Schematics

A
ITEM NAME:
ITEM ON:
DRAWN:
APP . BY: DATE:
DATE:
DOCUMENT ON:
DWG. NO:
REV:
SHEET:
1 of 1
WH1137-RX
2022-11-15
INA
INB
VDD
GND
GND
OUTA
OUTB
VCC
INA
INB
VDD
GND
GND
OUTA
OUTB
VCC
INA
INB
VDD
GND
GND
OUTA
OUTB
VCC
ON
TRYME
PC5
PC4
PC2
P11
P10
PB3
PB2
PB1
PB0
PA0/PA1
VSS
PWMP
VCC
PWMN
PC7PC6
WHITE
YELLOW
YELLOW
LED1 PCB
LED2 PCB
2.4GHz
SPK sound
Back sound
Engine sound
Forward
Back
LEFT
Right
UP
DOWN
UP
Down
EMC PCB
EMC PCB
EMC PCB
PTC
ANT
16M
Y1
+
-
A
M1
104
C1
9V
VIN
GND
VOUT
U5
3.3V
+C12
470uF
1
2
3
4 5
6
7
8
U2
MX612E
D1
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
U6
1
2
3
4 5
6
7
8
U3
MX612E
1
2
3
4 5
6
7
8
U4
MX612E
L1
1.2nH
C3
NC
C13
104
SW1
SW_2P3T
C2
0.5P
C14
104
+
C26
100uF
R28
1R
K3
K1
K2
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
U1
VIN
GND
VOUT
U7 5.0V
C27
104
+
C28
100uF
D2 D3 D4
D5 D6
R20
680R
R21
680R
R14
7.5K
SPEAKER
Q1
8050
Q2
8550
R1
100K
R2
100K
R3
100K
R4
100K
C5
104
C6
10uF
+C17
NC
+C18
NC
+C19
NC
D1
SS14
SS14D2
680R
R13
R13
680R
7.5K
R15
L2
FB-330R
L3
FB-330R
L4
FB-330R
R27
1R
FB-3A/300R
L1
FB-3A/300R
L2
104
C3
104
C4
104
C2
C7
103
C8
103
C1
104
+
-
A
M3
104
C1
FB-3A/300R
L1
FB-3A/300R
L2
104
C3
104
C4
104
C2
+
-
A
M2
104
C1
FB-3A/300R
L1
FB-3A/300R
L2
104
C3
104
C4
104
C2
PC5
PC4
9V
P4
P5
9V
P6
P7
9V
VDD-2.4G-3.3V
VBAT
VBAT
VBAT
VCC
VCC
VDD-2.4G
VDD-2.4G
5V-VCC
5V-VCC
DATA
PB2
5V-VCC
PWMN
PWMP
PA0
PA4
PB31
PB31 PB01
PB1
9V
VDD-2.4G-3.3V
SIGNAL-DSP
PB11
PB01
5V-VCC
PB0
PB1
DATA
VDD-2.4G-3.3V
L
PA4
PA0
R
F
B
PB0
PC6
PC5
PC4
PB2
5V-VCC
PB11