VCD
CLINCH
ORIGIN
LONG AXIS
SH
OR
T
AXI
S
INSERT
ORIGIN
M574
V6
.0
0
M574
P
c
b Mech
V6.00
BlankSize - 18250x8600
Pcb Mech
TAB
NORMAL
SOCKET
SOCKET WITH DIRECTION
NORMAL LARGE
SOCKET UPSIDE DOWN
EYELET LEGEND
1
1
M574
V6.00
TL074CN
V6
.0
0
M574M574
Top A
s
sy
LM3876T
TL072CP
Top Assy
74HC374N
MC33078P
PRODUCTION NOTES
1) RTV ALL 0.2" ELECTROLITIC CAPS
RTV CAPS TO SOCKET IN DIGITAL EFFECTS AREA
2) DO NOT STUFF LED5, R69
3) TRIM THE LEADS OF U4A AND U4B AFTER SOLDERING
4) FOR CE USE 100N 250V PT#5242 FOR C32 AC CAP
5) FOR NA USE 22N 275V PT#6435 FOR C32 AC CAP
6) DO NOT CUT THE LEADS OF D1, D2, D3, D4
BEND OVER FLAT TO BOARD
RTV
RTV
V
T
R
RTV
RTV
-
+
+
-
RTV
RTV
GUIDE
ETCH
B
A
R DO
WN
Hand
Inserted
RTV
-
-
+
+
GUIDE
ETCH
-
+
+
-
GUIDE
ETCH
V
T
R
B
A
R DO
WN
D
G
S
TO-92
J109
V
T
R
2
1
RTV
B
A
R DO
WN
GUIDE
ETCH
RTV
V
T
R
7
7
V+
A
NC1
OU
T
V-
V+
B
GN
D
MU
T
E
IN
-
IN
+
NC3
NC2
7
"STYLE_P28"
"STYLE_P27"
V
T
R
1
2
3
-
+
+
-
B
A
R DO
WN
I
O
G
78XX
TO-220
E
C
B
TO-92
MPSA13
MPSA06
6840_PC
6882_PC
6889_PC
6943_PC
V+
A
NC1
OU
T
V-
V+
B
GN
D
MU
T
E
IN
-
IN
+
NC3
NC2
7
7
32
30
26
24
20
18
14
12
33
35
31
36
34
25
27
19
21
10
13
15
9
11
39
41
40
42
4
6
3
5
45
47
46
48
82
84
83
81
51
53
52
57
55
61
63
67
69
73
78
76
77
75
54
56
60
62
66
68
74
72
28
22
16
23
29
17
59
65
71
58
64
70
37
43
38
44
2
8
1
7
49
50
80
79
11
8
5
2
12
9
6
13
10
7
3
4
1
D
D
D
V
V
V
N
N
N
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
N
N
N
N
N
N
N
N
.
.
REMOVED LED5 AND R69 FROM LAYOUT - ONLY PADS
REPLACED JUMPERS WITH RIBBON CABLES
.
.
12
9
6
3
#
13
11
10
5
4
8
7
2
1
DATE
MODEL(S):-
VER# DESCRIPTION OF CHANGE
MAY/04/05
APR/17/02
.
OCT/11/00
3.00
.
1.20
PC#6846 REDO SOLDERMASK
UPDATE TAB AND FUSEHOLDER PADS
ENABLE FOOT SWITCH ADD X79
PC#6285 C21, C252 100n -> 10n
NOV/23/04
JAN/15/03
NOV/13/01
JUN/25/01
.
DEC/20/00
APR/17/00
MAY/11/00
4.00
.
.
2.10
.
2.00
1.00
1.10
PC#6584 YELL LED #6407 -> #5994
PC#6771 #3571 -> #3507 (SOCKET FOR #6993 SRAM)
PC#6313 REVERSE CONNECTION TO EFX.
