Advertisement
A
B
C
D
E
1
2
K2:B
3
#18
RED
+250V
W38
To W37
R7
C1
113K
1N
400V
.
4
R11
47K
M
.
C21
47N
250V
C2
47N
100V
#18
#18
YEL
YEL
V1:B
W1
W2
R1
1/4W
2K21
2X_TRIODE_HCT
5
INPUT
INPUT
.
M
C3
47N
100V
1U
R2
R3
C7
1M
1K54
R113
63V
.
.
2M2
.
J1
47P
6
M
C93
100V
R27
1/4W
220K
.
K1:A
K2:A
7
+250V
8
1N
R9
249K
C14
R114
.
400V
1N
2M2
C13
.
400V
C16
2N2
400V
9
V1:A
R25
C17
1/4W
500K
1N
400V
2X_TRIODE_HCT
100K
15A
MINI
4425
R23
P5:A
1/4W
M
GAIN
220K
.
330N
R5
2K2
C19
R22
10
MINI
63V
220K
.
FUSE
SCH_SPDT
{Value}
F1
NAmer 3A
S8
11
CE T2A
7
3682
FROM SWCH
RED
3682
LINE
LINE
BLK
W20
BLK
W19
8
CORD
DPST CE ONLY
BLK
S9
22N
RED
C81
6
275V
5
3682
LINE
3682
LINE IN
T1
12
BLK
W21
WHT
W22
GRY
1327(E)
3682
FIL
4
GRN
W10
YEL
C82
GRY
250V
4N7
3
BLK
2
9
GRN
#16
#16
#16
GRN
GRN
GRN
W41
W39
W40
3682
FIL
13
GRN
GRN
W11
1
CHASSIS
GND
GND
GND
{Function}
{Function}
1
1
W25:A
12
NET00060
12
W26:A
2
2
W25:B
12
NET00065
12
W26:B
3
3
W25:C
12
NET00089
12
W26:C
3682
14
4
4
GRY
W25:D
12
+15V
12
W26:D
5
5
W25:E
12
-15V
12
W26:E
6
6
W25:F
12
GND
12
W26:F
3682
7
7
W25:G
12
NET00196
12
W26:G
YEL
8
8
W25:H
12
NET00026
12
W26:H
9
9
W25:I
12
NET00124
12
W26:I
3682
10
10
W25:J
12
NET00125
12
W26:J
GRY
15
11
11
W25:K
12
NET00079
12
W26:K
12
12
W25:L
12
GND
12
W26:L
M602 PCB DATABASE HISTORY
MODEL(S):-
YCV80
MODEL(S):-
#
DATE
VER# DESCRIPTION OF CHANGE
#
DATE
16
1
2001 05 08
1.00p0
First Prototype
1
NOV 18 2002 7.00
2
2001 06 05
1.00p1
Remove cutouts for BE tube sockets, move ribbons cables
2
.
3
.
.
to line up, change shearing to routing
3
NOV-01-2004
4
2001 07 05
1.00p2
Moved Send and Return pots out 0.075"
4
JAN/04/2005
5
.
.
Added Skrn outline to BE tube sockets
5
JAN-06-2005
6
2001 08 13
1.00
Value changes to tweak sound
6
APR-15-2005
7
2001 09 20
2.00
Add C166 10N across R122
7
MAY-17-2005
8
.
.
Move C93 47P to be across R2
8
.
9
.
.
Add R160 10K from wiper to top of P13
9
MAY/12/06
10
.
.
Add R159 in series with Q20 output.
10
MAY/23/06
17
11
2001 10 10
2.10
pc#6544 D6 30V ->33V, C19 150N ->330N, C20 330N->470N,
11
D
12
.
.
C15 1N->470P, C17 470P->1N, R23,R23 470K->220K
12
D
13
.
.
C39, C40 100N->10N
13
D
.
MODEL(S):-
YCV80
#
DATE
VER# DESCRIPTION OF CHANGE
1
2001 10 17
2.20
PC#6456 C16 1N TO 2N2, C11 220p TO
2
.
.
