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6-11
A
Main Board Circuit Diagram: VIDEO OUTPUT & SPDIF OUT
IC VIDEO MODULE POWER C
3.3V
R343
0
AVDD33_VDACY
C303
C304
0.1uF/25V
NC
0603-C
1
R323
0
AVDD33_VDACR
C306
C305
NC
0.1uF/25V
0603-C
R327
0
AVDD33_VDACBG
C308
C307
0.1uF/25V
NC
0603-C
IC PLL POWER
1.2V
C
R321
0
AVDD12_APLL
C302
C301
NC
0.1uF/25V
0603-C
1.2V
R324
0
AVDD12_DMPLL
C312
C311
NC
0.1uF/25V
0603-C
1.2V
2
R320
0
AVDD12_27MPLL
C315
Standby
C314
0.1uF/25V
Power
NC
0603-C
VCC3IO_STB
R322
0
AVDD33_XTAL
3.3V
C321
C320
0.1uF/25V
NC
0603-C
C334
XTALI
22pF/50V/NP0
Y301
R317
1M/1%
27MHz +/-30PPM 20pf
C335
R319
10
XTALO
22pF/50V/NP0
SYSTEM CLK
SOURCE
HDMI
DDC
IIS
AOSDATA5_R
3
AOSDATA5_R
AOSDATA4_R
AOSDATA3_R
R344
0
AOSDATA3
AOSDATA2_R
AOSDATA2_R
R341
0
AOSDATA2
AOSDATA1_R
R345
0
AOSDATA1
AOSDATA0_R
R340
0
AOSDATA0
AOLRCK_R
R346
0
AOLRCK
AOBCK_R
R338
0
AOBCK
AOMCLK_R
R339
0
AOMCLK
0603
4
A
B
U100C
AVDD33_VDACR
D17
D11
AOMCLK_R
AVDD33_VDAC_R
AOMCLK
AOBCK_R
E17
C11
AVSS33_VDAC_R
AOBCK
AOLRCK_R
E11
AOLRCK
AVDD33_VDACY
D19
A10
AOSDATA0_R
AVDD33_VDAC_X
AOSDATA0
AOSDATA1_R
E19
F11
AVSS33_VDAC_X
AOSDATA1
AOSDATA2_R
B10
AOSDATA2
C10
AOSDATA3_R
AOSDATA3
AVDD33_VDACBG
AOSDATA4_R
C19
E10
AVDD33_VDAC_BG
AOSDATA4
AOSDATA5_R
E18
D10
AVSS33_VDAC_BG
AOSDATA5
AVDD33_XTAL
ASPDIF
C14
E9
AVDD33_XTAL
SPDIF
D14
D9
AMDAT_R
AVSS33_XTAL
MCIN
AMUTE
C8
AMUTE
AVDD12_DMPLL
F14
AVDD12_DMPLL
Y 6
E12
A19
AVSS12_DMPLL
VDACX_OUT
Y 1
C17
VDACR_OUT
C18
Y 2
VDACG_OUT
AVDD12_APLL
Y 3
F13
B19
AVDD12_APLL
VDACB_OUT
F12
AVSS12_APLL
R332
CHIP_FS
D18
FS
AVDD12_27MPLL
E14
AVDD12_27MPLL
E13
AVSS12_27MPLL
TP303
TXP
AVDD12_HDMI
C12
D15
TP_PLLG
AVDD12_HDMI
TP309
TXN
D12
C15
TN_PLLG
AVDD12_HDMI
AVDD33_HDMI
C16
AVDD33_HDMI
D16
AVDD33_HDMI
E15
AVSS12_HDMI
F15
AVSS12_HDMI
E16
AVSS33_HDMI
F16
AVSS33_HDMI
A15
TX0-
CH0_M
XTALI
TX0+
A12
B15
NS_XTALI
CH0_P
A14
