Sch05 Bar Main Mcu; Print Log - Polk Mono Signa S4 Service Manual

SCH05 Bar MAIN MCU

MCU Power
STB_3V3 MCU_3V3
FB2 Close to MCU
NC/500Ω/800mA
C58 C59 C66 C68 C80
MCU RES
MCU_3V3
R158
D2
NC/10K 2020-7-13
MCU_RST
R159 0Ω/0402
C81 C82
NC/10UF/6.3V/X5R
MCU Upgrade
NC/5PIN/1.5mm
XP10
MCU_3V3
7
GND
6
GND
TP33
TP35
SWCLK
TP37
SWDIO
MCU_RST
UART DEBUG
MCU_3V3
XP12
NC/4PIN/1.25mm
6
GND
5
GND
MCU_TX2
MCU_RX2

Print log

MCU
R59
NC/10K
U5
1
MCU_3V3 VBAT
C48
2
PC13
3
PC14
4
PC15T
5
PF0
MT8518S_RESET D3 NC/RB 521S/200mA
6
NC/STM32F071C8T6
PF1
MCU_RST
7
NRST
NC/0.1uF/16V/X7R
8
C74
VSSA
9
MCU_3V3 VDDA
R188 NC/10K
SOC_WAKE_UP
10
PA0
11
MCU_3V3 PA1
MCU_TX2
R193 NC/33 12
PA2
MCU_RX2
R191 NC/33
LEVEL_SHIFT
IR IN
VIO18_MT8518S VIO33_MT8518S
R197
R198
NC/2.2K
NC/N_2SK3018
IR1
NC/4.7K Q1
MCU_RX1
UTXD2
S D
R199 NC/33
VIO18_MT8518S VIO33_MT8518S
SMDIRM38TR6
R200
R201
NC/2.2K
NC/4.7K NC/N_2SK3018
Q2 MCU_TX1
URXD2
S D
R202 NC/33
R150 NC/33 SWCLK
R155 NC/1K BOOT0
TP24 TP25
C159 NC/0.1uF/16V/X7R
36
VDDIO2 MCU_3V3
35
VSS
34 R161 NC/33
PA13
33
PA12
R57 NC/4.7K
MCU_3V3
32
PA11 R56 NC/4.7K
TP20
31
R58 NC/33
PA10
TP23
30
R60 NC/33
PA9
29
R162 NC/33
PA8
28
PB15
27
PB14
26
PB13
25
PB12
C75
NC/0.1uF/16V/X7R
R55 NC/10K
IR_ALERT
R37 NC/33
STB_3V3
R6
4
GND
10K
3
IR
OUT
2
R19 22
VCC
1 C55
GND C54
47pF/50V/NP0
4.7UF
13
MCU TO SOC
MT8518S_RESET
MT8518S_RESET 5
IR
IR 5
SOC_WAKE_UP
SOC_WAKE_UP 5
IR_ALERT
IR_ALERT 5
BOOT0
BOOT0 5
UART
UTXD2
UTXD2 5
URXD2
URXD2 5
SWDIO
MCU_RX1
MCU_TX1
IR