Fluke PM6690 Service Manual page 157

5
C496 C496
2.5-10PF/250V 2.5-10PF/250V
C99 C99
R610 R610
1.2M 1.2M
3.9pF-500V 3.9pF-500V
R135 R135 C106 C106
9 REAR PANEL INPUT A
2.5-10PF/250V 2.5-10PF/250V
10 10
J8 J8
D K2A K2A
R140 R140 R141 R141 R142 R142
2
3
4
47 47 470K 470K 120K 120K UD2 UD2
BNC-COAX BNC-COAX R148 R148
C6 C6
K1A K1A 680K 680K
UD2 UD2
1.5PF-500V 1.5PF-500V
R155 R155
47K 47K
R273 R273
C24 C24
R162 R162 R163 R163 R164 R164 R165 R165 R166 R166 120K 120K
10PF-500V 10PF-500V
120 120 120 120 120 120 120 120 150 150
C23 C23
R175 R175 R176 R176 R177 R177 R178 R178 R179 R179
3.9PF-500V 3.9PF-500V
120 120 120 120 120 120 120 120 150 150
L1 L1 R187 R187
6NH 6NH 27 27
PCB-Pattern 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
+ + + +
D30 D30 D31 D31
C231 C231 C232 C232
K1C K1C C227 C227
BAV99 BAV99 BAV99 BAV99
10N 10N 10N 10N UD2 UD2 10N 10N
- - - -
C497 C497
2.5-10PF/250V 2.5-10PF/250V
C131 C131
R611 R611
1.2M 1.2M
3.9pF-500V 3.9pF-500V
C137 C137
R206 R206
9 REAR PANEL INPUT B
2.5-10PF/250V 2.5-10PF/250V
10 10
J10 J10
R212 R212 R213 R213 R214 R214 K6A K6A
2
3
4
47 47 470K 470K 120K 120K UD2 UD2
BNC-COAX BNC-COAX R220 R220
C8 C8
K5A K5A 680K 680K
UD2 UD2
1.5PF-500V 1.5PF-500V
B R228 R228
47K 47K
R258 R258
C25 C25
R234 R234 R235 R235 R236 R236 R237 R237 R238 R238 120K 120K
10PF-500V 10PF-500V
120 120 120 120 120 120 120 120 150 150
C21 C21
R247 R247 R248 R248 R249 R249 R250 R250 R251 R251
3.9PF-500V 3.9PF-500V
120 120 120 120 120 120 120 120 150 150
L2 L2 R259 R259
6NH 6NH 27 27
PCB-Pattern 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
+ + + +
C238 C238 D34 D34 D35 D35
C235 C235 C236 C236 C237 C237 K5C K5C C239 C239
BAV99 BAV99 BAV99 BAV99
10N 10N 10N 10N 10N 10N 10N 10N UD2 UD2 10N 10N
- - - -
A
5 +12VI +12VI
5 +5VAI +5VAI
5 +5VBI +5VBI
C243 C243 C244 C244 C245 C245
10N 10N 10N 10N 10N 10N
C246 C246 C247 C247
10N 10N 10N 10N
5 -5.2VAI -5.2VAI
5 -5.2VBI -5.2VBI
5
4
R133 R133
-5.2VAI
C102 C102
470 470
100NF 100NF D10 D10 D11 D11 D12 D12
BAV99 BAV99 BAV99 BAV99 BAV99 BAV99
R138 R138
D14 D14 D15 D15
BAT18 BAT18 BAT18 BAT18
0 0
K2B K2B
7
R143 R143 R144 R144 K3A K3A
6 2
5 3
4
UD2 UD2
680K 680K 220K 220K UD2 UD2
C110 C110
C7 C7 C111 C111 22NF-200V 22NF-200V
R154 R154 C112 C112
Not Used Not Used
1.5pF-500V 1.5pF-500V 3-10PF 3-10PF
100K 100K
R156 R156
R159 R159
R158 R158 470K 470K
100K 100K
1M 1M
C115 C115 U1A U1A
3.9pF-100V 3.9pF-100V 2 - -
C116 C116 R174 R174 3
