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6-20
1
2
DVDR3375 AV Board Electrical Diagram : AUDIO DAC
C80
680PF
C81
R45
R46
10UF/16V
3.3K
7.5k
1
2
AOUT_L
C83
R51
680PF
A
10K
R54
C105 A5
4.7K
GND_AV
C109 A6
C132 A7
C135 B6
C136 C7
R67
C137 C7
C138 C8
V12
C91
C141 C6
680PF
22
C89
C142 C7
C143 C7
0.1UF
C92
R70
R71
C144 E3
10UF/16V
3.3K
7.5K
GND_AV
C145 C8
C146 D5
1
2
AOUT_R
C151 E3
C152 E1
C153 E3
C94
R75
680PF
C154 E3
10K
C155 E1
C156 D5
R78
4.7K
C157 E1
C158 E5
C159 E5
B
C160 E1
V12-
GND_AV
C161 E5
C162 F5
R79
22
C163 F1
C164 F1
C165 B5
C166 B5
C167 B5
C168 B5
C169 B6
C170 B6
C171 B6
C172 B6
V12
Q2
D5
C175 B6
C240 D7
2N3906
1N4148
C241 D7
1
2
C242 D7
C246 A6
C247 A6
AMUTE
C248 D6
C249 E6
R53
V12
R56
NC
47K
C80
A2
VCC
C81
A1
FROM P1
C82
A3
R59
MUTE
100
C83
A2
R60
0
R61
3.3K
C84
A4
C
C86
C1
C87
C2
C88
C4
C89
B2
C90
B2
2
1
1
2
Q8
C91
A2
C92
B1
2N3906
D8
D9
C93
B3
1N4148
1N4148
C94
B2
C95
B4
+
+
C96
B2
C86
C87
C97
B3
D20
A5
220UF/16V
470UF/16V
D21
A5
D22
D5
D23
D3
GND_AV
GND_AV
D24
D5
D25
E3
R153
VCC_VOUT
D26
E5
Q24
75
2N3906
D27
E3
D28
E5
D29
E3
L3
CVBS_OUT
D30
E3
4.7UH
L4
D31
E5
D32
E3
4.7UH
C152
R154
R536
D33
F5
300
330
D34
F5
D
D35
F6
220PF
GND_Vout
D4
C3
D5
C2
VCC_VOUT
D6
C2
GND_Vout
R155
75
D7
C2
L6
D8
C1
D9
C1
L5
4.7UH
C_OUT
FB16 A6
4.7UH
FB17 A6
FB24 C5
R156
Q25
C155
300
R537
2N3906
FB25 C5
330
FB26 B7
FB27 B7
220PF
GND_Vout
FB28 C5
FB30 C6
R157
GND_Vout
VCC_VOUT
FB31 C6
75
FB32 C7
L7
L8
FB33 C5
4.7UH
4.7UH
FB34 C8
Y_OUT
Q26
FB35 C5
2N3906
FB36 C5
C157
R158
FB38 C5
300
R538
FB39 D3
220PF
330
FB40 E3
GND_Vout
FB41 D2
FB42 D2
GND_Vout
FB43 D2
R159
E
VCC_VOUT
FB44 D2
75
FB45 D2
FB46 E3
L9
L10
FB47 D2
Pr/R_OUT
Q27
FB48 D2
0.47UH
0.47UH
2N3906
FB49 D5
FB50 D3
C160
R160
R539
FB51 D3
300
330
FB52 D3
100PF
GND_Vout
FB53 D3
FB54 D3
FB55 D5
R161
GND_Vout
VCC_VOUT
FB56 E5
75
FB57 E5
FB58 F5
L11
L12
Y/G_OUT
Q28
0.47UH
0.47UH
2N3906
R162
C163
300
R540
100PF
330
GND_Vout
R163
GND_Vout
VCC_VOUT
75
L13
L14
F
Pb/B_OUT
Q29
0.47UH
0.47UH
2N3906
C164
R164
R541
300
330
100PF
GND_Vout
GND_Vout
1
2
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3
MUTEC
R42
R43
3.3K
NC
C82
R47
R48
R49
