Sch03 Bar Main Mt8518S & Eth - Polk Mono Signa S4 Service Manual

SCH03 Bar MAIN MT8518S & ETH
OSC
1MΩ R34
X2
26MHZ 2020-7-13
XTALI 3 1
0Ω/0201 R35
C51 C52
22pF/50V/NP0
18pF/50V/NP0
Crystal place close to the chip IO
AUX_IN0 :SYS thermal
R38 39K/1%
VIO18
R3
C61
NC/0.1uF/16V/X7R
10KΩ/1%
GPIO POWER
VIO18 VIO18_MT8518S
R43 0Ω/0402
VIO33 VIO33_MT8518S
R48 0Ω/0402
SYSRSTB
TP40
URXD0
TP44
UTXD0
TP45
MT8518S_JTCK
TP54
MT8518S_JTDO
TP55 MT8518S_JTDI
TP56
MT8518S_JTMS
TP57
TP58
SOC_Debug_port
TP62
MT8518S_JTCK
R73 33
TP63
MT8518S_JTDO
R74 33
TP64
MT8518S_JTDI
R168 33
TP65
MT8518S_JTMS
R169 33
TP67
SOC
U11B
VIO18_MT8518S
AVDD18_PLLGP
Y5
AVDD18_PLLGP
XTALO
C56
100nF/6.3V/X5R
AVSS18_PLLGP
AA3
AVSS18_PLLGP
XTALI AA1
XTALI
XTALO AA2
XTALO
RTC32K_CK
T23
TP1 RTC32K_O RTC32K_CK
AB8
TP2 RTC32K_O
AVDD18_AP
Y2
AUXIN0 R39 10Ω
VIO18_MT8518S
AVDD18_AP
REFP Y3
REFP
C62
C63
0.1uF/16V/X7R
1uF/6.3V/X5R
AVSS18_AP
Y4
AVSS18_AP
AUXIN0 W2
AUXIN0
W3
AUXIN1
W1
AUXIN2
VIO18_MT8518S
FSOURCE_P
AA6
FSOURCE_P
TESTMODE P21
VIO18_MT8518S
TESTMODE
C65 WATCHDOG P25
WATCHDOG
SUSPEND P23
1uF/10V/X5R
SUSPEND
MT8518S_JTCK
U25
MT8518S_JTDO JTCK
V25
MT8518S_JTDI JTDO
V24
MT8518S_JTMS JTDI
U24
JTMS
BT_RX
R46 33 W21
BT_TX UTXD1
V21
R47 33
UTXD0 URXD1
BT_RESET
Y23
UCTS1
URXD0 W23
URTS1
M6
UTXD0
UTXD0
URXD0 L6
URXD0
UTXD2 L5
UTXD2
URXD2 L4
URXD2
MT6395_SCL MT8518S_SCL0
R61 0Ω M1
TP11 MT6395_SDA MT8518S_SDA0 SCL0
R62 0Ω M2
TP12 SDA0
WIRE_SCL MT8518S_SCL1
R66 0Ω L1
TP14 WIRE_SDA MT8518S_SDA1 SCL1
L2
R68 0Ω
TP13
SDA1
AMP_SCL MT8518S_SCL2
M5
R69 0Ω
TP15 TP7
AMP_SDA MT8518S_SDA2 SCL2
R70 0Ω M4
TP16 TP41 SDA2
OPT&HD_SCL MT8518S_SCL3
R71 0Ω M23
TP17 OPT&HD_SDA MT8518S_SDA3 SCL3
R72 0Ω M24
TP18 SDA3
DVDD28_SPI
W6
R67 0Ω
DVDD28_SPI
EP91A7_RSTB
AB3
C69
VIO33_MT8518S
EP91A7_INT SPI1_MO
AC2
EP91A7_A_MUTE SPI1_MI
HDMI POWER AB2
1uF/6.3V/X5R
POWER_EN_2 SPI1_CS
R54 47K AC1
SPI1_CK
AMP_FAULT3
R81 NC/22 AD3
AMP_FAULT2 SPI2_MO
R80 NC/22 AC3
SPI2_MI
SUB_DATA
AB1
TP80 AMP_PDN SPI2_CS
R52 22 AD2
SPI2_CK
屏 蔽 罩
XP9
4PIN/1.25mm
1
1
URXD0 2
R84 33 PBZ2
2
UTXD0 R82 33 3
1
3
4
1
4 2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
TP21
DVDD18_IO0 P24 SYSRSTB
SYSRSTB
VIO18_MT8518S VIO33_MT8518S
AVDD33_USB
J4
AVDD33_USB AVDD18_USB
H2
AVDD18_USB
C57 C60
100nF/6.3V/X5R 1uF/6.3V/X5R
USB_DM
J2
USB_DM USB_DP
DVDD18_IO0 J1
USB_DP
DVDD18_IO3/DVDD28_I2SIN
USB_VBUS
H1 R36 4.99MΩ
USB_VBUS
CHD_DM
J3
CHD_DM CHD_DP
K3 R40 1MΩ
CHD_DP
N22
PWRAP_SPI_CLK
M22
PWRAP_SPI_CSN
DVDD18_IO0 M21
PWRAP_SPI_MOSI
M20
