Panasonic SA-DK3 Service Manual page 160

SCHEMATIC DIAGRAM-22
To
CIRCUIT(W503) on
SCHEMATIC DIAGRAM-32
D701-704
RL1N4003N02
CN703
R702
RSFMB40KT-L 50
50
D707
R776
1SS355TE17
22K
D708
R777
1SS355TE17
22K
4.8V
(0V)
10K 0V
(4.1V)
10K
Q706
DTC114YKA146
SWITCHING
Q714
DTA114EKA146
POWER SUPPLY
1.4V 1.2V
(5.1V) (-3.7V)
0V
10K 4.4V
(1.9V)
47K
Q715
DTC114YKA146
POWER SUPPLY CONT.
R705
10K
C704
470P
R715 R715 C710 C706
1K 1K 16V22 47P
0V 0V
14 13
1 2
0V 0V
R716 C711 C707
1K 16V22 47P
R704 C722
100K 16V10
P
AC TRANSFORMER
1 2 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
CN301
A
L704
A B C
H
L705
H
D706
1SS355TE17
B
B
IC704
M5218AFPE3
A
BUFFER AMP
C742 R752
16V10 10K
B
-7.6V
4
5
C741 R751 R753
16V10 10K 22K
A
R757
18K
C701
16V10
C726 R732
470P 10K
C709 C728 C730
0.1 47P 16V22
-7.6V 0V 0V
12 11 10 9 8
Vss
IC705
M5228FPE1
BTL DRIVE
Vcc
3 4 5 6 7
7.7V 0V 0V
C708 C727 C729
0.1 47P 16V22
R731
10K
B
To DVD MODULE(1) CIRCUIT(FP4201)
on SCHEMATIC DIAGRAM-11
20 21 22 23 24 25
D E F A B C
B
A
C
R758
18K
R754 C746 R762 C750
22K 47P 1K 16V22
Q718
IMX9T110
0V 0V
SWITCHING
3 2 1
0V
R760
1K
0.6V
(-3.7V)
6 7 8
R759
0V 0V 7.7V
1K
C745 R761 C749
47P 1K 16V22
E
C702
10V10
F
R742
1K
Q717
IMX9T110
SWITCHING
0V
R740
0.6V
1K
(-3.7V)
R713
1K
R741
1K
Q716
IMX9T110
C721
SWITCHING
16V10
0V
C
R739
0.6V
1K
(-3.7V)
D
R714
1K
-7.6V
7.7V
9.1V
7.7V
14.9V
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:AUDIO/ FRONT MID SP. DRIVE SIGNAL LINE
:SUB WOOFER SIGNAL LINE
:SURROUND/
FRONT HIGH SP. DRIVE SIGNAL LINE
:CENTER SP. DRIVE SIGNAL LINE
26
D E F G
IC706
R789 M5218AFPE3 R793
10K 4.7K
BUFFER AMP
R788 15K
C785 C777
0.01 47P
R787 15K
-7.6V 0V
4 3 2
R792 15K
R791 15K
R795 56K
5 6 7
0V 0V 0V
R796 56K
C778
47P
R797 15K
R794 C772
4.7K 16V10
C756
16V22
0V
0.6V
(-3.7V) C755
16V22
0V
C734 R222
16V22 8.2K
0V
A B C
0.6V
(-3.7V) C714
16V22
0V
C733 R217
16V22 5.6K
0.6V
(-3.7V) C715 R218
16V22 5.6K
0V
C771
16V10
A
0V
1
8
7.7V
B
C
D
E
F
G
H