22UF/16V
1K
0
0
3
+
1
1
2
2
-
U7A
NJM4580E
Q3
Q4
R52
2N3904
NC
100K
R55
4.7k
GND_AV
C90
12VRL
MUTEC
100UF/16V
R68
R69
+
3.3K
NC
GND_AV
C93
R72
R73
R74
10UF/16V
5
1K
0
0
+
7
1
2
6
-
U7B
NJM4580E
R76
Q10
Q11
R77
C95
4.7k
100K
2N3904
NC
100PF
12-VRL
GND_AV
C96
C97
0.1UF
100UF/16V
GND_AV
R44
4.7k
D4
VCC_STB
2
1
R50
10k
D6
V12-
VCC_STB
1N4148
1N4148
1
2
R57
1K
Q5
R58
1K
Q6
2N3904
1
2
2N3906
R62
D7
1N4148
100k
GND_AV
MUTEC
R64
100k
V12-
C88
0.1UF
GND_AV
CON6/2MM
CON7/2MM
FB50
R_OUT
6
FB41
GND_AV
FB51
CVBS
7
5
FB42
C
FB52
6
L_OUT
4
VCC
FB43
Y
FB53
5
3
FB44
4
IEC_AUDIO_DG
2
FB45
R
FB54
3
IEC_AUDIO
1
FB47
G
2
XP10
B
1
FB48
TO AV OUTPUT BOARD
XP7
TO AV OUTPUT BOARD
V33
Video Input
D23
1N4148
FB39
BK1608HM121-T
CVBS_IN
CVBS_CIN
D25
C151
1N4148
33PF
V33
GND_Vout
GND_Vin
D27
1N4148
FB40
BK1608HM121-T
R_Y_IN
Y_CIN
J2
D29
C153
1N4148
33PF
3
5
G2
Y
V33
2
G1
GND_Vout
1
4
G0
C
GND_Vin
D30
GND_Vin
1N4148
FB46
COMBO
BK1608HM121-T
R_C_IN
C_CIN
D32
C154
1N4148
33PF
GND_Vin
GND_Vin
3
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4
5
VCC
D20
D21
1N4148
1N4148
L_OUT
J1
C84
C105
100PF
1000PF
3
2
1
C109
1000PF
GND_AV
VCC
VCC_VOUT
R_OUT
FB60
C165
FBMJ2125HS420-T
C166
C167
C168
+
220UF/16V
0.1UF
0.1UF
0.1UF
GND_AV
GND_Vout
VCC
R143
R144
R145
R146
4.7K
4.7K
1K
1K
IDC_SCL
IDC_SCL
IDC_SDA
IDC_SDA
MIC_DELAYB
MIC_DELAYA
TV_SCL
IDC_SCL
CON6/2MM
FB24
FBA04HA450BA
TV_SCL
6
TV_SDA
TV_SDA
FB25
FBA04HA450BA
IDC_SDA
5
TV_V5
4
TV_32V
3
GND_TUN
2
VTUN_STB
TV_V5
FB28
VCC_TUNER
1
XP5
CON6/2MM
TV_32V
FB33
BK1608HM601-T
+32V
TV_AO
6
GND_TUN
5
TV_IF
TV_AO
FB35
BK1608HM601-T
4
3
GND_TUN
TV_IF
FB36
BK1608HM121-T
2
TV_CVBSO
1
XP6
TV_CVBSO
FB38
BK1608HM121-T
VCC
D22
1N4148
FB49
BK1608HM121-T
J3
C156
1000PF
R292
47K
VCC
R293
GND_Vin
47K
D24
1N4148
FB55
GND_Vin
BK1608HM121-T
V33
C158
1000PF
D26
FB56
1N4148
BK1608HM121-T
GND_Vin
Pb/B_IN
D28
C159
1N4148
33PF
GND_Vin
GND_Vin
V33
J4
D31
1N4148
FB57
BK1608HM121-T
Pr/R_IN
RCA1A
C161
D33
33PF
1N4148
V33
GND_Vin
GND_Vin
D34
1N4148
Y/G_IN
D35
C162
FB58
1N4148
33PF
BK1608HM121-T
GND_Vin
GND_Vin
GND_Vin
4
5
6-20
6
7
VCC
GND_AV
C132
U10A
0.1UF
U10B
R88
14
14
47K
C246
IEC_0
1
2
3
4
AO_IEC958
