Advertisement
A
B
C
D
E
1
2
NO
COM
3
NC
K2:B
#18
+250V
RED
W38
To W37
R7
C1
113K
1N
400V
4
R11
47K
M
C21
47N
250V
C2
47N
100V
.
#18
#18
Val
YEL
W1
YEL
W2
R1
Q1:B
1/4W
2K21
2X_TRIODE_HCT
INPUT
INPUT
5
{Body}
M
C3
47N
100V
GND
1U
R2
R3
C7
1M
1K54
R113
63V
2M2
GND
J1
47P
6
M
C93
100V
INPUT
N108
R27
1/4W
K1:A
220K
K2:A
NC
NC
N109
7
COM
COM
NO
NO
+250V
8
1N
R9
249K
C14
1N
R114
{Body}
400V
2M2
C13
400V
C16
2N2
400V
.
9
Val
Q1:A
R25
C17
1/4W
500K
1N
400V
2X_TRIODE_HCT
100K
15A
MINI
4425
{Body}
R23
P5:A
1/4W
M
GAIN
220K
330N
R5
2K2
C19
R22
10
MINI
63V
220K
SCH_SPDT
FUSE
{Value}
F1
NAmer 3A
S8
11
CE T2A
7
RED
3682
LINE
3682
FROM SWCH
LINE
BLK
W19
BLK
W20
8
CORD
DPST CE ONLY
BLK
S9
22N
RED
C81
6
275V
3682
LINE
3682
LINE IN
5
T1
BLK
W21
WHT
W22
12
GRY
{Description}
1327(E)
4
3682
FIL
GRN
W10
YEL
C82
GRY
250V
4N7
GND
3
BLK
2
9
GRN
#16
#16
#16
GRN
GRN
GRN
W41
W39
W40
3682
FIL
13
GRN
GRN
W11
CHASSIS
GND
GND
1
GND
{Function}
{Function}
1
1
W25:A
0
NET00060
0
W26:A
2
2
W25:B
0
NET00065
0
W26:B
3
3
W25:C
0
NET00089
0
W26:C
3682
14
4
4
GRY
W25:D
0
+15V
0
W26:D
5
5
W25:E
0
-15V
0
W26:E
6
6
W25:F
0
GND
0
W26:F
3682
7
7
W25:G
0
NET00196
NET00196
0
W26:G
YEL
8
8
W25:H
0
NET00026
0
W26:H
9
9
W25:I
0
NET00124
0
W26:I
3682
10
10
W25:J
0
NET00125
0
W26:J
GRY
15
11
11
W25:K
0
NET00079
0
W26:K
12
12
W25:L
0
GND
0
W26:L
M602 PCB DATABASE HISTORY
MODEL(S):-
YCV80
#
DATE
VER#
DESCRIPTION OF CHANGE
16
1
2001 05 08
1.00p0
First Prototype
2
2001 06 05
1.00p1
Remove cutouts for BE tube sockets, move ribbons cables
3
.
.
to line up, change shearing to routing
D
V
N
4
5
.
.
Added Skrn outline to BE tube sockets
6
2001 08 13
1.00
Value changes to tweak sound
7
2001 09 20
2.00
Add C166 10N across R122
8
.
.
Move C93 47P to be across R2
9
.
.
Add R160 10K from wiper to top of P13
10
.
.
Add R159 in series with Q20 output.
17
11
2001 10 10
2.10
pc#6544 D6 30V ->33V, C19 150N ->330N, C20 330N->470N,
12
.
.
C15 1N->470P, C17 470P->1N, R23,R23 470K->220K
13
.
.
C39, C40 100N->10N
M602.PCB_DATABASE_HISTORY
MODEL(S):-
YCV80
#
DATE
VER#
DESCRIPTION OF CHANGE
REF
1
2001 10 17
2.20
PC#6456 C16 1N TO 2N2, R148 10K TO 8K2
2
.
.
