Fluke 77 Series III Service Manual page 57

77 Series III
Service Manual
VOLTS/
OHMS
M A
10A
C O M M O N
LAST
USED
BT1
C15
C R 2
DS1
F2
J4
LS1
Q 3
R19
RT1
RV3
S3
TP3
U 2
VR1
Y1
Z2
5-6
Z2 1.0M 2 M M
RT1
1.1K
2 0 %
J1 R1
3.5K 5 % 2 M M
6 M M 4 M M 5 W
W W
1000V
RV2
910V
1 M M
RV1
910V
F1
J2
44/100A FAST
6 M M
1000V
F2
J3
11A FAST
6 M M
4
1000V
J4
2
C O M
REFERENCE DESIGNATON
NOT USED
R2
TP2
Figure 5-1. A1 Main PCA (cont)
OHMS,DT,CONT
S1
11 10
RV3
910V
1.5MM
R2 C1
1.0K 0.01 2 M M
1
5 % 1000V
M
Z1
S1
2 1
OHMS,VDC,MVDC
OHMS,DT
7
CONT,MVDC
S1
2 3
R5
402K 0.25%
0.25W M F
R6
4.99 Q1
5 W SEL
W W
7
3
R7
.005
1%
0.5W
Q 2
W W
MMBT3904
1
V D D
Q 3
SEL
R14
61.9K
C R 2
BAS16
VR1
1.23V
2.7V
CAL
9
GUARD
19
GUARD
20
O H S
10
21
GUARD
C14
11
GUARD
33PF
5 %
30
GUARD
Z1
31
V0
2
32
GUARD
1 0 M
33
3 V1
34
GUARD
1.1M
35
V2
4
101K
36
V3
5
1 0 K
37
6 V4
1.0K
R4 100K
18
R R S
12
1%
M V
R3 1.0M
29
D C S
42
5 % 1W
24
A M 0
22
AMI
S1
VAC,VDC
8
15
C O M
25
LO
R15
56.2K
0.1W
R16
205K
0.1W
R8
100K
2 5 %
FLUKE 77-3-1001
aaa09f.eps