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SCH07 MAIN 07
For DVCC33_IO
SYS_3V3
R148
DVCC33_IO
0
C80
C77
C78
4.7uF/6.3V/X5R
0.1uF/16V/X7R
0.1uF/16V/X7R
DVCC33_IO
STB_3V3
R162
DVCC33_IO_STB
DVCC33_IO_STB
0
C87
NFALE
0.1uF/16V/X7R
NFCEN
NFCLE
NFRBN
NFREN
NFWEN
NFD0
NFD1
TP638
NFD2
NFD3
TP637
NFD4
TP636
NFD5
NFD6
NFD7
STB_3V3
R179 0
AVDD33_LDO
C97
C199
0.1uF/16V/X7R
1μF/10V
HDMI_SPDIF_IN
I2C_IRQ_INT
INT2 for HDMI
SPDIF_OPTICAL_IN
OPTC_DET
GPIO4
SIM_SDA
R1870
Reserve Simulated I2C
STB_3V3
SIM_SCL
R1871
HD_PW_CT
BT_WAKE_8502
INT1 for BT WAKE MT8502
R1896
91A6SQ_SDA
R1893
R1895
91A6SQ_SCL
R1894
4.7K
4.7K
TP640
91A6SQ_SDA
UARXD
TP22
UATXD
91A6SQ_SCL
TP23
TP24
VFD/IR Port
VSTB
BT_CON
POWER_KEY
INT4 for POWERKEY
OPWRSB
VSTB
TP634
AMUTE
Debug
R X D , T X D , G N D 串 口3 个 测 试 点 需要 放 置 在一 起
STB_3V3
R108
R203
R204
10K
10K
0
XP2
1
C86
1
2
UARXD
2
0.1uF/16V/X7R
3
UATXD
3
4
GND4
4
4PIN/2.0mm
AMP_FAULT
AMP_FAULT
R1858
0
SUB_FAULT
LINE_OUT_MUTE
LINE_OUT_MUTE
AMP Control
C79
0.1uF/16V/X7R
U6C
DVCC33_IO
G6
DVCC33_IO
G7
DVCC33_IO
USB_DP_P0
H7
G19
DVCC33_IO
USB_DP_P0
J7
G18
USB_DM_P0
R156 5.1K/1%
DVCC33_IO
USB_DM_P0
K6
G20
USB_VRT_P0
DVCC33_IO
USB_VRT_P0
L5
DVCC33_IO
L6
DVCC33_IO
P19
AVDD33_USB_P1
AVDD33_USB_P1
H14
DVCC33_IO_STB
H13
N19
TP19
DVCC33_IO_STB
USB_DP_P1
R163
N20
TP20
USB_DM_P1
5.1K/1%
P20
USB_VRT_P1
USB_VRT_P1
N18
USB_VBUS_P1
USB_VBUS_P1
TP21
R3
NFALE
P3
NFCEN
R2
A19
AVDD33_USB_P2
NFCLE
AVDD33_USB_P2
P1
NFRBN
P2
C19
NFREN
USB_DP_P2
T1
C20
R170 5.1K/1%
NFWEN
USB_DM_P2
N3
A20
USB_VRT_P2
USB_VRT_P2
NFD0
N2
B20
NFD1
USB_VBUS_P2
M3
NFD2
M2
NFD3
M1
F18
AVDD33_USB_P0
NFD4
AVDD33_USB_P0
AVDD33_COM
L3
F16
NFD5
AVDD33_COM
AVDD33_LD
L2
E16
NFD6
AVDD33_LD
K3
NFD7
D19
TXVN_0
D18
TXVP_0
E19
TXVN_1
K15
E18
AVDD12_LDO
TXVP_1
R181 24K/1%
E20
REXT
REXT
H17
AVDD33_LDO
R329
0
T2
FSRC_RD
FSRC_RD
FSRC_WR
U1
FSRC_WR
M19
R328
4.7K
GPIO0
R1756
0
8502_SDA
M17
H2
GPIO1
SDA
K16
H3
8502_SCL
R1757
0
GPIO2
SCL
L18
GPIO3
91A6SQ_MUTE
H18
G5
GPIO4
GPIO25
0
SOURCE_KEY
J18
E15
GPIO5
GPIO24
H19
E13
ADC_RST
0
GPIO6
GPIO23
H16
D17
GPIO7
GPIO22
MT8502_RX
K17
D14
R1868
0
BT
GPIO8
GPIO21
MT8502_TX
D15
R1869
0
GPIO20
0
E17
LED0
BT_STATES
F19
K1
0
LED1
SD_DATA3
ADC_DATA
K2
SD_DATA2
J4
BT_Pairing_KEY
SD_DATA1
L19
K4
AMP_FAULT
RESET_
SD_DATA0
LINE_OUT_MUTE
J2
SD_CLK
VOL+_KEY
R93
100
M18
J5
UARXD
SD_DET
R95
100
L20
J3
VOL-_KEY
UATXD
SD_CMD
IR
K19
IR
G1
AVDD12
J20
G2
