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6-1
1
Front Board Electric Diagram For DVP3180K/93
A
+5V
R320
R317
470
10K
Q306
3904
R321
470
R314
18K
C309
0.1u
Q305
Q300
3904
R338
3904.
1K
R318 4.7K
R319
10K
C313
R339
1000p
1K
B
C
FROM MAIN BOARD
CON301
MIC
1
AGND
2
+12V
3
-24V
4
IR
5
DV33
6
GND
7
DATA
8
CS
9
CLK
10
LED-
11
POWER_K
12
CON12(2.0)
C314
47p
D
+6V
-12V
CE200
C200
CE201
C201
22uF
0.1u
22uF
0.1u
L200
MIC200
R200
R201
2
2
1.2K
2.2K
1.8uH
1
1
E
C202
3
3
Q200
3904
100p
C207
D200
1uF/0805
1N4148
R204
R203
R202
1K
8.2K
4.7K
J1
0
AGND
GND
AGND
When have no karaoke, this inside of
circle a piece is"OPEN"
F
1
2
3
VFD
R341
12
+12V
AC2
CE302
R322
470
R324
330
R325
12
AC1
Q301
3.3uF/50V
3904
ZD303
R323
CE303
6.2V
10K
3.3uF/50V
C305
0.1u
Q302
-24V
3906
34
G4
35
G3
CE300
C304
C303
R303
R304
R305
R306
36
G2
47uF
0.1u
0.1u
10K
10K
10K
51K
37
G1
+5V
38
VDD
39
LED4
40
+
LED3
ZD301
41
LED2
5.1V
42
LED1
43
GND
R316
1K
44
OSC
+12V
R327
1K
CS
R300
100
CLK
R301
100
DATA
R302
100
C302
C301
C300
100p
100p
100p
-24V
C310
CE304
0.1u
22uF/50V
+12V
R211
1K
C205
47p
+6V
R212
1K
R213
1K
R205
56K
-12V
-24V
R210
3.3K
-12V
U302A
ZD200
2
12V
1
3
C203
NJM4558
C204
NJM4558
100p
RP200
100p
5
R208
+
10K
MIC
7
+12V
C208
6
-
1uF/0805
1K
U302B
R209
680
R207 6.8K
R206
C206
47p
3.9K
C209 1uF/0805
J2
J3
0
0
GND
AGND
GND
2
3
4
VFD-54
AC2
-24V
22
SEG8
PT6312
21
SEG7
20
SEG6/K6
U301
19
SEG5/K5
18
SEG4/K4
17
SEG3/K3
16
SEG2/K2
15
SEG1/K1
14
VDD
+5V
13
D301
KEY4
1N4148
12
KEY3
R311
C307
47p
2.2K
K302
R307
PLAY
R312
2.2K
10K
K303
R308
OPEN/CLOSE
R313
2.2K
10K
STOP
K304
R309
10K
R310
10K
REM301
3
VCC
2
GND
IR
1
IR
REM
C306
C315
0.1u
47p
R326 470
LED+
1
LED-
2
GND
3
POWER_K
4
CON302
CON4(2.0)
C316
47p
4
6-1
5
DV33
R315
100 ohm
+
CE301
47uF
DV33
5
6
A
B
C
D
E
F
6
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