Keithley 199 Instruction Manual page 142

MAINTENANCE
Table 6-11. Model 199 Troubleshooting Mode
FUWtiOIl
&
Range
3OOmV DC
3VDC
3OV DC
300V DC~
3OOmV AC
3V AC
3OV AC
3CQVAC
3cofl
3k
4easurement
Phase
SIG ZERO
CAL ZERO
CAL
SIG
SIG ZERO
CAL ZERO
CA1
SIG
SIG ZERO
CAL ZERO
CAL
SIG
SIG ZERO
CAL ZERO
CAL
SIG
ZERO
CAL
SIG
No Test
ZERO
CAL
SIG
No Test
ZERO
CAL
SIG
No Test
ZERO
CAL
SIG
No Test
SENSE Lo
REF HI
REF LO
SENSE HI
SENSE LO
REF HI
REF LO
SENSE~~~HI
nput
uffer
Ain
x10
Xl
Xxlo
Xl
Xl
Xl
Xl
Xl
Xl
:;
E
xl
Xl
Xl
Xl
Xl
-
Xl
Xl
xl
-
X1
Gi
_
Xl
xl
Xl
-
Xl0
Xl
Xl
xl.0
Xl
Xl
2
Kl
Kl
E
-
-
-
-
-
-
-
-
<4, KS
<4, K5
<4, KS
-
c4, K5
<4, K5
<4, K5
E
K4
-
E
K4
-
cl, K?J
cl, K3
a, K3
c2, lc3
K2, K3
c2, K3
a, K3
Kz K3
Range Switches
Closed
Qll, U22A
Qll, U22A
Qll, U22A
Q11, Uz.4
011, u22A
611, u22A
Qll, U22A
Qll, U22A
QI.3, Qll U22A
413, QlL UZI'A
QB, QlL USA
Q13, QlL UZ.A
43, Qll, UDA
Q3r QIL U22A
43, Qll, UZZA
43, QS U22.4
U23A, U23B
U23A, U23B
U23A, U23B
-
u21c
u21c
u21c
-
U21B
U21B
U21B
-
IJUC, U21B
U23C, U21B
LJ23C, U2l.B
-
Qll, U22D, U24D
011. U22D. U24D
611; U22D; U24D
Qll, U22D, U24D
Qll, U22D, U24D
QJl, U22D, U24D
Qll, U22D, U24D
Qll, U22D, U24D
Multiplex
Switches Closed
U25QD"a32
U25C. 032
Q"jO-
QX
U25D, Q32
U25C, Q32
Q30
433
U25D, 432
U25C, Q32
Q35,
U25:34Q32
U25C: 432
Q35
U25D, Q32
UUC, Q32
U25A, 432
-
U25D, 432
U25C, Q32'
U25A, 432
-
U25D, 432
UUC, 432
U25A, 432
-
U25D, 432
LJ25C, Q32
U25A, Q32
-
U24B, Q32
435, 412
U25A, 432
Q3'3
U24B. Q32
435, Q=
U24A, 432
430
6-19