EFJohnson 7780 service manual Logic Unit

Page 95

PARTS LIST

LOGIC UNIT

Ref No.

Description

Part No.

 

 

 

Q 406

UMD6 TL diode

022-3907-023

R 101

ERJ3GEYJ 154V resistor

022-3906-392

R 102

ERJ3GEYJ 104 V resistor

022-3906-175

R 103

ERJ3GEYJ 473 V resistor

022-3906-171

R 104

ERJ3GEYJ 473 V resistor

022-3906-171

R 105

ERJ3GEYJ 124 V resistor

022-3906-176

R 106

ERJ3GEYJ 394V resistor

022-3901-500

R 107

ERJ3GEYJ 273 V resistor

022-3906-168

R 108

560K ERJ3GE resistor

022-3906-393

R 109

ERJ3GEYJ 562 V resistor

022-3906-161

R 110

ERJ3GEYJ 154V resistor

022-3906-392

R 111

ERJ3GEYJ 104 V resistor

022-3906-175

R 112

ERJ3GEYJ 103V resistor

022-3906-163

R 113

ERJ3GEYJ 473 V resistor

022-3906-171

R 116

560K ERJ3GE resistor

022-3906-393

R 117

RV-283 (RK0971111) resistor

022-3906-189

R 118

ERJ3GEYJ 682 V resistor

022-3906-162

R 119

ERJ3GEYJ 682 V resistor

022-3906-162

R 120

ERJ3GEYJ 104 V resistor

022-3906-175

R 124

ERJ3GEYJ 103V resistor

022-3906-163

R 125

ERJ3GEYJ 102 V resistor

022-3906-154

R 127

2.7 MCR10

022-3906-136

R 131

2.7 MCR10

022-3906-136

R 132

2.7 MCR10

022-3906-136

R 133

ERJ3GEYJ 104 V resistor

022-3906-175

R 134

ERJ3GEYJ 104 V resistor

022-3906-175

R 135

ERJ3GEYJ 473 V resistor

022-3906-171

R 136

ERJ3GEYJ 473 V resistor

022-3906-171

R 137

330K ERJ3GE resistor

022-3906-180

R 139

560K ERJ3GE resistor

022-3906-393

R 140

ERJ3GEYJ 104 V resistor

022-3906-175

R 141

ERJ3GEYJ 104 V resistor

022-3906-175

R 142

ERJ3GEYJ 103V resistor

022-3906-163

R 143

ERJ3GEYJ 183 V resistor

022-3906-166

R 145

ERJ3GEYJ 103V resistor

022-3906-163

R 146

ERJ3GEYJ 104 V resistor

022-3906-175

R 147

ERJ3GEYJ 222 V resistor

022-3906-157

R 148

ERJ3GEYJ 122 V resistor

022-3906-390

R 149

ERJ3GEYJ 103V resistor

022-3906-163

R 150

ERJ3GEYJ 102V resistor

022-3906-154

R 151

ERJ3GEYJ 102V resistor

022-3906-154

R 152

ERJ3GEYJ 103V resistor

022-3906-163

R 153

ERJ3GEYJ 333V resistor

022-3906-169

R 154

ERJ3GEYJ 332V resistor

022-3906-159

 

 

 

Ref No.

Description

Part No.

 

 

 