+ +
C117 C117 12K 12K
3-10PF 3-10PF
3.9pF-100V 3.9pF-100V LMC6081A LMC6081A
R182 R182
470K 470K
R188 R188 R189 R189
C234 C234
470K 470K 470K 470K
Not Used Not Used
R192 R192
0 0
+ + + +
D33 D33 D32 D32
K2C K2C C228 C228 K3C K3C C229 C229 K4C K4C C230 C230
BAV99 BAV99 BAV99 BAV99 R196 R196
UD2 UD2 10N 10N UD2 UD2 10N 10N UD2 UD2 10N 10N
- - - - 100K 100K
R200 R200
-5.2VBI
C132 C132
470 470
100NF 100NF D17 D17 D18 D18 D19 D19
BAV99 BAV99 BAV99 BAV99 BAV99 BAV99
R209 R209
D21 D21 D22 D22
BAT18 BAT18 BAT18 BAT18
0 0
K6B K6B
7
R215 R215 R216 R216 K7A K7A
6 2
5 3
4
UD2 UD2
680K 680K 220K 220K UD2 UD2
C141 C141
C9 C9 C143 C143 22NF-200V 22NF-200V
R226 R226 C144 C144
Not Used Not Used
1.5pF-500V 1.5pF-500V
3-10PF 3-10PF
100K 100K
R229 R229
R232 R232
R231 R231 470K 470K
1M 1M 100K 100K
C147 C147 U2A U2A
3.9pF-100V 3.9pF-100V 2
- -
C148 C148 R246 R246
3 + +
C149 C149 12K 12K
3-10PF 3-10PF
3.9pF-100V 3.9pF-100V LMC6081A LMC6081A
R254 R254
470K 470K
R260 R260 R261 R261
C260 C260
470K 470K 470K 470K
Not Used Not Used
R266 R266
0 0
+ + + +
D36 D36 D37 D37
K6C K6C C240 C240 K7C K7C C241 C241 K8C K8C C242 C242
BAV99 BAV99 BAV99 BAV99 R268 R268
UD2 UD2 10N 10N UD2 UD2 10N 10N UD2 UD2 10N 10N
- - - - 100K 100K
+5VAI +5VBI
U1B U1B C165 C165 U2B U2B C166 C166
LMC6081A LMC6081A 100NF 100NF LMC6081A LMC6081A 100NF 100NF
-5.2VAI -5.2VBI
4
3 2
R134 R134
+5VAI
C103 C103
470 470
100NF 100NF
+12VI +5VAI
D13 D13
BAV99 BAV99
R136 R136 R137 R137
100 100 100 100
C107 C107
100NF 100NF
C108 C108
C109 C109 R145 R145
100NF 100NF
Q1 Q1
BF513 BF513
47P 47P 100 100
R150 R150 R151 R151
R149 R149
Q3 Q3
10M 10M
BFR92A BFR92A
47 47 47 47
C114 C114
R157 R157
R167 R167
R160 R160
27pF 27pF
47 47
47 47
R171 R171 R172 R172 47 47
6 Q6 Q6
BFR92A BFR92A
4.7K 4.7K 47 47
C120 C120
R183 R183 R184 R184 R185 R185
220p 220p
10K 10K 220 220 1K 1K
C122 C122
22NF-200V 22NF-200V
+12VI
C124 C124 R191 R191
C20 C20 10N 10N -5.2VAI
27PF 27PF
1M 1M
R193 R193 R194 R194
FILTER_A Q8 Q8
BFR92A BFR92A
330 330 27 27
R195 R195
C2 C2 C128 C128
10K 10K
10N 10N 100NF 100NF
R201 R201
+12VI +5VBI
+5VBI
C133 C133
470 470
R202 R202
100NF 100NF
D20 D20 100 100
BAV99 BAV99
C138 C138 C139 C139
R208 R208
100NF 100NF 100NF 100NF
100 100
C140 C140 R217 R217
Q9 Q9
BF513 BF513
47P 47P 100 100
R222 R222 R223 R223
R221 R221
Q11 Q11
10M 10M
BFR92A BFR92A
47 47 47 47
C146 C146
R230 R230
R239 R239
R227 R227
27pF 27pF
47 47
47 47
R243 R243 R244 R244 47 47
