Keithley SourceMeter 3A 2420 Service Manual page 97

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