5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

se alim

din orice

traf intre

12V si 25V

alternativ

se leagala masaamplifului

R31 se alege a.i.

venitlatorul sa se invarta

silentios, dar sa poata

porni

Se poate omite, in acest

caz ventilatorul va fi

oprit la temp joase

25C 50k

37C 32K

50 25k

70 12k

95 5k

decuplare la 80C

pornire vent la 50C

HF prot

C-opto

E-opto

Se inseriaza mai multe rezistente a.i.

tensiunea/rezistenta <75V pt rez de 1/4W

150V/rez pt 1/2W

<Doc><RevCode>

<Title>

B

1 1Thursday, July 25, 2013

Title

Size Document Number Rev

Date: Sheet of

In

In Gnd

Vcc

In

In Gnd

Vcc

In Gnd

0

0

0

0

0

0

0

0

00

0

0

0

0

0

J5

Traf ventilatoare

12

R2033k

R1515k

C210u 16V

D8

1n4007

J8

Ntc

1

J4

prot amp

12

R16

220k

F2

0.5A

ALIM PROT1

12 - +

D1

2

1

3

4

F1 0.2A Fast

D9

1n4007

C1470u 50V

R11110k

Q5BT149

C61u

C8100u

C10100u 35V

R11k

J9Vent -

1

J6

Ntc

1

R2

1meg

C522u 160V

-+

D6

2

1

3

4

D2Error

R4

4.7k 0.5W (2.2k+2.7k 1/4W)

-+

D4

2

1

3

4

Q3IRF530N/TO

D3

1n4007

R7

470

R2110k 1W

C9

47n

J1

In

1

C310u

R222.2k

LS1

Releu 12V

54

312

D11

D1N4148

Q9BT149

J7Vent +

1

Q4

- +

D5

RB151

2

1

3

4C7

22u 160V

R2333k 1W

J2

Out

1

J3

In-gnd

1

R322k

D7UF4007

U1 7812

1 3

2

VIN VOUT

GND

C4470u 160V

R51meg

J10HF Off

12

R17

33k 1W (2x15k 1/4w)

Q6BT149

R2447 5W

SW1

Reset

12