Fluke PM6690 Service Manual page 181

5
R[0..3]
R505 R481 R484 R485
1K 1K 1K 1K
R513 R511 R508 R507
330 330 330 330
U11A
COUNTER CIRCUIT
D 60
RDY0
75
RDY1
74
RDY2
97
RDY3
27
ADCDATA0
29
ADCDATA1
30
ADCDATA2
31
ADCDATA3
33
ADCDATA4
34
R515 ADCDATA5
35
ADCDATA6
AD5
36
ADCDATA7
40
R517
ADCDATA8
41
330 ADCDATA9
AD6
43
ADCDATA10
44
R519 ADCDATA11
330
AD7
52
R520 M0
50
330 M1
AD8
54
M2
R521
2
330 TMS
AD9
207
TCK
159
R522 TDI
330
AD10 8
U9
9
U10
15
330 U11
16
U12
22
U13
17
U14 TRIGALED
18
U15 TRIGBLED
23
U16 GATELED
24
U17
61
U18
62
U19
C
SpartanIIE-2
+12VREF
R392
U18A
3 R393
1 VREF
Q32
6
4.7K BC847B
2
47
C335 C337
OPA277
10PF
100NF
R395
33K
R394 R400
15K 47K
+12VREF
U19A
3 R405
6 Q35
BC847B
2
C340
R406 47
100NF C345
10K OPA277
10PF
R407
10K
C347
15UF-6.3V
L22
1,5,6,7 +12VA +12VINT
B
BLM21A102S
L23 R413
+12VREF
BLM21A102S 100
C351
C350
100NF
1uF-16V
L24
1,6,7,8 -12VA -12VINT
BLM21A102S
L25
1,5,6 +5VA +5VINT
BLM21A102S
L26
+5VAD
BLM21A102S
+5VINT
U42B C12 U43B C13
C29
KM4100 100NF KM4100 100NF
A
2.2UF-6.3V
U44B C14 U45B C15
C31
KM4100 100NF KM4100 100NF
2.2UF-6.3V
5
4
C507
C332
6.8u-16V
10n
R375
4.7K
C325
R378
63
ERRP0
64
U20
59 Not_Used 47
RES0
56 R634
SH0
R381 2.2K
57
CS0
58 100
RD0
68
ERRP1
R633
69
U21 C322
2.2K
84
RES1 100p
81
SH1
82
CS1
83
RD1
70
ERRP2
71
U22
89
RES2
86
SH2
87
CS2
88
RD2
73
ERRP3
80
U23 C525
96 C528
10n
RES3
93 6.8u-16V
SH3
R384
94
CS3
4.7K
95
RD3
C334 R385
47
191 Not_Used
R390 R640
192
2.2K
193 100
157
TDO
R641
C328
2.2K
100p
X3 X53
C526
C529
10n
6.8u-16V
R396
4.7K
C339
15UF-6.3V
C336
R397
Not_Used 47
R642
R403
2.2K
100
X4 X54
C338
R643
100p
2.2K
C527
C530
10n
6.8u-16V
R408
4.7K
C356 R409
47
Not_Used
R416 R644
100 2.2K
C348
R645
100p
2.2K
C30
2.2UF-6.3V
+5VAD
C32
2.2UF-6.3V C358 U20B
C357 C359 C360
15UF-6.3V ADC1061
100NF 100NF 100NF
4
3 2
L59
+12VINT
Q28 BLM21A102S
BF513 R524
C321
R377
100NF
2.2K
R376 R379 22
82
U42A
1.5K
4 -
1 C324
Q59 R383 C509
3 +
Q29
BFT92 KM4100 C323 100NF
BFT92 47 Not Used
100NF
R380
U132A
8
1
10
2
C326
C327 R382
68P
6
100p 100 ADG719
L60
+12VINT
Q30 BLM21A102S
BF513
C522
R387 R528
100n
2.2K
R652 R391
82 22
1.5K U43A
4 -
Q63 R389 C510 C331
1
Q31 3
+
BFT92
BFT92 47 Not Used KM4100 C330 100NF
R658 U133A 100NF
8
1
10
2
C333
C329
68P
R386
6
100p 100 ADG719
L61
+12VINT
Q33 BLM21A102S
BF513
C523
R399 R539
100n
2.2K
R656
R404
82 22
1.5K U44A
4
-
Q64 R402 C511 1 C342
Q34 3
+
BFT92
BFT92 47 Not Used KM4100 C341 100NF
R659 U134A 100NF
8
1
10 2
C344
C346 R398
68P
6
100p 100 ADG719
L62
+12VINT
Q36 BLM21A102S
BF513
C524
R411
R540
100n
2.2K
R410 R657
82 22
1.5K U45A
4
-
Q65 R417 C512 C353
1
Q37
3 +
BFT92
BFT92 47 Not Used KM4100 C352 100NF
R660
U135A 100NF
8
1
10
2
C355
C349 R414
68P
6
100p 100
ADG719
+5VAD +5VAD
C361 U21B C364 U22B
C362 C363 C365 C366
15UF-6.3V ADC1061 15UF-6.3V ADC1061
100NF 100NF 100NF 100NF
3 2
Interpolators,
1
AD [1..10]
U20A
20 AD1
DB0
AD2
19
DB1
AD3
8 18
VIN DB2
AD4
17
DB3
9 16 AD5
VREF+ DB4
AD6
7 15
VREF- DB5
AD7
14
DB6
AD8
4 13
RD DB7
3 12 AD9
S/H DB8
AD10
5 11
CS DB9
R0
2
INT
ADC1061
U21A
AD1
20
DB0
19 AD2
DB1
8 18 AD3
VIN DB2
AD4
17
DB3
AD5
9 16
VREF+ DB4
7 15 AD6
VREF- DB5
14 AD7
DB6
AD8
4 13
RD DB7
AD9
3 12
S/H DB8
5 11 AD10
CS DB9
R1
2
INT
ADC1061
U22A
20 AD1
DB0
AD2
19
DB1
AD3
8 18
VIN DB2
17 AD4
DB3
9 16 AD5
VREF+ DB4
AD6
7 15
VREF- DB5
AD7
14
DB6
AD8
4 13
RD DB7
3 12 AD9
S/H DB8
5 11 AD10
CS DB9
+12VINT
R2
2
INT
ADC1061
U18B U19B
C369
OPA277 100NF OPA277
-12VINT
+5VINT
U132B C531 U133B
U23A
ADG719 10n ADG719
AD1
20
DB0
AD2
19
DB1
8 18 AD3
VIN DB2
17 AD4
DB3
AD5
9 16
VREF+ DB4
AD6
7 15
VREF- DB5
14 AD7
DB6
4 13 AD8
RD DB7
AD9
3 12
S/H DB8
AD10
5 11
CS DB9
U134B C533 U135B
2 R3
INT ADG719 10n ADG719
ADC1061
TRALED 2
TRBLED 2
GATELED 2
+5VAD
C367 U23B
C368
15UF-6.3V ADC1061
100NF
1
PCB 1, sheet 3(7)
D
C
C370
100NF
B
C532
10n
C534
10n
A
Schematic Diagrams 9-35