EFJohnson 7780 service manual MHz Channels

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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