+48V
100nK
C110
150KJ
R180
1.82KF-TF
R200
100pJ
C166
560RJ
R194
3.6KF
R198
330RJ
R214
+10.6V
1.0nK
C172
+10.6V
2.2nK
C164
1.0u50V
C108
1.82KF-TF
R228
1.0KF
R196
150pJ
C102
HS601T
L100
100pJ
C168
1.0KF
R202
47KJ
R182
100pJ
C170
0.0R
R234
1.37KD-TF
R192
V+
INGND
NO
COM
MAX4514
U110
1
2
3
4
5
+10.6V
1SS400
D106
1.0nK
C176
BC860BW
Q118
6.81KF-TF
R110
15u6V3
C158
BC860BW
Q122
6.81KF-TF
R108
1.0KF
R226
100pJ
C152
SSM-2210
Q120
3
2
1
150pJ
C104
10RK
R122
10MJ
R240
1.0KF
R238
1.0KF
R232
180KJ
R230
1SS400
D108
+10.6V
A
100pJ
C162
2.7K/1GHz
L112
100pJ
C182
+
-
v-
v+
NJM4580V
U112
3
2
1
8
4
+10.6V
1.37KD-TF
R190
10MJ**R236
100KJ
R178
A
1.0nK
C184
2.7K/1GHz
L108
100pJ
C160
18KF-TF
R184
+10.6V
SM03B
M100
2
10RK
R120
1.0u10V
C180
1.0nK
C178
V+
INGND
NO
COM
MAX4514
U108
1
2
3
4
5
+
-
v-
v+
NJM4580V
U112
5
6
7
8
4
+10.6V
+10.6V
1SS400
D104
47KF-TF
R186
47KF-TF
R188
TP104
4.7u16V
C124
1.3KD
R166
1.3KD
R168
5.6KJ
R162
2.7KJ
R164
+10.6V
1.0nK
C174
V+
INGND
NO
COM
MAX4514
U106
1
2
3
4
5
511RF
R204
270RF
R206
100RF
R208
68.1RF
R216
0.0R
R220
33.2RF
R222
G0
G2
G3
G1
G4
18RJ
R218
1.0u50V
C106
0.47u20V
C154
2.2nK
C144
1.0KF
R212
68.1RF
R210
0.0R
R224
1.0nK
C142
+10.6V
2.7K/1GHz
L104
2.7K/1GHz
L102
12V D110
1.0nK
C112
TP103
A0
+5V
-5V
A1
10nK
C148
2.7KJ
R172
10nK
C150
0.47u20V
C156
5.6KJ
R170
1.3KD
R176
1.3KD
R174
2.2nK
C146
1SS400
D102
4.7u16V
C128
100nK
C100
AF_VV
TP100
TP101
TP102
TP108
TP105
TP107
TP106
X1
11
74HC2G66
1
U104
12
7
X1
11
74HC2G66
U104
2
56
3
+
-
74HC2G66
1
U104
8
4
22RJ
R101
22RJ
R103
100pJ
C190
100pJ
C191
74HC4052
U100
2Y012Y2
2
2Z
3
2Y342Y1
5
E
6
VEE
7
GND
8
S19S0
10
1Y3
11
1Y0
12
1Z
13
1Y1141Y2
15
VCC
16
+10V
1SS400
D100
1.0MJ
R100
1.0MJ
R102
A0
/SENN_A0
1.0MJ
R118
1.0MJ
R114
A1
/SENN_A1
+5V
G1
/SENN_G0
1.0MJ
R126
1.0MJ
R130
1.0MJ
R128
1.0MJ
R124
/SENN_G1
G0
+10V +10.6V
1.0MJ
R137
1.0MJ
R136
/SENN_G3
/SENN_G2
1.0MJ
R138
1.0MJ
R135
G3
G2
G4
/SENN_G4
1.0MJ
R139
1.0MJ
R140
6.81KF-TF
R106
6.81KF-TF
R104
6.81KF-TF
R107
6.81KF-TF
R109
6.81KF-TF
R105
6.81KF-TF
R111
100KJ
R112
1.0u16V
C103
10RJ
R113
10RJ
R115
220KJ
R116
220KJ
R117
10u6.3V
C101
47KJ
R119
+5V
BC847S1Q100
BC847S2Q100
BC847S
Q102
1
BC847S
Q102
2
BC847S1Q104
BC847S2Q104
BC850BW
Q106
P1001P101
1
150pJ
C107
150pJ
C105
470RJ
R123
470RJ
R121
SSM-2210
Q120
6
7
8
-3.90 dBU
5.1 V
5.7 V
8.7 V
3,9 V
4.5 V
8.7 V
5.7 V
4,9V
5,7 V
n.m.
