Hytera PD78XG - Page 250

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
3V3D
TMS 5
TDI 5
TDO 5
RTCK 5
TCK 5
EMU0 5
EMU1 5
USB-D- 5,7
/TRST 5
USB-D+ 5,7
PTT-IO 3
USB
PD780 UHF Schematic Diagram(EXT Interface Circuit)
R306
4.7K
R306
4.7K
C307
270p
C307
270p
J304
NC*JTAG
J304
NC*JTAG
12
34
56
78
910
1112
1314
R304
100K
R304
100K
J302
nc-CON6
J302
nc-CON6
1
2
3
4
5
6
D301
KPT-1608SURC
D301
KPT-1608SURC
1 2
R309 100R309 100
L301
BLM15PD121SN1
L301
BLM15PD121SN1
RN301 100*4RN301 100*4
1
2
3
45
6
7
8
R305
100K
R305
100K
R301
100K
R301
100K
R308 4.7KR308 4.7K
C306
0.1u
C306
0.1u
RN302 100*4RN302 100*4
1
2
3
45
6
7
8
R307
4.7K
R307
4.7K
C325
270p
C325
270p
S302S302
12
PD70X/PD70XG/PD78X/PD78XG/HD705/HD705G/HD785/HD785G Schematic Diagram (External Interface)
240