Vitek VT-4120 board diagram

5

CN401

-12V

6

+12V

5

+5V

4

MICL

3

GND

2

MICR

1

D D

R423

330R

MUTE

1

Q41

1

2N8050

2 3

MIC1-IN

3

4
2

L401

3.3uH

C421
100PF

R401

1k

PHO402

C401

3300pF

C C

1

MIC2-IN

3

4
2

L402

3.3uH

C403

3300pF

PHO401

1)4

脚

MIC座(1-1348-1006-0001) PHO401,PHO402,

Q41,R423

B B

用

C402

3300pF

C404

3300pF

R402

1k

4

C405

0.1uF

R403

22k

C406

0.1uF

R404

22K

C420

E408

0.1uF

12

100uF/16V

3

+

2

-

R407 100k

R405

1k

5

+

6

-

R408 100k

C408 33pF

R406

1k

+12V

84

-12V

+12V

84

-12V

U401A
4558

33pF

U401B
4558

3

2

1

C419 0.1uF

U402

12

E407 100uF/16V

1

R422
100K

R411
10K

R413

10K

0.01UF

R412
1k

C411

2200pF

C410

R409

10K

IN

R410

10k

7

VR401

2

2

3

3

VOL

1

10K

1

ECHO-IN

VR402

2

2

3

3

ECHO

1

10K

1

OUT

E401

1uF/16V

E402

10uF/16V

E403

4.7uF/16V

12

12

12

R420 10k

R418 10K

R419 15K

R416 2.7K

R415 7K5C407

R414 680R

C413

0.1uF

C412

0.1uF

C414

2200pF

C415

100pF

R417

10

10

11

12

13

14

15

16

PT2399

E406

1 2

10uF/16V

89

7

6

5

4

3

2

1

C416 220PF

C417 220PF

E404

1 2

47uF/16V

12

E405

100uF/16V

R421
12K

C418

0.1uF

OUT

6

IN

3

2

2

5

5

6

VOL

VR403

4

3

4

1

1

10K

6

MIC1-IN

156

7

3

4

MICL

A A

PHO403

2

2)7脚MIC座(1-1346-1009-0001) PHO403 PHO404

Q41,R423

不用

5

MIC2-IN

156

7

PHO404

用和

ECHO-IN

3

4
2

4

3

固定式

3脚(1-1130-0005-0000)10K VR401,VR402

6脚(1-1130-0004-0002) VR403,VR404

收缩式

3

2

2

5

5

6

ECHO
VR404

4

3

4

1

1

10K

用

用

Title

双

MIC+

Size Document Number Rev

B

2

Date: Sheet

外置混响

1.0

11Friday, April 13, 2007

1

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