Amplificador stk412-150

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  • Publicado : 4 de septiembre de 2012
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STK412-150
AUDIO AMPLIFIER

PIN10

PIN12

PIN13

PIN14

PIN15

PIN16

PIN17

PIN18

PIN19

PIN20

PIN21 PIN21

PIN10

PIN11

PIN1

PIN2

PIN3

PIN4

PIN5PIN6

PIN7

PIN8

PIN9

PIN12

PIN13

PIN14

PIN15

PIN16

PIN17

PIN18

PIN19

PIN20

R1

R2 .1

R4 .1

ZENER

ZENER

R3

C3 .1 220p

C4 220p

18.1V18V

3.3K

R15

GND

.1

R6 56K 3p GND C2 33K R8

3.3K

R14

R5 56K 3p

C1

1.8K

R7

R9

R16
VH+ VL+ GND VLVH-

1.8K

PIN22

PIN22

PIN11

PIN1

PIN2PIN3

PIN4

PIN5

PIN6

PIN7

PIN8

PIN9

2.2u

C9

100
VOLT-1

R12 C5 470p 1K
X1-3 X1-2

C11 R10 100u C12 56K R11 56K 100u C7 100u C8

POWER1
VOLT-2 VOLT-3VOLT-4 VOLT-5

Ch. 2 AGnd Ch. 1

Audio 1 IN C6 470p 2.2u C10 R13 1K
X1-1

R17 100 GND

100u

U$3

Audio Ch2 Out
BOBINA-3UH

C14 .1u 4.7 R20

J1-1 J1-2

Audio Ch2 Out

R18 4.7R21

R19
U$4

4.7

4.7

GND

.1u C13

Audio Ch. 1 Out
J2-1 J2-2

Audio Ch. 1 Out

BOBINA-3UH

STK402-090
AUDIO AMPLIFIER
PIN10 PIN12 PIN13 PIN14 PIN15 PIN15 PIN16 PIN16PIN11 PIN11 PIN1 PIN2 PIN4 PIN5 PIN6 PIN7 PIN8 PIN8 PIN9 PIN9

PIN1

PIN2

PIN4

PIN5

PIN6

PIN7

PIN10

PIN12

PIN13

2.2u

R22

C17

R23 .22

R24

220p

C16R27
X2-1

R25 .22

220p

C15

PIN14

R28 2.2u C18 C20 470p 1K

AUDIO 2.2 IN
X3-1 X3-2

.22

AUDIO 2.1 IN
X2-2

1K

R26

1.8k

10k

C19 R29 56k R31 470p

.221.8k R30

R32

GND

GND 33u C25 GND

GND R33 56k 3p C21

56k

R34 56k 3p C22 33u C26 GND

GND

J5-1

POWER2
J5-2 J5-3

R39 100 R40 100 C27 GND 100u GND 100u C28 GNDBOBINA3

Audio-out 2
3UH

C24 .1u 4.7 R37

J3-1 J3-2

Audio-out 2

R35 4.7

R38

R36
BOBINA4

4.7

4.7

GND

.1u C23

Audio-out 1
J4-1 J4-2

Audio-out 1

3UH

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