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D D
E E
F F
)5200$,1%2$5'
When have no karaoke, this inside of
circle a piece is“OPEN”
ZD200 E3
U302A E2
R208 E3
R201 E2
R202 E1
R203 E1
R204 E2
R205 E2
R207 E3
R206 E2
R200 E1
R209 E3
R210 E3
R300 C2
R301 C2
R302 C2
R303 B3
R304 B3
R305 B3
R307 B4
R306 B3
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
R325 A3
R326 E4
R338 B1
R339 B1
RP200 E2
MIC200 E1
C200 E1
C201 E2
C202 E2
C203 E2
C204 E2
C205 E2
C206 E3
C207 E1
C208 E2
C209 F3
C300 C3
C301 C3
C302 C3
C303 B3
C304 B2
C305 B3
C306 D4
C307 B4
C308 B4
C310 D2
C313 B1
CE201 E2
CE200 E1
J2 F2
J1 F1
J3 F2
CE301 D4
CE300 B2
CE302 A2
CE304 D2
CE303 A3
L200 E2
Q200 E1
Q300 B2
Q301 B2
Q302 B2
Q305 B1
Q306 A1
D200 E1
D301 B4
D302 B4
ZD301 B2
ZD303 A2
U302B E3
K305 B4
K303 C4
K302 B4
K304 C4
U301 B3
CON301 C1
CON302 E4
REM301 D4
VFD A3
C309 B1
C311 C4
C312 C4
C314 D1
C315 D4
C316 E4
DV33
LED-
GND
AGND GND
+6V
+12V
-12V
MIC
-12V
-12V
-24V
-24V
AC1
DATA
-24V
+12V
AC2
CLK
+12V
POWER_K
LED+
GND
-24V
DV33
IR
MIC
CLK
AGND
+12V
DATA
CS
LED-
GNDAGND GNDAGND
AC2
CS
+5V
+5V
IR
POWER_K
+6V
+12V
DV33
+5V
-24V
Q305
3904
L200
1.8uH
R324 330
K303
stop
R326 470
C300
100p
R307
10K
C307 47p
R202 1K
R312
2.2K
K302
PLAY/PAUSE
R314 18K
+
CE300
47uF
CON301
CON12(2.0)
1
2
3
4
5
6
7
8
9
10
11
12
C303
0.1u
R323
10K
R211 1K
Q200
3904
C204
100p
CE200
22uF
R207 6.8K
J1
0
R204
4.7K
R313
2.2K
CE201
22uF
R300 100
ZD303
6.2V
+
CE302
3.3uF/50V
C313
1000p
Q301
3904
R315
100 ohm
U301
PT6312
1
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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
R208
1K
C202
100p
Q302
3906
R201
2.2K
C205 47p
+
CE303
3.3uF/50V
R206
3.9K
C314
47p
R302 100
R322 470
C315
47p
D200
1N4148
R213 1K
ZD200
12V
C306
0.1u
J2
0
CON302
CON4(2.0)
1
2
3
4
C310
0.1u
R341 2.2
R310 10K
+
-
U302B
NJM4558
5
6
7
84
R303
10K
RP200
10K
R325 5.6
C304
0.1u
C209 1uF/0805
J3
0
C305
0.1u
R338
1K
C203
100p
C302
100p
D301
1N4148
R316 1K
R200
1.2K
R306
51K
R209
680
R339
1K
C206 47p
MIC200
2
1
3
2
1
3
R327 1K
C200
0.1u
Q306
3904
R308
10K
R311
2.2K
C301
100p
R321
470
+
CE301
47uF
R203
8.2K
+
CE304
22uF/50V
R318 4.7K
R210 3.3K
R309 10K
C207
1uF/0805
C309 0.1u
R301 100
VFD VFD-54
1
2
3
18
17
16
15
14
13
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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
+
-
U302A
NJM4558
3
2
1
8 4
R304
10K
R205 56K
C316
47p
R317
10K
K304
open/close
R212 1K
R320
470
ZD301
5.1V
R305
10K
C208
1uF/0805
Q300
3904.
C201
0.1u
R319
10K
REM301
REM
1
2
3
IR
GND
VCC
Front Board For DVP3020(K)/3026(K)/3028/3040(K)/3042/3046
6-3
6-3