
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A
A
B
B
C
C
D
D
E
E
F
F
FROM MAIN BOARD
Without VFD,Without LED
With LED,Without VFD
Stuff
CN302(3-4)
When have no karaoke, this inside of circle a piece is OPEN
CN304(1-4)
CN304(1-8)
With Karaoke
Stuff
Without Karaoke
SWITCH BOARD
CN302(1-4),D302
D302
OPEN
DVP520 FRONT BOARD
IR
+12v/MICIN
AGND
F+
F-
MIC
-24V
-12v/MIC1
POWER-K
+12V/MICIN
MIC1
MIC
GND
LED-
GND
-24V
LED+
DV33
-12V/MIC1
-12V/MIC1
MICIN
CLK
CS
5V
F+
F-
DATA
VCC
-24VV
CLK
LED-
CS
VCC
IR
POWER-K
DATA
GND
DV33
DV33
5VV
-24VV
CN304
CON8(2.0)
1
2
3
4
5
6
7
8
RP200
10K
R309
10K
R310
10K
D302
+
C307
47uF
REM301
REM
1
2
3
IR
GND
VCC
C309
1000p(OPEN)
R306
51K
+
C314
22uF/50V
R300
100
ZD301
24V(OPEN)
C302
100p
R204
36K
K303
OPEN/CLOSE
R308
10K
C305
0.1u
C200
0.1u
U301
PT6312
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
SW1
SW2
SW3
SW4
SDout
SDin
GND
SCLK
/CS
KEY1
KEY2
KEY3
KEY4
VDD
SEG1/K1
SEG2/K2
SEG3/K3
SEG4/K4
SEG5/K5
SEG6/K6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
VEE
SEG13
SEG14
SEG15
SEG16
G6
G5
G4
G3
G2
G1
VDD
LED4
LED3
LED2
LED1
GND
OSC
MIC200
1
2
3
1
2
3
1
4
CN302
1
2
3
4
C300
100p
R200
2.2K
R327
33
R205
0(OPEN)
VFD
VFD-54
1
2
3
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
19
20
21
22
29
28
27
26
25
24
23
30
31
32
F
F
NP
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
NP
NP
NP
NP
1G
2G
3G
4G
5G
6G
7G
NP
F
F
C306
0.1u
D301
1N4148
C315
0.1u
+
C304
47uF
C202
0.1u
R201
47K
R312
470
C303
0.1u
K301
POWER
R303
10K
C301
100p
R313
0
R304
10K
R305
10K
C205
47uF
R203
1.2K
CN301
CON4(2.0)
1
2
3
4
R202
10K
C308
0.1u
R301
100
K304
STOP
R307
10K
C203
47uF
C204
100p
C201
22uF
C206
0.1u
R206
0(OPEN)
R317
100
+
-
U302A
4558
3
2
1
8
4
CN303
CON10(2.0)
10
9
8
7
6
5
4
3
2
1
K302
PLAY/PAUSE
R302
100
All manuals and user guides at all-guides.com
Summary of Contents for DVP520
Page 22: ...Service Engineer Remarks 6 2 All manuals and user guides at all guides com ...
Page 24: ...All manuals and user guides at all guides com ...
Page 28: ...Service Engineer Remarks 7 2 All manuals and user guides at all guides com ...
Page 30: ...All manuals and user guides at all guides com ...
Page 34: ...Service Engineer Remarks 8 2 All manuals and user guides at all guides com ...
Page 41: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 42: ...All manuals and user guides at all guides com ...
Page 48: ...Service Engineer Remarks 8 16 All manuals and user guides at all guides com ...
Page 49: ...All manuals and user guides at all guides com ...