SPHINX
Project Eight Service Manual
20
Figure 9: Functional Schematic
L+24V
L-24V
L+38V
L-38V
LEFT CHANNEL PP REG.
P08LPR.SCH
L+24V
L-24V
L+38V
L-38V
R+24V
R-24V
R+38V
R-38V
RIGHT CHANNEL PP REG.
P08RPR.SCH
R+24V
R-24V
R+38V
R-38V
+R-IN
-R-IN
-L-IN
+L-IN
+L-OUT
-L-OUT
+R-OUT
-R-OUT
D[1..16]
CINCH
INPUT/OUTPUT SELECTION LOGIC
P08IO.SCH
+R-IN
-R-IN
-L-IN
+L-IN
+L-OUT
-L-OUT
+R-OUT
-R-OUT
D[1..16]
CINCH
-LV-OUT
+LV-OUT
-LV-IN
+LV-IN
D[1..16]
L. VOL. CONTROL
P08LVC.SCH
-LV-OUT
+LV-OUT
-LV-IN
+LV-IN
D[1..16]
-RV-OUT
+RV-OUT
-RV-IN
+RV-IN
D[1..16]
R. VOL. CONTROL
P08RVC.SCH
-RV-OUT
+RV-OUT
-RV-IN
+RV-IN
D[1..16]
L-24V
L+24V
-LV-OUT
+LV-OUT
-L-OUT
+L-OUT
LEFT DIFF. LINE-AMP
P08LOA.SCH
L-24V
L+24V
-LV-OUT
+LV-OUT
-L-OUT
+L-OUT
R-24V
R+24V
-RV-OUT
+RV-OUT
-R-OUT
+R-OUT
RIGHT DIFF. LINE-AMP
P08ROA.SCH
R-24V
R+24V
-RV-OUT
+RV-OUT
-R-OUT
+R-OUT
L+24V
L-24V
-LV-IN
+LV-IN
+L-IN
-L-IN
CINCH
LEFT DIFF. LINE-AMP
P08LIA.SCH
L+24V
L-24V
-LV-IN
+LV-IN
+L-IN
-L-IN
CINCH
-RV-IN
+RV-IN
-R-IN
+R-IN
R+24V
R-24V
CINCH
RIGHT DIFF. LINE-AMP
P08RIA.SCH
-RV-IN
+RV-IN
-R-IN
+R-IN
R+24V
R-24V
CINCH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
U1
D[1..16]
+24V
+9V
AGND
AGND
AGND
AGND
DGND
SP13
SP15
SP11
SP9
SP10
SP12
SP14
SP16
SP5
SP6
SP7
SP8
SP1
SP2
SP3
SP4
CN1
AGND
6x0.3 Siltech Silver
6x0.3 Siltech Silver
Project Eight Functional Schematic
