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5
J4
AUDIO IN
1
2
3
GND
R2
10K
R10
1(3W)
GND
R6
15K
GND
+
C3
2200uF/25V
+
C5
10uF/50V
GND
+
C1
1uF
GND
GND
<Doc> <RevCode>A
11Friday, April 27, 2001
Title
Size Document Number Rev
Date: Sheet
of
S1 SW SPST
R5
15K
GND
GND
J3
CON2
1
2
GND
GND GND
J2
EAR PHONE
1
2
3
4
5
R9
3K
+
C9
100uF/25V
GND
J5
DC IN
1
2
GND
U1 AN7522
1
2
3
4
5
6
7
8
9
10
11
12
VCC
OUT1+
GND
OUT1-
Stand-by
Vin1
GND
Vin2
Volume
OUT2+
GND
OUT2-
GND
R11
1(3W)
R12
680
GND
J1
CON2
1
2
+
C2
1uF
C1,C2,C4 --- 1uF/50V
R7
130K
R3
33K
R8
3K
+
C4
1uF
R1
10K
GND
+
C8
100uF/16V
R4
68K
C7
0.047uF
VR1
10K
D1
LED
C6
0.047uF
13.AUDIO SCHEMATIC DIAGRAM