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A
POWER SUPPLY CIRCUIT
W301
Lch IN
1
H
A.GND
2
Rch IN
3
MUTE
4
POWER
5
+B(13V)
6
LED CONT
7
CT
8
D.GND
9
-B(-13V)
10
To TUNER
+B(16V)
(ST-HD560)
11
+B(12V)
12
KEY SE
13
G
JOG A
14
JOG B
15
HPDET
16
-B(-24V)
17
FL1
18
FL2
19
SYNC
20
F
C370
470P
E201
0V
Q320
2.3V
UN4211TA
SWITCHING
E
(HP DET.)
B
OPERATION CIRCUIT
VR502
VR501
EVEKC2F2524B
K9AA012A0003
(VOLUME)
(INPUT SELECTOR)
SLR-325VC
D
A C B
A B C
1
2
3
1
2
3
D503
MA165TA
B
A
S501
(
/
)
C
C
S503
(BASS
)
R526
1K
S504
(BASS
)
S505
(VGCA)
D502
MA165TA
S506
(TREBLE
)
B
S507
(TREBLE
)
7
6
JK501
2
PHONES
3
3.5mm
4
Q501,502
STEREO
A
5
2SD2144STA
1
MUTING
1
2
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
A
B
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
C
R213
10
9.4V
Q318
C327
UN4111TA
100P
LED DRIVE
0V
R361
C326
R362
1K
100P
1K
4.2V
CP501
1
2
3
4 5 6 7
8
9
10 11
12 13
14
1
2
3
4 5 6 7
8
9
10 11
12 13
14
CN501
D505
D510
SLR-325MC
R535
A B C
(
/
)
(VGCA)
470
-12V
D504
R519
R520
MA165TA
1K
1K
R529
R517
D508
D509
4.7K
560
11.9V
12V
Q506
Q505
UN4115TA
D508,509
MUTING CONT.
UN4111TA
SELS5923C
0.3V
MUTING CONT.
(ILLUMINATION)
R528
0.6V
4.7K
R505
R507
15K
3.3K
IC501
M5218AFPE3
R501
R503
C503
C505
HEADPHONES AMP
47
47
100P
100P
R513
0V
12V
0V
0V
0V
1K
0.7V
8
7
6
5
Q501
Q502
R514
1K
0.7V
1
2
3
4
0V
0V
0V
-12V
0V
R502
R504
C504
C506
47
47
100P
100P
R506
R508
Q503,504
15K
3.3K
2SD2144STA
MUTING
3
4
5
:AUDIO SIGNAL LINE
G
Q301
2SC3940AQSTA
REGULATOR
15.7V
27.1V
H
16V
F
E
I
Q308
2SB621AQRSTA
Q319
REGULATOR
-24.4V
-48.1V
2SC3311ATA
K
LED DRIVE
15.8V
8.7V
-25V
9.3V
9.3V
D
0V
Q317
P
UN4211TA
LED DRIVE
C184
R354
16V10
10K
B
IC301
NJM4558MTE1
BUFFER AMP
C183
R353
16V10
10K
A
1.3V
C332
820P
R515
C513
22K
50V1
R511
0V
IC302
1K
0.7V
NJM4558MTE1
BUFFER AMP
Q503
Q504
R512
1K
0.7V
0V
R516
C514
22K
50V1
C331
820P
6
7
8
C309
25V470
D322
R331
RL1N4003N02
10
C305
C311
25V100
0.01
C313
0.01
C308
25V2200
R311
3.3
C329
C319
D320
25V100
25V330
R318
C325
D318
D319
D317
10
50V47
R319
D316-321
Q311
100
RL1N4003N02
2SC3311ATA
LED DRIVE
C328
0V
0.1
Q307
2SC3311ATA
R314
0V
RELAY DRIVE
R364
R365
3.9K
1V
56
56
0.3V
I
17.5V
R348
10K
R356
C352
10K
1000P
C350
R350
C188
100P
100K
16V33
G
-12V
0V
0V
4
3
2
1
5
6
7
8
0V
0V
12V
C349
R349
C187
100P
100K
16V33
H
C351
1000P
12V
Q312
2SD2137PQTA
REGULATOR
C340
12V
270P
Q
C334
C338
C346
820P
15P
25V10
C336
R328
C360
100P
91K
50V0.22
E
-12V
0V
0V
4
3
2
1
5
6
7
8
0V
0V
12V
C347
C335
R327
C359
25V10
100P
91K
50V0.22
F
C337
15P
C
-12V
Q313
2SB1417PQTA
REGULATOR
-5.1V
SE-HD560(E,EB,EG,EP) POWER SUPPLY,OPERATION CIRCUIT DIAGRAM
9
10
D331
MA165TA
CN110
1
J
2
O
3
N
4
5
6
7
CN109
1
2
3
4
D313
RL1N4003N02
M
5
L
6
7
A
8
R309
B
9
330
C
10
D
11
R307
10K
0.7V
CN106
E
1
2
F
3
G
4
5
H
6
7
8
9
10
I
11
C
R341
10
29V
A
12.5V
C345
0.01
R343
1.8K
R344
1.8K
C348
0.01
-12.5V
R345
10
B
-29V
D
11
12
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