PC#6292 R16FX 680R -> 470R . DELETE C5FX
FIXED SPAN ON R16, R17
ADD 0.05" TO BOARD EDGE AT P12
PC#6252 NA FUSE 1.6A-SB -> 1.25A-SB
FIRST PRODUCTION
M574
AM100
5.00
AUG-19-2005 6.00
CONV. PCAD2002:PC#6928:ADD ETCH GUIDE, TARGETS
FUNCTION
KNOB
REF
MODEL(S):-
PART#
R
R
R
R
R
R
P8
P12
P1
P2 ,P3, P4
F
F
F
F
F
F
NOTCH, MASTER
DRY/WET
EFFECTS
GAIN CH 1
GAIN CH 2
BASS, MID, TREB
P
P
P
P
P
P
#4419
#4417
#4527
#4417
#4418
#4420
N
N
N
N
N
N
'' "
'' ''
MAR/2000
" "
K
K
K
K
K
K
#8641
#8641
#8641
#8641
#8641
#8641
MAR/2000
M574 POT LIST
AM100
" "
" "
P5
P6, P7
"STYLE_P31"
6755_PC
5
2
#
6
3
4
1
DATE
MODEL(S):-
VER# DESCRIPTION OF CHANGE
D
V
N
D
D
D
V
V
V
N
N
N
N
AM100
M574 DRILL HISTORY
V13
V14
DEC-09-2003
AUG-23-2005
CONVERSION TO PCAD2002
4
1
6
5
3
#
2
MODEL(S):-
PC#
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
PENDING CHANGE
X
X
X
X
X
X
PC
PC
PC
PC
PC
PC
M574 PENDING CHANGES
AM100
CLIP
TREBLE
WET/DRY
NOTCH
MASTER
LI
N
E OU
T
BASS
MID
EF
X SEN
D
LEFT AMP
EF
X ON
-OF
F
CHAN 1 NOTCH
INPUT 2
CLIP
FUNCT
IO
N
EFFECTS
SELECT
EF
X R
ET
U
R
N
C
H
A
N
2
E
F
X
B
Y
P
A
S
S
3674
3818
64
0
5
5630
6827
599
4
6408
5865
#6474
3417
3674
5630
4420
3417
6827
4417
3818
3417
3414
6451
4419
4419
3665
3676
3676
3676
3676
3676
3923
6827
3676
3676
3665
3665
6940
3676
3665
6435
4417
4420
4420
6755
3665
3425
5887
3660
6405
6738
6827
3665
3665
3665
6755
6993
3425
6994
4527
5887
6992
4418
3425
6943
5011
5010
6981
100K
16V0
16V0
10K0
680P
1K0
680P
1U
63V
3K3
4K7
4148
1U
63V
2N
2
20K
180K
25V
100U
1/
2W
10R
4007
100N
2K49
10K0
10K0
100K
2K49
2K49
1K
1K
2N
2
220R
10N
100N
4148
100K
20K0
1K0
3K3
47K
3K3
3K3
10K0
18N
4148
10K0
100N
4148
4007
100N
10K0
10K
20K0
10K0
10K0
20K0
10K
10K
1K2
2K
10K
1K
2N
2
2N
2
470R
100N
470K
330R
330R 1/
2W
330R 1/
2W
330R 1/
2W
1M
100P
4148
18N
5K1
470N
33R
10K0
10K0
2K
2K
100N
100N
10K0
2K49
4148
RED
10N
100P
10K0
4148
15P
1U
2N2
25V
330U
15K
1N
4K7
T
LO74C
N
100K
100K
63V
10U
1K
100K
63V
1U
10K0
15K
10K0
220N
100N
10N
470K
22V0
10K0
10K0
180K
2K2
1U
10K0
4148
63V
4U7
1N
5402
100N
1.
0W
100R
1.
0W
100R
1.
0W
100R
1U
1U
220N
68N
68N
33U
16V
10K0
10K0
680P
100N
27P
10K0
680P
63V
10U
1K
100K
100N
33U
16V
10K
2N
2
33U 16V
16V
100U
10N
Y
E
L
33U 16V
10U
16V
220R
10N
10N
33U 16V
2N
2
10R
100N
G
R
E
E
N
100N
PT
C
1K0
2N
2
33U
16V
1K
2K
10N
25V
330U
50K
B LIN
100N
100K
10K0
10K0
T
LO74C
N
33K
M
PSA13
1K
4007
33U
16V
1N
5402
100R
1.
0W
100R
1.
0W
10K
10K
T
LO74C
N
10K0
20K0
20K0
15P
10K
5B LIN
100N
1K
27P
100N
6K8
2N
2
470R
4N
7
250V
330R 1/
2W
330R 1/
2W
1/
2W
330R
1/
2W
330R
330R 1/
2W
B LIN
100K
B LIN
100K
47K
100N
4148
10K0
1K5
10R
1/2W
562R
10K0
1N
4K99
4K99
10K0
1K5
200R
5K1
1K5
1K5
2K49
2K49
249R
10K0
10K
1K
10N
1K
4U
7
63V
T
L072C
P
MPSA13
10K
4007
1U
10R
1/2W
220N
562R
MC33078P
31K6
1N
21K5
1N
5402
J109
1/
2W
10R
10K
2K49
TLO74CN
2K49
249R
16M
H
Z
470R
249R
1K
33R
5.0W
15K
MPSA13
1K
33U 16V
MPSA06
33U
16V
680N
275V
22N
100N
4U
7
63V
10K
5B LIN
50K
B LIN
50K
B LIN
LM3876T
DPDT PUSH
2200U
50V
22U
50V
2N
2
RE
D
{Wat
ts}
MC
7805CT
1N
5402
100R
1.
