CLOSED = OFF
3
2
1
D
IG
IT
AL
D
EL
AY
BL
YL
R
D
G
N
D
W
H
BK
"CROWBAR"
+
ETS ON/OFF
ETS SINGLE/MULTI
MIC GAIN
EFFECTS GAIN
POWER/
BATTERY
FOR 20 dB ATTENUATION OF OUTPUT
CUT 1 TO 2 AND JUMP 2 TO 3
D4
D3
D0
D5
D2
D1
D6
D1
D2
D7
D0
D3
D4
D0
D0
C2
D5
D1
D1
C1
D6
D2
D2
C0
D7
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
D0
D1
C0
D2
SMPL*
C1
D3
C2
D4
D5
D6
P1
D7
P2
P2
P1
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
2
1
2
1
2
1
2
1
2
1
2
1
3
4
6
7
9
10
12
5
8
11
2
1
3
4
6
7
9
10
12
5
8
11
1
2
P24
1
P25
2
P26
3
P27
4
VCC
5
XT2
6
XT1
7
P31
8
P32
9
P33
10
P00
11
P01
12
P02
13
GND
14
P20
15
P21
16
P22
17
P23
18
5
6
7
10
9
8
3
2
1
4
11
3
2
1
4
11
10
9
8
14
12
13
11 6
15
2
1
10
4
5
3
9
2
1
2
1
2
1
2
1
VOUT
1
SENSE
2
SHUTDOWN
3
GND
4
ERROR*
5
5V
6
FB
7
VIN
8
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
CLR
1
D1
3
Q1
2
D2
4
Q2
5
D3
7
Q3
6
D4
8
Q4
9
D5
13
Q5
12
D6
14
Q6
15
D7
17
Q7
16
D8
18
Q8
19
CLK
11
CLR
1
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
CS1
20
CS2
26
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
1
2
3
4
5
6
1
2
1
2
1
2
1
5
6
7
2
1
1
2
3
4
5
6
7
8
9
10
2
1
2
1
2
1
12
13
14
12
13
14
2
1
2
1
2
1
2
1
2
1
2
1
2
1
1
2
3
Title
Size
Document Number
Rev
Date:
Sheet
of
U1
74HC138
C1
100pF
R1
4.7K
R2
4.7K
D1
1N4148
D2
1N4148
D3
1N4148
D4
1N4148
D5
1N4148
SW1
SW 4PDT
SW2
SW 4PDT
BT1
BATTERY
JP1
CART
C2
10 pF
X1
12MHz
C3
18pF
C4
18pF
U2
Z86E08
U3B
TL064
+
-
U3C
TL064
+
-
U3A
TL064
+
-
U4A
TL064
+
-
U4C
TL064
+
-
J1
R4
15C10K
R6
1K
R7
2.21K
R9
30.1K
R10
5.23K
C6
0.0027uF
C7
0.0027uF
R11
100K
C8
100uF
16V
+
C9
0.22uF
R12
3.40K
R13
9.76K
C10
0.033uF
C11
0.022uF
R14
43.2K
R15
13.7K
C12
100pF
U5A
4053B
R16
3.32K
R17
3.32K
R18
10KB
U5B
4053B
R20
18.7K
C13
0.1uF
U5C
4053B
C14
100pF
R22
10
R23
10
D6
1N4148
D7
1N4148
R24
4.99K
R25
4.99K
R26
10
C15
220uF
ELECT
+
Q1
2N3904
Q2
2N3906
C16
0.1uF
Q3
2N3904
D8
1N4148
D9
1N4148
R27
1K
Q4
2N3904
R28
10K
M1
METER VU
VU
R29
500K
R30
1.5K
C17
0.1uF
R31
100K
R32
100K
R33
1M
C18
220uF
ELECT
+
R35
100
C19
4.7uF
ELECT
+
R36
3.9K
K1
RELAY DPDT
K2
RELAY SPDT
U6
LP2951
R37
100K
R38
100K
C22
0.1uF
C23
0.1uF
U7
74HC273
U8
74HC273
C24
0.001uF
R39
100K
U9
6264
JP2
RJ-12
JP3
HEADER 1
R40
3.9K
R41
3.9K
D10
1N4148
R43
88.7K
Q6
2N3906 D11
1N4148
D12
1N4148
R44
150K
C25
100pF
R46
100K
U4B
TL064
+
-
R47
10.0K
C26
0.022uF
R48
10.0K
R49
40.2K
C27
0.0033uF
R50
75.0K
R51
95.3K
C28
100pF
R52
4.64K
C29
0.068uF
R53
13.7K
R54
11.0K
C30
100pF
R55
3.9K
C31
0.1uF
Q7
2N3906
R56
62
D14
1N4148
C32
0.1uF
R58
R2R
R59
3.57K
R60
3.9K
Q8
2N3904
Q9
2N3904
R61
10K
D16
1N4148
R62
1K
C33
10uF
+
D18
1N4148
R63
3.9K
R64
160
D19
1N4148
Q10
2N3904
R65
3.9K
R66
3.9K
Q11
2N3904
SW3
SW DPST
SW4
SW DPST
R68
10K
R69
47K
R70
33
R71
POT
C35
1uF
+
C36
1uF
+
U3D
TL064
+
-
U4D
TL064
+
-
D13
LED
Q5
2N3904
R42
33
R67
1K
C34
1uF
+
D20
1N4148
D21
1N4148
D22
1N4148
D15
1N4148
R8
10.0K
C5
0.1 uF
R21
7.50K
R19
10.0K
D17
1N4148
C21
4.7uF
TANT
+
R34
500 POT
R45
160
R5
100
R3
4.75K
D23
1N4148
R57
5KA
R72
4.7K
SP1
SPLASH PAD
R73
499
C20
22uF
16V
ELECT
+
VCC/2
VCC/2
VCC/2
VCC/2
VCC
VCC/2
VCC
VCC
VCC/2
VCC
V9
VCC
VCC
V9
V9
VCC
VDD
VCC/2
VCC
VCC/2
V9
V9
V9
V9
V9
VCC
VCC
VCC
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VSS
VEE
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC
VCC
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
43900-00-00
ECHOMAX 2000
ASTATIC
C
1
1
Wednesday, May 14, 2003