Onkyo TX-SA705 Service Manual page 12

A
SCHEMATIC DIAGRAMS-3 (SD-3)
POWER AMP SECTION-2
1
2
3
4
5
B
NAAF-8917
U22 DRIVER AMPLIFIER
PC BOARD
Center ch
R5000
1K
Front L ch
R5001
1K
Front R ch
R5002
1K
TO NAAF-9142(1/2)
SD-1:G4
P5503A P5504A
10
+53.8V
+52.3V
R5030
C5010
R5020
+
330
47/50 -0.65V 0.0V R5230
120K
-48.2V
-52.9V
(1/4W)
-53.8V
R5190
10
+53.8V R5181
+52.3V
R5031
120K
C5011
R5021
+
47/50 330 -0.65V 0.0V R5231
120K
-48.2V
-52.9V
(1/4W)
-53.8V
R5191
10
+53.8V R5182
+52.3V
R5032
C5012 R5022
+
47/50 330 R5232
-0.65V 0.0V
120K
-48.2V
-52.9V
-53.8V
TX-SR705/SA705
C
P6011B COPPER BUS PLATE
(1/4W)
R5180
+1.1V
120K
NF 5
-B1 4
+B1 3
+B 2
-B 1
-1.1V
10
(1/4W)
+1.1V
NF 5
-B1 4
+B1 3
+B 2
-B 1
-1.1V
10
(1/4W)
+1.1V
120K
NF 5
-B1 4
+B1 3
+B 2
-B 1
-1.1V
(1/4W)
10
R5192
D
P5019