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SCHEMATIC DIAGRAM-17
IC501
STK470-040
REGULATOR
1
2
3
4
5
6
14.5V 9.8V
10.4V 5.1V
-27.8V -8.5V -7.9V
R527
1.5K
A
B
R590
E
5V
C
0V
F
A
C549
R567
100V10
100K
Q519
2SB1436R
POWER SUPPLY
3.3V
10V
9.5V
Q516
KTC3199GRTA
POWER SUPPLY CONT.
9.5V
3.2V
D512
2.6V
RVD1SS133TA
D518
RVD1SS133TA
14.8V
14.5V
7.7V
-7.9V
3.3V
5V
-31V
10V
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
7
8
9
10
11
12
13
7.7V
14.8V 16.0V 28.0V 60V
C544
C552
0.01
0.01
R599
1.5K
4.7K
D524
1D3E
C571
35V3300
D526
1D3E
C574
35V3300
Q508
Q502
KTC3199GRTA
KTC3199GRTA
SWITCHING
FAN MOTOR DRIVE
0V
R515
C525
R522
0V
56K
6.3V100
100
R514
0.2V
0V
10K
D505,506
MA700ATA
C507
16V33
Q500
2SB621ARSTA
Q500
POWER SUPPLY
10V
0V
10V
R544
10V
10K
R519
0V
R518
0V
5.6K
820K
Q507
KTC3199GRTA
C515
0.1
POWER SUPPLY CONT.
Q501
2SB621ARSTA
REGULATOR
-31V
A
B
-31.6V
R576
47
R551
2.2K
Q512
Q509
2SC1740SSTA
KRC110MTA
RELAY DRIVE
SWITCHING
R578
3.2V
3.3K
0.2V
B
D
:FRONT LOW SP DRIVE SIGNAL LINE
:FRONT HIGHT SP DRIVE SIGNAL LINE
E
A
14
15
16
17
18
29.2V 0V
0V
-29.7V -60.7V
D
F
B
C
Q515
2SC3940AQSTA
REGULATOR
14.9V
60V
15.1V
R593
D528
820K
A
B
D514
R529
1D3E
4.7
35V100
-38.2V
R521
150
R575
47
B
A
RL501
5
2
1
6
4
3
0V
0.8V
D513
KBP152G4R5
C540
0.1
R604A
10
JK501
L505
R602A
HIGHT
10
L503
MID
L501
R596
LOW
10
R605A
10
JK502
L506
R603A
HIGHT
10
L504
MID
L502
R597
LOW
10
D528
RVD1SS133TA
C595
1000P
E500
C550
E501
C584
0.022
H501
1
2
3
4
5
6
7
8
9
10
11
12
13
Lch
SPEAKERS
(6 )
Rch
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