17
17
16
16
15
15
14
14
13
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
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
Product
Date:
Filename:
PCB#
of
Sheet
Rev:
2
1
4V00
M613-4V00sch.sch2002
YCV50
Mon Sep 11, 2006
M613
TUBE GUITAR AMP
Product
Date:
Filename:
PCB#
of
Sheet
Rev:
2
1
4V00
M613-4V00sch.sch2002
YCV50
Mon Sep 11, 2006
M613
TUBE GUITAR AMP
W8
3682
W12
3682
1/4W
120K
R1
0
1/4W
2M
2
R8
1
4148
D1
5
4148
D2
3
W21
3682
100N
100V
C1
1
1/4W
10K
R2
8
100N
100V
C6
8
1N
5262B
51V0
D1
4
0W
5
3682
W10
W13
3682
1/4W
120K
R8
100N
100V
C5
7
C5
25V
100U
C5
5
450V
82U
C4
1
450V
10U
C7
0
50V
22U
C4
50V
22U
1/4W
100K
R3
7
W26
3682
116Vdc
+400Vdc
51V0
D20
0W5
1N5262B
C9
100U
16V
1/4W
1K
R111
+168Vdc
1/4W
470R
R47
+28Vdc
+170Vdc
-38Vdc
-37Vdc
1324M
IEC_RECT
1/4W
1M
R7
3
-50Vdc
22N
275V
C5
3
W9
3682
C4
4
63V
10U
1/4W
2K2
R74
4007
D11
B E
TO-92
C
3Vac
3Vac
W27
3682
W28
3682
1/4W
36K
R
113
100N
250V
C52
330N
63V
C2
6
1/4W
1K5
R7
1N
400V
C8
1
1/4W
1M
R2
4007
D4
4007
D5
4007
D6
4007
D3
+33Vdc
1N
50V
C3
1
1N5
200V
C18
+249Vdc
1/4W
MIN
I
220K
R5
C1
63V
1U
1/4W
1K5
R3
C16
47N
250V
+249Vdc
+24Vdc
NTC
10K
R6
3
6467
63V
C2
7
470N
159Vdc
47N
100V
C22
47N
100V
C23
1N
400V
C33
4007
D10
4007
D9
1.2Vdc
100N
250V
C19
+249Vdc
1/4W
47K
R56
220N
C2
8
250V
RE
D
LD
2
6398
1.0W
Mi
ni
1K
R5
4
1/4W
100K
R21
1/4W
.
220K
R57
1/4W
.
220K
R58
1/4W
R106
100K
1/4W
.
330K
R5
0
1/4W
.
330K
R9
8
1/4W
470K
R
103
1/4W
4K7
R5
5
1/4W
1K5
R1
7
1/4W
1M
R1
6
1/4W
113K
R1
8
51V0
D19
0W5
1N5262B
51V0
D18
0W5
1N5262B
51V0
D22
0W5
1N5262B
51V0
D21
0W5
1N5262B
+410Vdc
+415Vdc
1/4W
120K
R6
8
1/4W
47R
R66
4148
D1
6
1/4W
R97
10K
1/4W
47K
R64
22N
400V
C24
1/4W
27K
R112
+249Vdc
47P
100V
C63
200V
2N2
C75
8
V+
4
V-
U1:C
1/4W
R7
0
18K
1/4W
R
119
18K
1/4W
100K
R23
C6
1
50V
22U
1/4W
47K
R79
220N
63V
C2
9
5104
TO92
MPSA56
Q4
1/4W
10K
R7
1
C12
50V
22U
1/4W
2K2
R3
4
4148
D1
1.0W
Mi
ni
1K
R8
8
MPSA06
5103
Q11
TO92
1/4W
27K
R7
7
C6
2
50V
22U
Q5
5104
TO92
MPSA56
220N
63V
C3
0
82N
100V
C51
1/4W
4K7
R4
9
1/4W
10K
R48
10N
100V
C47
1/4W
10K
R32
C6
9
63V
2U
2
1N
50V
C46
MPSA06
Q3
TO92
5103
K1:C
-38Vdc
PRE-AMP
12AX7A
V3:A
1/4W
470K
R51
2N2
400V
C36
1/2W
2K
R2
6
100N
C45
50V
1/4W
47R
R8
5
1/4W
10K
R31
1/2W
2K
R2
9
1/4W
4K7
R9
9
G
RN
LD
5
5908
CHNL
2
+249V
1/4W
MIN
I
220K
R4
2
1/4W
820R
R87
DO
W
N
UP
S4
:B
1/4W
100R
R8
4
FL
M
P
R9
2
1.0W
10R
-36 to
-38Vdc
V4:A
Val
W18
3682
1.0W
FLMP
220R
R89
1/4W
27K
R40
470P
100V
C65
C6
7
470N
63V
1/4W
100K
R3
9
C1
4
50V
22U
1/4W
100K
R3
8
1/4W
MIN
I
10K
R5
9
C2
50V
22U
1/4W
10K
R107
1/4W
10K
R108
1/4W
620R
R61
T2A
F1
RING
J1
W11
3682
4N
7
250V
C5
4
BLACK
W1
YELLOW
W2
K1:A
1N
400V
C8
0
W16
3682
1/8W
FL
M
P
100R
0
R9
6
1/8W
FL
M
P
100R
0
R9
5
12AX7A
PRE-AMP
V1:B
1/4W
.
