CIRCUIT DIAGRAM
23
4. MICROPHONE BOARD SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
A1.0
2399 KARAOKE SCHEMATIC
A3
1
1
Tuesday, April 03, 2007
G
VG
D
IG
IT
A
L
TE
C
H
N
O
LO
G
Y
LT
D
..C
O
Title
ve
R
re
b
mu
N t
ne
mu
co
D
ezi
S
te
eh
S
:et
a
D
of
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R2
6
1k
C129
4.7UF/50V
+ -
R114 10
K
R116 10K
C22
100UF/16
V
+ -
C110
0.1
U
R9 0E
C113
0.1
U
C12
2
3900PF
C128
4.7UF/50V
+
-
C123
4.7UF/50V
+
-
R113 10
K
C114
0.1
U
C3
2
1000
P
1
2
MIC1
1
4
3
2
1
4
3
2
C24
100
P
C111
100UF/16V
+ -
R3 1.5K
C125 4.7UF/50V
+
-
U2
A
45
58
3
2
1
4
8
U2B
455
8
5
6
7
4
8
C117
56
0P
C2
8
1000
P
1
2
C120
10UF/50V
+
-
C10
0.1U
R1
2
47K
R23
10K
R121
10
K
C115 10
4
R117
4.7K
R2
8
15
0K
R2
5
100
K
R2
7
15
0K
R1
8
1k
C112
47UF/16
V
+ -
C1 22UF/25V
+ -
R110
15
K
C230
0.1U
C119
0.01UF
C23
0.1U
R22
10K
R111 5.6K
R11
9
18K
C1
9
1000
P
R118 15K
L1 RH3.5*4.7*0.8
C116
104
C124 10UF/50
V
+
-
C2
5
100
P
CN
1
CNS-3P
1 2 3
Q1
2SC1815
1
2
3
B
C
E
R11
5
10K
R24 82
K
C118 3300PF
MIC2
1
4
3
2
1
4
3
2
R12
0
100
K
C12
1
56
0P
C2
7
1000
P
VR
1
A2
0K
1
3
2
C3
1
10UF/50
V
+-
C2
6
10UF/50V
+-
C11
220UF/16
V
+ -
C17
10UF/50
V
+
-
C3
0
4.7UF/50V
+
-
R21
0E
D1 5.6
V
1
2
L2
RH3.5*4.7*0.8
R122
15
K
R112 15
K
VR
2
A2
0K
1
3
2
U1
TP
23
99
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VC
C
1/2VC
C
1/2VCC
VCC
VC
C
1/2VC
C
Summary of Contents for DG-K301
Page 13: ...12 CIRCUIT OPERATIONAL DESCRIPTION 3 SDRAM MMSD416T216 O SDROM MMSD416T216 O Pin Assignments ...
Page 20: ...CIRCUIT DIAGRAM 19 2 DECODE BOARD SCHEMATIC DIAGRAM ...
Page 21: ...CIRCUIT DIAGRAM 20 ...
Page 22: ...CIRCUIT DIAGRAM 21 ...
Page 25: ...24 PCB CIRCUIT BOARD 1 POWER SUPPLY BOARD ...
Page 26: ...PCB CIRCUIT BOARD 25 2 DECODE BOARD ...
Page 27: ...PCB CIRCUIT BOARD 26 3 CONTROL BOARD 4 MICROPHONE BOARD ...
Page 28: ...27 WAVEFORMS 1 VIDEO IC100 S5L5008 85Pin DAC0 IC100 S5L5008 86Pin DAC1_PB ...
Page 29: ...WAVEFORMS 28 IC100 S5L5008 87Pin DAC2_Y IC100 S5L5008 90Pin DAC3_C ...
Page 30: ...WAVEFORMS 29 IC100 S5L5008 91Pin DAC4_CVBS 2 AUDIO C100 S5L5008 95Pin FR ...
Page 31: ...WAVEFORMS 30 IC100 S5L5008 96Pin FL IC100 S5L5008 108Pin SPDIF_R ...
Page 32: ...WAVEFORMS 31 3 SYSTEM WAVEFORMS CON1_4P IR CON1_6P DAIO ...
Page 33: ...WAVEFORMS 32 CON1_7P CLK CON1_8P STB ...
Page 34: ...WAVEFORMS 33 CON2_17P RF NSYS_RESET_3 3V ...
Page 35: ...WAVEFORMS 34 SDRAM CLK Crystal 4MHz ...
Page 36: ...WAVEFORMS 35 Crystal 27MHz IC1 7Pin 6Pin_open_close ...
