A

B

C

D

E

F

G

H

I

 

 

 

 

 

 

 

 

 

J

K

L

M

N

O

P

Q

 

 

 

 

 

 

 

.

560K

1

MONITOR I/P

- - -

R9 1/4W 10K

R8

 

1/4W

 

20K

 

.

4

 

V-

NE5532N

NE5532N

U9:A

TO92

5122

Q18

J109

D36

R104

 

1/4W

R107

1/4W

1/4W

R140

U12:B

.

U11:A

2

1

2

J3 S R T

.

R1 1/4W 10K

.

V+

U9:C

U9:B

 

8

 

R12 1/4W

20K

.

10K

1B LIN

4454 MONITOR GAIN

M P2

C63

 

 

BAT85 0A2

 

1K

 

 

 

.

 

 

 

 

 

BAT85

BAT85

 

 

D24

 

D25

 

 

0A2

 

D38

R144

 

0A2

 

 

4148

1/4W

 

D37

 

 

 

 

2K87

 

 

 

 

.

 

BAT85 0A2

 

 

 

 

 

 

 

 

 

 

R103

 

1/4W

R102

 

1K

 

 

.

 

 

220N

 

 

 

C58

 

50V

 

1/4W

R109

 

 

 

 

 

390R

 

 

 

 

 

 

.

 

D39

 

 

 

 

 

 

 

 

 

 

 

BAT85 0A2

 

 

10U

 

 

 

 

 

 

 

C62

 

 

 

 

 

 

63V

 

 

 

 

47K

.

0A2

D28

BAT85

R106

MC33078P

R108

1K5

1/4W

R116

1VTL5C8

6860

2

3

 

R64

 

 

 

1/4W

 

 

 

4K99

 

R18

R69

 

.

 

 

 

 

1/4W

1/4W

 

 

R16

10K

1K

 

 

.

.

MC33079P

1/4W

 

 

 

 

10K

 

 

 

U7:B

.

 

 

 

 

 

 

 

 

 

MC33079P

 

 

 

 

U7:D

 

1

6

W20:A

 

 

2

6

W20:B

 

RIBBON CABLE

3

6

W20:C

 

.

10K

1/4W

R13

1/4W

C5

 

 

 

 

 

 

 

 

330N

 

63V

 

R48

4K99

.

 

 

D13

 

4148

C3

 

 

330N

 

63V

1/4W

MC33079P

U7:C

R44

4K99

.

4148

D9

R45

1/4W

20K

.

4148 D10

U11:B

VTL5C8 6860

 

3

4

C16

 

100P

100V

 

R41

1/4W

100K

 

.

11

 

V-

MC33079P

V+

U7:E

U7:A

 

4

 

 

 

 

R26

1/4W

R40

1/4W

.

 

10K

 

100K

 

.

 

 

C18

 

R39

R143

 

 

1/4W

1/4W

 

1U

63V

 

2K05

10K0

 

 

 

.

.

 

 

 

 

2N5638

 

 

 

 

Q5

 

 

 

 

5119

 

 

 

 

TO92

 

 

 

 

C64

 

 

 

 

27P

100V

680P

50V

 

8

 

 

V+

MC33078P

 

 

 

 

U12:C

 

V-

U12:A

 

 

 

4

 

1/4W

1K

.

R142

1/4W

100R

.

1/4W

47K

.

1/4W

560K

.

3

4

IN FROM PRE-AMP 4

6

W20:D

5

6

W20:E

6

6

W20:F

R145

1/4W

12K1

.

R146

4

1/4W

 

4K12

 

.

 

5

 

 

R81

 

1/4W

10K0

 

 

.

C61

12N 50V

 

 

R83

 

1/4W

4K12

 

 

.

 

 

 

1/4W

4148 D20

BC550C

R87

150R

.

Q12

5101

D18

4007

R105 1/2W 150R

.

LD4

D29

5

6

BC550C

Q10

BC550C

Q11

TO92

.

BD237

Q15

 

 

R89

 

 

R139

 

 

 

 

1.0W

5.0W

4K7

1K

.

.

R101 1/2W 150R

.

RED 6405

0A2 BAT85

6

5101

5101

6787

LD5

D35

TO92

TO92

D19

TO126

MJ21196

Q4

R96 1/2W 150R

RED 6405

BAT85 0A2

W21

7

470R Taper 4529

BAT85 0A2

R91

1/4W

47R

.

6909

.TO3

TP1

1N4745A

D23

16V0

.

470U

C56

68N

C57

50V

CURRENT LIMIT

+RED

WOOFER

L1

#7462

WOOFER

SP1

7

M P22

WITH AMP COLD

 

ADJUST P22 FOR

1/4W

4 mV ACROSS TP1

AND TP2

 

R85

4R7

.

