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SCHEMATIC DIAGRAM-3 B MAIN CIRCUIT
D756 MA700ATA D757 MA700ATA
: POSITIVE VOLTAGE LINE
: NEGATIVE VOLTAGE LINE
7.6V -10.4V
:AUDIO SIGNAL LINE
7.6V R570 2.2M C552 0.01 L605 R558 1K B C554 16V220 R559 4.7K -10.4V -10.4V 0.3V R557 10K R591 4.7K 7.6V -10.4V R649 10 JK601 C635 0.047
IC601 RSN309W44B
POWER AMP
Q555 2SD2144STA
SIGNAL LEVEL DET.
SPEAKERS
Q554 2SA1995RSTA
SIGNAL LEVEL DET. D555 MA4100MTA 7V 7.6V D 0V
L601 R639 10 C629 C627 R651 0.1 0.1 10 C631 C621 R641 0.1 0.1 10
HF(6
) Lch
www.DataSheet4U.com
D552 MA165TA
C637 0.047
Q551 2SA1995RSTA
SIGNAL LEVEL DET. C551 50V2.2 R556 100K
LF(8
)
R561 100K C550 0.01
L606 R650 10 A
D551 MA165TA
JK602 C636 0.047
26 0V 470P
25 0V 470P
24
23 0V 470P
22 0V 470P
21 1000P
20 1000P
19
18
17
16
15
14
13
12
11
10
9 0V
8 0V
7
6
5
4
3
2
1 0V
-47.2V 47.2V
-29.7V 29.4V -0.2V 0V
-29.3V 28.9V 0V
-59.5V 59.5V 0V
HF(6
) Rch
R548 1K
L602 R640 10 C
D602 SB360L6508
C603
C604
C607
C608
C649
C650
R627 470K
D658 MA165TA
C630 C620 R642 0.1 0.1 10
C628 C626 R652 0.1 0.1 10
C632 0.047
C648 1000P
D601 SB360L6508
C616 50V0.47
N
LF(8
)
B
R608 C614 R607 C613 R610 C612 R609 C611 R604 3.3K
56K 47P 56K 47P 150K 15P 150K 15P
C553 50V0.47
R551 68K
R552 68K
R553 3.9K
R554 3.9K
R555 1.5K
R624 150K R623 R622 R621 120K 120K 150K
A
A
B C D
A B
CP602 1 2 3 4 5 6 7 8 J I
C
R618 4.7K
R628 C622
22K 10V100 C724 0.047
Q710 2SC3940AQSTA
R797 0 5.1V REGULATOR 7.6V 30.1V C723 0.047 R729 220 D725 MA4082LTA R769 0 R727 3.9K R767 4.7
5.1V 0V
W722A D E F G W721A R722 2.2 R721 4.7 1 2 3 4 5 6 7 8 9 10 1 2 3 4
8.1V
D659 MA165TA
PROTECTOR L K R572 15K R544 10K D558 MA165TA 0V
R719 3.3K
Q601,602 2SC5398RSTA
D657 MA165TA
C721 10V100
Q601
0V
Q602
D607 1SS291TA
R635 2.2K
R637 15K
R638 68K
0V
C619 0.1
A C D H F E B
C618 0.01
Q671 2SD1859QRTV2
REGULATOR 47.2V 59.5V R671 2.7K C671 0.1 R647 2.2
SWITCHING
C709 0.1
Q503 2SC5398RSTA
14.7V
-10.4V R674 53.6K
Q672 2SD1859QRTV2
STABILIZER 0.6V 47.7V C673 100V1
47.7V
D703 1N5402BM21 D761 D753 RL1N4003N02 RL1N4003N02 D751 1N5402BM21 D701 1N5402BM21 G C703 35V3300
CN781 1 2 3 4 5 6 7 8 9 10
R675 56.2K
-47.2V C617 0.01
-59.5V
R648 2.2
C639 1000P F C640 1000P C641 1000P
C POWER SUPPLY CIRCUIT
E601 1 2 3 4 5 6 7 8 9 10 W701B 29.2V C710 0.047 R749 1K
R672 2.7K
R738 3.9K M
REGULATOR
R673 330
C672 0.1
-47.7V Q673 2SB1417PQTA
C701 35V4700
D673 MA4180LTA
Q708 UN4211TA
2.1V C705 0.01 SWITCHING (POWER) 0V R776 10K
D702 1N5402BM21
D752 1N5402BM21
C704 35V3300
G
D672
C720 0.047
D739 MA165TA
R724 3.9K
SWITCHING (POWER) 0V 0.7V R739 47K D671,672 MA4140MTA
D755 D754 RL1N4003N02 RL1N4003N02
Q709 2SD2144STA
D704 1N5402BM21 E C761 0.1
Q711 2SB1548PQAU
REGULATOR 10.4V 14.1V C722 25V100
Q702 2SB1548PQAU
REGULATOR -10.4V -30.1V
Q701 2SD2374PQAU
REGULATOR 14.7V 29.2V C719 0.047 R725 10 D723 MA4150HTA R723 5.6K
C642 1000P C732 0.022 D738 MA165TA D730 MA4091HTA
D671
D C702 35V4700
R768 100
13.6V
R720 3.9K
-11V
15.2V C717 16V33 -11V C718 25V100
10.2V C734 50V3.3
A B
C
9.6V
D758 MA165TA
C647 1000P
R765 220
E602
Q725 2SC5398RSTA
STABILIZER
-0.6V
Q705 2SA1995RSTA
STABILIZER
14.7V
SA-EH580(EE,EG,EP) MAIN, POWER SUPPLY CIRCUIT DIAGRAM
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