EFJohnson 7780 service manual MHz Channels

Page 63

TRANSCEIVER PROGRAMMING

FCC Chan.

Mobile Rx

Mobile Tx

No.

 

Freq.

Freq

 

 

 

 

623

866.3000

821.3000

624

866.3125

821.3125

625

866.3250

821.3250

626

866.3375

821.3375

627

866.3500

821.3500

628

866.3625

821.3625

629

866.3750

821.3750

630

866.3875

821.3875

631

866.4000

821.4000

632

866.4125

821.4125

633

866.4250

821.4250

634

866.4375

821.4375

635

866.4500

821.4500

636

866.4625

821.4625

637

866.4750

821.4750

638

866.4875

821.4875

-

866.5000

821.5000

639

866.5125

821.5125

-

866.5250

821.5250

640

866.5375

821.5375

641

866.5500

821.5500

642

866.5625

821.5625

643

866.5750

821.5750

644

866.5875

821.5875

645

866.6000

821.6000

646

866.6125

821.6125

647

866.6250

821.6250

648

866.6375

821.6375

649

866.6500

821.6500

650

866.6625

821.6625

651

866.6750

821.6750

652

866.6875

821.6875

653

866.7000

821.7000

654

866.7125

821.7125

655

866.7250

821.7250

656

866.7375

821.7375

657

866.7500

821.7500

658

866.7625

821.7625

659

866.7750

821.7750

660

866.7875

821.7875

661

866.8000

821.8000

662

866.8125

821.8125

663

866.8250

821.8250

664

866.8375

821.8375

665

866.8500

821.8500

666

866.8625

821.8625

667

866.8750

821.8750

668

866.8875

821.8875

669

866.9000

821.9000

670

866.9125

821.9125

800 MHz Channels

FCC Chan.

Mobile Rx

Mobile Tx

No.

 

Freq.

Freq

 

 

 

 

671

866.9250

821.9250

672

866.9375

821.9375

673

866.9500

821.9500

674

866.9625

821.9625

675

866.9750

821.9750

676

866.9875

821.9875

-

867.0000

822.0000

677

867.0125

822.0125

-

867.0250

822.0250

678

867.0375

822.0375

679

867.0500

822.0500

680

867.0625

822.0625

681

867.0750

822.0750

682

867.0875

822.0875

683

867.1000

822.1000

684

867.1125

822.1125

685

867.1250

822.1250

686

867.1375

822.1375

687

867.1500

822.1500

688

867.1625

822.1625

689

867.1750

822.1750

690

867.1875

822.1875

691

867.2000

822.2000

692

867.2125

822.2125

693

867.2250

822.2250

694

867.2375

822.2375

695

867.2500

822.2500

696

867.2625

822.2625

697

867.2750

822.2750

698

867.2875

822.2875

699

867.3000

822.3000

700

867.3125

822.3125

701

867.3250

822.3250

702

867.3375

822.3375

703

867.3500

822.3500

704

867.3625

822.3625

705

867.3750

822.3750

706

867.3875

822.3875

707

867.4000

822.4000

708

867.4125

822.4125

709

867.4250

822.4250

710

867.4375

822.4375

711

867.4500

822.4500

712

867.4625

822.4625

713

867.4750

822.4750

714

867.4875

822.4875

-

867.5000

822.5000

715

867.5125

822.5125

-

867.5250

822.5250

716

867.5375

822.5375

FCC Chan.

Mobile Rx

Mobile Tx

No.

