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7-7
Main Board Circuit Diagram:HDMI & USB
A
1
2
3
XP82
XP82
1
1
2
2
3
3
4
VCLK
VCLK
VCLK
VCLK
VCLK
VCLK
VCLK
VCLK
4
5
VDAT
VDAT
VDAT
VDAT
VDAT
VDAT
VDAT
VDAT
5
6
VSTB
VSTB
6
7
IR_IN
IR_IN
7
8
KEY_POW
KEY_POW
8
9
9
10
10
11
11
12
12
13
13
14
MIC_L/R
MIC_L/R
14
15
MIC_Detect
15
16
16
C85
C85
16PIN/1.0mm
16PIN/1.0mm
4
D21
D21
R862
R862
15K
15K
MIC
6
MIC
LL4148
LL4148
+
+
CE23
CE23
10uF/10V
10uF/10V
A
B
Differential signal trace (TXC+/-, TX1+/-, TX2+/- and TX0+/-):
50ohm single end and 100ohm differential impedance
No via & length than 5cm
VCC3
VCC5
FL851 NC/ACM2012H-900-2P
FL851 NC/ACM2012H-900-2P
TX2+
1
C851
C851
R851
R851
R852
R852
TX2-
2
0.1uF/25V/Y5V
0.1uF/25V/Y5V
FL852 NC/ACM2012H-900-2P
FL852 NC/ACM2012H-900-2P
TX1+
1
4.7K
4.7K
1.8K
1.8K
DDC_SCL
DSCL
TX1-
2
S
D
FL853 NC/ACM2012H-900-2P
FL853 NC/ACM2012H-900-2P
TX0+
1
Q851
Q851
N_2SK3018
N_2SK3018
TX0-
2
FL854 NC/ACM2012H-900-2P
FL854 NC/ACM2012H-900-2P
VCC3
VCC5
TXC+
1
2
TXC-
R855
R855
HDMI_HPD
R854
R854
4.7K
4.7K
1.8K
1.8K
DDC_SDA
DSDA
S
D
Q852
Q852
N_2SK3018
N_2SK3018
HDMI (ARC) Circuit
R80
R80
NC/0
NC/0
+12V
R81
R81
0
0
FB845
FB845
600/200mA
600/200mA
P+5V
FB849
FB849
600/200mA
600/200mA
ST5V
FB850
FB850
600/200mA
600/200mA
VFD_CLK
4
FB851
FB851
600/200mA
600/200mA
VFD_DATA
4
VFD_STB
4
IR_IN
4
Power_k
4
FB846
FB846
600/200mA
600/200mA
6
MP3_L
FB847
FB847
600/200mA
600/200mA
MP3_R
6
FB848
FB848
600/200mA
600/200mA
MIC
6
C86
C86
C87
C87
C88
C88
C89
C89
C90
C90
C91
C91
C92
C92
C93
C93
C94
C94
AD_VCC3
R861
R861
10K
10K
MIC_Detect
SCART2
5
SCART_CON
R884
Q754
Q754
NPN_3DG3904M
NPN_3DG3904M
R863
R863
R864
R864
3K
3K
0
0
To Front Board Jack Circuit
B
C
P851
P851
4
1
2
3
3
4
5
4
6
7
3
8
9
10
4
11
12
3
HDMI_CEC
13
HDMI_ARC
14
DSCL
15
4
DSDA
16
VCC5
17
3
18
VCC
R853
R853
20K
20K
HDMI_HPD_N
19
R856
R856
C852
C852
C854
C854
CE851
CE851
C853
C853
+
+
51K
51K
100uF/16V
100uF/16V
HGND
HDMI_HPD_N
HDMI_CEC
DSCL
DSDA
ESD851
ESD851
XP221
XP221
Q221
Q221
1
VCC_USB
PNP_PBSS5320T
PNP_PBSS5320T
1
2
2
3
USB_DM
PTC/1.5A/6V
PTC/1.5A/6V
USB_DM
4
3
4
USB_DP
USB_DP
USB_DP
USB_DP
C221
C221
4
USB_DP
4
0.1uF/25V/Y5V
0.1uF/25V/Y5V
4PIN/2.0mm
4PIN/2.0mm
R223
R223
R224
R224
USB Circuit
5
C
7-7
D
E
TXC+
4
TXC+
TXC-
TXC-
4
TX0+
4
TX0+
TX0-
4
TX0-
TX1+
TX1+
4
TX1-
4
TX1-
TX2+
4
TX2+
TX2-
TX2-
4
DDC_SCL
4
DDC_SCL
DDC_SDA
DDC_SDA
4
HDMI_HPD
4
HDMI_HPD
HDMI_CEC
4
HDMI_CEC
HDMI_ARC
HDMI_ARC
6
HDMI
HDMI
HGND
ESD852
ESD852
ESD853
ESD853
ESD854
ESD854
HGND
F221
F221
M5V
180
180
180
180
3
EN1
D
E
1
2
3
4
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