EFJohnson 7780 service manual RF Unit

Page 91

PARTS LIST

RF UNIT

Ref No.

Description

Part No.

 

 

 

Q 18

2SC4215-Y transistor

022-3906-320

Q 19

DTA144EE transistor

022-3907-024

Q 20

DTA144EE transistor

022-3907-024

Q 21

DTC144EE TL transistor

022-3906-329

R 001

DRJ3GEYJ 561 V resistor

022-3906-151

R 002

ERJ3GEYJ 472 V resistor

022-3906-160

R 003

ERJ3GEYJ 182 V resistor

022-3906-156

R 004

56K ERJ3GE resistor

022-3906-172

R 005

ERJ3GEYJ 333 V resistor

022-3906-169

R 006

ERJ3GEUJ 560V resistor

022-3906-142

R 007

ERJ3GEYJ 181 V resistor

022-3906-146

R 009

270 ERJ3GE resistor

022-3906-147

R 010

18 ERJ3GE resistor

022-3906-140

R 011

270 ERJ3GE resistor

022-3906-147

R 012

ERJ3GEYJ 102 V resistor

022-3906-154

R 020

82 MCR10 resistor

022-3907-049

R 021

ERJ3GEYJ 102 V resistor

022-3906-154

R 022

ERJ3GEYJ 102 V resistor

022-3906-154

R 023

ERJ3GEYJ 103V resistor

022-3906-163

R 024

ERJ3GEYJ 473 V resistor

022-3906-171

R 025

ERJ3GEYJ 103V resistor

022-3906-163

R 026

ERJ3GEYJ 104 V resistor

022-3906-175

R 027

ERJ3GEYJ 104 V resistor

022-3906-175

R 028

56K ERJ3GE resistor

022-3906-172

R 029

ERJ3GEYJ 333 V resistor

022-3906-169

R 030

ERJ3GEYJ 182 V resistor

022-3906-156

R 031

ERJ3GEYJ 332 V resistor

022-3906-159

R 032

ERJ3GEYJ 104 V resistor

022-3906-175

R 033

ERJ3GEYJ 273 V resistor

022-3906-168

R 034

ERJ3GEYJ 103V resistor

022-3906-163

R 035

ERJ3GEYJ 224V resistor

022-3906-178

R 036

ERJ3GEYJ 221 V resistor

022-3906-288

R 037

ERJ3GEYJ 101 V resistor

022-3906-143

R 039

ERJ3GEYJ 473 V resistor

022-3906-171

R 041

ERJ3GEYJ 471 V resistor

022-3906-150

R 042

ERJ3GEYJ 100V 10 OHM resistor

022-3906-138

R 043

ERJ3GEYJ 471 V resistor

022-3906-150

R 044

ERJ3GEYJ 220V resistor

022-3906-685

R 045

ERJ3GEYJ 272 V resistor

022-3906-158

R 046

ERJ3GEYJ 100V 10 ohm resistor

022-3906-138

R 047

15 ERJ3GE resistor

022-3906-139

R 048

ERJ3GEYJ 472 V resistor

022-3906-160

R 049

ERJ3GEYJ 122 V resistor

022-3906-390

R 050

ERJ3GEYJ 472 V resistor

022-3906-160

 

 

 

Ref No.

Description

Part No.

 

 

 

R 051

ERJ3GEYJ 472 V resistor

022-3906-160

R 052

ERJ3GEUJ 560V resistor

022-3906-142

R 053

39K ERJ3GE resistor

022-3906-170

R 054

DRJ3GEYJ 561 V resistor

022-3906-151

R 055

ERJ3GEYJ 392 V resistor

022-3906-391

R 056

ERJ3GEYJ 222 V resistor

022-3906-157

R 057

15 ERJ3GE resistor

022-3906-139

R 058

15 ERJ3GE resistor

022-3906-139

R 059

15 ERJ3GE resistor

022-3906-139

R 060

270 ERJ3GE resistor

022-3906-147

R 061

18 ERJ3GE resistor

022-3906-140

R 062

270 ERJ3GE resistor

022-3906-147

R 063

ERJ3GEYJ821V resistor

022-3906-153

R 064

ERJ3GEYJ 682 V resistor

022-3906-162

R 065

ERJ3GEYJ 182 V resistor

022-3906-156

R 066

ERJ3GEUJ 560V resistor

022-3906-142

R 067

ERJ3GEYJ 473 V resistor

022-3906-171

R 068

ERJ3GEYJ 104 V resistor

022-3906-175

R 069

ERJ3GEYJ 104 V resistor

022-3906-175

R 072

ERJ3GEYJ 104 V resistor

022-3906-175

R 073

EVM-1X B54 50K resistor

022-3907-051

R 074

ERJ3GEYJ 104 V resistor

022-3906-175

R 075

ERJ3GEYJ 104 V resistor

022-3906-175

R 076

ERJ3GEYJ 223 V resistor

022-3906-167

R 077

ERJ3GEYJ 103V resistor

022-3906-163

R 078

ERJ3GEYJ 222 V resistor

022-3906-157

R 079

ERJ3GEYJ 272 V resistor

022-3906-158

R 080

ERJ3GEYJ 332 V resistor

022-3906-159

R 082

ERJ3GEYJ 104 V resistor

022-3906-175

R 083

ERJ3GEYJ 220V resistor

022-3906-685

R 085

ERJ3GEUJ 560V resistor

022-3906-142

R 086

ERJ3GEYJ 122 V resistor

022-3906-390

R 087

ERJ3GEYJ 474 V resistor

022-3906-181

R 091

12K ERJ3GE resistor

022-3906-164

R 092

ERJ3GEYJ 100V 10 OHM resistor

022-3906-138

R 093

15K ERJ3GE resistor

022-3906-165

R 094

ERJ3GEYJ 103V resistor

022-3906-163

R 095

ERJ3GEYJ 223 V resistor

022-3906-167

R 096

15K ERJ3GE resistor

022-3906-165

R 097

ERJ3GEYJ 102 V resistor

022-3906-154

R 098

ERJ3GEYJ 391 V resistor

022-3906-149

R 099

ERJ3GEYJ 471 V resistor

022-3906-150

R 101

ERJ3GEYJ 103V resistor

022-3906-163

R 102

ERJ3GEYJ 682 V resistor

022-3906-162

R 103

ERJ3GEYJ 272 V resistor

022-3906-158

 

 

 

 

November 1999

7-7

Part No. 001-7780-500

Image 91
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 800Internet Home Intrinsically Safe Information Replacement PartsDefinitions 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 SpecificationsTransceiver Operation FeaturesControls and Display Low-Battery Indicator Amber TX Indicator Red Indicates when the transmitter is keyedFront Panel Keys Full Keypad Model DisplayDisplay Backlight Turning Power on and Setting VolumeOption Switches General OperationFunction 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 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 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 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 EditingSetting UP Conventional Channels Scan TimersPriority 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 ScreenTrunking 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 Synthesizer Description Power Switching and RegulationPower Switching Circuit 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 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 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/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 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