6 Q14 Q14
BFR92A BFR92A
4.7K 4.7K 47 47
C152 C152
R255 R255 R256 R256 R257 R257
220p 220p
10K 10K 220 220 1K 1K
C154 C154
22NF-200V 22NF-200V
+12VI
C157 C157 R262 R262
C22 C22 -5.2VBI
10N 10N
27PF 27PF
R263 R263 R264 R264
1M 1M
FILTER_B Q16 Q16
BFR92A BFR92A
330 330 27 27
R267 R267
C3 C3 C160 C160
10K 10K
10N 10N 100NF 100NF
L54 L54
+5VAI +5VBI
BLM21A102S BLM21A102S
C161 C161
C163 C163 U3C U3C
2.2UF-6.3V 2.2UF-6.3V
U50C U50C C19 C19 10N 10N ADCMP565 ADCMP565
TLE2022C TLE2022C 10N 10N
-5.2VAI
3 2
Input Amplifiers,
1
R132 R132
TRG_LVL_A
100 100
+5VAI
C100 C100 C101 C101
10N 10N 100NF 100NF
C104 C104
C105 C105
2.2UF-6.3V 2.2UF-6.3V
10N 10N
NOT USED MINICOAX-3-5 NOT USED MINICOAX-3-5
R139 R139
1K 1K J7A J7A
R146 R146
Q2 Q2
BFR93A BFR93A
R147 R147
47 47
330 330
BFT92 BFT92
U3A U3A
Q4 Q4 R153 R153
5
LE
3.3 3.3
7
LE
K4B K4B
7 10 2
+ OUT
6 9 3
- OUT
5
R161 R161 ADCMP565 ADCMP565
UD2 UD2
Q5 Q5 3.3 3.3
82 82
BFR92A BFR92A
R168 R168 R169 R169
R173 R173
68 68
K4A K4A
BFT93 BFT93
2
Q7 Q7
3
C118 C118
4
47 47 39pF 39pF
R180 R180
UD2 UD2 C119 C119
1K 1K
100NF 100NF
LE
X37 X37 X35 X35
-5.2VAI
R613 R613
C123 C123
C125 C125
2.2UF-6.3V 2.2UF-6.3V
10N 10N
1K 1K
C129 C129 C130 C130
LE
100NF 100NF 100NF 100NF
X34 X34 X36 X36
R612 R612
1K 1K
U50A U50A
R207 R207
3
C126 C126 C127 C127
1
100NF 100NF 100NF 100NF
2
100 100
TLE2022C TLE2022C
C503 C503
+5VBI
10N 10N
R197 R197
C134 C134
U50B U50B
R210 R210
5
7
2.2UF-6.3V 2.2UF-6.3V
6
C136 C136 100 100
TLE2022C TLE2022C
10N 10N
C504 C504
10N 10N
R211 R211
1K 1K
R218 R218
UD2 UD2
Q10 Q10
5
BFR93A BFR93A
6
7
47 47
K8B K8B
BFT92 BFT92
U3B U3B
Q12 Q12 R225 R225
17
LE
3.3 3.3 15
LE
UD2 UD2
4 12 20
+ OUT
3 13 19
- OUT
2
R233 R233 ADCMP565 ADCMP565
K8A K8A
Q13 Q13 3.3 3.3
82 82
BFR92A BFR92A R219 R219
330 330 R240 R240 R241 R241
R245 R245
68 68
BFT93 BFT93
Q15 Q15
NOT USED MINICOAX-3-5 NOT USED MINICOAX-3-5
47 47
R252 R252
J9A J9A
C150 C150 C151 C151
1K 1K
39pF 39pF 100NF 100NF
-5.2VBI
C155 C155
C156 C156
2.2UF-6.3V 2.2UF-6.3V
10N 10N
R265 R265
TRG_LVL_B
100 100
C158 C158 C159 C159
10N 10N 100NF 100NF
C162 C162
C164 C164
2.2UF-6.3V 2.2UF-6.3V
10N 10N
L55 L55
-5.2VAI
BLM21A102S BLM21A102S
1
PCB 1, sheet 2(7)
D
A 6
AN 6
R170 R170
68 68
R181 R181
150 150
-5.2VAI
R190 R190
1K 1K
C
R198 R198
15K 15K
R199 R199
47K 47K
R203 R203
1.5K 1.5K
R224 R224
1K 1K
2K 2K
R205 R205
180K 180K
-5.2VAI
B
B 6
BN 6
R242 R242
68 68
R253 R253
150 150
-5.2VBI
A
Schematic Diagrams 9-11