R 155

ERJ3GEYJ 203V resistor

022-3906-528

R 156

ERJ3GEYJ 223V resistor

022-3906-167

R 157

ERJ3GEYJ 202V resistor

569-0155-202

R 158

ERJ3GEYJ 153V resistor

022-3906-165

R 159

ERJ3GEYJ 223V resistor

022-3906-167

R 160

15K ERJ3GE resistor

022-3906-165

R 161

ERJ3GEYJ 333 V resistor

022-3906-169

R 162

ERJ3GEYJ 333 V resistor

022-3906-169

R 163

ERJ3GEYJ 222 V resistor

022-3906-157

R 164

ERJ3GEYJ 104 V resistor

022-3906-175

R 165

ERJ3GEYJ 473 V resistor

022-3906-171

R 166

ERJ3GEYJ 562 V resistor

022-3906-161

R 167

56K ERJ3GE resistor

022-3906-172

R 168

ERJ3GEYJ 272 V resistor

022-3906-158

R 169

ERJ3GEYJ 473 V resistor

022-3906-171

R 201

39K ERJ3GE resistor

022-3906-170

R 202

39K ERJ3GE resistor

022-3906-170

R 203

ERJ3GEYJ 272 V resistor

022-3906-158

R 204

ERJ3GEYJ 473 V resistor

022-3906-171

R 205

ERJ3GEYJ 224V resistor

022-3906-178

R 206

ERJ3GEYJ 272 V resistor

022-3906-158

R 207

ERJ3GEYJ 333 V resistor

022-3906-169

R 208

56K ERJ3GE resistor

022-3906-172

R 210

ERJ3GEYJ 474 V resistor

022-3906-181

R 211

ERJ3GEYJ 562 V resistor

022-3906-161

R 212

1.2M ERJ3GE resistor

022-3906-856

R 213

ERJ3GEYJ 105 V resistor

022-3906-184

R 214

ERJ3GEYJ 102 V resistor

022-3906-154

R 215

ERJ3GEYJ821V resistor

022-3906-153

R 216

ERJ3GEYJ 474 V resistor

022-3906-181

R 220

39K ERJ3GE resistor

022-3906-170

R 221

ERJ3GEYJ 823 V resistor

022-3906-174

R 222

ERJ3GEYJ 332 V resistor

022-3906-159

R 223

ERJ3GEYJ 683V resistor

022-3906-173

R 224

ERJ3GEYJ 154V resistor

022-3906-392

R 225

ERJ3GEYJ 562 V resistor

022-3906-161

R 226

ERJ3GEYJ 103V resistor

022-3906-163

R 227

ERJ3GEYJ 103V resistor

022-3906-163

R 228

ERJ3GEYJ 472 V resistor

022-3906-160

R 231

ERJ3GEYJ 273 V resistor

022-3906-168

R 232

ERJ3GEYJ 273 V resistor

022-3906-168

R 235

ERJ3GEYJ 104 V resistor

022-3906-175

R 236

ERJ3GEYJ 104 V resistor

022-3906-175

R 237

ERJ3GEYJ 473 V resistor

022-3906-171

R 238

ERJ3GEYJ 473 V resistor

022-3906-171

 

 

 

 

November 1999

7-11

Part No. 001-7780-500

Image 95
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 800Definitions Replacement PartsInternet Home Intrinsically Safe Information 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 SpecificationsControls and Display FeaturesTransceiver Operation Low-Battery Indicator Amber TX Indicator Red Indicates when the transmitter is keyedDisplay DisplayFront Panel Keys Full Keypad Model Backlight Turning Power on and Setting VolumeOption Switches General OperationSee Option Switch FunctionsFunction Conv Scanning Tone ENABLE/DISABLEConventional and SMARTNET/ Smartzone Operation Monitoring Before Transmitting Conventional FeaturesDisplay Mode Selection Call Guard Squelch Monitor ModeBusy Channel Lockout 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 Sending Status Conditions Emergency Alarm and CallMessaging Dynamic Regrouping Failsoft OperationSMARTNET/SMARTZONE Scanning Supervisory Tones Zone Change Parameter Keypad ProgrammingMenu Description Channel Parameters Channel Change ParameterSystem 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 EditingPriority Channel Selection Scan TimersSetting UP Conventional Channels 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 ScreenMessage Aliasing Screen SMARTNET/SMARTZONE System Lists ScreensTrunking Phone List Screen Control Channels Screen Announcement Groups ScreenTrunking Call List Screen SMARTNET/SMARTZONE Channel Screen Parameters Setting UP SMARTNET/SMART- Zone ChannelsStatus Aliasing Screen 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 DescriptionCharge Pump Q1, Q2, Loop Filter VCO and Tcxo ModulationSynthesizer Chip IC1 If Amplifier Q2, LIMITER/DETECTOR IC3 Receiver Circuit DescriptionRF Amplifier Q1, First Mixer Q2 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 Receive Data FILTER/DETECTOR IC102A/B, IC107A/B Audio Amplifier IC104-IC106Receive and Transmit Data Processing 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 If AssemblyKEY 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 Bottom View Schematic Diagrams and Component LayoutsPLL Board TOP 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