VSTB
AVDD33
K18
VCLK
J19
VDATA
M16
H5
OPWRSB
RSRV_09
H4
RSRV_08
E7
H1
AMUTE
RSRV_07
MT8502_PBGA_A_13 X 13
OPT-IN
OPTICAL IN
U10
1
+3.3V
2
GND
3
OPTI
DQR-012
ESD4
ESD5
USB-IN
C180
1
VCC
2
D-
3
D+
4
GND
4PIN/2mm
P5
R1003 0
I2C
91A6SQ_SDA
R1872
NC/33
RGB_SDA
R1762
NC/33
8502_SDA
AMP_SDA
R1763
33
SUB_SDA
R1764
33
R1766
NC/33
RGB_SCL
8502_SCL
R1765
33
AMP_SCL
R1767
33
SUB_SCL
AVDD33_DDR
R1873
NC/33
91A6SQ_SCL
C89
R1875
C193
4.7uF/6.3V/X5R
NC/1M/1%
SYS_3V3
0.1uF/16V/X7R
STB_3V3
R167
0
C458
C457
4.7uF/6.3V/X5R
0.1uF/16V/X7R
R826
STB_3V3
NC
R172
0
VSTB
AMUTE
NFCEN
NFWEN
C84
C93
NFREN
4.7uF/6.3V/X5R
0.1uF/16V/X7R
NFCLE
NFALE
R822
R827
10K
10K
R1559
0
SPDIF_BT
EXT_SDIO0
EXT_SDIO1
EXT_SDIO2
EXT_SDIO3
C1459
2.2pF/50V/NPO
EXT_XCS
EXT_SCK
1.2V
SYS_3V3
R200
0
AVDD12
C101
R1557
SYS_3V3
0.1uF/16V/X7R
10K
R411
R206
0
10K
AVDD33
EXT_XCS
1
EXT_SDIO1
2
EXT_SDIO2
3
C102
4
0.1uF/16V/X7R
R1558
NC
STB_3V3
R201
R21
0
R59
10Ω
C31
SPDIF_OPTICAL_IN
R23
0.1uF/16V/X7R
R20
0
SPDIF_OPTICAL_IN
1N4148WS
C405
C403
1uF/10V/X5R
NC/10pF/50V/NP0
This is a standard circuit
HD_PW_CT
91A6SQ_MUTE
USB_5V
R1641
1M/1%
R1642 1M/1%
USB_VBUS_P1
4.7UF/10V/X5R
R1643
close to mainchip
1M/1%
C960
0.1uF/16V/X7R
R105
0
USB_DM_P0
2
T1
3
1
4
USB_DP_P0
NC/ACM2012H-900-2P
R106
0
15
SYS_3V3
STB_3V3
SIM_SDA
R109
R1760
R1761
R110
4.7K
4.7K
4.7K
4.7K
SIM_SCL
8502_SDA
SIM_SDA
8502_SCL
SIM_SCL
BT_STATES
MT8502_TX
SYS_3V3
MT8502_RX
BT_CON
SPDIF_BT
R829
R1552
R1554
R1556
10K
10K
10K
10K
BT
POWER_KEY
SOURCE_KEY
R824
BT_Pairing_KEY
10K
VOL+_KEY
VOL-_KEY
KEY
NFD2
NFD5
NFD0
NFD6
NFD7
NFRBN
R1562
0
I2C_IRQ_INT
HDMI
SYS_3V3
SYS_3V3
R514
U5
10K
OPWRSB
8
CS#
VCC
EXT_SDIO3
7
SO/IO1
HOLD#/IO3
GPIO4
6
EXT_SCK
WP#/IO2
CLK
5
EXT_SDIO0
GND
SI/IO0
MX25L12835FM2I
C400
0.1uF/16V/X7R
POWER
4 bit
IR
STB_3V3
IR
R18
100K
VSTB
NC/560
R1844
0
OPTC_DET
ADC_DATA
10K
Q3
ADC_RST
3DG3904M
D1
C32
R24
0.1uF/16V/X7R
100K
91A6SQ_SDA
91A6SQ_SCL
RGB_SDA
RGB_SCL
AMP_SDA
AMP_SCL
HD_PW_CT
SUB_SDA
91A6SQ_MUTE [5]
SUB_SCL
HDMI
HDMI_SPDIF_IN
BT_WAKE_8502
R1879
33
RGB_SDA
RGB_SCL
R1881
33
BT_STATES
[3]
MT_TX
[3]
MT_RX
[3]
BT_CON
[3]
SPDIF_BT
POWER_KEY[1]
SOURCE_KEY [1]
BT_Pairing_KEY [1]
VOL+_KEY [1]
VOL-_KEY [1]
I2C_IRQ_INT
OPWRSB
[1]
[1]
GPIO4
IR [3]
VSTB
ADC_DATA [5]
ADC_RST
91A6SQ_SDA
91A6SQ_SCL
RGB_SDA
RGB_SCL
AMP_SDA
AMP_SCL
SUB_SDA
SUB_SCL
HDMI_SPDIF_IN
BT_WAKE_8502
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