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D10A
C17105
R29
12K
V+
R23
1K1
C19105
R25
1K
1
R27
12
K
GND1
AIN2
AIN3
DFS4
RE
FA
5R
EF
O6
RE
FB
7
S18
S29
BIN11
BIN10
GND12
VD13
CK
B1
4
VDD15
GND16
D7B
17
D6
B1
8
D5
B1
9
D4B
20
D3B
21
D2
B2
2
D1
B2
3
D0
B2
4
NC
25
NC26
GND27
VDD28
GND29
VD30
VD31
GND32
VDD33
GND34
NC35
NC36
D1
A38
D2
A39
D3A
40
D4A
41
D5A
42
D6
A4
3D
7A
44
D0
A3
7
GND45
VDD46
CK
A4
7
VD48
U6
AD9288-40
VDDA
2V8C21
22uF/6.3V
Mo
de
CK
B
BQ
2
BQ
3
BQ
1
BQ
0
BQ
7
BQ
6
BQ
5
BQ
4
CK
A
AQ
7
AQ
6
AQ
3
AQ
0
AQ
1
AQ
2
AQ
4
AQ
5
Ax0
V1
R3112K
R34
#51R
Bi
AiR33
#51R
nPD
Ax1
V+
-3V
C8A 101
C20105
R30
12K
V+ V+R16
22
K
R2620K
R4
180
K
R6
3K3R22
3K
3R10
3K
R14
27K
R24
1K1
C18105
R26
1K
1
C2105/100V
R28
12
K
C2A
5/30pFC8 271CN2
AC2
Bx0Bx2Bx5
V2
L2FB
S4 CPC1017
Bx0R36
1K1
0.5V
10V
S2 CPC1017
R8
3K R32
12K
C4A3/10pF
C6A5/30pF
Bin
5
67
8
U2B
OPA2354
C12
10p
R12
27
K
R20
5K
1
C10
10p
-3V
Y01
Y22
Y3
X012
X215
X13
Y34
V+16
Y15
CS6
Gnd8
X114
A10
B9
V-7
X311
U4
74HC4052PW
Bx1
D6
CESD5V0AP
DTr
Fout
2V8
CTr
BT
0
RX
TX
1 2 3 4 5 6
CN7
R47
51R
RS
T
CN5
CN3R41
11K
R38
90
K9
L3
FB
CN4
R4211K
R37
90
K9D5
CESD5V0AP
Cin
Din
Fout
ISP
R40#1K1
R39
#1K1
C_SO
Option
R43
1K1
2V8
C30
105
L8 FB
C35
7pF
C36
7pF
X1
8MHzL7 FB
Vusb
D-
D+
CHRG1
Gnd2
Batt3
Vcc4
PRG5
U14
LTC4054
C53
22uF/6.3V
R48
11
K
R49
11
K
C54
105
2V8
C32
100uF/10V
C56
105
C52
105
C28
105
C62
105
C60
105
C58
105
C55
105
C41
105
VDDA
L9
AC2
Bx2
Ax5
AC1
Bx53V6
Ax2
R50
2KR61
22R
R5622R
R57
2K
C31
105
-3V
C25 105
2V8
BAT
3V6
Fout
2V8
Vbat
D+D-
Vusb
BZ
C_RST
Ai
Bi
H/L
SDA
SCK
3V6
2V8
D8
CESD5V0AP
EE
CS
MS
CK
MIS
O
MO
SI
2V8
C34
100uF/10V
C24
22uF/6.3V
C33
22pF
AQ
7
AQ
6
AQ
3
AQ
0
AQ
1
AQ
2
AQ
4
AQ
5
DB
6
DB
5
CK
A
CK
B
DB
7
DB
8
DB
4
DB
3
DB
0
DB
1
DB
2
BQ
2
BQ
3
BQ
1
BQ
0
BQ
7
BQ
6
BQ
5
BQ
4
Cdone
C_SO
DB
15
DB
14
DB
13
DB
12
DB
9
DB
10
DB
11
TX
WR
NE
1
RD
RS
CL
R
RS
EECS
Mode
BT0
MS
CK
MIS
O
MO
SI
ADC_EN
K6
K5
K7
K8
K2
K1
K3
K4
BZ
K7
K6
K8
K5
BZ
EN1
Gnd2
SW3
Vin4
FB5
