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UHF2 Schematics, Board Overlays, and Parts Lists
9.3-21
6816985H01-B
August 16, 2007
Figure 9.3-20. PMLE4427A/ PMLE4427B Side Connector Schematic
J650
GND
LH_DATA_KEYFAIL
OPT_B+_VPP
RS232_RX_USB-
700/800 MHz
2113743L09
PART #
BAND
20 PIN CONN
2113743N40
NP
DNP
GND
RTS_USB_PWR
2113743N50
SPKR_COM
100 pF
LH_BUSY
CAP VALUE
OPT_SEL2
EXT_MIC
GND
UHF
OPT_SEL1
RS232
39 pF
470 pF
NP
CTS
INT_SPKR-
NP
BAND SPECIFIC CAPACITOR VALUES
DNP
VHF
NC
DNP
GND
INT_MIC
.01uF
V2.9
CTS1
1
C867
0.10uF
C621
VPP
1
R669
100
J650-13
R634
0
J650-4
R678
D603
1
2
100
Band Specific
*C675*
6
100pF
VR662
2
5
1
3
4
R658
150K
5.6V
R673
VCC5
10K
1
R667
390
VR663
9.1V
2
3
100pF
Band Specific
*C657*
J650-19
V2.9
VR651
5.6V
D662
2
1
100pF
Band Specific
*C653*
U602
LM7301
4
3
1
2
5
J650-8
V2.9
J650-18
100pF
Band Specific
*C655*
J650-15
R614
20K
270nH
L651
L652
270nH
R677
J650-1
R666
10K
C614
220
3
4
6
330pF
VR659
5.6V
2
5
1
VR652
V2.9
5.6V
VR658
13V
1
2
J650-12
0.1uF
33pF
C620
C673
100pF
Band Specific
*C656*
R838
33
0.10uF
C607
33pF
C680
12.6V
1
A
2
A
1
K
2
K
3
K
4
K
VR650
J650-5
0.1uF
C638
J650-14
2
3
6
4
1
SW_B+
1
Q804
5
V2.9
RTS1
R608
100
J650-9
R668
68
J650-6
R670
100
J650-17
.01uF
0
C868
R635
C671
33pF
100pF
C672
10K
R636
10K
R656
J650-11
R672
10K
10K
R633
BUS
1
J650-7
EXTSP+
1
R615
100K
100pF
Band Specific
*C652*
6.8V
VR657
1
2
5
2
3
6
4
1
J650-20
Q698
USB_D
1
R674
10K
R654
100
1
V2.9
USB_D+
470pF
GND
1
C674
R671
390
.01uF
C866
J650-2
J650-10
100pF
Band Specific
*C658*
J650-3
V2.9
Band Specific
*C654*
R613
100pF
20K
1
560
R675
BUSY
R697
100
EXTMIC
1
LM7301
U601
4
3
1
2
5
V2.9
J650-16
VR678
1
3
2
4
33
R837
EXT_SP
1
V2.9
RS232_DI_USB-
OPT_SEL2_OUT
OPT_SEL2_IN
OPT_SEL1
MOD
HAB_MOD
SPKR-
SPKR+
EXT_SPKR-
ONE_WIRE_OPT
RS232
VPP_EN
INT_MIC
CTS
RTS
OPT_B+_VPP
LHDATA_KEYFAIL
LH_BUSY
EXT_MIC
E
Summary of Contents for ASTRO MT 1500
Page 4: ...iv Table of Contents August 16 2007 6816985H01 B Notes ...
Page 164: ...August 16 2007 6816985H01 B 5 6 Troubleshooting Procedures Operational Error Codes Notes ...
Page 188: ...August 16 2007 6816985H01 B 6 1 24 VHF Troubleshooting Charts Secure Hardware Failure Notes ...
Page 212: ...August 16 2007 6816985H01 B 6 2 24 UHF1 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 236: ...August 16 2007 6816985H01 B 6 3 24 UHF2 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 710: ...9 2 40 UHF1 Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 806: ...9 5 32 900MHz Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 816: ...Index 4 August 16 2007 6816985H01 B Notes ...
Page 817: ......