Keithley SourceMeter 3A 2420 Service Manual page 88

Table 6-1 (cont.)
Analog board parts list
Circuit designation
K200-205
K206,207,208
K211
L201,500,501
L600,601,602
L603
Q200-207,240,241
Q208,210,212,214,216,218
Q209,211,213,215,217,219
Q220,225
Q221,226
Q222,224
Q234-239,244,246,255,256,
258,401,404,229
Q242,243
Q247,520,601,529,228,248
Q249
Q250
Q402,409
Q403,406,407,408
Q405,410,411,602-605,223,420,502
Q412,414
Q415,416
Q417,419
Q418
Q500,503
Q501,510,534,535,528,227,257,515,
517,519
Q504,514,516
Q507,523,525
Q518
Description
N.C RELAY, 1 FORMB, AQV214S
RELAY
RELAY, SURFACE MOUNT
CHOKE, SHIELD BEAD
FERRITE CHIP 600 OHM BLM32A07
FERRITE CHIP 600 OHM BLM32A07
TRANS, N CHANNEL JFET, SNJ132199
TRANS,NPN CATV SILICON,MPSH17
TRANS,CURRENT REGULATOR,CR430
TRANS,NPN SILICON,MJE340
TRANS,PNP POWER,MJE350
TRANS, N-CHAN JFET, SST4393
TRANS, N-MOSFET, VN0605T
TRANS, N-CHAN MOSFET, TN254ON8
TRANS, PNP, MMBT3906L
TRANS, NPN SILICON, BC846BL
TRANS PNP, BC 856BL
TRANS, N-CHAN DMOS FET TN2504N8 TG-261
TRANS, N-CHAN JFET, SST109
TRANS, N-MOSFET, VN0605T
TRANS, N-MEGAFET, RFD 14N05LSM
TRANS, P-FET, MTP23P06
N CHANNEL MEGAFET
TRANS, P-CHAN, MOSFET, TP0610T
TRANSISTOR, SMT
TRANS, NPN, MMBT3904
TRANSISTOR
TRANSISTOR
TRANSISTOR
Replaceable Parts 6-5
Keithley
part no.
RL-176
RL-207
RL-188
CH-52
CH-62
CH-62
TG-294
TG-221
TG-219
TG-209
TG-210
TG-263
TG-243
TG-274
TG-244
TG-278
TG-287
TG-266
TG-243
TG-267
TG-229
TG-339
TG-259
TG-350
TG-238
TG-349
TG-348
TG-356