aion Lab L4 BASS PREAMP Manuel - Sayfa 15

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SCHEMATIC (DISTORTION, COMPRESSOR, SWITCHING, POWER)
-
+
TEST
GND
R52
10k
VA
FROM
2
CHANNEL 1
A
1
& CHANNEL 2
3
IC7A
RC4558P
GND
-VA
Channel switching & bypass
CHANNEL A
BYPASS A
A1
TO CH.1 IN
A2
A2
A3
TO CH.2 IN
BYPASSC
TO
C2
OUTPUT
JACK
B1
B2
B3
CHANNEL B
GND
L4 BASS PREAMP
VA
VA
VA
VA
IC8B
14
LM13700N
15
12
Q3
13
2N3904
GND
-VA
GND
GND
C26
220pF
-VA
GND
GND
+9V
+9V
FROM
A1
INPUT
JACK
A3
FROM
C1
BYPASS B
PCB
OUT
C3
GND
GND
VA
R63
Q5
2N5457
100k
R65
15k
IC8A
3
LM13700N
2
5
4
-VA
Q4
2N3904
C30
100pF
GND
GND
GND
R79
22k
GND
GND
Power supply
+9V
D1
L1
1N5817
10uH
C45
C44
100uF
100n
GND
GND
GND
R71
33k
2
R72
1
3
10k
GND
IC9A
GND
RC4558P
GND
GND
Q6
GND
2N3906
GND
LIMIT LED
3mm red
Q7
MPSA13
-VA
-VA
VA
L2
10uH
C42
C32
C34
DC1
22uF
100n
100n
2
6
+VIN
+VOUT
7
COM
C46
1
8
-VIN
-VOUT
C43
C33
C35
47uF
DC/DC CONVERTER
22uF
100n
100n
TEC 3-0923
L3
GND
GND
10uH
-VA
VA
R81
OUT
2k7
R73
10k
VA
-VA
IC9B
RC4558P
6
7
5
6
-VA
7
5
IC7B
RC4558P
C31
GND
10uF
V+
7
IC8_BUF1
-VA
LM13700N
GND
V+
10
IC8_BUF2
LM13700N
R78
10k
GND
C36
C38
C40
22uF
22uF
22uF
C37
C39
C41
GND
22uF
22uF
22uF
15