Karaoke Amplifier Board - Philips DVD590M Service Manual

8-2
1

KARAOKE AMPLIFIER BOARD

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