Panasonic SBWA-920 Service manual
POWER CONTROL
CIRCUIT
IC501
RSN311W64B-P
-
+
-
+
-
+
-
+
POWER CONTROL/PROTECTION CIRCUIT
POWER HIC
TO MAIN
BLOCK
(JK2000) OF
SA-HT920P/PC-S
A
SL(R)
C
FRONTL(R)
DC_DET
SW
HP_CNT
SUBAC1
SUBAC2
FL1
FL2
PCONT
SYNC
(25)
FLIN(R)
26
CIN
SUBIN
22 23 18
B
FILTER
FILTER
FILTER
FILTER
D508
FL_O(R)
1
(2)
Q513,
Q514
DC DET
SWITCH
Q503
SWITCH
Q517
VOLTAGE
REGULATOR
C_O
8 511(12) 24
Q501,
Q502
SL_O(R)
B
SWITCH
B
Q552~Q557
FAN
MOTOR
DRIVE
M
Q511
VOLTAGE
REGULATOR
B
RLY501
B
B
SWITCH
Q516
SYNC
Q512
VOLTAGE
B
REGULATOR
D528
Q602
VOLTAGE
REGULATOR
Q601
VOLTAGE
REGULATOR
Q603
VOLTAGE
REGULATOR
T502
SUB_O
Q506
INTERFACE
SWITCH
Q505
SWITCHING
SUB
TRANSFORMER
IN GND
B
SLIN(R)
(19)
+VCC HI
+VD
B B
Q520
SWITCH
Q515,Q519
DCDET
SWITCH
+VCC LOW
D501
+DI SENS
2015 3 6 91314 7421
IC502
C0AABB000055
DUAL
LOW-NOISE
OP AMP
INTERFACE
DISP HMUT
B
B
Z501
AC IN
IH DET
D601
D597
D598,D599
F1
-VCC LOW
D502
-VD
B B
-VCC HI
-DI SENS
16
L500
E500
JK501
SURROUND
SPEAKER
JK501
CENTRE
SPEAKER
SUBWOOFER
JK601
FRONT
SPEAKER
T501
POWER TRANSFORMER
JK500
AC INLET
BB
20
(21)
11
FLIN(R)
DISP HMUT
IH DET
12
IC601
RSN312H24-P
POWER HIC
19
18
2
-VD
-VCC HI
6
(3)
1
+VD
+VCC HI
FLIN(R)
7
+VCC LOW
AC IN
+DI SENS
-VCC LOW
-DI SENS
D604
4
13
14
D603
5
D602
SIGNAL LINES
: MAIN SIGNAL LINE
( ) Indicates Pin No. of Right Channel Note : Signal Lines are applicable to the Left Channel only.
C0AABB000055
5
RSN311W64B-P
RSN312H24-P
KTC3199GRTA
B1GCCFJJ0015
KRC102MTA
8
1
B1BACG000009
B1BCCG000021
E
C
B
B0JAPG000019
B0EAKM000117
Ca
Cathode
A
Anode
B0BA01900005
4
1
..................
B1ACCF000063
2SD0592ARA
E
C
B
B0BA6R600008
B0BA5R100013
B0BA01200008
B0BA5R700008
B0BA02300017
B0BA01100004
B0BA01400009
B0AACK000004
1
26
MA2C700A0F
A
Anode
12
18
Ca
Cathode
2SD1859QRTV2
SLI325URCT31
Ca
B
C
E
B0FBAM000009
B0EAKM000122
Ca
Cathode
A
Anode
Cathode
Anode
Cathode
ACa
A
Anode
ABCDEFG
1
E
AMPLIFIER P.C.B. (REPX0435A)
H601
/W601
2
10
9
8
7
6
5
4
3
2
1
3
4
H602/W602
8 7 6 5 4 3 2 1
J615
R635
J625
PbF
R634
J616
J675
C606
D601
2 3 4
D604
D603
J665
J626
J676
J643
J695
J677
J627
J644
J618
R633
R625
C619
D608
D609
D602
1 2 3 4
D611
D610
1
J640
J655
C605
J642
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
IC601
R626
J617
C602
J619
C601
C609
C610
J696
J686
R619
J678
J690
J691
C607
R623
R624
J679
C608
R620
C611
C612
Q601
J687
J621
R613
J688
C613
J629
ECB
R615
J628
R611
R616
J689
J656
B
J698
C
B C E
Q603
E
Q602
D605
C603
R618
J620
D606
R617
CN606
1 2 3
R621
J630
R612
D607
C614
C604
R614
R622
J631
C615
J699
R628
R632
R627
R631
H605
/W605
H603A
/W603
C616
J700
3
2
1
4
3
2
1
5
F
SPEAKER INTERFACE
P.C.B. (REPX0435A)
6
H603B
/W603
4
3
2
1
PbF
JK601
4
2
SURROUND RIGHT
3
1
SPEAKER
SURROUND LEFT
SPEAKER
7
8
9
Loading...