TECHNICS SA-EH590EG, SA-EH59EP Schematic msc 03
SCHEMATIC DIAGRAM-3
MAIN CIRCUIT
B
D756
D757
MA700ATA
C648
1000P
B
A
IC601
RSN309W44B
POWER AMP
MA700ATA
C603 470P
C604 470P
R603
R617
L
K
M
G
0.01
C705
Q708
UN4211TA
SWITCHING
(POWER)
2.1V
AB C
25 26 27 28 29 30 31 32 33 34 35 36
3.3K
4.7K
: POSITIVE VOLTAGE LINE : NEGATIVEVOLTAGELINE :AUDIO SIGNALLINE
7.6V
-
10.4V
-
0.2V
29.4V
-
0V0V0V0V
C607 470P
C608 470P
3.3K
R604
4.7K
R618
Q709
2SD2144STA
SWITCHING
(POWER)
0V 0V
10K
R776
-47.2V
C649 1000P
R674
53.6K
R675
56.2K
0.01
C617
R738
3.9K
47.2V
0.7V
C650 1000P
C614 47P
R607 56K
C613 47P
R610 150K
C612 15P
R609 150K
C611 15P
0.01
C618
Q672
2SD1859QRTV2
STABILIZER
47.7V
0.6V
Q673
2SB1417PQTA
REGULATOR
47K
R739
29.7V
R608
56K
Q671
2SD1859QRTV2
REGULATOR
59.5V47.2V
47.7V
C673
100V1
-59.5V
-47.2V
-47.7V
D671,672
MA4140MTA
R572
R672
R673
D672
D671
15K
2.7K
330
R627
R671
470K
2.7K
D673
R544
10K
C672
MA4180LTA
N
C616
50V0.47
R624
150K
R623 120K
R622 120K
R621 150K
R628 22K
C622 10V100
D558
MA165TA
R647
2.2
R648
2.2
5.1V5.1V
0V
D754
RL1N4003N02
D755
RL1N4003N02
0V
Q601 Q602
Q601,602
2SC5398RSTA
PROTECTOR
0.1
C671
0.1
14.7V
1SS291TA
0V
0V
Q503
2SC5398RSTA
SWITCHING
1N5402BM21
D753
C703
35V3300
RL1N4003N02
D761
C701
35V4700
RL1N4003N02
D704
1N5402BM21
35V3300
35V4700
D702
C704
C702
0V0V0V
D602
SB360L6508
D607
15K
R637
D703
1N5402BM21
-
29.3V
R635
2.2K
0.1
C619
D751
1N5402BM21
D752
1N5402BM21
0V28.9V
D601
SB360L6508
68K
R638
0.1
C709
D701
1N5402BM21
0.1
C761
-
59.5V
L601
R639
10
10
0.1
0.1
R722
3.9K
25V100
2.2
R641
C621
C631
A
B
C
15.2V
L605
R649
10
C635
10
10
R651
C637
0.1
0.1
C627
0.1
0.1
C629
R642
C620
C630
4.7
R721
16V33
C636
10
C632
0.1
0.1
IJ
A
29.2V14.7V
R725
C719
0.047
L602
R640
10
C710
0.047
Q701
2SD2374PQAU
REGULATOR
C717
0.047
0.047
0.047
0.047
10
D723
MA4150HTA
CP602
W722A
W721A
R723
5.6K
10
1
2
3
4
5
6
7
8
1
2
3
4
1
2
3
4
5
6
7
8
9
JK601
JK602
Q555
2SD2144STA
R570
SIGNAL LEVEL DET.
2.2M
C552
R559
0.01
4.7K
-
-
10.4V
0.3V
Q551
2SA1995RSTA
10K
R557
SIGNAL LEVELDET.
100K
R556
C551
50V2.2
C639
1000P
C640
1000P
C641
1000P
C642
1000P
C732
0.022
C647
1000P
R719
3.3K
D551
R551
C724
MA165TA
68K
0.047
E601
E602
68K
3.9K
R552
R553
Q710
2SC3940AQSTA
R797
REGULATOR
0
7.6V
8.1V
D738
C721
MA165TA
R554
10V100
3.9K
30.1V
123456789101112131415181920212223242526 1617
0V0V59.5V
D658
MA165TA
D657
D659
G
F
E
D
MA165TA
MA165TA
10.4V
C723
D730
R591
4.7K
R555
0.047
MA4091HTA
1.5K
R729
220
R768
100
D758
C553
MA165TA
7.6V
-
50V0.47
R558
10.4V
D552
MA165TA
R561
100K
R769
0
3.9K
R727
D725
MA4082LTA
CN781
W701B
R749
1K
Q711
2SB1548PQAU
REGULATOR
10.4V
D739
MA165TA
10.2V
C734
50V3.3
R765
1K
C554
16V220
MA4100MTA
R548
1K
A
B
C
D
R767
4.7
1
1
14.1V
13.6V
9.6V
Q725
2SC5398RSTA
STABILIZER
220
Q554
2SA1995RSTA
SIGNAL LEVEL DET.
D555
C550
7V
0.01
1032 4 5 6 7 8 9
1032 4 5 6 7 8 9
B
C
R720
7.6V
0V
3.9K
D
L606
R650
A
C
10
R652
C626
C628
D
E
F
G
C
D
H
F
E
B
POWER SUPPLY CIRCUIT
29.2V
Q702
2SB1548PQAU
REGULATOR
-
30.1V
-
10.4V
11V
C720
0.047
R724
-
11V
C718
-
C722
25V100
-
0.6V
Q705
2SA1995RSTA
STABILIZER
HF(6 )
LF(8
HF(6 )
LF(8
SPEAKERS
Lch
)
Rch
)
SA-EH590(EG,EP) MAIN, POWER SUPPLYCIRCUITDIAGRAM
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