Fluke PM6690 Service Manual page 179

5
C496
2.5-10PF/250V
C99
R610
1.2M
3.9pF-500V
R135 C106
9 REAR PANEL INPUT A
10
2.5-10PF/250V
J8
D K2A
R140 R141 R142
2
3
4
47 470K 120K
BNC-COAX UD2
R148
K1A C6 680K
UD2
1.5PF-500V
R155
47K
R273
C24
120K
R162 R163 R164 R165 R166
10PF-500V
120 120 120 120 150
C23
R175 R176 R177 R178 R179
3.9PF-500V
120 120 120 120 150
L1 R187
6NH 27
PCB-Pattern
TRG_LVL_A
1 TRG_LVL_A
FILTER_A
5 FILTER_A
5 COM A
5 AC/DC A
5 ATT A
C
5 IMP A
+ +
K1C C227
D30 D31
UD2 10N
BAV99 - BAV99 -
C497
2.5-10PF/250V
C131
R611
1.2M
3.9pF-500V
R206 C137
9 REAR PANEL INPUT B
10
2.5-10PF/250V
J10
K6A
R214
R212 R213 2
3
4
47 470K 120K
BNC-COAX UD2
R220
K5A C8 680K
UD2
1.5PF-500V
B R228
47K
R258
C25
R234 R235 R236 R237 R238 120K
10PF-500V
120 120 120 120 150
C21
R247 R248 R249 R250 R251
3.9PF-500V
120 120 120 120 150
L2 R259
6NH 27
PCB-Pattern
TRG_LVL_B
1 TRG_LVL_B
FILTER_B
5 FILTER_B
5 COM B
5 AC/DC B
5 ATT B
5 IMP B
+ +
D34 D35
K5C C239
BAV99 BAV99
UD2 10N
- -
A
5 +12VI +12VI
5 +5VAI +5VAI
5 +5VBI +5VBI
5 -5.2VAI -5.2VAI
5 -5.2VBI -5.2VBI
C35
10n
5
4
R133
-5.2VAI
470
C102
100NF
D10 D11 D12
BAV99 BAV99 BAV99
R138 D14 D15
BAT18 BAT18
0
K2B
7
K3A
R143 R144 6 2
5 3
4
UD2
680K 220K
UD2
C110
22NF-200V
C7 C111
C112
R154
Not Used
1.5pF-500V 3-10PF
100K C114
R156
R159
R158 470K 27pF
100K
1M
C115
U1A
3.9pF-100V
2 -
R174 3
C117 +
C116
12K
3.9pF-100V
3-10PF
LMC6081A
R182
470K
R188 R189
C234
470K 470K
Not Used
R192
0
+ +
K2C C228 K3C C229 K4C C230
D33 D32 R196
UD2 10N UD2 10N UD2 10N
BAV99 - BAV99 - 100K
R200
-5.2VBI
470
C132
100NF
D17 D18 D19
BAV99 BAV99 BAV99
R209 D21 D22
BAT18 BAT18
0
K6B
7
K7A
R215 R216 6 2
5 3
4
UD2
680K 220K
UD2
C141
22NF-200V
C9 C143
C144
R226
Not Used
1.5pF-500V 3-10PF
100K C146
R229
R232
R231 470K
1M 100K
C147
U2A
3.9pF-100V
2
-
R246
C149 3 +
C148
12K
3-10PF 3.9pF-100V
LMC6081A
R254
470K
R260 R261
C260
470K 470K
Not Used
R266
0
R268
100K
+ +
D36 D37
K6C C240 K7C C241 K8C C242
BAV99 BAV99
UD2 10N UD2 10N UD2 10N
- -
+5VAI +5VBI
U1B C165 U2B C166
LMC6081A 100NF LMC6081A 100NF
-5.2VAI -5.2VBI
4
3 2
R134
+5VAI
470
C103
100NF
+12VI +5VAI
D13
BAV99
R136 R137
100 100
C107
100NF
C108
C97
10n
C109 R145 100NF
Q1
BF513
100
47P
R149 R150 R151
10M Q3
BFR92A
47 47
R157
R160 R167
47 47
47
R171 R172
6 Q6
BFR92A
4.7K 47
C120
R183 R184 R185
100NF
10K 220 1K
-5.2VAI
C122
22NF-200V
C124
R191
C20 -5.2VAI
10N
27PF
+12VI
1M
R193 R194
FILTER_A Q8
BFR92A
27
330
R195
C128
10K
100NF
R201 +12VI +5VBI
+5VBI
470
C133
R202
100NF
D20 100
BAV99
C138 C139
R208
100NF 100NF
100
C98
10n
C140 R217
Q9
BF513
47P 100
R221 R222 R223
10M Q11
BFR92A
47 47
R230
27pF R227 R239
47 47
47
R243
R244
6 Q14
BFR92A
4.7K 47
C152
R255 R256 R257
100NF
1K
10K 220
-5.2VBI
C154
22NF-200V
C157
R262
C22 -5.2VBI
10N
27PF +12VI
1M
R263 R264
FILTER_B Q16
BFR92A
27
330
R267
C160
10K
100NF
L54
+5VAI +5VBI
BLM21A102S
C161
C163 U3C
2.2UF-6.3V
U50C C19 10N ADCMP565
TLE2022C 10N
-5.2VAI
3 2
Input Amplifiers,
1
R132
TRG_LVL_A
100
+5VAI
C100 C101
10N 100NF
C104
C105
2.2UF-6.3V
10N
NOT USED MINICOAX-3-5
R139
1K J7A
R146
Q2
BFR93A
47 R147
330
Q4 U3A
BFT92 R153
5
LE
3.3
7
LE
K4B
7 10 2
+ OUT
6 9 3
- OUT
5
R161 ADCMP565
UD2
Q5 3.3
BFR92A R168
82 R169
R173 68
K4A
Q7 2
BFT93 3
C118
47
4
39pF
R180
UD2 C119
1K
100NF
LE
C123 X37 X35
C125 C135
2.2UF-6.3V
10N 10n
R613
1K
C129 C130
LE
100NF 100NF
X34 X36
R612
1K
U50A
R207 3
C126 C127
1
100NF 100NF
2
100
C503
TLE2022C
10N
+5VBI
R197
C134
U50B
R210 5
7
2.2UF-6.3V
6
100
C136
10N C504 TLE2022C
10N
R211
1K
R218
UD2
Q10
5
BFR93A 6
47 7
K8B
Q12 U3B
BFT92 R225
17
LE
3.3 15
LE
UD2
4 12 20
+ OUT
3 13 19
- OUT
2
R233 ADCMP565
K8A
Q13 3.3
BFR92A R219 R240
330 82 R241
68
R245
Q15
BFT93 NOT USED MINICOAX-3-5
47
R252
J9A
C150
1K
39pF C151
100NF
C155
C156 C167
2.2UF-6.3V
10N 10n
R265
TRG_LVL_B
100
C158 C159
10N 100NF
C162
C164
2.2UF-6.3V
10N
L55
-5.2VAI
BLM21A102S
1
PCB 1, sheet 2(7)
D
A 6
AN 6
R170
68
R181
150
-5.2VAI
R190
1K
C
R198
15K
R199
47K
R203
1.5K
R224
1K
2K
R205
180K
-5.2VAI
B
B 6
BN 6
R242
68
R253
150
-5.2VBI
A
Schematic Diagrams 9-33