE ASSEMBLY CA-152-1
P1002 CABLE ASSEMBLY CA-151-1
P1003 CABLE ASSEMBLY CA-32-9B
P1004 CABLE ASSEMBLY CA-62-4A
Q1-6 TRANS, N-MOSFET, VN0605T TG-243
Q7,8 POWER MOSFET, IRFZ346 TG-313
Q10 TRANS, NPN, MMBT3904 TG-238
R1,37,43,44,45,65 RES, 2.21K, 1%, 100MW, THICK FILM R-418-2.21K
R2,4,6,7,13,14,19,34,35,41,47,50,52,58,
60,63,68,69,71,73-81,83,84,85-89
RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R3 RES, 10, 10%, 100MW, THICK FILM R-418-10
R5,55 RES, 10M, 1%, 125MW, THICK FILM R-418-10M
R9,11,12,16,20 RES, 100, 5%, 250MW, METAL FILM R-376-100
R10 RES, 332K, 1%, 100MW, THICK FILM R-418-332K
R15,17,18,21,23,31,48,59,61,64,70,72 RES, 1K, 1%, 100MW, THICK FILM R-418-1K
R25,28,49 RES, 4.75K, 1%, 100MW, THICK FILM R-418-4.75K
R29,39,46 RES, .0499, 1%, 100MW, THICK FILM R-418-.0499
R30,26 RES, 100, 1%, 100MW, THICK FILM R-418-100
R38 RES, 14K, 1%, 125MW, METAL FILM R-391-14K
R24,27,32,40 RES, 5.1K, 5%, 125MW, METAL FILM R-375-5.1K
R51 RES, 4.75K, 1%, 125MW, METAL FILM R-391-4.75K
R53,54,56 RES, 3.01K, 1%, 100MW, THICK FILM R-418-3.01K
R57 RES, 1M, 1%, 100MW, THICK FILM R-418-1M
R77 RES, 15K, 1%, 100MW, THICK FILM R-418-15K
R82 RES, 499, 1%, 100MW, THICK FILM R-418-499
R91,92 RES, 200, 1%, 100MW, THICK FILM R-418-200
S01,2 SOCKET, PLCC-032-T-A SO-143-32
S1 SWITCH, PUSHBUTTON (6 POLE) SW-466
T1 TRANSFORMER FOR F SUPPLIES TR-302A
TP1-9 CONN, TEST POINT CS-553
U1,22 IC, DUAL D-TYPE F/F, 74HC74 IC-773
U2 IC, MICROMANAGER, DS12365-10 IC-884
U3 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, 4-CHANNEL PWR DRIVER, 2549B IC-1044
Table 6-2 (cont.)
Digital board parts list
Circuit designation Description
Keithley
part no.

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Keithley 2400 Specifications

General IconGeneral
Model2400
CategorySourceMeter
Voltage Source Range±200 V
Power Output20 W
Voltage Measurement Resolution100 nV
Current Measurement Resolution10 pA
Resolution5.5 digits
InterfacesGPIB, RS-232
Current Source Range±1A
Current Measurement Range±1A
Resistance Measurement Range2 Ω to 200 MΩ
DisplayVacuum Fluorescent Display

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