R552
2.2
R553
2.2
CIRCUIT(CN300)
on SCHEMATIC
DIAGRAM-11
IC500
RSN311W64A-P
POWER AMP(HIGH,MID,LOW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
18
19
20
21
22
23
24
25
26
16
17
POWER AMP CIRCUIT
L
SCHEMATIC DIAGRAM-16
12
2
1
3
4
5
6
7
8
9
A
B
C
D
E
F
Q503,505
KTC3199GRTA
OVER LOAD DET.
Q503
Q505
Q511,514,517,518
KTC3199GRTA
H.P.F./L.P.F.
-VP
+B(6)
+B(2)
+B(1)
FAN2
FAN1
-B(1)
+B(4)
D.GND
A
B
A
B
C
E
D
CIRCUIT(CN301)
on SCHEMATIC
DIAGRAM-11
CP500
C521
0.01
D501
1D3E
R607A
150K
C554
6.3V470
R606A
150K
Q521
KRA102MTA
POWER SUPPLY
Q520
KTC3199GRTA
POWER SUPPLY CONT.
R608A
2.2K
R537
56K
C510
470P
C500
470P
C514
470P
C508
470P
R536
56K
C530
15P
R556
220K
C539
0.047
R546
470K
R532
56K
C51
1
470P
C503
470P
R506
3.3K
R501 4.7K
R502
4.7K
R505
3.3K
C526
15P
R555
120K
R560
120K
C527
15P
R533
56K
R534
56K
C528
15P
R557
120K
R535
56K
C529
15P
R558
150K
R559
180K
C531
15P
D519
RK306LFU1
D517
RK306LFU1
R520
3.3K
R513
4.7K
R516
3.3K
R512
3.9K
R507
4.7K
R509
3.3K
10
11
C593
50V10
R526
4.7K
R580
18K
R581
18K
R549
15K
R550
15K
R568
22K
R508
4.7K
R561
10K
C547
6.3V100
P.GND
+B(5)
LED9V
12
2
1
3
4
5
6
7
8
9
H.Lch IN
/CD
+B(3)
10
11
GND1
H.Rch IN
LOW Rch IN
GND1
LOW Lch IN
DC DET
P.CONT
HP SW
F
CP501
D502
RL1N4003S-P
D503
RL1N4003S-P
A
B
E
B
F
A
C
D
R511
1M
C506
1800P
R510
18K
C504
1800P
R525
18K
C517
50V1
C555
1800P
C548
1800P
R570
10K
R566
20K
R562
100K
R565
82K
C557
0.01
R600
47K
C556
50V1
Q518
R540
6.8K
C505
47P
C538
50V1
Q511
R542
1M
C524
1800P
R545
18K
C520
1800P
R548
18K
C518
50V1
R591
6.8K
C532
47P
C542
50V1
Q514
C581
1800P
C580
1800P
R592
10K
R530
20K
R573
100K
R595
82K
C582
0.01
R500
47K
C551
50V1
Q517
Q510
2SD2144STA
SWITCHING
R554
10K
R564
10K
D515
RVD1SS133TA
C545
100V10
Q521
C513
0.01
E
F
A
B
C
D
C519
0.01
C509
0.01
:FRONT MID/HIGHT SP DRIVE SIGNAL LINE
:FRONT LOW SP DRIVE SIGNAL LINE
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
14.8V
14.5V
7.7V
-7.9V
3.3V
5V
-31V
10V
0V
0V
60V
-60.7V
0V
29.1V
-29.7V
0V
0.2V
0V
0V
6V
-0.2V
29.5V
-30V
0V
0V
60.2V
-28.5V
0V
0V
0V
0V
5V
0V
0V
5V
14.3V
0V
0V
0V
14.3V
0.2V
0V
6.5V
14.8V
6V
8.6V
14.8V
8.8V
6.5V
14.8V
5.9V
8.4V
14.8V
8.8V