SPHINX Project Eight - Figure 18: Right Input Amp

SPHINX Project Eight Service Manual
29
Figure 18: Right Input Amp
4
3
2
1
5
6
7
8
12 11 10
9
17 18 19 20
14
15
16
13
+V
-V
OUT
NFB
U24
DISAMPMODULE
4
3
2
1
5
6
7
8
12 11 10
9
17 18 19 20
14
15
16
13
+V
-V
OUT
NFB
U25
DISAMPMODULE
AGND
+ C121
C63V/2200U
+ C118
C63V/2200U
+ C117
C63V/2200U
+ C114
C63V/2200U
AGND
AGND
AGND
AGND
R154
1R00
R155
1R00
R156
1R00
R157
1R00
R+24V
R-24V
R+24V
R-24V
+RV-IN
-RV-IN
R164
20K0 .1%
R162
10K0 .1%
R163
10K0 .1%
R168
50K0
R169
50K0\
C124
220p
C125
220p
AGND
AGND
R172
1K00
R173
1K00
-R-IN
+R-IN
R165
20K0 .1%
+
RL60
REL16
+24VCINCH
AGND
C115
47N/PP
C116
47N/PP
C119
47N/PP
C120
47N/PP
37..40mA
37..40mA
37..40mA
37..40mA