I) Power Amp Circuit - Panasonic SA-VK81DGCS Service Manual

21.7. (I) Power Amp Circuit

SCHEMATIC DIAGRAM - 26
POWER AMP CIRCUIT
H5802/
W5802
FR_L
1
FR_R
2
SUB_W
3
IN_GND
4
AGND_OUT
5
TO
-VD
6
POWER
+VD
7
SUPPLY
AC_IN
CIRCUIT 8
P_GND
(CN5811) ON
9
SCHEMATIC
10
DIAGRAM - 25 -VccH
11
-VccL
12
13
+VccL
14
+VccH
15
TO
W5808
POWER SUPPLY
2
CIRCUIT
1
(CN5802) ON
SCHEMATIC
DIAGRAM - 25
H5803/
W5803
: +B SIGNAL LINE
: -B SIGNAL LINE
22 21 20 19 18 17 16 15
C5200
820P
R5202 56K
C5100
C5201 15P
820P
R5102 56K
C5101 15P
R5100
15K
R5200
15K
1 2 3 4 5 6 7 8
TO
POWER CIRCUIT
(CN5807) ON
SCHEMATIC
DIAGRAM - 28
: MAIN SIGNAL LINE
IC5803
RSN312H24-P
POWER AMP
14 13 12 11 10 9 8 7
C5828
0.01
R5888
680
C5829 C5830 C5835 C5836
35V4700 35V3300 35V3300 35V4700
105
SA-VK81DGCS / SA-VK81DGCP
6 5 4 3 2 1