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9.1-6
VHF Schematics, Board Overlays, and Parts Lists
August 16, 2007
6816985H01-B
Figure 9.1-5. PMLD4303A/ PMLD4303D Side Connector Schematic
20 PIN CONN
RS232
OPT_B+_VPP
INT_MIC
SPKR_COM
NP
OPT_SEL1
INT_SPKR-
NP
700/800 MHz
GND
RS232_RX_USB-
39 pF
J650
OPT_SEL2
EXT_MIC
VHF
2113743L16
GND
LH_DATA_KEYFAIL
910 pF
DNP
DNP
PART #
CTS
CAP VALUE
LH_BUSY
BAND
100 pF
NC
GND
GND
BAND SPECIFIC CAPACITOR VALUES
2113743N40
RTS_USB_PWR
UHF
2113743N50
NP
4
3
1
2
5
J650-12
U601
LM7301
R837
33
1
0.1uF
C620
V2.9
EXT_SP
C673
CTS1
1
33pF
VPP
1
*C656*
Band Specific
470pF
R669
100
C680
33pF
J650-5
J650-4
1
2
C638
0.1uF
5
2
3
6
4
1
D603
Q804
J650-9
2
5
1
3
4
6
V2.9
5.6V
VR659
5.6V
J650-6
VR658
1
2
VR652
13V
R675
560
1
390
R671
GND
J650-10
C866
.011uF
J650-2
V2.9
*C658*
Band Specific
470pF
*C654*
Band Specific
470pF
J650-3
R613
20K
910pF
C674
BUSY
1
R697
1
V2.9
100
VCC5
EXTMIC
J650-16
1
3
2
4
390
R667
2
3
1
VR678
V2.9
V2.9
9.1V
VR663
J650-19
2
1
0
R635
C671
D662
2
5
33pF
LM7301
U602
4
3
1
R636
10K
J650-18
10K
R672
J650-15
270nH
L652
BUS
1
R615
J650-1
100K
R677
10K
5
1
3
4
6
C614
330pF
5.6V
VR662
2
R673
10K
68
R668
*C657*
Band Specific
470pF
100
R670
C868
J650-17
.011uF
5.6V
VR651
*C653*
Band Specific
470pF
910pF
J650-8
*C672*
R656
10K
J650-11
V2.9
470pF
10K
R633
*C655*
Band Specific
R614
J650-7
20K
270nH
1
L651
510
EXTSP+
1
2
R666
VR657
6.8V
1
*C675*
Band Specific
910pF
Q698
5
2
3
6
4
150K
R658
USB_D
1
R674
100
10K
USB_D+
1
R654
V2.9
.011uF
C867
C621
0.1uF
R838
33
0.1uF
2
A
1
K
2
K
3
K
4
K
C607
12.6V
VR650
1
A
0
R634
J650-14
SW_B+
J650-13
1
R678 100
RTS1
V2.9
*C652*
Band Specific
470pF
100
R608
J650-20
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: ......