C11 220p TO 470p
P1,P6
18
P2,P7
3
NOV 30 2001
2.30
PC#6475 REPLACE R125,R122,C87,Q21 WITH D6,D22,D23,D24
P3,P8
4
D25,D26 51V ZENER IN SERIES
5
C66 220N/250V TO 10u/450V
P5
6
FEB 26, 2002
2.40
PC#6512 D11,12,13,14 MR854 TO 1N5408
P11
P12
7
MAR 26, 2002
2.50
ADD TRANSFORMERS
P10
8
JUN 27 2002
2.60
PC#6541 R124 100K TO 47K
P13
9
SEP 03,2002
2.70
R124 47K TO 100K, D25 TO A JUMPER
10
D
V
N
P4,P9
11
D
V
N
R
R
12
D
V
N
19
R
13
D
V
N
A
B
C
D
E
F
G
H
I
J
R15
1/4W
100K
MINI
6N8
C83
100V
R146
R145
1/4W
1/4W
100K
100K
MINI
MINI
WHT
R126
1/4W
1M
R19
C9
1/4W
3N3
100V
220K
R147
24K
R13
R20
1/4W
1/4W
22K
220K
1N4148
C85
C86
220P
1N
400V
330P
C10
+250V
100V
R8
113K
100K
1B
C23
4424
C11
470P
P1:A
470P
50V
TREBLE
C12
10N
250V
500K
.
15A
Val
4425
R18
Q2:A
1/4W
P2:A
100K
2X_TRIODE_HCT
BASS
MINI
{Body}
500K
R26
15A
470K
4425
P4:A
M
VOLUME
22U
R21
R4
20K
C8
15A
1M
1K5
50V
4423
BRIGHT
BRIGHT
S1:A
S1:B
P3:A
MID
3522
3522
WHT
GND
+250V
C6
470P
100V
100K
R152
R10
1B
62K
R12
113K
4424
R16
39K
1/4W
P6:A
100K
M
TREBLE
MINI
C22
C4
47N
250V
47N
100V
4N7
C24
500K
15A
250V
.
4425
Val
500K
P7:A
Q2:B
15A
M
BASS
4425
C18
2X_TRIODE_HCT
P9:A
100N
{Body}
M
VOLUME
C5
47N
100V
R158
82K
MINI
20K
470N
R6
15A
1K5
C20
4423
63V
P8:A
M
MID
GND
3682
HI.V
RED
W5
D11
1N5408
3682
HI.V
RED
W6
D12
1N5408
N52
N85
D13
R140
1N5408
1/8W
100R0
FLMP
D14
R141
1/8W
1N5408
Q8:B
Q9:B
Q10:B
Q11:B
100R0
GND
PENTODE
PENTODE
PENTODE
PENTODE
FLMP
.
.
.
.
U4
+15V
LO.V
MC7815CT
W7
D15
IN
OUT
.
6872
.
4004
470U
470U
100U
R142
100N
D17
C75
C76
TO220
C73
1/2W
C80
Q12:C
18R
25V
25V
25V
100V
2X_TRIODE_HCT
C.T.
4004
.
W8
D16
470U
470U
100U
100N
4004
LO.V
C77
C78
C74
C79
TO220
W9
D18
25V
25V
25V
100V
6871
.
Q1:C
Q2:C
R143
2X_TRIODE_HCT
4004
.
2X_TRIODE_HCT
1/2W
.
IN
OUT
.
MC7915CT
18R
-15V
R144
U5
1/2W
18R
POTLIST
YCV80
MODEL(S):-
FUNCTION
PART#
KNOB
{NEW}
TREBLE
4424
8430
N
BASS
4425
8430
N
MID
4423
8430
N
GAIN
4425
8430
N
EFF.SEND
4497
N/A
N
EFF.RETURN
4497
N/A
N
PRESCENCE
4423
8430
N
REVERB
4423
8430
N
VOLUME
4425
8430
N
F
P
K
N
F
P
K
N
"STYLE_P32"
"STYLE_P29"
F
P
K
N
F
G
H
I
J
K
L
M
N
+15V
TL072CP
R115
U9:C
1/4W
68K
U9:A
3N3
C84
-15V
WHT
100V
TL072CP
R116
D20
1/4W
18K
U9:B
50V
R133
100K
MINI
K1:C
R28
1/4W
100V
27K
R14
1/4W
100K
MINI
C+
C-
R30
2K2
4148
D1
MPSA06
MPSA06
R45
Q3
Q4
1/4W
5103
5103
1K
TO92
TO92
22U
C25
50V
R17
1/4W
-15V
1M
K1:B
K2:C
NC
COM
NO
C-
C+
4148
D2
NET00063
C27
R29
1N
400V
1/4W
MPSA06
47K
WHT
N309
BC550C
Q5
+15V
5103
Q7
TO92
5101
R44
R150
C89
2K2
1/4W
10N
100V
MINI
33K
BC550C
R151
22K
Q23
100V
5101
-15V
TO92
C88
R41
150N
63V
100K
MINI
R148
R149
R24
1/4W
1/4W
4K7
8K2
12K
150N
-15V
C90
63V
6880
4N35
N87
IRF830
R130
1.0W
D
S
U6:A
Q19
0R47
N
FLMP
6730
R132
TO220
220R0
G
{Function}
FLMP
R131
1/4W
1M
TO92
R157
D8
R129
5101
220K
470R
Q22
10MM
4004
BC550C
R128
1/4W
10V0
1N5240BRL
680K
D7
0W5
6880
220N
82U
82U
4N35
C67
6
C69
C70
250V
450V
450V
5
220N
4
U6:B
C68
250V
R127
1/4W
2M2
GND
+250VRAW
Hi-Reg
+250V
R123
R121
MJE340
R159
5.0W
1/2W
1/8W
390R
8K2
Q20
220R0
20K
FLMP
#18
6873
15A
RED
W37
4423
TO126
R124
P10:A
1/4W
To W38
M
Master
100K
10U
10U
10U
D21
C62
C63
C64
10U
1N5262B
450V
450V
450V
C66
51V0
0W5
450V
1N5262B
D6
51V0
0W5
GND
4004
R137
C65
1/4W
100N
250V
D10
2K2
MINI
0W5
63V
R138
R139
51V0
R136
C72
36K
36K
1M
63V
D9
100U
C71
1N5262B
10U
GND
.
