Manuel D’UtilisationTable des matièresTABLE OF CONTENTS3SECTION 1 GENERAL INFORMATION61.1 SCOPE OF MANUAL61.1.1 General61.1.2 LTR®, Low Tier, and Data Models61.2 TRANSCEIVER DESCRIPTION61.2.1 General61.2.2 Available Frequency Bands61.2.3 Front and Remote Mounting71.2.4 NPSPAC Models (800 MHz Only)71.2.5 Programming71.2.6 Transceiver Alignment71.3 PART NUMBER BREAKDOWN71.4 TRANSCEIVER IDENTIFICATION81.5 ACCESSORIES81.6 PRODUCT WARRANTY91.7 FACTORY CUSTOMER SERVICE91.8 FACTORY RETURNS101.9 REPLACEMENT PARTS101.10 INTERNET HOME PAGE10800 MHz 988x SPECIFICATIONS12900 MHz 989x SPECIFICATIONS13UHF 984x SPECIFICATIONS11SECTION 2 INSTALLATION142.1 GENERAL142.1.1 Scope of Instructions142.1.2 Performance Tests142.1.3 Transceiver Programming152.1.4 Required Power Source152.2 MOUNTING THE TRANSCEIVER152.2.1 Selecting A Mounting Location152.2.2 Installation Components152.2.3 Attaching Mounting Bracket152.3 POWER CABLE INSTALLATION162.4 ACCESSORY CABLE INSTALLATION172.4.1 General172.4.2 Accessory Pigtail Installation182.4.3 Connecting Ignition Sense Wire182.4.4 Connecting Horn Alert Wire192.4.5 Other Accessory Cable Outputs192.5 REMOTE CONTROL UNIT INSTALLATION192.5.1 General192.5.2 Mounting Remote Control Unit192.6 USING AN EXTERNAL SPEAKER202.7 DATA CABLE INSTALLATION202.7.1 General212.7.2 Data Cable Installation212.8 KEY CAP KITS212.8.1 Multi-Net and LTR-Net Models212.8.2 SMARTNET/SmartZone Models22SECTION 3 CIRCUIT DESCRIPTION233.1 GENERAL TRANSCEIVER DESCRIPTION233.1.1 Introduction233.1.2 Circuit Protection (Fuses)233.1.3 Synthesizer233.1.4 Audio/Logic Board233.1.5 Receiver243.1.6 Transmitter243.2 POWER DISTRIBUTION AND SWITCHING243.2.1 Power Switching Control243.2.2 Supply Switching243.3 AUDIO/LOGIC BOARD DIGITAL CIRCUIT263.3.1 Microcontroller (U101)263.3.2 Memory and Latch Programming283.4 RECEIVE AUDIO/DATA PROCESSING293.4.1 Amplifier (U301B)293.4.2 Receive Audio Processing293.4.3 Receive Data Processing303.4.4 Squelch Circuit (U304A, U304B)313.5 TRANSMIT AUDIO/DATA PROCESSING313.5.1 Microphone Amplifier (U303B), High-Pass Filter (U303C)313.5.2 Summing Amplifier (U303D), Pre- Emphasis/Limiter (U303A)323.5.3 Splatter Filter (U302B, U302C)323.5.4 Transmit Data Circuit (U302D, U302A)323.6 DISPLAY BOARD323.7 SYNTHESIZER CIRCUIT DESCRIPTION (UHF MODELS)333.7.1 Introduction333.7.2 Voltage-Controlled Oscillator333.7.3 Active Filter (Q800), Buffer Amplifier (Q801)343.7.4 VCO and TCXO Modulation363.7.5 Synthesizer Integrated Circuit (U804)363.7.6 Lock Detect373.7.7 Charge Pump373.7.8 Shift Register (U800, U801) and Digital Potentiometer (U802) Programming373.8 RECEIVER CIRCUIT DESCRIPTION (UHF MODELS)383.8.1 Front End Filter383.8.2 RF Amplifier (Q201)393.8.3 First Mixer (Q202), Injection Amplifier (Q204)393.8.4 Second Mixer/Detector (U201)393.9 TRANSMITTER CIRCUIT DESCRIPTION (UHF MODELS)413.9.1 First and Second Amplifiers413.9.2 Third Amp and Predriver413.9.3 Driver (Q600), Final (Q601)423.9.4 Antenna Switch423.9.5 Directional Coupler, Low-Pass Filter433.9.6 Power Control (U500A/B, Q500-Q503)433.10 SYNTHESIZER CIRCUIT DESCRIPTION (800/900 MHz MODELS)443.10.1 Introduction443.10.2 Voltage-Controlled Oscillator443.10.3 VCO and TCXO Modulation463.10.4 Active Filter (Q800)473.10.5 Buffer Amplifier (Q801), Tx/Tx Switch (CR801/CR802)473.10.6 Synthesizer Integrated Circuit (U804)483.10.7 Lock Detect493.10.8 Charge Pump493.10.9 Shift Register (U800, U801) and Digital Potentiometer (U802) Programming493.11 RECEIVER CIRCUIT DESCRIPTION (800/900 MHz MODELS)493.11.1 Front End Filter493.11.2 RF Amplifier (Q201)493.11.3 First Mixer (Q202), Crystal Filter (Z204)503.11.4 Second Mixer/Detector (U201)503.12 TRANSMITTER CIRCUIT DESCRIPTION (800/900 MHz MODELS)513.12.1 Predriver (Q506), Driver (Q507)513.12.2 Power Amplifier Module (U600), Final (Q651)523.12.3 Antenna Switch523.12.4 Directional Coupler, Low- Pass Filter523.12.5 Power Control (U500A/B, Q500- Q503)53SECTION 4 SERVICING554.1 GENERAL554.1.1 Periodic Checks554.1.2 Schematic Diagrams and Component Layouts554.1.3 Replacement Parts554.1.4 Configuring Transceiver for Testing554.2 SURFACE MOUNTED DEVICES (SMDs)554.2.1 Servicing Techniques554.2.2 Identifying SMD Resistors554.2.3 SMD Capacitor Identification564.2.4 SMD Inductor Identification574.2.5 Transistor/Diode Identification574.3 SYNTHESIZER TROUBLESHOOTING574.3.1 Introduction574.3.2 Reference Oscillator (U806)584.3.3 VCO Module584.3.4 Synthesizer IC (U804)584.3.5 Determining Synthesizer Counter Divide Numbers594.4 RECEIVER SERVICING594.5 TRANSMITTER SERVICING594.6 AUDIO/LOGIC BOARD SERVICING594.6.1 Digital Circuits594.6.2 Analog Circuits59SECTION 5 PARTS LIST60SECTION 6 SCHEMATICS AND BOARD LAYOUTS93Taille: 13 MoPages: 127Language: EnglishOuvrir le manuel