1
1
2
2
3
3
4
4
5
5
6
6
A
A
B
B
C
C
D
D
E
E
F
F
FROM MAIN BOARD
When have no karaoke, this inside of
circle a piece is“OPEN”
MDV434(K) Front Board
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
K306 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
+12V
+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-
GND
AGND
GND
AGND
AC2
CS
+5V
+5V
IR
POWER_K
DV33
+5V
-24V
+
CE303
3.3uF/50V
R309
10K
R319
10K
R338
1K
R205
56K
R303
10K
R311
2.2K
J1
0
R312
2.2K
C207
1uF/0805
R302
100
REM301
REM
1
2
3
IR
GND
VCC
C302
100p
CON301
CON12(2.0)
1
2
3
4
5
6
7
8
9
10
11
12
C316
47p
K303
OPEN/CLOSE
R324
330
R308
10K
R204
4.7K
+
-
U302B
NJM4558
5
6
7
8
4
C315
47p
C309
0.1u
R316
680
R317
10K
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
SD
in
GN
D
SC
LK
/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
C301
100p
R313
2.2K
R202
1K
R310
10K
R301
100
R322
470
R323
10K
D301
1N4148
R326
470
K304
STOP
L200
1.8uH
R315
100 ohm
R321
470
R300
100
R325
5.6
R200
1.2K
Q302
3906
CE201
22uF
+
CE300
47uF
+
CE301
47uF
RP200
10K
D200
1N4148
R306
51K
Q200
3904
R307
10K
ZD301
5.1V
C313
1000p
Q305
3904
+
-
U302A
NJM4558
3
2
1
8
4
C202
100p
R203
8.2K
C311
47p
C306
0.1u
R339
1K
R320
470
+
CE302
3.3uF/50V
R314
18K
R208
1K
C209
1uF/0805
ZD200
12V
R207
6.8K
C300
100p
R209
680
ZD303
6.2V
C208
1uF/0805
C312
47p
R201
2.2K
C304
0.1u
J2
0
MIC200
2
1
3
2
1
3
Q301
3904
C303
0.1u
R305
10K
C205
47p
R318
4.7K
CE200
22uF
C305
0.1u
C206
47p
CON302
CON4(2.0)
1
2
3
4
C314
47p
C201
0.1u
+
CE304
22uF/50V
J3
0
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
C200
0.1u
R341
2.2
R206
3.9K
Q300
3904.
R210
3.3K
C204
100p
K302
PLAY
C203
100p
C310
0.1u
R304
10K
Q306
3904
7
-
3
7
-
3
Содержание SDV434/19
Страница 23: ...Service Engineer Remarks 6 2 ...
Страница 25: ...6 4 6 4 Front Board Top Side Front Board Bottom side ...
Страница 29: ...7 3 7 3 Power Board Top Side ...
Страница 36: ...8 6 8 6 Mpeg Board Top Side ...
Страница 37: ...8 7 8 7 Mpeg Board Bottom Side ...
Страница 42: ...Mechanical Exploded view 9 1 ...
Страница 44: ...REVISION LIST Version 1 0 Initial release 10 1 ...