EFJohnson 7780 service manual MHz Channels

Page 64

TRANSCEIVER PROGRAMMING

FCC Chan.

Mobile Rx

Mobile Tx

No.

 

Freq.

Freq

 

 

 

 

765

868.1750

823.1750

766

868.1875

823.1875

767

868.2000

823.2000

768

868.2125

823.2125

769

868.2250

823.2250

770

868.2375

823.2375

771

868.2500

823.2500

772

868.2625

823.2625

773

868.2750

823.2750

774

868.2875

823.2875

775

868.3000

823.3000

776

868.3125

823.3125

777

868.3250

823.3250

778

868.3375

823.3375

779

868.3500

823.3500

780

868.3625

823.3625

781

868.3750

823.3750

782

868.3875

823.3875

783

868.4000

823.4000

784

868.4125

823.4125

785

868.4250

823.4250

786

868.4375

823.4375

787

868.4500

823.4500

788

868.4625

823.4625

789

868.4750

823.4750

790

868.4875

823.4875

791

868.5000

823.5000

792

868.5125

823.5125

793

868.5250

823.5250

794

868.5375

823.5375

795

868.5500

823.5500

796

868.5625

823.5625

797

868.5750

823.5750

798

868.5875

823.5875

799

868.6000

823.6000

800

868.6125

823.6125

801

868.6250

823.6250

802

868.6375

823.6375

803

868.6500

823.6500

804

868.6625

823.6625

805

868.6750

823.6750

806

868.6875

823.6875

807

868.7000

823.7000

808

868.7125

823.7125

809

868.7250

823.7250

810

868.7375

823.7375

811

868.7500

823.7500

812

868.7625

823.7625

813

868.7750

823.7750

814

868.7875

823.7875

800 MHz Channels

FCC Chan.

Mobile Rx

Mobile Tx

No.

 

Freq.

Freq

 

 

 

 

815

868.8000

823.8000

816

868.8125

823.8125

817

868.8250

823.8250

818

868.8375

823.8375

819

868.8500

823.8500

820

868.8625

823.8625

821

868.8750

823.8750

822

868.8875

823.8875

823

868.9000

823.9000

824

868.9125

823.9125

825

868.9250

823.9250

826

868.9375

823.9375

827

868.9500

823.9500

828

868.9625

823.9625

829

868.9750

823.9750

830

868.9875

823.9875

-

869.0000

824.0000

-

869.0125

824.0125

-

869.0250

824.0250

-

869.0375

824.0375

-

869.0500

824.0500

-

869.0625

824.0625

-

869.0750

824.0750

-

869.0875

824.0875

-

869.1000

824.1000

-

869.1125

824.1125

-

869.1250

824.1250

-

869.1375

824.1375

-

869.1500

824.1500

-

869.1625

824.1625

-

869.1750

824.1750

-

869.1875

824.1875

-

869.2000

824.2000

-

869.2125

824.2125

-

869.2250

824.2250

-

869.2375

824.2375

-

869.2500

824.2500

-

869.2625

824.2625

-

869.2750

824.2750

-

869.2875

824.2875

-

869.3000

824.3000

-

869.3125

824.3125

-

869.3250

824.3250

-

869.3375

824.3375

-

869.3500

824.3500

-

869.3625

824.3625

-

869.3750

824.3750

-

869.3875

824.3875

-

869.4000

824.4000

-

869.4125

824.4125

FCC Chan.

Mobile Rx

Mobile Tx

No.

