LOW
HIGHT
MID
Lch
LOW
HIGHT
MID
Rch
SPEAKERS
(6
)
SCHEMATIC DIAGRAM-17
13
2
1
3
4
5
6
7
8
9
10
11
IC501
STK470-040
REGULATOR
H501
RL501
C584
0.022
D523
MTZJ12BT
A
C552
0.01
R599
4.7K
C553
35V100
JK502
JK501
C544
0.01
12
1
2
5
6
4
3
C540
0.1
R575
47
R576
47
C558
25V2200
C512
100V10
D504
MTZJ33BT
A
C516
0.01
R524
4.7K
R521
150
R529
4.7
D514
1D3E
C543
63V100
D516
1D3E
C550
35V100
Q501
2SB621ARSTA
REGULATOR
Q515
2SC3940AQSTA
REGULATOR
D512
RVD1SS133TA
R598
470
C533
0.01
R563
10K
D518
RVD1SS133TA
R578
3.3K
A
B
B
D
A
B
E
C
F
A
R601A
4.7K
C585
0.068
C565
0.1
C566
0.1
R586
10
C591
0.01
C567
0.1
C568
0.1
R587
10
C588
0.068
C569
0.1
C570
0.1
R588
10
C590
0.068
C559
0.1
C560
0.1
R583
10
C561
0.1
C562
0.1
R584
10
C563
0.1
C564
0.1
R585
10
C586
0.068
C592
0.01
C587
0.047
C589
0.068
C549
100V10
R567
100K
B
A
A
B
E
A
F
D
B
C
C534
16V47
R527
1.5K
D507
MTZJ10BT
A
R571
39
R609
1.5K
R590
1.5K
C575
25V100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
C577
50V47
D508
MTZJ16BT
A
D526
1D3E
C574
35V3300
D524
1D3E
C571
35V3300
C573
35V5600
C583
0.18
R593
820K
D521
1D3E
C578
0.01
R594
3.3K
R574
2.7K
D528
RVD1SS133TA
D528
D522
MTZJ15CT
A
R577
2.2
D520
1D3E
R572
2.2
Q519
2SB1436R
POWER SUPPLY
Q516
KTC3199GRTA
POWER SUPPLY CONT.
C546
100V10
R569
3.9K
R551
2.2K
Q509
KRC110MTA
SWITCHING
Q512
2SC1740SSTA
RELAY DRIVE
D513
KBP152G4R5
Q508
KTC3199GRTA
SWITCHING
C537
6.3V220
R539
56K
R547
820K
R544
10K
Q507
KTC3199GRTA
POWER SUPPLY CONT.
R519
5.6K
R517
4.7K
R523
10K
C523
50V1
D509
MTZJ12BT
A
D505,506
MA700ATA
D505
D506
R522
100
R528
220K
C525
6.3V100
R538
18
Q502
KTC3199GRTA
FAN MOTOR DRIVE
R515
56K
R514
10K
C507
16V33
Q500
2SB621ARSTA
POWER SUPPLY
Q500
R518
820K
C515
0.1
L503
R602A
10
L504
R603A
10
L505
R604A
10
L506
R605A
10
L502
R597
10
L501
R596
10
C572
35V5600
C595
1000P
E500
E501
:FRONT HIGHT SP DRIVE SIGNAL LINE
:FRONT LOW SP DRIVE SIGNAL LINE
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
-31V
-7.9V
14.5V
14.8V
7.7V
5V
10V
14.5V 9.8V
10.4V 5.1V
-27.8V -8.5V
-7.9V
7.7V
14.8V 16.0V 28.0V
60V
29.2V 0V
0V
-29.7V -60.7V
0V
0V
5V
0V
0V
0.2V
0V
10V
10V
10V
0V
0V
14.9V
60V
15.1V
-31V
-38.2V
-31.6V
3.3V
9.5V
10V
9.5V
2.6V
3.2V
3.2V
0.2V
0V
0.8V
3.3V