Kirisun DP770 Service Manual

DP770 Service Manual
Page 78 of 102
12
BT1
BETTARY2_0
1
IN
2
GND
3
EN
FB
4
OUT
5
U5
TPS76301DBVR
R23
200K
R37
100K
R38
100K
21
D15
MA2S111
R360
10k
21
D16
MA2S111_NC
R361
0R_NC
1
VIN
2
VSS
3
CE
NC
4
VOUT
5
U6
XC6228D122VR
1
23
D17
BAT54C
R362 0R_NC
Q4
2SK1824
R39 1K
R364 0R
R40 0R
1
32
Q2
BSH203 _NC
R41 0R
R42 NC
C1136 1uF
C958
100pF
C959
10pF
FB920
2.2K
C960
1000pF
C1134
2.5pF
R281
NC
FB919
BLM21PG221SN1D
C1135 0.1uF
L235
3.9nH
C1133
2.5pF
+
C182
10uF/16V
C1143
2pF
L234
3.9nH
R282
NC
L233
NC
2pF C1132
GND1
1
TXD1
2
RXD1
3
TIMEPULSE
4
EXTINT0
5
V_BCKP
6
VCC_IO
7
VCC
8
VRESET
910
GND2
11
RF_IN
12
GND3
13
ANTON
14
VCC_RF
15
NC1
16
SDA2
17
SCL2
18
NC2
U4
MAX-6Q
R6
R0402
NC
C6
1000pF
0R R7
NCR8
0R
R26
R28 NC
C7 1.5pF
NC
R29
C5 C25
1000pF1000pF
L1 2.2nH
L2
18nH
R27
2.2K
C26
100pF
L3 2.2nH
R53
R0402
NC
C1153
2.5pF
C37
10uF/6V3
C36
1uF
C38
1uF
C411
1uF
C412
1uF
TP21
TMS
1
2
3
VEN
VDD
RF_IN FILT_OUT
RF_OUT
LNA_IN
4
5
6
7
GND
U8
SKY65709-81
BAT_7V5
GPS_3V3_V
VBAT
GPS_3V3_V
DC_1V2
GPS_3V3_V
GPS_3V3_V
GPS_3V3
GPS_3V3_V
GPS_3V3
GPS_LDO_3V3
GPSEXT_RXD
GPSEXT_TXD
ANT

Kirisun DP770 Specifications

General

Brand	Kirisun
Model	DP770
Category	Radio
Language	English