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1 2 3 4 5 6 7 8




+VCC C409 +VCC C109
R403 104 R103 104
1K 1/4W




1
5
7
1K 1/4W JACK 1




1
5
7
JACK 1 C403 C103
R409 R109
C55 10 10
+ 10R 1/4W + 10R 1/4W
C404 3 1 2 C104 3 1 2
+VCC1 4.7UF/25V R404 LM3886 4.7UF/25V R104 LM3886
20p SL-INPUT 22p 9 IC400 22p 9 IC100
D R61 R57 R59 47K 1/4W -- RAC-INPUT 47K 1/4W -- 0.7UH D
R53 10R 2M 47k 0.7UH
L401 L101




4
2.2M




4

8




4

8
C56 -VCC1 -VCC -VCC
R51 D52 1N4148 R410 R110
20k
6 IC1B D51
7
1N4148
R55 Q6
2
1
C410
4K7
8R C110
104 4K7
R408 104 R108
10uf 5 C1815 3 8R




2M R58
100k R60
10k




100uf C54
IC1A R407 R107
R52 R54 1K 1/4W 1K 1/4W
10k 4558 10k C53 4558 2.7R 1W 2.7R 1W
10uf MUTE4 MUTE1




8
ZD2 C405 C105 C107
6.2V C407
+VCC1 R405 24K 1/4W R105 24K 1/4W
104 47UF/25V 104
47UF/25V
R406 24K 1/4W R106 24K 1/4W
C406 68p C106 68p


+VCC C509 +VCC C209
R37 D14 R503 104 R203 104
1K 1/4W




1
5
7
4.7K 1K 1/4W JACK 1




1
5
7
1N4007 JACK 1 C503 C203
R509 R209
10 10
+ 10R 1/4W + 10R 1/4W
D13 +VCC1 C504 3 1 2 C204 3 1 2
LED2A RED 1N4007 4.7UF/25V R504 LM3886 4.7UF/25V R204 LM3886
R672 R674 22p 9 IC500 RAC-INPUT 22p 9 IC200
15K 18K SR-INPUT 47K 1/4W -- 47K 1/4W -- 0.7UH
R38 0.7UH
D151N4148 L501 L201




4

8




4

8
100R 1/2W -VCC -VCC
R45
C R510 R210 C
1.2K 1/2W
Q622
C1815Y D605 1N4148
C510
4K7
8R C210
104 4K7
R508 104 R208
R35 10K Q4
Q623
C1815Y 1K 1/4W
R507 1K 1/4W
R207 8R
R67310K Q5
C1815Y ! D606 1N4148 MUTE5
2.7R 1W
MUTE2
2.7R 1W

C1815Y C505 C205 C207
C649 C507
R505 24K 1/4W R205 24K 1/4W
220UF 25V 104 47UF/25V 104
47UF/25V
RL1 R506 24K 1/4W R206 24K 1/4W
D607 1N4148 C650 C506 68p C206 68p
12VDC 220UF 25V

D608 1N4148 +VCC C309 R310
R303 104 4K7
1K 1/4W




1
5
7
IC1 JACK 1 C303
7815 R309
D9 1N4007 10 +
1 3 +VCC1 10R 1/4W
Vin Vout C304 3 1 2
4.7UF/25V R304 LM3886
GND




22p 9 R659100R/2W
CEN-INPUT -- IC300 +VCC
C33 47K 1/4W 0.7UH
L301 R639 R637 C643 C645 R647 C639 Q607
1000UF35V




4

8
-VCC 3K3 3K3 104 47UF 220R 27p 2SD669
8R
2




GND
ZD3 C310 R635 Q613
C34 15V 1W R308 104 3K3 2SC5200
D10 1N4007 R307 ZD601 24V Q605
B 1000UF35V 1K 1/4W B
2N5401Y R651
68R 2W R49




-VCC1 2.7R 1W




2SA1015
MUTE3 Q601 Q603 C637 110R




Q617
C305 27p
R48 C307
R305 C1815Y C1815Y R669
24K 1/4W 104
120R 2W 47UF/25V C634 27p 390R
R306 24K 1/4W R641 R645 R643




2SC1815
100R 22K 100R R663 R667 R658
C306 68p




Q615
R649 C641 51R 0.22R/2W 4.7K
3K3




Q609
JACK 1 10UF R656 39K L601 0.7UH
R631 C631 R633 1K C633 C636
270 1 2
C15 10000UF35V
D1 1N5401 C16 10000UF35V R657
4K7




2SD669
104
+VCC R632 20p R650
103/ 1kV




0.22R/2W
820R C642 R671 10R 1/4W




2SA1015
C11 S-W-INPUT 47K 1.5K R664




Q616




R668
J1 SW1 F1 D2 1N5401 R65 R642 R646 R644 C635 270
C13 100R 22K 100R 10UF 51R

2P 3.15A~250V FUSE
20K 1/8W 104 Q624 R670 4R
Q625
D3 1N5401 GND K30A Q602 Q604 390R R655 10R/1W
K30A




2SC1815
103/1kV




C647




Q618
RL1 C12 C14 R600 1K R652 104
R66 MUTE6 C638 110R
INPUT AC 10A ~250V D4 1N5401 104 R666 1K A1015Y A1015Y
T1 TRANS5 ! 20K 1/8W
-VCC ZD602 24V
27p Q606
2N5551Y
Q614