R6
249K
1/4W
47K
R4
C3
8
63V
470U
V5:B
Val
1/4W
120K
R9
1/4W
113K
R1
R5
3
1/4W
.
2K7
1/4W
47K
R1
5
2.0W
10MM
220K
R
110
2X_TRIODE_HCT
V2:C
1N5250B
20V0
D24
0W5
M
15A
500K
P9:A
CL
E
AN V
O
L
UM
E
470P
1000V
C8
2
250V
220N
C8
4
4007
D1
2
C3
9
450V
10U
M
15A
20K
MID
P4:A
1/4W
2K2
R52
YEL
LD
1
6399
DO
W
N
UP
BRIGHT
S6
:B
M
1B
100K
TREBLE
P2:A
R94
8K2
1/2W
C4
0
450V
10U
C6
0
450V
10U
BC550C
5101
Q12
TO92
1/4W
470R
R102
1/4W
2K2
R101
M
15A
500K
MASTER
P5:A
R1
04
2.0W
10MM
150K
W19
RED
3682
Q10
MJE340
C1
0
50V
22U
2.0W
.
3R
9
R1
00
8
V+
4
V-
U2:C
16V
C8
100U
1/4W
470K
R1
9
1/4W
100K
R2
0
MPSA06
Q2
5103
TO92
M
{T}
P12
4520
10K
BIAS
100N
100V
C48
K2:C
4148
D2
1/4W 82K
R4
3
PRE-AMP
V3:B
12AX7A
1/4W
2K2
R3
0
1/4W
100R
R8
3
3700_DRW
1/4W
820R
R86
1/4W
MIN
I
220K
R4
1
FL
M
P
R9
1
1.0W
10R
V5:A
OUTPUT
Val
DO
W
N
UP
S5
:B
C3
50V
22U
W17
3682
100N
100V
C25
1.0W
FLMP
220R
R90
1/4W
100K
R3
6
3682
W15
C6
50V
22U
W14
3682
S
T
R
-
-
-
J4
PRE-AMP-OUT
S
T
R
Gold
.
.
P
W
R-AM
P
-I
N
J3
"STYLE_P32"
M
500K
15A
P1:A
DRIVE
C B
TO-126
E
MJE340
M
15A
500K
BASS
P3:A
+1.2Vdc
+158Vdc
4148
D1
7
47N
100V
C21
1/4W
47K
R24
+162Vdc
+249Vdc
4N7
250V
C64
220P
100V
C66
SPST Switch
S7
1/4W
36K
R7
5
C1
3
63V
100U
0.8Vdc
1/4W
100K
R114
2N2
400V
C17
RED
W20
10V0
D1
3
0W5
1N
5240BR
L
4007
D7
4007
D8
BC550C
Q9
TO92
5101
1/4W
1K5
R1
2
C7
50V
22U
47N
100V
C20
1/4W
113K
R1
1
470P
100V
C32
+1.2Vdc
C1
5
50V
22U
PRE-AMP
12AX7A
V2:B
220P
100V
C35
K2:B
4N7
250V
C34
1/4W
27K
R7
6
-37Vdc
1/4W
47K
R80
1/4W
.