TX1-
CH1_M
TX1+
B14
CH1_P
A13
TX2-
CH2_M
TX2+
B13
CH2_P
XTALO
B12
NS_XTALO
A16
TXC-
CLK_M
TXC+
B16
CLK_P
E23
HPD
HTPLG
CEC
F20
CEC
HDMISD
E22
HDMISD
D23
HDMISCK
HDMISCK
0
DVCC33_IO_PWM
G10
DVCC33_IO_PWM
R331
EXT_CAP
G11
A17
DVCC33_IO_PWM
EXT_CAP
+
B17
EXT_RES
EXT_RES
CE304
C338
0.1uF/25V
100uF/16V
SPBCK
F10
SPBCK
SPSDATA
K12
B9
DGND_PWM
SPDATA
J12
A9
SPLRCK
DGND_PWM
SPLRCK
SPMCLK
J13
C9
DGND_PWM
SPMCLK
MT8550-DDR3-BGA492-090924
MT8550/BGA492/P0.8/B0.4/21X21
5V_STBY_DDC
R309
D302
ESD0603/SMD/NC
1.8K
HDMISCK
HDMI_SCL
HDMISD
HDMI_SDA
R313
D304
1.8K
ESD0603/SMD/NC
5V_STBY_DDC
B
C
HDMI
POWER
1.2V
AVDD12_HDMI
R350
0
C300
C313
10uF/10V
0.1uF/25V
3.3V
AVDD33_HDMI
R351
0
C316
C318
0.1uF/25V
4.7uF/10V
TP302
560/1%
EDID
POWER
5V_STBY_DDC
5V_STBY
R348
0
D305
IN4001/NC
Place TOP layer
C336
100pF/6.3V/NC
CEC
3.3V_STBY
R311
R337
27K
100K/NC
D303
TP304
R330
2.49K/1%
LL4148
Place TOP layer
TP305
TP306
CEC
R314
0
HDMI-CEC
TP307
TP308
C333
12pF/6.3V/NC
TX2+
1
10
1
10
TX2-
2
9
2
9
3
8
GND
GND
TX1+
4
7
4
7
PESD_TPD4S010B
TX1-
5
6
5
6
D300
D301
TX0+
1
10
1
10
TX0-
2
9
2
9
3
8
GND
GND
TXC+
4
7
4
7
PESD_TPD4S010B
TXC-
5
6
5
6
C
6-11
D
AUDIO I2S
AOSDATA3
AOSDATA3
(9)
AOSDATA2
AOSDATA2
(9)
AOSDATA1
AOSDATA1
(9)
AOSDATA0
AOSDATA0
(9)
AOLRCK
AOLRCK
(9)
AOBCK
AOBCK
(9)
AOMCLK
AOMCLK
(9)
AOMCLK_R
AOMCLK_R
(9)
AOBCK_R
AOBCK_R
(9)
AOLRCK_R
AOLRCK_R
(9)
AOSDATA0_R
AOSDATA0_R (9)
AOSDATA4_R
AOSDATA4_R (9)
AV
ASPDIF
ASPDIF
(8)
Y 1
Y1
(8)
Y 2
Y2
(8)
Y 3
Y3
(8)
Y 6
Y6
(8)
CNT
AMUTE
AMUTE
(7)
HDMI
PORT
TMDS differential impedance 100 OHM
MTK suggest W/S/GS=5/7/20
F_TX2+
1
2
F_TX2-
3
F_TX1+
4
5
F_TX1-
6
F_TX0+
7
8
F_TX0-
9
F_TXC+
10
11
F_TXC-
12
HDMI-CEC
13
TP301
HDMI_SPDIF
14
HDMI_SCL
15
HDMI_SDA
16
17
5V_STBY_DDC
18
HPD
19
F1
HDMI_VCC
J300
HDMI
C309
C310
SMD020/0.65
0.1uF/25V
4.7uF/10V
D
E
1
2
3
4
E
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