Amplifier Circuit - Panasonic SB-WA935EE Service Manual

10.3. Amplifier Circuit

SCHEMATIC DIAGRAM-4
AMPILIFIER CIRCUIT
C612
1000P
R625
115K
Q601
B1BACG000048
VOLTAGE REGULATOR
R615
47K
Q603
B1BAAJ000003
R616
VOLTAGE REGULATOR
4.7K
R617
8.2K
R618
47K
Q602
B1BCCG000023
VOLTAGE REGULATOR
: -B SIGNAL LINE
: +B SIGNAL LINE
22 21 20 19 18 17 16 15 14 13 12
R619 56K
C607 18P
R620 56K
C608 18P
C611
1000P
C610 0.01
C609 0.01
R626
10K
R622 10K
R628
R621 27K R627
C604
100V3300
C613 R613
0.01 2.7K
D605
B0BA01200008
D606
B0BA01200008
D607
B0BA02300017
C614
R614
0.01
2.7K
Q602 R612
4.7
R634
D608
D609
47K
D608,D610
R635
B0BA01400009
47K
D610
D611
: MAIN SIGNAL LINE
IC601
11 10 9 8 7 6 5 4 3 2 1
R633
820K
C619
0.047
150K
120K
C621
0.1
C602
C603
100V4700
100V4700
C601
100V3300
R611
4.7
D601 B0FBAM000009
4 3 2
C605
0.1
D602 B0FBAM000009
4 3 2 1
C606
0.1
D609,D611
B0BA01900005
21
IC601
RSN312H24A-P
POWER HIC
CN604
L601 1
2
R629
L601,L602 3
10
G0AR76Y00001
4
L602
H603
R630
/W603
C615
10
0.047
8
7
R631 10
6
C617 0.047
5
C616
4
0.047
R632 10
3
2
C618 0.047
1
C620
H602
0.1
/W602
FAN_DRV
1
FL
2
INGND
3
FR
4
AC IN
5
HMUTE
6
DCDET
7
GND
8
H601
/W601
1
+VCCHI
1
2
3
+VCCLO
4
GND
5
6
-VCCLO
7
8
-VCCHI
9
10
SB-WA935EE
TO
SUBWOOFER
SPEAKER UNIT
TO
POWER CIRCUIT
(CN603) ON
SCHEMATIC
DIAGRAM-2
TO
POWER CIRCUIT
(CN602) ON
SCHEMATIC
DIAGRAM-1
TO
POWER
CIRCUIT
(CN601) ON
SCHEMATIC
DIAGRAM-2