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A
3/3
MAIN BOARD PCB
B+
R15
L101
10uH/1.42A
2
SW
IN
U101
EUP3482A
R14
10K
7 EN
FB
C105
3.3NF
C104
0.1U
USB
U403
A
5 IN
1
3/3
OUT
B+_5V
A
1/3
2
GND
ACC_OFF
4 EN
3
FLG
TUN_3V3
AP2141
DGND
DGND
A
1/3
FLG
J9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
B
19
20
CON101
D13
UESD54B
D8
UESD54B
DGND
A
3/3
(POWER/INTERFACE)
B+_5V
C1 10nF
47R
U5 EMP8965
D10
L102
47uH/1.8A
3
1
IN
1N4004
2
GND
R107
R3
5
3
SHDN
43K/1%
2.2K/1%
EC3
0.1U
47uF/16V
C37
EC102
100uF/16V
DGND
A5V
E
C
MAX: 250mA
Q15
KTC8550S
A
3/3
K5V
Q16
POWER_EN
KRC102
DGND
DGND
DGND
LAMP
K5V
1
4
AUX_L
A5V
A
2/3
AUX_R
AUX-AGND
D1
0603ESDA-09
S3V3
S1V2
R76
NC
U7 NC
MAX: 300mA
R71
NC
5
1
5
OUT
IN
OUT
2
GND
4
POWER_EN
3
4
CC
SHDN
CC
A
1/3
0.1U
NC
NC
A
3/3
C43
C29
C35
DGND
POWER_EN
A
1/3
A
3/3
A
1/3
A
1/3
DISP_OFF
A
3/3
AUTO TEST
A
1/3
MCU_RX
EN_B
DTH
A
1/3
MCU_TX
EN_A
SDI
KEY1
SCL
SCE
DM
2
L9 90R
A
1/3
3
DP
KEY2
KEY0
A
1/3
POWER_EN
A
3/3
TUN_3V3
3V3
MAX: 100mA
E
C
L12
10uH
Q14
KTC8550S
Q17
KRC102
DGND
RED LED:R141/R142=22R
GREEN LED:R141/R142=10R
R142
22R
R141
22R
LAMP
E
C
E
C
MAX: 200mA
Q9
Q8
KTC8550S
KTC8550S
Q1
Q11
A
1/3
DIM_EN
KRC102
KRC102
DGND
DGND
TUN_3V3
FL_+
FR_+
FL_-
FR_-
A
2/3
RL_+
RR_+
RL_-
1K
R502
RR_-
Q500
KRC102
DGND
A
1/3
ACC
Q2
D6
KRC102
A
2/3
1N4004
B.REM
DGND
DGND
L8
200uH/1A
B+
SW_B+
2015.7.28
C
E
C157
10nF
Q20
KTC8550S
Q21
KRC102
DGND
CN102
CKM1624-A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
BAT+
17
18
>
DGND
FUSE
YEK5001
(10A)
A
3/3
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