Fluke 12B, Руководство по обслуживанию

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12B/18/7 Series
Service Manual
4-14
R2
8
1M
R2
6
100K
R5
43.
2K
R6
226K
R7 1M
R8
1M
R9
1M
R1
3
27.
1K
R1
7
1M
R1
8
470
R1
6
470
LS
1
APV4
APV3
APV2
APV1
D I VL O
APV0
ACV
VSS
OHM S
SW S
IS R C
AMPS
CLA M P
AGN D
DGND
READ *
ADR 5
ADR 4
ADR 3
ADR 2
ADR1
ADR 0
VSS
VDD
K0
K1
K2
AZ
IN T
R E FI
DG
ND
DA
T
A
3
DA
T
A
2
DA
T
A
1
DA
T
A
0
N/
C
BEEPER
*
VSS VSS CL
K
BC
L
K
T
EST
C
L
K
BEEPER
N/
C
W
RI
T
E
*
PST
EST
VSET AC
BO
AVAM AVAO
P
AVAO
M
PF
O
VSS AF
I
FA
I
FA
O
AF
O
BG
N
D
RE
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H
BI
AS
U1
332K R2
VR
1
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30.
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3.
3
C8 CR2 BAV7
4
10.
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1.00K
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10.01K
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10 1K
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10.
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.4
7
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23.
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R1
162K
.0
2
2
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10K
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22 C3
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6
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4002
R2
7
0
47
C1
5
BO T TO M SH IE LD
TO P SHI EL D
S1
BT
1
9V
R3
0
300
TP
9
Q2
.0
2
2
C7
C1
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.0
1
C9
.
022
TP
5
TP
4
TP
6
TP
8
TP
7
CW
R4
25K
Q1
20%
1.
1K
RT
1
t
+
R2
2
300
R1
4
10K
R1
0
309K
R2
4
487K
R1
2
30.
1K
500
R1
9
0
R2
1
R2
9
300
5
20
C
O
MMO
N
MG
5%
3W
T
20%
10V
1%
1%
1%
1%
1%
1%
1%
MF
0.
1%
44
52
1
60
28
39 7
654
32
22
19
32
34
40
42
43
45
27 25 26
13
56 58
18 16
33
55 50 49 48 47
31
46
41
21
20
14
35
10
11
12
51 59
37
24 30
17
15
36
57
9
29
8
23
38
53 54
1% MF
1.
235V
0.
1%
MF
20%
3750V
16V
23
4 8
4 7
6 4
4 5
21
20%
35V
T
0.
1%
MF
1%
50V M
T 20% 6V
VOL T/ OH M S
50V
3
2
5
4
1
M
1K
V
10% 50V
1%
1%
MF
0.
1%
VD
D
SW
S
VSS1 BC
L
K
VBT
+
DA
T
A
0
DA
T
A
1
DA
T
A
2
DA
T
A
3
VSS2
VSS2 DG
ND
DG
ND
VSS2
VD
D
VD
D
R
EAD
*
AD
R
5
AD
R
4
AD
R
3
AD
R
2
A
DR1
AD
R
0
CL
K
DG
ND
DG
ND
OH
M
S
IS
R
C
VSS1
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F
H
AF
O
FA
O
RE
F
I
AVAO
M
AG
N
D
BG
N
D
APV0
FA
I
VBT
+
AC
V
AG
N
D
VD
D
W
RI
T
E
*
DG
ND
DG
ND
25%
MG 5% 3W
1W
M
F
+
0
%
-
20%
1W
20%
T
50V
M
FLUKE 7-300-1201
(1 of 2)
4700P
F
C6
0
2%
0
10
V
4700P
F
C5 0
2%
0
10
V
as12f.eps
Figure 4-6. Model 7-300 Schematic
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