 

Freq

Freq

 

 

 

 

717

867.5500

822.5500

718

867.5625

822.5625

719

867.5750

822.5750

720

867.5875

822.5875

721

867.6000

822.6000

722

867.6125

822.6125

723

867.6250

822.6250

724

867.6375

822.6375

725

867.6500

822.6500

726

867.6625

822.6625

727

867.6750

822.6750

728

867.6875

822.6875

729

867.7000

822.7000

730

867.7125

822.7125

731

867.7250

822.7250

732

867.7375

822.7375

733

867.7500

822.7500

734

867.7625

822.7625

735

867.7750

822.7750

736

867.7875

822.7875

737

867.8000

822.8000

738

867.8125

822.8125

739

867.8250

822.8250

740

867.8375

822.8375

741

867.8500

822.8500

742

867.8625

822.8625

743

867.8750

822.8750

744

867.8875

822.8875

745

867.9000

822.9000

746

867.9125

822.9125

747

867.9250

822.9250

748

867.9375

822.9375

749

867.9500

822.9500

750

867.9625

822.9625

751

867.9750

822.9750

752

867.9875

822.9875

-

868.0000

823.0000

753

868.0125

823.0125

-

868.0250

823.0250

754

868.0375

823.0375

755

868.0500

823.0500

756

868.0625

823.0625

757

868.0750

823.0750

758

868.0875

823.0875

759

868.1000

823.1000

760

868.1125

823.1125

761

868.1250

823.1250

762

868.1375

823.1375

763

868.1500

823.1500

764

868.1625

823.1625

 

