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Pcb Mech
M602
V7.00
Top Assy
M602
V7.00
CH1
BOOST
2M2
LD1
LD2
-
X10
-
+
+
X6
YEL
K2
C24
BC550C
TREBLE
C18
C9
Q23
4N7
C88
R16
P5
C19
4425
4425
500K
500K
100K
330N
C13
RELAY 2C
2K2
R158
R5
15A
15A
C21
#18
GAIN
VOLUME
BLK
BOOST
P9
W3
NCL
NCR
S3
GND
CL
CR
C7
NOL
WHT
NOR
#18
R148
YEL
W2
INPUT
GND
BLK
RING-SW
GND
12AX7
RING
SLEEVE
GRN
YEL
TIP-SW
TIP
INPUT
220N
X35
X34
220N
C44
PLATE
BLU
W12
ETCH
GUIDE
Q13
22U
50V
C47
C34
EFF.RETURN
J4
C91
33U
16V
.
10K
U2
P12
P11
.
#16
BOT
TOP
BOT
TOP
GRN
WIP
WIP
W40
.
EFF.RETURN
EFF.SEND
GND
10K
W44
CLINCH
ORIGIN
M602 PCB DATABASE HISTORY
MODEL(S):-
YCV80
#
DATE
VER#
DESCRIPTION OF CHANGE
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
4
2001 07 05
1.00p2 Moved Send and Return pots out 0.075"
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.
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
.
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
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
13
SEP 03, 2002
6.10
PC#6563 R124 47K TO 100K D25 TO A JMP
ETCH
GUIDE
R113
K1
BASS
50V
C5
22U
P7
4424
4425
4423
RELAY 2C
500K
C8
20K
1B
15A
15A
R12
Scoop
470P
S4
P6
P8
MID
R149
47N
C4
12K
C23
NCL
NCR
47K
C6
CL
CR
33K
470P
C12
NOL
WHT
NOR
8K2
C22
150N
22K
C15
R151
C90
5418
2N2
R9
C14
12AX7
100K
Q2
R25
X56
X52
B+
PLATE
RED
10R
1.0W
W13
W14
.
T
R
V
.
.
.
Q14
.
.
V T
R
RCA
REV SEND
REV RETURN
Effects Insert
C38
EFF.SEND
R120
10K
100N
C50
X40
G3
J3
J11
G1
G2
G1
SIG
.
Gold
C37
100U
.
Gold
25V
C36
.
-
U7
ETCH
GUIDE
M602
MODEL(S):-
YCV80
#
DATE
VER#
DESCRIPTION OF CHANGE
1
NOV 18 2002
7.00
MOVE D11 D12 D13 D14 TO ELIMINATE
2
SHORTS
3
D
V
N
4
D
V
N
5
D
V
N
6
D
V
N
7
D
V
N
8
D
V
N
9
D
V
N
10
D
V
N
11
D
V
N
12
D
V
N
13
D
V
N
ETCH
GUIDE
CH2
C26
LD4
R40
-
+
100R
GRN
C25
22U
50V
4425
4424
C11
500K
100K
Q4
15A
1B
C1
P4
P1
TREBLE
VOLUME
C40
NCL
NCR
NCL
NCR
S1
10N
CL
CR
CL
CR
WHT
NOL
NOR
WHT
NOL
NOR
10N
CH-SELECT
BRIGHT
C39
S2
C42
22N
C43
22N
#18
R72
82K
RED
W27
3674
470R
W37
R74
To W38
R64
6872
IRF830
MC7815CT
HI.V REG
.
TO220
V T
R
R
T
V
U4
Q19
25V
100U
BC550C
C73
Q22
C80
R129
3610
R127
470R
W28
22U
2M2
3674
50V
U6
W16
W30
250V
220N
C48
C68
SPKR
GRN
RCA
C59
J5
HEADPHONES/LINE.OUT
X42
16V
33U
X44
G3
MPSA06
G2
Q18
LINE.OUT
J8
J10
SIG
.
C49
.
C46
MPSA56
Q17
.
U3
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
Q15
R46
4K7
Q6
C27
Q16
REVERB
Q3
4425
4423
4423
500K
C3
20K
20K
C2
C41
15A
15A
15A
Contour
P2
100K
P3
P13
MID
BASS
NCL
NCR
C84
CL
CR
NOL
WHT
NOR
R146
3624
100K
S6
W26
W29
U9
C83
3610
W10
GRN
W11
FIL
GRN
FIL
C71
R138
51V0
D24
6871
10U
36K
51V0
D23
63V
MC7915CT
.
51V0
D22
36K
TO220
51V0
D21
R139
T
R
D10
V
4004
D6
V T
R
#16 CHASSIS
C66
C79
C74
GRN
Q20
W41
#18
100U
GND #18
GND #18
U5
RED
25V
BLK
BLK
W35
C69
SPKR
To W37
R T
W38
T
V
W15
R
Hi-Reg
V
V T
R
BLK
W33
R T V
MJE340
#18
#18
YEL
SPKR
SPKR
YEL
W36
W34
6in 12C-26AWG RIBBON CABLE
098
3624
W25
YsPart
W23
C52
C61
C30
C53
33U
C60
16V
R107
16V
33U
C54
C51
U1
U8
ETCH
GUIDE
Z436
SOCKET
SOCKET UPSIDE DOWN
NORMAL
NORMAL LARGE
SOCKET WITH DIRECTION
"STYLE_P29"
"STYLE_P32"
TAB
ETCH
GUIDE
X
X
MPSA06
Q5
BEC
X
LOC
C28
X
22U
50V
LD5
X
STANDBY
4423
20K
X
X
15A
LD3
OPERATE
S7
X
P10
MASTER VOLUME
NCL
NCR
X
CL
CR
WHT
NOL
NOR
STANDBY
X71
X
M602
BLK
X
YCV80
#18
GND
W32
V7.00
X
J6
LINE_IN
#18
YEL
X
SPKR
ETCH
W31
GUIDE
X
LINE
LINE
BLK
X
BLK
1N5408
D12
RED
WHT
R
BLK
LINE IN
FROM SWCH
C82
R
RED
22N
275V
R
V T
T
R
V
C81
V T
R
HI.V
C75
GRY
C70
X37
R
T
R
T
V
V
C76
LO.V
C.T.
T
R
V
W8
V T
R
YEL
T
T
R
R
V
V
GRY
C77
C78
LO.V
#18
#18
W18
W17
YEL
BLK
FT.SWITCH
SPKR
GND
J2
J7
S5
Gold
.
Gold
.
.
.
#8800
#3850
Devices
#3796
#8806
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