DP770 Service Manual
Page 78 of
102
1
2
BT1
BETTARY2_0
1
IN
2
GND
3
EN
FB
4
OUT
5
U5
TPS76301DBVR
R23
200K
R37
100K
R38
100K
2
1
D15
MA2S111
R360
10k
2
1
D16
MA2S111_NC
R361
0R_NC
1
VIN
2
VSS
3
CE
NC
4
VOUT
5
U6
XC6228D122VR
1
2
3
D17
BAT
5
4
C
R362
0R_NC
Q4
2SK1824
R39
1K
R364
0R
R40
0R
1
3
2
Q2
B
S
H
203 _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
9
10 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/
6V
3
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
Содержание DP770
Страница 1: ......
Страница 70: ...DP770 Service Manual Appendix Figure 1 DP770 UHF Main Board Top Side PCB View Page 69 of 102 ...
Страница 71: ...DP770 Service Manual Appendix Figure 2 DP770 UHF Main Board Bottom Side PCB View Page 70 of 102 ...
Страница 72: ...DP770 Service Manual Appendix Figure 3 DP770 UHF Keypad Top Side PCB View Page 71 of 102 ...
Страница 73: ...DP770 Service Manual Appendix Figure 4 DP770 UHF Keypad Bottom Side PCB View Page 72 of 102 ...
Страница 87: ...DP770 Service Manual Appendix Figure 7 DP770 VHF Main Board Top Side PCB View Page 86 of 102 ...
Страница 88: ...DP770 Service Manual Appendix Figure 8 DP770 VHF Main Board Bottom Side PCB View Page 87 of 102 ...
Страница 89: ...DP770 Service Manual Appendix Figure 9 DP770 VHF Keypad Top Side PCB View Page 88 of 102 ...
Страница 90: ...DP770 Service Manual Appendix Figure 10 DP770 VHF Keypad Bottom Side PCB View Page 89 of 102 ...