1/4W

R84

18R

 

.

R86

5.0W

R136

0R18

.

1W0

63V

2000UH

10" 2R 170W

1/4W

1K

.

R93

RED

W18

W12

.

 

 

 

3765

 

8R2

C14

 

C8

 

15.W

 

 

 

6U8

140V

4U7

100V

W15

R15

8

9

10

1/4W

R77

75R

 

.

BC560C

Q9

5102

TO92

 

 

1/4W

R79

 

 

4R7

 

 

 

.

 

 

R90

 

 

 

1/4W

 

 

 

47R

 

 

 

 

.

 

 

 

 

D41

 

 

 

0A2 BAT85

 

 

 

 

BC560C

 

 

 

 

 

 

Q13

 

 

 

 

5102

 

 

TO92

 

 

 

C60

 

 

 

 

5N6

50V

 

 

1/4W

 

1/4W

R80

R78

4K12

 

10K0

 

 

.

 

.

 

 

 

D22

4148

.

BD238

Q16

6788

TO126

BC560C

 

 

Q14

 

5102

TO92

 

4148

 

D40

 

1/4W

R82

150R

.

 

5.0W

0R18

.

TP2

MJ21195

Q17

6910

.TO3

1N4745A

D21

16V0

1W0

 

 

 

 

R92

1.0W

R88

 

5.0W

 

 

 

1K

 

4K7

 

 

.

 

.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D34

 

 

 

4007

 

 

 

 

 

 

 

AMP-OUT

470U C55

63V

68N

C59

50V

R94 1/2W 150R

.

R95 1/2W 150R

.

R141 1/2W 150R

.

RED

W14

5.0W

R97

390R

 

.

.

T

R99

1/2W

22R

.

R100

1/2W

22R

.

 

 

+YEL

 

 

TWEETER

 

 

W25

 

 

+BRN

BLK

-BLK

MID

W16

W19

 

X-OVER/AG

WOOFER

 

 

 

 

 

W44

 

 

-WHT

. Gold

R S J6

HEADPHONE

 

W5

X-OVER BOARD W45

BLK

-BLK

AG

 

+

#7464

SP2

MID

4.5" 8R 30WPGM

#7286

SP3

HORN

4.75" 8R 30W

8

9

10

11

WARNING! 120V DC IS PRESENT BETWEEN C40 TO GROUND DISCHARGE BEFORE SERVICING USE 10K 1/4 W ACROSS W24 AND W41 TO DISCHARGE.

Product K2

AMP

PCB# M1237

 

Sheet 4 of 4

Date: Fri Apr 07, 2006

Rev:V1.01

YsType:CSA#

Filename: M1237-1V01sch.sch2002

 

 

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Page 6
Image 6
Yorkville Sound YS1044 service manual Amp

YS1044 specifications

Yorkville Sound has long been recognized for its commitment to innovation and quality in the audio equipment industry. One of the standout products in their lineup is the YS1044, a versatile and robust speaker that caters to a variety of audio needs, from live performances to installations.

The YS1044 is designed with a two-way configuration, featuring a powerful 10-inch woofer and a 1-inch driver that delivers clear mid-range frequencies and crisp highs. This configuration ensures that audio playback is not only loud but also richly detailed, making it ideal for both music and spoken word applications. The speaker boasts a frequency response range from 50 Hz to 20 kHz, allowing it to reproduce a wide array of sounds effectively.

One of the defining technologies of the YS1044 is its high-efficiency amplifier. This advanced amplifier is engineered to provide ample power to the speaker while maintaining a low distortion level, ensuring that sound clarity remains intact even at higher volume levels. Additionally, the integrated protection circuit safeguards the speaker components against overheating and over-excursion, prolonging the lifespan of the product.

The YS1044 features a rugged yet stylish enclosure built from high-quality materials. The cabinet is designed to withstand the rigors of live performances, and its durable finish helps protect against scratches and dings. For added convenience, the speaker is equipped with a pole mount socket, allowing for easy integration into various setups, whether on stage or in a permanent installation.

In terms of connectivity, the YS1044 is designed with versatility in mind. It includes both XLR and 1/4" inputs, accommodating a range of audio sources and making it easy to connect to mixers or other audio equipment. The straightforward control panel allows users to adjust settings effortlessly, ensuring optimal performance tailored to any environment.

Overall, the Yorkville Sound YS1044 stands out as a powerful and flexible speaker solution. Its combination of advanced technologies, robust design, and user-friendly features makes it an excellent choice for sound professionals and enthusiasts alike. Whether for concerts, events, or permanent installations, the YS1044 delivers outstanding performance that is sure to impress.