+
-
0 dBU
5.1 VDC
+0.4 dBU
5.1 VDC
PHASE ANGLE
Gain: /SEN_G0 /SEN_G1 /SEN_G2 /SEN_G3 /SEN_G4
+ 4.6 dB: H H H H H
+10.6 dB: L H H H H
+16.6 dB: L L H H H
+22.6 dB: L L L H H
+28.6 dB: L L L L H
+34.6 dB: L L L L L
Att :/SEN_A2 /SEN_A1 /SEN_A0
0 dB: L H H
-6 dB: L H L
-12 dB: L L H
-18 dB: L L L
Mute : H X X
080709kre0800
** = not mounted: R236
JST1
NF-Platine, Stromlaufplan, Teil 1
AF board, circuit diagram, part 1
S 090708
07/2009
SKP 2000 NF
Änderungen vorbehalten • Subject to alterations
Sennheiser electronic GmbH & Co. KG • 30900 Wedemark
Phone: +49 (5130) 600 0 • Fax: +49 (5130) 600 300 1/5
v+
v-
-
+
NJM4580V
2
U304
5
6
7
8
4
47KJ
R346
100pJ
C301
2.49KF
R306
BAS70-04W
D304
27.4KF*R352
3.3KF-TF
R312
BC847S
Q310
100nK
C360
1.0u10V
C334
TP304
33u6V3
C338
10uM
C324
1.0u10V
C332
7.15KF
R308
15KF
*
R354
100nK
C312
1.0nF
C352
1.0u10V
C354
1.0uJ
C326
HS601T
L302
GND
OUTIN
ON/OFF NC
NJU7241F50
U300
2
1
45
3
BC817W
Q302
4.7u10V
C320
22nJ
C318
470KJ
R348
0.47u10V
C306
TP300
BC847S
Q306
1.0u10V
C348
15KF
*
R360
1.0nK
C340
TP308
HS601T
L300
15u6V3
C328
100KJ
R336
4.7KJ
R342
AF_VV
10KJ
R324
0.47u10V
C314
470nK
C344
100pF
C356
+5.5V
1.0nF
C350
AF_LEV+
1.0MJ
R310
100KJ
R304
+5V
100nK
C302
+10.6V
10KJ
R330
+10.6V
1.0u10V
C342
61.9KF-TF
R300
+5.5V
33.2KF
*
R358
AF_OUT
33pJ
C310
BC847S
Q310
1.0nK
C316
634RF
R314
TP306
AF_LEV-
470KJ
R350
100nJ
C304
59KF-TF
R302
2.2KJ
R340
TP302
BC817W
Q300
470KJ
R316
10nK
C362
33pJ
C358
470nK
C346
BC847S
Q306
18.2KF
*
R356
18KJ
R344
+5V
3.8k
G
10k10k
Vref
GND
VCC
SA575DK
1
U302
7
4
8
5
6
9
20
10
3.8k
G
10k10k
Vref
SA575DK
1
U302
12
13
16
15
14
11
+
-
SA575DK
U302
2
19
18
17
+
-
SA575DK
1
U302
1
2
3
v+
v-
-
+
NJM4580V
U304
1
3
2
1
8
4
+5.5V
TS5A3154
U305
IN
D2
COM A1
EN
B1
GND
C1D1
NOC2
NCB2
VDD
A2
1.0KJ
R370
+5V
/SENN_A2
version R352 R354 R356 R358 R360
________________________________________________
:
skp2000-1 : 27.4KF 15KF 18.2KF 33.2KF 15KF
:
skp2000-j : 12.7KF 20KF 27.4KF 47.5KF 22.1KF
090709kre0800
A
E
BD
C
NF-Platine, Stromlaufplan, Teil 2A
AF board, circuit diagram, part 2A
SKP 2000 NF
07/2009 2/5