 

Freq

Freq

 

 

 

 

-

869.4250

824.4250

-

869.4375

824.4375

-

869.4500

824.4500

-

869.4625

824.4625

-

869.4750

824.4750

-

869.4875

824.4875

-

869.5000

824.5000

-

869.5125

824.5125

-

869.5250

824.5250

-

869.5375

824.5375

-

869.5500

824.5500

-

869.5625

824.5625

-

869.5750

824.5750

-

869.5875

824.5875

-

869.6000

824.6000

-

869.6125

824.6125

-

869.6250

824.6250

-

869.6375

824.6375

-

869.6500

824.6500

-

869.6625

824.6625

-

869.6750

824.6750

-

869.6875

824.6875

-

869.7000

824.7000

-

869.7125

824.7125

-

869.7250

824.7250

-

869.7375

824.7375

-

869.7500

824.7500

-

869.7625

824.7625

-

869.7750

824.7750

-

869.7875

824.7875

-

869.8000

824.8000

-

869.8125

824.8125

-

869.8250

824.8250

-

869.8375

824.8375

-

869.8500

824.8500

-

869.8625

824.8625

-

869.8750

824.8750

-

869.8875

824.8875

-

869.9000

824.9000

-

869.9125

824.9125

-

869.9250

824.9250

-

869.9375

824.9375

-

869.9500

824.9500

-

869.9625

824.9625

-

869.9750

824.9750

-

869.9875

824.9875

November 1999

 