1
.
1
W29:A
0
GND
0
W30:A
2
2
W29:B
0
NET00147
0
W30:B
3
3
W29:C
0
+15V
0
W30:C
4
4
W29:D
0
GND
0
W30:D
5
5
W29:E
0
-15V
0
W30:E
6
6
W29:F
0
NET00165
0
W30:F
7
7
W29:G
0
NET00095
0
W30:G
8
8
W29:H
0
GND
0
W30:H
9
9
W29:I
0
NET00066
0
W30:I
K
L
M
N
O
P
Q
R
S
C29
220P
100V
R43
W24
CH2
1/4W
R35
100K
LD4
4K7
MINI
+15V
GRN
+15V
U1:C
R36
2K
R31
10K
GND
C26
-15V
100N
100V
R40
100R
R38
47R
330N
BC560C
C30
CH1
Q15
63V
BC550C
LD2
5102
T
R
R34
YEL
Q6
1/4W
TO92
CH-SELECT
CH-SELECT
5101
10K
Gold
Gold
R46
S2:A
S2:B
R48
TO92
4K7
10K
3522
3522
GND
D19
4148
N307
R39
R37
R32
47R
220R
10K
N308
BC560C
Q16
BOOST
5102
LD1
R33
TO92
RED
1/4W
10K
BOOST
BOOST
R42
R47
TO92
22U
S3:A
S3:B
10K
4K7
C28
3522
3522
50V
GND
W23
+15V
R119
1/4W
SPKR.DEFEAT
24K
R135
R134
3436
NET00080
1K
470R
S5:B
TL072CP
NET00147
STANDBY
U1:A
LD5
GND
1
YEL
STANDBY
STANDBY
NET00081
S5:A
2
S7:A
S7:B
3436
3522
3522
SPKR.DEFEAT
OPERATE
GND
LD3
RED
GND
R98
NET00170
TL072CP
1K5
R101
D3
1/4W
4148
4K7
C53
C52
C51
U8:B
330N
63V
330N
63V
330N
63V
3N3
R99
R100
100V
33K
36K
R73
1/4W
220K
.
A1SENS
Val
Q9:A
R53
R65
1.0W
.
C42
1/4W
PENTODE
220R
Val
22N
400V
FLMP
820R
{Body}
Q12:B
C39
R72
R69
10N
100V
82K
220K
2X_TRIODE_HCT
A1SENS
MINI
R75
{Body}
R61
1M
10R
FLMP
-ABIAS
R77
R74
1/4W
1/4W
10K
470R
-BBIAS
R62
R76
10R
1M
FLMP
{Body}
R71
R70
B1SENS
2X_TRIODE_HCT
100K
220K
C40
MINI
10N
100V
Q12:A
{Body}
R68
C43
Val
1/4W
PENTODE
R60
22N
400V
.
820R
1.0W
Q10:A
220R
C41
FLMP
B1SENS
Val
82N
100V
.
NET00096
R78
4K7
R156
10K
+15V
R79
39K
R81
A1SENS
1/4W
GND
47K
MPSA56
MPSA56
R80
Q13
Q14
A2SENS
1/4W
5104
5104
47K
220N
TO92
C44
63V
R84
R85
22U
27K
27K
C47
50V
GND
-ABIAS
O
P
Q
R
S
T
U
V
W
X
T
R
S
Gold Gold
.
