Fluke PM6690 - Page 153

Main Schematic
Schematic Diagrams 9-7
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
DOUT
MD9
MD10
MD11
MD12
MD13
MD14
MD15
MA8
MA9
MA10
MA11
MA12
MA13
MA14
MA15
MA16
MA17
MA18
MA19
MA20
MA6
MA7
MA8
MA1
MA0
MA2
MA9
MA3
MA10
MA11
MA12
MA13
MA14
MA15
MA16
MA17
MA18
MA19
MA20
MA6
MA7
MA1
MA4
MA0
MA5
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
DIN
RB LOCK
MD[0..31]
MA[0..21]
+5VTR
+3.3VMEM
+5VA
+3.3VD
+12VA
-12VA
+5VTR
+3.3VMEM
+3.3VMEM
+5VA
+3.3VD
+12VA
-12VA
+5VTR
RUBI DI UM
OS C.
L56
BLM41P800S
L56
BLM41P800S
X7
X7
4
6
5
8
U122
LT1009CD
U122
LT1009CD
C315
100NF
C315
100NF
C375
1nF
C375
1nF
C381
100NF
C381
100NF
C377
15UF-6.3V
C377
15UF-6.3V
R297
Not Used
R297
Not Used
L4
Not Used
L4
Not Used
R11
10K
R11
10K
C311
100NF
C311
100NF
L27
BLM21A102S
L27
BLM21A102S
R10
2.2K
R10
2.2K
C380
100NF
C380
100NF
V+
7
V-
4
U26B
OPA277
U26B
OPA277
C196
Not Used
C196
Not Used
VDD
1
VDD
14
VDD
27
VDDQ
3
VDDQ
9
VDDQ
43
VDDQ
49
VSS
28
VSS
41
VSS
54
VSSQ
6
VSSQ
12
VSSQ
46
VSSQ
52
U15B
K4S561632D
U15B
K4S561632D
X13
X13
RefA
4
FBA
3
OutA
2
DAC
U46A
MAX5156
DAC
U46A
MAX5156
3
2
6
1
8
-
+
U28A
OPA277
-
+
U28A
OPA277
C198
Not Used
C198
Not Used
J27A
NOT USED MI NICOAX-3
J27A
NOT USED MI NICOAX-3
R298
Not Used
R298
Not Used
R445
1.5K
R445
1.5K
C485
NOT USED
C485
NOT USED
A0
23
A1
24
A2
25
A3
26
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
A10
22
A11
35
A12
36
I/O0
2
I/O1
4
I/O2
5
I/O3
7
I/O4
8
I/O5
10
I/O6
11
I/O7
13
I/O8
42
I/O9
44
I/O10
45
I/O11
47
I/O12
48
I/O13
50
I/O14
51
I/O15
53
RAS
18
WE
16
CS
19
CAS
17
LDQM
15
BA0
20
BA1
21
UDQM
39
CKE
37
CLK
38
U15A
K4S281632D
U15A
K4S281632D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J11
2X10 SMD
J11
2X10 SMD
C310
100NF
C310
100NF
C383
100NF
C383
100NF
VDD
1
VDD
14
VDD
27
VDDQ
3
VDDQ
9
VDDQ
43
VDDQ
49
VSS
28
VSS
41
VSS
54
VSSQ
6
VSSQ
12
VSSQ
46
VSSQ
52
U16B
K4S561632D
U16B
K4S561632D
C378
1nF
C378
1nF
R6
100
R6
100
R13
10K
R13
10K
A0
23
A1
24
A2
25
A3
26
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
A10
22
A11
35
A12
36
I/O0
2
I/O1
4
I/O2
5
I/O3
7
I/O4
8
I/O5
10
I/O6
11
I/O7
13
I/O8
42
I/O9
44
I/O10
45
I/O11
47
I/O12
48
I/O13
50
I/O14
51
I/O15
53
RAS
18
WE
16
CS
19
CAS
17
LDQM
15
BA0
20
BA1
21
UDQM
39
CKE
37
CLK
38
U16A
K4S281632D
U16A
K4S281632D
R299
Not Used
R299
Not Used
C200
Not Used
C200
Not Used
R12
10K
R12
10K
C320
100NF
C320
100NF
R567
100
R567
100
C312
100NF
C312
100NF
V+
7
V-
4
U28B
OPA277
U28B
OPA277
SDA
1
SCL
2
A0
7
A1
6
A2
5
O.S.
3
TMP
U39A
LM75
TMP
U39A
LM75
H1
3.5 PLATED
SDA
SCL
10MHZ_RUBIDIUM
RB LOCK
DIN
DOUT
+15VU
MA[0..21]
MD[0..31]
CS
WE
CLK
CKE
LOAD TRGLVL A
LOAD TRGLVL B
SPICLK
SPIDATA
VREF
TRG_LVL_A
TRG_LVL_B
RDN
WRN
RESETHER
CSETN
A[0..4]
D[0..15]
40_MHZ
IRGET
GATEOUT
+5VPO
+3.3VMEM
+3.3VIF
+3.3V_U4
+3.3VD
+5VD
+5VA
POWERON
+3.3VD
+12VA
-12VA
20_MHZ
GND
4
VCC
8
U39B
LM75
U39B
LM75
UPO
11
DOut
10
PDL
12
CL
5
CS
6
DIn
7
SClk
8
DAC
U46C
MAX5156
DAC
U46C
MAX5156
C313
100NF
C313
100NF
C374
100NF
C374
100NF
C376
22UF-35V
C376
22UF-35V
R566
100
R566
100
R302
Not Used
R302
Not Used
X6
X6
C382
100NF
C382
100NF
3
2
6
1
8
-
+
U26A
OPA277
-
+
U26A
OPA277
C199
Not Used
C199
Not Used
VDD
16
DGND
9
AGND
1
U46D
MAX5156
U46D
MAX5156
RefB
13
FBB
14
OutB
15
DAC
U46B
MAX5156
DAC
U46B
MAX5156
C316
100NF
C316
100NF
R300
Not Used
R300
Not Used
3
2
6
1
8
-
+
U24A
OPA277
-
+
U24A
OPA277
C482
NOT USED
C482
NOT USED
R14
10K
R14
10K
C317
100NF
C317
100NF
V+
7
V-
4
U24B
OPA277
U24B
OPA277
C314
100NF
C314
100NF