Vitek SVA D2028 Schematic

A

-+

C306

+

10uF

50V

IC1
DH321

DIP8

D301-D1
1N4007X4

C303
22uF

450V

C307
104

+

R301
47K

2W

D305

HER107

R302

7.5MM

R303
NC

R304

51R

J303
0 ohm

J2
0 ohm

3

1

Vcc Drain

GND FB

678

2

4

L301

3.3mH

C308
104J

D306

HER107

IC302
NC

DIP8

C304
103

1KV

IC303

PC817B

TR1

1

+5V

12

2

11

3

4

6

TR1

R26
10

10

9

8

75

+8V

D309 HER107

-21V

R315 22

-3.3V

D311 HER107

+3.3V

C315

+

10uF

D307
HER303

C310 100pF

D306
HER303

C320
100uF

+

35V

C312
104

+

C314
104

R316
4K7

C322

100uF

L303 20uH

C311

+

2200uF

16V

L305 47uH

C317

+

330uF

16V

D312
6V2/1W

C313
470uF

10V

+

R313 1K
R314 1K

C318
104

C318
220uF

16V

R310
1K

+

C319

+

470uF

10V

CN1

D5V

1

P5V

2

GND

3

GND

4

+9V

5

-9V

6

OUT PCB Supply

CON306

-8V

1

D310

C321
100uF

+

16V

10V/1W

H301

+8V

2

GND

3

+5V

4

MIC PCB Supply
CON305

1
2
3

Front Panel Supply

L302

50mH

C301

0.1uF

AC275V
X2CAP

1

1 1

2

CON301
Mains Supply

F1

1

2

CON302
Mains Switch

TRV301
N.C

FUSE T1A L 250V

C330

471

1KV
Y1CAP

C331

471

1KV
Y1CAP

3

1

Vcc Drain

GND FB

678

2

5

C309 102

1KV Y1CAP

IC6
TL431

R309
180

A

R306
4K7

R308 4K7/1%

C323

104

R307

4K7/1%

Title

SVA D2028

Size Document Number Rev

B

Date: Sheet

QS-SFC

Power Supply

22Thursday, April 27, 2006

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