470P, R148 10K TO 8K2
18
3
NOV 30 2001
2.30
PC#6475 REPLACE R125,R122,C87,Q21 WITH D6,D22,D23,D24
4
D25,D26 51V ZENER IN SERIES
5
C66 220N/250V TO 10u/450V
6
JAN/17/02
3.00
PC#6484 UPDATE SOLDERMASK FOR RCA JACKS AND TABS
7
FEB/26/02
4.00
PC#6512 D11,12,13,14 MR854 TO 1N5408
8
D
V
NEW PADS FOR TABS, RCA JACKS
9
Apr 10,2002
5.00
new pads and holes for 3921 jack
10
APR 29 02
.
C15 MOVED ADD JUMPER X64
11
JUN 26 2002
5.10
PC#6541 R124 100K TO 47K
12
JUL 05 2002
6.00
PC#6544 MOVE TRACES RE SLD BRDGING
19
13
SEP 03, 2002
6.10
PC#6563 R124 47K TO 100K D25 TO A JMP
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
.
.
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
4425
V2:A
R18
1/4W
P2:A
100K
2X_TRIODE_HCT
BASS
MINI
500K
R26
15A
470K
4425
.
P4:A
M
VOLUME
R21
R4
20K
1M
1K5
15A
4423
BRIGHT
BRIGHT
.
.
S1:A
S1:B
P3:A
MID
3522
3522
22U
C8
50V
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
500K
P7:A
V2:B
15A
M
BASS
4425
C18
2X_TRIODE_HCT
P9:A
100N
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
HER508
3682
HI.V
RED
W6
D12
HER508
D13
R140
HER508
1/8W
100R0
D14
FLMP
R141
1/8W
HER508
100R0
GND
PENTODE
PENTODE
PENTODE
PENTODE
FLMP
V5:B
V4:B
V6:B
V7:B
U4
+15V
LO.V
MC7815CT
IN
OUT
W7
D15
.
4007
6872
R142
470U
470U
100U
100N
D17
TO220
1/2W
C75
C76
C73
C80
18R
25V
25V
25V
V3:C
100V
2X_TRIODE_HCT
.
C.T.
4007
.
W8
D16
470U
470U
100U
100N
4007
LO.V
C77
C78
C74
C79
TO220
W9
D18
25V
25V
25V
100V
6871
R143
2X_TRIODE_HCT
4007
.
2X_TRIODE_HCT
GND
1/2W
. V 2:C
. V 1:C
IN
OUT
MC7915CT
18R
-15V
R144
.
U5
1/2W
18R
.
M602
YCV80
VER# DESCRIPTION OF CHANGE
MOVE D11 D12 D13 D14 TO ELIMINATE
.
SHORTS
8.00
PC#6728:TUBE LABELS UPDATED TO V1 TO V7 (GT)
8.10
PC#6789 D11,D12,D13,D14 1N5408 TO HER508 (HG)
.
ADDED Z437 HEATSINK (GT)
.
PC#6793, PC#6795: FIX BREAKAWAY AND RTE NEAR S5
9.00
GT:FORCE UPDATE PADS REQUIRED TRACE CHANGES
.
R94 #4849 -> #4796 180K, REPLACED LEAD_SIZE PARTS
10.00
PC#7125:HG: RCA JACKS #3914 TO #6541
.
PC#7091:HG: #3522 SWITCH HOLES 0.031" TO 0.040"
V
N
V
N
V
N
POTLIST
YCV80
MODEL(S):-
REF
FUNCTION
PART#
KNOB
{NEW}
P1,P6
TREBLE
4424
8430
N
P2,P7
BASS
4425
8430
N
P3,P8
MID
4423
8430
N
P5
GAIN
4425
8430
N
P11
EFF.SEND
4497
N/A
N
P12
EFF.RETURN
4497
N/A
N
P10
PRESCENCE
4423
8430
N
P13
REVERB
4423
8430
N
P4,P9
VOLUME
4425
8430
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
F
G
H
I
J
K
L
M
N
+15V
TL072
R115
U9:C
1/4W
68K
U9:A
.
3N3
C84
WHT
-15V
100V
"STYLE_P29"
"STYLE_P32"
.
TL072
R116
D20
1/4W
4148
18K
.
U9:B
50V
R133
100K
MINI
K1:C
R28
1/4W
100V
27K
.
R14
1/4W
100K
MINI
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
4148
D2
C27
R29
1N
400V
1/4W
MPSA06
47K
.
