YORKVILLE YCV50B - SERVICE, Service Manual

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of

Filename:

PCB#

Sheet

6

1

Product

Date:

Rev:

YsType:

X8004v1400sch.sch2002

X8004

Input/Pre

Wed Oct 08, 2008

v14.00

YCV40/YCV50BLUE

of

Filename:

PCB#

Sheet

6

1

Product

Date:

Rev:

YsType:

X8004v1400sch.sch2002

X8004

Input/Pre

Wed Oct 08, 2008

v14.00

YCV40/YCV50BLUE

YCV50BLUE

C85

400V

2N2

C17

250V

10N

M613

W1

TO W4

{AWG}

BLK

W2

TO W3

{AWG}

YEL

P1:A

4425

M

15A

500K

DRIVE

3700

K1:A

R4

1/4W

.

47K

R7

1/4W

.

1K

5

R1

1/4W

.

113K

R1

0

1/4W

.

120K

R8

1/4W

.

120K

R1

5

1/4W

.

47K

R9

1/4W

.

120K

R114
1/4W

.

100K

R1

2

1/4W

.

1K

5

R11

1/4W

.

113K

C35

100V

220P

DO

W

N

UP

S1:A
3522

Alternate

Modern

C19

250V

100N

R21

1/4W

.

100K

C21

100V

47N

C20

100V

47N

C32

100V

470P

R1

6

1/4W

.

1M

DO

W

N

UP

S1:B
3522

Modern

Alternate

C1

5

50V

22U

R1

7

1/4W

.

1K

5

C24

400V

22N

R24

1/4W

.

47K

R2

0

1/4W

.

100K

R22

1/4W

.

100K

C71

100V

470P

RING

J1

IN

P

U

T

C8

0

400V

1N

R2

1/4W

.

1M

R3

1/4W

.

1K

5

W20

TO W25

{AWG}

RED

3700

K2:B

P8:A

4424

M

1B

100K

TREBLE

P6:A

4423

M

15A

20K

MID

P7:A

4425

M

15A

500K

BASS

P9:A

4425

M

15A

500K

CLEAN VOLUME

R7

9

1/4W

.

30K

P4:A

4423

M

15A

20K

MID

P2:A

4424

M

1B

100K

TREBLE

P3:A

4425

M

15A

500K

BASS

R5

3

1/4W

.

33K

YCV40

C18

200V

1N5

C22

100V

47N

C23

100V

47N

R14

1/4W

RAD

100K

M581

3700

K2:A

W4

TO W1

{AWG}

BLK

W3

TO W2

{AWG}

YEL

This part is stuffed ONLY
on M613 (YCV50BLUE)

This part is stuffed ONLY
on M581 (YCV40)

S6

:B

3522

UP

Alternate

DO

W

N

BRI

G

HT

C16

250V

100N

C33

400V

1N

R1

9

1/4W

.

470K

R112
1/4W

.

27K

R23

1/4W

.

100K

R1

8

1/4W

.

113K

R5

1/4W

MINI

220K

{Body}

V2:A

Val

2X_TRIODE_HCT

PRE-AMP

UP

Alternate

S6

:A

3522

DO

W

N

BRI

G

HT

3700

K1:B

P5:A

4425

M

15A

500K

MASTER

{Body}

V2:B

Val

2X_TRIODE_HCT

PRE-AMP

RefDes  Value/YSpart#    Value/YSpart#

V1:B

2X_TRIODE_HCT
{Body}

Val

PRE-AMP

V1:A

2X_TRIODE_HCT
{Body}

Val

PRE-AMP

R1

3

1/4W

.

4834

47K

33K

R13

4840

C3

1

50V

5425

1N8

1N

C31

5422

R6

1/4W

.

4776

113K

249K

R6

6145

C8

2

400V

C82

2N2

5208

470P

5201

C2

7

63V

C27

330N

5233

470N

5234

C2

6

63V

5231

220N

330N

C26

5233

C8

1

400V

5208

2N2

1N

C81

5206

C8

3

100V

C83

150P

5196

4N7

5209

C1

50V

5631

C1

22U

1U

5254

R57

1/4W

.

R57

4843

470K

220K

6126

R56

1/4W

.

R56

4838

100K

47K

4834

C3

7

100V

C37

5272

6N8

1N5

5273

C34

100V

C34

5272

6N8

4N7

5209

R58

1/4W

.

R58

4843

470K

220K

6126

R52

xxW

WJ

{Body}

R52

WJ

4599

47K

4834