Fluke PM6690 Service Manual page 189

10 9
+3.3VEC
C410
100NF
H
D46
R509 R510 BAV99 R506
4.7K
U131
J23 470 470 1 8
+IN VCC
E XT E RNAL
R512 C414 2 7
ARMI NG -IN QN
3 6
I N ( r ear panel ) SHDN Q
R514
4 5
LE GND
470 10PF 1.5K D48
BNC-COAX
BAV99
MAX961
R516
R518
15K
C417
1K
10p
G 5 PREKOD0
5 PREKOD1
5 PREKOD2
L29
+15VRO
5,7 +15VD
BLM21A102S
+5VPO
L30
1,4,6,7 -12VA -12VRI
BLM21A102S
U41A
R526
L32
2 3
6,7 +3.3VA +3.3VRI
100
HCT126
BLM21A102S
F R5
L33 150
1,2,5,6,7 +5VD +5VPO
BLM21A102S
C11
L34
22pF
+5VGP
BLM21A102S
L35
+3.3VEC
1,2,5,6,7 +3.3VD
BLM21A102S
L36
+3.3VIF
BLM21A102S
C431
E
15uF-6.3V
2 CSUSBN
2 AF[0..4]
2 DF[0..31]
2 W RFN
2 RDN
2 CSGPIBN
D
2 RESGPIBN
+3.3VRI
U32A
C434
C436
22UF-35V R545 R546
2 5
100NF D Q
1.5K 1.5K
3
CLK
6
Q
D53
LVC74A
C440
+3.3VRI
U31A
3
6
C 2 U32B
100NF
LMH6624
BAT54S
R549 R553
2.2K R555
470 12 9
D Q
11
CLK
8
Q
470
R662 R557
15
J26 470
C439
BNC-COAX LVC74A
E XT E RNAL
RE F E RE NCE C449
100NF 100NF
I N ( r ear panel )
U41B
B
5 6
HCT126
+3.3VIF
U33B
U 41C
4
9 8 & 6 R562
C462 C463
5 10K
100NF 100NF
HCT126
ALVC00
U33C
9
& 8
10
16
U 41D
TEST3
ALVC00
A U34B
12 11
U33D ISP1181B
12
HCT126
&
11
13
ALVC00
10 9
8 7 6
R583
47
C4
NOT USED
+15VRO
C421
C422
100NF C454
R525 22UF-35V
10n
4.7K
L31 C424 R527 D50
Q53 BYD17G
BFG16A
4.7UH
1N 47 R531
R529 R530
C427 C428
3.3K 4.7K C429
33PF 82P
100
R533
R532 100NF
2.2K
R536 100
Q54
BFG16A D51
47 BYD17G
D52
BAV99
C430
R537
100NF
10
R538
120
DF[0..31]
+3.3VRI
R544 C435
C437
100 2.2UF-6.3V
100NF
X61 X19
R547
470 C438
100NF
C441
L37
R551 4.7UH
3.3K
10PF
Q55
B6
C442 BFS17 C443 C444 R554
3-10PF 2.2PF 100NF 47
10MHZ
L38
C445 C447 C448 C446
R558
R559 4.7UH
15PF 33PF 33PF 15PF
2.2K
47
-12VRI
C451
C450
100P
100NF
+3.3VRI
U31B
C452 LMH6624
100NF
+3.3VRI +5VPO
52
NC
C453 U32C U33E C10 U41E
100NF LVC74A ALVC00 100NF HCT126
8 7 6
5 4
C415 C416
22PF B4 22PF
6MHZ U34A
DF0
38 45
AD0 CLKOUT
DF1
35
D1
DF2
34
D2
DF3 33
D3
DF4
32
D4
DF5
31
D5
DF6
30
D6
DF7 29
D7
DF8 28 USB
D8
DF9
27
D9
DF10
24
D10
DF11 23
D11
DF12 22 R590
D12
DF13 150
21
D13
DF14
20
D14
DF15 19
D15
39 C17
A0
42 15
ALE INT 100P
43
CS
40
RD
41
WR
8 9
WAKEUP SUSPEND
R534 R535
22 22
12 11
DACK DREG
10
EOT
6 4 R591
VBUS D-
150
5
D+
18
BUS_CONF1
X18
17
BUS_CONF0
7
C16
GL
44 22PF
RESET
ISP1181B
+3.3VIF
AF0
AF[0..4]
U57A
R548 2
91K 1
4
1
LVC02
R552
1K
U33A
R16
1
&
3
2
47
ALVC00
R560
C18
100K
NOT USED
U38A
22
OE
DIRGPIB
2
DIR
G0 3 21 DF0
A0 B0
G1 4 20 DF1
A1 B1
G2 DF2
5 19
A2 B2
G3 DF3
6 18
A3 B3
G4 DF4
7 17
A4 B4
G5 8 16 DF5
A5 B5
G6 DF6
9 15
A6 B6
G7 DF7
10 14
A7 B7
L V C 4 2 4 5A
+5VGP G[0..7]
+5VGP +3.3VIF
C464
C466 C467 C468 C469
22UF-35V
100NF 100NF 100NF 100NF
C505 C465
100NF 100NF
U37B
TNT4882 U38B
LVC4245A
5 4
Rear Panel, Interfaces and I/O,
3 2 1
I NT E RNAL
J21
RE F E RE NCE
OUT ( r ear panel )
BNC-COAX
J22A
1
VBus US B
2
D- CONNE CT OR
3
D+
4
GND
USB TYPE B
IRQUSB
U11E
COUNTER CIRCUIT
100
U24
101
U25
126 102
E U26
108
U27
113
U28
187
U29
112
GET
111
GPIBDIR
189
EXTREFCTRL
198 201
EXTREF INTREFOUT
194
PULSEOUT GATEOUT
SpartanIIE-2
X64 X20
C432 C433
L63
22PF
33pF
1uH
B5
+5VPO +5VPO
40MHZ
C28
10n
R543
1M
J25A
U37A
1
DIO1
2
DIO2
3
DIO3
53 92 4
MODE IO1 DIO4
26 91 13
PAGED IO2 DIO5
29 89 14
SWAP IO3 DIO6
31 88 15
BURST_RDN IO4 DIO7
80 16
IO5 DIO8
33 77
DACK IO6 GP I B
14 74 GPIB-57LE
ABUS IO7
CONNE CT OR
62 71
BBUS IO8 J25B
55 70 17
CS REN REN
64 79 9
WR IFC IFC
63 81 8
RD NDAC NDAC
67 82 7
RESET NRFD NRFD
84 6
DAV DAV
AF0 GPIB
15 85 5
A0 EOI EOI
AF1
16 73 11
A1 CNTRL ATN ATN
AF2 17 76 10
A2 SRQ SRQ
AF3 18
A3
AF4
19 21 GPIB-57LE
A4 TADCS
66
LADCS R541
G0 39 51
D0 DACS
G1 42
D1 10K
G2
43 1
D2 BBUS_OEN
G3 R523
44 20
D3 ABUS_OEN
G4
46 22 4.7K
D4 CPUACC
G5 47 28
D5 REM
G6
49 30
D6 FIFO_RDY
G7
50 23
D7 TRIG
11 34
D8 INTR
10 38
D9 RDY1
9 32
D10 DRQ
R561
7
D11
4.7K
6 100
D12 KEYRST
5 99
D13 KEYDQ
3 98
D14 KEYCLK IRQGPIB 2
2
D15
R563
TNT4882
10K
+3.3VIF
U57B
LVC02
3 2 1
PCB 1, sheet 7/7
H
2
G
F
E
D
C
B
A
Schematic Diagrams 9-43