YORKVILLE Custom Valve YCV50, Service Manual

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5

4

4

3

3

2

2

1

1

A

A

B

B

C

C

D

D

E

E

F

F

G

G

H

H

I

I

J

J

K

K

L

L

M

M

N

N

O

O

P

P

Q

Q

R

R

S

S

T

T

U

U

V

V

of

Filename:

PCB#

Sheet

5

1

Product

Date:

Rev:

YsType:

X8004V15sch.sch2006

X8004

Input/Pre

Mon Oct 20, 2014

V15

YCV40/YCV50BLUE

C82

400V

2N2

R

A

D

    .2

in

C37

100V

6N8

R

A

D

    .2

in

YCV50BLUE

C85

400V

2N2

RAD    .2in

C17

250V

10N

M613

W1

TO W4

.

BLK

W2

TO W3

.

YEL

P1:A

4425

M

15A

500K

DRIVE

3700

K1:A

R4

1/4W

.

47K

R7

1/

4W

.

1K5

R6

1/

4W

.

113K

R1

1/

4W

.

113K

R10

1/

4W

.

120K

R8

1/

4W

.

120K

R15

1/

4W

.

47K

R114
1/4W

.

100K

R9

1/

4W

.

120K

R12

1/

4W

.

1K5

C27

63V

330N

R

A

D

    .2

in

R11

1/4W

.

113K

C35

100V

220P

RAD CER.2in

DOWN

UP

S1:A
3522

Alternate

Modern

C19

250V

100N

R21

1/4W

.

100K

R56

1/4W

.

100K

R58

1/4W

.

470K

R57

1/4W

.

470K

C34

100V

6N8

RAD    .2in

C21

100V

47N

RAD    .2in

C20

100V

47N

RAD    .2in

C32

100V

470P

RAD CER.2in

R16

1/

4W

.

1M

DOWN

UP

S1:B
3522

Alternate

Modern

C15

50V

22U

R17

1/

4W

.

1K5

C24

400V

22N

R24

1/4W

.

47K

R20

1/

4W

.

100K

R22

1/4W

.

100K

C71

100V

470P

RAD CER.2in

RING

J1

INP

U

T

C80

400V

1N

R

A

D

    .2

in

R2

1/

4W

.

1M

W20

TO W25

.

RED

R3

1/

4W

.

1K5

3700

K2:B

P6:A

4423

M

15A

20K

MID

P7:A

4425

M

15A

500K

BASS

P8:A

4424

M

1B

100K

TREBLE

P9:A

4425

M

15A

500K

CLEAN VOLUME

R79

1/

4W

.

30K

P2:A

4424

M

1B

100K

TREBLE

P3:A

4425

M

15A

500K

BASS

P4:A

4423

M

15A

20K

MID

R53

1/

4W

.

33K

YCV40

C18

200V

1N5

RAD CER.2in

C22

100V

47N

RAD    .2in

C23

100V

47N

RAD    .2in

R14

1/4W

RAD

100K

M581

3700

K2:A

W4

TO W1

.

BLK

W3

TO W2

.

YEL

C26

63V

220N

R

A

D

    .2

in

This part is stuffed ONLY
on M613 (YCV50BLUE)

This part is stuffed ONLY
on M581 (YCV40)

S6:

B

3522

UP

Alternate

DOWN

BRI

G

HT

C16

250V

100N

C33

400V

1N

RAD    .2in

R13

1/

4W

.

47K

R19

1/

4W

.

470K

R112
1/4W

.

27K

R23

1/4W

.

100K

R18

1/

4W

.

113K

R5

1/4W

MINI

220K

{Body}

V2:A

Val

2X_TRIODE_HCT

PRE-AMP

C81

400V

2N2

R

A

D

    .2

in

UP

Alternate

S6:

A

3522

DOWN

BRI

G

HT

3700

K1:B

P5:A

4425

M

15A

500K

MASTER

C83

100V

150P

RAD CER.

2i

n

{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

C31

50V

5425

1N8

1N

C31

5422

R52

xxW

WJ

{Body}

R52

WJ

4599

47K

4834

C1

50V

5631

C1

22U

1U

5254