R55
R87
1/4W
1/4W
10K
47K
GND
R49
+15V
C31
1/4W
220P
100V
620R
10K
MINI
B LIN
4497
C33
TL072CP
P11
33U
16V
R50
M
EFF.SEND
U2:C
1/4W
TL072CP
620R
U2:A
MINI
T
R
S
U1:B
C32
GND
220P
100V
-15V
.
.
.
R56
R86
R120
1/4W
1/4W
10K
GND
10K
47K
C34
220P
100V
GND
R88
Effects Insert
1/4W
24K
J11
S
10K
GND
R57
B LIN
U2:B
1/4W
4497
R90
10K
C91
.
1/4W
P12
33U
16V
4K7
R58
M
EFF.RETURN
TL072CP
T
R
S
GND
1/4W
10K
R89
.
.
.
1/4W
24K
GND
GND
C35
220P
100V
+15V
REV.SEND
C38
RCA SNGL PCB MT HORZ
U7:B
100N
100V
4148
C37
D5
D4
U7:C
100U
25V
4148
TL072CP
J9
R155
3914
100K
R52
R51
MINI
1/4W
1/4W
10K
1K
-15V
R97
C36
1/4W
R160
4K7
47N
100V
10K
33U
C92
R91
33R
16V
GND
20K
C50
U7:A
15A
100N
100V
4423
R96
P13:A
R95
100K
M
REVERB
4K7
TL072CP
MINI
R94
R92
REV.RETURN
1/4W
1/4W
180K
18K
GND
R93
C49
C46
1/4W
J10
470P
100V
22N
100V
12K
GND
3914
R117
R154
1/4W
1/4W
4K7
+15V
220R
MPSA06
C61
Q18
33U
16V
5103
+15V
TO92
R153
R111
1/4W
47R
R118
220R
1/4W
TL072CP
10K
R110
U3:C
1/4W
T
R
S
33U
470R
C59
U3:B
R112
.
.
.
16V
GND
47R
MPSA56
-15V
Q17
GND
5104
TO92
-15V
C57
220P
100V
GND
R108
R106
C60
+15V
1/4W
1/4W
33U
16V
10K
10K
68N
TL072CP
C54
TL072CP
R104
100V
1/4W
U8:C
LINE.OUT
620R
R103
R102
MINI
U3:A
1/4W
1/4W
U8:A
R105
4K7
4K7
1/4W
R109
R107
620R
680P
1/4W
1/4W
MINI
C55
C56
-15V
10K
10K
GND
100V
3923
C58
220P
100V
GND
#18
YEL
W36
SPKR
#18
3682
PLATE
YEL
W34
BLU
W12
.
Val
SPKR
Q8:A
R54
3682
SPKR
#18
R66
1.0W
GRN
W16
YEL
1/4W
PENTODE
220R
W17
FLMP
5
820R
{Body}
BLU
SPKR
A2SENS
NET00093
2
R63
3682
B+
GRN
#18
10R
RED
W13
BLK
W35
FLMP
RED
GND
4
T
R
S
T2
#18
R64
GND
BLK
10R
{Description}
W33
.
.
.
FLMP
1327M
1
3682
SPKR
B2SENS
GND
BLK
W15
BLK
NET00094
3
{Body}
GND
R67
BRN
1/4W
PENTODE
R59
820R
1.0W
Q11:A
220R
#18
FLMP
Val
BLK
W32
B2SENS
.
3682
PLATE
#18
BRN
W14
GND
YEL
W31
SPKR
T
R
S
.
.
.
R83
1/4W
B1SENS
47K
R82
1/4W
B2SENS
47K
TO92
220N
C45
22U
63V
C48
50V
GND
-BBIAS
Product
YCV80
Guitar Amp
PCB#
M602
Date:
Tue Sep 03, 2002
Rev:
Filename:
M602 SCH V2.60.SCH2001
T
U
V
W
X
Y
1
2
FT.SWITCH
J2
3
4
EFF.SEND
J3
5
6
EFF.RETURN
J4
7
8
9
10
HEADPHONES/LINE.OUT
J5
11
12
J8:A
13
14
#18
BLK
W18
GND
15
SPEAKER OUT
J7
16
SPEAKER OUT
J6
17
18
Sheet
1
of
2
19
2.70
Y
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