10.
Circuit Diagrams and PWB Layouts
10-4-4
ADC/DAC/AUDIO/SIF
20140_503.eps
ADC/DAC/AUDIO/SIF
B04
B04
2016-5-25
C
715G7853
ADC/DAC/AUDIO/SIF
HD_PB
NT72666 ADC / DAC
U401E
NT72666BG-DA/A
VGA_R
AC41
VGA_G
AC42
SOG_1
AD40
VGA_B
AD42
VGA_HS
AD38
VGA_VS
AD39
Y PBPR0_PR
AE41
Y PBPR0_Y
AF41
SOG_0
AF42
Y PBPR0_PB
AG42
CVBS0
Y 40
TUNER_CVBSIN
W41
S_Y
AA42
ADC0M
Y 41
ADC1M
AE40
ADC2M
AF40
ADC3M
AG40
FSADJ
A23
TVDAC_OUT
C24
SCART1_R
AC40
SCART1_G
AB41
SOG_2
AC37
SCART1_B
AB40
SCART0_Y
Y 42
SCART0_FB
AA40
S_C
AA41
CVBS_OUT
W40
ADC1VMID
AD41
ADC3VMID
AG41
SOG_3
AB38
SOG_4
AC38
SOG_5
AC39
R135
NC/22R 1/16W 5%
R107
100OHM
R108
100OHM
R109
100OHM
C121 47NF 16V
C123 47NF 16V
C122 470pF 50V
R110
100OHM C124 47NF 16V
HD_Y _CVBS
C105 100N 16V
C104 100N 16V
R262
470R 1/16W 5%
R1
2
8
75R
1/
16W
1
%
R263
470R 1/16W 5%
R111
1K5 1%
R
129
75R
1/
16W
1
%
Grounding
AUOUT_R0
14
Grounding
C119
3
.3
NF 5
0
V
R121
470R 1/16W 5%
R122
470R 1/16W 5%
C1
0
1
470pF
50V
IDENT_VIDEO
C138
NC/470pF 50V
C139
100N 16V
R139
22R 1/16W 5%
R138
NC/10K
CN118
3P
GND
1
VCC
2
VIN
3
GND
4
GND
5
SPDIF Out
1st
088G 78F112VCL
2nd
388G078F118VQS
C127
2.
2U
F
10V
C128
100N
16V
FB107
300R
1
2
C129
2.
2U
F
10V
C130
100N
16V
R112
100OHM
C120
3
.3
NF 5
0
V
C
109
12P 50V
HD_PB
C125 10UF 6.3V 20%
HD_AV_L
C126 10UF 6.3V 20%
HD_AV_R
C131
2.
2U
F
10V
C132
100N
16V
C1
0
2
470pF
50V
R143
NC/100OHM
TUN_DIF-
13
13
R104
100OHM
SPDIF_OUT
C1
4
1
470pF
50V
R105
100OHM
R1
4
4
4K7 1/
16W
5
%
C136 10UF 6.3V 20%
VGA_LIN
C137 10UF 6.3V 20%
VGA_RIN
R106
100OHM
R127
100OHM C135 47NF 16V
ZD112
NC/ML
V
G
0
4
0
2
1
2
VGA_RIN
VGA_LIN
R102
10K 1%
R101
10K 1%
CN605
PHONE JACK
1
2
3
ZD111
NC/ML
V
G
0
4
0
2
1
2
ZD110
NC/ML
V
G
0
4
0
2
1
2
PC / DVI Audio in
R1
4
6
4K7 1/
16W
5
%
R1
4
7
4K7 1/
16W
5
%
C
110
12P 50V
ZD113
NC/ML
V
G
0
4
0
2
1
2
HD_Y _CVBS
C
111
12P 50V
HD_PR
ZD114
NC/ML
V
G
0
4
0
2
1
2
C
B
A
CN101
RCA JACK
1
2
3
4
5
6
7
IF_AGC
A
B
CN102
CONN
2
1
4
3
C108 NC/12P 50V
R130
NC/0R05 1/16W
CLOSE TO U401
I2SOUTC_WS
I2SOUTC_DATA
I2SOUTC_WS 14
I2SOUTC_BCLK 14
I2SOUTC_MCLK 14
R132
22R 1/16W 5%
I2SOUTC_DATA 14
R134
NC/10K 1/16W
R133
22R 1/16W 5%
I2SOUTC_MCLK
R131
22R 1/16W 5%
C103
NC/47pF 50V
I2SOUTC_BCLK
R140
2K2 1/16W 5%
C140
100N 16V
R142
100OHM
R141
10K 1%
MAIN3V3
C1
4
2
470pF
50V
ZD115
NC/ML
V
G
0
4
0
2
1
2
ZD116
NC/ML
V
G
0
4
0
2
1
2
R136
NC/22R 1/16W 5%
NT72666
AUDIO / IF
U401G
NT72666BG-DA/A
ADIN_L0
R41
ADIN_R0
R42
ADIN_L1
R40
ADIN_R1
P42
ADIN_L2
P41
ADIN_L3
N41
ADIN_R2
P40
ADIN_R4
M42
ADIN_R3
N40
ADIN_L4
M41
DACOUT_L0
V40
DACOUT_R0
U42
DACOUT_L1
V41
DACOUT_R1
V42
AUD_VRM
T41
AUD_VRP
T40
AUD_VCM
U41
AUD_VCM_I
U40
GPA_10 / I2S_OUT_A_DATA
K41
GPA_11 / I2S_OUT_A_WS
K40
GPA_12 / I2S_OUT_A_BCLK
J42
GPA_13 / I2S_OUT_A_MCLK
J41
GPA_6 / I2S_IN_DATA / INT3
M40
GPA_7 / I2S_IN_WS / INT4
L42
GPA_8 / I2S_IN_BCLK / INT5
L41
GPA_9 / I2S_IN_MCLK / DEMOD_Debug_LED
L40
GPH_18 / SPDIF_IN / MPLL_TEST / SPDIF_OUT2
C2
GPH_19 / SPDIF_OUT
C1
SIF+
AJ40
SIF-
AJ41
GPA_15 / Tuner RF AGC/ DEMOD_Emergency
F41
GPA_14 / Tuner IF AGC
F42
DEMOD+
AH41
DEMOD-
AH40
R137
NC/22R 1/16W 5%
HD_Y _CVBS
HD_AV_R
HD_AV_L
R1
4
5
4K7 1/
16W
5
%
AUOUT_R1
11
R125
10K 1%
R113
75R 1/16W 1%
AUOUT_L1
11
R171
NC/22R 1/16W 5%
C107 47NF 16V
C117 47NF 16V
C1
33
3
.3
NF 5
0
V
C1
3
4
3
.3
NF 5
0
V
R
264
22K 1/
16W
5
%
R
265
22K 1/
16W
5
%
C118 47NF 16V
R126
10K 1%
C106 47NF 16V
TP408
R114
75R 1/16W 1%
IDENT_VIDEO
LNB_EN
13
MAIN3V3
R115
22K 1/
16W
5
%
HD_PR
R116
22K 1/
16W
5
%
IF_AGC
13
R103
100OHM
CVBS_OUT
R
119
75R
1/
16W
1
%
AUOUT_L0
14