Part No. 001-7780-500

3-28

Page 63 Page 65
Image 64
Page 63 Page 65
Contents 7780 Page Page Table of Contents Table of Contents CONT’D List of Tables List of FiguresGeneral Information Scope of Manual Equipment DescriptionAccessories Factory Customer ServicePart Number Breakdown Transceiver IdentificationAccessories AccessoryToll-Free 800 Factory ReturnsInternet Home Intrinsically Safe Information Replacement PartsDefinitions Temperature Code T3C Possible Ignition SourcesIntrinsically Safe and Nonincendive Ratings Classification of Hazardous Areas and AtmospheresAccessing PC Boards Material ClassificationTypical Hazard Group Class Area ClassificationRemoving RF Unit Removing Logic UnitSpecifications GeneralTransceiver Operation FeaturesControls and Display TX Indicator Red Indicates when the transmitter is keyed Low-Battery Indicator AmberFront Panel Keys Full Keypad Model DisplayDisplay Turning Power on and Setting Volume Option SwitchesGeneral Operation BacklightFunction Conv Option Switch FunctionsSee Tone ENABLE/DISABLE ScanningConventional and SMARTNET/ Smartzone Operation Display Mode Selection Conventional FeaturesMonitoring Before Transmitting Busy Channel Lockout Monitor ModeCall Guard Squelch Penalty Timer Conversation TimerPower Output Select Conventional Mode ScanningPriority Channel Sampling DTMF/ANI Signaling Standard Conventional CallsSMARTNET/SMARTZONE Features Viewing Unit IDStandard Group Calls Enhanced Private Conversation CallsTransceiver Operation Private Conversation II Calls Telephone Calls Call Alert Messaging Emergency Alarm and CallSending Status Conditions SMARTNET/SMARTZONE Scanning Failsoft OperationDynamic Regrouping Supervisory Tones Menu Description Keypad ProgrammingZone Change Parameter System Parameters Channel Change ParameterChannel Parameters Programming Setup Pctrunk Software InstallationTransceiver Programming Computer DescriptionConnecting RPI to Computer and Transceiver Starting and ExitingProgramming File Types Help FilesScreen Pop-Up Buttons and File Size Indicator Programming ProcedureFile Size Indication Creating and Displaying SystemsMenu Commands Menu BarRadio Type Menu Download Menu Upload MenuSystems Menu Window MenuDefaults RADIO-WIDE Parameter ScreensBand ZonesRadio Wide Scan List Radio-Wide Scan List ScreenModify List Screen Assign Function ButtonsRADIO-WIDE Conventional Screen RADIO-WIDE SMARTNET/SMARTZONE ScreenFull Spectrum CC Scan Hot DtmfAdjustable Parameters RADIO-WIDE Portable Options ScreenProgramming Conventional Systems and Channels Conventional System General ScreenTimers Conventional System Modify Scan List ScreenKeypad Editing Scan List ButtonSetting UP Conventional Channels Scan TimersPriority Channel Selection Conventional Channel Screen Parameters Selected ChannelTransmit Power SignalingChannel Type Tx Time-OutRestricted Access Time-Out TimerISW Delay Time Splinter ChannelsSMARTNET/SMARTZONE System Other ID’S Screen SMARTNET/SMARTZONE System Phone Interconnect ScreenPhone Interconnect Private CallSMARTNET/SMARTZONE System Emergency Settings Screen Emergency AlarmSMARTNET/SMARTZONE System Talk Groups Screen Failsoft ChannelTrunking Phone List Screen SMARTNET/SMARTZONE System Lists ScreensMessage Aliasing Screen Announcement Groups Screen Control Channels ScreenTrunking Call List Screen Status Aliasing Screen Setting UP SMARTNET/SMART- Zone ChannelsSMARTNET/SMARTZONE Channel Screen Parameters SMARTNET/SmartZone Channel Screen Other Screen ParametersCall Guard CTCSS/DCS Codes and Tones Recommended Tone Call Guard Codes FreqMHz Channels MHz Channels MHz Channels MHz Channels MHz Channels MHz Channels Power Switching and Regulation Power SwitchingCircuit Description Synthesizer DescriptionSynthesizer Chip IC1 VCO and Tcxo ModulationCharge Pump Q1, Q2, Loop Filter RF Amplifier Q1, First Mixer Q2 Receiver Circuit DescriptionIf Amplifier Q2, LIMITER/DETECTOR IC3 Antenna Switch and LOW-PASS Filter Squelch Circuit IC4A/B, IC5ATransmitter Description Amplifier Q9, Driver Q8Control Logic and Display Receive Audio ProcessingMicroprocessor IC306 Pin Descriptions Pin Port Name Input or Description Active High OutputHvfulswlrq Receive and Transmit Data Processing Audio Amplifier IC104-IC106Receive Data FILTER/DETECTOR IC102A/B, IC107A/B Transmit Data Filter IC206B/ IC206A Transmit Audio ProcessingLOW-PASS Filter IC205A/B Smartnet Data ProcessingBattery Pack and Charger Information Battery PackPower Setting Operating Time Function Fahrenheit CelsiusBattery Pack and Charger Information Alignment Procedure and Performance Tests Test SetupTune Software Hqhudo Mm/3/32 Mm/1/8 Phone JackPreliminary Setup Main Pctune ScreenTransmit Frequency and Power Transmit Power Adjustment ScreenHigh Power Level = 3.0 watts Low Power Level = 1.0 watt Modulation BalanceSquelch Adjust Rssi AdjustAudio Deviation Data DeviationPerformance Tests Receiver Performance TestsPower Output Transmitter Performance TestsTransmit Frequency Transmit ModulationThis page intentionally left blank Parts List Display AssemblyChassis Parts Ref No DescriptionKEY Assembly Display AssemblyKEY Assembly If AssemblyIf Assembly PLL Assembly RF UnitRF Unit NJM2904V-TE1 IC RF Unit Logic Unit Logic Unit TDA7233D IC Logic Unit 200K ERJ3GE MP35 MP18 MP25 KEY Front Panel EP2EP1 MP32 MP33 MP27 MP34 MP28 MP29 MP23 MP22 MP30 MP24 MP26 MP18 PLL Board TOP View Schematic Diagrams and Component LayoutsPLL Board Bottom View If Board TOP View If Board Bottom ViewTransceiver Block Diagram RF UnitRF Board TOP View MICRF Board Schematic If AMPLogic Board TOP View HD1Logic Board Schematic Receive Audio ProcessingDisplay Board Bottom View GND KEYR3 KEYR2 KEYR1 KEYR0 KEYS3 KEYS2 KEYS1 KEYS0 GNDDisplay Board Schematic DS3 DS4 DS5KEY Board Front View KEY Board Back ViewKEY Board Schematic S S R R R RScan HC2 HC7 HC8 HC3 Schematic Diagrams and Component Layouts
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