Yorkville Sound YS1044 W20 A, W20 B, Ribbon Cable, W20 C, W20 D, W20 E, W20 F, 10 2R 170W

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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