EFJohnson 7780 service manual MHz Channels

Page 61

TRANSCEIVER PROGRAMMING

FCC Chan.		Mobile Rx	Mobile Tx
No.		Freq.	Freq

325	859.1125		814.1125
326	859.1375		814.1375
327	859.1625		814.1625
328	859.1875		814.1875
329	859.2125		814.2125
330	859.2375		814.2375
331	859.2625		814.2625
332	859.2875		814.2875
333	859.3125		814.3125
334	859.3375		814.3375
335	859.3625		814.3625
336	859.3875		814.3875
337	859.4125		814.4125
338	859.4375		814.4375
339	859.4625		814.4625
340	859.4875		814.4875
341	859.5125		814.5125
342	859.5375		814.5375
343	859.5625		814.5625
344	859.5875		814.5875
345	859.6125		814.6125
346	859.6375		814.6375
347	859.6625		814.6625
348	859.6875		814.6875
349	859.7125		814.7125
350	859.7375		814.7375
351	859.7625		814.7625
352	859.7875		814.7875
353	859.8125		814.8125
354	859.8375		814.8375
355	859.8625		814.8625
356	859.8875		814.8875
357	859.9125		814.9125
358	859.9375		814.9375
359	859.9625		814.9625
360	859.9875		814.9875
361	860.0125		815.0125
362	860.0375		815.0375
363	860.0625		815.0625
364	860.0875		815.0875
365	860.1125		815.1125
366	860.1375		815.1375
367	860.1625		815.1625
368	860.1875		815.1875
369	860.2125		815.2125
370	860.2375		815.2375
371	860.2625		815.2625
372	860.2875		815.2875
373	860.3125		815.3125
374	860.3375		815.3375

800 MHz Channels

FCC Chan.		Mobile Rx	Mobile Tx
No.		Freq.	Freq

375	860.3625		815.3625
376	860.3875		815.3875
377	860.4125		815.4125
378	860.4375		815.4375
379	860.4625		815.4625
380	860.4875		815.4875
381	860.5125		815.5125
382	860.5375		815.5375
383	860.5625		815.5625
384	860.5875		815.5875
385	860.6125		815.6125
386	860.6375		815.6375
387	860.6625		815.6625
388	860.6875		815.6875
389	860.7125		815.7125
390	860.7375		815.7375
391	860.7625		815.7625
392	860.7875		815.7875
393	860.8125		815.8125
394	860.8375		815.8375
395	860.8625		815.8625
396	860.8875		815.8875
397	860.9125		815.9125
398	860.9375		815.9375
399	860.9625		815.9625
400	860.9875		815.9875
401	861.0125		816.0125
402	861.0375		816.0375
403	861.0625		816.0625
404	861.0875		816.0875
405	861.1125		816.1125
406	861.1375		816.1375
407	861.1625		816.1625
408	861.1875		816.1875
409	861.2125		816.2125
410	861.2375		816.2375
411	861.2625		816.2625
412	861.2875		816.2875
413	861.3125		816.3125
414	861.3375		816.3375
415	861.3625		816.3625
416	861.3875		816.3875
417	861.4125		816.4125
418	861.4375		816.4375
419	861.4625		816.4625
420	861.4875		816.4875
421	861.5125		816.5125
422	861.5375		816.5375
423	861.5625		816.5625
424	861.5875		816.5875

FCC Chan.		Mobile Rx	Mobile Tx
No.		Freq	Freq

425	861.6125		816.6125
426	861.6375		816.6375
427	861.6625		816.6625
428	861.6875		816.6875
429	861.7125		816.7125
430	861.7375		816.7375
431	861.7625		816.7625
432	861.7875		816.7875
433	861.8125		816.8125
434	861.8375		816.8375
435	861.8625		816.8625
436	861.8875		816.8875
437	861.9125		816.9125
438	861.9375		816.9375
439	861.9625		816.9625
440	861.9875		816.9875
441	862.0125		817.0125
442	862.0375		817.0375
443	862.0625		817.0625
444	862.0875		817.0875
445	862.1125		817.1125
446	862.1375		817.1375
447	862.1625		817.1625
448	862.1875		817.1875
449	862.2125		817.2125
450	862.2375		817.2375
451	862.2625		817.2625
452	862.2875		817.2875
453	862.3125		817.3125
454	862.3375		817.3375
455	862.3625		817.3625
456	862.3875		817.3875
457	862.4125		817.4125
458	862.4375		817.4375
459	862.4625		817.4625
460	862.4875		817.4875
461	862.5125		817.5125
462	862.5375		817.5375
463	862.5625		817.5625
464	862.5875		817.5875
465	862.6125		817.6125
466	862.6375		817.6375
467	862.6625		817.6625
468	862.6875		817.6875
469	862.7125		817.7125
470	862.7375		817.7375
471	862.7625		817.7625
472	862.7875		817.7875
473	862.8125		817.8125
474	862.8375		817.8375

