Fluke 17b schematic
TEMPERATURE SENSOR
PLACE NEAR INPUTS
VDDA
2
TMP35
U4
+VS
4
VO
SHDN
GND
D
C
C25
0.1U
MP3
MP4
MP5
5
VSS
500MA
1
10A/11A
1
COMMON
COM
B
9MM
MP2
VOLTS/OHMS
A
C22
0.1U
C7
VDDA
C16
10U
C23
0.1U
R14
536K
100
VSS
C13
0.027U
+
91
93
94
96
98
1
3
4
6
8
9
10
11
13
15
17
18
20
22
24
26
31
32
33
34
35
36
37
38
39
40
41
42
84
29
30
C17
10U
VDD
4
R23
200K
+
FTA
FTB
FTC
OP1N
OP1O
OP2P
OP2N
OP2O
ADIP
ADIN
SA
SGND
ADP
DT
SMV
RL
RCAP
ONEK
TENK
HUNK
ONEM
TENM
SELECT
RANGE
REL
HOLD
HZDUTY
CAP
MEA4
MEA3
MEA2
MEA1
LCDC1
LCDC2
ENTX
ADPC1
ADPC2
0.027U
VDDA
+
C8
10U
4852555458
56
CACBVB
VGG
VDD
FS9721
FS9721-LP3
CRES1
CRES2
TSTA
TSTB
14
2844439546
27
C10
+
C14
0.1U
VSS
S2
2
HOLD
HOLD
S6
2
SELECT
SELECT
VSS
C11
10U
U1
8765
COLD JUNCTION COMPENSATION
R42
1
49.9K
C26
0.01U
C27
0.1U
NEAR U4.1
NEAR R42
VSS
R48
324K
R49
22K
OFFSET CAL
F1
F2
CR3
CR4
2
423
R52
200K
1%
R51
200K
1%
S1
19
R38
1.00K
0.1%
R40
1.00
2W
1%
R41
0.01
R54
R53
200K
200K
1%
1%
RT1
4MM
1100_OHM
20%
INSTALL EITHER RT2 OR R20
BUT NOT BOTH
VDD
CW
VSS
UA
MA
17
16
R50
100K
R27
1K
R55
200K
1
2
COM
1100_OHM
1%
RT2
R20
10%
4
3
RV3
910V
20%
1K
1W
49.9K
VDDA
V+
V-
R37
110
0.1%
CW
1.5MM
R43
VSS
2
U5
1
5
GAIN CAL
UA
MA
36
34
CW
R29
47K
1.5MM
A
R66
100K
1%
1
2
2
1
R46
499K
S1
RV1
910V
RV2
910V
VK
CW
C18
0.1U
R35
1K
R47
10.0M
R44
2.80K
AVERAGING FILTER
C2
35
R39
100K
1%
SA
SGND
R2
10.0K
1%
TEMP
S1
21
20
MVDC
OHMS
CAP
S1
14 13
C1
0.01U
VDC
S1
2524
OHMS
S1
2726
CAP
S1
29 28
OHMS
S1
22
23
VDC
VAC
S1
15 18
100K
0.027U
ADIP
ADIN
R1
1K
2
3
R45
4.99K
VDDA
7
V+
V-
4
C19
0.22U
VSS
R3
1.5MM
MMBT4401
VR/100 VK*2.5
C20
0.22U
U6
6
LT1097LMC7111
MMBD914
R4
100K
C3
0.027U
MMBD914
R13
100K
1%
CAP CAL
DIV
DIV
Q1
CR6
BAV74
COM
6
ADP
AC CONVERTER
CR1
R5
22.1K
1%
C4
+
0.47U
C5
+
0.47U
CR2
R6
22.1K
1%
R12
56.2K
R30
1%
1.00K
0.1%
CW
R11
4.7K
1000V
R34
9.76M
1%
VDD
Q2
MMBT3906
R36
1.00M
VSS
400V
R31
10.0K
0.1%
R7
29.4K
1%
40V
R64
470K
AC CAL
R8
R32
100K
0.1%
R24
1.00K
0.1%
CW
R21
1.00M
C24
0.1U
VSS
X10 AMP
C6
4.7U
+
R9 R10
90.0K
0.1%
10.0K
0.1%
R28
115K
CW
1K
