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Table of Contents
xv
6816985H01-B
August 16, 2007
7.3.20 PP18 RX RF Input at Antenna Switch..................................................................................... 7.3-21
7.3.21 PP19 Antenna Switch Bias...................................................................................................... 7.3-22
7.3.22 PP20 Preselector Tuning Voltage ........................................................................................... 7.3-23
7.3.23 PP22 Analog 5V ...................................................................................................................... 7.3-24
7.3.24 PP23 Preselector 1 Output...................................................................................................... 7.3-25
7.3.25 PP24 Low-Noise Amplifier Output........................................................................................... 7.3-26
7.3.26 PP25 Preselector 2 Output...................................................................................................... 7.3-27
7.3.27 PP26 Mixer Out (IF) ................................................................................................................ 7.3-28
7.3.28 PP27 Crystal Filter Out............................................................................................................ 7.3-29
7.3.29 PP28 Abacus Analog 3V ......................................................................................................... 7.3-30
7.3.30 PP29 2nd LO Control Voltage ................................................................................................. 7.3-31
7.3.31 PP30 2nd LO VCO Buffer Output............................................................................................ 7.3-32
7.3.32 PP31 Analog 5V DC................................................................................................................ 7.3-33
7.3.33 PP32 Abacus Digital 3V .......................................................................................................... 7.3-34
7.3.34 TX Audio 1 kHz Tone .............................................................................................................. 7.3-35
7.3.35 16.8 MHz Buffer Input and Output........................................................................................... 7.3-36
7.3.36 32.768 kHz Clock Outputs....................................................................................................... 7.3-37
7.3.37 SPI B Data............................................................................................................................... 7.3-38
7.3.38 RX Serial Audio Port (SAP)..................................................................................................... 7.3-39
7.3.39 PP33 SPI Data ........................................................................................................................ 7.3-40
7.3.40 PP34 SPI CLK......................................................................................................................... 7.3-41
7.3.41 PP35 Universal Chip Select .................................................................................................... 7.3-42
7.3.42 PP36 Abacus Chip Select ....................................................................................................... 7.3-43
7.3.43 TP37 RX SSI Data .................................................................................................................. 7.3-44
7.3.44 TP38 RX SSI Clock ................................................................................................................. 7.3-45
7.3.45 TP39 RX SSI Frame Sync....................................................................................................... 7.3-46
Chapter 7.4.4 700/800 MHz Troubleshooting Waveforms .................... 7.4-1
7.4.1 Introduction................................................................................................................................ 7.4-1
7.4.2 List of Waveforms...................................................................................................................... 7.4-1
7.4.3 RF Test Points........................................................................................................................... 7.4-2
7.4.4 Main Circuit Board RF Shield Locations.................................................................................... 7.4-4
7.4.5 PP1 Antenna Input .................................................................................................................... 7.4-6
7.4.6 PP2 TX Signal at Harmonic Filter Input..................................................................................... 7.4-7
7.4.7 PP3 Coupler RF Out ................................................................................................................. 7.4-8
7.4.8 PP4 TX Signal at PA ................................................................................................................. 7.4-9
7.4.9 TP5 Coupler RF Feedback to PCIC ........................................................................................ 7.4-10
7.4.10 TP6 PCIC Control Voltage ...................................................................................................... 7.4-11
7.4.11 PP7 TX LO .............................................................................................................................. 7.4-12
7.4.12 PP8 Higher Level Voltage Multiplier........................................................................................ 7.4-13
7.4.13 PP9 Superfilter Output ............................................................................................................ 7.4-14
7.4.14 TP10 TRB................................................................................................................................ 7.4-15
7.4.15 PP11 Prescalar Input to FracN Synthesizer............................................................................ 7.4-16
7.4.16 PP12 Reference Crystal Output .............................................................................................. 7.4-17
7.4.17 TP13 Mod In............................................................................................................................ 7.4-18
7.4.18 TP14 1st LO Control Voltage .................................................................................................. 7.4-19
7.4.19 PP15 VCO Output ................................................................................................................... 7.4-20
7.4.20 PP16 VCO RX LO ................................................................................................................... 7.4-21
7.4.21 PP17 Frequency Out (16.8 MHz) ............................................................................................ 7.4-22
7.4.22 PP18 RX RF Input at Antenna Switch..................................................................................... 7.4-23
7.4.23 PP19 Antenna Switch Bias...................................................................................................... 7.4-24
7.4.24 PP20 Preselector Tuning Voltage ........................................................................................... 7.4-25
Содержание ASTRO MT 1500
Страница 4: ...iv Table of Contents August 16 2007 6816985H01 B Notes ...
Страница 30: ...August 16 2007 6816985H01 B 2 1 4 VHF Overall Characteristics Vocoder Circuitry Overview Notes ...
Страница 34: ...August 16 2007 6816985H01 B 2 2 4 UHF1 Overall Characteristics Vocoder Circuitry Overview Notes ...
Страница 38: ...August 16 2007 6816985H01 B 2 3 4 UHF2 Overall Characteristics Vocoder Circuitry Overview Notes ...
Страница 42: ...August 16 2007 6816985H01 B 2 4 4 700 800 MHz Overall Characteristics Vocoder Circuitry Overview Notes ...
