EFJohnson 7780 service manual Logic Unit

Page 93

PARTS LIST

LOGIC UNIT

Ref No.

Description

Part No.

 

 

 

C 139

1 C2012 10V B

022-3907-034

C 140

4.7 10V MSVA

022-3906-361

C 141

1 C2012 10V B

022-3907-034

C 142

C1608 JB 1E 103KTA

022-3906-063

C 143

1 C2012 10V B

022-3907-034

C 144

C1608 CH 1H 330J-T-A

022-3906-070

C 145

1 C2012 10V B

022-3907-034

C 150

0.0056 C1608 B

022-3906-607

C 151

0.015 C1608 16V B

022-3901-397

C 152

C1608 JB 1E 103KTA

022-3906-063

C 153

C1608 JB 1C 473K-T-A

022-3906-080

C 154

C1608 JB 1H 222K-T-A

022-3906-061

C 155

C1608 JB 1C 223K-T-A

022-3906-079

C 156

C1608 JB 1C 682K-T-A

022-3906-088

C 157

1 C2012 10V B

022-3907-034

C 158

1 C2012 10V B

022-3907-034

C 159

C1608 JB 1E 103KTA

022-3906-063

C 201

C1608 JB 1H 472K-T-A

022-3906-062

C 202

C1608 JB 1H 472K-T-A

022-3906-062

C 203

C1608 JB 1H 472K-T-A

022-3906-062

C 204

1 C2012 10V B

022-3907-034

C 205

C1608 JB 1H 472K-T-A

022-3906-062

C 206

C1608 JB 1C 104KT-N

022-3906-614

C 207

C1608 JB 1C 104KT-N

022-3906-614

C 208

C1608 JB 1C 473K-T-A

022-3906-080

C 209

1 C2012 10V B

022-3907-034

C 210

0.0033 C1608 B

022-3906-077

C 211

560P C1608 SL

022-3906-526

C 212

C1608 CH 1H 560J-T-A

022-3906-601

C 213

C1608 JB 1H 472K-T-A

022-3906-062

C 214

1 C2012 10V B

022-3907-034

C 215

C1608 JB 1E 103KTA

022-3906-063

C 216

C1608 JB 1E 103KTA

022-3906-063

C 217

0.0033 C1608 B

022-3906-077

C 218

C1608 JB 1H 222K-T-A

022-3906-061

C 219

C1608 JB 1C 104KT-N

022-3906-614

C 222

1 C2012 10V B

022-3907-034

C 223

1 C2012 10V B

022-3907-034

C 224

1 C2012 10V B

022-3907-034

C 225

C1608 JF 1C 104Z-T-A

022-3906-076

C 226

4.7 C3216 6.3V B

022-3907-035

C 227

1 C2012 10V B

022-3907-034

C 228

C1608 JB 1C 104KT-N

022-3906-614

C 229

C1608 CH 1H 330J-T-A

022-3906-070

C 301

C1608 JF 1C 104Z-T-A

022-3906-076

 

 

 

Ref No.

Description

Part No.

 

 

 

C 303

C1608 CH 1H 150J-T-A

022-3906-067

C 304

C1608 CH 1H 180J-T-A

022-3906-068

C 305

C1608 CH 1H 270J-T-A

022-3906-069

C 306

C1608 JF 1C 104Z-T-A

022-3906-076

C 307

C2012 JB 1C 224K-T-A

022-3906-082

C 308

C1608 JB 1C 473K-T-A

022-3906-080

C 401

C1608 CH 1H 330J-T-A

022-3906-070

C 402

C1608 CH 1H 330J-T-A

022-3906-070

C 403

1 C2012 10V B

022-3907-034

C 404

4.7 16V MSVA

022-3906-097

C 405

C1068 JB 1H 102K-T-A

022-3906-060

C 406

C1608 CH 1H 330J-T-A

022-3906-070

C 407

4.7 10V MSVA

022-3906-361

C 408

C1608 CH 1H 330J-T-A

022-3906-070

C 409

4.7 16V MSVA

022-3906-097

C 410

C1068 JB 1H 102K-T-A

022-3906-060

C 411

C1608 CH 1H 330J-T-A

022-3906-070

C 412

4.7 10V MSVA

022-3906-361

C 413

C1608 CH 1H 330J-T-A

022-3906-070

C 414

C2012 JB 1C 224K-T-A

022-3906-082

C 415

4.7 10V MSVA

022-3906-361

C 416

C1068 JB 1H 102K-T-A

022-3906-060

C 418

C1068 JB 1H 102K-T-A

022-3906-060

C 419

C1608 CH 1H 330J-T-A

022-3906-070

C 420

C1608 JB 1C 104KT-N

022-3906-614

C 421

C1608 JB 1C 104KT-N

022-3906-614

C 422

C1068 JB 1H 102K-T-A

022-3906-060

C 423

4.7 10V MSVA

022-3906-361

C 430

C1608 CH 1H 330J-T-A

022-3906-070

C 431

C1608 CH 1H 330J-T-A

022-3906-070

C 432

C1608 CH 1H 330J-T-A

022-3906-070

C 433

C1608 CH 1H 330J-T-A

022-3906-070

C 434

C1608 CH 1H 330J-T-A

022-3906-070

C 435

C1608 CH 1H 330J-T-A

022-3906-070

C 436

C1608 CH 1H 330J-T-A

022-3906-070

C 437

C1608 CH 1H 330J-T-A

022-3906-070

C 438

C1608 CH 1H 330J-T-A

022-3906-070

C 439

C1608 CH 1H 330J-T-A

022-3906-070

C 440

C1608 CH 1H 330J-T-A

022-3906-070

C 441

C1608 CH 1H 330J-T-A

022-3906-070

C 443

C1608 CH 1H 330J-T-A

022-3906-070

C 444

C1608 CH 1H 330J-T-A

022-3906-070

C 446

C1608 CH 1H 330J-T-A

022-3906-070

C 447

C1608 CH 1H 330J-T-A

022-3906-070

C 448

C1608 CH 1H 330J-T-A

022-3906-070

 

 

 

 

November 1999

7-9

Part No. 001-7780-500

Page 92 Page 94
Image 93
Page 92 Page 94
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 ReturnsReplacement Parts Internet Home Intrinsically Safe InformationDefinitions 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 SpecificationsFeatures Transceiver OperationControls and Display Low-Battery Indicator Amber TX Indicator Red Indicates when the transmitter is keyedDisplay Front Panel Keys Full Keypad ModelDisplay Option Switches Turning Power on and Setting VolumeGeneral Operation BacklightOption 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 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 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 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 ButtonScan Timers Setting UP Conventional ChannelsPriority 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 ChannelSMARTNET/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 Power Switching Power Switching and RegulationCircuit Description Synthesizer 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 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 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/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 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
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