R33
1.0M
0.1%
R25
100K
0.1%
R26
10.0K
0.1%
4V
R65
SMV
34.8K
COM
587 4
VDD
CR8
BAV199
CR9
BAV199
R22
120K
0.022U
SELECT
RANGE
REL
HOLD
HZ
CAP_RS
MEA3
MEA2
MEA1
VDC_RS
LCDC2
VDDA
VSS
1
1
1
RLCD
AGND
VSSVSS
RANGE
R15
1.00M
Y1
4.00MHZ
62
6159908987
XIN
XOUT
TSTC
VDD
+
C12
10U
2
RST
RST
SEG14
SEG13
SEG12
SEG11
SEG10
BEEPER
BLOUT
NCNCNCNCNC
9792886563
99
S3
2
RANGE
REFI
REFO
COM1
COM2
COM3
COM4
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
TXD
VDD
VSS
C15
0.1U
1
R16
100K
C9
0.1U
80
81
82
83
66
67
68
69
70
71
72
73
74
75
76
77
78
79
64
85
86
2
NC
5
NC
7
NC
12
NC
16
NC
19
NC
21
NC
23
NC
25
NC
45
NC
47
NC
49
NC
50
NC
51
NC
53
NC
57
NC
60
NC
NC
REL
3
DC CAL
R17
40.2K 21.0K
COM1
COM2
COM3
COM4
14
13
12
11
10
9
8
7
6
5
4
3
2
1
S4
2
1
REL
R19
CW
R18
10K
TP1
HZ
S5
2
HZ
LAST_MODIFIED=Thu Nov 12 08:52:50 2009
VBT+
BATTERY
3V
VSS
SEG<1..14>
1
LS1
+
2.7KHZ
2
VSS
1
VSS
DWG NO.
FLUKE 17B-1011
S1
1
XBT1
CR7
GF1B
XBT2
S1
4
UAMPS_RS
5
6
VAC_RS
7
VDC_RS
8
3
MVDC_RS
9
OHMS_RS
10
CAP_RS
11
AMPS_RS
12
MAPS_RS
S1
3332
S1
31
30
VSS
SEE SHEET 1 FOR REVISIONS
VDD
2
C21
33U
1
COM4
2
COM3
3
COM2
4
COM1
5
1
6
2
7
3
8
4
5
9
10
6
11
7
12
8
13
9
14
10
15
11
16
12
17
13
14
18
AMPS_RS
VAC_RS
VDC_RS
MVDC_RS
UAMPS_RS
OHMS_RS
MAPS_RS
CAP_RS
LCDC2
23
SH
2
REVISIONS
1
U3
POLO-LCD
---
--- ---
---
---
COM2
--- --- ---
COM1
--- --- ---
AUTO
---
4A
4F
4B
4G 4C 4D
3F
3A
3B
3G 3D
2F
2A 2E
2B
2G 2C 2D
1A 1F 1E
1B
1G 1C 1D
DIODE
KNU
BEEP
M
HOLD
REL OHM
BATT
HZ
DEGC
---
VDD
R56
R58
100K
100K
R57
R59
100K
100K
R62
R60
100K
100K
R61
R63
100K
100K
VDD
R
89536
SCHEMATIC,
FLUKE 17B
FLUKE 17B
PART NO.
SCALE
Thu Nov 12 08:52:50 2009
COM4
COM3
---
DC AC
MINUS
4E
3E
P3
3C
P2
P1
M
%
F
VA
--- ---
VDD
16
VCC
U2
4
7
I
6
I
A2
5
A1
I
4
I
A0
3
I
2
I
EO
1
I
GS
0
I
74HC148
EI
GND
8
VSS
FLUKE CORPORATION
P.O. BOX C9090
DRAWING NO.
OF
22
6
7
9
15
14
REV
3
2
1
13
12
11
10
5
EVERETT, WA 98206
DO NOT SCALE DRAWING
SIZE
FLUKE 17B-1011
FLUKE 17B-1011
D
SH
PROPRIETARY
MEA3
MEA2
MEA1
009
D
C
B
A
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