Panasonic SB-WA920PP Service Manual page 38

SCHEMATIC DIAGRAM-4
H603A
/W603
JK601
Rch
1 1 1
GND
2 2 2
Lch
3 3 3
GND
4 4 4
H603B
C615
/W603
0.047
R631
10
SPEAKER
INTERFACE
CIRCUIT
R615
47K
R616
4.7K
R617
8.2K
R618
47K
AMPILIFIER CIRCUIT
22 21 20 19 18 17
C612
R619
1000P
C607 18P
R620
C608 18P
C611
1000P
C610 0.01
C609 0.01
R626
R621
27K
R622
10K
R625
C616
0.047
R632
10
Q601
B1BACG000009
VOLTAGE REGULATOR
C613
Q603
0.01
2SD1859QRTV2
VOLTAGE REGULATOR
D605
B0BA01200008
D606
B0BA01200008
D607
B0BA02300017
C614
0.01
Q602
B1BCCG000021
R634
VOLTAGE REGULATOR
47K
D608,D610
R635
B0BA01400009
47K
: -B SIGNAL LINE
: +B SIGNAL LINE
IC601
16 15 14 13 12 11 10 9 8
56K
56K
15K
15K
R628 150K
R627
120K
C604
C603
100V3300
100V4700
R613 R611
2.7K 4.7
D602 B0FBAM000009
C606
R614
0.1
2.7K
R612
4.7
D608
D609
D609,D611
B0BA01900005
D610 D611
: MAIN SIGNAL LINE
RSN312H24-P
POWER HIC
4 2
7 6 5 3 1
C602
100V4700
C601
100V3300
D601 B0FBAM000009
C605
0.1
IC601
H602
/W602
FAN_DRV
1
L
2
INGND
3
TO
R
4 POWER
ACin
CIRCUIT
5
(CN602) ON
HMUTE
6
SCHEMATIC
DCDET
7
DIAGRAM-1
GND
8
H605
/W605
TO
1
POWER
2
CIRCUIT
3
(CN506) ON
SCHEMATIC
DIAGRAM-2
CN606
1
TO
2 SUB
3 WOOFER
H601
/W601
+VCCHI
1
2
3
+VCCLO
4
GND
5
TO
6
POWER
-VCCLO
7
CIRCUIT
(CN601) ON
8
SCHEMATIC
-VCCHI
9
DIAGRAM-2
10