Karaoke Schematic Circuit Diagram - Daewoo DVG-8500N Service Manual

KARAOKE SCHEMATIC CIRCUIT DIAGRAM

1
D 1/2VCC
*R3
*Rb1 1K
1K C1
2.2uF50V
2
R1
5
4
1K
8
7
3 C3
1 1000P
MIC1
CK-6.35
1/2VCC
C
*R4
*Rb2 1K
1K
C2
2
R2
5
4 2.2uF50V
1K
8
C4
7
3 1000P
1
MIC2
CK-6.35
VCC
B
*R26 R27
47K 47K
*Q1
C1815
A
1
2 3
VCC U1A
1/2VCC
3 UJM4558 C7
1
2 VR1A
4.7uF/16V C9
R7
10K
1uF/50V
A20K
R5
33K
C5
100P R8
10K
VR1B
U1B
5 C8
A20K
7
6
4.7uF/16V
UJM4558
R6
33K
C6
100P
+5V
R16
C17
100uF/10V
R28
10K
0.1u
Q2
1015A
Q3
C1815
R29
C31 47K
10uF/16V
±
¸
2 3
4
VCC
*R9
U2A
1K 1/2VCC
3
1
2 5
CX1
R11
6
UJM4558
15K
10uF/16V
R10
51K
C13
C10 0.47uF/16V
100P
R15
15K R25
10K
C15
220uF/16V
R17 R18
10K 12K
C22
270P 3.3uF/16V
C16 4700P C23
U3 C21
1 16 560P C24
18K
2 15 0.056u
3 14
4 13
5 12 C25
R19
C18
6 11 0.056u
10K
0.1u 7 10
8 9
10K
R20
C20 C27
R22 5.6K
560P
15K
R21
0.1u
C28
4700P
C29
R23
22uF/16V
4.7K
4
5
Q4
VCC
C1815
+5V
R30
1.5K
D1
5.6V C32
22uF/16V
U2B
7
UJM4558
C12
R13
R12
1K
10uF/16V
47K
C11
100P
R14
22K
MIC OUT JP1
1
GND 4P2D54
2
+12V
3
4
C14
4.7uF/16V
R24
10K
R31
33E
C26 VR2
3900P
C20K
C34
220uF/16V
R32
22K
C30
4700P
R33
22K C33
100uF/16V
COMPANY TITLE
GVG
FILE REV
SHEET : SHEET OF DATE
DESIGN DRAWN BY CHECKED BY
5
6
D
C
VCC
B
C36
0.1u
1/2VCC
C35
0.1u
A
GV-DMA930.SCH
A/0
APPROVED BY
6
3-11