Страница 46: ...August 16 2007 6816985H01 B 2 5 4 900MHz Overall Characteristics Vocoder Circuitry Overview Notes ...
Страница 140: ...August 16 2007 6816985H01 B 4 4 20 700 800 MHz Detailed Theories of Operation VOCON Functional Blocks Notes ...
Страница 164: ...August 16 2007 6816985H01 B 5 6 Troubleshooting Procedures Operational Error Codes Notes ...
Страница 188: ...August 16 2007 6816985H01 B 6 1 24 VHF Troubleshooting Charts Secure Hardware Failure Notes ...
Страница 212: ...August 16 2007 6816985H01 B 6 2 24 UHF1 Troubleshooting Charts Secure Hardware Failure Notes ...
Страница 236: ...August 16 2007 6816985H01 B 6 3 24 UHF2 Troubleshooting Charts Secure Hardware Failure Notes ...
Страница 260: ...August 16 2007 6816985H01 B 6 4 24 700 800 MHz Troubleshooting Charts Secure Hardware Failure Notes ...
Страница 284: ...August 16 2007 6816985H01 B 6 5 24 900 MHz Troubleshooting Charts Secure Hardware Failure Notes ...
Страница 296: ...August 16 2007 6816985H01 B 7 1 12 VHF Troubleshooting Waveforms PP7 TX LO 7 1 11PP7 TX LO Probe point TP299 ...
Страница 301: ...6816985H01 B August 16 2007 VHF Troubleshooting Waveforms TP13 Mod In 7 1 17 7 1 16TP13 Mod In Test point TP36 ...
Страница 324: ...August 16 2007 6816985H01 B 7 1 40 VHF Troubleshooting Waveforms PP33 SPI Data 7 1 39PP33 SPI Data Probe Point R802 ...
Страница 325: ...6816985H01 B August 16 2007 VHF Troubleshooting Waveforms PP34 SPI CLK 7 1 41 7 1 40PP34 SPI CLK Probe Point R803 ...
Страница 342: ...August 16 2007 6816985H01 B 7 2 12 UHF1 Troubleshooting Waveforms PP7 TX LO 7 2 11PP7 TX LO Probe point TP299 ...
Страница 347: ...6816985H01 B August 16 2007 UHF1 Troubleshooting Waveforms TP13 Mod In 7 2 17 7 2 16TP13 Mod In Test point TP36 ...
Страница 371: ...6816985H01 B August 16 2007 UHF1 Troubleshooting Waveforms PP33 SPI Data 7 2 41 7 2 39PP33 SPI Data Probe Point R802 ...
Страница 372: ...August 16 2007 6816985H01 B 7 2 42 UHF1 Troubleshooting Waveforms PP34 SPI CLK 7 2 40PP34 SPI CLK Probe Point R803 ...
Страница 378: ...August 16 2007 6816985H01 B 7 2 48 UHF1 Troubleshooting Waveforms TP39 RX SSI Frame Sync Notes ...
Страница 390: ...August 16 2007 6816985H01 B 7 3 12 UHF2 Troubleshooting Waveforms PP7 TX LO 7 3 11PP7 TX LO Probe point TP299 ...
Страница 395: ...6816985H01 B August 16 2007 UHF2 Troubleshooting Waveforms TP13 Mod In 7 3 17 7 3 16TP13 Mod In Test point TP36 ...
Страница 418: ...August 16 2007 6816985H01 B 7 3 40 UHF2 Troubleshooting Waveforms PP33 SPI Data 7 3 39PP33 SPI Data Probe Point R802 ...
Страница 419: ...6816985H01 B August 16 2007 UHF2 Troubleshooting Waveforms PP34 SPI CLK 7 3 41 7 3 40PP34 SPI CLK Probe Point R803 ...
Страница 486: ...August 16 2007 6816985H01 B 7 5 12 Troubleshooting Waveforms PP7 TX LO 7 5 11PP7 TX LO Probe point Shield Tx_INJ ...
Страница 492: ...August 16 2007 6816985H01 B 7 5 18 Troubleshooting Waveforms TP13 Mod In 7 5 17TP13 Mod In Test point TP203 ...
Страница 501: ...6816985H01 B August 16 2007 Troubleshooting Waveforms PP22 Analog 5V 7 5 27 7 5 26PP22 Analog 5V Probe point U500 pin 5 ...
Страница 517: ...6816985H01 B August 16 2007 Troubleshooting Waveforms PP33 SPI Data 7 5 43 7 5 42PP33 SPI Data Probe Point R802 ...
Страница 518: ...August 16 2007 6816985H01 B 7 5 44 Troubleshooting Waveforms PP34 SPI CLK 7 5 43PP34 SPI CLK Probe Point R803 ...
Страница 521: ...6816985H01 B August 16 2007 Troubleshooting Waveforms TP37 RX SSI Data 7 5 47 7 5 46TP37 RX SSI Data Test Point TP403 ...
Страница 522: ...August 16 2007 6816985H01 B 7 5 48 Troubleshooting Waveforms TP38 RX SSI Clock 7 5 47TP38 RX SSI Clock Test Point TP404 ...
Страница 710: ...9 2 40 UHF1 Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Страница 806: ...9 5 32 900MHz Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Страница 816: ...Index 4 August 16 2007 6816985H01 B Notes ...
Страница 817: ......