9-6
Schematics, Board Overlays, and Parts Lists – UHF
: Transceiver (RF) Section
May 28, 2008
6871620L01-C
Figure 9-5. UHF Transceiver (RF) Antenna Switch and Harmonic Filter Circuits
R701
0
.
100W
220
0
.
10uF
C724
C704
2113944A40
100pF
2415429H47
L702
390nH
TX5V
390nH
L706
2415429H47
100pF
C719
2113944A40
D701
HSMP_389Z
TXRF
V5A
V5A
100K
R703
1
A1
3
A2
2
GND
5
VCC
6
Y1
4
Y2
0
.
10uF
NC7WZ04
U702
C717
V5A
ATH
VAR3
L705
2460591D12
18
.
29nH
5
.
6pF
C711
2113944C24
HSMP_389Z
D702
2113944A40
C723
100pF
1
.
3pF
C722
2113951C13
1
.
6pF
2113944C11
C706
100pF
2113944C45
C705
2113944C15
C718
2
.
4pF
4
.
3pF
2113944C21
C720
1
.
8pF
2113944C12
C709
2
.
4pF
C707
2113944C21
4
.
3pF
C710
2113944C15
2460591D23
3
.
3pF
2113944C18
C721
17
.
24nH
L704
17
.
24nH
2460591D23
L703
RXRF
ANT
D703
MMBD352
100pF
2113944A40
C712
5
.
1pF
C713
2113944A18
ATH
ATL
V2
5
U701
AT267
GND
2
RF
I
O1
1
RF
I
O2
3
V1
4
100pF
C716
Summary of Contents for ASTRO XTSTM 4000
Page 1: ...COLOR CHORDS 7 ASTRO XTSTM 4000 Portable Radio Detailed Service Manual ...
Page 2: ......
Page 16: ...May 28 2008 6871620L01 C xiv Commercial Warranty Notes ...
Page 22: ...May 28 2008 6871620L01 C 1 6 Introduction Notes ...
Page 26: ...May 28 2008 6871620L01 C 2 4 Radio Power Notes ...
Page 56: ...May 28 2008 6871620L01 C 3 30 Theory of Operation Notes ...
Page 100: ...May 28 2008 6871620L01 C 6 8 Troubleshooting Waveforms Notes ...
Page 194: ...May 28 2008 6871620L01 C B 2 Motorola Service Centers Notes ...
Page 204: ...May 28 2008 6871620L01 C Glossary 10 Glossary Notes ...
Page 209: ......