Power Circuit - Panasonic SA-AK200 Schematic Diagram

SCHEMATIC DIAGRAM - 12

POWER CIRCUIT

IC500
RSN314H41A-P
HIC
C500
C515
820P
0.01
C501
820P
C502
820P
C503
820P
1
T GND
2
+15V
3
HL_IN
4
HR_IN
TO
5
MAIN
A GND
CIRCUIT
6
LL_IN
(CN300) ON
7
SCHEMATIC
LR_IN
DIAGRAM- 6
8
CENTER
9
S WOOFER
10
DC DET
11
MUTE H
12
CN500
Q506
B1AAKD000009
5V VOLTAGE
REGULATOR
C538
16V10
1
P GND
2
D GND
3
+9V
4
-9V
TO
5
MAIN
MP GND
CIRCUIT
6
/CD
D511
(CN301) ON
7
SCHEMATIC
8V
RL1N4003N02
DIAGRAM- 6
8
CD 3.3V
9
SW 5V
10
FAN
11
LED 9V
D510
12
RL1N4003N02
MO 10V
CN501
Q508
KTA12710YTA
CURRENT CONTROL
SWITCH
Q509
KTC3199GRTA
VOLTAGE STABILISER
CD3.3V
: -B SIGNAL LINE
: +B SIGNAL LINE
IC500
14 13 12 11 10 9 8
R508
68K
C504
15P
R509
68K
C505
15P
R510
68K
C506
15P
R511
68K
C507
15P
<0.74V>
Q512
((0.74V))
<0.1V>
<0V>
((0.1V))
((0V))
<4.85V>
((4.86V))
<8.38V>
((8.37V))
R549
12 C540
16V10
R550
R579
R580
15
47K
47K
D513 D509
RL1N4003N02 RL1N4003N02
Q503
KTA1046
Q501
CURRENT STABILISER
KTA1046
SWITCH
VOLTAGE SUPPLY SWITCH
Q505
KTC3199GRTA KRA110MTA
CD ON/OFF SUPPLY SWITCH
10V VOLTAGE REGULATOR
: MAIN SIGNAL LINE
7 6 5 4 3 2 1
Q512
B1AAGC000007
HEADPHONE MUTING SWITCH
R584
10K
R532
22K
R543
2.2
<13.7V>
((13.79V))
Q500
Q506
<5.5V>
R545
C519
((5.5V))
2.2K
0.01
R546
150
KTA1267GRTA
CURRENT CONTROL SWITCH
<4.85V>
<0V> ((4.86V))
((4.8V))
Q507
<5.88V>
Q508
((4.03V))
<8.39V>
<0.18V>
C524
((7.24V))
((3.13V)) R556
0.01
<8.39V> 10K
((6.6V))
((-8.45V))
<8.33V>
R553
((6.57V))
<0V>
100
((3.02V))
Q509
Q503
R554
<0V>
2.2K
((2.42V))
R557 C525 R555
330 3.9K
10V33
D504
B0AACK000004
Q507
R517 R519
180K 100K
R518
R516
68K 390K
R566 R565 R564
330 330 330
C547
R533
1000P
100K
R531
12K
Q500
Q510-Q511
KTC2026 KTC3199GRTA
15V VOLTAGE DC DETECT SWITCH
REGULATOR
<36V>((36.1V))
R541 R540 R539 R538
2.7 2.7 2.7 2.7
<14.29V>
((14.41V))
Q510
C517 R542
0.01 3.3K <5.1V>
((5.11V)) <0.07V>
((0.07V))
R586
Q511
470
<0V>
((0V))
Q513
<8.74V> <13.78V>
((8.83V)) ((13.87V))
Q502
R581
R582 <-9.01V>
<9.4V>
2.7K
560 ((-9.05V))
((9.49V))
Q513
<-0.63V>
<0V>
R583
((-0.2V)) ((0V))
2.7K
<-9V>
((-9.04V))
C522 R552
3.3K
0.01
Q501
<-8.4V> <-38.3V> R548
((-38.3V))
R558
<9.98V> <17.13V>
R559
((9.94V)) ((16.82V))
R560
R562
C526
<16.47V>
10K
0.01
((16.17V))
<16.41V>
<9.81V>
((16.14V))
((9.81V))
Q505
R561
<9.21V>
1.2K
((9.2V))
10V VOLTAGE REGULATOR
R563 C527
330 25V33
CURRENT LIMITING SWITCH
(SHORT CIRCUIT PROTECTION)
TO
1
SPEAKER
HL_OUT
TERMINAL
2
HI_L GND
CIRCUIT
3
(H501B
HR_OUT
/W501B ) ON
4
HI_R GND
SCHEMATIC
5
DIAGRAM-1 3
H501A
TO
1
SPEAKER
LL_OUT
TERMINAL
2
LO_L GND
CIRCUIT
3
(H502B
LR_OUT
/W502B ) ON
4
LO_R GND
SCHEMATIC
5
DIAGRAM-1 3
H502A
E500
1
AC GND
TO
2
AC GND
SPEAKER
3
TERMINAL
-VCC
CIRCUIT
4
+VCC
(CN953) ON
5
SCHEMATIC
AC IN
DIAGRAM-1 3
6
SUB+B
7
SUB+B GND
H500/
W500
R537
2.7
<5.11V>
((5.1V))
<0V>
((0V))
C516
0.18
C528
50V2200P
C529
50V2200P
15
R547
27
2.2
2.2
2.2
Q504
Q502
KTC2026
Q504
KRA110MTA