1
2
3
4
A
B
C
D
4
3
2
1
D
C
B
A
1
2
L4
BLM21A102
1
2
3
VR1A
A10K
C12
47uF/25V
AGND
AGND2
3
2
1
U1A
TL074CD
C8
47uF/25V
R7
10K
C13
47uF/25V
INPUTR
10
9
8
U1C
TL074CD
R4
1K
AGND
R5 1M
OUTPUTR
1
2
3
VR2A
B1K
1
2
3
VR3A
A10K
AGND
R20
270R
3
2
1
U2A
TL074CD
R11
10K
L1
BLM21A102
AGND2
R-OUT
OUTPUT-A
MIXER-A
INTPUT-A
R-INPUT
AGND
L-OUT
L-INPUT
4
11
U3E
TL074CD
4
11
U1E
TL074CD
-5V
-5V
+5VA
+5VA
3
1
2
J1
C10
1000uF/25V
C11
220uF/25V
Vin
GND
Vout
U10
LM7805
Vin
2
G
1
Vout
3
U9
LM7905
C4
100uF/16V
C6
0.1UF
C3
100uF/16V
C5
0.1UF
L2
LF22uH
L3
LF22uH
-5V
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
SGND
A
2
K
1
D2
1N4002
A
2
K
1
D3
1N4002
AC 9V INPUT
C9
220P
AGND
C14
10nF
+5V
L5
BLM21A102
4
5
6
VR1B
A10K
C16
47uF/25V
AGND
AGND2
5
6
7
U1B
TL074CD
C15
47uF/25V
R15
10K
C17
47uF/25V
INPUTL
12
13
14
U1D
TL074CD
R12
1K
AGND
R13
1M
OUTPUTL
4
5
6
VR2B
B1K
4
5
6
VR3B
A10K
AGND
R23
270R
5
6
7
U2B
TL074CD
R19
10K
L6
BLM21A102
AGND2
OUTPUT-B
MIXER-B
INTPUT-B
AGND
C25
220P
AGND
C26
10nF
C18
100nF
C19
100nF
AGND
C45
100nF
C51
100nF
AGND
C2
0.1UF
C1
0.1UF
SGND
SGND
C22
100nF
SGND
+VCC
(MONO IN)
C46 47P
C47 47P
C48 47P
C49 47P
L7
BLM21A102
L8
BLM21A102
AGND2
AGND
P1
STARTGND
SGND
6
1
3
4
L10
PLT09H-2003R
L12
BLM21A102
DGND
L11
BLM21A102
PS1 RX110
AS1
AS2
-5VO
HB0254~2.SCH
Titel
Size
File:
Date:
Drawn By:
Sheet
Revision
Model No:
23-Jun-2007
YONG QIAN YAO
AlphaverbII
2
2
of
aVERB II
VERB070615
A3
LD2
RED
R48
4K7
SGND
4
11
U2E
TL074CD
-5V
+5VA
C44
100nF
C50
100nF
AGND
(C10=
f10*20mm)
1
2
3
4
5
6
PJ1
MIC6PIN
1
2
3
4
5
6
PJ2
MIC6PIN
1
2
3
4
5
6
PJ4
MIC6PIN
1
2
3
4
5
6
PJ3
MIC6PIN
2
1
3
SW1A
SW3*3
AlphaverbⅡ(2/2)
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