Fluke PM6690 Service Manual page 167

5
+3.3VEC
C410 C410
100NF 100NF
D46 D46
BAV99 BAV99 R506 R506
R509 R509 R510 R510
4.7K 4.7K
U131 U131
470 470 470 470
J23 J23
1 8
EXT ERNAL +IN VCC
C414 C414
2 7
R512 R512 -IN QN
ARM I NG
3 6
D
I N ( r ear panel ) SHDN Q
R514 R514 D48 D48 4 5
470 470 LE GND
10PF 10PF 1.5K 1.5K BAV99 BAV99
BNC-COAX BNC-COAX
MAX961 MAX961
R516 R516
15K 15K
R518 R518
C417 C417
1K 1K
10p 10p
4 INTREF
L29 L29
+15VRO
5,7 +15VD
BLM21A102S BLM21A102S
+5VPO
L30 L30
-12VRI
1,4,6,7 -12VA
BLM21A102S BLM21A102S
HCT126 HCT126
R526 R526
L32 L32
2 3
6,7 +3.3VA +3.3VRI 100 100
U41A U41A
BLM21A102S BLM21A102S C427 C427
R5 R5 33PF 33PF
L33 L33 NOT USED NOT USED
1,2,5,6,7 +5VD +5VPO
BLM21A102S BLM21A102S
C11 C11
L34 L34
NOT USED NOT USED
+5VGP
BLM21A102S BLM21A102S
C
L35 L35
+3.3VEC
1,2,5,6,7 +3.3VD
BLM21A102S BLM21A102S
L36 L36
+3.3VIF
BLM21A102S BLM21A102S
C431 C431
220UF-10V 220UF-10V
2 CSUSBN
2 A[0..4]
2 D[0..15]
2 WRN
2 RDN
2 CSGPIBN
6 RESGPIBN
2 DIRGPIB
6 EXTREFON
U32A U32A
+3.3VRI
B
2 5
D Q
3
CLK
C434 C434 6
C436 C436
Q
22UF-35V 22UF-35V R545 R545 R546 R546
100NF 100NF
1.5K 1.5K 1.5K 1.5K
J26 J26 LVC74A LVC74A
C439 C439 C440 C440
R549 R549 U31A U31A
E XT E RNAL
3
REF E RENCE
6
I N ( r ear panel ) 1K 1K
100NF 100NF 100NF 100NF 2 U32B U32B
BNC-COAX BNC-COAX LMH6624 LMH6624
R553 R553
R555 R555 12 9
D Q
2.2K 2.2K
11
CLK
8
D53 D53 470 470 Q
BAT54S BAT54S R557 R557
15 15
LVC74A LVC74A
C449 C449
100NF 100NF
C451 C451
100P 100P
U41B U41B
5 6
HCT126 HCT126
+3.3VIF
U33B U33B
U41C U41C
4
9 8 & & 6 R562 R562
C462 C462 C463 C463
A
5 10K 10K
100NF 100NF 100NF 100NF
HCT126 HCT126
ALVC00 ALVC00
U33C U33C
9
& & 8
10
16
U41D U41D
TEST3
ALVC00 ALVC00
U34B U34B
12 11
U33D U33D ISP1181B ISP1181B
12
HCT126 HCT126
& &
11
13
ALVC00 ALVC00
5
4
R583 R583
47 47
C4 C4
NOT USED NOT USED
+15VRO
C422 C422
C421 C421
R525 R525 22UF-35V 22UF-35V
100NF 100NF
4.7K 4.7K
D50 D50
C424 C424 BYD17G BYD17G
L31 L31 R527 R527
Q53 Q53
BFG16A BFG16A
4.7UH 4.7UH
47 47
1N 1N
R531 R531
C428 C428 R529 R529 R530 R530
C429 C429
82P 82P 3.3K 3.3K 4.7K 4.7K
100 100
R533 R533
R532 R532
100NF 100NF
2.2K 2.2K
100 100
R536 R536
Q54 Q54
D51 D51
BFG16A BFG16A
47 47
BYD17G BYD17G
D52 D52
BAV99 BAV99
C430 C430
R537 R537
100NF 100NF
10 10
R538 R538
120 120
A[0..4]
D[0..15]
+3.3VRI
R544 R544 C435 C435
C437 C437
100 100 2.2UF-6.3V 2.2UF-6.3V
100NF 100NF
R547 R547 X61 X61 X19 X19 R548 R548
C438 C438
470 470 100K 100K
C441 C441
100NF 100NF
R551 R551 L37 L37
3.3K 3.3K R552 R552
10PF 10PF 4.7UH 4.7UH
1K 1K
C444 C444
Q55 Q55
C442 C442 C443 C443