10UF/16V
7
7
FB16
1
2
R_RIN_2
74HCT04N
74HCT04N
FB17
1
2
U10C
R_LIN_2
14
R93
C247
5
6
47K
10UF/16V
7
74HCT04N
U10D
14
9
8
7
74HCT04N
U10E
14
IEC_AUDIO_DG
11
10
C169
C170
C171
C172
C175
7
0.1UF
0.1UF
0.1UF
0.1UF
0.1UF
74HCT04N
U10F
14
13
12
7
74HCT04N
VCC_STB
FB26
FBA04HA450BA
VCC
VTUN_STB
FBMJ2125HS420-T
R133 22
C135
C134
10UF/16V
0.1uF
+
+
C136
100UF/16V
GND_TUN
FB30
C141
C142
FBA04HA450BA
BDCOMP
100PF
56PF
R134
FB31
R135
10K
FBA04HA450BA
1K
R136
R137
1K
100K
GND_TUN
GND_AV
C144
0.47UF
Q20
R138
2N3904
R139
100K
100K
GND_AV
GND_AV
VCC
FB64 0805
C240
100UF/16V/short
+
Q37
2N3904
C248
GND_AV
10UF/16V
1
2
Q38
R_LIN_1
R277
2N3904
L15
R278
NC
100K
1K
R279
1K
GND_AV
C249
10UF/16V
Y/G_IN
1
2
R_RIN_1
Pb/B_IN
Pr/R_IN
R_Y_IN
R_C_IN
CVBS_IN
TV_CVBS_IN
FB59
DNS-FBA04HA450BA
XP9
Pr/R_OUT
1
2
Pb/B_OUT
3
4
Y/G_OUT
5
6
Y_OUT
7
8
CVBS_OUT
9
10
C_OUT
11
FMN11/1.0mm
GND_AV
6
7
8
C133
R130
A
0.1UF
390
IEC_AUDIO
R131
FB59 E7
91K
FB60 B5
FB62 C8
FB64 D7
Q8
C2
J1
A5
J2
E3
J3
D4
J4
E4
L3
D1
L4
D1
L5
D1
L6
D1
L7
E1
L8
E1
L9
E1
IEC_AUDIO_DG
Q10
B3
Q11
B3
Q2
C1
Q20
C7
Q24
D2
Q25
D2
Q26
E2
B
Q27
E2
Q28
F2
Q29
F2
Q3
A3
Q37
D7
Q38
D7
Q4
A4
Q5
C3
VCC_TUNER
Q6
C4
FB27
R130 A8
R131 A8
R133 B6
R134 C6
R135 C6
C138
R136 C7
+
C137
0.1UF
R137 C7
100UF/16V
R138 C7
R139 C7
FB62
R140 D7
R143 B5
V12
GND_TUN
R144 B5
FB34
R145 B5
R145 B5
VCC
R146 B5
+
C146
C145
R153 D2
0.1UF
100UF/16V
R154 D1
R155 D2
C
R156 D2
GND_AV
R157 D2
FB32
R158 E1
FBA04HA450BA
R159 E2
R160 E1
TV_MONO
R161 E2
C143
R162 F1
0.47UF
R163 F2
R164 F4
R277 D7
R278 D7
R279 D7
R292 D5
R293 D5
R42
A3
R140
R43
A4
NC
R44
B3
R45
A2
R46
A2
C241
R47
A3
0.1UF
R48
A3
R49
A4
R50
C3
L16
R51
A2
NC
R52
A3
R53
C1
TV_CVBS_IN
R536 D2
D
R537 D2
C242
R538 E2
NC
R539 E2
R54
A2
R540 F2
R541 F2
R55
A2
R56
C2
R57
C3
R58
C3
R59
C1
R60
C1
XP8
R61
C2
R62
C3
1
R64
C3
2
R67
A2
3
R68
A3
4
R69
A3
5
R70
B2
6
R71
B2
7
R72
B3
8
R73
B3
9
R74
B4
10
R75
B2
11
R76
B3
12
R77
B3
13
E
R78
B2
14
R79
B2
FMN14/1.0mm
R88
A6
GND_Vin
R93
A6
U10E B7
U10A A7
U10D B7
U10C A7
U10F B7
U10B A7
U7A
A2
U7B
B2
XP10 D4
XP5
C4
XP6
C4
XP7
D2
XP8
E8
XP9
E6
F
8
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