Vitek VT-4073 Schematic
5
4
3
2
1
R94
31k
C65 100pF
-12V
C66 10uF/16V
+
ARS
D D
C71 10uF/16V
ASUBW
C C
AL
AR
B B
ACENTER
A A
ALS
+
C75 10uF/16V
+
C79 10uF/16V
+
C85 10uF/16V
+
C91 10uF/16V
+
R104
R103
5.1k
10k
C68
1000pF
R112
31k
R114
R113
5.1k
10k
C73
1000pF
R116
31k
R118
5.1k
R117
10k
C77
1000pF
R122
31k
R126
R125
5.1k
10k
C83
1000pF
R133
31k
R137
5.1k
R136
10k
C87
1000pF
R139
31k
R142
R141
5.1k
10k
C94
1000pF
5
U10A
-
2
+
3
8 4
+12V
C70 100pF
-12V
U10B
-
6
+
5
8 4
+12V
C74 100pF
-12V
U11A
-
2
+
3
8 4
+12V
C78 100pF
-12V
U11B
-
6
+
5
8 4
+12V
C84 100pF
-12V
U12A
-
2
+
3
8 4
+12V
C89 100pF
-12V
U12B
-
6
+
5
8 4
+12V
1
NJM4558 OPA
7
NJM4558 OPA
1
NJM4558 OPA
7
NJM4558 OPA
1
NJM4558 OPA
7
NJM4558 OPA
R202 100k
R203 100k
R204 100k
R205 100k
R206 100k
R207 100k
A_MUTE
A_MUTE
A_MUTE
A_MUTE
A_MUTE
A_MUTE
R107
100
R195
1k
R115
100
R196
1k
R119
100
R197
1k
R127
100
R198
1k
R138
100
R199
1k
R143
100
R200
1k
RSCH
Q12
1
2N3904
TO-92
3 2
SUB
Q13
1
2N3904
TO-92
3 2
LCH
Q14
1
2N3904
TO-92
3 2
RCH
Q16
1
2N3904
TO-92
3 2
CENT
Q18
1
2N3904
TO-92
3 2
LSCH
Q19
1
2N3904
TO-92
3 2
4
MIC_2
MIC_L
CN7
MIC
MIC_R
MIC_1
R109
4.7k
+P5V
D24
5.1V
1 2
32
Q27
1
8550
+P5V
MUTE_DAC
R140 100
R144 100
R & C closed to MT1389E
MIC_L
1
2
3
R46
20K
AD_GND
R43
20K
AD_GND
3
R176
470
+
CE33
220uF/16V
100K
MIC INPUT
C88 0.1uF
C90
0.33uF
C93 0.1uF
C95
0.33uF
MIC_R
R5 100K
C55 100PF
R8
10K
C52
820PF
AD_GND
R24 100K
C45 100PF
R42
10K
C44
820PF
AD_GND
1N4148
R131
4.7k
R134 10K
-12V
2
3
+12V
-12V
6
5
+12V
D16
47uF
-
+
8 4
-
+
8 4
R108
AD_GND
12
R132
2.7k
1
U1A
NJM4558
7
U1B
NJM4558
+
CE32
AKIN1
AKIN2
+12V
R105
100R-DIP
D23
1N4148
1 2
R145
32
Q28
1
3906
R52
100R
MIC_2
MIC_1
32
Q24
1
8550
10K
D17 1N4148
1 2
D18 1N4148
1 2
D19 1N4148
1 2
2
R129 100k
A_MUTE
-12V
-12V
WM8766
22k
22k
22k
22k
22k
22k
1800pF
1800pF
1800pF
1800pF
1800pF
1800pF
180pF
180pF
180pF
180pF
180pF
180pF
CB58
0.1uF
AUDIO
Int. DAC
1000pF
1000pF
1000pF
1000pF
1000pF
1000pF
100pF
100pF
100pF
100pF
100pF
100pF
CB59
0.1uF
R94
R112
R116
R122
R133
R139
C68
C73
C77
C83
C87
C94
C65
C70
C74
C78
C84
C89
CB57
CB56
0.1uF
0.1uF
SHEN ZHEN HAPPY TECHNOLOGY CO.,LTD.