U15 QX3406AL
L5
100uHC51
105
C50
105
2V8
C37105
R55
11K
R58
1K1
R59
11K
V2V1
NC1
EN2
Vdd3
Gnd4
Led36
Led27
Led18
Led45
U10 QX5239B-20mA
3V6
BL
C69 105
C26
105
C66 105
C68 105
MCO
Q1
LN2300
SW
C42
105
C64
105
Vbat R5411K
C67 105
Bx1Bx0
Ax1
Ax0
K4K3K2K1
K2
K1
K3
K4
C29
101
PE21
PE32
PE43
PE54
PE65
VBAT6
PC137
PC148
PC159
VSS10
VDD11
OSC112
OSC013
NR
ST
14
PC0_AIN1015
PC1_AIN1116
PC2_AIN1217
PC318
VSSA19
VREF-20
VREF+21
VDDA22
PA0_T5123
PA1_T5224
PA2_T2325
PA326
VSS27
VDD28
PA4_DAC129
PA530
PA6_T3131
PA7_T3232
PC433
PC534
PB035
PB136
PB2_BT137
PE
7_
D4
38
PE
8_
D5
39
PE
9_D
640
PE
10
_D
74
1P
E1
1_D
84
2P
E12
_D
943
PE
13_
D1
04
4P
E1
4_
D1
14
5P
E1
5_D
12
46
PB1047
PB1148
VSS49
VDD50
PB1251
PB1352
PB1453
PB1554
PD
8_D
13
55
PD
9_
D14
56
PD
10
_D
15
57
PD
11_
A16
58
PD
12
_A
17
59
PD13_A1860
PD
14
_D
061
PD
15
_D
162
PC
6_T
81
63
PC
7_
T82
64
PC
86
5
PC
966
PA8_MCO67
PA
9_
TX
68
PA
10_
RX
69
PA11_D-70
PA12_D+71
PA
13
72
NC
73
VSS74
VDD75P
A14
76
PA
15
77
PC
10
78
PC
11
79
PC
12
80
PD
0_
D2
81
PD
1_
D3
82
PD283
PD384
PD
4_
NO
E85
PD
5_
NW
E8
6
PD
68
7
PD
7_
NE
18
8
PB
3_
SC
K8
9
PB
4_
SI M
O90
PB
5_M
OS
I9
1
PB692
PB7_T4293
BO
OT
094
PB8_T4395
PB9_T4496
PE097
PE198
VSS99
VDD100
U8
STM32F103VCT6
R533K
R60
11
K
R52
11
K
R51
11
K
I/O
1
I/O2
I/O3
I/O4
I/O9
I/O10
I/O7
I/O8
VIO6
GND5
VCC61
I/O12
VCC11
I/O_GBIN13
I/O_GBIN15
I/O16
I/O_GBIN62
I/O18
I/O19
I/O
20
I/O21
SPI_SCK48
SPI_SS49
I/O24
I/O25
I/O26
I/O
27
I/O
28
I/O
29
I/O
30
VIO14
GND17
I/O
_G
BIN
33
I/O
_G
BIN
34
I/O_GBIN63
I/O
36
I/O
37
I/O
93
I/O65
I/O
40
I/O
_C
S0
41
I/O
_C
S1
42
I/O68
I/O69
VIO22
GND23
I/O71
I/O72
I/O73
I/O
74
I/O
51
I/O
52
I/O
53
I/O
54
I/O
79
I/O
56
I/O
57
I/O
59
VIO58
GND32
I/O60
VIO92
VCC35
I/O64
GND39
I/O66
GND70
GND84
GND98
CDONE43
C_RST44
SPI_SO45
SPI_SI46
VIO88
I/O
78
VPP_FAST76
VCC77
VPP_2V575
GND47
VIO31
VIO67
SPI_VCC50
I/O
83
I/O
80
I/O
85
I/O
86
I/O
87
I/O
81
I/O
_G
BIN
89
I /O
_G
BI N
90
I/O
82
I/O
91
GND55
VIO38
I/O
95
I/O
96
I/O
97