0W
LM3876T
IC 32KX8
DPDT PU
SH
10U
16V
C
S
4216
50V
22U
ROT H
2200U
50V
ART-1365
1365-102
10K
5C R/A
DPDT PUSH
120R
74HC374N
_10KX9
330RX9
27C512 PROM
V6
.0
0
M574 3/3
AM100
V6.00
R69
DNS
LED5
V6.00
R10
ZD3
X54
ZD2
R8
0
C
16B
R5
4
C
15B
X28
C100
R4
1
X46
R
211
D
201
C202
C64
R
21A
R5
2
C8
R
25A
X88
D5
A
C4
2
R
230
R
233
X55
X66
X65
R
220
R
13A
R
222
R
236
R
20A
X1
X113
R
13F
X
C8FX
X105
X115
R
29F
X
C
17F
X
X79
C4
6
D3
1
R6
5
R3
1
R8
X41
R4
6
R4
7
R3
8
R4
5
X5
X6
R4
2
C6
1
D2
5
R
229
C2
7
D
26A
X83
D2
A
X43
X59
C5
0
R2
1
R2
8
R
155
R1
7
R1
6
R239
R2
9
R2
X9
R
224 R1
X13
R1
5
R6
7
C
25F
X
X116
C
24F
X
R7
FX
X25
X51
X50
X53
X56
X103
X100
C26FX
R
10F
X
R
294F
X
R6
6
R39
R201
X34
R206
X29
R3
C3
W16
BLK
D60
C60
R43
X44
X45
C62
R90
R89
R84
R86
R87
C41
C40
X60
R19
X69
X42
R234
X8
D2FX
W15
GRN
LD2
C2
C4
R4
D2
6
C1
2
C21B
C10
C28
W9
LEFT_+)
BLUE
R22B
C1
6
R50
U5
R40
R
13B
C17B
R
20B
X68
R161
C121
R82
R83
R85
C65
C63
C66
R
212
ZD1
0
W18
GRN
R232
R
237
R
18A
R
210
C
201
W8
RIGHT SPKR(-)
BLACK
R11
X58
D10
W7
X86
C250
D2
X48
X70
C251
R
251
R
253
R
255
W13
SPKR(+
)
RED
C22A
C21A
C23A
C6
8
C
157
C19
R
231
R26
X67
C
16A
C57
C4FX
R
235
C
15A
C17A
X57
X62
R12FX
X30
R8
FX
C
28F
X
C9FX
R11FX
C
54F
X
C2FX
C21FX1 C22FX
LD5
C23FX
C11FX
R
28F
X
C
252
C
18F
X
C
19F
X
C12FX
R
17F
X
C20FX
LD3
W4
AC L
INE
BL
ACK
C5
5
W1
4
BLK
R
300
R9
H1
X3
C1
7
C15
R
48A
R5
1
C1
1
C29
X4
BOT
TOP
WIP
P4
C152
R5
5
R4
4
R8
1
W6
RED
SEC IN
U6
R
65A
Q10A
R3
5
D1
A
H2
C9
D4
R
252
R
254
X10
R3
0
R1
8
U8
R2
5
R241
R156
X12
C1
BOT
TOP
WIP
P8
C
150
R3
2
C3
FX
X49
C
27F
X
X52
X104
R
295F
X
R6
FX
H3
C7
FX
W11
D
U
MMY
R
147
F1
W2 W3
WHIT
E
AC WHIT
E
C3
0
W23
PRIMARY
BLACK
R202
R203
R205 R207
R204
BOTA
BOTB
WIPA
TOPA
WIPB
TOPB
P6
BOTA
BOTB
WIPA
TOPA
WIPB
TOPB
P7
X2
R48
C43
D6
R12
R70
R25B
W34
J9
R6
R14
C14
R49
R34
R228
X47
R71
R227
R223
X80
X17
R240
R238
R
151
R154
X23
X111
X15
X16
X78
R27
R22
R91
R33
C21
R9FX
X106
C6
W17
GRN
U1
Q10
R105
J8
W10
BLACK
LEFT SPKR(-)
D5B
C22B
R23B
C23B
R5
X38
U2
R68
C13
R221
W5
SEC G
N
D
YELLO
W
X87
D1
Q11
AM100
M574 2/3
R
23A
W25
W30
R
157
X61
R
153
X75
U9
R150
X102
R225
X1F
X
R
16F
X
R24
R5FX
W12
YELLOW
TWEET(+)
R24A
R22A
W38
X109
Q2FX
R23
C5
Q1F
X
C
110
C1
FX
W24
AC HOT
BLACK
C32
AM100
M574 1/3
C4
5
C7
BOT
TOP
WIP
P1
BOT
TOP
WIP
P2
BOT
TOP
WIP
P3
W2
6
J2
-
-
-
J6
-
-
-
U4B
W1
9
W36
J7
-
-
-
S1
C26
C18
C6
7
J4
LD1
Q20
D3
W21
W32
R
250
W40
U4A
U1
FX
S3
C
10F
X
U6FX
C6FX
P12FX
W1
TRANS
J5
Gold
Gold
.
C25
J3
-
-
-
U2FX
BOT
TOP
WIP
P5
X19
X21
X24
S2
R53
X18
X22
X39
U4FX
R100FX
R15FX
U3
FX