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STK412-150

3.3K

R15

C4

220p

220p

R8

33K

1.8K

R9

PIN21

PIN22 PIN22

PIN20

GND C2

R5

3p

3.3K

PIN21

PIN19

R6 56K

R14

PIN20

PIN18

C3

PIN19

PIN17

PIN18

PIN16

PIN17

PIN15

PIN16

PIN13

PIN12

PIN14

PIN15

PIN14

PIN13

PIN12

.1

PIN11

PIN11

PIN10

GND

R4 .1

PIN9

PIN10

R3 .1

PIN9

PIN8

18V

R2 .1

PIN7

PIN8

PIN6

R1

PIN7

PIN5

ZENER

18.1V

PIN6

PIN4

PIN5

PIN3

ZENER

PIN4

PIN2

PIN3

PIN2

PIN1

PIN1

AUDIO AMPLIFIER

1.8K

C7

C8

C9

100u

2.2u

R7 100u

56K

100u

VOLT-2 VOLT-3 VOLT-4 VOLT-5

R10

POWER1

R12

C11

C5

1K

470p

C12

Ch. 2

X1-2

AGnd

GND

C10

470p 2.2u

100

X1-1

C6

56K

100u

R11

R17

X1-3

Audio 1 IN

Ch. 1

R13 1K

U$3

Audio Ch2 Out Audio Ch2 Out J1-2

4.7

R20

.1u

R18 4.7

J1-1

C14

BOBINA-3UH

4.7

VL+ GND VLVH-

100 VOLT-1

R21

VH+

C1

3p

56K R16

GND

R19 4.7

U$4

.1u C13

BOBINA-3UH

Audio Ch. 1 Out J2-1

Audio Ch. 1 Out J2-2

STK402-090 PIN16

PIN15

PIN16

C26

C18

2.2u

C16 33u

AUDIO 2.2 IN X3-1 X3-2

1K

C20 470p

GND

C22

3p

R28

56k

PIN14

PIN15

220p

56k 3p

R32

R34

56k

C25 GND

J5-1

1.8k R30

PIN13

PIN14

PIN12

PIN13

PIN12

PIN11

PIN10

PIN11

R25 .22

PIN9

PIN10

PIN8

R24

PIN9

PIN7

PIN6

PIN7

PIN8

.22

.22 GND

GND R33

C21

33u

R23 .22

PIN5

R26

GND

10k

R22

PIN6

PIN4

PIN5

PIN4

PIN2

1.8k

470p

56k R31

X2-2

C19 R29

1K

C15

X2-1

AUDIO 2.1 IN

PIN2

220p

R27

2.2u

C17

PIN1

PIN1

AUDIO AMPLIFIER

GND

POWER2

R39

J5-2

100

R40

J5-3

100 100u

100u

C28 GND

BOBINA3

Audio-out 2 Audio-out 2 J3-2

4.7

R37

.1u

R35 4.7

J3-1

C24

3UH

4.7

GND

R38

GND

C27

GND

R36 4.7

BOBINA4

.1u C23

3UH

Audio-out 1 J4-1

Audio-out 1 J4-2