WHT
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
150N
63V
R41
100K
MINI
R148
R149
R24
1/4W
1/4W
4K7
8K2
12K
.
.
.
150N
-15V
C90
63V
6880
4N35
IRF830
R130
1.0W
D
S
U6:A
Q19
0R47
6730
R132
FLMP
TO220
220R0
G
HI.V REG
FLMP
R131
1/4W
1M
TO92
.
R157
D8
R129
5101
220K
470R
Q22
10MM
4007
.
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
SCREEN
+250VRAW
Hi-Reg
+250V
R123
R121
MJE340
R159
5.0W
1/2W
1/8W
390R
8K2
Q20
220R0
.
FLMP
#18
6873
RED
W37
TO126
R124
1/4W
To W38
M
100K
.
10U
10U
10U
D21
C62
C63
C64
1N5262B
450V
450V
450V
51V0
0W5
10U
1N5262B
C66
D6
450V
51V0
0W5
GND
GND
4007
R137
C65
1/4W
100N
250V
D10
2K2
MINI
63V
0W5
R138
R139
R136
C72
51V0
36K
36K
1M
63V
D9
100U
.
.
C71
1N5262B
.
10U
GND
.
1
1
W29:A
9
GND
9
W30:A
2
2
W29:B
9
NET00147
9
W30:B
3
3
W29:C
9
+15V
9
W30:C
4
4
W29:D
9
GND
9
W30:D
5
5
W29:E
9
-15V
9
W30:E
6
6
W29:F
9
NET00165
9
W30:F
7
7
W29:G
9
NET00095
9
W30:G
8
8
W29:H
9
GND
9
W30:H
9
9
W29:I
9
NET00066
9
W30:I
K
L
M
N
O
P
Q
R
S
IRF830
78XX
MPSA06
79XX
MJE340
BC550C
MPSA56
C
B E
E
B C
E
C B
G
D S
I G
O
G
I
O
TO-92
TO-92
TO-126
TO-220
TO-220
TO-220
C29
220P
100V
R43
CH2
1/4W
R35
100K
LD4
4K7
MINI
+15V
GRN
.
+15V
U1:C
R36
2K
R31
.
GND
10K
.
C26
-15V
100N
100V
R40
100R
R38
47R
.
.
330N
BC560C
C30
CH1
Q15
BC550C
63V
LD2
T
5102
R34
YEL
Q6
1/4W
TO92
CH-SELECT
CH-SELECT
5101
10K
Gold
Gold
R46
.
TO92
R48
4K7
10K
S2:A
3522
3522 S2:B
.
.
NET00125
GND
D19
4148
R39
R37
R32
47R
220R
10K
.
.
.
BC560C
Q16
BOOST
BC550C
5102
LD1
R33
TO92
RED
1/4W
10K
BOOST
BOOST
.
R42
R47
TO92
22U
S3:A
10K
4K7
C28
3522
3522 S3:B
.
.
50V
GND
+15V
R119
1/4W
3436
24K
R135
R134
.
S5:B
1K
470R
.
.
TL072
STANDBY
U1:A
LD5
GND
1
YEL
STANDBY
STANDBY
2
S7:A
S7:B
S5:A
3436
3522
3522
OPERATE
LD3
RED
GND
R98
1K5
TL072
R101
.
D3
1/4W
4148
4K7
C53
C52
C51
U8:B
.
330N
63V
330N
63V
330N
63V
R99
R100
33K
36K
.
.
R73
1/4W
220K
.
A1SENS
V4:A
R53
R65
1.0W
C42
20K
1/4W
220R
22N
400V
15A
FLMP
820R
PENTODE
V3:B
4423
.
C39
R72
R69
P10:A
10N
100V
82K
220K
2X_TRIODE_HCT
A1SENS
MASTER VOLUME
MINI
.
R75
R61
1M
10R
.
FLMP
-ABIAS
R77
R74
1/4W
1/4W
10K
470R
-BBIAS
.
.
R62
R76
10R
1M
FLMP
.
R71
R70
B1SENS
2X_TRIODE_HCT
100K
220K
C40
MINI
.
10N
100V
V3:A
R68
PENTODE
C43
1/4W
R60
22N
400V
820R
1.0W
.
