77 series iii, Service manual, Figure 5-1. a1 main pca (cont) – Fluke 77 User Manual
Page 57
77 Series III
Service Manual
5-6
CW
R 8
1 0 0 K
300MA
G U A R D
G U A R D
O H S
G U A R D
V0
G U A R D
G U A R D
G U A R D
V1
V4
G U A R D
V2
V3
R R S
D C S
A M 0
AMI
GUARD
GUARD
GUARD
M V
C O M
LO
S1
1
2
1 0 M
Z1
7
3
4
5
6
1.0K
1 0 K
101K
1.1M
Z1
R1
3.5K
Z 2
1.0M
R V 2
910V
RV1
910V
C O M
J4
J3
J2
J1
VR1
2 0 5 K
R 1 6
11A FAST
F2
.005
R 7
44/100A FAST
F1
4.99
R 6
R 5
4 0 2 K
S1
BAS16
C R 2
56.2K
R 1 5
61.9K
R 1 4
V D D
Q 3
SEL
Q 2
M M B T 3 9 0 4
SEL
Q1
S1
R
1
3
44.8K
R 3 1.0M
RT1
1.1K
C1
0.01
S1
R 4
1 0 0 K
3 3 P F
C 1 4
R 2
1.0K
R V 3
910V
N O T U S E D
U S E D
LAST
REFERENCE DESIGNATON
Z 2
Y1
VR1
U 2
TP2
TP3
S 3
R V 3
RT1
R 2
R 1 9
Q 3
LS1
J4
F2
D S 1
C R 2
C 1 5
BT1
VAC,VDC
OHMS,VDC,MVDC
OHMS,DT
CONT,MVDC
10A
C O M M O N
M A
V O L T S /
O H M S
OHMS,DT,CONT
2.7V
CAL
1.5MM
1 M M
5 %
2 5 %
1.23V
0.1W
0.1W
1 %
0.25%
0.5W
W W
M F
1000V
1000V
5 %
1 W
0.25W
5 W
W W
1 %
5 %
5 %
1000V
M
6 M M
6 M M
6 M M
4 M M
2 M M
5 W
W W
MF
0.1W
0.25%
2 M M
1000V
2 0 %
1
3
4
2
2 5
13
41
43
2 2
2 4
2 9
12
4 2
31
3 3
3 6
3 5
3 7
18
3 4
3 2
3 0
21
11
2 0
10
19
9
15
3
2
1
2
8
7
11
10
2 M M
FLUKE 77-3-1001
aaa09f.eps
Figure 5-1. A1 Main PCA (cont)