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6-3
1
Front Board For DVP3020(K)/3026(K)/3028/3040(K)/3042/3046
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
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
1.2K
2.2K
1.8uH
1
E
3
C202
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
2.2
+12V
AC2
CE302
R322
470
R324
330
R325
5.6
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
ZD200
U302A
2
12V
1
3
C203
NJM4558
C204
NJM4558
100p
RP200
100p
R208
5
+
10K
7
MIC
+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
D301
13
KEY4
12
1N4148
KEY3
R311
C307
47p
2.2K
K302
R307
PLAY/PAUSE
R312
2.2K
10K
K303
R308
stop
R313
2.2K
10K
open/close
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
6-3
5
R200
E1
R201
E2
R202
E1
R203
E1
R204
E2
R205
E2
R206
E2
R207
E3
R208
E3
R209
E3
R210
E3
R300
C2
R301
C2
R302
C2
R303
B3
R304
B3
R305
B3
R306
B3
R307
B4
R308
C4
R309
C4
R310
C4
R311
B3
R312
B3
R313
C3
R314
B1
R315
D5
R316
B2
R317
A1
R318
B1
R319
B2
R320
A2
R321
A2
R322
A2
R323
A2
R324
A2
DV33
R325
A3
R315
R326
E4
100 ohm
R338
B1
+
R339
B1
CE301
47uF
C200
E1
C201
E2
C202
E2
C203
E2
C204
E2
C205
E2
C206
E3
C207
E1
C208
E2
C209
F3
C300
C3
DV33
C301
C3
C302
C3
C303
B3
C304
B2
5
6
A
C305
B3
C306
D4
C307
B4
C308
B4
C309
B1
C310
D2
C311
C4
C312
C4
C313
B1
C314
D1
B
C315
D4
C316
E4
CE200
E1
CE201
E2
CE300
B2
CE301
D4
CE302
A2
CE303
A3
CE304
D2
J1
F1
J2
F2
J3
F2
L200
E2
Q200
E1
Q300
B2
C
Q301
B2
Q302
B2
Q305
B1
Q306
A1
D200
E1
D301
B4
D302
B4
ZD200
E3
ZD301
B2
ZD303
A2
U302A
E2
U302B
E3
RP200
E2
MIC200
E1
D
K302
B4
K303
C4
K304
C4
K305
B4
U301
B3
CON301
C1
CON302
E4
REM301
D4
VFD
A3
E
F
6

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