Panasonic SA-DK3 Service Manual page 169

SCHEMATIC DIAGRAM-31
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
IC502
RSN35H1
POWER AMP(CENTER)
14 13 12 11 10
0V
R545 C529 C530
5.6K 1000P 1000P
R547
5.6K
C533 R550
15P 56K
R549
56K
30.8V
-31.2V
16.1V
0V
Q504
KTC3199GRTA
RELAY DRIVE
63.5V
-63.8V
IC503
STK470-050
REGULATOR
1 2 3 4 5
15.8V 8.8V 9.1V 7.7V 7.8V
:AUDIO/ FRONT MID SP. DRIVE SIGNAL LINE
:SUB WOOFER/FRONT LOW SP DRIVE SIGNAL LINE
-B MUTE AC LATCH
9 8 7 6 5 4
0V -15.3V -4.2V 0V -14.7V 0V
R551
330K
C534
100V10
C532
15P
R548
56K
C520
0.1
STB
6 7 8 9 10 11 12
0.3V -29.1V -7.9V -7.6V 7.7V 14.9V
C575 R578
0.01 1.5K
-7.6V
R579
3.3K
R585
1.2K
R570
39
E A
RLY504
8
3 2 1
-31.2V 30.8V 0V
1
RLY505
63.5V
30.8V
-31.2V
C569 C568 C567
4700 5600 5600
CP505
12 11 10 9 8 7 6 5 4 3 2 1
12 11 10 9 8 7 6 5 4 3 2 1
CN505
R572
15K
13 14
15.6V 30.3V
C572 R569
1000P RSFMB05KT-L
D567
D570,589
D568
1D3E
D565-568
1N5402BM21
-29.1V
15.8V
:SURROUND/ FRONT HIGH SP DRIVE SIGNAL LINE
:CENTER SP. DRIVE SIGNAL LINE
B F A B
JK501
HIGH
2 3 4
MID
7 6 5
LOW
6 4 3
JK502
5 1 2
HIGH
MID
LOW
JK503
Lch
SURROUND
SPEAKERS(8 )
Rch
CENTER
SPEAKERS
C566
(8 )
4700
C565
0.01
E500
R571
47K
D561
D562
D569,588
1D3E
D561-564
1N5402BM21
RLY501 C571
0.1
3 1
H502
4 2
5 6
D571
RVD1SS133TA
Lch
SPEAKERS
(6 )
Rch
1
2
3
4
5
6
7
8
9
10
11
12