Title
Size Document Number Rev
Date: Sheet
31k
31k
31k
31k
31k
31k
-12V+12V
5.1CH-OUTPUT/7PIN,2.0mm
AKIN1
AKIN2
LCH
RCH
ACENTER[2]
ASUBW[2]
MUTE_DAC[2]
CB61
CB60
0.1uF
0.1uF
HY-833
1
GND
LCH
RCH
RSCH
LSCH
SUB
CENT
GND[1,2,3,4]
AL[2]
AR[2]
ALS[2]
ARS[2]
CN6
1
2
3
4
5
6
7
AKIN1 [2]
AKIN2 [2]
LCH [4]
RCH [4]
GND
AL
AR
ALS
ARS
ACENTER
ASUBW
MUTE_DAC
15Tuesday, February 14, 2006
of
5
R158
75,1%
0/NC
R160
R159
32
Q23
1
3906
0
R86
75,1%
0/NC
R88
32
Q10
1
C62
100P
3906
3906
C
E
CVBS
B
R90
150,1%
L25 1.8uH
C61
100P
D D
4
+5VV+5VV
D20
1N4148
1 2
D21
1N4148
1 2
+5VV+5VV
D12
1N4148
1 2
D14
1N4148
1 2
SCART_CVBSO
CVBSO
3
RCH
LCH
GND
ASPECT
RGB/CVBS#
GND
SCART_CVBSO
R/V
G/Y
B/U
GND
HSYNC#
VSYNC#
CN8
1
2
|
3
V
4
5
6
1
7
8
Pitch=2.0 m/m
9
10
11
12
13
SCART&VGA, 13P, PITCH=2.0M/M
2
[2]
[2]
[2]
1
AVCC[1,2,5]
GND[1,2,3,5]
CVBS[2]
R[2]
G[2]
VB[2]
ASPDIF[2]
LCH[5]
RCH[5]
HSYNC#[2]
VSYNC#[2]
RGB_SWITCH
AVCC
GND
CVBS
R
G
VB
ASPDIF
LCH
RCH
HSYNC#
VSYNC#
FS0
A21
RGB_SWITCH
FS0
A21
R74
75,1%
0/NC
R76
1
C54
100P
R80
75,1%
0/NC
R82
1
C58
100P
+5VV +5VV
32
Q6
3906
+5VV +5VV
32
Q8
3906
1 2
1 2
1 2
1 2
D4
1N4148
D6
1N4148
D8
1N4148
D10
1N4148
R146 0
G/Y
B/USC
SCART CONTROL
+12V
FS0[ 2 ]
FS1
+P5V
RGB_SWITCH[ 2 ]
FS1 A21
R147
680
R150
1
2.2k
R152 0
R154
33
R156
4.7K
R157 2.2k
R148
1k
Q20
2N3904
3 2
Q22
3906
3 2
1
C
B
E
3904 / 3906
R151
2.2k
CB64
0.1uf
1
RGB/CVBS#
3 2
ASPECT
R149
75
Q21
2N3904
LCH
R/V
RCH
B/U
CVBSO
G/Y
7
YC
GG
1234 6
P2
3
1
6
4
9
7
AV&YUV-OUTPUT
5
P1
S-VIDEO
SCSY
2
10
5
11
8
12
C C
G
R78
150,1%
B B
VB
R84
150,1%
L21 1.8uH
C53
100P
L23 1.8uH
C57
100P
COAXIAL
L27
R71
ASPDIF
+5VV
R87
75,1%
0/NC
R89
R
R91
A A
150,1%
L26 1.8uH
C63
100P
32
Q11
1
C64
100P
3906
+5VV
1 2
1 2
D13
1N4148
D15
1N4148
CE50
+
10uF/16V
L20
500MA-70R-0805
AVCC
+5VV
R/VSY
C48
0.1uF
C49
1uF
100
R73 33
C46
R72
0.1uF
100
C47
330p
OPTICAL+5VV
+P5V
C51
0.1uF
0603 600R
+
10uF/16V
CE55
COAXIAL
1
2
3
2
1
P4
345
COAXIAL
4
5
678
9
OPTICAL-OUTPUT
P3
OPTICAL
Note:Video is the high resistance output
5
SHEN ZHEN HAPPY TECHNOLOGY CO.,LTD.
Title
VIDEO
Size Document Number Rev
4
3
2
Date: Sheet
1
HY-833
15Tuesday, February 14, 2006
of
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