V6:A
220R
C41
FLMP
B1SENS
82N
100V
R78
SCREEN
4K7
.
R156
10K
+15V
.
R79
39K
R81
A1SENS
1/4W
.
GND
47K
MPSA56
.
R80
Q13
Q14
A2SENS
1/4W
5104
5104
47K
.
TO92
220N
C44
63V
R84
22U
27K
C47
.
50V
GND
-ABIAS
O
P
Q
R
S
T
U
V
W
X
3700_DRW
T
R
S
Gold Gold
.
R55
R87
1/4W
1/4W
10K
47K
GND
.
.
R49
C31
+15V
1/4W
220P
100V
620R
10K
MINI
B LIN
4497
C33
TL072
P11
33U
16V
R50
M
EFF.SEND
U2:C
1/4W
TL072
620R
MINI
U2:A
T
R
S
U1:B
C32
GND
220P
100V
-15V
-
-
-
R56
R86
R120
10K
1/4W
1/4W
GND
10K
47K
.
.
.
C34
220P
100V
GND
R88
1/4W
24K
R
S
J11
GND
10K
R57
.
B LIN
U2:B
1/4W
4497
R90
10K
.
C91
.
1/4W
33U
16V
P12
4K7
R58
M
EFF.RETURN
.
TL072
1/4W
T
R
S
GND
10K
R89
.
-
-
-
1/4W
24K
GND
.
GND
C35
220P
100V
+15V
REV SND
C38
RCA SNGL PCB MT HORZ K901
U7:B
100N
100V
4148
C37
D5
D4
U7:C
100U
25V
4148
TL072
J9
R155
6541
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
TL072
MINI
.
R92
REV RTN
1/4W
18K
.
GND
R93
C49
C46
1/4W
J10
470P
100V
22N
100V
12K
GND
6541
.
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
TL072
.
.
10K
R110
T
R
S
.
U3:C
1/4W
33U
470R
.
C59
U3:B
R112
-
-
-
16V
47R
GND
MPSA56
.
-15V
Q17
GND
5104
TO92
-15V
C57
220P
100V
R108
R106
C60
+15V
1/4W
1/4W
33U
16V
10K
10K
.
.
68N
TL072
TL072
C54
R104
100V
U8:C
1/4W
620R
R103
R102
MINI
1/4W
1/4W
U8:A
U3:A
R105
4K7
4K7
1/4W
.
.
R109
R107
3N3
680P
620R
1/4W
1/4W
MINI
C55
C56
-15V
10K
10K
GND
100V
100V
.
.
3923
C58
220P
100V
GND
#18
YEL
W36
SPKR
#18
3682
PLATE
YEL
W34
BLU
W12
SPKR
R54
3682
SPKR
#18
R66
1.0W
GRN
W16
YEL
1/4W
PENTODE
220R
W17
FLMP
5
820R
V5:A
.
BLU
SPKR
A2SENS
2
R63
3682
B+
GRN
#18
10R
RED
W13
BLK
W35
FLMP
RED
GND
4
T
R
S
T2
#18
R64
GND
BLK
10R
W33
-
-
FLMP
-
1327M
1
3682
SPKR
GND
BLK
W15
BLK
B2SENS
3
R67
BRN
1/4W
PENTODE
R59
820R
1.0W
.
220R
#18
FLMP
V7:A
BLK
B2SENS
3682
PLATE
#18
BRN
W14
GND
YEL
W31
SPKR
T
R
S
-
-
-
R83
1/4W
B1SENS
47K
MPSA56
.
R82
1/4W
B2SENS
47K
.
TO92
220N
C45
R85
22U
63V
27K
C48
.
50V
GND
-BBIAS
Product
Product
YCV80
YCV80
Guitar Amp
Guitar Amp
PCB#
PCB#
M602
M602
Date:
Date:
Tue Sep 05, 2006
Tue Sep 05, 2006
Rev:
Rev:
Filename:
Filename:
M602-10V00sch.SCH2002
M602-10V00sch.SCH2002
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
GND
J8:A
13
14
#18
BLK
W18
GND
15
LINE_IN
J7
16
GND
W32
LINE_IN
J6
17
18
Sheet
Sheet
1
1
of
of
2
2
19
10.00
10.00
Y
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