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7-9
A
Main Board Circuit Diagram: MT8555_HDMI_OUTPUT
3.3V Analog Power
3.3V
R52
R52
0
0
AVDD33_VDAC_R
C302
C302
0.1uF/16V/X7R
0.1uF/16V/X7R
3.3V
4
R54
R54
0
0
AVDD33_VDAC_X
C304
C304
0.1uF/16V/X7R
0.1uF/16V/X7R
TP
TP
TP
TP
3.3V
R57
R57
0
0
AVDD33_VDAC_BG
C311 27pF/50V/NP0
C311 27pF/50V/NP0
C306
C306
0.1uF/16V/X7R
0.1uF/16V/X7R
Y300
Y300
27MHz/30PPM
27MHz/30PPM
3.3V_STBY
C300 27pF/50V/NP0
C300 27pF/50V/NP0
AVDD33_XTAL
C309
C309
C310
C310
NC
NC
0.1uF/16V/X7R
0.1uF/16V/X7R
3
PLL
1.2V
AVDD12_DMPLL
C317
C317
0.1uF/16V/X7R
0.1uF/16V/X7R
1.2V
AVDD12_APLL
C319
C319
0.1uF/16V/X7R
0.1uF/16V/X7R
1.2V
AVDD12_27MPLL
C322
C322
0.1uF/16V/X7R
0.1uF/16V/X7R
2
For PLL testing
Reserved hardware trap
AOSDATA0
AOSDATA1
AOSDATA2
AOLRCK
1
A
B
U7C
U7C
F18
C12
AVDD33_VDAC_R
OMCLK
AVDD33_VDAC_R
AOMCLK
G17
A12
OBCK
AVSS33_VDAC_R
AOBCK
B12
OLRCK
AOLRCK
AVDD33_VDAC_X
E19
C11
OSDATA0
AVDD33_VDAC_X
AOSDATA0
F19
D11
OSDATA1
AVSS33_VDAC_X
AOSDATA1
D12
OSDATA2
AOSDATA2
AVDD33_VDAC_BG
D19
E10
AVDD33_VDAC_BG
AOSDATA3
E18
F10
AVSS33_VDAC_BG
AOSDATA4
AVDD33_XTAL
C15
AVDD33_XTAL
D15
E13
AVSS33_XTAL
SPDIF
AVDD12_DMPLL
F15
R617
R617
AVDD12_DMPLL
F14
E12
AVSS12_DMPLL
MCIN
G15
AVDD12_APLL
AVDD12_APLL
G14
D10
AMUTE
AVSS12_APLL
AMUTE
AVDD12_27MPLL
E15
AVDD12_27MPLL
E14
C19
CVBSO
AVSS12_27MPLL
VDACX_OUT
C18
VDACR_OUT
VDACR_OUT
A19
VDACG_OUT
VDACG_OUT
B19
VDACB_OUT
VDACB_OUT
TXP
C14
TP301
TP301
TP_PLLG
TXN
D14
D18
FS
R305
R305
TP302
TP302
TN_PLLG
FS
E16
AVDD12_HDMI_TX
AVDD12_HDMI_TX
D16
AVDD12_HDMI_TX
C307
C307
G16
AVSS12_HDMI_TX
0.1uF/16V/X7R
0.1uF/16V/X7R
F16
AVSS12_HDMI_TX
NS_XTALI
A13
C17
NS_XTALI
AVDD33_HDMI_TX
D17
AVDD33_HDMI_TX
AVDD33_HDMI_TX
E17
AVSS33_HDMI_TX
F17
AVSS33_HDMI_TX
C314
C314
0.1uF/16V/X7R
0.1uF/16V/X7R
A16
TX0-
CH0_M
NS_XTALO
B13
B16
TX0+
R314
R314
10
10
NS_XTALO
CH0_P
A15
TX1-
CH1_M
B15
TX1+
CH1_P
A14
TX2-
CH2_M
B14
TX2+
CH2_P
A17
TXC-
CLK_M
B17
TXC+
C320
C320
CLK_P
D25
HDPLG
HTPLG
C24
CEC_M
CEC
D24
HDMISD
HDMISD
C25
HDMISCK
HDMISCK
A18
EXT_CAP
EXT_CAP
B18
EXT_RES
EXT_RES
G11
R606
R606
0
0
SPBCK
F13
R603
R603
0
0
SPDATA
F12
R604
R604
0
0
SPLRCK
F11
R605
R605
0
0
SPMCLK
MT8555_0825_A
MT8555_0825_A
CEC
R323
R323
CEC
8
CEC_M
R63
R63
33
33
C337
C337
0.1uF/16V/X7R
0.1uF/16V/X7R
B
C
D
R505
R505
47
47
13
AOMCLK
R506
R506
47
47
AOBCK
13
R507
R507
47
47
AOLRCK
13
R508
R508
47
47
AOSDATA0
13
HDMI Port
R509
R509
47
47
13
AOSDATA1
R510
R510
47
47
13
AOSDATA2
AMP_MUTE
TX2+
L4
L4
1
4
13,8
AMP_MUTE
TX2-
2
3
470
470
Q452
Q452
ACM2012H-900-2P
ACM2012H-900-2P
NPN_3DG3904M
NPN_3DG3904M
1
4
TX1+
L5
L5
TX1-
2
3
ACM2012H-900-2P
ACM2012H-900-2P
12
CVBSO
TP209
TP209
TP210
TP210
TP211
TP211
560/1%
560/1%
TX0+
1
4
1.2V
L6
L6
R306
R306
0
0
C308
C308
TX0-
2
3
ACM2012H-900-2P
ACM2012H-900-2P
NC
NC
3.3V
TXC+
1
L7
L7
4
R309
R309
0
0
TXC-
2
3
ACM2012H-900-2P
ACM2012H-900-2P
C315
C315
NC
NC
NC
NC
R317
R317
NC
NC
R321
R321
TP300
TP300
2.49K/1%
2.49K/1%
SPBCK
SPBCK
12
SPDATA
SPDATA
12
SPLRCK
SPLRCK
12
SPMCLK
SPMCLK
12
0
0
HDMI-CECT
HDMI
DDC
HDMISCK
R67
R67
HDMISD
R66
R66
C
D
7-9
E
HDMI TX
Differential Signal !
No Through Hole !
100 ohm - Impedance
ESD2
ESD2
1
10
F_TX2+
1
1
10
2
2
9
F_TX2-
3
2
9
F_TX1+
4
3
8
5
GND
GND
F_TX1-
6
4
7
7
F_TX0+
4
7
8
5
6
F_TX0-
9
5
6
F_TXC+
10
11
12
F_TXC-
PESD_TPD4S010B
PESD_TPD4S010B
HDMI-CECT
13
ARC_IN
14
ARC_IN
12
HDMI_SCL
15
ESD1
ESD1
HDMI_SDA
16
1
10
17
1
10
18
2
9
19
2
9
VCC
3
8
GND
GND
F1
F1
350mA
J1
J1
4
7
HDMI_VCC
HDMI JACK
HDMI JACK
4
7
5
6
5
6
HDPLG
R70
R70
33
33
PESD_TPD4S010B
PESD_TPD4S010B
VCC
D302
D302
R312
R312
LVSL10180Z020/18V/2pF
LVSL10180Z020/18V/2pF
1.8K
1.8K
33
33
HDMI_SCL
33
33
HDMI_SDA
R313
R313
D304
D304
1.8K
1.8K
LVSL10180Z020/18V/2pF
LVSL10180Z020/18V/2pF
VCC
E
4
3
2
1
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