Fluke PM6690 Service Manual page 153

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