	November 1999
3-25	Part No. 001-7780-500

Image 61

Contents 7780 Page Page Table of Contents Table of Contents CONT’D List of Figures List of TablesScope of Manual Equipment Description General InformationFactory Customer Service AccessoriesPart Number Breakdown Transceiver IdentificationAccessory AccessoriesToll-Free 800 Factory ReturnsInternet Home Intrinsically Safe Information Replacement PartsDefinitions Possible Ignition Sources Temperature Code T3CIntrinsically Safe and Nonincendive Ratings Classification of Hazardous Areas and AtmospheresMaterial Classification Accessing PC BoardsTypical Hazard Group Class Area ClassificationRemoving Logic Unit Removing RF UnitGeneral SpecificationsTransceiver Operation FeaturesControls and Display Low-Battery Indicator Amber TX Indicator Red Indicates when the transmitter is keyedFront Panel Keys Full Keypad Model DisplayDisplay Option Switches Turning Power on and Setting VolumeGeneral Operation BacklightFunction Conv Option Switch FunctionsSee Scanning Tone ENABLE/DISABLEConventional and SMARTNET/ Smartzone Operation Display Mode Selection Conventional FeaturesMonitoring Before Transmitting Busy Channel Lockout Monitor ModeCall Guard Squelch Conversation Timer Penalty TimerPower Output Select Conventional Mode ScanningPriority Channel Sampling Standard Conventional Calls DTMF/ANI SignalingViewing Unit ID SMARTNET/SMARTZONE FeaturesStandard 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 Pctrunk Software Installation Programming SetupTransceiver Programming Computer DescriptionStarting and Exiting Connecting RPI to Computer and TransceiverProgramming File Types Help FilesProgramming Procedure Screen Pop-Up Buttons and File Size IndicatorFile Size Indication Creating and Displaying SystemsMenu Bar Menu CommandsDownload Menu Upload Menu Radio Type MenuSystems Menu Window MenuRADIO-WIDE Parameter Screens DefaultsBand ZonesRadio-Wide Scan List Screen Radio Wide Scan ListModify List Screen Assign Function ButtonsRADIO-WIDE SMARTNET/SMARTZONE Screen RADIO-WIDE Conventional ScreenFull Spectrum CC Scan Hot DtmfRADIO-WIDE Portable Options Screen Adjustable ParametersProgramming Conventional Systems and Channels Conventional System General ScreenConventional System Modify Scan List Screen TimersKeypad Editing Scan List ButtonSetting UP Conventional Channels Scan TimersPriority Channel Selection Selected Channel Conventional Channel Screen ParametersSignaling Transmit PowerChannel Type Tx Time-OutTime-Out Timer Restricted AccessISW Delay Time Splinter ChannelsSMARTNET/SMARTZONE System Phone Interconnect Screen SMARTNET/SMARTZONE System Other ID’S ScreenPhone Interconnect Private CallEmergency Alarm SMARTNET/SMARTZONE System Emergency Settings ScreenSMARTNET/SMARTZONE System Talk Groups Screen Failsoft ChannelTrunking Phone List Screen SMARTNET/SMARTZONE System Lists ScreensMessage Aliasing Screen Control Channels Screen Announcement Groups ScreenTrunking Call List Screen Status Aliasing Screen Setting UP SMARTNET/SMART- Zone ChannelsSMARTNET/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 Power Switching Power Switching and RegulationCircuit 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 Squelch Circuit IC4A/B, IC5A Antenna Switch and LOW-PASS FilterTransmitter Description Amplifier Q9, Driver Q8Receive Audio Processing Control Logic and DisplayPin Port Name Input or Description Active High Output Microprocessor IC306 Pin DescriptionsHvfulswlrq Receive and Transmit Data Processing Audio Amplifier IC104-IC106Receive Data FILTER/DETECTOR IC102A/B, IC107A/B Transmit Audio Processing Transmit Data Filter IC206B/ IC206ASmartnet Data Processing LOW-PASS Filter IC205A/BBattery Pack Battery Pack and Charger InformationPower Setting Operating Time Function Fahrenheit CelsiusBattery Pack and Charger Information Test Setup Alignment Procedure and Performance TestsMm/3/32 Mm/1/8 Phone Jack Tune Software HqhudoMain Pctune Screen Preliminary SetupTransmit Power Adjustment Screen Transmit Frequency and PowerHigh Power Level = 3.0 watts Low Power Level = 1.0 watt Modulation BalanceRssi Adjust Squelch AdjustAudio Deviation Data DeviationReceiver Performance Tests Performance TestsTransmitter Performance Tests Power OutputTransmit Frequency Transmit ModulationThis page intentionally left blank Display Assembly Parts ListChassis Parts Ref No DescriptionDisplay Assembly KEY AssemblyKEY Assembly If 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 PLL Board TOP View Schematic Diagrams and Component LayoutsPLL 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