1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
TO KARAOKE-ECHO BOARD CON601
KARAOKE AMPLIFIER BOARD
AUXOUTL
MICOUTL
GND
MICINL
AUXOUTL
MICOUTL
VA-
VA+
VA-
VA+
MICINL
R408
10K
R405
10K
C410
4.7UF/16V
R401
2.2K
C403
100UF/25V
R409
8.2K
C401
104
C409
101
R407
47K
+
-
U401B
4558
5
6
7
8
4
C402
22UF/16V
R404
1K
+
-
U401A
4558
3
2
1
8
4
R406
1K
R403
47K
C408
22UF/16V
C404
104
R402
1.2K
CN401
PITCH=2.0*7
3
4
5
6
7
2
1
3
4
5
6
7
2
1
C406
104
C407
101
MIC401
1
2
3
1
2
3
RP401
10K*
C411
1uF/16V
C405
100UF/25V
C401 A2
C402 B3
C404 B3
C405 A3
C406 A3
C407 B3
C408 D2
C409 C2
C410 A3
C411 C2
CN401 C4
MIC401 A1
R401 A2
R402 B3
R403 B3
R404 C2
R405 C2
R406 C2
R407 A2
R408 A2
R409 C2
RP401 B3
U401B C2
U401A A3
8-2
8-2