16K
R7
8
1/4W
1M
R72
1/4W
1K5
R3
5
U1:B
NE5532N
M
15A
20K
R
EVER
B
P11:A
1/4W
1M
R4
6
J7
REVERB RTN
M
P10:A
20K
15A
MA
STER
VO
LU
ME
1/4W
10K
R67
RE
D
LD
4
5906
BOOST
BC550C
Q7
5101
TO92
1/4W
2K2
R2
7
1/4W
10K
R2
5
1/4W
100K
R22
BC550C
Q6
TO92
5101
470P
100V
C71
-36 to
-38Vdc
22N
400V
C50
1/4W
100K
R4
4
22N
400V
C49
1/4W
R62
270K
DO
W
N
UP
BOOST
S4
:A
YEL
LD
3
5907
CHNL
1
1/4W
100K
R109
S
T
R
-
-
-
OUTPUT
J5
OUT
IN
GND
7824
6731
Q1
TO220
{Voltage}
{Body}
V3:C
12AX7A
V4:B
W3
YELLOW
BLACK
W4
K2:A
{Body}
2X_TRIODE_HCT
PRE-AMP
12AX7A
V1:A
8K2
1/2W
R94B
5.0W
1K
R93
4
6
5
4N35
6880
U3:B
1
2
4N35
6880
U3:A
2X_TRIODE_HCT
V1:C
S3:B
DO
W
N
UP
S3:A
STANDBY
R3
3
1/4W
RA
D
47K
4N
7
250V
C8
3
1/4W
47K
R6
5
DO
W
N
UP
S6
:A
M
15A
20K
MID
P6:A
M
15A
BASS
P7:A
500K
M
100K
1B
TREBLE
P8:A
1/4W
.
33K
R1
3
1/4W
RAD
100K
R14
1N
5
50V
C3
7
1/4W
120K
R6
9
1/4W
1M
R4
5
J8
REVERB SEND
K1:B
1/4W
47R
R8
2
1/4W
1K
R
105
1
2
3
5
4
GRN
BLK
BRN
OUTPUT XFMR
RED
BLU
T1
DO
W
N
UP
CHANNEL
S5
:A
U1:A
NE5532N
S
T
R
-
-
-
J6
EXTENSION
C5
6
50V
22U
1/4W
R6
0
620R
S
T
R
Gold Gold
.
FOOTSWITCH
J2
8
7
2
4
3
6
5
1
BLK
BLK
T2
1324
Transformer
RED
RED
GRY
YEL
GRY
GRN
GRN
B C
TO-92
E
MPSA06
D S
G
TO-220
IRF830
U2:B
NE5532N
PRE-AMP
12AX7A
V2:A
U2:A
NE5532N
G
D
S
IRF830
Q8
9
10
11
12
13
MODEL(S):-
DATE
VER# DESCRIPTION OF CHANGE
#
1
2
3
4
5
6
7
8
PC#6965, MOVE ARC TRACE AWAY FROM TUBES
PC#6937, MODIFY TUBE SOCKET ROUTING AND DRILLING
AH: Moved some parts, Autoinsert needs more space
GT:PC#6886:ADD #4520 TRIMPOT 10K, R78->#4876 16R
GT:PC#6889: X61 #4599 --> 1K #4823 RESISTOR
.
.
.
3.00
.
.
.
.
MAY-27-2005
.
GT:PC#6865:STDBY FIX, ADDED #4599 x 3 AND #5299 x 1
GT:PC#6836:R78 27K #4833 --> 18K7 #5021 for bias
GT:PC#6776 MOVED TOP MULTIPLE TO ADD ZIPPER
R53->3K9 (4850), R62->270K (4879), C19->100N (5865)
Increased route cutaway on preamp board
20V0 (6465), ADD R104: 150K/2W (4790)
GT: PC#6748 R101 -> 2K2 (4847), R55 -> 4K7 (4827), D24 ->
2.20
2.10
.
.
.
.
2.00
1.00
MAR-04-2005
DEC-02-2004
.
.
.
OCT-15-2004
YCV50
M613 REVISION HISTORY
GT:DERIVED FROM M581 V11.00
SEPT-23-2004
APR-26-2005
NA: BIAS 350 mV ACROSS R91
AND 350mV ACROSS R92
CE: BIAS 300 mV ACROSS R91
AND 300mV ACROSS R92
12
9
6
3
13
10
11
7
4
1
2
5
8
V
.
.
3.01
V
V
V
4.00
.
.
.
D
.
.
DEC-14-2005
N
TO S6)
PC#7053:GT:R53 4850 3K9->4864 2K7, NEW BIAS FOR CE
D
D
D
.
.
.
NOV-25-2005
N
N
N
BALVINDER CORRECTED TESTNODE PADS
PC#6967, INCREASE CLEARANCS NEAR OUTPUT TUBES
SPACED W8 TRACE 6MM FROM SCREW HOLE
PC#7041:GT:UPDATED BIAS NOTE FOR R91&R92
UPDATED K1,K2 FOR CLINCH
PC#7125:GT:CHANGE #3914 RCA JACK TO #6541.
PC#7091:ENLARGE HOLE SIZE FOR #3522 KINK LEADS (S3
.
.
MAY-17-2006
.
