Keithley SourceMeter 3A 2420, Service Manual

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6-14 Replaceable Parts
P1035 LATCHING HEADER,FRICTON, SGL
ROW CS-724-3
PS1 POWER SUPPLY PS-54-2A
Q1,3,4,5,6 TRANS, N-MOSFET, VN0605T TG-243
Q10 TRANS, NPN, MMBT3904 TG-238
Q2 TRANSISTOR TG-338
Q7,12,8 POWER MOSFET IRFZ346 TG-313
Q9 TRANS,TRIODE THYRIS-
TOR,MAC223A6 TG-172
R1,37,43,44,45 RES, 2.21K, 1%, 100MW, THICK FILM R-418-2.21K
R10 RES, 332K,1%, 100MW, THICK FILM R-418-332K
R101 RES, 20K, 1%, 100MW THICK FILM R-418-20K
R102 RES, 100K, 1%, 100MW THICK FILM R-418-100K
R103,105 RES, 1K, 1%, 100MW, THICK FILM R-418-1K
R108,51 RES, 249K, 1%, 100MW, THICK FILM R-418-249K
R15,17,21,23,31,70,72,18,48,61,8,155 RES, 1K, 1%, 100MW, THICK FILM R-418-1K
R2,13,4,52,14,19,34,35,50,58,63,68,
62,75 RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R22 RES,4.02K,1%,100MW, THICK FILM R-418-4.02K
R25,28,49 RES, 4.75K, 1%, 100MW, THICK FILM R-418-4.75K
R30 RES, 100, 1%, 100MW, THICK FILM R-418-100
R33,39,92,95,29,36,42 RES, .0499, 1%, 100MW, THICK FILM R-418-.0499
R40,32,27,24 RES, 5.1K,5%, 125MW, METAL FILM R-375-5.1K
R41,56,96,98 RESISTOR, METAL FILM R-465-499K
R46 RES, 10, 10%, 100MW, THICK FILM R-418-10
R5 RES, 10M, 1%, 125MW, THICK FILM R-418-10M
R55 RES, 10M, 1%, 125MW, THICK FILM R-418-10M
R57 RES, 1M, 1%, 100MW, THICK FILM R-418-1M
R59 RES, 475, 1%, 100MW, THICK FILM R-418-475
R6,47 RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R65 RES, 2.21K, 1%, 100MW, THICK FILM R-418-2.21K
Table 6-2 (cont.)
Digital board parts list
Circuit designation Description
Keithley
part no.