Panasonic SB-WA920PP, Service Manual

Page: 38 / 42

H603A
/W603
Rch
GND
Lch
GND
C612
1000P
IC601
RSN312H24-P
POWER HIC
D604
B0JAPG000019
D603
B0JAPG000019
C611
1000P
JK601
H603B
/W603
SPEAKER
INTERFACE
CIRCUIT
1
2
3
4
6
8
7
5
1
2
3
4
R631
10
C615
0.047
R632
10
C616
0.047
H602
/W602
2
3
1
2
3
1
H605
/W605
CN606
1
2
3
4
1
2
3
4
SCHEMATIC DIAGRAM-4
AMPILIFIER CIRCUIT
: +B SIGNAL LINE
: MAIN SIGNAL LINE
: -B SIGNAL LINE
SPEAKER
IC601
IN GND -VD +VD RELA
Y
-Di SENS +Di SENS IH DET DISP HMUT GND AC IN -VCC LOW +VCC LOW -VCC HI +VCC HI R_OUT L_OUT OVER LOAD DCDET +Hin -Hin L_IN R_IN
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
H601
/W601
D609
D611
D608
D610
D605
B0BA01200008
D608,D610
B0BA01400009
Q601
B1BACG000009
VOLTAGE REGULATOR
C603
100V4700
C604
100V3300
R611
4.7
C601
100V3300
C602
100V4700
C605
0.1
C606
0.1
C613
0.01
C614
0.01
R614
2.7K
+VCCHI
+VCCLO
GND
-VCCLO
-VCCHI
Q603
2SD1859QRTV2
VOLTAGE REGULATOR
D606
B0BA01200008
D607
B0BA02300017
D609,D611
B0BA01900005
TO
POWER
CIRCUIT
(CN601) ON
SCHEMATIC
DIAGRAM-2
Q602
B1BCCG000021
VOLTAGE REGULATOR
R612
4.7
R634
47K
R635
47K
D601 B0FBAM000009
D602 B0FBAM000009
3
10
2
4
6
8
9
7
5
1
R619 56K
C607 18P
R620 56K
C608 18P
R633 820K
C619 0.01
R623 3.9K
R615
47K
R616
4.7K
R617
8.2K
R618
47K
C609 0.01
C610 0.01
R624 3.9K
R626 15K
R625 15K
FAN_DRV
L
INGND
R
ACin
HMUTE
DCDET
GND
R627
120K
R628 150K
R622
10K
R621
27K
TO
POWER
CIRCUIT
(CN602) ON
SCHEMATIC
DIAGRAM-1
TO
SUB
WOOFER
TO
POWER
CIRCUIT
(CN506) ON
SCHEMATIC
DIAGRAM-2
R613
2.7K