I/O
94
I/O
99
I/O
10
0
U9
ICE65L04F_VQ100
1V2
DB
6
DB
5
DB
7
DB
8
DB
4
DB
3
DB
0
DB
1
DB
2
DB
15
DB
14
DB
13
DB
12
DB
9
DB
10
DB
11
WR
NE
1
RD
DB
6
DB
5
DB
7
DB
8
DB
4
DB
3
DB
0
DB
1
DB
2
DB
15
DB
14
DB
13
DB
12
DB
9
DB
10
DB
11
WR
NE
1
CL
R
RD
Mo
de
MCO
2v8
RX
CTr
DTr
1
Vi2
Vo3
U11
XC6206P122
ClrW
C57
105
C47
105
C61
105
C59
105
C65 105
C63
105
C49
22uF/6.3V
C44
105
C48
105
C46
105
C45
105
L6
100uH
2V8
C39
105
C43
105
BL
1V2
RS
T
C_SI
C_SCK
C_SS
L4
100uH
V+
3V6
C3822uF/6.3V
C40
105
Out1
Vi2
C-3
Gnd4
EN5
C+6
U12
TC1221
13
2 T
EC1
13
2 T
EC0
LC
D-I
D1
NC
2
NC
3
NC
4
NC
5
GN
D6
IOV
CC
7V
CC
8
FM
AR
K9
CS
10
RS
11
WR
12
RD
13
DB
014
DB
115
DB
216
DB
31
7D
B4
18
DB
51
9D
B6
20
DB
721
DB
822
DB
92
3D
B1
024
DB
11
25
DB
12
26
DB
13
27
DB
14
28
DB
15
29
RS
T3
0
GN
D31
LE
D+
32
LED1-33
LED2-34
LED3-35
LED4-36
NC
37
LCM
12345GGGG
CN8
H/L
CS1
Q2
WP3
Vss4
D5
CK6
RST7
Vcc8
U13
M25PE16
RS
T
FUNC ITEMFIT ESC SEL RUN
MINI_USB
6.8uHPWR
C27
105
K9
K1
0
K9
K1
0
nPD
3.7V
3.0" 240*400 TFT LCD
V+
-3V
C7A 101
V+R1
620K
R318
0K
R3A
12K
R5A4K7
R21
3K
3
R7
3K
R17
22K
C1105/100V
C1A5/30pF
C7 271
CN1
AC1
Ax2Ax5
L1FB
S3 CPC1017
Ax0
R1A180K
0.5V
10V
S1 CPC1017
R9
3K
C3A3/10pF
C5A5/30pF
Ain
5
67
8
U1B
OPA2354
R15
22K
R19
5K
1
-3V
Y01
Y22
Y3
X012
X215
X13
Y34
V+16
Y15
CS6
Gnd8
X114
A10
B9
V-7
X311
U3
74HC4052PW
R351K1
Cdone
C23
105
C70 105
C71
105
C72
105
2
4
31
5
U18
OPA354
2
4
31
5
U17
OPA354
2
4
31
5
U7
OPA354
R631K1
R621K1
1234
56
U19 FDFMA2P853
VB
CHRG
32
D10BYEL+GRN
REDR643K CHRG
C22
105
CHRG
Y01
Y22
Y3
X012
X215
X13
Y34
V+16
Y15
CS6
Gnd8
X114
A10
B9
V-7
X311
U5
74HC4052PW
Y01
Y22
Y3
X012
X215
X13
Y34
V+16
Y15
CS6
Gnd8
X114
A10
B9
V-7
X311
U16
74HC4052PW
D9SSA34
SL
EE
P
SLEEP
SLEEP
R11
27
K
C9
10p
R13
27
K C11
10p
R5
3K3
R2A180K
R6A4K7
R18
22K
R4A
12K
4
2
31
U1A
OPA2354
4
2
31
U2A
OPA2354
L10
FB
C7333pF
C7433pF
Offical Link: http://stores.ebay.com/WIDE-HK-Technology?_trksid=p4340.l2563
DSO203 V2.6 Schematics
Email : [email protected]