B6 B6 R554 R554
BFS17 BFS17
10MHZ 10MHZ 47 47
3-10PF 3-10PF 2.2PF 2.2PF 100NF 100NF
C445 C445 C446 C446
15PF 15PF 15PF 15PF
R558 R558 R559 R559
2.2K 2.2K 47 47 L38 L38 R560 R560
100K 100K
4.7UH 4.7UH
C447 C447 C448 C448
33PF 33PF 33PF 33PF
C450 C450
-12VRI
100NF 100NF
+3.3VRI +5VPO
U31B U31B C10 C10 U41E U41E
C452 C452 LMH6624 LMH6624 100NF 100NF HCT126 HCT126
+5VGP +3.3VIF
100NF 100NF
C465 C465
100NF 100NF
+3.3VRI
U38B U38B
52 52
LVC4245A LVC4245A
NC NC
C453 C453 U32C U32C U33E U33E
100NF 100NF LVC74A LVC74A ALVC00 ALVC00
4
3 2
C415 C415 C416 C416
22PF 22PF 22PF 22PF
B4 B4
6MHZ 6MHZ
U34A U34A
D0
38 45
AD0 CLKOUT
D1
35
D1
D2
34
D2
D3 33
D3
D4
32
D4
D5
31
D5
D6 30
D6
D7 29
D7
D8 28 USB USB
D8
D9
27
D9
D10
24
D10
D11 23
D11
D12 22
D12
D13
21
D13
D14
20
D14
D15 19
D15
39
A0
42 15
ALE INT
43
CS
40
RD
41
WR
8 9
WAKEUP SUSPEND
R534 R534 R535 R535
22 22 22 22
12 11
DACK DREG
10
EOT
6 4
VBUS D-
5
D+
18
BUS_CONF1
X18 X18
17
BUS_CONF0
7
GL
44
RESET
ISP1181B ISP1181B
+3.3VIF
A0
U33A U33A
R16 R16
1
& &
3
2
47 47
ALVC00 ALVC00
C18 C18
NOT USED NOT USED
U38A U38A
22
OE
2
DIR
G0 D0
3 21
A0 B0
G1 4 20 D1
A1 B1
G2 5 19 D2
A2 B2
+5VGP G3 D3
6 18
A3 B3
G4 D4
7 17
A4 B4
G5 8 16 D5
A5 B5
G6 9 15 D6
A6 B6
G7 D7
10 14
A7 B7
C464 C464
C466 C466 C467 C467 C468 C468 C469 C469
22UF-35V 22UF-35V LVC4245A LVC4245A
100NF 100NF 100NF 100NF 100NF 100NF 100NF 100NF
G[0..7]
U37B U37B
TNT4882 TNT4882
3 2
Rear Panel, Interfaces and I/O,
1
EXTCTRL
J21 J21
I NT ERNAL
BNC-COAX BNC-COAX REF ERE NCE
OUT ( r ear panel )
J22A J22A
1
VBus US B
2
D- CONNECT OR
3
D+
4
GND
USB TYPE B USB TYPE B
IRQUSB
+5VPO
+5VPO
+3.3VIF +3.3VIF
EXT REF 6
40_MHz
X64 X64 X20 X20
C432 C432 C433 C433
L63 L63
33pF 33pF 22PF 22PF
1uH 1uH
B5 B5
40MHZ 40MHZ
C28 C28
10n 10n
R543 R543
1M 1M
J25A J25A
U37A 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 GPI B
14 74 GPIB-57LE GPIB-57LE
ABUS IO7 CONNE CT OR
62 71
BBUS IO8
J25B 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
A0 GPIB GPIB
15 85 5
A0 EOI EOI
A1
16 73 11
A1 CNTRL CNTRL ATN ATN
A2 17 76 10
A2 SRQ SRQ
A3 18
A3
A4
19 21 GPIB-57LE GPIB-57LE
A4 TADCS
66
LADCS
G0 39 51
D0 DACS
G1 42
D1
G2
43 1
D2 BBUS_OEN
G3
44 20
D3 ABUS_OEN
G4 46 22
D4 CPUACC
G5 47 28
D5 REM
G6 R523 R523
49 30
D6 FIFO_RDY
G7
50 23
D7 TRIG GET 2
11 34
D8 INTR
1K 1K
10 38
D9 RDY1
9 32
D10 DRQ
R561 R561
7
D11
4.7K 4.7K
6 100
D12 KEYRST
5 99
D13 KEYDQ
3 98
D14 KEYCLK IRQGPIB 2
2
D15
R563 R563
TNT4882 TNT4882
10K 10K
J25C J25C
GPIB-57LE GPIB-57LE
GPI B
CONNE CT OR
1
PCB 1, sheet 7/7
6
D
2
C
B
A
Schematic Diagrams 9-21