PWRAP_SPI_MISO PWRAP_INT
N24
PWRAP_INT
DVDD18_IO1 P22 EINT22
EINT22
VIO33_MT8518S
C64
DVDD28_EINT0 100nF/6.3V/X5R
AD18
DVDD28_EINT0
AMP_FAULT1
AD16 R51 NC/22
EINT0 SPDIF_IN_DET0 TP3 Close to MAC
AA15 R205 22
EINT1
DVDD18_IO0 AB13 R1250 10R IR
EINT2 LED_RESET TP69
AB15
EINT3 SPDIF_IN_DET1 TP70
Y15
R206 22 Close to PHY
EINT4 RGB_PCTL
V15
EINT5 POWER_EN_1 TP73 RGB POWER
W15
DVDD18_IO2
TP74 Wireless POWER
DVDD28_EINT0 EINT6 SOC_WAKE_UP
AC13
EINT7 IR_ALERT
AD13
EINT8
AC14 BOOT0 Close to MAC
EINT9 MT8518S_RESET
AD14
EINT10 TP78
HDMI_BCK
DVDD18_IO1 AC15
EINT11 HDMI_LRCK TP5
AD15
EINT12 HDMI_D0 TP6
AC17
EINT13 HDMI_D1 TP22
AB17
EINT14 HDMI_D2 TP34
AC18
EINT15 TP85
MT8518S_IR
U15 IR
R522 10R
TP8
IR
VIO18_MT8518S
DVDD28_EINT1
AA17
DVDD28_EINT1
DVDD18_IO4
KEY2_VOL+
Y17 C67
EINT16 KEY5_Source
V18
EINT17 KEY1_Power
DVDD18_IO2 W18 0.1uF/16V/X7R
EINT18 8518_RTS
DVDD28_EINT1 AA18
TP71
EINT19 Boot&KEY3_VOL-
AB18
EINT20 8518_CTS
Y18
TP4
EINT21
DVDD18_IO0 AC19
AVDD18_PCIE
AC20
AVDD10_PCIE
AA20
PCIE_CKN
AB20
PCIE_CKP
AB22
PCIE_RXN
AC22
PCIE_RXP
DVDD18_IO3 AD21
DVDD28_SPI PCIE_TXN
AD20
PCIE_TXP
MT8518B
VIO18_MT8518S
PBZ1
1
R4 R12 R41 R42
1
2 PBZ3
2
3
3
4
4
5
5 47K 47K 47K 47K
6
6
7
7 Boot&KEY3_VOL-
8
8 KEY5_Source
9
9
10
KEY2_VOL+
10
11
11 KEY1_Power
if 8518 inside pulldown, button is not pressed IO level is 1.38V
1.27mm/2*11P
11
SOC IO FOR EP91A7
EP91A7_RSTB
EP91A7_RSTB 10
EP91A7_A_MUTE
EP91A7_INT EP91A7_A_MUTE 10
OPT&HD_SCL EP91A7_INT 10
OPT&HD_SDA OPT&HD_SCL 8,10
OPT&HD_SDA 8,10
STB_5V
KEY IN
KEY1_Power
KEY1_Power 10
KEY2_VOL+
Boot&KEY3_VOL- KEY2_VOL+ 10
Boot&KEY3_VOL- 10
KEY5_Source
KEY5_Source 10
HDMI IIS IN
HDMI_LRCK
HDMI_LRCK 10
HDMI_BCK
HDMI_D0 HDMI_BCK 10
HDMI_D1 HDMI_D0 10
HDMI_D2 HDMI_D1 10
HDMI_D2 10
SOC IO FOR AMP
AMP_FAULT3
AMP_FAULT3 11
AMP_FAULT2
AMP_FAULT1 AMP_FAULT2 11
AMP_PDN AMP_FAULT1 11
AMP_SDA AMP_PDN 11
AMP_SDA 11
AMP_SCL
AMP_SCL 11
SOC TO PMIC
MT6395_SDA
MT6395_SDA 3
MT6395_SCL
MT6395_SCL 3
WATCHDOG
WATCHDOG 3
SUSPEND
SUSPEND 3
SYSRSTB
SYSRSTB 3
PWRAP_INT
PWRAP_INT 3
EINT22
EINT22 3
USB
USB_DM
USB_DP USB_DM 10
USB_DP 10
SOC IO
SPDIF_IN_DET1
SPDIF_IN_DET0 SPDIF_IN_DET1 8
LED_RESET SPDIF_IN_DET0 8
POWER_EN_1 LED_RESET 10
POWER_EN_2 POWER_EN_1 3
WIRE_SCL POWER_EN_2 10
WIRE_SDA WIRE_SCL 10
WIRE_SDA 10
RGB_PCTL
RGB_PCTL 3
SOC To MCU
IR
MT8518S_RESET IR 7
MT8518S_RESET 7
URXD2
URXD2 7
UTXD2
UTXD2 7
SOC_WAKE_UP
IR_ALERT SOC_WAKE_UP 7
IR_ALERT 7
BOOT0
BOOT0 7
SOC To BT
BT_TX
BT_RX BT_TX 9
BT_RX 9
BT_RESET
BT_RESET 9