Page 1
8
MIC GAIN
R4
3
V9
R6
1K
C8
100uF
16V
+
R7
2.21K
GND
D D
JP1
1
2
CART
GND
C C
B B
A A
4053B
U5A
14
1213116
GND
SMPL* C1 D3
VCC
R16
3.32K
DIGITAL DELAY
R18
10
10KB
2 1
R17
C13
0.1uF
3.32K
GND
R71
53
EFFECTS GAIN
POT
VCC/2
8
1
15C10K
2
R5
100
VCC/2
C5
0.1 uF
GND GND
C1
100pF
15
U5B
4053B
18.7K
GND VSS VEE
U5C
4
4053B
9
R3 4.75K
GND
-
2
+
3
411
R8
10.0K
VCC/2
VCC
C4
18pF
X1
C3
18pF
12MHz
VCC
R19
10.0K
R20
ETS SINGLE/MULTI
SW3
SW DPST
GND
R21
7.50K
GND
VCC VDD
-
6
+
5
TL064
C14
100pF
GND
7
C7
0.0027uF
R10
U3A
1
U4B
7
5.23K
0.0027uF
TL064
V9
GND
D4 D3 D0
D5 D2 D1
D6 D1 D2
D7 D0 D3
C0 D2
C2 D4
VCC
GND
C32
0.1uF
1
2
3
4
5
6
7
8
1
2
3
6
4
5
R47 10.0K
R48 10.0K
7
U2
P24
P25
P26
P27
VCC
XT2
XT1
P31
P329P33
Z86E08
U1
A
B
C
G1
G2A
G2B
74HC138
R9
30.1K
C31
0.1uF
18
P23
17
P22
16
P21
15
P20
14
GND
13
P02
12
P01
11
P00
10
15
Y0
14
Y1
13
Y2
12
Y3
11
Y4
10
Y5
9
Y6
7
Y7
R49
40.2K
C26
0.022uF
R11 100K
C6
C2 D5 D1 D1
C1 D6 D2 D2
C0 D7 D3 D3
-
U3B
6
+
5
VCC/2
R2
4.7K
VCC
21
D2
1N4148
21
D1 1N4148
VCC
4.7K
R1
21
D5
1N4148
21
D3
1N4148
21
D4
1N4148
R51
95.3K
R50
10
75.0K
C27
0.0033uF
GND
VCC/2
6
C9
7
0.22uF
TL064
D4 D0 D0
VCC
D0
D1
D5
D6 P1
D7 P2
C24
0.001uF
GND
C28
100pF
U4C
-
9
8
+
TL064
6
R12
3.40K
GND
U8
2
D13Q1
5
D24Q2
6
D37Q3
9
D48Q4
12
D513Q5
15
D614Q6
16
D717Q7
19
D818Q8
11
CLK
1
CLR
74HC273
U7
2
D13Q1
5
D24Q2
6
D37Q3
9
D48Q4
12
D513Q5
15
D614Q6
16
D717Q7
19
D818Q8
11
CLK
1
CLR
VCC
74HC273
100K
R39
R52
C35
+
4.64K
1uF
C29
0.068uF
0.1uF
0.033uF
GNDGND
5
R15
13.7K
VCC
0.022uF
TL064
R14
43.2K
C11
10
25
24
21
23
20
26
27
22
R31
100K
5
-
9
10
VCC/2
U9
A0
D0
9
A1
D1
8
A2
D2
7
A3
D3
6
A4
D4
5
A5
D5
4
A6
D6
3
A7
D7
A8
A9
A10
A11
2
A12
CS1
CS2
WE
OE
6264
C30
100pF
R24
4.99K
D7
1N4148
-
U4D
13
14
+
12
TL064
D6
1N4148
R25
4.99K
R13
9.76K
C10
GND
R54
11.0K
R53
13.7K
V9
R32
100K
C17
GND
C12
100pF
+
11
12
13
15
16
17
18
19
V9
2 12 1
GND GND
U3C
8
D4 D4
D5 D5
D6 D6
D7 D7
VCC/2
GND
FOR 20 dB ATTENUATION OF OUTPUT
CUT 1 TO 2 AND JUMP 2 TO 3
V9
R26
10
C15
220uF
ELECT
+
Q1
GND
2N3904
R23
10
R22
10
Q2
2N3906
4
VCC
U3D
-
13
14
+
12
TL064
R58
1
2
3
4
5
6
7
8
9
10
R2R
VCC/2
C19
4.7uF
ELECT
R35
100
R56
62
R29
500K
D8
1N4148
D9
1N4148
C16
0.1uF
R28
10K
GND
4
R37
100K
C22
R38
100K
GND
10 pF
C2
3.57K
R59
GND
U4A
-
2
1
+
3
TL064
411
V9
R73
499
GND
SP1
SPLASH PAD
+
C18
220uF
ELECT
+
R34
V9
500 POT
Q3
2N3904
2 1 2 1
R27
1K
R33
1M
3
VCC
R42
33
Q5
R67
1K
+
C34
1uF
"CROWBAR"
ETS ON/OFF
CLOSED = OFF
R57
5KA
SW4
SW DPST
2N3904
R68
10K
GND
VCC
VCC
D23
2 1
1N4148
JP3
HEADER 1
1
2N3904
Q11
GND
GND
D10
2 1
1N4148
0.1uF
GND
3
2
1
R72
4.7K
GND
J1
GND
Q4
2N3904
C36
+
1uF
R30
1.5K
M1
+
VU
METER VU
3
R69
47K
R70
33
GND
R63
3.9K
D19
1N4148
2
D20
D21
21 21 21
1N4148
2 1
D13
LED
POWER/
BATTERY
C21
4.7uF
TANT
GND
12345
6
JP2
RJ-12
BLYLRD
GNDWHBK
R66
3.9K
21
21
D22
150K
U6
LP2951
GND
1N4148
VOUT
SENSE
SHUTDOWN
GND
11
11
K1
RELAY DPDT
K2
RELAY SPDT
R40
3.9K
Q6
2N3906 D11
R46
100K
1N4148
C25 100pF
VIN
ERROR*
Q7
2N3906
R55
3.9K
SW1
1
2
3
4
5
6
7
8
9
10
12
SW 4PDT
SW2
1
2
3
4
5
6
7
8
9
10
12
SW 4PDT
Q10
2N3904
R65
3.9K
P2
1N4148
GND
R44
1
2
3
4
+
R36
3.9K
GND
Q8
2N3904
R60
3.9K
D18
1N4148
P1
ASTATIC
Title
Size Document Number Rev
C
Date: Sheet of
2
ECHOMAX 2000
43900-00-00
1
R45
160
21 21
8
7
FB
6
5V
5
D14
1N4148
21
R64
160
R41
3.9K
1N4148
V9
D12
21
D15
1N4148
C20
+
22uF
16V
ELECT
R43
88.7K
GND
BATTERY
BT1
GND
C23
0.1uF
GND
D17
1N4148
21
2N3904
Q9
1N4148
R62
1K
21
D16
C33
+
10uF
R61
10K
1 1Wednesday, May 14, 2003
1
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