Panasonic SA-AK500PC Service Manual page 195

SCHEMATIC DIAGRAM - 13
POWER CIRCUIT
IC500
RSN35H2-P
HIC
C510
0.01
R508
R509
68K
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- 7
8
CENTER
9
S WOOFER
10
DC DET
11
MUTE H
12
CN500
IC501
RSN35H2-P
HIC
Q512
2SD2144STA
HEADPHONE
MUTING SWITCH
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- 7
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
IC500
14 13 12 11 10 9
C502 C500 C501
C504
820P
470P 470P 100V10
68K
C503
820P
R510 R512
5.6K
5.6K
C505 C506
50V1 50V1
C539
25V100
Q512
<0.1V>
((0.1V))
IC501
14 13 12 11 10 9 8
C511
820P
C512 C513
R522
470P C514
470P
5.6K
820P
R525
C536
R523 R524
C515
5.6K
0.01
68K 68K
50V1
R507
R506
C531
5.6K 5.6K
50V1
<4.85V>
((4.86V))
<8.38V>
((8.37V))
R549
12
R550
R579
R580
15
47K
47K
D513 D509
RL1N4003N02 RL1N4003N02
Q503
KTA1046
CURRENT STABILISER
SWITCH
VOLTAGE SUPPLY SWITCH
Q505
KTC3199GRTA KRA110MTA
CD ON/OFF SUPPLY SWITCH
10V VOLTAGE REGULATOR
: -B SIGNAL LINE : MAIN SIGNAL LINE
8 7 5 3 2 1
6 4
R584
10K
C508
R514 15P
C509
R515
330K
15P
68K
C507
R521
100V10
68K
R501 R500
15K 15K
<0.74V>
((0.74V))
<0V>
((0V))
7 6 5 4 3 2 1
R526 R527
330K 68K
C533
C532 15P
100V10
Q506
<5.5V>
R545
C519
((5.5V))
2.2K
0.01 R546
150
D507
C540
16V10 MTZJ5R6BTA
CURRENT CONTROL SWITCH
<4.85V>
<0V> ((4.86V))
((4.8V))
<5.88V>
Q508
((4.03V))
<8.39V>
<0.18V>
C524
((7.24V))
((3.13V)) R556
0.01
<8.39V> 10K
((6.6V))
<8.33V>
R553
((6.57V))
<0V>
100
((3.02V))
Q509
R554
<0V>
2.2K
((2.42V))
R557 C525 R555
Q501
330 3.9K
10V33
KTA1046
RVD1SS133TA
Q507
R534
22K
R511 R535
220K 22K
R530
10K
R536
R529
10K
10K
C534
15P
R528
R517 R519
68K
120K 120K
R516 R518
R532
150K 180K
22K
R564
R566 R565
330 330 330
C547
R533
1000P
100K
R531
6.8K
Q500
Q510-Q511
R543
KTC2026 KTC3199GRTA
2.2
15V VOLTAGE DC DETECT SWITCH
REGULATOR
<13.7V>
((13.79V))
R541 R540 R539
<36V>((36.1V))
2.7 2.7 2.7
<14.29V>
Q500
((14.41V))
C517 R542
Q510
0.01 4.7 K <5.1V>
((5.11V))
R586
Q511
330
<0V>
((0V))
Q513
KTA1267GRTA
<8.74V>
((8.83V))
Q502
R581
R582 <-9.01V>
<9.4V>
2.7K
560 ((-9.05V))
((9.49V))
Q513
Q507
<-0.63V>
<0V>
R583
((-0.2V)) ((0V))
2.7K
<-9V>
((-9.04V))
C522 R552
3.3K
0.01
Q501
<-8.4V> <-38.3V>
((-8.45V)) ((-38.3V))
<9.98V> <17.13V>
((9.94V)) ((16.82V))
Q503
R562
C526
<16.47V>
10K <17.12V>
0.01
((16.17V))
((17.12V))
<16.41V>
<9.81V>
((16.14V))
R561
((9.81V))
Q505
1.2K
<9.21V>
D504
((9.2V))
R563 C527
330 25V33
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 4
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 4
H502A
E500
C537
50V 2.2
1
AC GND
TO
2
AC GND
SPEAKER
3
TERMINAL
-VCC
CIRCUIT
4
+VCC
(CN953) ON
5
SCHEMATIC
AC IN
DIAGRAM-1 4
6
SUB+B
7
SUB+B GND
H500/
W500
R538 R537
2.7 2.7
<5.11V>
((5.1V))
<0V>
<0.07V>
((0V))
((0.07V))
C516
0.18
<13.78V>
((13.87V))
R544
C520
3.3K
C528
0.01
50V2200P
C529
50V2200P
R548 R547
15
27
R558
2.2
R559 2.2
R560 2.2 <17.16V>
((17.16V))
Q504
<16.49V>
((16.49V))
Q502
KTC2026
10V VOLTAGE REGULATOR
Q504
KRA110MTA
CURRENT LIMITING SWITCH
(SHORT CIRCUIT PROTECTION)