November 1999

3-27

Part No. 001-7780-500

Image 63
Contents 7780 Page Page Table of Contents Table of Contents CONT’D List of Figures List of TablesScope of Manual Equipment Description General InformationTransceiver Identification AccessoriesFactory Customer Service Part Number BreakdownFactory Returns AccessoriesAccessory Toll-Free 800Replacement Parts Internet Home Intrinsically Safe InformationDefinitions Classification of Hazardous Areas and Atmospheres Temperature Code T3CPossible Ignition Sources Intrinsically Safe and Nonincendive RatingsArea Classification Accessing PC BoardsMaterial Classification Typical Hazard Group ClassRemoving Logic Unit Removing RF UnitGeneral SpecificationsFeatures Transceiver OperationControls and Display Low-Battery Indicator Amber TX Indicator Red Indicates when the transmitter is keyedDisplay Front Panel Keys Full Keypad ModelDisplay Backlight Turning Power on and Setting VolumeOption Switches General OperationOption Switch Functions Function ConvSee Scanning Tone ENABLE/DISABLEConventional and SMARTNET/ Smartzone Operation Conventional Features Display Mode SelectionMonitoring Before Transmitting Monitor Mode Busy Channel LockoutCall Guard Squelch Conventional Mode Scanning Penalty TimerConversation Timer Power Output SelectPriority Channel Sampling Standard Conventional Calls DTMF/ANI SignalingEnhanced Private Conversation Calls SMARTNET/SMARTZONE FeaturesViewing Unit ID Standard Group CallsTransceiver Operation Private Conversation II Calls Telephone Calls Call Alert Emergency Alarm and Call MessagingSending Status Conditions Failsoft Operation SMARTNET/SMARTZONE ScanningDynamic Regrouping Supervisory Tones Keypad Programming Menu DescriptionZone Change Parameter Channel Change Parameter System ParametersChannel Parameters Computer Description Programming SetupPctrunk Software Installation Transceiver ProgrammingHelp Files Connecting RPI to Computer and TransceiverStarting and Exiting Programming File TypesCreating and Displaying Systems Screen Pop-Up Buttons and File Size IndicatorProgramming Procedure File Size IndicationMenu Bar Menu CommandsWindow Menu Radio Type MenuDownload Menu Upload Menu Systems MenuZones DefaultsRADIO-WIDE Parameter Screens BandAssign Function Buttons Radio Wide Scan ListRadio-Wide Scan List Screen Modify List ScreenHot Dtmf RADIO-WIDE Conventional ScreenRADIO-WIDE SMARTNET/SMARTZONE Screen Full Spectrum CC ScanConventional System General Screen Adjustable ParametersRADIO-WIDE Portable Options Screen Programming Conventional Systems and ChannelsScan List Button TimersConventional System Modify Scan List Screen Keypad EditingScan Timers Setting UP Conventional ChannelsPriority Channel Selection Selected Channel Conventional Channel Screen ParametersTx Time-Out Transmit PowerSignaling Channel TypeSplinter Channels Restricted AccessTime-Out Timer ISW Delay TimePrivate Call SMARTNET/SMARTZONE System Other ID’S ScreenSMARTNET/SMARTZONE System Phone Interconnect Screen Phone InterconnectFailsoft Channel SMARTNET/SMARTZONE System Emergency Settings ScreenEmergency Alarm SMARTNET/SMARTZONE System Talk Groups ScreenSMARTNET/SMARTZONE System Lists Screens Trunking Phone List ScreenMessage Aliasing Screen Control Channels Screen Announcement Groups ScreenTrunking Call List Screen Setting UP SMARTNET/SMART- Zone Channels Status Aliasing ScreenSMARTNET/SMARTZONE Channel Screen Parameters Other Screen Parameters SMARTNET/SmartZone Channel ScreenRecommended Tone Call Guard Codes Freq Call Guard CTCSS/DCS Codes and TonesMHz Channels MHz Channels MHz Channels MHz Channels MHz Channels MHz Channels Synthesizer Description Power Switching and RegulationPower Switching Circuit DescriptionVCO and Tcxo Modulation Synthesizer Chip IC1Charge Pump Q1, Q2, Loop Filter Receiver Circuit Description RF Amplifier Q1, First Mixer Q2If Amplifier Q2, LIMITER/DETECTOR IC3 Amplifier Q9, Driver Q8 Antenna Switch and LOW-PASS FilterSquelch Circuit IC4A/B, IC5A Transmitter DescriptionReceive Audio Processing Control Logic and DisplayPin Port Name Input or Description Active High Output Microprocessor IC306 Pin DescriptionsHvfulswlrq Audio Amplifier IC104-IC106 Receive and Transmit Data ProcessingReceive Data FILTER/DETECTOR IC102A/B, IC107A/B Transmit Audio Processing Transmit Data Filter IC206B/ IC206ASmartnet Data Processing LOW-PASS Filter IC205A/BFunction Fahrenheit Celsius Battery Pack and Charger InformationBattery Pack Power Setting Operating TimeBattery Pack and Charger Information Test Setup Alignment Procedure and Performance TestsMm/3/32 Mm/1/8 Phone Jack Tune Software HqhudoMain Pctune Screen Preliminary SetupModulation Balance Transmit Frequency and PowerTransmit Power Adjustment Screen High Power Level = 3.0 watts Low Power Level = 1.0 wattData Deviation Squelch AdjustRssi Adjust Audio DeviationReceiver Performance Tests Performance TestsTransmit Modulation Power OutputTransmitter Performance Tests Transmit FrequencyThis page intentionally left blank Ref No Description Parts ListDisplay Assembly Chassis PartsDisplay Assembly KEY AssemblyIf Assembly KEY AssemblyIf Assembly RF Unit PLL AssemblyRF Unit NJM2904V-TE1 IC RF Unit Logic Unit Logic Unit TDA7233D IC Logic Unit 200K ERJ3GE MP35 MP18 MP25 EP2 KEY Front PanelEP1 MP32 MP33 MP27 MP34 MP28 MP29 MP23 MP22 MP30 MP24 MP26 MP18 Schematic Diagrams and Component Layouts PLL Board TOP ViewPLL Board Bottom View If Board Bottom View If Board TOP ViewRF Unit Transceiver Block DiagramMIC RF Board TOP ViewIf AMP RF Board SchematicHD1 Logic Board TOP ViewReceive Audio Processing Logic Board SchematicGND KEYR3 KEYR2 KEYR1 KEYR0 KEYS3 KEYS2 KEYS1 KEYS0 GND Display Board Bottom ViewDS3 DS4 DS5 Display Board SchematicKEY Board Back View KEY Board Front ViewS S R R R R KEY Board SchematicScan HC2 HC7 HC8 HC3 Schematic Diagrams and Component Layouts