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