Fluke PM6690 - Page 161

Miscellaneous, PCB 1, sheet 4(7)
Schematic Diagrams 9-15
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
PREKOD0
PREKOD2
PREKOD1
+5VD
+3.3VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+5VD
+3.3VD
SDA1,2
SCL1,2
DONE2
INITN2
+5VD1,2,6,7,8
+3.3VD1,2,6,7,8
OPCLK6
+3.3VD1,2,6,7,8
SCL1,2
SDA1,2
PRESC ON6
+5VD1,2,6,7,8
+12VA1,4,6,7
PRESC TEST6
+5VD1,2,6,7,8
OPTION6
OPCLK6
+3.3VD1,2,6,7,8
SCL1,2
SDA1,2
+12VA1,4,6,7
+5VA1,4,6
-5.2VI7
+15VD7,8
PROGN 2
IMP A 3
ATT A 3
AC/DC A 3
COM A 3
FILTER_B 3
BURST 6
C6
BURST 6
FILTER_A 3
+12VI 3
+5VAI 3
+5VBI 3
-5.2VAI 3
-5.2VBI 3
AC/DC B 3
IMP B 3
ATT B 3
COM B 3
-5.2VA6,7
-5.2VA6,7
PRESCALER
CONNE CT OR
OP T I ON
C O NNE CT O R
L39
BLM21A102S
L39
BLM21A102S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J16
2X10 SMD
J16
2X10 SMD
R441
6.8K
R441
6.8K
C372
100NF
C372
100NF
L47
BLM21A102S
L47
BLM21A102S
C478
100NF
C478
100NF
R431
0
R431
0
C483
100NF
C483
100NF
C473
100NF
C473
100NF
R437
2.2K
R437
2.2K
R423
4.7K
R423
4.7K
R444
6.8K
R444
6.8K
L42
BLM21A102S
L42
BLM21A102S
C484
100NF
C484
100NF
C471
100NF
C471
100NF
R4
10K
R4
10K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J15
2X10 SMD
J15
2X10 SMD
L48
BLM21A102S
L48
BLM21A102S
R430
2.2K
R430
2.2K
R564
330
R564
330
C486
100NF
C486
100NF
R434
2.2K
R434
2.2K
R435
6.8K
R435
6.8K
Q41
BC807-25
Q41
BC807-25
Q42
BC807-25
Q42
BC807-25
VDD
24
VSS
12
U40B
PCA9555
U40B
PCA9555
L46
BLM21A102S
L46
BLM21A102S
R428
NOT USED
R428
NOT USED
L51
BLM21A102S
L51
BLM21A102S
R565
330
R565
330
L50
BLM21A102S
L50
BLM21A102S
A0
21
A1
2
A2
3
SCL
22
SDA
23
I/O0.0
4
I/O0.1
5
I/O0.2
6
I/O0.3
7
I/O0.4
8
I/O0.5
9
I/O0.6
10
I/O0.7
11
I/O1.0
13
I/O1.1
14
I/O1.2
15
I/O1.3
16
I/O1.4
17
I/O1.5
18
I/O1.6
19
I/O1.7
20
INT
1
U40A
PCA9555
U40A
PCA9555
10N
C470
10N
C470
L45
BLM21A102S
L45
BLM21A102S
R427
6.8K
R427
6.8K
Q45
BC807-25
Q45
BC807-25
Q43
BC807-25
Q43
BC807-25
Q38
BC807-25
Q38
BC807-25
C479
100NF
C479
100NF
R440
2.2K
R440
2.2K
X5X5
R421
2.2K
R421
2.2K
C472
100NF
C472
100NF
Q39
BC807-25
Q39
BC807-25
R418
2.2K
R418
2.2K
C476
100NF
C476
100NF
R419
6.8K
R419
6.8K
R438
6.8K
R438
6.8K
10N
C475
10N
C475
Q44
BC807-25
Q44
BC807-25
Q40
BC807-25
Q40
BC807-25
L43
BLM21A102S
L43
BLM21A102S
C371
220UF-10V
C371
220UF-10V
C481
100NF
C481
100NF
R3
10K
R3
10K
R443
2.2K
R443
2.2K
R432
6.8K
R432
6.8K
L41
BLM21A102S
L41
BLM21A102S
L40
BLM21A102S
L40
BLM21A102S
R426
2.2K
R426
2.2K
R424
4.7K
R424
4.7K
C480
100NF
C480
100NF
L44
BLM21A102S
L44
BLM21A102S
R422
6.8K
R422
6.8K
R2
10K
R2
10K
C474
100NF
C474
100NF
L49
BLM21A102S
L49
BLM21A102S
C477
100NF
C477
100NF